US20150238801A1 - Exercise Weight Selection Device and Method - Google Patents
Exercise Weight Selection Device and Method Download PDFInfo
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- US20150238801A1 US20150238801A1 US14/633,052 US201514633052A US2015238801A1 US 20150238801 A1 US20150238801 A1 US 20150238801A1 US 201514633052 A US201514633052 A US 201514633052A US 2015238801 A1 US2015238801 A1 US 2015238801A1
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- pin
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
- A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
- A63B21/00072—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve by changing the length of a lever
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0058—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using motors
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/0615—User-manipulated weights pivoting about a fixed horizontal fulcrum
- A63B21/0616—User-manipulated weights pivoting about a fixed horizontal fulcrum with an adjustable moment
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0622—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with adjustable inclination angle of the guiding means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
- A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
- A63B21/063—Weight selecting means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/15—Arrangements for force transmissions
- A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
- A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/15—Arrangements for force transmissions
- A63B21/159—Using levers for transmitting forces
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4027—Specific exercise interfaces
- A63B21/4033—Handles, pedals, bars or platforms
- A63B21/4034—Handles, pedals, bars or platforms for operation by feet
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4027—Specific exercise interfaces
- A63B21/4033—Handles, pedals, bars or platforms
- A63B21/4035—Handles, pedals, bars or platforms for operation by hand
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/03508—For a single arm or leg
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/0355—A single apparatus used for either upper or lower limbs, i.e. with a set of support elements driven either by the upper or the lower limb or limbs
- A63B23/03558—Compound apparatus having multiple stations allowing an user to exercise different limbs
- A63B23/03566—Compound apparatus having multiple stations allowing an user to exercise different limbs the multiple stations having a common resistance device
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- A63B2021/0623—
Definitions
- the present device relates to exercise equipment employed for muscle strengthening. More particularly, the disclosed device and method, relate to a weight lifting device configured for easy resistance adjustment through the provision of an arched member having an easy user-adjustable connection thereto to an underlying weight. A plurality of apertures are positioned across the arched member for insertion of a pin which concurrently adjusts a position on the curved member which communicates variable lifting force from mechanical advantage to the underlying weight.
- a user when coupled with any external exercise interface such as a handle, a user may easily initially and re-select, and re-select a preferred weight resistance for a particular exercise, and repetitively employ the weight to provide resistance to their exercise with little noise or machine wear.
- Body building and physical fitness equipment employ a variety of forms all of which are adapted to provide resistance to user muscle exertion, exercise, and build muscle tissue during an exercise regime.
- weight “machines” have become popular as they can be configured to provide a plurality of positions and exercises at different stations or configurations of the machine. In each exercise, a cable running a serpentine route communicates resistance from weights to the component being pushed, pulled, or lifted by the user.
- weight selection module systems have been developed with such machines, all in an attempt to allow a user to variably select an aggregate weight using a group of weights which are operatively engaged to the distal end of the cable and are employed to provide resistance for each workout. Users conventionally choose a weight combination to yield the aggregate amount of weight resistance based on their individual strength, exercise routine, and workout tactics.
- Weight lifting machines are often composed of two mating and interchangeable components.
- a resistance module provides the exercise load to provide resistance to the user movement during exercise.
- a second component interface provides the operative engagement of one or a plurality of weights with the cable and enables the user to apply a determinable force to the station or machine to exercise a defined muscle or muscle group.
- a user typically selects their desired lifting load, by inserting a pin through a vertical rod, which communicates through one of multiple layers of metallic plates. A positioning of the pin in a particular point on the rod causes the engaged plate to support overhead plates when elevated and thereby determines the aggregate amount of weight engaged to the cable from the plurality of weight plates selected through placement of the pin.
- the weight plates each contain at least one or a plurality of bore holes positioned to guide the plates during translation on aligned rods communicating through the bore holes.
- One through-bore hole communicates vertically through a central portion of the thickness of the plates between the top surface to the bottom surface.
- this centrally located bore hole surrounds an inserted translating vertical rod.
- This rod along with any supported weight plates in operative engagement, translates along a vertical path when moved by a user gripped or engaged exercise.
- the weight of the engaged weight plates thus provide the resistance to movement of the interfacing component by the user, such as a barbell type component or the like.
- a pair of outer through-bore holes which lie symmetric about the centrally located hole in each weight plate, are slidably engaged about vertically inclined support bars which during use, constrain the weight plates from rotating.
- An engagement aperture conventionally communicates horizontally through the width of each weight plate, between the top and bottom surfaces, and intersects the middle through-bore.
- Rod apertures communicating into the translating vertical rod sequentially spaced to be aligned with a complimentary spacing of the engagement apertures running through each weight plate when positioned in a stack.
- a pin is user-engageable through any single engagement aperture to also engage a rod aperture in the vertical translating rod.
- the resistance weight may be adjusted by engaging the pin through the engagement aperture of a weight plate higher in the stack and vice versa.
- the system employs a selector pin which must be moved to different engagement apertures of differently positioned weight plates in the stack.
- the selector pin is easily lost if it is not tethered to the machine. Should the tether fail, the selector pin in a gym environment with many different users, tends to become lost, or moved to other weight stacks which also have lost selector pins. Additionally, the pin can become worn and hard to insert.
- Leverage weight machines allow the user to adjust the mechanical advantage to tune a static load, providing the user-chosen resistance without removable pins. This has proven much easier and safer for users by eliminating the use of an external pin altogether and reducing dangerous pinch points, and potential poor pin engagement which can cause raised stacks of weights to release.
- Leverage machines are based on the principal that increasing or decreasing the applied moment arm through which the user lifts a given constrained weight, increases or decreases the work required by the body of the user and thus increases or decreases the resistance to movement. Thus, the force necessary to perform the exercise by the user may be increased or decreased.
- U.S. Pat. No. 5,263,914 allows the user to adjust the mechanical advantage by employment of a system of pulleys and cables which lift a singular or static amount of weight.
- U.S. Pat. Nos. 7,537,552 and 8,323,158 employ a similar technique by replacing the weight-based load source with biasing sprung bands and resistive pneumatics respectively.
- Such a device should be simple to manufacture and build and maintain to thereby reduce costs and encourage widespread sales to encourage users to exercise.
- Such a system should be constructed with an arrangement of components which render it quiet, which would be especially helpful in a gym environment with multiple concurrent users of multiple exercise machines.
- the potential for injury should be reduced by eliminating or reducing the number of potential pinch points in the device and system.
- such a device should include a means for user choice of resistance which is easily viewed and which allows the user to easily and quickly calculate, and adjust the desired resistance load yielded for their particular exercise routine.
- a device should ideally allow for use in a small footprint of floor space.
- the device and system herein disclosed and described provides a solution to the shortcomings in prior art and achieves the above noted objects through the provision of an exercise resistive device and system which is engageable to exercise machines to yield smooth resistance to exercise movements through the employment of a weight load which eliminates jerking or jumping or noise upon landing. Further, as disclosed, the device is configured with significantly reduced appendage pinch and crush points lessening injury risks thus providing the user with a quiet and easily tunable workout apparatus.
- the device employs a housing frame minimizing pinch points configured to bear the load of and balance a weight or weights engaged thereto.
- the housing has sufficient height to ensure that the engaged weight can be displaced a sufficient distance during the exercise stroke of an engaged exercise machine being employed by a user.
- the housing is depicted in a rectangular or square shape although this may vary.
- the housing may include securement plates, which allow for engagement to a supporting surface for added stability. Engagement of the resistance device herein to any exercise machine employable by a user requiring a resistive force, is by a cable thereby allowing the device herein to be easily retrofitted to existing gym equipment and easily engaged to new equipment.
- a weight operatively engaged with the frame of the device is engaged about a pivot point or bearing which allows the weight to rotate about the pivot point supported by the housing frame.
- the axis of the body of the elongated weight running through first and second side surfaces is generally operatively engaged to the frame to pivot in a plane running normal to the plane of the floor or the support surface, along the long axis of the frame.
- the weight itself can be composed of any heavy, safe durable material or combination of materials suitable for the purposes set forth in this disclosure.
- Solid metal may be employed, or a weight formed of a metal, fiberglass, plastic, or polymeric exterior housing which defines an interior cavity which may filled with a material having the mass to yield the total weight thereto.
- Such could be anything from ball bearings, to dirt, to fluid such as water, or other filler for the internal cavity as would occur to those skilled in the art.
- the user may easily select a desired resistance communicated to the particular exercise component from the cable communicating between the exercise component and the weight of the device herein.
- Selection of a level of resistance is accomplished by manipulating the connection between a pin arm engaged at a first end to an arched member and in an engagement or operative communication at a second end to the weight.
- the pin arm contains an aforementioned bearing engaged with the weight itself at the second end, or a secondary member engaged with the weight.
- a user-engageable pin such as a selection pin is positioned at the first end.
- a positioning of the pin to engage with one of a plurality of apertures in an array thereof formed in an arched member is employed.
- the sequentially located apertures communicating into the arched member defining a selection arm, when engaged by the pin to the pin arm, will yield a communication of sequentially more or less resistance by the cable to the exercise station engaged, depending upon the individual aperture to which the user engages the pin.
- the arched member forming the resistance selection arm is engaged at a pivoting point, preferably with a bearing at an engagement end, to rotate about an upper support shaft which is operatively engaged with the housing frame.
- a flexible member such as the noted cable, or a band, or rope, or other flexible member extends along an operative path vertically from an engagement to the distal or opposite end of resistance selection arm, from its engagement to the frame.
- This flexible member or cable runs along a formed pathway operatively engaged with a plurality of pulleys positioned in the housing frame. The load from the weight being pivoted and thus elevated above the support surface, is thus communicated to the attached exercise equipment in operative communication with the other end of the cable.
- the user can adjust the device's mechanical advantage.
- the output resistance communicated through the cable to the exercise device may be adjusted by adjusting the engagement of the pin along the arched or curved member.
- the employment of the arched pathway of apertures, whether on a linear selection arm or a curved or arched selection arm, allows for both smoother operation and an increased number of adjustment points along the path of the arched member.
- the arched selection arm is preferable also to the increase in ability to form an angled engagement with the weight.
- the resistance selection arm preferably rests against a padded ledge on the interior face of the housing frame.
- the padding should be composed of a durable material, preferably silicone or hard rubber, but may be formed from one or more of the following materials: leather, wood, hard plastic.
- a ledge component which is made of a more durable and inelastic material, can connect to the housing frame through a spring designed to soften the load of a suddenly dropped weight. This support to the weight minimizes noise on landing.
- an alternate preferred mode can simplify the geometry by replacing the embedded bearing at a single point on the weight with two engaged shafts, which lie parallel to the bearing.
- An upper linkage arm and lower linkage arm which both include a pivot point at each end engaged with the weight, are employed to constrain the motion and path of movement of the weight relative to the frame of the device.
- the lower linkage arm rotates about both the weight's shaft and the lower frame support shaft.
- the upper linkage arm rotates about a third parallel shaft embedded within the weight and the upper frame support shaft, whereas the pin selection arm is still constrained to the weight as described above.
- the lower and upper linkage arms can lie on the same or opposing sides of the weight for a lower footprint or increased stability respectively.
- the device can be provided without permanently engaged weights in another preferred mode.
- the position of the weight is replaced by a vertical linkage arm, which mates to the upper and lower linkage arms through two bearing shafts.
- the vertical linkage arm Above the bearing shaft in the vertical linkage arm that couples with the upper linkage arm, the vertical linkage arm contains an engageable weight shaft adapted to engage with a conventional barbell weight plate in an operative engagement.
- the weight shaft should be no shorter or longer than necessary to hold the number of barbell plates whose total mass is equal to the device's maximum load capacity.
- the housing frame, linkage, pin and resistance selection arms can be composed of one or a combination of the following materials: steel, stainless steel, aluminum, hard plastic or any other materials suitable for the purposes set forth in this disclosure.
- a sliding secondary weight may be engaged to the device.
- the secondary weight is easily translated short distances to provide minute adjustments to the resistance provided by the device.
- a quieter engagement component may be provided in the form of a translating pin which is lever-operated. In this mode, rotation of a lever engages and disengages a coaxial pin into the apertures provided.
- “comprising” means including, but not limited to, whatever follows the word “comprising”. Thus, use of the term “comprising” indicates that the listed elements are required or mandatory, but that other elements are optional and may or may not be present.
- “consisting of” is meant including, and limited to, whatever follows the phrase “consisting of”. Thus, the phrase “consisting of” indicates that the listed elements are required or mandatory, and that no other elements may be present.
- “consisting essentially of” is meant including any elements listed after the phrase, and limited to other elements that do not interfere with or contribute to the activity or action specified in the disclosure for the listed elements. Thus, the phrase “consisting essentially of” indicates that the listed elements are required or mandatory, but that other elements are optional and may or may not be present depending upon whether or not they affect the activity or action of the listed elements.
- FIG. 1 depicts one preferred mode of the device herein shown employing a arched pathway for connection of a pin arm for variable resistance selection which is set to yield the lowest resistance to cable movement.
- FIG. 2 shows the device of FIG. 1 , wherein a pin is set to yield the most resistance to translation of cable movement due to lessened mechanical advantage.
- FIG. 3 displays the device in another preferred mode with the weight engaged to a pair of linkage arms on a first side of the weight.
- FIG. 4 displays view of a second side of the device of FIG. 3 with the linkage arms on the opposite side of the weight.
- FIG. 5 depicts another preferred mode where the device includes an arched pathway of resistance selection apertures and is configured for engagement of a weight.
- FIG. 6 shows an end view of the device of FIG. 5 depicting a user-engaged weight in dotted line.
- FIG. 7 is a back isometric view of the device of FIG. 5 showing the engagement post for a dumbbell style weight to be engaged on site.
- FIG. 8-10 depict a mode of the device which provides a secondary translating weight which employable for small adjustments to resistance.
- FIG. 11 shows the device having a translating pin which is lever activated for engagement or disengagement.
- FIG. 12 a mode of the device wherein the weight stack tracks upon one or a plurality of vertically disposed rails.
- FIG. 13 depicts the rear view of the device of FIG. 13 .
- FIG. 14 an automatically adjusting mode of the device employing a motor and gear providing means for adjustment of the imparted resistance by the weight stack.
- FIG. 15 shows a rear view of the device of FIG. 15 .
- FIG. 16 depicts a perspective view of the device as shown in FIGS. 14-15 .
- FIGS. 1-16 provide a solution to the shortcomings in prior art of weight stack and resistance exercise components and achieves the above noted goals through the provision of a device and system providing smooth weight resistance during use which eliminates jerking or jumping during use, and further reduces the risk in the present art of appendage pinch and crush risks thus providing the user with a quiet and easily tunable workout apparatus.
- a flexible member such as a cable 44 with any exercise component 12 such as handles or pedals or other user-engageable components for pulling or pushing, to operatively engage the device 10 to provide resistance communicated through the cable 44 to an exercise machine.
- the device 10 employs a support frame 16 shown as a housing 14 to operatively engage the components herein and by doing so, guard against pinch points during operation.
- the housing 14 is currently formed between 3 and 5 feet in height above the support surface, to ensure a sufficient pathway for proper weight 20 displacement and translation distance for the cable 44 , however such may change depending on the weight 20 employed and the exercise machine to which it engages.
- the housing 14 can be constructed of a welded, machined or fastened metal members or tubes to form the rectangular frame 16 .
- the frame 16 has a width of approximately three feet and a height of approximately six feet respectively. It can be formed in a very narrow overall footprint which is only limited by the width of the tubing and as can be seen in FIGS. 6 , 7 , and 10 , which is a distinct advantage over conventional large weight stack devices since the device herein is easily positioned adjacent a wall or in less floor space.
- Securement plates 18 may be provided, which allow the owner to bolt the module to the floor or support surface for added stability. However all of these dimensions are infinitely variable depending upon the size of the weight and room for placement.
- a weight 20 pivotally engaged with the device 10 is engaged by a member to an upper pivot point or weight bearing 22 , which allows the weight 20 to rotate about a linkage shaft 24 engaged to the housing frame 16 .
- the weight 20 in the mode of FIGS. 1-2 has a pin arm shaft 28 on which a first end of the pin arm 32 will rotate such as a pin arm bearing 30 positioned at a first end of the pin arm 32 . Such provides a rotational engagement of a first end of the pin arm 32 to the weight 20 .
- the weight 20 can be composed of any heavy, safe durable material or combination of materials having a mass and dimensions suitable for the purposes set forth in this disclosure.
- a user selects the desired resistance communicated to the cable 44 by the weight 20 , between a minimum and a maximum force, by manipulating the connection of the second end of the pin arm 32 to an arched pathway of engagement of the second end of the pin arm 32 to points along the selection arm 34 such as apertures 35 spaced along the pin arm 32 .
- the pin arm 32 might be configured in a linear or straight fashion with the arched pathway of apertures 35 positioned therein, such would render the pin arm 32 more bulky and as such the arched pathway of apertures 35 , is preferably formed along a line sequentially spaced along a curved or arched member defining the pin arm 32 as shown herein.
- This arched pathway for engagement such as the apertures 35 and the path followed during rotation of the second end of the pin arm 32 , along the same arched pathway defined by apertures 35 , allows for significantly increased force adjustment positions as well a much smoother operation and mechanical advantage of the device 10 herein and in all modes herein.
- the first end of the pin arm 32 will be in a pivoting engagement to the weight 20 or a member engaged thereto, in a position centered with the arched or curved pathway of engagement to the selection arm 34 such as apertures 35 , to allow for the second end of the pin arm 32 , to follow the arched pathway and connect to any point there along such as by using apertures 35 .
- the pin arm 32 as depicted has a pin arm bearing 30 at a first end in a pivoting engagement to the pin shaft 28 .
- the pin arm 32 is of a length to position an aperture through which a selection pin 36 at the second end is engaged, in operative alignment with each of the apertures 35 along the arched pathway of apertures 35 formed into, or engaged with the selection arm 34 .
- the device 10 herein employs the curved or arched pathway apertures 38 running sequentially the selection arm 34 for this purpose.
- a pivoting engagement 38 of a first end of the selection arm 34 on a bearing 40 provides a rotational engagement point, of the selection arm at the first end to or with the frame 16 .
- the mechanical advantage to elevate the weight 20 and thereby vary resistance communicated to pulling the cable 44 varies along the full length of the selection arm 34 and depending on the engagement point of the second end of the pin arm 32 , renders the weight 20 , easier or harder to elevate.
- the selection arm 34 as can be seen in FIG. 4 , is engaged at a first end pivot point preferably employing a bearing 40 which rotates about an upper support shaft 42 engaged with or supported by the frame 16 . It was found after numerous configurations with straight and linear members for the selection arm 34 , that a curved member to form the selection arm 34 significantly enhanced the performance of the device 10 . As noted, curving the member forming the selection arm is particularly preferred as it provides the most compact manner to form the curved pathway of apertures 35 which provide many more user selectable points of engagement, as well as providing a longer selection arm 34 for increased mechanical advantage in a smaller area than a linear or straight configuration provides.
- the cable 44 which can alternatively be replaced with a band, strap or cord, or other flexible member, extends vertically from the resistance selection arm 34 , through one or a plurality of cable pulleys 46 in the housing frame 14 , which transfers resistance from weight 20 elevation, along the cable 44 and to the attached exercise component 12 .
- the padding on the ledge 62 should be composed of a durable material, preferably hard rubber, but may be formed from one or more of the following materials: leather, wood, or hard plastic.
- the padded ledge 62 can also be made of a hard material such as stainless or non-stainless steel or aluminum if the padded ledge 48 is attached to the frame 14 with a spring.
- connection of the weight 20 to the selection arm 34 runs primarily in a line along the pivotally engaged first end of the pin arm 32 at a central point on the weight 20 .
- the second end of the pin arm 32 as noted is selectively engageable to any aperture 35 along the arched pathway of apertures 35 positioned on or engaged with the selection arm 34 .
- Such is especially desirable in that it provides a straight line force along the axis of the pin arm 32 between from the selection arm 34 and the weight 20 no matter where on arched pathway of apertures 35 engaged to the selection arm 34 the pin arm 32 is engaged.
- the upper weight bearing 22 is substituted with an upper linkage arm 48 and lower linkage arm 50 , which both contain a bearing at each end.
- This mode allows for elevation of the weight 20 as in all modes, but unlike the pivoted frame engagement of FIGS. 1-2 , the weight 20 follows a pathway during elevation in a center portion of the frame 16 .
- the lower linkage arm 50 rotates about both the pin arm bearing 30 of the weight 20 and the lower frame support shaft 52 .
- the upper linkage arm 48 rotates about the upper linkage bearing 54 , which is parallel to the upper support shaft 42 .
- the lower linkage arm 50 and upper linkage arm 48 can lie on the same or opposing sides of the weight 20 for a lower footprint or increased stability respectively.
- the device 10 may be constructed to reduce shipping weight and allow for a wider resistance range by configuration allowing use of conventionally available weights and without permanently engaged weights 20 .
- the weight 20 is replaced by a vertical linkage arm 56 , which mates to the upper and lower linkage arms 48 , 50 through two bearing shafts.
- the vertical linkage arm 56 contains a long weight shaft 58 .
- the weight shaft 58 is adapted for operative engagement with one or a plurality of conventional barbell weight plates 60 allowing the user increased adjustment since weight plates 60 are removably engageable.
- the weight shaft 58 should be no shorter or longer than necessary to hold the number of barbell plates whose total mass is equal to the device's maximum load capacity, and in a mode to engaged barbell weight plates 60 , preferably have a length and diameter of between 6 and 12 inches, and 2 inches respectively.
- FIGS. 8-10 Shown in FIGS. 8-10 is an optional mode of the device 10 , applicable to all modes herein.
- a secondary weight or translating weight 71 is slidably positionable along a path on the selection arm 34 , allowing for small adjustments to resistance.
- a thumb screw or pin and aperture may be used to secure the weight 71 at the desired position for small adjustments in resistance.
- FIG. 11 is shown an optional mode of the device 10 for engagement of the second end of the pin arm 32 to any one of the apertures 35 along the arched pathway thereof.
- a translating pin 73 which is lever 75 activated for engagement or disengagement with any of the apertures 35 .
- the pin 73 is coaxially engaged with mating threads in the lever 75 such that rotation of the lever 75 one direction will project the pin 73 and in the other direction will retract the pin 73 .
- FIGS. 12 and 13 Shown in FIGS. 12 and 13 is a mode of the device 10 wherein the weight 20 is engaged to the frame to track upon one or a plurality of vertically disposed rails 77 .
- the device 10 like other modes, employs the unique arched pathway for engagement of the pin arm 32 with a plurality connection points for the distal end of the pin arm 32 .
- FIGS. 14-16 depict an automatically adjusting mode of the device 10 employing a motor 81 and operationally engaged gear 83 providing means for adjustment of the engagement point of the second end of the pin arm 42 along an arched pathway of the selection arm 34 .
- the selection arm 34 In this mode the selection arm 34 must be formed as an arched member because the second end of the pin arm 32 is in a sliding engagement 85 with the selection arm 34 .
- the motor 81 spinning the gear 83 will translate the sliding engagement of the second end of the pin arm 32 to any point on the arched pathway formed by the arched member defining the selection arm 34 .
- This sliding engagement actuated by the motor 81 allows for automatic resistance adjustment when rotation of the motor 81 rotates the gear 83 which is threadably engaged to the sliding engagement 85 and which will translate along the arch of the selection arm 34 in either direction depending on the rotation direction of the motor 81 .
- This mode of the device 10 allows for a remote control and automatic resistance adjustment to an infinite number of resistance points along the arched pathway of connection of the pin arm 32 to the selection arm 34 . It can be adapted to be employed in any mode of the device 10 herein.
Abstract
A device for imparting a resistive force to a connected exercise component is provided. The device includes a frame pivotally supporting a selection arm which has a weight connected to the selection arm by a pin arm. The weight imparts a force resisting rotation of the selection arm by a flexible member engaged with the exercise component. Adjusting the engagement of one end of the pin arm to an arched engagement path along the selection arm adjusts mechanical advantage and the resistive force.
Description
- This application claims the benefit of U.S. provisional application No. 61/945,008 filed on Feb. 26, 2014, and is incorporated herein in its entirety by this reference. The present device relates to exercise equipment employed for muscle strengthening. More particularly, the disclosed device and method, relate to a weight lifting device configured for easy resistance adjustment through the provision of an arched member having an easy user-adjustable connection thereto to an underlying weight. A plurality of apertures are positioned across the arched member for insertion of a pin which concurrently adjusts a position on the curved member which communicates variable lifting force from mechanical advantage to the underlying weight. Operatively employing the device herein, when coupled with any external exercise interface such as a handle, a user may easily initially and re-select, and re-select a preferred weight resistance for a particular exercise, and repetitively employ the weight to provide resistance to their exercise with little noise or machine wear.
- Body building and physical fitness equipment employ a variety of forms all of which are adapted to provide resistance to user muscle exertion, exercise, and build muscle tissue during an exercise regime. In recent years, weight “machines” have become popular as they can be configured to provide a plurality of positions and exercises at different stations or configurations of the machine. In each exercise, a cable running a serpentine route communicates resistance from weights to the component being pushed, pulled, or lifted by the user. A plethora of weight selection module systems have been developed with such machines, all in an attempt to allow a user to variably select an aggregate weight using a group of weights which are operatively engaged to the distal end of the cable and are employed to provide resistance for each workout. Users conventionally choose a weight combination to yield the aggregate amount of weight resistance based on their individual strength, exercise routine, and workout tactics.
- Weight lifting machines are often composed of two mating and interchangeable components. First, a resistance module provides the exercise load to provide resistance to the user movement during exercise. A second component interface provides the operative engagement of one or a plurality of weights with the cable and enables the user to apply a determinable force to the station or machine to exercise a defined muscle or muscle group.
- Employing the conventional weight stack resistance module, as seen in U.S. Pat. No. 7,871,357, a user typically selects their desired lifting load, by inserting a pin through a vertical rod, which communicates through one of multiple layers of metallic plates. A positioning of the pin in a particular point on the rod causes the engaged plate to support overhead plates when elevated and thereby determines the aggregate amount of weight engaged to the cable from the plurality of weight plates selected through placement of the pin.
- Generally, the weight plates each contain at least one or a plurality of bore holes positioned to guide the plates during translation on aligned rods communicating through the bore holes. One through-bore hole communicates vertically through a central portion of the thickness of the plates between the top surface to the bottom surface. In use, this centrally located bore hole surrounds an inserted translating vertical rod. This rod, along with any supported weight plates in operative engagement, translates along a vertical path when moved by a user gripped or engaged exercise. The weight of the engaged weight plates thus provide the resistance to movement of the interfacing component by the user, such as a barbell type component or the like.
- Conventionally, a pair of outer through-bore holes, which lie symmetric about the centrally located hole in each weight plate, are slidably engaged about vertically inclined support bars which during use, constrain the weight plates from rotating. An engagement aperture conventionally communicates horizontally through the width of each weight plate, between the top and bottom surfaces, and intersects the middle through-bore.
- Rod apertures communicating into the translating vertical rod, sequentially spaced to be aligned with a complimentary spacing of the engagement apertures running through each weight plate when positioned in a stack. To choose a resistive load for use with any particular exercise component using the weight stack for resistance, a pin is user-engageable through any single engagement aperture to also engage a rod aperture in the vertical translating rod. Thus the user by engaging the bottom weight in the stack to the rod, will have a resistance weight of all the weights in the stack when the vertical rod translates. The resistance weight may be adjusted by engaging the pin through the engagement aperture of a weight plate higher in the stack and vice versa. However, this system has a number of shortcomings. First, as noted, the system employs a selector pin which must be moved to different engagement apertures of differently positioned weight plates in the stack. As with any loose engagement device, the selector pin is easily lost if it is not tethered to the machine. Should the tether fail, the selector pin in a gym environment with many different users, tends to become lost, or moved to other weight stacks which also have lost selector pins. Additionally, the pin can become worn and hard to insert.
- Further, in a commercial gym environment misuse of the weight system through improper selector pin insertion or mis-engagement can bend the selector pin. In either case a damaged or lost selector pin can cripple the entire machine engaged to a particular weight stack.
- Other problems can occur over time, even where the selector pin remains proximate to a weight stack and used property. Because the translating rod engaging the weight stack is frequently engaged to a cable which tends to elongate over repeated use to lift the load of weights engaged to the rod, misalignment frequently occurs between the engagement apertures in the weight plates, and the translating vertical rod. Such can make it difficult if not impossible to properly position he selector pin through a chosen weight plate and aperture in the translating rod. This can disable the exercise machine engaged to the weight stack, or at least make it irksome and more time consuming to use.
- Other issues exist with conventional weight stack engaged exercise machines which while not mechanically impairing the operation of the machine, can be annoying and even injurious to the user. During translation of the weight stack during use from a stack-supported position and back, the metal weight plates contact each other and cause significant noise, and over time significant wear. Additionally, a significant risk of injury is always present during use of weight stack resistance exercise machines. This is because a pinch point exists between the lowest weight in the plurality lifted by rod translation, and the weight plate upon which the translating stack lands. The pinch point can cause severe injury to the user of the exercise machine, or more often, to a third party who places a digit between the non moving weight and the weight stack being lowered by translation of the rod downward.
- Several advancements have been made to reduce the inadequacies of the pin and weight stack system, such as the leverage-weight machines. Leverage weight machines allow the user to adjust the mechanical advantage to tune a static load, providing the user-chosen resistance without removable pins. This has proven much easier and safer for users by eliminating the use of an external pin altogether and reducing dangerous pinch points, and potential poor pin engagement which can cause raised stacks of weights to release.
- Leverage machines are based on the principal that increasing or decreasing the applied moment arm through which the user lifts a given constrained weight, increases or decreases the work required by the body of the user and thus increases or decreases the resistance to movement. Thus, the force necessary to perform the exercise by the user may be increased or decreased.
- In an example of a leverage weight machine, U.S. Pat. No. 5,263,914 allows the user to adjust the mechanical advantage by employment of a system of pulleys and cables which lift a singular or static amount of weight. U.S. Pat. Nos. 7,537,552 and 8,323,158 employ a similar technique by replacing the weight-based load source with biasing sprung bands and resistive pneumatics respectively.
- While these current leverage style weight machines reduce the need for a variable weight stack and engaging pin, such leverage systems employ a complicated pulley arrangement and serpentine cabling system, along with a multitude of moving parts inherent to such complicated designs. The employment of numerous cables, rotating pulleys, and other moving parts frequently renders such machines noisy, costly, difficult to maintain. Further, the presence of numerous cables running over numerous pulleys increases injury potential through the formation of numerous potential pinch points of the cables and pulleys. Unlike weight stack pinch points, users unfamiliar with cable and pulley operation are frequently unaware of the potential for injury.
- As such, there is an unmet need for a resistive weight apparatus which alleviates the shortcomings of prior art weight resistive devices. Such a device should be simple to manufacture and build and maintain to thereby reduce costs and encourage widespread sales to encourage users to exercise. Such a system should be constructed with an arrangement of components which render it quiet, which would be especially helpful in a gym environment with multiple concurrent users of multiple exercise machines. Ideally the potential for injury should be reduced by eliminating or reducing the number of potential pinch points in the device and system. Further, unlike the current pin and weight stack systems, which locate the weight stack a distance from the engaged exercise device and generally near the floor, such a device should include a means for user choice of resistance which is easily viewed and which allows the user to easily and quickly calculate, and adjust the desired resistance load yielded for their particular exercise routine. Further, unlike conventional cable and pulley systems and weight stacks which require a considerable amount of floor space due to their configuration, such a device should ideally allow for use in a small footprint of floor space.
- The forgoing examples of related art and limitation related therewith are intended to be illustrative and not exclusive, and they do not imply any limitations on the invention described and claimed herein. Various limitations of the related art will become apparent to those skilled in the art upon a reading and understanding of the specification below and the accompanying drawings.
- The device and system herein disclosed and described provides a solution to the shortcomings in prior art and achieves the above noted objects through the provision of an exercise resistive device and system which is engageable to exercise machines to yield smooth resistance to exercise movements through the employment of a weight load which eliminates jerking or jumping or noise upon landing. Further, as disclosed, the device is configured with significantly reduced appendage pinch and crush points lessening injury risks thus providing the user with a quiet and easily tunable workout apparatus.
- In accordance with one preferred mode of the device, the device employs a housing frame minimizing pinch points configured to bear the load of and balance a weight or weights engaged thereto. The housing has sufficient height to ensure that the engaged weight can be displaced a sufficient distance during the exercise stroke of an engaged exercise machine being employed by a user. The housing is depicted in a rectangular or square shape although this may vary. The housing may include securement plates, which allow for engagement to a supporting surface for added stability. Engagement of the resistance device herein to any exercise machine employable by a user requiring a resistive force, is by a cable thereby allowing the device herein to be easily retrofitted to existing gym equipment and easily engaged to new equipment.
- A weight operatively engaged with the frame of the device is engaged about a pivot point or bearing which allows the weight to rotate about the pivot point supported by the housing frame. The axis of the body of the elongated weight running through first and second side surfaces, is generally operatively engaged to the frame to pivot in a plane running normal to the plane of the floor or the support surface, along the long axis of the frame.
- At the pivot point for the weight, a bearing or aperture is engaged with a bearing in a pin arm. The weight itself can be composed of any heavy, safe durable material or combination of materials suitable for the purposes set forth in this disclosure. Solid metal may be employed, or a weight formed of a metal, fiberglass, plastic, or polymeric exterior housing which defines an interior cavity which may filled with a material having the mass to yield the total weight thereto. Such could be anything from ball bearings, to dirt, to fluid such as water, or other filler for the internal cavity as would occur to those skilled in the art.
- With the device engaged by the flexible member or cable to an exercise component, the user may easily select a desired resistance communicated to the particular exercise component from the cable communicating between the exercise component and the weight of the device herein. Selection of a level of resistance is accomplished by manipulating the connection between a pin arm engaged at a first end to an arched member and in an engagement or operative communication at a second end to the weight. The pin arm contains an aforementioned bearing engaged with the weight itself at the second end, or a secondary member engaged with the weight. A user-engageable pin such as a selection pin is positioned at the first end.
- To select a desired resistance level communicated by the cable to the exercise component, a positioning of the pin to engage with one of a plurality of apertures in an array thereof formed in an arched member is employed. The sequentially located apertures communicating into the arched member defining a selection arm, when engaged by the pin to the pin arm, will yield a communication of sequentially more or less resistance by the cable to the exercise station engaged, depending upon the individual aperture to which the user engages the pin.
- The arched member forming the resistance selection arm is engaged at a pivoting point, preferably with a bearing at an engagement end, to rotate about an upper support shaft which is operatively engaged with the housing frame. A flexible member such as the noted cable, or a band, or rope, or other flexible member extends along an operative path vertically from an engagement to the distal or opposite end of resistance selection arm, from its engagement to the frame. This flexible member or cable runs along a formed pathway operatively engaged with a plurality of pulleys positioned in the housing frame. The load from the weight being pivoted and thus elevated above the support surface, is thus communicated to the attached exercise equipment in operative communication with the other end of the cable.
- By repositioning the pin hole or aperture other coupling of the pivoting pin arm, which is centered with the arched pathway of apertures in the selection arm, with differing points upon the arched path on the selection arm, the user can adjust the device's mechanical advantage. Thus, the output resistance communicated through the cable to the exercise device may be adjusted by adjusting the engagement of the pin along the arched or curved member. The employment of the arched pathway of apertures, whether on a linear selection arm or a curved or arched selection arm, allows for both smoother operation and an increased number of adjustment points along the path of the arched member. The arched selection arm is preferable also to the increase in ability to form an angled engagement with the weight.
- At rest and in the neutral position, the resistance selection arm preferably rests against a padded ledge on the interior face of the housing frame. The padding should be composed of a durable material, preferably silicone or hard rubber, but may be formed from one or more of the following materials: leather, wood, hard plastic. In an alternatively preferred mode, a ledge component, which is made of a more durable and inelastic material, can connect to the housing frame through a spring designed to soften the load of a suddenly dropped weight. This support to the weight minimizes noise on landing.
- As resistance weights are often cast in molds and thus inherently less precise in their exterior geometry, an alternate preferred mode can simplify the geometry by replacing the embedded bearing at a single point on the weight with two engaged shafts, which lie parallel to the bearing. An upper linkage arm and lower linkage arm, which both include a pivot point at each end engaged with the weight, are employed to constrain the motion and path of movement of the weight relative to the frame of the device. The lower linkage arm rotates about both the weight's shaft and the lower frame support shaft. The upper linkage arm rotates about a third parallel shaft embedded within the weight and the upper frame support shaft, whereas the pin selection arm is still constrained to the weight as described above.
- As variations of the second preferred mode, the lower and upper linkage arms can lie on the same or opposing sides of the weight for a lower footprint or increased stability respectively.
- To reduce shipping weight and allow for a wider available resistance range for the user, the device can be provided without permanently engaged weights in another preferred mode. In this configuration, the position of the weight is replaced by a vertical linkage arm, which mates to the upper and lower linkage arms through two bearing shafts. Above the bearing shaft in the vertical linkage arm that couples with the upper linkage arm, the vertical linkage arm contains an engageable weight shaft adapted to engage with a conventional barbell weight plate in an operative engagement. The weight shaft should be no shorter or longer than necessary to hold the number of barbell plates whose total mass is equal to the device's maximum load capacity.
- The housing frame, linkage, pin and resistance selection arms can be composed of one or a combination of the following materials: steel, stainless steel, aluminum, hard plastic or any other materials suitable for the purposes set forth in this disclosure.
- In another preferred option, where very precise resistance adjustments are desired, which require very precise weight and mechanical advantage adjustments, a sliding secondary weight may be engaged to the device. The secondary weight is easily translated short distances to provide minute adjustments to the resistance provided by the device. Further, in place of the spring loaded pin, a quieter engagement component may be provided in the form of a translating pin which is lever-operated. In this mode, rotation of a lever engages and disengages a coaxial pin into the apertures provided.
- With respect to the above description, before explaining at least one preferred embodiment of the herein disclosed invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangement of the components in the following description or illustrated in the drawings. The invention herein described is capable of other embodiments and of being practiced and carried out in various ways which will be obvious to those skilled in the art. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.
- As such, those skilled in the art will appreciate that the conception upon which this disclosure is based may readily be utilized as a basis for designing of other structures, methods and systems for carrying out the several purposes of the present disclosed device. It is important, therefore, that the claims be regarded as including such equivalent construction and methodology insofar as they do not depart from the spirit and scope of the present invention.
- As used in the claims to describe the various inventive aspects and embodiments, “comprising” means including, but not limited to, whatever follows the word “comprising”. Thus, use of the term “comprising” indicates that the listed elements are required or mandatory, but that other elements are optional and may or may not be present. By “consisting of” is meant including, and limited to, whatever follows the phrase “consisting of”. Thus, the phrase “consisting of” indicates that the listed elements are required or mandatory, and that no other elements may be present. By “consisting essentially of” is meant including any elements listed after the phrase, and limited to other elements that do not interfere with or contribute to the activity or action specified in the disclosure for the listed elements. Thus, the phrase “consisting essentially of” indicates that the listed elements are required or mandatory, but that other elements are optional and may or may not be present depending upon whether or not they affect the activity or action of the listed elements.
- It is an object of the present invention to provide an exercise device yielding uniform and adjustable resistance for weight lifting exercises.
- It is an additional object of this invention to create a quiet, inexpensive, and easily maintainable source of weight-based resistance which is safe and intuitive to employ.
- It is yet another object of the invention herein, to provide an arched pathway of apertures engageable with a weight-engaged pivoting arm, to provide increased selectively as to the number of weight selections possible.
- It is another object of the present invention to provide a weight lifting apparatus which employs only rotary joints to translate the mass providing resistance and which allows the user to modify the applied moment arm through which the user applies load to a single weight, whose motion is constrained by a four bar linkage.
- It is a further object of this invention to provide a weight-based resistance exercise component which minimizes the injury hazards from pinch points and minimizes noise.
- It is a further object of the invention, through the employment of an arched lifting component engaged to a pivoting weight or mass, to increase adjustment points for resistance while providing smooth even resistance from aligned force vectors on the weight.
- These and other objects, features, and advantages of the present invention, as well as the advantages thereof over existing prior art, which will become apparent from the description to follow, are accomplished by the improvements described in this specification and hereinafter described in the following detailed description which fully discloses the invention, but should not be considered as placing limitations thereon.
- The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate some, but not the only or exclusive examples of embodiments and/or features of the disclosed device. It is intended that the embodiments and figures disclosed herein are to be considered illustrative of the invention herein, rather than limiting in any fashion.
- In the drawings:
-
FIG. 1 depicts one preferred mode of the device herein shown employing a arched pathway for connection of a pin arm for variable resistance selection which is set to yield the lowest resistance to cable movement. -
FIG. 2 shows the device ofFIG. 1 , wherein a pin is set to yield the most resistance to translation of cable movement due to lessened mechanical advantage. -
FIG. 3 displays the device in another preferred mode with the weight engaged to a pair of linkage arms on a first side of the weight. -
FIG. 4 displays view of a second side of the device ofFIG. 3 with the linkage arms on the opposite side of the weight. -
FIG. 5 depicts another preferred mode where the device includes an arched pathway of resistance selection apertures and is configured for engagement of a weight. -
FIG. 6 shows an end view of the device ofFIG. 5 depicting a user-engaged weight in dotted line. -
FIG. 7 is a back isometric view of the device ofFIG. 5 showing the engagement post for a dumbbell style weight to be engaged on site. -
FIG. 8-10 depict a mode of the device which provides a secondary translating weight which employable for small adjustments to resistance. -
FIG. 11 shows the device having a translating pin which is lever activated for engagement or disengagement. -
FIG. 12 a mode of the device wherein the weight stack tracks upon one or a plurality of vertically disposed rails. -
FIG. 13 depicts the rear view of the device ofFIG. 13 . -
FIG. 14 an automatically adjusting mode of the device employing a motor and gear providing means for adjustment of the imparted resistance by the weight stack. -
FIG. 15 shows a rear view of the device ofFIG. 15 . -
FIG. 16 depicts a perspective view of the device as shown inFIGS. 14-15 . - The device and system herein disclosed and described in
FIGS. 1-16 provide a solution to the shortcomings in prior art of weight stack and resistance exercise components and achieves the above noted goals through the provision of a device and system providing smooth weight resistance during use which eliminates jerking or jumping during use, and further reduces the risk in the present art of appendage pinch and crush risks thus providing the user with a quiet and easily tunable workout apparatus. - In accordance with one preferred mode of the
device 10, perFIG. 1 , there is operatively engaged a flexible member such as acable 44 with anyexercise component 12 such as handles or pedals or other user-engageable components for pulling or pushing, to operatively engage thedevice 10 to provide resistance communicated through thecable 44 to an exercise machine. Thedevice 10 employs asupport frame 16 shown as ahousing 14 to operatively engage the components herein and by doing so, guard against pinch points during operation. - The
housing 14 is currently formed between 3 and 5 feet in height above the support surface, to ensure a sufficient pathway forproper weight 20 displacement and translation distance for thecable 44, however such may change depending on theweight 20 employed and the exercise machine to which it engages. - The
housing 14 can be constructed of a welded, machined or fastened metal members or tubes to form therectangular frame 16. Currently theframe 16 has a width of approximately three feet and a height of approximately six feet respectively. It can be formed in a very narrow overall footprint which is only limited by the width of the tubing and as can be seen inFIGS. 6 , 7, and 10, which is a distinct advantage over conventional large weight stack devices since the device herein is easily positioned adjacent a wall or in less floor space. -
Securement plates 18 may be provided, which allow the owner to bolt the module to the floor or support surface for added stability. However all of these dimensions are infinitely variable depending upon the size of the weight and room for placement. - A
weight 20 pivotally engaged with thedevice 10 is engaged by a member to an upper pivot point or weight bearing 22, which allows theweight 20 to rotate about alinkage shaft 24 engaged to thehousing frame 16. Theweight 20 in the mode ofFIGS. 1-2 , has apin arm shaft 28 on which a first end of thepin arm 32 will rotate such as a pin arm bearing 30 positioned at a first end of thepin arm 32. Such provides a rotational engagement of a first end of thepin arm 32 to theweight 20. Theweight 20 can be composed of any heavy, safe durable material or combination of materials having a mass and dimensions suitable for the purposes set forth in this disclosure. - In operation as shown in
FIGS. 1 and 2 , a user selects the desired resistance communicated to thecable 44 by theweight 20, between a minimum and a maximum force, by manipulating the connection of the second end of thepin arm 32 to an arched pathway of engagement of the second end of thepin arm 32 to points along theselection arm 34 such asapertures 35 spaced along thepin arm 32. While thepin arm 32 might be configured in a linear or straight fashion with the arched pathway ofapertures 35 positioned therein, such would render thepin arm 32 more bulky and as such the arched pathway ofapertures 35, is preferably formed along a line sequentially spaced along a curved or arched member defining thepin arm 32 as shown herein. - It is this arched pathway for connection of the
pin arm 32 to theselection arm 34 such asapertures 35 which is positioned opposite the point of pivoting engagement of thepin arm 32 to theweight 20, or to a member engaged with theweight 20. This arched pathway for engagement such as theapertures 35 and the path followed during rotation of the second end of thepin arm 32, along the same arched pathway defined byapertures 35, allows for significantly increased force adjustment positions as well a much smoother operation and mechanical advantage of thedevice 10 herein and in all modes herein. The first end of thepin arm 32 will be in a pivoting engagement to theweight 20 or a member engaged thereto, in a position centered with the arched or curved pathway of engagement to theselection arm 34 such asapertures 35, to allow for the second end of thepin arm 32, to follow the arched pathway and connect to any point there along such as by usingapertures 35. - The
pin arm 32 as depicted has a pin arm bearing 30 at a first end in a pivoting engagement to thepin shaft 28. Thepin arm 32 is of a length to position an aperture through which aselection pin 36 at the second end is engaged, in operative alignment with each of theapertures 35 along the arched pathway ofapertures 35 formed into, or engaged with theselection arm 34. - Unlike the weight stack resistance provided by conventional machines, where the resistance is varied by engagement or disengagement of individual weights from a stack, the
device 10 herein employs the curved orarched pathway apertures 38 running sequentially theselection arm 34 for this purpose. A pivotingengagement 38 of a first end of theselection arm 34 on abearing 40, provides a rotational engagement point, of the selection arm at the first end to or with theframe 16. - The mechanical advantage to elevate the
weight 20 and thereby vary resistance communicated to pulling thecable 44, varies along the full length of theselection arm 34 and depending on the engagement point of the second end of thepin arm 32, renders theweight 20, easier or harder to elevate. - Thus, lower resistance to movement of the
weight 20 is communicated to thecable 44 and engagedexercise component 12 with thepin arm 32 engaged as shown inFIG. 1 when the second end of thepin arm 32 is engaged to anaperture 35 closest to thebearing 40 and further from the engagement to thecable 44. Engagement of thepin arm 32 to an aperture along the arched pathway ofapertures 35 furthest from theresistance arm bearing 40, if selected as inFIG. 2 , communicates the resistance from elevating theweight 20, directly to the engagedcable 44 in a substantially straight line, and has little or no mechanical advantage. This creates a higher resistance to translation of thecable 44 which is communicated to an engagedexercise component 12 by the user. - The
selection arm 34 as can be seen inFIG. 4 , is engaged at a first end pivot point preferably employing abearing 40 which rotates about anupper support shaft 42 engaged with or supported by theframe 16. It was found after numerous configurations with straight and linear members for theselection arm 34, that a curved member to form theselection arm 34 significantly enhanced the performance of thedevice 10. As noted, curving the member forming the selection arm is particularly preferred as it provides the most compact manner to form the curved pathway ofapertures 35 which provide many more user selectable points of engagement, as well as providing alonger selection arm 34 for increased mechanical advantage in a smaller area than a linear or straight configuration provides. - The
cable 44, which can alternatively be replaced with a band, strap or cord, or other flexible member, extends vertically from theresistance selection arm 34, through one or a plurality of cable pulleys 46 in thehousing frame 14, which transfers resistance fromweight 20 elevation, along thecable 44 and to the attachedexercise component 12. - At rest and in the neutral position, the second or distal end of the
pin arm 32 rests against a paddedledge 62 on the interior face of thehousing frame 14 as shown inFIG. 1 . The padding on theledge 62 should be composed of a durable material, preferably hard rubber, but may be formed from one or more of the following materials: leather, wood, or hard plastic. The paddedledge 62 can also be made of a hard material such as stainless or non-stainless steel or aluminum if the paddedledge 48 is attached to theframe 14 with a spring. - In all modes of the
device 10 shown, connection of theweight 20 to theselection arm 34 runs primarily in a line along the pivotally engaged first end of thepin arm 32 at a central point on theweight 20. The second end of thepin arm 32 as noted is selectively engageable to anyaperture 35 along the arched pathway ofapertures 35 positioned on or engaged with theselection arm 34. Such is especially desirable in that it provides a straight line force along the axis of thepin arm 32 between from theselection arm 34 and theweight 20 no matter where on arched pathway ofapertures 35 engaged to theselection arm 34 thepin arm 32 is engaged. - In
FIG. 3 , the upper weight bearing 22 is substituted with anupper linkage arm 48 andlower linkage arm 50, which both contain a bearing at each end. This mode allows for elevation of theweight 20 as in all modes, but unlike the pivoted frame engagement ofFIGS. 1-2 , theweight 20 follows a pathway during elevation in a center portion of theframe 16. Thelower linkage arm 50 rotates about both the pin arm bearing 30 of theweight 20 and the lowerframe support shaft 52. PerFIG. 4 , theupper linkage arm 48 rotates about the upper linkage bearing 54, which is parallel to theupper support shaft 42. - As variations in this preferred mode, the
lower linkage arm 50 andupper linkage arm 48 can lie on the same or opposing sides of theweight 20 for a lower footprint or increased stability respectively. - In yet another preferred mode of the
device 10 herein, perFIGS. 5-7 thedevice 10 may be constructed to reduce shipping weight and allow for a wider resistance range by configuration allowing use of conventionally available weights and without permanently engagedweights 20. In this configuration, theweight 20 is replaced by avertical linkage arm 56, which mates to the upper andlower linkage arms upper linkage arm 48, thevertical linkage arm 56 contains along weight shaft 58. Theweight shaft 58 is adapted for operative engagement with one or a plurality of conventionalbarbell weight plates 60 allowing the user increased adjustment sinceweight plates 60 are removably engageable. Theweight shaft 58 should be no shorter or longer than necessary to hold the number of barbell plates whose total mass is equal to the device's maximum load capacity, and in a mode to engagedbarbell weight plates 60, preferably have a length and diameter of between 6 and 12 inches, and 2 inches respectively. - Shown in
FIGS. 8-10 is an optional mode of thedevice 10, applicable to all modes herein. As depicted a secondary weight or translatingweight 71 is slidably positionable along a path on theselection arm 34, allowing for small adjustments to resistance. A thumb screw or pin and aperture may be used to secure theweight 71 at the desired position for small adjustments in resistance. - In
FIG. 11 is shown an optional mode of thedevice 10 for engagement of the second end of thepin arm 32 to any one of theapertures 35 along the arched pathway thereof. As shown a translatingpin 73 which islever 75 activated for engagement or disengagement with any of theapertures 35. Thepin 73 is coaxially engaged with mating threads in thelever 75 such that rotation of thelever 75 one direction will project thepin 73 and in the other direction will retract thepin 73. - Shown in
FIGS. 12 and 13 is a mode of thedevice 10 wherein theweight 20 is engaged to the frame to track upon one or a plurality of vertically disposed rails 77. Operationally, thedevice 10 like other modes, employs the unique arched pathway for engagement of thepin arm 32 with a plurality connection points for the distal end of thepin arm 32. -
FIGS. 14-16 depict an automatically adjusting mode of thedevice 10 employing amotor 81 and operationally engagedgear 83 providing means for adjustment of the engagement point of the second end of thepin arm 42 along an arched pathway of theselection arm 34. In this mode theselection arm 34 must be formed as an arched member because the second end of thepin arm 32 is in a slidingengagement 85 with theselection arm 34. Themotor 81 spinning thegear 83 will translate the sliding engagement of the second end of thepin arm 32 to any point on the arched pathway formed by the arched member defining theselection arm 34. This sliding engagement actuated by themotor 81 allows for automatic resistance adjustment when rotation of themotor 81 rotates thegear 83 which is threadably engaged to the slidingengagement 85 and which will translate along the arch of theselection arm 34 in either direction depending on the rotation direction of themotor 81. This mode of thedevice 10 allows for a remote control and automatic resistance adjustment to an infinite number of resistance points along the arched pathway of connection of thepin arm 32 to theselection arm 34. It can be adapted to be employed in any mode of thedevice 10 herein. - As noted, any of the different configurations and components can be employed with any other configuration or component shown and described herein. Additionally, while the present invention has been described herein with reference to particular embodiments thereof and steps in the method of production, a latitude of modifications, various changes and substitutions are intended in the foregoing disclosures, it will be appreciated that in some instance some features, or configurations, or steps in formation of the invention could be employed without a corresponding use of other features without departing from the scope of the invention as set forth in the following claims. All such changes, alternations and modifications as would occur to those skilled in the art are considered to be within the scope of this invention as broadly defined in the appended claims.
- Further, the purpose of any abstract of this specification is to enable the U.S. Patent and Trademark Office, the public generally, and especially the scientists, engineers, and practitioners in the art who are not familiar with patent or legal terms or phraseology, to determine quickly from a cursory inspection the nature and essence of the technical disclosure of the application. Any such abstract is neither intended to define the invention of the application, which is measured by the claims, nor is it intended to be limiting, as to the scope of the invention in any way.
Claims (15)
1. An apparatus for provision of resistive force to a connected exercise component, comprising:
a frame, said frame having a lower end for positioning on a support surface;
a selection arm pivotally supported at or adjacent a first end by said frame;
a connection at or adjacent a second end of said selection arm, said connection adapted for engagement to one end of flexible member which communicates at an opposite end, with an exercise device;
a pin arm, said pin arm having a first end pivotally engaged to a support, said support engageable with a weight, said pin arm having a second end opposite said first end;
said pin arm having a second end;
an elongated curved connection pathway connected with said selection arm, said connection pathway having a first end closest to said first end of said selection arm and extending to a second end of said connection pathway closest to said second end of said selection arm;
said second end of said pin arm removably engageable to a plurality of positions along said connection pathway between said first end and second end thereof;
said weight communicating a resistive force to a rotation of said selection arm in a direction away from said support surface by a translation of said flexible member;
a positioning of said second end of said pin arm to a connection to said connection pathway at a position closer to said first end of said connection pathway, thereby decreasing said resistive force; and
a said positioning of said second end of said pin arm to a said connection to said connection pathway at a position closer to said second end of said connection pathway, thereby increasing said resistive force, whereby a user of said exercise component connected by said flexible member to said selection arm, can vary said resistive force communicated to said exercise component by varying said connection of said second end of said pin arm to different respective positions along said connection pathway.
2. The apparatus for provision of resistive force to a connected exercise component of claim 1 wherein said pin arm is pivotally engaged to said support which is connected to a central area of said weight.
3. The apparatus for provision of resistive force to a connected exercise component of claim 1 wherein said pin arm is pivotally engaged to a connecting member and said connecting member is adapted for engagement with one or a plurality of barbell weights through engagement with centrally located apertures therein.
4. The apparatus for provision of resistive force to a connected exercise component of claim 1 additionally comprising:
said elongated curved connection pathway defined by a plurality of apertures communicating into a support surface, said apertures sequentially positioned in a line following an arch;
said support surface engaged with said selection arm; and
said second end of said pin arm removably engageable to any of said plurality of apertures by a pin connecting said second end of said pin arm, with one of said respective apertures.
5. The apparatus for provision of resistive force to a connected exercise component of claim 2 additionally comprising:
said elongated curved connection pathway defined by a plurality of apertures communicating into a support surface, said apertures sequentially positioned in a line following an arch;
said support surface engaged with said selection arm; and
said second end of said pin arm removably engageable to any of said plurality of apertures by a pin connecting said second end of said pin arm, with one of said respective apertures.
6. The apparatus for provision of resistive force to a connected exercise component of claim 3 additionally comprising:
said elongated curved connection pathway defined by a plurality of apertures communicating into a support surface, said apertures sequentially positioned in a line following an arch;
said support surface engaged with said selection arm; and
said second end of said pin arm removably engageable to any of said plurality of apertures by a pin connecting said second end of said pin arm, with one of said respective apertures.
7. The apparatus for provision of resistive force to a connected exercise component of claim 1 additionally comprising:
said selection arm formed by a curved member, said curved member following an arch defining said elongated curved connection pathway.
8. The apparatus for provision of resistive force to a connected exercise component of claim 2 additionally comprising:
said selection arm formed by a curved member, said curved member following an arch defining said elongated curved connection pathway.
9. The apparatus for provision of resistive force to a connected exercise component of claim 3 additionally comprising:
said selection arm formed by a curved member, said curved member following an arch defining said elongated curved connection pathway.
10. The apparatus for provision of resistive force to a connected exercise component of claim 4 additionally comprising:
said selection arm formed by a curved member, said member having an axis following said arch of said line of apertures; and
said apertures communicating through a sidewall of said selection arm.
11. The apparatus for provision of resistive force to a connected exercise component of claim 5 additionally comprising:
said selection arm formed by a curved member, said member having an axis following said arch of said line of apertures; and
said apertures communicating through a sidewall of said selection arm.
12. The apparatus for provision of resistive force to a connected exercise component of claim 6 additionally comprising:
said selection arm formed by a curved member, said member having an axis following said arch of said line of apertures; and
said apertures communicating through a sidewall of said selection arm.
13. The apparatus for provision of resistive force to a connected exercise component of claim 7 additionally comprising:
an electric motor engaged with a screw gear;
said second end of said pin arm engaged to said curved member with a sliding component; and
said screw gear operatively connected to said sliding component whereby rotation of said motor slides said sliding component between said first end and second end of said connection pathway.
14. The apparatus for provision of resistive force to a connected exercise component of claim 8 additionally comprising:
an electric motor engaged with a screw gear;
said second end of said pin arm engaged to said curved member with a sliding component; and
said screw gear operatively connected to said sliding component whereby rotation of said motor slides said sliding component between said first end and second end of said connection pathway.
15. The apparatus for provision of resistive force to a connected exercise component of claim 9 additionally comprising:
an electric motor engaged with a screw gear;
said second end of said pin arm engaged to said curved member with a sliding component; and
said screw gear operatively connected to said sliding component whereby rotation of said motor slides said sliding component between said first end and second end of said connection pathway.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/633,052 US20150238801A1 (en) | 2014-02-26 | 2015-02-26 | Exercise Weight Selection Device and Method |
PCT/US2015/017850 WO2015130988A1 (en) | 2014-02-26 | 2015-02-26 | Exercise weight selection device and method |
US15/404,109 US10398920B2 (en) | 2014-02-26 | 2017-01-11 | Exercise weight selection device and method |
US16/101,033 US10709922B2 (en) | 2014-02-26 | 2018-08-10 | Exercise weight selection device and method |
US16/515,492 US10960253B2 (en) | 2014-02-26 | 2019-07-18 | Exercise weight selection device and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201461945008P | 2014-02-26 | 2014-02-26 | |
US14/633,052 US20150238801A1 (en) | 2014-02-26 | 2015-02-26 | Exercise Weight Selection Device and Method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/404,109 Continuation-In-Part US10398920B2 (en) | 2014-02-26 | 2017-01-11 | Exercise weight selection device and method |
Publications (1)
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US20150238801A1 true US20150238801A1 (en) | 2015-08-27 |
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ID=53881243
Family Applications (1)
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US14/633,052 Abandoned US20150238801A1 (en) | 2014-02-26 | 2015-02-26 | Exercise Weight Selection Device and Method |
Country Status (2)
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US (1) | US20150238801A1 (en) |
WO (1) | WO2015130988A1 (en) |
Cited By (15)
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WO2018132354A1 (en) * | 2017-01-11 | 2018-07-19 | Jeffrey Owen Meredith | Exercise weight selection device and method |
US10188890B2 (en) | 2013-12-26 | 2019-01-29 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
US10252109B2 (en) | 2016-05-13 | 2019-04-09 | Icon Health & Fitness, Inc. | Weight platform treadmill |
US10279212B2 (en) | 2013-03-14 | 2019-05-07 | Icon Health & Fitness, Inc. | Strength training apparatus with flywheel and related methods |
US10293211B2 (en) | 2016-03-18 | 2019-05-21 | Icon Health & Fitness, Inc. | Coordinated weight selection |
US10398920B2 (en) | 2014-02-26 | 2019-09-03 | Jeffrey Owen Meredith | Exercise weight selection device and method |
US10426989B2 (en) | 2014-06-09 | 2019-10-01 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
US10441840B2 (en) | 2016-03-18 | 2019-10-15 | Icon Health & Fitness, Inc. | Collapsible strength exercise machine |
US10449416B2 (en) | 2015-08-26 | 2019-10-22 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US10661114B2 (en) | 2016-11-01 | 2020-05-26 | Icon Health & Fitness, Inc. | Body weight lift mechanism on treadmill |
US10709922B2 (en) | 2014-02-26 | 2020-07-14 | Hoist Fitness Systems, Inc. | Exercise weight selection device and method |
US20200254294A1 (en) * | 2015-09-18 | 2020-08-13 | Jaquish Biomedical Corporation | Devices for exercise apparatuses |
US10940360B2 (en) | 2015-08-26 | 2021-03-09 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
JP7158071B1 (en) * | 2021-08-31 | 2022-10-21 | 東庚企業股▲ふん▼有限公司 | training device resistance device |
US20230001254A1 (en) * | 2021-06-30 | 2023-01-05 | Tung Keng Enterprise Co., Ltd. | Loading device for an exercise machine |
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