US20030092543A1 - Upper torso exercise machine - Google Patents
Upper torso exercise machine Download PDFInfo
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- US20030092543A1 US20030092543A1 US10/293,041 US29304102A US2003092543A1 US 20030092543 A1 US20030092543 A1 US 20030092543A1 US 29304102 A US29304102 A US 29304102A US 2003092543 A1 US2003092543 A1 US 2003092543A1
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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
- A63B21/155—Cam-shaped pulleys or other non-uniform pulleys, e.g. conical
-
- 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
- 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
- A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
- A63B21/4047—Pivoting movement
-
- 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
- A63B23/03533—With separate means driven by each limb, i.e. performing different movements
-
- 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
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
-
- 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
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0228—Sitting on the buttocks
- A63B2208/0233—Sitting on the buttocks in 90/90 position, like on a chair
-
- 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
- A63B23/03533—With separate means driven by each limb, i.e. performing different movements
- A63B23/03541—Moving independently from each other
-
- 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
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1245—Primarily by articulating the shoulder joint
- A63B23/1263—Rotation about an axis passing through both shoulders, e.g. cross-country skiing-type arm movements
Definitions
- the invention relates to the field of exercise and physical rehabilitation equipment; in particular, to an apparatus for exercising the upper torso.
- One such exercise is known as a chest press.
- An exerciser lies supine on a bench and grasps a barbell above him. The exerciser then pushes the barbell upward, away from his chest, and lowers it down.
- This exercise can be dangerous as the exerciser may drop the barbell.
- the exerciser should have a partner to spot him in case he fails to lift the weight and becomes trapped below it. Even if done properly with a partner, this exercise may not permit the user a full range of exercise since the barbell may hit the user's chest before the chest and arm muscles have extended fully.
- the resistance provided by gravity is constant while the strength of the muscles varies over the range of motion. Consequently, the muscles are not fully loaded at each point over the range.
- the hands seek to follow a curved path inward as the weight is extended from the chest. This path cannot be followed when using a barbell because the hands are maintained at a fixed distance.
- a user exercises by pushing handles away from his chest while in a sitting position.
- a seat and backrest are mounted to a frame to position a user.
- Two arms are rotateably mounted as a unit to the frame.
- the handles are mounted to the arms.
- the pivot for the arms is disposed above the seat.
- a cable operably connects the arms to a weight stack such that when a user pushes on the handles, thereby rotating the arms, the weight stack is lifted and provides resistance to the exercise.
- the cable may extend over a variable radius cam, which alters the distance the weight is displaced for a given amount of handle rotation.
- the resistance to the movement of the handles can be varied to match the strength curve of the chest muscles. While such an apparatus s solve many problems associated with performing a chest press exercise with barbells or dumbbells, it does not permit the user to vary the distance between his hands while performing the exercise.
- an exercise machine in which levers are rotateably mounted to a frame above the seated user. Handles are mounted to the levers. Resistance to handle movement is provided by weight plates mounted to the levers.
- the hinges for the levers are disposed at an angle of 20 degrees. with respect to a central vertical midplane, such that the user must move his hands in defined arcs in converging planes as he presses forward on the handles.
- This apparatus forces the user's hands to be brought together at a preset rate as they are pressed away from the chest, regardless of the user's anatomy.
- This apparatus does not permit the user to select his own path of motion for the press exercise. Rather, the motion is dictated by the angle of the hinges.
- the subject invention provides an upper body exercise machine with increased longitudinal and lateral range of motions.
- the exercise machine contains independent dual axis, dual hinge mechanisms enabling a user emulate the natural motion associated with free weights, while maintaining the stability of an exercise machine.
- the exercise machine of the subject invention provides an upper torso exercise machine, for example a chest press machine.
- the chest press machine includes a support frame to which a user support structure is mounted.
- the user support structure includes an adjustable seat and a backrest, where the adjustable seat is adapted to be positioned at various heights along the support frame, providing a comfortable starting position and allowing a full range of motion for users of varying stature.
- the seat and the backrest are in a partially reclined position.
- Lifting arms are mounted to the support frame by a pair of dual axis, dual hinge mechanisms, where the hinge mechanisms are opposingly mounted onto the support frame.
- the hinge mechanisms include a pair of primary hinges and a pair of secondary hinges.
- the primary hinges are mounted to support frame and located above the seat, where the primary hinges are mounted as mirror images of each other.
- the primary hinges include primary bearing tubes mounted on sealed bearings and rotateable about primary hinge axes.
- the secondary hinges are rotateably mounted to the primary hinges, and include secondary bearing tubes mounted to sealed bearings and rotateable about secondary hinge axes.
- the secondary hinge axes are skew to the primary hinge axes; in other words, the secondary hinge axes are not parallel to the primary hinge axes.
- the dual axis, dual hinge mechanisms operate to divide the resistance provided by the weight stack into a longitudinal component and a lateral component. These separated components of resistance increase the effectiveness of the exercise by more consistently loading the muscles throughout the range of motion and in addition, provide feedback to the user that encourages symmetrical exercise paths of the right and left hands.
- Handles are mounted at the end of the arms distal to the secondary bearing tubes.
- the handles present the user with a barbell grip.
- a variable position handle such as a pivoting handle, or a pad for pushing with the user's arm, wrist or elbow, could be attached to the arm to permit the user to perform other exercises.
- the arms are operable connected to the weight stack via the transmission system and lifting cables, where the transmission system could include a rotateable eccentric shaped cam operable connected to a weight stack. As the user presses forward and inward on the handles the transmission system is caused to rotate, lifting the weight stack.
- a weight is selected on the main weight stack by placing a pin in one of the holes, as is known in the art.
- the user adjusts the seat to a suitable position. For example, a user with a longer torso will adjust the seat to a lower height such that the handles are positioned at a comfortable height near the user's chest.
- the user grasps the handles and pushes forward.
- the movement of the handles causes the arms to move which, in turn, cause the secondary bearing tubes to move.
- This movement causes the primary bearing tubes to rotate which, in turn, causes the transmission system to rotate, rotating the cam, and lifting the selected weight.
- the user then returns the handles to the initial position, thereby lowering the weight.
- the user pushes the handles in the forward direction (concentric action)
- the resistance provided by the weight is overcome.
- the user returns the handles (eccentric action)
- the user succumbs to the resistance provided by the weight.
- the dual axis, dual hinge mechanisms permit the handles to be independently or in combination moved forward (i.e., longitudinally) and inward (i.e., laterally) in a relationship selected by the user.
- the two different modes of operation available to the user are machine defined path or user defined path.
- the machine defined path the user would push in the forward direction and the arms would be restricted to a natural converging path motion defined by the angular orientation of the primary axis which would be approximately 20 to 25 degrees convergent per side to the longitudinal axis of the machine. No path of motion less convergent than the machine defined path would be available to the user.
- the second mode of operation the user would start out by pushing inward as well as forward.
- FIG. 1 is a perspective view a chest press machine of the present invention
- FIG. 2 is left side view a chest press machine of the present invention
- FIG. 3 is a top view a chest press machine of the present invention.
- FIG. 4 is a perspective view of the dual axis, dual hinge mechanisms of the present invention.
- FIG. 5 is a front view a chest press machine of the present invention.
- FIG. 6 is a rear view a chest press machine of the present invention.
- FIG. 7 is a right side view a chest press machine of the present invention.
- the subject invention provides an upper body exercise machine with increased longitudinal and lateral range of motions while offering a consistent resistance throughout the range of motion of the joints being trained.
- the exercise machine includes independent dual axis, dual hinge mechanisms enabling a user emulate the natural motion associated with free weights, while maintaining a consistent resistance applied to the muscles, in the stability of an exercise machine.
- the exercise machine 10 of the present invention includes a support frame 12 having a front leg 14 , rear base 16 , and a vertical support 18 .
- a seat 20 is mounted to the front leg 14 of the support frame 12 .
- the seat 20 is adapted to be positioned at various heights along the front leg 14 to provide a comfortable starting position and to the proper alignment of the shoulder for users of varying stature.
- a backrest 22 is mounted on the front leg 14 above the seat 20 , wherein the backrest 22 defines a plane.
- this machine is shown to have a minimally inclined backrest, other configurations provide various degrees of incline.
- the front leg 14 angles away behind the seat 20 in an upward direction such that the backrest 22 is in a partially reclined position.
- the seat 20 and backrest 22 comprise a user support adapted to maintain the user in a comfortable position for exercising.
- the arms 24 are mounted to the support frame 12 by independent dual axis, dual hinge mechanisms 26 a and 26 b , where the hinge mechanisms 26 a and 26 b are mounted on vertical support 18 with hinge bracket 28 .
- the hinge bracket 28 is mounted to the vertical support, such that the hinge mechanisms 26 a and 26 b are at an angle ⁇ from the horizontal plane, wherein the angle ⁇ can be between about ⁇ 30 degrees to about +30 degrees.
- the hinge mechanisms 26 a and 26 b include primary hinges 30 a and 30 b and secondary hinges 32 a and 32 b .
- the primary hinges 30 a and 30 b are mounted to the hinge bracket 28 and also located above the seat 20 .
- the primary hinges 30 a and 30 b are mounted as non-parallel, non-planar mirror images of each other, disposed in a skewed orientation to the plane defined by the backrest 22 .
- the dual hinge mechanisms 26 a and 26 b are mounted to the hinge bracket 28 such that the axes of rotation of the primary hinges 30 a and 30 b are at an angle a to plane A, as defined by the backrest 22 .
- the angle ⁇ can be between about 10 degrees to about 45 degrees, wherein for the exemplary embodiment exercise machine a can be between about 20 degrees to about 25 degrees.
- the secondary hinges 32 a and 32 b are mounted to the primary hinges 30 a and 30 b , such that the rotational axes of the secondary hinges 32 a and 32 b are skewed with respect to the rotational axes of the primary hinge 30 a and 30 b ; in other words, the secondary hinges 32 a and 32 b axes are not parallel to the primary hinges 30 a and 30 b axes.
- the rotational axes of the secondary hinges 32 a and 32 b are at an angle ⁇ to the rotational axes of the primary hinges 30 a and 30 b .
- the angle ⁇ can be between about 80 degrees to about 100 degrees, wherein for the exemplary embodiment exercise machine ⁇ is about 90 degrees.
- the primary hinges 30 a and 30 b are disposed directly above the rear of the backrest 22 (see FIG. 2), they could be located in other positions and still practice the invention.
- the primary hinges 30 a and 30 b could be positioned in front or behind the backrest 22 to vary the direction of handle motion, providing a declined press or an inclined press exercise, respectively.
- the primary hinges 30 a and 30 b includes a primary bearing tube 34 mounted on sealed bearings (not shown) and rotateable about the rotational axes of the primary hinges 30 a and 30 b .
- the secondary hinges 32 a and 32 b include secondary bearing tubes 38 mounted to sealed bearings (not shown) and rotateable about the secondary hinge's 32 a and 32 b axes of rotation.
- the secondary bearing tubes 38 are affixed to the primary bearing tubes 34 such that as the secondary bearing tubes 38 are rotated about the secondary hinge's 32 a and 32 b axes of rotation the primary bearing tubes 34 are rotated about primary hinge's 30 a and 30 b axes rotation.
- the hinge mechanisms 26 a and 26 b operate to divide the resistance provided by the weight stack 40 into a longitudinal component and a lateral component. These separated components of resistance increase the effectiveness of the exercise by more consistently loading the muscles throughout the range of motion and in addition, provide feedback to the user that encourages symmetrical exercise paths of the right and left hands. By providing lateral resistance, and by encouraging a symmetric stroke, the hinge mechanisms 26 a and 26 b can make the exercise machine feel “stable” as perceived by a user.
- the arms 24 are rigidly attached to the secondary hinges 32 a and 32 b , at an inclination to the rotational axes of the secondary hinges 32 a and 32 b . (See also FIG. 5).
- the arms curve to become essentially perpendicular to the secondary hinge axes.
- Handles 60 are mounted at the end of the arms 24 distal to the secondary bearing tubes 38 .
- the handles 60 present the user with a barbell grip.
- a variable position handle such as a pivoting handle, or a pad for pushing with the user's arm, wrist or elbow, could be attached to the arm to permit the user to perform other exercises.
- a weight stack brace 42 is attached to the support frame 12 by beams 44 , such that the weight stack 40 is easily accessed by a user seated in seat 20 .
- Chevron-shaped bridges 46 a and 46 b are rigidly mounted to the front leg 14 and the weight stack brace 42 , respectively.
- the chevron-shaped bridges 46 A and 46 b support a transmission 48 , including a shaft 50 , a first cam 52 and a second cam 54 . (See also FIG.
- a weight stack pulley set 56 a and 56 b is mounted to the top of the weight stack brace 42 , with pulley 56 a aligned with the first cam 52 and pulley 56 b aligned with the weight stack 40 .
- Rails 58 are mounted vertically within the weight stack brace 42 .
- Weight stack 40 is slidingly mounted to the rails 58 and provides a resistance to the exercise.
- the resistance can be provided by weighted plates disposed directly on the arms 24 , as is known in the art.
- pivot arms 62 are mounted to the primary bearing tube 34 .
- a bumper arm 64 is mounted to the pivot arm 62 distal to the primary bearing tube 34 .
- the bumper arm 64 has a bumper 66 at its distal end positioned to contact the arms 24 . As the arms 24 are spread apart, the bumpers 66 engage the arms 24 . In the rest position, the bumper arm 64 operates to limit the lateral range of motion of the handles 60 and to define a lateral starting position.
- torsion spring 80 is wrapped around secondary hinge tubes 38 and located in such a way to provide a counter balance for arms 24 . (See also FIG. 4). This enables the user to sit in the seat 20 without having to move the arms 24 out of the way, and keeps the handles 60 in the exercise starting position.
- the pivot arms 62 are operably connected to the weight stack 40 via the transmission system 48 .
- a first pair of frame pulleys 68 are mounted to the vertical support 18 of the support frame 12 .
- a second pair of frame pulleys 70 are mounted to the front leg 14 of the support frame 12 , wherein the second pair of frame pulleys 70 are mounted below and inline with the first pair of frame pulleys 68 . (See also FIG.
- a lifting pulley 72 is operably connected to the arms 24 by a first cable 74 , wherein the first cable 74 is threaded about and through the first pair of frame pulleys 68 and second pair of frame pulleys 70 , such that the lifting pulley 72 is positioned above second cam 54 .
- a second cable 76 connects the lifting pulley 72 to the second cam 54 , such that the second cam 54 is caused to rotate when at least one of the arms 24 is extended.
- a belt 78 is attached at one end to the first cam 52 and extends over the weight stack pulleys 56 a and 56 b and is attached to the weight stack 40 . (See also FIG. 7).
- the lifting pulley 72 is raised, causing the second cable 76 to unwind and rotate the second cam 54 .
- the shaft 50 and the first cam 52 rotate as well. The rotation of the first cam 52 pulls the belt 78 over the weight stack pulleys 56 a and 56 b , and thus lifts the weight stack 40 .
- a weight is selected on the main weight stack 40 by placing a pin (not shown) in one of the holes, as is known in the art.
- the user adjusts the seat 20 to a suitable position on the front leg 14 .
- a user with a longer torso will adjust the seat to a lower height such that the handles 60 are positioned at a comfortable height near the user's chest.
- the user then grasps the handles 60 and pushes forward.
- the movement of the handles 60 causes the arms 24 to move which, in turn, cause the primary and secondary bearing tubes 34 and 38 to move.
- the movement of the primary and secondary bearing tubes 34 and 38 causes the lifting pulley 72 to be raised.
- the second cam 54 , shaft 50 , and first cam 52 rotate, pulling on the belt 78 and lifting the selected weight.
- the user then returns the handles 60 to the initial position, thereby lowering the weight.
- the resistance provided by the weight is overcome.
- the user succumbs to the resistance provided by the weight.
- the hinge mechanisms 26 a and 26 b permit the handles 60 to be independently or in combination moved forward (i.e., longitudinally) and inward (i.e., laterally) in a relationship selected by the user. Consequently, the user can grasp the handles 60 and push forward and inward in a natural arcuate path. Alternatively, the user can select another path to give the muscles a different workout.
- the two different modes of operation available to the user are machine defined path or user defined path. In the machine defined path, the user would push in the forward direction and the arms would be restricted to a natural converging path motion defined by the angular orientation of the primary axis which would be approximately 20 to 25 degrees convergent per side toward the midplane of the machine.
- dual hinge mechanisms 26 a and 26 b may be used on other upper torso weight machines, for example an inclined, decline, or flat chest press machines, and overhead shoulder press machines. It will be appreciated by persons skilled in the art that the subject invention is not limited to what has been particularly shown and described herein above. In addition, unless mention was made above to the contrary, it should be noted that all of the accompanying drawings are not to scale. A variety of modifications and variations are possible in light of the above teachings without departing from the scope and spirit of the invention, which is limited only by the following claims.
Abstract
Description
- This application is related to and claims priority to U.S. Provisional Application Serial No. 60/337,737, filed Nov. 13, 2001, entitled CHEST PRESS, the entirety of which is incorporated herein by reference.
- n/a
- The invention relates to the field of exercise and physical rehabilitation equipment; in particular, to an apparatus for exercising the upper torso.
- It is often necessary or desirable for a person to exercise a particular muscle or group of muscles. For example, when a muscle is damaged, such as through injury or surgery, it is important to exercise the muscle to prevent atrophy and to strengthen the muscle for normal use. Further, people exercise healthy muscles to increase strength and to maintain an active and healthy lifestyle, as well as to improve their appearance. Various routines have been developed to exercise different muscle groups by forcing the muscles to contract and extend under a load, such as by moving a free weight against the force of gravity or by moving a handle whose movement is resisted by an exercise machine.
- One such exercise is known as a chest press. An exerciser lies supine on a bench and grasps a barbell above him. The exerciser then pushes the barbell upward, away from his chest, and lowers it down. This exercise can be dangerous as the exerciser may drop the barbell. Further, the exerciser should have a partner to spot him in case he fails to lift the weight and becomes trapped below it. Even if done properly with a partner, this exercise may not permit the user a full range of exercise since the barbell may hit the user's chest before the chest and arm muscles have extended fully. When using free weights, the resistance provided by gravity is constant while the strength of the muscles varies over the range of motion. Consequently, the muscles are not fully loaded at each point over the range. During a chest press, the hands seek to follow a curved path inward as the weight is extended from the chest. This path cannot be followed when using a barbell because the hands are maintained at a fixed distance.
- To overcome these difficulties, machines have been developed that simulate the exercise movements of a chest press. In one known apparatus a user exercises by pushing handles away from his chest while in a sitting position. A seat and backrest are mounted to a frame to position a user. Two arms are rotateably mounted as a unit to the frame. The handles are mounted to the arms. The pivot for the arms is disposed above the seat. A cable operably connects the arms to a weight stack such that when a user pushes on the handles, thereby rotating the arms, the weight stack is lifted and provides resistance to the exercise. The cable may extend over a variable radius cam, which alters the distance the weight is displaced for a given amount of handle rotation. In this configuration, the resistance to the movement of the handles can be varied to match the strength curve of the chest muscles. While such an apparatus s solve many problems associated with performing a chest press exercise with barbells or dumbbells, it does not permit the user to vary the distance between his hands while performing the exercise.
- In another apparatus, disclosed in U.S. Pat. No. 5,044,631, an exercise machine is disclosed in which levers are rotateably mounted to a frame above the seated user. Handles are mounted to the levers. Resistance to handle movement is provided by weight plates mounted to the levers. The hinges for the levers are disposed at an angle of 20 degrees. with respect to a central vertical midplane, such that the user must move his hands in defined arcs in converging planes as he presses forward on the handles. This apparatus forces the user's hands to be brought together at a preset rate as they are pressed away from the chest, regardless of the user's anatomy. This apparatus does not permit the user to select his own path of motion for the press exercise. Rather, the motion is dictated by the angle of the hinges.
- The subject invention provides an upper body exercise machine with increased longitudinal and lateral range of motions. As described herein, the exercise machine contains independent dual axis, dual hinge mechanisms enabling a user emulate the natural motion associated with free weights, while maintaining the stability of an exercise machine.
- The exercise machine of the subject invention provides an upper torso exercise machine, for example a chest press machine. The chest press machine includes a support frame to which a user support structure is mounted. The user support structure includes an adjustable seat and a backrest, where the adjustable seat is adapted to be positioned at various heights along the support frame, providing a comfortable starting position and allowing a full range of motion for users of varying stature. In an exemplary embodiment, the seat and the backrest are in a partially reclined position.
- Lifting arms are mounted to the support frame by a pair of dual axis, dual hinge mechanisms, where the hinge mechanisms are opposingly mounted onto the support frame. The hinge mechanisms include a pair of primary hinges and a pair of secondary hinges. The primary hinges are mounted to support frame and located above the seat, where the primary hinges are mounted as mirror images of each other. The primary hinges include primary bearing tubes mounted on sealed bearings and rotateable about primary hinge axes. The secondary hinges are rotateably mounted to the primary hinges, and include secondary bearing tubes mounted to sealed bearings and rotateable about secondary hinge axes. The secondary hinge axes are skew to the primary hinge axes; in other words, the secondary hinge axes are not parallel to the primary hinge axes.
- The dual axis, dual hinge mechanisms operate to divide the resistance provided by the weight stack into a longitudinal component and a lateral component. These separated components of resistance increase the effectiveness of the exercise by more consistently loading the muscles throughout the range of motion and in addition, provide feedback to the user that encourages symmetrical exercise paths of the right and left hands.
- Handles are mounted at the end of the arms distal to the secondary bearing tubes. The handles present the user with a barbell grip. Alternatively, a variable position handle such as a pivoting handle, or a pad for pushing with the user's arm, wrist or elbow, could be attached to the arm to permit the user to perform other exercises.
- The arms are operable connected to the weight stack via the transmission system and lifting cables, where the transmission system could include a rotateable eccentric shaped cam operable connected to a weight stack. As the user presses forward and inward on the handles the transmission system is caused to rotate, lifting the weight stack.
- To operate the apparatus of the present invention, a weight is selected on the main weight stack by placing a pin in one of the holes, as is known in the art. The user adjusts the seat to a suitable position. For example, a user with a longer torso will adjust the seat to a lower height such that the handles are positioned at a comfortable height near the user's chest. The user then grasps the handles and pushes forward. The movement of the handles causes the arms to move which, in turn, cause the secondary bearing tubes to move. This movement causes the primary bearing tubes to rotate which, in turn, causes the transmission system to rotate, rotating the cam, and lifting the selected weight. The user then returns the handles to the initial position, thereby lowering the weight. When the user pushes the handles in the forward direction (concentric action), the resistance provided by the weight is overcome. When the user returns the handles (eccentric action), the user succumbs to the resistance provided by the weight.
- The dual axis, dual hinge mechanisms permit the handles to be independently or in combination moved forward (i.e., longitudinally) and inward (i.e., laterally) in a relationship selected by the user. The two different modes of operation available to the user are machine defined path or user defined path. In the machine defined path, the user would push in the forward direction and the arms would be restricted to a natural converging path motion defined by the angular orientation of the primary axis which would be approximately 20 to 25 degrees convergent per side to the longitudinal axis of the machine. No path of motion less convergent than the machine defined path would be available to the user. Under the second mode of operation, the user would start out by pushing inward as well as forward. In this mode once the user exceeds a component of lateral force set by the machine geometry, they are free to move inward as much as desired in addition to moving forward. In the user defined mode, Any path of motion that is more convergent than the machine defined path is available to the user at any time.
- A more complete understanding of the present invention, and the attendant advantages and features thereof, will be more readily understood by reference to the following detailed description when considered in conjunction with the accompanying drawings wherein:
- FIG. 1 is a perspective view a chest press machine of the present invention;
- FIG. 2 is left side view a chest press machine of the present invention;
- FIG. 3 is a top view a chest press machine of the present invention;
- FIG. 4 is a perspective view of the dual axis, dual hinge mechanisms of the present invention;
- FIG. 5 is a front view a chest press machine of the present invention;
- FIG. 6 is a rear view a chest press machine of the present invention; and
- FIG. 7 is a right side view a chest press machine of the present invention.
- The subject invention provides an upper body exercise machine with increased longitudinal and lateral range of motions while offering a consistent resistance throughout the range of motion of the joints being trained. As described herein, the exercise machine includes independent dual axis, dual hinge mechanisms enabling a user emulate the natural motion associated with free weights, while maintaining a consistent resistance applied to the muscles, in the stability of an exercise machine.
- In an exemplary embodiment, as shown in FIGS. 1 and 2, the
exercise machine 10 of the present invention includes asupport frame 12 having afront leg 14,rear base 16, and avertical support 18. Aseat 20 is mounted to thefront leg 14 of thesupport frame 12. Theseat 20 is adapted to be positioned at various heights along thefront leg 14 to provide a comfortable starting position and to the proper alignment of the shoulder for users of varying stature. Abackrest 22 is mounted on thefront leg 14 above theseat 20, wherein thebackrest 22 defines a plane. Although this machine is shown to have a minimally inclined backrest, other configurations provide various degrees of incline. As shown, thefront leg 14 angles away behind theseat 20 in an upward direction such that thebackrest 22 is in a partially reclined position. Theseat 20 andbackrest 22 comprise a user support adapted to maintain the user in a comfortable position for exercising. - As shown in FIGS. 1 and 3, the
arms 24 are mounted to thesupport frame 12 by independent dual axis,dual hinge mechanisms hinge mechanisms vertical support 18 withhinge bracket 28. Thehinge bracket 28 is mounted to the vertical support, such that thehinge mechanisms hinge mechanisms primary hinges secondary hinges hinge bracket 28 and also located above theseat 20. The primary hinges 30 a and 30 b are mounted as non-parallel, non-planar mirror images of each other, disposed in a skewed orientation to the plane defined by thebackrest 22. Thedual hinge mechanisms hinge bracket 28 such that the axes of rotation of the primary hinges 30 a and 30 b are at an angle a to plane A, as defined by thebackrest 22. The angle α can be between about 10 degrees to about 45 degrees, wherein for the exemplary embodiment exercise machine a can be between about 20 degrees to about 25 degrees. The secondary hinges 32 a and 32 b are mounted to the primary hinges 30 a and 30 b, such that the rotational axes of the secondary hinges 32 a and 32 b are skewed with respect to the rotational axes of theprimary hinge - While in the current embodiment the primary hinges30 a and 30 b are disposed directly above the rear of the backrest 22 (see FIG. 2), they could be located in other positions and still practice the invention. In particular, the primary hinges 30 a and 30 b could be positioned in front or behind the
backrest 22 to vary the direction of handle motion, providing a declined press or an inclined press exercise, respectively. - In an embodiment, as shown in FIG. 4, the primary hinges30 a and 30 b includes a
primary bearing tube 34 mounted on sealed bearings (not shown) and rotateable about the rotational axes of the primary hinges 30 a and 30 b. The secondary hinges 32 a and 32 b includesecondary bearing tubes 38 mounted to sealed bearings (not shown) and rotateable about the secondary hinge's 32 a and 32 b axes of rotation. Thesecondary bearing tubes 38 are affixed to theprimary bearing tubes 34 such that as thesecondary bearing tubes 38 are rotated about the secondary hinge's 32 a and 32 b axes of rotation theprimary bearing tubes 34 are rotated about primary hinge's 30 a and 30 b axes rotation. - The
hinge mechanisms weight stack 40 into a longitudinal component and a lateral component. These separated components of resistance increase the effectiveness of the exercise by more consistently loading the muscles throughout the range of motion and in addition, provide feedback to the user that encourages symmetrical exercise paths of the right and left hands. By providing lateral resistance, and by encouraging a symmetric stroke, thehinge mechanisms - In an embodiment, as shown in FIGS. 1 and 4, the
arms 24 are rigidly attached to the secondary hinges 32 a and 32 b, at an inclination to the rotational axes of the secondary hinges 32 a and 32 b. (See also FIG. 5). At a point distal the secondary bearing tubes, the arms curve to become essentially perpendicular to the secondary hinge axes.Handles 60 are mounted at the end of thearms 24 distal to thesecondary bearing tubes 38. Thehandles 60 present the user with a barbell grip. Alternatively, a variable position handle such as a pivoting handle, or a pad for pushing with the user's arm, wrist or elbow, could be attached to the arm to permit the user to perform other exercises. - In an exemplary embodiment, as shown in FIG. 1, a
weight stack brace 42 is attached to thesupport frame 12 bybeams 44, such that theweight stack 40 is easily accessed by a user seated inseat 20. Chevron-shapedbridges front leg 14 and theweight stack brace 42, respectively. The chevron-shapedbridges 46A and 46 b support atransmission 48, including ashaft 50, afirst cam 52 and asecond cam 54. (See also FIG. 6) A weight stack pulley set 56 a and 56 b is mounted to the top of theweight stack brace 42, withpulley 56 a aligned with thefirst cam 52 andpulley 56 b aligned with theweight stack 40.Rails 58 are mounted vertically within theweight stack brace 42.Weight stack 40 is slidingly mounted to therails 58 and provides a resistance to the exercise. - In alternative embodiments, other mechanisms for providing resistance, such as friction fitting, springs, elastic bands, pneumatic or electromagnetic resistance, or an air resistance fan could be employed (either alone or in combination) and still practice the invention. Additionally, free weights could be operably engaged to the
arms 24 to resist the movement. - In still a further embodiment (not shown), the resistance can be provided by weighted plates disposed directly on the
arms 24, as is known in the art. - In an embodiment, as shown in FIGS. 1 and 3, pivot
arms 62 are mounted to theprimary bearing tube 34. Abumper arm 64 is mounted to thepivot arm 62 distal to theprimary bearing tube 34. Thebumper arm 64 has abumper 66 at its distal end positioned to contact thearms 24. As thearms 24 are spread apart, thebumpers 66 engage thearms 24. In the rest position, thebumper arm 64 operates to limit the lateral range of motion of thehandles 60 and to define a lateral starting position. - In the rest position the
arms 24 extend laterally outward and longitudinally forward from thesecondary hinge bumpers 66. In an embodiment, thearm 24 would fall towards the midline due to the position of its center of gravity with respect to the location of the secondary hinge. To prevent this,torsion spring 80 is wrapped aroundsecondary hinge tubes 38 and located in such a way to provide a counter balance forarms 24. (See also FIG. 4). This enables the user to sit in theseat 20 without having to move thearms 24 out of the way, and keeps thehandles 60 in the exercise starting position. - In an embodiment, a shown in FIG. 6, the
pivot arms 62 are operably connected to theweight stack 40 via thetransmission system 48. A first pair of frame pulleys 68 are mounted to thevertical support 18 of thesupport frame 12. A second pair of frame pulleys 70 are mounted to thefront leg 14 of thesupport frame 12, wherein the second pair of frame pulleys 70 are mounted below and inline with the first pair of frame pulleys 68. (See also FIG. 2) A liftingpulley 72 is operably connected to thearms 24 by afirst cable 74, wherein thefirst cable 74 is threaded about and through the first pair of frame pulleys 68 and second pair of frame pulleys 70, such that the liftingpulley 72 is positioned abovesecond cam 54. Asecond cable 76 connects the liftingpulley 72 to thesecond cam 54, such that thesecond cam 54 is caused to rotate when at least one of thearms 24 is extended. - A
belt 78 is attached at one end to thefirst cam 52 and extends over the weight stack pulleys 56 a and 56 b and is attached to theweight stack 40. (See also FIG. 7). As the user presses forward or inward on thehandles 60, the liftingpulley 72 is raised, causing thesecond cable 76 to unwind and rotate thesecond cam 54. As thesecond cam 54 rotates, theshaft 50 and thefirst cam 52 rotate as well. The rotation of thefirst cam 52 pulls thebelt 78 over the weight stack pulleys 56 a and 56 b, and thus lifts theweight stack 40. - In an exemplary method of operation, a weight is selected on the
main weight stack 40 by placing a pin (not shown) in one of the holes, as is known in the art. The user adjusts theseat 20 to a suitable position on thefront leg 14. For example, a user with a longer torso will adjust the seat to a lower height such that thehandles 60 are positioned at a comfortable height near the user's chest. The user then grasps thehandles 60 and pushes forward. The movement of thehandles 60 causes thearms 24 to move which, in turn, cause the primary andsecondary bearing tubes secondary bearing tubes pulley 72 to be raised. As the liftingpulley 72 is raised, thesecond cam 54,shaft 50, andfirst cam 52 rotate, pulling on thebelt 78 and lifting the selected weight. The user then returns thehandles 60 to the initial position, thereby lowering the weight. When the user pushes thehandles 60 forward (concentric action), the resistance provided by the weight is overcome. When the user returns the handles 60 (eccentric action), the user succumbs to the resistance provided by the weight. - The
hinge mechanisms handles 60 to be independently or in combination moved forward (i.e., longitudinally) and inward (i.e., laterally) in a relationship selected by the user. Consequently, the user can grasp thehandles 60 and push forward and inward in a natural arcuate path. Alternatively, the user can select another path to give the muscles a different workout. The two different modes of operation available to the user are machine defined path or user defined path. In the machine defined path, the user would push in the forward direction and the arms would be restricted to a natural converging path motion defined by the angular orientation of the primary axis which would be approximately 20 to 25 degrees convergent per side toward the midplane of the machine. No path of motion less convergent than the machine defined path would be available to the user. Under the second mode of operation, the user would start out by pushing inward as well as forward. In this mode once the user exceeds a component of lateral force set by the machine geometry, they are free to move inward as much as desired in addition to moving forward. In the user defined mode, Any path of motion that is more convergent than the machine defined path is available to the user at any time. - It should be under stood that the dual axis,
dual hinge mechanisms
Claims (21)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/293,041 US20030092543A1 (en) | 2001-11-13 | 2002-11-13 | Upper torso exercise machine |
US10/379,420 US7666123B2 (en) | 2001-11-13 | 2003-03-04 | Upper torso exercise machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33773701P | 2001-11-13 | 2001-11-13 | |
US10/293,041 US20030092543A1 (en) | 2001-11-13 | 2002-11-13 | Upper torso exercise machine |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/379,420 Continuation-In-Part US7666123B2 (en) | 2001-11-13 | 2003-03-04 | Upper torso exercise machine |
Publications (1)
Publication Number | Publication Date |
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US20030092543A1 true US20030092543A1 (en) | 2003-05-15 |
Family
ID=26967719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/293,041 Abandoned US20030092543A1 (en) | 2001-11-13 | 2002-11-13 | Upper torso exercise machine |
Country Status (1)
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US (1) | US20030092543A1 (en) |
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US10661116B2 (en) | 2014-03-11 | 2020-05-26 | Cybex International, Inc. | Back extension exercise apparatus |
US10682547B2 (en) | 2014-03-11 | 2020-06-16 | Cybex International, Inc. | Pull down exercise apparatus |
US9555274B1 (en) * | 2015-02-11 | 2017-01-31 | Brunswick Corporation | Seat adjustment devices and exercise apparatuses having seat adjustment devices |
US10286256B2 (en) * | 2016-01-27 | 2019-05-14 | Dmitriy Davidovich Slobodnik | Weight exercise machine |
US11752059B2 (en) * | 2017-09-15 | 2023-09-12 | David Health Solutions Ltd. | Rehabilitation device and its use for exercising the shoulder region |
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