US20070225127A1 - Cushion device for exercise machine - Google Patents
Cushion device for exercise machine Download PDFInfo
- Publication number
- US20070225127A1 US20070225127A1 US11/385,691 US38569106A US2007225127A1 US 20070225127 A1 US20070225127 A1 US 20070225127A1 US 38569106 A US38569106 A US 38569106A US 2007225127 A1 US2007225127 A1 US 2007225127A1
- Authority
- US
- United States
- Prior art keywords
- linkage
- cushion device
- exercise machine
- cushion
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0207—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills having shock absorbing means
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
- A63B71/023—Supports, e.g. poles
- A63B2071/025—Supports, e.g. poles on rollers or wheels
Definitions
- the present invention relates generally to an exercise machine, and more particularly to a cushion device of the exercise machine, such as treadmill, which can absorb the vibration from various orientations.
- Treadmill is the most popular machine to provide a place for user walking, jogging or running indoors. When user is running or walking on the treadmill, every step will give the knee joints and heel joints a reactive force. It is easy to get musculoskeletal injure when a user running or walking on the treadmill for a long time.
- Some new treadmills are provided with a cushion device to reduce the loading of knee joints and heel joints, when user is running or walking on the treadmill.
- the cushion device may be a spring or hydraulic pump to absorb the vibration when user is running or walking on the treadmill.
- Such invention includes U.S. Pat. No. 5,072,928 issued to Stearns, et al. and U.S. Pat. No. 6,872,168 issued to Wang, et al.
- cushion devices for treadmill include Eschenbach's invention (U.S. Pat. No. 6,053,848) providing a rope to be the cushion medium and the invention issued to Dalebout et al. (U.S. Pat. No. 6,821,230) providing a cushion block with holes thereon. The sizes of the holes are different, so that the block is rotated to give different cushion capacities.
- the above cushion devices only absorb the vibration normal to the cushion device. There is a poor absorbing capacity for the vibration not normal to the cushion device.
- the vibration not normal to the axis of the spring will provides a shear force that the spring has a weak capacity to absorb it and the shear force may damage the spring.
- the primary objective of the present invention is to provide a cushion device of an exercise apparatus, which can absorb the vibration from various orientations.
- a cushion device which is mounted on an exercise machine to absorb vibration, comprises a linkage having an end pivot on a bottom of the exercise machine, and an elastic member having opposite end urging the exercise machine and the linkage respectively.
- An angle between the linkage and the ground is less than ninety degrees, such that the vibration from different orientation will transmit to the linkage and make it swing, and the elastic member is elastically deformed to absorb the vibration.
- FIG. 1 is a perspective view of the treadmill of a preferred embodiment of the present invention
- FIG. 2 is an exploded view of the cushion device of the preferred embodiment of the present invention.
- FIG. 3 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the condition of unloading
- FIG. 4 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the condition of loading
- FIG. 5 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the nut is screwed to comprise the spring.
- a treadmill 1 of the preferred embodiment of the present invention includes a base 10 and a deck 12 with a front end connected to the base, on which a running belt 14 and two cushion devices 18 (only show one of which in drawings) are provided.
- Each of the cushion devices 18 has a linkage 20 , a wheel 22 , an elastic member 24 , which is a spring in the embodiment, and a mount 26 .
- the linkage 20 has two parallel arms 28 and a plate 30 fixed to the arms 28 .
- the plate 30 has a bore 32 between the arms 32 .
- the arms 28 have inner ends pivoted on a bottom of the deck 12 and outer ends pivoted with the wheel 22 .
- the wheel 22 is rested on the ground for running.
- the mount 26 is fixed to the bottom of the deck 12 with a shaft 34 through the bore 32 of the plate 30 of the linkage 20 .
- a nut 36 is screwed to the distal end of the shaft 34 and against the plate 30 .
- the spring 24 is fitted to the shaft 34 with opposite ends urging the mount 26 and the plate 30 of the linkage 20 respectively.
- the steps will provide vibrations from various orientations and transmit to the linkages 20 of the cushion devices 18 .
- the force of vibrations form every orientation to the linkages 20 can be resolved into a normal component (Fn) and a horizontal component (Fs).
- the normal component (Fn) will swing the linkages 20 and compress the spring 24 , as shown in FIG. 3 .
- the spring 24 will force the linkages 20 back to the initial position, as shown in FIG. 2 .
- the ratio of the normal component (Fn) and the horizontal component (Fs) is relative to an angle ⁇ between the linkage 20 and ground.
- the value of the normal component (Fn) is positive related to the angle ⁇ .
- the present invention recommends the angle ⁇ is less than 45 degrees, and more preferred, the angle ⁇ is between 25 degrees and 35 degrees.
- the nut 36 may be screwed to adjust the pre-compression of the spring 24 .
- FIG. 3 shows the spring 24 in the condition of less pre-compression, which provides the cushion device 18 with a “soft” cushion capacity.
- FIG. 5 shows the nut 36 is screwed to compress the spring 24 much.
- the cushion device 18 of FIG. 5 will provide a “hard” cushion capacity.
Abstract
A cushion device for an exercise machine, such as treadmill, includes a linkage, a spring and a mount. The linkage is pivoted on a bottom of the exercise machine, and wheel is pivoted on a distal end of the linkage. The mount is fixed to the bottom of the exercise machine, on which the spring is provided to urge the linkage. When user takes exercise on the machine, the vibration from different orientations will transmit to the linkage and make it swing, such that the spring is compressed to absorb the vibration.
Description
- 1. Field of the Invention
- The present invention relates generally to an exercise machine, and more particularly to a cushion device of the exercise machine, such as treadmill, which can absorb the vibration from various orientations.
- 2. Description of the Related Art
- Treadmill is the most popular machine to provide a place for user walking, jogging or running indoors. When user is running or walking on the treadmill, every step will give the knee joints and heel joints a reactive force. It is easy to get musculoskeletal injure when a user running or walking on the treadmill for a long time. Some new treadmills are provided with a cushion device to reduce the loading of knee joints and heel joints, when user is running or walking on the treadmill.
- There was a treadmill equipped with a cushion device between the deck and base. The cushion device may be a spring or hydraulic pump to absorb the vibration when user is running or walking on the treadmill. Such invention includes U.S. Pat. No. 5,072,928 issued to Stearns, et al. and U.S. Pat. No. 6,872,168 issued to Wang, et al.
- U.S. Pat. No. 5,441,468, issued to Deckers, et al., taught a treadmill with cushion pads under the running belt to absorb vibration. Similar inventions include Buhler's invention (U.S. Pat. No. 5,542,892) and Chiu's invention (U.S. Pat. No. 6,117,053).
- Other cushion devices for treadmill include Eschenbach's invention (U.S. Pat. No. 6,053,848) providing a rope to be the cushion medium and the invention issued to Dalebout et al. (U.S. Pat. No. 6,821,230) providing a cushion block with holes thereon. The sizes of the holes are different, so that the block is rotated to give different cushion capacities.
- The above cushion devices only absorb the vibration normal to the cushion device. There is a poor absorbing capacity for the vibration not normal to the cushion device. For a spring cushion device, the vibration not normal to the axis of the spring will provides a shear force that the spring has a weak capacity to absorb it and the shear force may damage the spring.
- The primary objective of the present invention is to provide a cushion device of an exercise apparatus, which can absorb the vibration from various orientations.
- According to the objective of the present invention, a cushion device, which is mounted on an exercise machine to absorb vibration, comprises a linkage having an end pivot on a bottom of the exercise machine, and an elastic member having opposite end urging the exercise machine and the linkage respectively. An angle between the linkage and the ground is less than ninety degrees, such that the vibration from different orientation will transmit to the linkage and make it swing, and the elastic member is elastically deformed to absorb the vibration.
-
FIG. 1 is a perspective view of the treadmill of a preferred embodiment of the present invention; -
FIG. 2 is an exploded view of the cushion device of the preferred embodiment of the present invention; -
FIG. 3 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the condition of unloading; -
FIG. 4 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the condition of loading; and -
FIG. 5 is a sectional view of the cushion device of the preferred embodiment of the present invention, showing the nut is screwed to comprise the spring. - As shown in
FIG. 1 andFIG. 2 , a treadmill 1 of the preferred embodiment of the present invention includes abase 10 and adeck 12 with a front end connected to the base, on which arunning belt 14 and two cushion devices 18 (only show one of which in drawings) are provided. - Each of the
cushion devices 18 has alinkage 20, awheel 22, anelastic member 24, which is a spring in the embodiment, and amount 26. Thelinkage 20 has twoparallel arms 28 and aplate 30 fixed to thearms 28. Theplate 30 has abore 32 between thearms 32. Thearms 28 have inner ends pivoted on a bottom of thedeck 12 and outer ends pivoted with thewheel 22. Thewheel 22 is rested on the ground for running. Themount 26 is fixed to the bottom of thedeck 12 with ashaft 34 through thebore 32 of theplate 30 of thelinkage 20. Anut 36 is screwed to the distal end of theshaft 34 and against theplate 30. Thespring 24 is fitted to theshaft 34 with opposite ends urging themount 26 and theplate 30 of thelinkage 20 respectively. - As shown in
FIG. 3 , when an user (not shown) is running or walking on therunning belt 14 of the treadmill of the present invention, the steps will provide vibrations from various orientations and transmit to thelinkages 20 of thecushion devices 18. In analysis of mechanics, the force of vibrations form every orientation to thelinkages 20 can be resolved into a normal component (Fn) and a horizontal component (Fs). The normal component (Fn) will swing thelinkages 20 and compress thespring 24, as shown inFIG. 3 . When the vibration is gone, thespring 24 will force thelinkages 20 back to the initial position, as shown inFIG. 2 . - The ratio of the normal component (Fn) and the horizontal component (Fs) is relative to an angle θ between the
linkage 20 and ground. When the value of the normal component (Fn) is positive related to the angle θ. The present invention recommends the angle θ is less than 45 degrees, and more preferred, the angle θ is between 25 degrees and 35 degrees. - In operation, the
nut 36 may be screwed to adjust the pre-compression of thespring 24.FIG. 3 shows thespring 24 in the condition of less pre-compression, which provides thecushion device 18 with a “soft” cushion capacity.FIG. 5 shows thenut 36 is screwed to compress thespring 24 much. Thecushion device 18 ofFIG. 5 will provide a “hard” cushion capacity.
Claims (7)
1. A cushion device, which is mounted on an exercise machine to absorb vibration, comprising a linkage having an end pivot on a bottom of the exercise machine to be swung by the vibration; and an elastic member having opposite end urging the exercise machine and the linkage respectively to be elastically deformed when the linkage is swung, wherein an angle between the linkage and the ground is less than ninety degrees.
2. The cushion device as defined in claim 1 , further comprising a mount fixed to the exercise machine, which has a shaft through a bore of the linkage and a nut screwed to a distal end of the shaft, wherein the elastic member is fitted to the shaft.
3. The cushion device as defined in claim 1 , further comprising a wheel pivoted on the linkage to touch the ground.
4. The cushion device as defined in claim 1 , wherein the linkage includes two substantially parallel arms and a plate connected to the arms.
5. The cushion device as defined in claim 4 , further comprising a wheel between the arms and pivoted thereon to touch the ground.
6. The cushion device as defined in claim 4 , further comprising a mount fixed to the exercise machine, wherein the mount has a shaft though a bore on the plate with a nut screwed to a distal end thereof and the elastic member is fitted to the shaft.
7. The cushion device as defined in claim 1 , wherein the angle between the linkage and the ground is preferred less than forty-five degrees.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/385,691 US20070225127A1 (en) | 2006-03-22 | 2006-03-22 | Cushion device for exercise machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/385,691 US20070225127A1 (en) | 2006-03-22 | 2006-03-22 | Cushion device for exercise machine |
Publications (1)
Publication Number | Publication Date |
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US20070225127A1 true US20070225127A1 (en) | 2007-09-27 |
Family
ID=38534206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/385,691 Abandoned US20070225127A1 (en) | 2006-03-22 | 2006-03-22 | Cushion device for exercise machine |
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Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090082176A1 (en) * | 2007-09-26 | 2009-03-26 | Icon Health & Fitness, Inc. | Exercise devices, components for exercise devices and related methods |
US20090124466A1 (en) * | 2007-11-09 | 2009-05-14 | Johnson Health Tech Co., Ltd. | Treadmill having a compact shape |
US20120178590A1 (en) * | 2011-01-10 | 2012-07-12 | Tai-Yang Lu | Weight-Based Cushion-Adjusting Apparatus |
US8435160B1 (en) | 2011-02-07 | 2013-05-07 | Gerald M. Clum | Shock-absorbing treadmill |
WO2016095862A1 (en) * | 2014-12-18 | 2016-06-23 | 浙江风尚科技有限公司 | Independent suspension damping mechanism for walking platform of treadmill |
US20160287930A1 (en) * | 2015-04-02 | 2016-10-06 | George Moser | Treadmill |
US20180099180A1 (en) * | 2016-10-12 | 2018-04-12 | Icon Health & Fitness, Inc. | Retractable Caster in an Exercise Machine |
US10188890B2 (en) | 2013-12-26 | 2019-01-29 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
US10238912B2 (en) * | 2017-03-15 | 2019-03-26 | Ying Liang Health Tech. Co., Ltd. | Curved treadmill |
US10252109B2 (en) | 2016-05-13 | 2019-04-09 | Icon Health & Fitness, Inc. | Weight platform treadmill |
US10258828B2 (en) | 2015-01-16 | 2019-04-16 | Icon Health & Fitness, Inc. | Controls for an exercise device |
US10272317B2 (en) | 2016-03-18 | 2019-04-30 | Icon Health & Fitness, Inc. | Lighted pace feature in a 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 |
US10343017B2 (en) | 2016-11-01 | 2019-07-09 | Icon Health & Fitness, Inc. | Distance sensor for console positioning |
US10376736B2 (en) | 2016-10-12 | 2019-08-13 | Icon Health & Fitness, Inc. | Cooling an exercise device during a dive motor runway condition |
US10426989B2 (en) | 2014-06-09 | 2019-10-01 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
US10433612B2 (en) | 2014-03-10 | 2019-10-08 | Icon Health & Fitness, Inc. | Pressure sensor to quantify work |
US10441844B2 (en) | 2016-07-01 | 2019-10-15 | Icon Health & Fitness, Inc. | Cooling systems and methods for exercise equipment |
US10471299B2 (en) | 2016-07-01 | 2019-11-12 | Icon Health & Fitness, Inc. | Systems and methods for cooling internal exercise equipment components |
US10493349B2 (en) | 2016-03-18 | 2019-12-03 | Icon Health & Fitness, Inc. | Display on exercise device |
US10500473B2 (en) | 2016-10-10 | 2019-12-10 | Icon Health & Fitness, Inc. | Console positioning |
US10543395B2 (en) | 2016-12-05 | 2020-01-28 | Icon Health & Fitness, Inc. | Offsetting treadmill deck weight during operation |
US10561894B2 (en) | 2016-03-18 | 2020-02-18 | Icon Health & Fitness, Inc. | Treadmill with removable supports |
US10625137B2 (en) | 2016-03-18 | 2020-04-21 | Icon Health & Fitness, Inc. | Coordinated displays in an exercise device |
US10661114B2 (en) | 2016-11-01 | 2020-05-26 | Icon Health & Fitness, Inc. | Body weight lift mechanism on treadmill |
CN111408101A (en) * | 2020-04-21 | 2020-07-14 | 胡日都胡 | Aerobic fitness equipment with buffering and vibration damping functions |
US10729965B2 (en) | 2017-12-22 | 2020-08-04 | Icon Health & Fitness, Inc. | Audible belt guide in a treadmill |
US10953305B2 (en) | 2015-08-26 | 2021-03-23 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US11058913B2 (en) * | 2017-12-22 | 2021-07-13 | Icon Health & Fitness, Inc. | Inclinable exercise machine |
US11451108B2 (en) | 2017-08-16 | 2022-09-20 | Ifit Inc. | Systems and methods for axial impact resistance in electric motors |
US11458356B2 (en) | 2020-02-14 | 2022-10-04 | Life Fitness, Llc | Systems and methods for adjusting a stiffness of fitness machines |
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Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7815550B2 (en) * | 2007-09-26 | 2010-10-19 | Icon Health & Fitness, Inc. | Exercise devices, components for exercise devices and related methods |
US20090082176A1 (en) * | 2007-09-26 | 2009-03-26 | Icon Health & Fitness, Inc. | Exercise devices, components for exercise devices and related methods |
US20090124466A1 (en) * | 2007-11-09 | 2009-05-14 | Johnson Health Tech Co., Ltd. | Treadmill having a compact shape |
US20120178590A1 (en) * | 2011-01-10 | 2012-07-12 | Tai-Yang Lu | Weight-Based Cushion-Adjusting Apparatus |
US8435160B1 (en) | 2011-02-07 | 2013-05-07 | Gerald M. Clum | Shock-absorbing treadmill |
US10279212B2 (en) | 2013-03-14 | 2019-05-07 | Icon Health & Fitness, Inc. | Strength training apparatus with flywheel and related methods |
US10188890B2 (en) | 2013-12-26 | 2019-01-29 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
US10433612B2 (en) | 2014-03-10 | 2019-10-08 | Icon Health & Fitness, Inc. | Pressure sensor to quantify work |
US10426989B2 (en) | 2014-06-09 | 2019-10-01 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
WO2016095862A1 (en) * | 2014-12-18 | 2016-06-23 | 浙江风尚科技有限公司 | Independent suspension damping mechanism for walking platform of treadmill |
US9937375B2 (en) * | 2014-12-18 | 2018-04-10 | Zhe Jiang Feng Shang Technology Co., Ltd. | Independent suspension vibration damping mechanism of running platform of a treadmill |
US10258828B2 (en) | 2015-01-16 | 2019-04-16 | Icon Health & Fitness, Inc. | Controls for an exercise device |
US20160287930A1 (en) * | 2015-04-02 | 2016-10-06 | George Moser | Treadmill |
US9814929B2 (en) * | 2015-04-02 | 2017-11-14 | George Moser | Treadmill |
US10953305B2 (en) | 2015-08-26 | 2021-03-23 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US10293211B2 (en) | 2016-03-18 | 2019-05-21 | Icon Health & Fitness, Inc. | Coordinated weight selection |
US10561894B2 (en) | 2016-03-18 | 2020-02-18 | Icon Health & Fitness, Inc. | Treadmill with removable supports |
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