US20100022356A1 - Inertia load mechanism of a reciprocating exercise equipment - Google Patents

Inertia load mechanism of a reciprocating exercise equipment Download PDF

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Publication number
US20100022356A1
US20100022356A1 US12/177,150 US17715008A US2010022356A1 US 20100022356 A1 US20100022356 A1 US 20100022356A1 US 17715008 A US17715008 A US 17715008A US 2010022356 A1 US2010022356 A1 US 2010022356A1
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Prior art keywords
pendulum
exercise
magnetic induction
induction plate
reciprocating
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Abandoned
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US12/177,150
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Leao Wang
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0002Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
    • A63B22/001Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • A63B2022/067Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement with crank and handles being on opposite sides of the exercising apparatus with respect to the frontal body-plane of the user, e.g. the crank is behind and handles are in front of the user
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/023Supports, e.g. poles
    • A63B2071/025Supports, e.g. poles on rollers or wheels
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005Exercising 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

Definitions

  • the present invention relates to an inertia load mechanism of a reciprocating exercise equipment, and more particularly to an innovative mechanism that prevents sport injuries.
  • Reciprocating exercise equipment refers to exercise and fitness equipment such as elliptical exercise machine, a rowing exercise machine, a treadmill, a dumbbell or a waist twisting exercise machine.
  • exercise training equipments are nothing more than providing a reciprocating exercise such as a back-and-forth, up-and-down, lift-and-drop, pull-and-release, or left-and-right movement of a certain part of our body including hands, legs or waist.
  • a circular moving inertia load flywheel 10 is operated together with an exercise link rod 11 to complete a back-and-forth elliptical exercise status 12 .
  • the inertia load flywheel 10 not only provides an appropriate exercise load (or resistance of an exercise) for the exercise link rod 11 , but also drives the exercise link rod 11 to move reciprocally by the inertia operating function of the inertia load flywheel 10 .
  • the exerciser's leg While an exerciser is doing a natural treadmill reciprocating exercise, the exerciser's leg is lifted to a maximum height and then lowered in an opposite direction, the moving speed slows down naturally or the movement may even stop, so that the exerciser's muscle has sufficient response time to line up with the change of a moving direction.
  • the above applies in a situation when the exerciser lowers a leg, stands stably or switches exercising another leg.
  • the speed of the exercise is faster when the reciprocating movement of the exerciser's body is situated at a linear displacement stage, and the speed of the exercise is slower when the reciprocating movement is carried out to a stage of maximum height and changes its moving direction, so as to comply with the physiological mechanism of exercising a human body and eliminate a possible sport injury.
  • the speed of a reciprocating movement can be maintained constant with the assistance of a conventional inertia load flywheel, but when the direction of the exercise's limbs is switched, there is no mechanism to retard the speed, and the inertia load flywheel produces a mechanical inertia driving vector.
  • the exerciser's muscle has insufficient time for the preparation of responding to the change of a moving direction, and sport injuries may be resulted unnoticeably in this case, and exercisers do not know about the injury until they feel the pain.
  • a pendulum load mechanism is installed to an exercise link rod of a reciprocating exercise equipment, such that the pendulum load mechanism forms an inertia link and gives an exercise resistance. If the moving link rod of the reciprocating exercise equipment is at a moment of changing its exercise direction, the speed of changing direction of the pendulum load mechanism will be slowed down by the gravitational force, so that an exerciser's muscle has sufficient response time for the change of the exercise direction to eliminate a possible sport injury.
  • FIG. 1 is a perspective view of a preferred embodiment of the invention
  • FIG. 2 is a partial front view of a pendulum load mechanism of the invention
  • FIG. 3 is a planar view of FIG. 1 ;
  • FIG. 4 is a schematic view of exercising the mechanism as depicted in FIG. 1 ;
  • FIG. 5 is a planar view of another preferred embodiment of the invention.
  • FIG. 6 is a schematic view of operating the mechanism as depicted in FIG. 5 ;
  • FIG. 7 is a planar view of a further preferred embodiment of the invention.
  • FIG. 8 is a planar view of the mechanism as depicted in FIG. 7 ;
  • FIG. 9 is a schematic view of exercising a conventional flywheel load mechanism.
  • an end of a pedal link rod 22 with a pedal 21 is pivotally coupled to a pendulum 30 having a specific weight, and the pendulum 30 is limited by a swinging arm 31 and its axial connecting point 32 to swing sideway to left and right sides in a semicircular path, and drive the pedal link rod 22 and its pedal 21 to perform a back-and-forth inertia displacement movement.
  • the pendulum 30 While the pendulum 30 is swinging sideway to a maximum height, the speed of exercise is retarded naturally due to the gravitational force, and then the swinging speed driven by an exerciser is resumed after the pendulum falls in an opposite direction.
  • the pendulum 30 provides a resistance effect to an exercise load due to its own weight, and also provides a basic condition for the pedal link rod 22 to produce an inertia movement. If the reciprocating movement of the pedal link rod 22 is situated at a unidirectional linear displacement stage, the speed of the exercise is accelerated due to the gravitational force of the pendulum 30 (or an inertia swing produced by the gravitational acceleration of a free falling object). If the reciprocating exercise is carried out to a stage of the maximum height and the direction of an exercise is changed, the speed of the exercise will be retarded naturally, so as to comply with the physiological mechanism of exercising a human body and eliminate possible sport injuries.
  • the quantity of installed pendulums 30 may vary according to actual need or economic consideration, such as an application of a single pendulum 30 with two pedal link rods 22 , or one pendulum 30 for each pedal link rod 22 to achieve the expected effect and performance. If more than one pendulum 30 is installed, a link module can be used to link each pendulum 30 as shown in FIGS. 1 to 6 , and this embodiment adopts a bevel gear set 40 to link the pendulums 30 on left and right sides.
  • link is a basic mechanical connection and the installation of a gear structure is a prior art, and thus they will not be described here.
  • a magnetic induction plate 51 is installed on a side of the pendulum 30 and at a position adjacent to a magnetroresistance mechanism 50 in accordance with the present invention, such that if the magnetic induction plate 51 is displaced with the pendulum 30 , the magnetic induction plate 51 will pass through an area of magnetic forces produced by the magnetroresistance mechanism 50 to give a non-frictional resistance.
  • An adjusting control mechanism 52 is provided for adjusting the distance between the magnetroresistance mechanism 50 and the magnetic induction plate 51 to adjust the resistance of an exercise.
  • the inertia load mechanism of the invention is applied to a waist twisting exercise equipment 60
  • the equipment 60 comprises a handle 61 , a rotating disc 62 and a vertical axle 63 , wherein a plurality of link gears 64 , 65 , 66 are pivotally coupled to the base 67 and disposed at the bottom of the handle 61 , the rotating disc 62 and the vertical axle 63 respectively, and a transversal bevel gear 631 is installed at the top of the vertical axle 63 , and a longitudinal bevel gear 68 is provided for driving and swinging a pendulum 69 .
  • each link gear 64 , 65 , 66 installed at the bottom of the two modules will be rotated reciprocally in an expected way due to the link relation.
  • the vertical axle 63 and its transversal bevel gear 631 are rotated with the rotation of the link gear 66 accordingly, so that the pendulum 69 driven by the longitudinal bevel gear 68 produces a movement to left and right sides in a semicircular path, and this embodiment achieves the same expected exercise effect as the foregoing embodiments.

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  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

In an inertia load mechanism of a reciprocating exercise equipment, a pendulum load mechanism is installed to an exercise link rod of a reciprocating exercise equipment, such that the pendulum load mechanism forms an inertia link and gives an exercise resistance. If the moving link rod of the reciprocating exercise equipment is at a moment of changing its exercise direction, the speed of changing direction of the pendulum load mechanism will be slowed down by the gravitational force, so that an exerciser's muscle has sufficient response time for the change of the exercise direction to eliminate a possible sport injury.

Description

    BACKGROUND OF THE INVENTION
  • 1. Fields of the Invention
  • The present invention relates to an inertia load mechanism of a reciprocating exercise equipment, and more particularly to an innovative mechanism that prevents sport injuries.
  • 2. Description of the Related Art
  • Reciprocating exercise equipment refers to exercise and fitness equipment such as elliptical exercise machine, a rowing exercise machine, a treadmill, a dumbbell or a waist twisting exercise machine. As we all know, such exercise training equipments are nothing more than providing a reciprocating exercise such as a back-and-forth, up-and-down, lift-and-drop, pull-and-release, or left-and-right movement of a certain part of our body including hands, legs or waist. With reference to FIG. 9 for a general conventional reciprocating exercise mechanism (usually applied in an elliptical exercise equipment), a circular moving inertia load flywheel 10 is operated together with an exercise link rod 11 to complete a back-and-forth elliptical exercise status 12. In FIG. 9, the inertia load flywheel 10 not only provides an appropriate exercise load (or resistance of an exercise) for the exercise link rod 11, but also drives the exercise link rod 11 to move reciprocally by the inertia operating function of the inertia load flywheel 10.
  • As to the principle of mechanical exercise, an installation of the aforementioned conventional exercise mechanisms has its advantage on basic structure. As to the principle of physiological exercise, the characteristics and conditions of these mechanical exercises are major causes of sport injuries. Now, a treadmill is used as an example for the illustration as follows.
  • While an exerciser is doing a natural treadmill reciprocating exercise, the exerciser's leg is lifted to a maximum height and then lowered in an opposite direction, the moving speed slows down naturally or the movement may even stop, so that the exerciser's muscle has sufficient response time to line up with the change of a moving direction. Similarly, the above applies in a situation when the exerciser lowers a leg, stands stably or switches exercising another leg. In short, the speed of the exercise is faster when the reciprocating movement of the exerciser's body is situated at a linear displacement stage, and the speed of the exercise is slower when the reciprocating movement is carried out to a stage of maximum height and changes its moving direction, so as to comply with the physiological mechanism of exercising a human body and eliminate a possible sport injury.
  • The speed of a reciprocating movement can be maintained constant with the assistance of a conventional inertia load flywheel, but when the direction of the exercise's limbs is switched, there is no mechanism to retard the speed, and the inertia load flywheel produces a mechanical inertia driving vector. As a result, the exerciser's muscle has insufficient time for the preparation of responding to the change of a moving direction, and sport injuries may be resulted unnoticeably in this case, and exercisers do not know about the injury until they feel the pain.
  • SUMMARY OF THE INVENTION
  • In view of the shortcomings of the prior art including an appropriate design concept of the conventional reciprocating exercise equipment and the serious sport injury caused by doing exercising with the reciprocating exercise equipment such as the aforementioned circular flywheel with an inertia load, the inventor of the present invention based on years of experience in the related industry to conduct extensive researches and experiments, and finally developed an inertia load exercise mechanism of a reciprocating exercise equipment in accordance with the present invention to overcome the foregoing shortcomings of the prior art.
  • It is a primary object of the invention to overcome the shortcomings of the prior art by providing an inertia load exercise mechanism of a reciprocating exercise equipment wherein the principle of swinging a pendulum and its inertia load mechanism are adopted to replace the existing flywheel mechanism, and the invention fully complies with the natural exercising rhythm of a human body, and thus the invention can eliminate a possible sport injury.
  • According to an inertia load mechanism of a reciprocating exercise equipment of the invention, a pendulum load mechanism is installed to an exercise link rod of a reciprocating exercise equipment, such that the pendulum load mechanism forms an inertia link and gives an exercise resistance. If the moving link rod of the reciprocating exercise equipment is at a moment of changing its exercise direction, the speed of changing direction of the pendulum load mechanism will be slowed down by the gravitational force, so that an exerciser's muscle has sufficient response time for the change of the exercise direction to eliminate a possible sport injury.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The accomplishment of this and other objects of the invention will become apparent from the following description and its accompanying drawings of which:
  • FIG. 1 is a perspective view of a preferred embodiment of the invention;
  • FIG. 2 is a partial front view of a pendulum load mechanism of the invention;
  • FIG. 3 is a planar view of FIG. 1;
  • FIG. 4 is a schematic view of exercising the mechanism as depicted in FIG. 1;
  • FIG. 5 is a planar view of another preferred embodiment of the invention;
  • FIG. 6 is a schematic view of operating the mechanism as depicted in FIG. 5;
  • FIG. 7 is a planar view of a further preferred embodiment of the invention;
  • FIG. 8 is a planar view of the mechanism as depicted in FIG. 7; and
  • FIG. 9 is a schematic view of exercising a conventional flywheel load mechanism.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • The technical measures and structural characteristics of the present invention will become apparent with the detailed description of preferred embodiments and related drawings as follows.
  • With reference to FIGS. 1 to 4 for an elliptical exercise equipment 20 in accordance with a preferred embodiment of the present invention, an end of a pedal link rod 22 with a pedal 21 is pivotally coupled to a pendulum 30 having a specific weight, and the pendulum 30 is limited by a swinging arm 31 and its axial connecting point 32 to swing sideway to left and right sides in a semicircular path, and drive the pedal link rod 22 and its pedal 21 to perform a back-and-forth inertia displacement movement.
  • While the pendulum 30 is swinging sideway to a maximum height, the speed of exercise is retarded naturally due to the gravitational force, and then the swinging speed driven by an exerciser is resumed after the pendulum falls in an opposite direction. In other words, the pendulum 30 provides a resistance effect to an exercise load due to its own weight, and also provides a basic condition for the pedal link rod 22 to produce an inertia movement. If the reciprocating movement of the pedal link rod 22 is situated at a unidirectional linear displacement stage, the speed of the exercise is accelerated due to the gravitational force of the pendulum 30 (or an inertia swing produced by the gravitational acceleration of a free falling object). If the reciprocating exercise is carried out to a stage of the maximum height and the direction of an exercise is changed, the speed of the exercise will be retarded naturally, so as to comply with the physiological mechanism of exercising a human body and eliminate possible sport injuries.
  • The quantity of installed pendulums 30 may vary according to actual need or economic consideration, such as an application of a single pendulum 30 with two pedal link rods 22, or one pendulum 30 for each pedal link rod 22 to achieve the expected effect and performance. If more than one pendulum 30 is installed, a link module can be used to link each pendulum 30 as shown in FIGS. 1 to 6, and this embodiment adopts a bevel gear set 40 to link the pendulums 30 on left and right sides. However, such link is a basic mechanical connection and the installation of a gear structure is a prior art, and thus they will not be described here.
  • With reference to FIGS. 5 and 6, a magnetic induction plate 51 is installed on a side of the pendulum 30 and at a position adjacent to a magnetroresistance mechanism 50 in accordance with the present invention, such that if the magnetic induction plate 51 is displaced with the pendulum 30, the magnetic induction plate 51 will pass through an area of magnetic forces produced by the magnetroresistance mechanism 50 to give a non-frictional resistance. An adjusting control mechanism 52 is provided for adjusting the distance between the magnetroresistance mechanism 50 and the magnetic induction plate 51 to adjust the resistance of an exercise.
  • With reference to FIGS. 7 and 8 for planar views of another preferred embodiment of the invention, the inertia load mechanism of the invention is applied to a waist twisting exercise equipment 60, the equipment 60 comprises a handle 61, a rotating disc 62 and a vertical axle 63, wherein a plurality of link gears 64, 65, 66 are pivotally coupled to the base 67 and disposed at the bottom of the handle 61, the rotating disc 62 and the vertical axle 63 respectively, and a transversal bevel gear 631 is installed at the top of the vertical axle 63, and a longitudinal bevel gear 68 is provided for driving and swinging a pendulum 69.
  • When the handle 61 and the rotating disc 62 are moving in opposite directions (while we are doing a waist twisting exercise), each link gear 64, 65, 66 installed at the bottom of the two modules will be rotated reciprocally in an expected way due to the link relation. Similarly, the vertical axle 63 and its transversal bevel gear 631 are rotated with the rotation of the link gear 66 accordingly, so that the pendulum 69 driven by the longitudinal bevel gear 68 produces a movement to left and right sides in a semicircular path, and this embodiment achieves the same expected exercise effect as the foregoing embodiments.
  • Many changes and modifications in the above-described embodiments of the invention can, of course, be carried out without departing from the scope thereof. Accordingly, to promote the progress in science and the useful arts, the invention is disclosed and is intended to be limited only by the scope of the appended claims.

Claims (7)

1. An inertia load mechanism of a reciprocating exercise equipment, characterized in that a pendulum load mechanism is installed to a connecting link rod of said reciprocating exercise equipment, such that said pendulum load mechanism constitutes an inertia link and gives a resistance effect of an exercise load.
2. The inertia load mechanism of a reciprocating exercise equipment as recited of claim 1, wherein said pendulum load mechanism comprises a pendulum, an axial connecting point used for positioning, and a swinging arm, such that said pendulum is swung to left and right sides in a substantially semicircular path.
3. The inertia load mechanism of a reciprocating exercise equipment as recited in claim 1, wherein a magnetic induction plate is installed at a side of said pendulum load mechanism, and a magnetroresistance mechanism is installed at a position adjacent to said magnetic induction plate, such that when said magnetic induction plate is displaced with said pendulum, said magnetic induction plate is passed through an area of magnetic forces produced by said magnetroresistance mechanism to generate an exercise resistance, and an adjusting control mechanism is provided for adjusting the distance between said magnetroresistance mechanism and said magnetic induction plate to adjust said exercise resistance.
4. An inertia load mechanism of a reciprocating exercise equipment, characterized in that an end of a pedal link rod of said reciprocating elliptical exercise equipment is pivotally coupled to a pendulum having a specific weight, and said pendulum is restricted by a swinging arm and an axial connecting point of said swinging arm to swing to left and right sides in a substantially semicircular path, and said pedal link rod produces a back-and-forth inertia displacing movement.
5. The inertia load mechanism of a reciprocating exercise equipment as recited in claim 4, wherein a magnetic induction plate is installed at a side of said pendulum, and a magnetroresistance mechanism is installed at a position adjacent to said magnetic induction plate, such that when said magnetic induction plate is displaced with said pendulum, said magnetic induction plate is passed through an area of magnetic forces produced by said magnetroresistance mechanism to generate an exercise resistance, and an adjusting control mechanism is provided for adjusting the distance between said magnetroresistance mechanism and said magnetic induction plate to adjust said exercise resistance.
6. An inertia load mechanism of a reciprocating exercise equipment,
wherein a waist twisting exercise equipment 60 comprises a handle, a rotating disc and a vertical axle;
wherein a plurality of link gears are pivotally coupled to the base and disposed at the bottom of the handle, the rotating disc and the vertical axle respectively; and
wherein a transversal bevel gear is installed at the top of the vertical axle, and a longitudinal bevel gear is provided for driving and swinging a pendulum so as to achieve a semicircular swing to the right and left sides.
7. The inertia load mechanism of a reciprocating exercise equipment as recited in claim 6, wherein a magnetic induction plate is installed at a side of said pendulum, and a magnetroresistance mechanism is installed at a position adjacent to said magnetic induction plate, such that when said magnetic induction plate is displaced with said pendulum, said magnetic induction plate is passed through an area of magnetic forces produced by said magnetroresistance mechanism to generate an exercise resistance, and an adjusting control mechanism is provided for adjusting the distance between said magnetroresistance mechanism and said magnetic induction plate to adjust said exercise resistance.
US12/177,150 2008-07-22 2008-07-22 Inertia load mechanism of a reciprocating exercise equipment Abandoned US20100022356A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100179034A1 (en) * 2009-01-12 2010-07-15 Leao Wang Position-limiting apparatus of a pendulum mechanism of an exercise equipment
US20170124220A1 (en) * 2015-10-30 2017-05-04 Splunk Inc. Search interface with search query history based functionality
CN112915470A (en) * 2021-01-29 2021-06-08 重庆工程职业技术学院 Training device for physical fitness

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Publication number Priority date Publication date Assignee Title
US4798395A (en) * 1984-06-07 1989-01-17 Shaffer Don T Cycle apparatus having therapeutic and utility aspects
US5749809A (en) * 1997-06-20 1998-05-12 Lin; Ting Fung Stepping and swinging exerciser
US5833582A (en) * 1997-09-29 1998-11-10 Chen; George Body exerciser
US5888177A (en) * 1998-06-12 1999-03-30 Lin; Ting Fung Swinging and stepping exerciser
US20060166795A1 (en) * 2005-01-21 2006-07-27 Alberto Domenge Inertial exerciser and entertainment device
US20080020902A1 (en) * 2006-07-14 2008-01-24 Arnold Peter J Pendulous exercise device
US20080248928A1 (en) * 2007-04-04 2008-10-09 Chu Yong S Elliptical walking exercice machine
US7520839B2 (en) * 2003-12-04 2009-04-21 Rodgers Jr Robert E Pendulum striding exercise apparatus
US7530926B2 (en) * 2003-12-04 2009-05-12 Rodgers Jr Robert E Pendulum striding exercise devices

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798395A (en) * 1984-06-07 1989-01-17 Shaffer Don T Cycle apparatus having therapeutic and utility aspects
US5749809A (en) * 1997-06-20 1998-05-12 Lin; Ting Fung Stepping and swinging exerciser
US5833582A (en) * 1997-09-29 1998-11-10 Chen; George Body exerciser
US5888177A (en) * 1998-06-12 1999-03-30 Lin; Ting Fung Swinging and stepping exerciser
US7520839B2 (en) * 2003-12-04 2009-04-21 Rodgers Jr Robert E Pendulum striding exercise apparatus
US7530926B2 (en) * 2003-12-04 2009-05-12 Rodgers Jr Robert E Pendulum striding exercise devices
US20090181828A1 (en) * 2003-12-04 2009-07-16 Rodgers Jr Robert E Pendulum striding exercise devices
US7708669B2 (en) * 2003-12-04 2010-05-04 Rodgers Jr Robert E Pendulum striding exercise apparatus
US20060166795A1 (en) * 2005-01-21 2006-07-27 Alberto Domenge Inertial exerciser and entertainment device
US20080020902A1 (en) * 2006-07-14 2008-01-24 Arnold Peter J Pendulous exercise device
US20080248928A1 (en) * 2007-04-04 2008-10-09 Chu Yong S Elliptical walking exercice machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100179034A1 (en) * 2009-01-12 2010-07-15 Leao Wang Position-limiting apparatus of a pendulum mechanism of an exercise equipment
US20170124220A1 (en) * 2015-10-30 2017-05-04 Splunk Inc. Search interface with search query history based functionality
CN112915470A (en) * 2021-01-29 2021-06-08 重庆工程职业技术学院 Training device for physical fitness

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