GB2385803A - Self-powered fitness equipment - Google Patents
Self-powered fitness equipment Download PDFInfo
- Publication number
- GB2385803A GB2385803A GB0304419A GB0304419A GB2385803A GB 2385803 A GB2385803 A GB 2385803A GB 0304419 A GB0304419 A GB 0304419A GB 0304419 A GB0304419 A GB 0304419A GB 2385803 A GB2385803 A GB 2385803A
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- United Kingdom
- Prior art keywords
- generator
- energy storage
- storage medium
- electric energy
- user
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0053—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0053—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos
- A63B21/0054—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos for charging a battery
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0053—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos
- A63B21/0055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos the produced electric power used as a source for other equipment, e.g. for TVs
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
- A63B22/0023—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the inclination of the main axis of the movement path being adjustable, e.g. the inclination of an endless band
-
- 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
- A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
- A63B22/0017—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the adjustment being controlled by movement of the user
- A63B2022/002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the adjustment being controlled by movement of the user electronically, e.g. by using a program
-
- 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
- A63B22/06—Exercising 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
- A63B22/0664—Exercising 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
- A63B2022/067—Exercising 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
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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
- A63B21/22—Resisting devices with rotary bodies
- A63B21/225—Resisting devices with rotary bodies with flywheels
-
- 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
- A63B22/20—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
- A63B22/201—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track
- A63B22/205—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track in a substantially vertical plane, e.g. for exercising against gravity
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
A self-powered fitness device, for example to simulate various types of stepping motions is provided. The device includes a frame (10), a guide (20) movably associated with the frame, and first and second foot supports (22a, 22b) coupled to the guide. The device further includes a generator (32) coupled to the first and second foot supports, which is actuated to produce power by the user's stepping motions. The device also includes a battery coupled to the generator to store at least part of the power produced by the generator. Finally, the device includes a lift system (24) for automatically changing at least one of the elevation and the angular orientation of the guide relative to the frame. Since the lift system is powered by both the generator and the battery, actuation of the lift system will not alter the resistance to the user pedaling the foot supports during exercising.
Description
<Desc/Clms Page number 1>
SELF-POWERED FITNESS EQUIPMENT
FIELD OF THE INVENTION The present invention relates to exercise equipment, and more specifically to a self-powered stationary exercise device including an electrical energy storage medium for actuating certain components of the exercise device.
In a preferred arrangement the resistance felt by the user is maintained substantially constant during the device's use.
BACKGROUND OF THE INVENTION A stationary exercise device that can simulate a wide range of stepping motions, including skiing, walking, jogging, running and climbing, is known under the trademark of EFX Elliptical Fitness Crosstraininge and is available from Precor Incorporated of Bothell, Washington. Some embodiments of
Elliptical Fitness Crosstrainings machines are described in U. S. Patent No.
6,146, 313, which is explicitly incorporated by reference herein.
Briefly, referring to Figure 1, a prior art Elliptical Fitness Crosstraining' machine includes a floor engaging frame 10 incorporating a forward post 12.
A pair of flywheels 14a and 14b (overlapping with each other and thus only flywheel 14a is shown) are located at the rear of the frame 10 for rotation about a horizontal, transverse axis 16. The rearward ends of foot links 18a and 18b are pivotally attached to corresponding flywheels 14a and 14b to travel about a circular path around axis 16 as the flywheels rotate. The forward ends of foot links 18a and 18b are movably mounted to an adjustable guide 20. The forward ends of foot links 18a and 18b are adapted to ride along guide 20, to reciprocate back and forth therealong, as the rearward ends of foot links 18a and 18b rotate about axis 16, causing foot pedals (or foot supports) 22a and
<Desc/Clms Page number 2>
22b carried by the foot links to travel along variouse lliptical paths. Specifically, Figure 1 shows the path of travel of the foot pedal at three different angular orientations of guide 20 corresponding to different elevations of a lift system 24. In the smallest angular orientation (approximately 10 above the horizontal), the corresponding foot pedal travel path 26 is illustrated. This generally corresponds to a gliding or cross-country skiing motion. The guide 20 is shown at a second orientation at a steeper angle, approximately 20 from the horizontal, with the corresponding foot pedal travel path 28. This path of travel generally corresponds to a walking motion. Figure 1 also illustrates a third, even steeper, angular orientation of the guide 20, approximately 30 from the horizontal, with the corresponding foot pedal travel path 30. This path of travel generally corresponds to a climbing motion.
Additionally or alternatively to changing the angular orientation of guide 20, changing the elevation of guide 20 relative to the frame 10 will also cause the path of travel of the foot pedals to change. The Elliptical Fitness Crosstrainings machine of this type is connectable to a standard amperage AC power supply.
SUMMARY OF THE INVENTION The present invention is directed to providing self-powered fitness equipment, such as a self-powered Elliptical Fitness Crosstrainings machine.
According to one aspect of the invention we provide a self-powered fitness device to simulate various types of stepping motions, comprising: a frame; a guide movably associated with the frame; a foot support for receiving a user's feet, the foot support being coupled to the guide; a generator coupled to the foot support, the arrangement being such that, in use, the generator is actuated to produce electric power by the user's stepping motions acting on the foot support;
<Desc/Clms Page number 3>
an electric energy storage medium coupled to the generator and so arranged as, in use, to store at least part of the power produced by the generator; a lift system adapted to selectivity and automatically change at least one of the elevation and the angular orientation of the guide relative to the frame, the lift system being powered by both the generator and the electric energy storage medium; and a microprocessor coupled to the generator, the electric energy storage medium, and the lift system and so configured as to co-ordinate their respective operations, the microprocessor being powered by the generator.
The electric energy storage medium preferably comprises a battery.
Since the lift system is powered by both the generator and the battery, actuation of the lift system will not alter the resistance to the user pedalling the foot support during exercising.
In accordance with one preferable feature of the present invention, the device may be configured so that the battery will power the device for a predefined period of time even after the user stops pedalling.
As will be apparent to those skilled in the art, the use of a battery to activate an actuator (e. g. , a lift system) of a fitness device so as to maintain a substantially constant resistance to the user can be applied in various types of fitness equipment, and is not limited to an Elliptical Fitness Crosstrainingo machine.
The invention is applicable to various types of self-powered fitness devices provided with an actuable component (e. g. a guide), with the aim of reducing
<Desc/Clms Page number 4>
changes in the resistance for the user associated with actuation of the component.
According to a second aspect of the invention we provide a self-powered fitness device, comprising: a frame; an actuatable component associated with the frame; an exercise input unit so arranged as, in use, to translate exercise of a portion of a user's body into a predefined motive force; a generator coupled to the exercise input unit, the arrangement being such that, in use, the generator is activated to produce electric power by the user's exercising motions via the exercise input unit; an electric energy storage medium so coupled to the generator as, in use, to store at least part of the power generated by the generator; and an actuator adapted to selectively and automatically actuate the actuatable component, the actuator being powered by both the generator and the electric energy storage medium.
According to a third aspect of the invention we provide a method of selfpowering a fitness device, comprising: providing a fitness device comprising a frame, an actuatable component associated with the frame, an exercise input unit that translates exercise of a portion of a user's body into a predefined motive force, a generator coupled to the exercise input unit, an electric energy storage medium coupled to the generator, and an actuator for selectively and automatically actuating the actuatable component; allowing the user to exercise using the exercise input unit on the fitness device; producing power via the generator based on the user's exercising motions; storing at least part of the power generated by the generator in the electric energy storage medium; and
<Desc/Clms Page number 5>
powering the actuator for the actuatable component with both the generator and the electric energy storage medium.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be further described, by way of example only, with reference to the accompanying drawings in which:
Figure 1 is a side elevational view of a prior art Elliptical Fitness Crosstrainings machine shown in schematic form, illustrating the paths of the user's foot at different angular orientations of a guide for foot pedals.
Figure 2 is a perspective view of a self-powered Elliptical Fitness Crosstrainings machine formed in accordance with the present invention; and
Figure 3 is a block diagram illustrating electrical components of the machine of Figure 2.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to Figure 2, a self-powered fitness device to simulate various types of stepping motions in accordance with the present invention includes a frame 10, a guide 20 movably associated with the frame, and a pair of foot pedals (foot supports) 22a and 22b carried by elongated foot links 18a and 18b. The forward ends of the foot links 18a and 18b are movably supported by the guide 20. The device further includes a lift system 24 (enclosed in a forward hood 25) for selectively and automatically changing at least one of the elevation and angular orientation of the guide 20 relative to the frame 10. Thus, the user may readily adjust the guide 20 to simulate a wide range of stepping motions. These
<Desc/Clms Page number 6>
components are generally equivalent to those disclosed in U. S. Patent No.
6,146, 313 referred to in the background section above.
Referring additionally to Figure 3, in accordance with the present invention, the self-powered fitness device still further includes a generator 32 (enclosed in a rearward hood 34) drivably coupled to the first and second foot links 18a and 18b. The generator 32 is actuated to produce power by the user's stepping motions when the user's feet are in the first and second foot pedals 22a and 22b. In one embodiment, the generator 32 is formed of a three-phase AC generator including a DC permanent-magnet alternator, which produces a sinusoidal voltage proportional to its rotational speed (RPM). To actuate the generator 32 by the user's stepping motions, the generator is drivably coupled with the flywheels 14a and 14b coupled to the foot links 18a and 18b (see Figure 1) using any suitable transmission means such as a shaft, chain, transmission, or belt (not shown). The generator 32 is designed so as to produce a voltage even when a user is pedalling at very low speeds. The resistance on the pedals for the user is controlled by a resistance controller 36 based on the amount of current being demanded from the generator 32, i. e., the more current is demanded from the generator 32, the higher the level of torque required to power the generator 32, and the higher the resistance on the pedals.
For example, this can be accomplished by a CPU/microprocessor 60 determining the amount of current being demanded from the generator 32, and sending a corresponding command signal to the resistance controller 36. The resistance controller 36 responds by sending a corresponding field current signal (e. g. , pulse width modulated signal) to the generator 32. Changes in the field current signal varies the field current in the alternator in the generator 32, i. e., increasing current in the alternator field tends to increase the strength of its magnetic field, thereby increasing resistance of the alternator to the user; and decreasing current in the alternator field tends to decrease the strength of its magnetic field, thereby decreasing resistance of the alternator to the user.
The field current signal may be varied by the user's programming for imparting a desired level of resistance to the user. The voltage produced by the generator
<Desc/Clms Page number 7>
32 is used to power various components of the self-powered fitness device, as will be more fully described below.
This arrangement, without more, would require that whenever substantially more current is demanded from the generator 32, for the purpose of actuating the guide 20 in this example, the resistance on the pedals for the user will be increased. This is undesirable when the user wishes to continue exercising while maintaining a substantially constant resistance to his/her stepping motions.
Accordingly, still referring to Figure 3, the present invention provides a novel arrangement of a battery 48 to actuate the lift system 24 to move the guide 20 up and down, so as to maintain the resistance to the user substantially constant during exercising regardless of whether the guide 20 is activated or not.
Specifically, according to the present invention, the voltage from the generator 32 is rectified and converted into DC voltage via an AC-DC converter 38, which will then power a universal power supply 40. The universal power supply 40 will create an isolated power supply 42 (for example, 18 volts) and a non-isolated power supply 44 (for example, 12 volts). For safety regulations purposes, the 18-volt isolated power supply 42 is connected to a digital ground, which is isolated from the non-isolated power supply 44 connected to an analog ground, to completely isolate those components that may contact the user from any circuits powered directly from the AC generator 32 (see"isolation barrier" line in Figure 3). The non-isolated power supply 44 is used to operate the resistance controller 36.
In one embodiment, the 18-volt isolated power supply 42 is then converted into 14.5 volts for a battery charger 46 for charging the battery 48, which will be used to power the DC guide lift motor (actuator) 24 to move the guide 20 up and down, under the control of a lift controller 52. In place of a conventional battery, any type of electric energy storage medium may be used, as will be apparent to those skilled in the art. The isolated power supply 42 is also converted into 8 volts via a DC-DC converter 54 to power a display
<Desc/Clms Page number 8>
panel 56 of the fitness device. (See Figure 2, also. ) As well known in the art, the display 56 includes one or more display screens and a command console composed of a number of depressible buttons. The display screens are used for presenting various information useful to the user, while the command console is used to allow the user to activate or program the device. The 8 volts from the DC-DC converter 54 is further converted to 5 volts via a linear regulator 56 for powering a CPU and other peripherals 60. The CPU 60 coordinates the operation of the lift controller 52, the upper display 56, and the resistance controller 36.
Importantly, because the battery 48 is used to power the guide 20, actuating the guide 20 will not produce a change in the resistance on the pedals 22a and 22b felt by the user (except when the user's programming changes the current being demanded from the generator 32). The normal guide duty cycle operation is typically 16. 6%, meaning that for each minute that the guide 20 is actuated ("on"), there will be 5 minutes that the guide 20 is not actuated ("off").
Accordingly, the battery 48 is configured to be charged during the"off"cycle, and then, during the"on"cycle, the 14.5 volts from the battery charger 46 supplies some of the current for actuating the guide 20 while the battery 48 will provide the rest. Consequently, while the user is pedalling, the whole system is powered using solely the energy provided by the user, and the resistance on the pedals will not change even when the guide 20 is actuated. Furthermore, the battery 48 may be used to power the guide 20, and also maintain the CPU 60 and the display panel 56, for up to 20-30 seconds after the user stops pedalling.
While the preferred embodiments of the invention have been illustrated and described, it will be appreciated that various changes can be made therein without departing from the spirit and scope of the invention. For example, while the self-powered fitness device of the present invention was described in specific reference to a Elliptical Fitness Crosstrainings machine of the type described in U. S. Patent No. 6,146, 313, the invention may be incorporated in other types of self-powered fitness devices with an actuatable component (e. g.,
<Desc/Clms Page number 9>
a guide) in order to maintain the resistance for the user substantially constant regardless of actuation of the component. Thus, any device wherein a user may translate exercise of any portion of the body into electric power via a generator (e. g. , rowing machines, treadmills, stair climbers, weight machines, exercise cycles, etc. ) can incorporate the present invention.
Claims (23)
- CLAIMS 1. A self-powered fitness device to simulate various types of stepping motions, comprising : a frame; a guide movably associated with the frame ; a foot support for receiving a user's feet, the foot support being coupled to the guide; a generator coupled to the foot support, the arrangement being such that, in use, the generator is actuated to produce electric power by the user's stepping motions acting on the foot support; an electric energy storage medium coupled to the generator and so arranged as, in use, to store at least part of the power produced by the generator; a lift system adapted to selectively and automatically change at least one of the elevation and the angular orientation of the guide relative to the frame, the lift system being powered by both the generator and the electric energy storage medium; and a microprocessor coupled to the generator, the electric energy storage medium, and the lift system and so configured as to co-ordinate their respective operations, the microprocessor being powered by the generator.
- 2. The device of Claim 1, wherein the generator comprises a three-phase AC generator.
- 3. The device of Claim 1 or Claim 2, wherein the electric energy storage medium comprises a battery.
- 4. The device of any one of the preceding claims, further including a resistance controller so arranged as to provide selective adjustment of the resistance applied to the foot support, the resistance controller being coupled to the microprocessor which is so configured as to maintain the resistance substantially constant regardless of whether the lift system is actuated or not.<Desc/Clms Page number 11>
- 5. The device of Claim 4, wherein the resistance controller is arranged to selectively adjust the resistance applied to the foot support as a function of a field current.
- 6. The device of any one of the preceding claims which is so arranged that the electric energy storage medium is used to power the device for a predetermined period of time after the user stops pedaling.
- 7. The device of any one of the preceding claims, wherein the foot support comprises first and second foot supports for receiving the user's left and right feet, respectively.
- 8. The device of any one of the preceding claims, further comprising a display panel attached to the frame, the display panel being coupled to the microprocessor, the arrangement being such that at least part of the power produced by the generator is not stored in the electric energy storage medium and is used to power the display panel.
- 9. A self-powered fitness device, comprising: a frame ; an actuatable component associated with the frame ; an exercise input unit so arranged as, in use, to translate exercise of a portion of a user's body into a predefined motive force; a generator coupled to the exercise input unit, the arrangement being such that, in use, the generator is activated to produce electric power by the user's exercising motions via the exercise input unit; an electric energy storage medium so coupled to the generator as, in use, to store at least part of the power generated by the generator; and an actuator adapted to selectively and automatically actuate the actuatable component, the actuator being powered by both the generator and the electric energy storage medium.
- 10. The device of Claim 9, wherein the actuatable component comprises a liftable guide.<Desc/Clms Page number 12>
- 11. The device of Claim 9 or Claim 10, wherein the generator comprises a threephase AC generator.
- 12. The device of any one of Claims 9 to 11, wherein the electric energy storage medium comprises a battery.
- 13. The device of any one of Claims 9 to 12, further including a resistance controller adapted to selectively adjust the resistance applied to the exercise input unit to be felt by the user, the resistance controller being configured to maintain the resistance substantially constant regardless of whether the actuator is actuated or not.
- 14. The device of Claim 13, wherein the resistance controller is so arranged as to selectively adjust the resistance applied to the exercise input unit as a function of a field current.
- 15. The device of any one of Claims 9 to 14, wherein the electric energy storage medium is so arranged as to power the device for a predetermined period of time after the user stops exercising.
- 16. A method of self-powering a fitness device, comprising: providing a fitness device comprising a frame, an actuatable component associated with the frame, an exercise input unit that translates exercise of a portion of a user's body into a predefined motive force, a generator coupled to the exercise input unit, an electric energy storage medium coupled to the generator, and an actuator for selectively and automatically actuating the actuatable component; allowing the user to exercise using the exercise input unit on the fitness device; producing power via the generator based on the user's exercising motions; storing at least part of the power generated by the generator in the electric energy storage medium; and powering the actuator for the actuatable component with both the generator and the electric energy storage medium.<Desc/Clms Page number 13>
- 17. The method of Claim 16, wherein the fitness device comprises a self-powered fitness device to simulate various types of stepping motions, the actuatable component comprising a guide, the exercise input unit comprising at least one foot support, and the actuator comprising a lift system for selectively lifting the guide.
- 18. The method of Claim 16 or Claim 17, wherein the electric energy storage medium comprises a battery.
- 19. The method of any one of Claims 16 to 18, wherein the step of powering the actuator further comprises maintaining the resistance applied to the exercise input unit substantially the same as the resistance applied to the exercise input unit when the actuator is not being powered.
- 20. The method of any one of Claims 16 to 18, further comprising the step of powering the device with the electric energy storage medium for a predetermined period of time after the user stops exercising.
- 21. A self-powered fitness device as claimed in Claim 1 and substantially as described herein with reference to Figures 2 and 3 of the accompanying drawings.
- 22. A self-powered fitness device as claimed in Claim 9 and substantially as described herein with reference to Figure 3 of the accompanying drawings.
- 23. A method of self-powering a fitness device substantially as described herein with reference to Figure 3 of the accompanying drawings.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/090,417 US20030166434A1 (en) | 2002-03-01 | 2002-03-01 | Self-powered fitness equipment |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0304419D0 GB0304419D0 (en) | 2003-04-02 |
GB2385803A true GB2385803A (en) | 2003-09-03 |
GB2385803B GB2385803B (en) | 2005-06-29 |
Family
ID=22222683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0304419A Expired - Fee Related GB2385803B (en) | 2002-03-01 | 2003-02-27 | Self-powered fitness equipment |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030166434A1 (en) |
JP (1) | JP2003314437A (en) |
CA (1) | CA2418688A1 (en) |
DE (1) | DE10308974A1 (en) |
GB (1) | GB2385803B (en) |
TW (1) | TW200303776A (en) |
Cited By (1)
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EP2638936A1 (en) * | 2012-03-14 | 2013-09-18 | Ecogim Tecnologias S.L. | Device and system for generating electric power for sports training apparatuses |
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US7462134B2 (en) | 2003-06-23 | 2008-12-09 | Nautilus, Inc. | Variable stride exercise device |
DE102004019328B3 (en) * | 2004-04-21 | 2005-08-04 | Josef Mittermaier | Training device for increasing body strength and for rehabilitation after illness comprises a lever connected to a shaft which drives an electric generator which charges a current source |
FR2870747B1 (en) * | 2004-05-26 | 2009-11-20 | Thierry Albert | DEVICE FOR IMPROVING MOTHINESS IN PARTICULAR FROM THE MARKET |
US9192810B2 (en) * | 2004-09-14 | 2015-11-24 | David Beard | Apparatus, system, and method for providing resistance in a dual tread treadmill |
US7731634B2 (en) * | 2005-02-09 | 2010-06-08 | Precor Incorporated | Elliptical exercise equipment with stowable arms |
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Also Published As
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GB2385803B (en) | 2005-06-29 |
CA2418688A1 (en) | 2003-09-01 |
TW200303776A (en) | 2003-09-16 |
US20030166434A1 (en) | 2003-09-04 |
GB0304419D0 (en) | 2003-04-02 |
DE10308974A1 (en) | 2003-09-11 |
JP2003314437A (en) | 2003-11-06 |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070227 |