USRE34959E - Stair-climbing exercise apparatus - Google Patents
Stair-climbing exercise apparatus Download PDFInfo
- Publication number
- USRE34959E USRE34959E US07/789,789 US78978991A USRE34959E US RE34959 E USRE34959 E US RE34959E US 78978991 A US78978991 A US 78978991A US RE34959 E USRE34959 E US RE34959E
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- United States
- Prior art keywords
- pedal
- arm
- sprocket
- attached
- user
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000000994 depressogenic effect Effects 0.000 description 9
- 230000009194 climbing Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Images
Classifications
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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
- A63B21/157—Ratchet-wheel links; Overrunning clutches; One-way clutches
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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
- A63B22/0048—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis
- A63B22/0056—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis the pivoting movement being in a vertical plane, e.g. steppers with a horizontal axis
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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
- A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
- A63B2022/0038—One foot moving independently from the other, i.e. there is no link between the movements of the feet
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0048—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis
- A63B2022/0053—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis each support element being cantilevered by a parallelogram system
-
- 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
- A63B2208/0204—Standing on the feet
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/30—Maintenance
Definitions
- the present invention relates to an exercise apparatus that simulates stair climbing. More particularly, the present invention relates to an exercise apparatus having independently oscillating pedals wherein the speed may be controlled and monitored by the operator or may be preselected and controlled and monitored by computer control programs.
- Stair climbing exercisers are generally known in the art.
- Treadmill exercisers such as Parsons (U.S. Pat. No. 3,592,466) and Harrison et al. (U.S. Pat. No. 3,497,215) are typical and are necessary much larger and bulkier than the present design which eliminates the treads and risers. Additionally, in the known treadmill designs, the size of the stairs is fixed and cannot be adjusted to accomodate the user.
- ladder climbing devices are known in the art. Gulland (U.S. Pat. No. 3,381,958) discloses such a device. While ladder climbing does provide exercise for the user, it does not simulate the forward-stepping action found in stair climbing.
- Rotary motion pedal exercisers While known, are not as desirable as stair-climbing for several reasons. Rotary exercisers are normally operated from the sitting position. Additionally, an even force is not required to operate the rotary pedals. The maximum force is required when the pedals are near the vertical position and less force is required as the pedals depart from that point.
- Monteiro U.S. Pat. No. 4,555,108 discloses a rotatable drum with extending ears for stairs having a gear drive connected to a hydraulic system. The steps do not operate independently of each other.
- Monteiro and in reciprocating pedal systems it is possible for the user to shift his or her weight from left to right. The user must consciously decide to work at the exercise, as opposed to the present invention wherein an even force is required to operate the independent pedals.
- McFee U.S. Pat. No. 3,970,302
- Champoux U.S. Pat. No. 3,747,924
- McFee and Champoux suffer from the same problems mentioned in Monteiro.
- the desired asymmetrical range of motion is also missing.
- dismounting the McFee device would be difficult since moving weight from one pedal will cause the other pedal to quickly fall.
- both pedals slowly drift to the floor.
- DeCloux (U.S. Pat. No. 4,519,603) and Putsch (U.S. Pat. No. 4,112,928) are rotary motion pedal devices suffering from the problems previously mentioned of all rotary motion pedal devices. Putsch discloses rotary motion pedals connected to a direct current generator and load control resistance means. DeCloux discloses a brake and release system to give the user a stepping-up effect.
- Hampl U.S. Pat. No. 3,765,245 discloses an alternator having a permanent magnet, as opposed to the electromagnet in the present invention, and having a load resistor.
- the present invention eliminates the need for the heavy duty transistor required in Hampl as a controllable variable resistance device.
- the present invention relates to a stair-climbing exercise apparatus operated by a user.
- a tubular frame for the apparatus includes a pair of spaced tubular members parallel to each other and a base tubular member extending between the spaced members and perpendicular thereto.
- Tubular members extend upwardly from the spaced members to form a framework for a plate perpendicular to the spaced members.
- Inclined tubular sections extend upwardly from one of the spaced members and join to form a handrail.
- a right pedal and a left pedal on opposite sides of the plate include pads parallel to the floor.
- a right pedal arm is pivotally mounted at one end to the right pedal and pivotally mounted at the other end of the base tubular member.
- a left pedal arm is pivotally mounted at one end to the left pedal and pivotally mounted at the other end to the base tubular member.
- a right support arm is pivotally attached at one end to the right pedal and pivotally attached at the other end to the plate.
- a left support arm is pivotally attached at one end to the left pedal and pivotally attached at the other end to the plate.
- the support arms are parallel to and equal in length to their respective pedal arms.
- One end of a right chain is attached to a winglet that extends from the right pedal arm.
- the chain is made to pass over and drivingly engage the teeth of a right sprocket which is part of a drive system assembly.
- the right chain is connected at its other end to a right spring by a connector.
- the spring travels over a guide sheave or pulley wheel rotatably mounted on the plate and terminates at a hanger secured to the plate.
- the spring When the user steps on the pedal, the spring will stretch to allow the chain to move over the sprocket and allow the pedal to move toward the floor. When the user's foot is lifted and brought forward, the spring will cause the pedal to return to the upright position.
- the operation of the left pedal is similar to the operation of the right pedal.
- One end of a left chain is attached to a winglet that extends from the left pedal arm.
- the left chain is made to pass over and drivingly engage the teeth of a left sprocket on the drive system assembly.
- the left chain is connected at its other end to a left spring by a connector.
- the spring travels over a guide sheave or pulley wheel rotatably mounted on the plate and terminates at a hanger secured to the plate.
- the drive system assembly includes a central shaft having a drive sprocket welded thereto.
- the left and right pedal sprockets operate in conjunction with clutch bearings surrounding the shaft.
- clutch bearings surrounding the shaft.
- the drive system assembly has a hub secured to the plate with bolts.
- a snap ring is on the end of the shaft opposite the drive sprocket.
- a separator series consisting of a thrust washer, a thrust bearing and a thrust washer, separates the snap ring from the left sprocket, the left sprocket from the hub, the hub from the right sprocket, and the right sprocket from the drive sprocket.
- the continuous chain is engaged with the teeth of the drive sprocket and is engaged with the teeth of a transmission sprocket.
- the transmission sprocket rotates an input shaft of a transmission which acts as a speed increaser.
- An output shaft extends from the transmission and terminates at a transmission tooth pulley.
- An alternator, secured to the plate, includes an alternator shaft and an alternator tooth pulley.
- the transmission tooth pulley and the alternator tooth pulley are connected by a continuous belt.
- the alternator which acts as a dynamic brake, is connected to a load resistor.
- the alternator is controlled and monitored by a computer control panel.
- FIG. 1 is a perspective view of an exercise apparatus constructed in accordance with the present invention
- FIG. 2 is a top view, on an enlarged scale, of the pedals of the exercise apparatus shown in FIG. 1;
- FIG. 3 is a right side elevation view of the present invention shown in FIG. 1, with the right side cover removed;
- FIG. 4 is a right side elevation view similar to FIG. 3 with the right pedal shown in the depressed position;
- FIG. 5 is a left side elevation view of the invention shown in FIG. 1 with the left cover removed;
- FIG. 6 is a sectional view of the drive system assembly of the present invention taken along section line 6--6 of FIG. 4;
- FIG. 7 is a front elevation view of the control panel of the invention shown in FIG. 1.
- FIG. 1 shows a stair-climbing exercise apparatus 10 operated by an exerciser 12.
- a tubular frame 14 acts as the supporting structure for the apparatus.
- the frame 14 includes a pair of spaced tubular members 16 and 18 parallel to each other, which rest on the floor and provide lateral stability for the apparatus.
- Extending between the spaced members 16 and 18 is a base tubular member 20.
- Extending upwardly from spaced member 16 is a tubular member 22.
- Extending upwardly from spaced member 18 is a tubular member 24 which joins member 22 to form the framework for plate 26.
- Tubular members 20, 22 and 24 may be of a single-piece construction as in the present embodiment.
- the edges of plate 26 are secured to tubular members 20 and 22.
- many of the various components are mounted on the plate. The central location of the components, between the legs of the user, provides stability to the apparatus and allows for a lightweight and simple design.
- the exercise apparatus includes a right cover 28 and a left cover (not shown) to protect and shield from view the components.
- a vent 30 is provided on the right cover.
- Inclined tubular sections 32 and 34 extend upward from member 16 and join to form handrails.
- Tubular member 24 extends upward to meet inclined tubular sections 32 and 34.
- the handrails may include grips 36 and 38 for the user.
- a right pedal 40 and a left pedal 42 are on opposite sides of the plate 26. The juxtaposition of the pedals is best seen in FIG. 2. The right pedals is shown in the depressed position in FIG. 2 and the left pedal is shown in position at rest. Pedals 40 and 42 include pads 44 and 46, respectively. The pads function as the tread portion of a staircase and are parallel to the floor.
- a right pedal arm 48 is pivotally mounted to pedal 40 at 50 and is pivotally mounted to base tubular member 20 at shaft 52.
- a left pedal arm 54 is pivotally mounted to the left pedal 42 at 56 and is pivotally mounted to base tubular member 20 at shaft 58.
- a right support arm 60 pivotally attached to the right pedal 40 at 62, is pivotally mounted to the plate at shaft 64.
- Support arm 60 is parallel to right pedal arm 48 and support arm 66 is parallel to left pedal arm 54.
- the length of the right pedal arm 48 is equal to the length of the right support arm 60. Given that the pedal arm and support arm are parallel and equal to each other, the pad 44 will remain parallel to the floor whether in the depressed position or a test. Similarly, the left pedal arm 54 is parallel and equal to the length of the left support arm 66, and the pad 46 will remain parallel to the floor at all times. This arrangement is advantageous since is produces stable platforms for the user to stand on during the exercise.
- FIG. 3 shows the right pedal in position at rest
- FIG. 4 shows the right pedal in the depressed position lowered by the weight of the user (not shown).
- the right pedal moves in an arc where the endpoints of the arc are illustrated in FIGS. 3 and 4.
- the cover 28 is removed in both FIGS. 3 and 4.
- a right chain 72 is attached to a winglet 74 that extends from the right pedal arm 48.
- the chain 72 is made to pass over and drivingly engage the teeth of a right sprocket 76 which is part of a drive system assembly 78, best seen in cross-section in FIG. 5.
- the right chain 72 is connected at its other end to a right spring 80 by a connector 82.
- the spring travels over a guide sheave or pulley wheel 84 rotatably mounted on the plate and terminates at a hanger 86 secured to the plate 26.
- the spring 80 attached to the chain 72 and, in turn, attached to the pedal arm 48, is of sufficient tension to keep the pedal in the upright position when not in use.
- the pedal, pedal arm and support arm will be raised until the winglet 74 rests against a stop 88 welded to the plate 26.
- the spring When the user steps on the pedal, the spring will stretch to allow the chain to move over the right sprocket and allow the pedal to move downward and rearward toward the floor. When the user's foot is lifted and brought forward, the spring will cause the pedal to return to the upright position. The weight of the exerciser, thus, activates the pedal.
- the operation of the left pedal 42 is similar to the operation of the right pedal just described.
- One end of a left chain 90 is attached to a winglet 92 that extends from the left pedal arm 54.
- the left chain 90 is made to pass over and drivingly engage the teeth of a left sprocket 94 on the drive system assembly 78.
- the left chain 90 is connected at its other end to a left spring 96 by a connector 98.
- the spring travels over a guide sheave or pulley wheel 100 rotatably mounted on the plate and terminate at a hanger 102 secured to the plate.
- the spring 96, attached to the chain 90, and, in turn, attached to the pedal arm 54 is of sufficient tension to keep the pedal in the upright position.
- the pedal, pedal arm and support arm will be raised until the winglet 92 rests against a stop 104 welded to the plate.
- the drive system assembly 78 includes a central driveshaft 106 having a drive sprocket 108 welded thereto. Surrounding the shaft are the left sprocket 94, and the right sprocket 76. The left and right sprockets operate in conjunction with clutch bearings 110 and 112, respectively. As viewed in FIGS. 3 and 4, when the right sprocket turns counterclockwise, the sprocket 76 and clutch bearing 112 positively lock with the shaft 106 to turn the shaft counterclockwise. This occurs when the right pedal is being depressed. Thus, when the shaft 106 is rotated counterclockwise, the drive sprocket 108 will likewise be rotated counterclockwise.
- the drive system assembly 78 is secured by a hub 114 to the plate 26 with bolts 116. Pin bearings 118 separate the hub from the shaft.
- a snap ring 120 is on the end of the shaft opposite the drive sprocket 108.
- a separator series 122 comprising a thrust washer 123, thrust bearing 124 and thrust washer 125 surrounds the shaft.
- a separator series 122 separates the snap ring 120 from the left sprocket 94, the left sprocket from the hub 114, the hub from the right sprocket 76, and the right sprocket from the drive sprocket 108.
- left and right sprockets 94 and 76 operate independently of each other, resulting in independent operation of the left and right pedals.
- the asymmetrical range of motion of the pedals is desirable, particularly in rehabilitation and medical applications.
- FIGS. 3 and 4 illustrate the drive system assembly operation.
- the driveshaft 106 When either the left or right pedal is depressed, the driveshaft 106 will be rotated counterclockwise. Continuous chain 126 is engaged with the teeth of the drive sprocket 108 and engaged with the teeth of a transmission sprocket 128.
- the transmission sprocket 128 rotates an input shaft 130 of a transmission 132 secured on side to the plate 26.
- the transmission contains a series of gears (not shown) which act as a speed increaser.
- an output shaft 134 extends from the transmission on the opposite side from the input shaft 130 and terminates in a transmission tooth pulley 136.
- the output shaft 134 will rotate at twenty times the speed of the input shaft 130.
- An alternator 138 is secured on one side to the plate 26 by means of bolt 140.
- the alternator is also slidably secured to bar 142.
- the alternator is of the known variety--being a generator with an electromagnet therein.
- the alternator includes an alternator shaft 144 and an alternator tooth pulley 146.
- the transmission wheel 136 and alternator tooth pulley 146 are connected by continuous belt 148.
- the user provides the energy to operate the alternator 138.
- the alternator is connected by leads 149 to a load resistor 150 secured to tubular member 24.
- the load resistor is capable of absorbing the electrical energy output of the alternator. When the alternator 138 reaches a certain speed, the voltage is transferred to the load resistor. The work of the user is, thus dissipated in the form of heat.
- the alternator is also wired to a computer control panel 152, the face of which is shown in FIG. 7.
- the computer control panel 152 is positioned for easy viewing by the user. As seen in FIG. 1, the control panel 152 is attached to a console adapter 154 secured to the top of handrails 32 and 34.
- One of a series of computer programs (not shown) incorporated in the control panel may be selected or the user may set his or her own speed.
- the computer control panel is powered by household electric service connected to a direct current voltage transformer (not shown).
- the computer control panel 152 act to control and monitor the alternator as follows.
- the wave signal coming off of the alternator 138 at the stator terminal (not shown) is connected to the control panel and used as a tachometer.
- the alternator speed is less than the predetermined control speed, the work of the user continues to produce increased speed. Up until the alternator reaches the predetermined control speed, only a tiny amount of voltage is produced and there is little resistance to acceleration.
- the alternator's speed is greater than the predetermined speed, the voltage generated is directed to the load resistor, thereby dynamically braking the alternator.
- the alternator is turned on and off several hundred times per second and the net effect is a fluid motion.
- the user will grasp the handrails 32 and 34 and step up onto both pedals 40 and 42. Under the weight of the user, the pedals will move downward and rearward to their lowermost position near the floor. The user will then press the start button 156 on the face of the computer control panel 152. The user will enter his or her weight into the computer by using the keyboard 158. The user will then begin the stair-climbing exercise, adjusting the length of his or her stride to a comfortable one. The work of the user is monitored in mets and displayed on the computer control panel screen 160. One met is 3.5 ml of oxygen per kilogram of body weight of the user per minute.
- the control panel has a timer (not shown) so that if the user stops climbing for a period of time, the computer panel will switch off.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Tools (AREA)
Abstract
Description
______________________________________ U.S. Pat. No. Patentee Issue Date ______________________________________ 4,555,108 Monteiro November 26, 1985 3,381,958 Gulland May 7, 1968 4,519,603 DeCloux May 28, 1985 3,592,466 Parsons July 13, 1971 3,765,245 Hampl October 16, 1973 4,416,293 Anderson et al. November 22, 1983 1,854,473 Laborda April 19, 1932 4,112,928 Putsch September 12, 1978 4,512,566 Bicocchi April 23, 1985 4,298,893 Holmes November 3, 1981 3,497,215 Harrison February 24, 1970 3,970,302 McFee July 20, 1976 3,747,924 Champoux July 24, 1973 3,758,112 Crum et al. September 11, 1973 3,511,500 Dunn May 12, 1970 3,582,069 Flick June 1, 1971 3,495,824 Cuinier February 17, 1970 3,587,319 Andrews June 28, 1971 3,529,474 Olson et al. September 22, 1970 3,756,595 Hague September 4, 1973 2,253,996 Bechman August 26, 1941 1,521,487 Turner December 30, 1924 3,628,791 Garcia December 21, 1971 ______________________________________
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/892,101 US4708338A (en) | 1986-08-04 | 1986-08-04 | Stair climbing exercise apparatus |
PCT/US1987/003058 WO1989004696A1 (en) | 1986-08-04 | 1987-11-20 | Stair climbing exercise apparatus |
US41180389A | 1989-09-25 | 1989-09-25 |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/892,101 Reissue US4708338A (en) | 1986-08-04 | 1986-08-04 | Stair climbing exercise apparatus |
US41180389A Continuation | 1986-08-04 | 1989-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE34959E true USRE34959E (en) | 1995-05-30 |
Family
ID=27410917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/789,789 Expired - Lifetime USRE34959E (en) | 1986-08-04 | 1991-11-08 | Stair-climbing exercise apparatus |
Country Status (1)
Country | Link |
---|---|
US (1) | USRE34959E (en) |
Cited By (58)
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US5697869A (en) * | 1993-06-02 | 1997-12-16 | Ehrenfried Technologies, Inc. | Electromechanical resistance exercise apparatus |
US5738611A (en) * | 1993-06-02 | 1998-04-14 | The Ehrenfried Company | Aerobic and strength exercise apparatus |
US5741205A (en) * | 1995-12-07 | 1998-04-21 | Life Fitness | Exercise apparatus pedal mechanism |
EP0858817A2 (en) | 1997-02-13 | 1998-08-19 | Cybex International, Inc. | Simulated hill-climbing exercise apparatus and method of exercising |
US5816372A (en) * | 1994-09-09 | 1998-10-06 | Lord Corporation | Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same |
USD422323S (en) * | 1998-09-18 | 2000-04-04 | Takmay Industrial Co., Ltd. | Toy |
US20030013583A1 (en) * | 2001-07-12 | 2003-01-16 | Anderson Timothy T. | Stairclimber apparatus pedal mechanism |
US6585647B1 (en) | 1998-07-21 | 2003-07-01 | Alan A. Winder | Method and means for synthetic structural imaging and volume estimation of biological tissue organs |
US6620080B1 (en) * | 1997-10-17 | 2003-09-16 | True Fitness Technology, Inc. | Exercise device |
US20040092849A1 (en) * | 2002-11-08 | 2004-05-13 | Talish Roger J. | Apparatuses and methods for therapeutically treating damaged tissues, bone fractures, osteopenia, or osteoporosis |
US20040162193A1 (en) * | 1997-10-17 | 2004-08-19 | Gary Gray | Exercise device for side-to-side stepping motion |
US20040192514A1 (en) * | 2003-02-28 | 2004-09-30 | Nautilus, Inc. | Exercise device with treadles |
US20040229733A1 (en) * | 1997-10-17 | 2004-11-18 | Gray Gary W. | Exercise device |
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US20050252172A1 (en) * | 2004-05-17 | 2005-11-17 | Herzog Kenneth J | Bar graph |
US6976939B2 (en) | 2004-01-28 | 2005-12-20 | Harker Verla D | Exercise device for lower body |
US7166067B2 (en) * | 2002-10-07 | 2007-01-23 | Juvent, Inc. | Exercise equipment utilizing mechanical vibrational apparatus |
US20070232465A1 (en) * | 2006-03-31 | 2007-10-04 | Michael Roydon Puzey | Exercise device |
USRE39904E1 (en) | 2001-04-17 | 2007-10-30 | Stamina Products, Inc. | Combined elliptical cycling and stepping exerciser |
US20070260161A1 (en) * | 2002-11-08 | 2007-11-08 | Titi Trandafir | Apparatus and methods for therapeutically treating damaged tissues, bone fractures, osteopenia, or osteoporosis |
US20080015477A1 (en) * | 2006-07-11 | 2008-01-17 | Juvent, Inc. | System and method for a low profile vibrating plate |
US20080214971A1 (en) * | 2002-10-07 | 2008-09-04 | Talish Roger J | Excercise device utilizing loading apparatus |
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US7789841B2 (en) | 1997-02-06 | 2010-09-07 | Exogen, Inc. | Method and apparatus for connective tissue treatment |
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US20140274577A1 (en) * | 2013-03-12 | 2014-09-18 | David Beard | Apparatus, system, and method for dual tread treadmill improvements |
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