US3403906A - Exerciser with grippers on a roller mounting shaft - Google Patents

Exerciser with grippers on a roller mounting shaft Download PDF

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US3403906A
US3403906A US455775A US45577565A US3403906A US 3403906 A US3403906 A US 3403906A US 455775 A US455775 A US 455775A US 45577565 A US45577565 A US 45577565A US 3403906 A US3403906 A US 3403906A
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shaft
exerciser
grippers
mounting shaft
roller mounting
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US455775A
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Burzenski Ralph
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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
    • A63B22/20—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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • A63B23/0205—Abdomen
    • A63B23/0211—Abdomen moving torso with immobilized lower limbs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0063—Shock absorbers
    • 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
    • A63B2208/0214—Kneeling
    • 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
    • A63B2208/12—Characteristics or parameters related to the user or player specially adapted for children
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • 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
    • A63B2225/09—Adjustable dimensions

Definitions

  • the device includes a roller which is mounted on a shaft with the shaft having gripping members on its opposite ends so that when the gripping members have force applied thereto and the roller contacts a surface, the exercising device can be moved along said surface by means of the roller rolling.
  • My invention refers to an exercising device, and more particularly, to a simple, portable device that is light in weight, and easily transported and stored.
  • the prime object of my invention is to provide a device that may be used and operated in any part of the home.
  • Another object of my invention is to provide a device of the character described that is effective in the exercising of every portion and muscle of the body in a simple manner.
  • a further object of my invention is to provide a device that may be easily manipulated by youngsters or grownups.
  • a still further object is to provide a device that is simple in construction, easy to manufacture, yet positive in its use and function.
  • the device illustrated, described, and claimed herein is a simple practical device that may be manipulated by means of rolling it while the user is in any position, whether he be sitting on the floor, kneeling or standing with his weight supported only by the toes. It may be cushioned for use on a carpeted living room floor, may be easily conveyed or transported, and when not in use it may be stored in any limited space.
  • FIG. 1 is a perspective view of the device, employing a single revolving support, centrally disposed within the assembly.
  • FIG. 2 is a horizontal cross-sectional view of the device illustrated in FIG. 1.
  • FIG. 3 is a side view of a modified assembled device employing a pair of revolving supports.
  • FIG. 4 is an illustration of the user in phantom and in a sitting position with the device close to his body.
  • FIG. 5 is a similar view of the user in a sitting positon with the arms supporting the device in a forward position.
  • FIG. 6 is a similar view of the user in a kneeling position with the device close to his body
  • FIG. 7 is a similar view of the user in a kneeling position with the device stretched or pushed outward, and the user in a forwardly stretched position.
  • the character 10 shows generally a rotata'bly mounted wheel, which may be of any type of construction either one piece or equipped with a rubber tire or the like, encircling the outer periphery and shown as 11.
  • wheel 10 is constructed of a nonabrasive material to prevent harmful contact with a floor surface or the like.
  • the wheel 10 is supported by a horizontally disposed shaft shown as 12, having tubular collar members 13 contacting the outer faces 11 of the wheel 10, and are held in a fixed position by means of set-screws 14 which contact the shaft 12, or in any other eflicient or practical manner.
  • Collar members 13 may be an integral part of the outer faces 11.
  • grip members or handles 15 slidably associated with the outwardly extending ends of the shaft 12, or they may be attached in any other eflicient or practical manner. Grip members 15 may be pulled outwardly from the ends to vary the horizontal length of the exercising device.
  • the grip members 15 mav-be constructed of tubular plastic or other light weight material.
  • Tubular inserts or spacers 16 are disposed between the collars 13 and the inner ends of the grips. Spacers 16 provide a bearing surface for grip members 15. Preferably spacers 16 are constructed of a nonferrous material to maintain the weight of the exercising device 10 as light as possible.
  • Grip members 15 include indentations 18 spaced apart to provide confined gripping areas for the fingers. A child or woman may prefer the innermost indentation 18, whereas the man whose reach is longer would prefer the outer indentation 18.
  • Grip members 15 may be slidably associated with shaft 12 and thereby serving as an adjustable extension in the horizontal direction of the shaft. Moreover, this enables grip members 15 to be adjusted according to the reach and comfort of the user.
  • An exercising device combination comprising a shaft
  • said at least one wheel having a nonabrasive outer rim
  • collar members fixedly attached to said shaft contacting the outermost portion of each of the opposed outer faces of said at least one wheel to maintain said at least one wheel in position intermediate the ends of said shaft
  • handle means spaced apart from said collar members
  • said handle means consisting of a pair of grip members coaxial with and slidably associated with the ends of said shaft to enable variation of the length of said shaft by axially sliding said grip members on said shaft, each of said grip members including spaced apart indentations for receiving the fingers of the user of said device when grasping said grip members, and
  • spacer means inserted between said collars and the inner ends of said grip members and positioned around said shaft
  • said at least one wheel comprises a pair of wheels journaled to said shaft intermediate to the ends of said shaft, and

Description

R. BURZENSKI Oct. 1, 1968 EXERCISER WITH GRIFPERS ON A ROLLER MOUNTING SHAFT Filed May 14, 1965 INVENTQR RALPH BURZENSKI ATTORNEYS United States Patent Filed May 14, 1965, Ser. No. 455,775
2 Claims. (Cl. 272-57) ABSTRACT OF THE DISCLOSURE The device includes a roller which is mounted on a shaft with the shaft having gripping members on its opposite ends so that when the gripping members have force applied thereto and the roller contacts a surface, the exercising device can be moved along said surface by means of the roller rolling.
My invention refers to an exercising device, and more particularly, to a simple, portable device that is light in weight, and easily transported and stored.
The prime object of my invention is to provide a device that may be used and operated in any part of the home.
Another object of my invention is to provide a device of the character described that is effective in the exercising of every portion and muscle of the body in a simple manner.
A further object of my invention is to provide a device that may be easily manipulated by youngsters or grownups.
A still further object is to provide a device that is simple in construction, easy to manufacture, yet positive in its use and function.
It is manifest to anyone familiar with the use of exercisers of varied constructions that the prime object of their use is to loosen and develop certain parts of the body and muscles that are to be serviced in the process of its use. The device illustrated, described, and claimed herein, is a simple practical device that may be manipulated by means of rolling it while the user is in any position, whether he be sitting on the floor, kneeling or standing with his weight supported only by the toes. It may be cushioned for use on a carpeted living room floor, may be easily conveyed or transported, and when not in use it may be stored in any limited space.
Other and further objects of my invention will become more apparent as the description proceeds, when taken in conjunction with the drawings, in which:
FIG. 1 is a perspective view of the device, employing a single revolving support, centrally disposed within the assembly.
FIG. 2 is a horizontal cross-sectional view of the device illustrated in FIG. 1.
FIG. 3 is a side view of a modified assembled device employing a pair of revolving supports.
FIG. 4 is an illustration of the user in phantom and in a sitting position with the device close to his body.
FIG. 5 is a similar view of the user in a sitting positon with the arms supporting the device in a forward position.
FIG. 6 is a similar view of the user in a kneeling position with the device close to his body, and
FIG. 7 is a similar view of the user in a kneeling position with the device stretched or pushed outward, and the user in a forwardly stretched position.
Similar characters of reference indicate corresponding parts throughout the several views, and referring now to the same, the character 10 shows generally a rotata'bly mounted wheel, which may be of any type of construction either one piece or equipped with a rubber tire or the like, encircling the outer periphery and shown as 11. Preferably wheel 10 is constructed of a nonabrasive material to prevent harmful contact with a floor surface or the like.
3,403,906 Patented Oct. 1, 1968 The wheel 10 is supported by a horizontally disposed shaft shown as 12, having tubular collar members 13 contacting the outer faces 11 of the wheel 10, and are held in a fixed position by means of set-screws 14 which contact the shaft 12, or in any other eflicient or practical manner. Collar members 13 may be an integral part of the outer faces 11.
There are a pair of grip members or handles 15 slidably associated with the outwardly extending ends of the shaft 12, or they may be attached in any other eflicient or practical manner. Grip members 15 may be pulled outwardly from the ends to vary the horizontal length of the exercising device. The grip members 15 mav-be constructed of tubular plastic or other light weight material.
Tubular inserts or spacers 16 are disposed between the collars 13 and the inner ends of the grips. Spacers 16 provide a bearing surface for grip members 15. Preferably spacers 16 are constructed of a nonferrous material to maintain the weight of the exercising device 10 as light as possible.
Grip members 15 include indentations 18 spaced apart to provide confined gripping areas for the fingers. A child or woman may prefer the innermost indentation 18, whereas the man whose reach is longer would prefer the outer indentation 18.
During the normal use of the exercising device, there are numerous positions that may be assumed by the user as illustrated by FIGS. 4 thru 7.
Grip members 15 may be slidably associated with shaft 12 and thereby serving as an adjustable extension in the horizontal direction of the shaft. Moreover, this enables grip members 15 to be adjusted according to the reach and comfort of the user.
It is believed that my invention, its mode of construction and assembly, and many of its advantages should be readily understood from the foregoing without further description, and it should also be manifest that while a preferred embodiment of the invention has been shown and described for illustrative purposes, the structural details are nevertheless capable of wide variation within the purview of my invention as defined in the appended claims.
Having thus described my invention, what I claim and desire to secure by Letters Patent of the United States is:
1. An exercising device combination, the combination comprising a shaft,
at least one wheel rotatably journaled to said shaft intermediate to the ends of said shaft,
said at least one wheel having a nonabrasive outer rim, collar members fixedly attached to said shaft contacting the outermost portion of each of the opposed outer faces of said at least one wheel to maintain said at least one wheel in position intermediate the ends of said shaft, handle means spaced apart from said collar members, said handle means consisting of a pair of grip members coaxial with and slidably associated with the ends of said shaft to enable variation of the length of said shaft by axially sliding said grip members on said shaft, each of said grip members including spaced apart indentations for receiving the fingers of the user of said device when grasping said grip members, and
spacer means inserted between said collars and the inner ends of said grip members and positioned around said shaft,
whereby said wheel is rotated along a surface in response to force applied to said grip members providing various exercising positions for the user of said exercising device.
2. The exercising device of claim 1, wherein said at least one wheel comprises a pair of wheels journaled to said shaft intermediate to the ends of said shaft, and
wherein further spacer means are provided between the collar members on the inner faces of said wheels thereby maintaining a space between said pair of wheels.
References Cited UNITED STATES PATENTS 1,824,920 9/1931 Novak 272-57 4 Wentz 272-67 X Barbeau 272-57 X Britt 272-67 X Grifiin 272-67 Dantolan 272-84 Douglas 272-82 X RICHARD C. PINKHAM, Primary Examiner.
0 W. R. BROWNE, Assistant Examiner.
US455775A 1965-05-14 1965-05-14 Exerciser with grippers on a roller mounting shaft Expired - Lifetime US3403906A (en)

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Cited By (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672670A (en) * 1970-07-08 1972-06-27 Ralph A Burzenski Wheeled foot-exercising device with hand grips
US3752475A (en) * 1971-06-21 1973-08-14 A Ott Axle-mounted wheel exercising device with spring resistance located centrally within the wheel
US3938803A (en) * 1974-08-01 1976-02-17 Wilmoth Robert B Dual purpose exercising device
US4136867A (en) * 1977-05-31 1979-01-30 Wilkin Douglas G Vibrating exercising wheel
US4171805A (en) * 1977-05-18 1979-10-23 Abbott Thomas L Rollable hand held exercise device
WO1986000817A1 (en) * 1984-07-20 1986-02-13 Bold Thomas P Jr Inertial force accommodating resistance exercise device
US4900017A (en) * 1984-07-20 1990-02-13 Bold Jr Thomas P Inertial force, accommodating resistance exercise device and method
US5222930A (en) * 1984-07-20 1993-06-29 Bold Jr Thomas P Inertial force exercise device having dense body extremities
US5259824A (en) * 1991-11-25 1993-11-09 Eugene Cheltenham Hand-held, friction stabilized, multi-exercise device
US5643162A (en) * 1994-12-14 1997-07-01 Jeffrey A. Landers Exercise apparatus
US5707325A (en) * 1997-01-29 1998-01-13 Kingi Cycle Co., Ltd. Exercising device
US6017296A (en) * 1999-07-09 2000-01-25 Tang; Jack Exercise wheel
USD422038S (en) * 1998-03-31 2000-03-28 James Iannetta Three wheeled exercise apparatus
US6053853A (en) * 1998-11-12 2000-04-25 Hinds; Jon Physical training wheel
US6099444A (en) * 1998-07-23 2000-08-08 Domenge; Alberto G. Inertial exerciser
US6146318A (en) * 1999-07-01 2000-11-14 Chin Tsun Lee Push and pull type roller exerciser
US6190292B1 (en) 1998-12-02 2001-02-20 Howard Panes Athletic apparatus and method of use
US6254518B1 (en) * 2000-02-29 2001-07-03 Chen Chang Co., Ltd. Exercise wheel
US6328680B1 (en) * 1999-03-30 2001-12-11 Tessema Dosho Shifferaw Abdominal exercise wheel
US6488613B1 (en) 2000-11-14 2002-12-03 Alberto G. Domenge Inertial exerciser device, method of assembly, and method of exercising therewith
US20020187883A1 (en) * 2001-06-07 2002-12-12 Lovison Douglas I. Hand grip exercise system
US6500102B1 (en) 2000-02-22 2002-12-31 Alberto G. Domenge Inertial exerciser device and method
US6575883B1 (en) 2002-05-03 2003-06-10 Robert Sylvester Hinds Exercise wheel assembly
US6638201B1 (en) * 2001-10-25 2003-10-28 Delphi Oracle Corp. Cam action exercise apparatus with asymmetric energy management
US20040063553A1 (en) * 2002-09-30 2004-04-01 Darrin Viscount Weight lifting apparatus
US6776742B2 (en) 2001-11-29 2004-08-17 Alberto G. Domenge Handheld exerciser and amusement device, method of exercising therewith
US6837833B2 (en) 2002-10-03 2005-01-04 Miles Elledge Specialty weight training apparatus and method
US6837837B2 (en) 2001-11-19 2005-01-04 Robert Lee Nethery Exercise device
US20080070762A1 (en) * 2006-09-11 2008-03-20 Curtis White Hand-Held Wheeled Exercise Device
US20080167168A1 (en) * 2007-01-10 2008-07-10 Hurst B Frederick Exercise device
US20090298656A1 (en) * 2008-05-30 2009-12-03 Jeff Dannenberg Muscle toner exercise apparatus
US7837603B1 (en) 2008-01-22 2010-11-23 Carnell Sr Jay R Portable exercise wheel
US20110077135A1 (en) * 2009-09-28 2011-03-31 Jerry Abbott Exercise apparatus and method of use
US20110183824A1 (en) * 2010-01-28 2011-07-28 Lien-Chuan Yang Exercise wheel
US20120100969A1 (en) * 2010-10-21 2012-04-26 Brodbeck Ralph R Exercise device and method
CN102725034A (en) * 2010-08-16 2012-10-10 朴庚熙 Abdominal muscle revitalizing device
USD669141S1 (en) * 2011-12-31 2012-10-16 Implus Footcare, Llc Wheeled exercise device
US8784287B2 (en) 2011-05-06 2014-07-22 Gary Edward Miller, Jr. Exercise device
US8926482B2 (en) 2011-05-06 2015-01-06 Gary Edward Miller, Jr. Exercise device
US9011303B2 (en) 2010-12-16 2015-04-21 Implus Footcare, Llc Wheeled exercise device
US20160045782A1 (en) * 2014-08-18 2016-02-18 Good Shine Development Ltd. Abdomen exerciser
USD754868S1 (en) * 2015-03-17 2016-04-26 Jason Dean Hendrickson Massage roller
US9352184B2 (en) 2013-05-23 2016-05-31 B&A Health And Fitness, Llc Exercise system and kit
US9744394B2 (en) 2011-04-13 2017-08-29 Kenneth D. Frederick Exercising device with multi-position handle and method therefore
US9814927B2 (en) 2016-02-26 2017-11-14 Leon Forystek Abdominal exercise apparatus
US9993686B1 (en) 2016-12-09 2018-06-12 MILLZ, Inc. Exercise device
US10029143B1 (en) * 2014-07-03 2018-07-24 Robert Milstein Exercise bicycle with laterally adjustable pedals for increasing the number of muscle groups being conditioned
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USD852903S1 (en) * 2017-07-26 2019-07-02 Lung-Fei Chuang Abdominal exercise device
USD861808S1 (en) * 2019-04-22 2019-10-01 Beijing Jifeng Technology Co., Limited Abdominal wheel
DE102018117348A1 (en) 2018-07-18 2020-01-23 Vysoké ucení technické v Brne exercise device
US10843026B2 (en) 2013-05-23 2020-11-24 B and A Health and Fitness, LLC Exercise system and kit
US10981031B1 (en) * 2020-09-22 2021-04-20 Zejiao Guo Multifunctional abdominal exercise wheel with pulling rope
WO2021136927A1 (en) * 2019-12-30 2021-07-08 Tao Xu An abdominal exercise wheel
US20220258001A1 (en) * 2021-02-15 2022-08-18 Alireza Soroush Multi-purpose exercise equipment
USD986992S1 (en) * 2022-07-28 2023-05-23 Tan Jiang Roller wheel
USD991372S1 (en) * 2022-09-30 2023-07-04 Jinyun Fu Roller wheel
US11712601B2 (en) 2016-12-09 2023-08-01 MILLZ, Inc. Exercise device
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US2286324A (en) * 1941-01-18 1942-06-16 Jere L Wentz Massage roller
US2528213A (en) * 1946-12-31 1950-10-31 Wilfred V Dantolan Bar bell
US2821394A (en) * 1954-12-24 1958-01-28 Raymond J M Barbeau Spring roller-type exerciser
US2920418A (en) * 1958-02-24 1960-01-12 Thomas O Britt Amusement devices
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Cited By (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672670A (en) * 1970-07-08 1972-06-27 Ralph A Burzenski Wheeled foot-exercising device with hand grips
US3752475A (en) * 1971-06-21 1973-08-14 A Ott Axle-mounted wheel exercising device with spring resistance located centrally within the wheel
US3938803A (en) * 1974-08-01 1976-02-17 Wilmoth Robert B Dual purpose exercising device
US4171805A (en) * 1977-05-18 1979-10-23 Abbott Thomas L Rollable hand held exercise device
US4136867A (en) * 1977-05-31 1979-01-30 Wilkin Douglas G Vibrating exercising wheel
WO1986000817A1 (en) * 1984-07-20 1986-02-13 Bold Thomas P Jr Inertial force accommodating resistance exercise device
US4900017A (en) * 1984-07-20 1990-02-13 Bold Jr Thomas P Inertial force, accommodating resistance exercise device and method
US5222930A (en) * 1984-07-20 1993-06-29 Bold Jr Thomas P Inertial force exercise device having dense body extremities
US5259824A (en) * 1991-11-25 1993-11-09 Eugene Cheltenham Hand-held, friction stabilized, multi-exercise device
US5643162A (en) * 1994-12-14 1997-07-01 Jeffrey A. Landers Exercise apparatus
US5707325A (en) * 1997-01-29 1998-01-13 Kingi Cycle Co., Ltd. Exercising device
USD422038S (en) * 1998-03-31 2000-03-28 James Iannetta Three wheeled exercise apparatus
US6179758B1 (en) 1998-07-23 2001-01-30 Alberto G. Domenge Inertial exerciser
US6099444A (en) * 1998-07-23 2000-08-08 Domenge; Alberto G. Inertial exerciser
US6053853A (en) * 1998-11-12 2000-04-25 Hinds; Jon Physical training wheel
US6190292B1 (en) 1998-12-02 2001-02-20 Howard Panes Athletic apparatus and method of use
US6328680B1 (en) * 1999-03-30 2001-12-11 Tessema Dosho Shifferaw Abdominal exercise wheel
US6146318A (en) * 1999-07-01 2000-11-14 Chin Tsun Lee Push and pull type roller exerciser
US6017296A (en) * 1999-07-09 2000-01-25 Tang; Jack Exercise wheel
US6500102B1 (en) 2000-02-22 2002-12-31 Alberto G. Domenge Inertial exerciser device and method
US6254518B1 (en) * 2000-02-29 2001-07-03 Chen Chang Co., Ltd. Exercise wheel
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