US20050148448A1 - Push-up board exercise device - Google Patents

Push-up board exercise device Download PDF

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Publication number
US20050148448A1
US20050148448A1 US10749203 US74920304A US2005148448A1 US 20050148448 A1 US20050148448 A1 US 20050148448A1 US 10749203 US10749203 US 10749203 US 74920304 A US74920304 A US 74920304A US 2005148448 A1 US2005148448 A1 US 2005148448A1
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Prior art keywords
grip
exercise
device
hand
board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10749203
Inventor
Frederic Mersch
Original Assignee
Mersch Frederic S.
Priority date (The priority date 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 date listed.)
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    • 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
    • A63B21/00047Exercising devices not moving during use
    • 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
    • A63B21/40Interfaces with the user related to strength training; Details thereof
    • A63B21/4027Specific exercise interfaces
    • A63B21/4033Handles, pedals, bars or platforms
    • A63B21/4035Handles, pedals, bars or platforms for operation by hand
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00Other characteristics of sports equipment
    • A63B2225/09Adjustable dimensions
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/1209Involving a bending of elbow and shoulder joints simultaneously
    • A63B23/1236Push-ups in horizontal position, i.e. eccentric movement

Abstract

A portable exercise device having a base member and a plurality of handle grips. At least two of the handle grips are adjustable on the base member. The handle grips permit a user to exercise the chest muscles, shoulders, back, arms, and triceps of the user. The base preferably has a non-slip bottom creating a unit that will not tip over or slip.

Description

    FIELD OF THE INVENTION
  • [0001]
    The present invention relates to an exercise device and, more particularly, to a portable and versatile exercise device used to strengthen the chest and arms of a user, the device being resistant to sliding, tipping, or falling over.
  • [0002]
    This application is a continuation-in-part of U.S. provisional patent application, Serial No. MER-0103, filed Jan. 15, 2003, for EXERCISE DEVICE, and claims the priority date thereof.
  • BACKGROUND OF THE INVENTION
  • [0003]
    Historically and traditionally, a smooth and sleek upper body has been desired by every body-conscious being. Therefore, push-ups became popular very early when it was realized that the effectiveness of these movements encouraged and developed a well muscled, toned, and sleek upper physique depicting a healthy, well-nourished individual. Sequentially, a physically fit individual has become a status symbol, indicating happiness, self-assurance, prosperity and success. In addition, it is believed that these attributes bring about better jobs, salaries, and longer lives.
  • [0004]
    The earliest push-ups were done by placing one's hands on a flat surface and pushing away to the extent of the arms to ensue the performance and occurrence of a push up. Soon, it was apparent that a device could be invented that would make push-ups more effective and less difficult with the same amount of exertion. Thus began the first idea for the development of a push-up exercise device.
  • [0005]
    Since these earlier devices were first invented, there has been a need for a unit that was sturdy, stable, and unable to tip over while in use. Preferably, the unit would also be lightweight, portable, and economical to manufacture. Ideally, a unit that would be simple in composition with few complicated and easily comprehended parts was also needed. Up until now, prior attempts did not meet these qualifications. They also did not have the simplicity or ease of use of this device. Some of the previous attempts had some of the needed qualifications, but never were the qualities so completely combined in one unit.
  • [0006]
    The present device meets all the needed standards plus it is also easily adjustable to enable a user to change hand positions to capture a complete range of motion and movement allowing different muscle groups to be exerted.
  • [0007]
    It is therefore a primary objective of the present invention to provide an exercise device, which solves the inefficient push-up value problems in the art.
  • [0008]
    A further object of the present invention is to provide an exercise device which is durable structurally in long-term and repetitive use.
  • [0009]
    Another object of the invention is to provide an exercise device, which can be used by many different types of individuals at different levels of fitness.
  • [0010]
    The advantages, features, and objects will become more apparent with reference to the accompanying claims and specifications.
  • [0011]
    The closest prior invention, of which the applicant is aware, is a product by Altus Athletic Manufacturing Company located in Altur, Okla. The device, known as Push-up Stands, consists of two separate curved handles, which are placed on a level surface and manipulated by pushing the body away with the hands. These units are very unsafe, awkward, and could cause serious injury by tipping over or sliding out from under the user.
  • [0012]
    The present invention remedies the deficiencies of the prior art. It is lightweight, portable, and versatile to accommodate individuals of many sizes, weights, and shapes. This device answers the ongoing industry need and consumer desire for development of a unit that adjusts quickly and easily thereby saving time and energy. It also answers the need and desire for a simpler exercise device with the functionality of a proven design at a lower cost. The advantages, features, and objects will become more apparent with reference to the accompanying claims and specifications.
  • [0013]
    It is therefore an object of the invention to provide an exercise device that will allow a user to exercise the upper body effectively and efficiently working numerous body parts in a few easy motions.
  • [0014]
    It is another object of the invention to provide a safe and secure exercise device that will not tip or slide.
  • [0015]
    It is another object of the invention to create a portable exercise device, which will move and travel with the user.
  • [0016]
    It is another object of the invention to create an exercise device, which is easy and simple to use.
  • [0017]
    It is another object of the invention to create an exercise device, which is economical to produce.
  • SUMMARY OF THE INVENTION
  • [0018]
    In accordance with the present invention, there is provided an exercise device for exercising and developing the upper body, chest, and arms of a user. The exercise device is constructed and arranged to be placed on the floor and is comprised of a base having a plurality of handles mounted thereon. The handles are arranged to provide a pair of outside handles or grips and a set of inside or center handles. The board of the device has cutout slots to provide handle adjustability and which enable the outside handles to slide and be secured to the base. The handle grips and the base or board can be constructed of wood, plastic, or metal. Preferably, the bottom of the base is provided with a non-slip surface. The placement of the handles enables the user to grab a handle on each side and work out the chest by doing a push-up or by sliding or rotating it in various positions to focus on different angles or parts of the chest and arms. The exercise device may be set on the floor in front of a user, thereby enabling the user to grab the handles and work out the chest, triceps, or other parts of the upper body by doing push-ups or other like exercises. The exercise device is versatile, economic in construction, and easy to use. These and other benefits of this invention will become apparent from the following description by reference to the drawings.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0019]
    A complete understanding of the present invention may be obtained by reference to the accompanying drawings, when considered in conjunction with the subsequent, detailed description, in which:
  • [0020]
    FIG. 1 is a perspective view of a push-up board in accordance with the invention;
  • [0021]
    FIG. 2 is a top view of a push-up board in accordance with the invention;
  • [0022]
    FIG. 3 is a bottom view of a push-up board in accordance with the invention;
  • [0023]
    FIG. 4 is a side view of a push-up board in accordance with the invention;
  • [0024]
    FIG. 5 is a perspective view of a human being using the push-up board in accordance with the invention;
  • [0025]
    FIG. 6 is a perspective view of a human being using the push-up board in accordance with the invention;
  • [0026]
    FIG. 7 is a perspective view of a human being using the push-up board in accordance with the invention;
  • [0027]
    FIG. 8 is a perspective view of a push-up board, which shows further aspects of the invention; and
  • [0028]
    FIG. 9 is a perspective view of a push-up board in accordance with the invention.
  • [0029]
    For purposes of clarity and brevity, like elements and components will bear the same designations and numbering throughout the FIGURES.
  • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • [0030]
    FIG. 1 is a perspective view of a push-up board 10 in accordance with the invention, which has a base 11. base 11 has four aligned, oblong, and parallel adjustment slots, first slot 12, second slot 13, third slot 14, and fourth slot 15. Further a fifth hand grip 23, a second hand grip 17, a third hand grip 18, and sixth hand grip 24 are shown mounted generally in the center of the base 11. The base 11 is a generally rectangular board, approximately 36 inches long, 8 inches wide and constructed of wood, plastic, metal, fiberglass, laminates, composites, like material or combinations thereof.
  • [0031]
    The first hand grip 16 and fourth hand grip 19 are adjustably mounted to the base 11. Each handle end may have a screw or bolt 22 with a washer 21 which permits the first hand grip 16 and fourth hand grip 19 to be adjusted by means of a first slot 12, second slot 13, third slot 14 or fourth slot 15. Specifically, the screws or bolt 22 extend through the respective slot.and may be slid along the length of the first slot 12, second slot 13, third slot 14, or fourth slot 15 to space and secure the first hand grip 16 and the fourth hand grip 19 with respect to base 11. Other adjustment means well known in the art may be utilized to adjust and secure the handles, however.
  • [0032]
    The fifth hand grip 23, sixth hand grip 24, and second hand grip 17 and third hand grip 18 are permanently secured to the base 11. The fifth hand grip 23, sixth hand grip 24, and second hand grip 17 and third hand grip 18 may be fixed by any known fastening means, i.e. via screws, bolts, adhesive and the like, and may be constructed of rigid materials such as plastic, wood, metal, fiberglass, laminates, composites, like material or combinations thereof. These center hand grips may all be attached in different sizes and shapes or the push-up board 10 may be constructed with only one center hand grip.
  • [0033]
    FIG. 2 is a top view of the exercise device. This figure shows further aspects of the invention.
  • [0034]
    FIG. 3 is a botttom view of the invention showing further aspects of the invention.
  • [0035]
    As shown in FIG. 4, the underside of the base 11 has a bottom 20 covered by or formed of rubber or other non-slip surface, to provide stability to the push-up board 10 during use.
  • [0036]
    FIGS. 5-7 show the push-up board 10 in use by a user 25. The first hand grip 16 and fourth hand grip 19 of push-up board 10 are initially adjusted to suit the size and exercise regimen of the user 25.
  • [0037]
    In FIG. 5 the user 25 is in the push-up position with his left hand 27 and right hand 26 grasping first hand grip 16 and fourth hand grip 19.
  • [0038]
    In FIG. 6, the user 25 is in a downward position, ready to assume the start position of FIG. 5. This exercise strengthens the upper body of the user 25, the chest, shoulders, and upper arms and hands.
  • [0039]
    In FIG. 7, the user 25 is utilizing the second hand grip 17 and third hand grip 18 to thereby exercise the right arm triceps 28 and left arm triceps 29. The up and down position of the user 25 is similar to that previously described.
  • [0040]
    FIG. 8 shows further aspects of the invention regarding the makeup and use of the push-up board 10. Further, fifth hand grip 23 and sixth hand grip 24 are shown. The sixth hand grip 24 is an elongated handle or grip member which enables both hands to be placed thereabout. The fifth hand grip 23 (FIGS. 8, 9) is a unitary structure, which allows the hands of the user 25 to be placed adjacent to each other on separate hand grip areas. The second hand grip 17 and the third hand grip 18 FIGS. 5, 6, 7) are an alternative to the fifth hand grip 23 which also allows the hands of the user 25 to be placed adjacent to each other on separate hand grip areas.
  • [0041]
    FIG. 9 is a perspective view of the exercise board showing further aspects of the invention.
  • [0042]
    The push-up board 10 of the present invention is a portable and versatile exercise apparatus, which is easily manufactured and easily used. The board is adjustable to enable the user 25 to accommodate the width of the user's grip and to move the handles to exercise specific body and arm muscles. Although the handles or grip members are adjustable in the preferred embodiment, the board may be constructed with stationary handle or grip members and the base 11 may be constructed of any length and width to accommodate user 25 size and exercise regimens.
  • [0043]
    As many changes are possible to the push-up board 10 embodiments of this invention, utilizing the teachings thereof, the description above and the accompanying drawings should be interpreted in the illustrative and not a limiting sense.
  • [0044]
    Since other modifications and changes varied to fit particular operating requirements and environments will be apparent to those skilled in the art, the invention is not considered limited to the example chosen for purposes of disclosure, and covers all changes and modifications which do not constitute departures from the true spirit and scope of this invention.
  • [0045]
    Having thus described the invention, what is desired to be protected by Letters Patent is presented in the subsequently appended claims.

Claims (21)

  1. 1. A push-up board exercise device for exercising and developing the upper body, chest and arms of a user comprising:
    means for providing stability and connection point for all components;
    means for allowing a user to grip the exercise board at the edge, rigidly connected to said means for providing stability and connection point for all components; and
    means for allowing a user to grip the exercise device in the middle thereof, rigidly connected to said means for providing stability and connection point for all components.
  2. 2. The push-up board exercise device in accordance with claim 1, wherein said means for providing stability and connection point for all components comprises a rigid, slotted base, having a non-slip stable bottom.
  3. 3. The push-up board exercise device in accordance with claim 1, wherein said means for allowing a user to grip the exercise board at the edge comprises a rigid, outer first hand grip.
  4. 4. The push-up board exercise device in accordance with claim 1, wherein said means for allowing a user to grip the exercise device in the middle thereof comprises a rigid, small second hand grip.
  5. 5. A push-up board exercise device for exercising and developing the upper body, chest and arms of a user comprising:
    a rigid, slotted base, having a non-slip stable bottom, for providing stability and connection point for all components;
    a rigid, outer first hand grip, for allowing a user to grip the exercise board at the edge, rigidly connected to said base; and
    a rigid, small second hand grip, for allowing a user to grip the exercise device in the middle thereof, rigidly connected to said base.
  6. 6. The push-up board exercise device as recited in claim 5, further comprising:
    a rigid, small third hand grip, for allowing a user to grip the exercise device in the middle thereof, rigidly connected to said base.
  7. 7. The push-up board exercise device as recited in claim 5, further comprising:
    a rigid, outer fourth hand grip, for allowing a user to grip the exercise board at the edge, rigidly connected to said base.
  8. 8. The push-up board exercise device as recited in claim 5, further comprising:
    a rigid, middle, segmented fifth hand grip, for allowing a user to grip the exercise board near the middle of the base, rigidly connected to said base.
  9. 9. The push-up board exercise device as recited in claim 5, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  10. 10. The push-up board exercise device as recited in claim 6, further comprising:
    a rigid, outer fourth hand grip, for allowing a user to grip the exercise board at the edge, rigidly connected to said base.
  11. 11. The push-up board exercise device as recited in claim 6, further comprising:
    a rigid, middle, segmented fifth hand grip, for allowing a user to grip the exercise board near the middle of the base, rigidly connected to said base.
  12. 12. The push-up board exercise device as recited in claim 6, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  13. 13. The push-up board exercise device as recited in claim 7, further comprising:
    a rigid, middle, segmented fifth hand grip, for allowing a user to grip the exercise board near the middle of the base, rigidly connected to said base.
  14. 14. The push-up board exercise device as recited in claim 7, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  15. 15. The push-up board exercise device as recited in claim 8, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  16. 16. The push-up board exercise device as recited in claim 10, further comprising:
    a rigid, middle, segmented fifth hand grip, for allowing a user to grip the exercise board near the middle of the base, rigidly connected to said base.
  17. 17. The push-up board exercise device as recited in claim 10, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  18. 18. The push-up board exercise device as recited in claim 11, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  19. 19. The push-up board exercise device as recited in claim 13, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  20. 20. The push-up board exercise device as recited in claim 16, further comprising:
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
  21. 21. A push-up board exercise device for exercising and developing the upper body, chest and arms of a user comprising:
    a rigid, slotted base, having a non-slip stable bottom, for providing stability and connection point for all components;
    a rigid, outer first hand grip, for allowing a user to grip the exercise board at the edge, rigidly connected to said base;
    a rigid, small second hand grip, for allowing a user to grip the exercise device in the middle thereof, rigidly connected to said base;
    a rigid, small third hand grip, for allowing a user to grip the exercise device in the middle thereof, rigidly connected to said base;
    a rigid, outer fourth hand grip, for allowing a user to grip the exercise board at the edge, rigidly connected to said base;
    a rigid, middle, segmented fifth hand grip, for allowing a user to grip the exercise board near the middle of the base, rigidly connected to said base; and
    a rigid, middle, bar sixth hand grip, for providing a means to enable a user to grip the exercise device near the middle of the base, rigidly connected to said base.
US10749203 2004-01-02 2004-01-02 Push-up board exercise device Abandoned US20050148448A1 (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050215401A1 (en) * 2004-03-24 2005-09-29 Wilson Jeffrey D Push-up device
US7563216B1 (en) 2008-09-12 2009-07-21 Bodipro Technologies, Inc. Push-up exercise device
US7637851B1 (en) 2008-11-11 2009-12-29 Junior Lormil Upper body exercising assembly
US20100069206A1 (en) * 2008-09-18 2010-03-18 Kenn Viselman Exercise training tool & methods of use thereof
US20100210430A1 (en) * 2009-02-17 2010-08-19 Mulderrig Edward B Push-up blocks
US20100261588A1 (en) * 2007-11-09 2010-10-14 Jao-Hsing Tsai Leg stretching exercise apparatus
US20110028274A1 (en) * 2009-07-29 2011-02-03 Qualtech Global Ltd Push up fitting of the Wii Balance Board
US20110039667A1 (en) * 2009-08-14 2011-02-17 Ju-Chuan Teng Structural improvement for stretching exercise apparatus
US20110319232A1 (en) * 2009-03-30 2011-12-29 Brad Thorpe Isometric exercise apparatus and storage rack therefor
US20130123077A1 (en) * 2011-11-10 2013-05-16 Tim DUNEGAN Exercise apparatus for balance and strength training
US8529417B1 (en) 2011-05-12 2013-09-10 Ricardo Velasquez Pushup exercise device
US8840531B2 (en) 2008-09-18 2014-09-23 Kenn Viselman Adjustable exercise training tool
KR101778879B1 (en) * 2016-02-24 2017-09-15 김승영 Seesaw type valence exercise tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351525A (en) * 1981-02-23 1982-09-28 Rozenblad William L Multiple use exercising devices
US5226868A (en) * 1992-05-27 1993-07-13 Montgomery Calvin W Power push-up device
US6186930B1 (en) * 2000-05-01 2001-02-13 David P. Ignaczak Push-up trainer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351525A (en) * 1981-02-23 1982-09-28 Rozenblad William L Multiple use exercising devices
US5226868A (en) * 1992-05-27 1993-07-13 Montgomery Calvin W Power push-up device
US6186930B1 (en) * 2000-05-01 2001-02-13 David P. Ignaczak Push-up trainer

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108643B2 (en) * 2004-03-24 2006-09-19 Jeffrey Dale Wilson Push-up device
US20050215401A1 (en) * 2004-03-24 2005-09-29 Wilson Jeffrey D Push-up device
US20100261588A1 (en) * 2007-11-09 2010-10-14 Jao-Hsing Tsai Leg stretching exercise apparatus
US7563216B1 (en) 2008-09-12 2009-07-21 Bodipro Technologies, Inc. Push-up exercise device
US8840531B2 (en) 2008-09-18 2014-09-23 Kenn Viselman Adjustable exercise training tool
US20100069206A1 (en) * 2008-09-18 2010-03-18 Kenn Viselman Exercise training tool & methods of use thereof
US7972250B2 (en) * 2008-09-18 2011-07-05 Kenn Viselman Exercise training tool
US7637851B1 (en) 2008-11-11 2009-12-29 Junior Lormil Upper body exercising assembly
US7951055B2 (en) * 2009-02-17 2011-05-31 Mulderrig Edward B Push-up blocks
US20100210430A1 (en) * 2009-02-17 2010-08-19 Mulderrig Edward B Push-up blocks
US20110230319A1 (en) * 2009-02-17 2011-09-22 Mulderrig Edward B Push-up blocks
US8758203B2 (en) 2009-03-30 2014-06-24 Brad Thorpe Isometric exercise apparatus and storage rack therefor
US9592416B2 (en) 2009-03-30 2017-03-14 Isologex Corporation Isometric exercise apparatus and storage rack therefor
US20110319232A1 (en) * 2009-03-30 2011-12-29 Brad Thorpe Isometric exercise apparatus and storage rack therefor
US8376917B2 (en) * 2009-03-30 2013-02-19 Brad Thorpe Isometric exercise apparatus and storage rack therefor
US20110028274A1 (en) * 2009-07-29 2011-02-03 Qualtech Global Ltd Push up fitting of the Wii Balance Board
US7892152B1 (en) * 2009-08-14 2011-02-22 Ju-Chuan Teng Structural improvement for stretching exercise apparatus
US20110039667A1 (en) * 2009-08-14 2011-02-17 Ju-Chuan Teng Structural improvement for stretching exercise apparatus
US8529417B1 (en) 2011-05-12 2013-09-10 Ricardo Velasquez Pushup exercise device
US20130123077A1 (en) * 2011-11-10 2013-05-16 Tim DUNEGAN Exercise apparatus for balance and strength training
US8888669B2 (en) * 2011-11-10 2014-11-18 Tim DUNEGAN Exercise apparatus for balance and strength training
KR101778879B1 (en) * 2016-02-24 2017-09-15 김승영 Seesaw type valence exercise tool

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