US20100113192A1 - Racket grip aid - Google Patents

Racket grip aid Download PDF

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Publication number
US20100113192A1
US20100113192A1 US12/586,450 US58645009A US2010113192A1 US 20100113192 A1 US20100113192 A1 US 20100113192A1 US 58645009 A US58645009 A US 58645009A US 2010113192 A1 US2010113192 A1 US 2010113192A1
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US
United States
Prior art keywords
fingerhold
thumb
racket grip
racket
band
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
US12/586,450
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English (en)
Inventor
Mitsuhiro Aida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US12/798,366 priority Critical patent/US20100292034A1/en
Publication of US20100113192A1 publication Critical patent/US20100113192A1/en
Abandoned legal-status Critical Current

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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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B49/08—Frames with special construction of the handle
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/40—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/08—Handles characterised by the material
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/10—Handles with means for indicating correct holding positions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/12—Handles contoured according to the anatomy of the user's hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/16—Table tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/14—Coverings specially adapted for handles, e.g. sleeves or ribbons
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
    • A63B67/04—Table games physically beneficial for the human body, modelled on outdoor sports, e.g. table tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports

Definitions

  • the present invention relates to a racket grip aid.
  • a table tennis is one of the famous sport in the world, which is popular in the region and country of the number as many as a football, judo, and so on.
  • the table tennis game places a table between players who hit a ball facing each other and try to get a point to win, using the ball made of celluloid.
  • the game is divided into 3 kinds, singles, doubles, and group game, and players are required to make full use of the overall technological and physical abilities including dynamic vision, reflexes, instantaneous force and endurance.
  • a table is 274.5 cm ⁇ 152.5 cm, and a ball is 40 mm (diameter).
  • Instantaneous control for those of the ball course, speed, spin, and timing is required, and it is necessary to speed up the racket swing to increase the ball speed, turning the body and moving the center of gravity.
  • the kind of table tennis racket is divided into, a penfolder type and a shakehand type, which differs in grasping the racket grip.
  • a rubber is put on the back, as well as the surface of racket.
  • the penholder the player usually hits a ball by the surface of racket, and recently the number of penholder player with the rubber on the back of racket, is increasing, to hit the ball by backhand.
  • the shakehand racket player leans the racket surface to left (for the right-handed person), using the thumb and the index finger which put the racket board in between, and for the backhand stroke, the player leans the racket surface to right (for the right-handed person).
  • the load of thumb is heavy and may cause a problem to the wrist, elbow, shoulder.
  • thumb and the index finger hold a racket to swing like drawing an arc (by forehand or backhand), as well as such other fingers as the middle finger, third finger, and little finger to grasp the racket grip.
  • the adjustment of racket angle is made principally by the thumb or by both of thumb and index finger, and part of it can be made by others to reduce the load of thumb.
  • inventor of the present invention aimed at the function of middle finger, and tried to let it work for promoting outward rotation operation on the backhand stroke, to adjust the angle of the racket surface and reduce the load of wrist, elbow and shoulder, and send a strong ball.
  • the racket grip may be partly modified, a bold modification is not practical in terms of its lower profile of the shakehand racket, and much improvement in the aspect of feeling and grip condition of hand can not be expected. Therefore, it is advisable to use some tool and realize the valid racket grip condition which fits player's hand.
  • the inventor recognized importance of the inward and outward rotation operations, and confirmed that the present invention is able to contribute to the improvement of racket swing, making the best use of this grip aid, as a result of attempt aiming at the functions of the thumb, middle finger and index finger.
  • the present invention intended to provide the racket grip aid to make it possible that the player appropriately makes a change of racket surface, adjusting an angle, and quickly and strongly respond to an opponent.
  • the racket angle can be appropriately adjusted, by using the grip aid of the present invention.
  • the grip aid of the present invention is useful, for the penholder user, too. It does not use the middle finger, and reduces the load of thumb playing the main role for both of inward rotation and outward rotation operations.
  • a part of the penholder grip to hang the thumb and the index finger is usually cut down to easily have the grip and shift the position to hold.
  • the backhand stroke by the penholder racket it is made by pressing the neighborhood of the racket grip which is held by the index finger to the back side, and shifting the position of thumb to the front edge of the racket board and pushing to the back side which tilts the racket to right. It requires a practical experience, and the backhand stroke is not easy for the beginner, and its countermeasure is not provided, at present.
  • the grip part of penholder racket can be cut boldly if necessary.
  • its extreme modification is not realistic, and it is advisable to use some tool, which matches the hand and reduces the load to the wrist, arm, and shoulder.
  • the present invention corresponds to the above-mentioned situation and the problem, as mentioned below.
  • a racket grip aid of the present invention has a band which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, and a fingerhold for a thumb and a fingerhold for an index finger which are made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material or a fingerhold for a thumb and a fingerhold for a middle finger which are made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material or a fingerhold for a thumb which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material.
  • a racket grip aid of the present invention has the fingerhold which is one with the band and made together with the band, or the fingerhold which is the combination of parts of the band, or fingerhold which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, and which is combined with the band and made to insert a finger, or the fingerhold which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, and which is combined with the band or which is made removable from the band, or the fingerhold which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, and which is combined with the racket grip or which is made removable from the racket grip.
  • a racket grip aid of the present invention according to the claim 3 , has the fingerhold of thumb at left or right on the surface of racket grip, and pushing the fingerhold to the side of fingerhold of thumb, the racket grip is turned to the side of fingerhold of thumb, and inward rotation operation is promoted.
  • a racket grip aid of the present invention according to the claim 4 , has the fingerhold of middle finger at right or left on the surface of racket grip, and pushing the fingerhold of middle finger to the other side of said fingerhold of middle finger, the racket grip rotates to the other side of fingerhold of middle finger, and outward rotation operation is promoted.
  • a racket grip aid of the present invention has 2 fingerholds of thumb to put the thumb in between, at left or right on the surface of the racket grip or the fingerhold of thumb at left or right on the surface of racket grip, which is made to insert the thumb to push down or push up, and pushing the fingerhold of thumb to the side of fingerhold of thumb, the racket grip rotates to the side of fingerhold of thumb, and inward rotation operation is promoted, or pushing the fingerhold of thumb to the other side of fingerhold of thumb, the racket grip rotates to the other side of fingerhold of thumb, and outward rotation operation is promoted.
  • a racket grip aid of the present invention has the band with zippers at both ends, to fasten the band to the racket grip, or the band in the shape of a tube or a bag, to fasten the band to the racket grip from the bottom of racket grip, or the band with connection tool, to fasten the band to the racket grip, or the band which is one with the fingerhold and made together with the fingerhold, and which is combined with the racket grip, or the band which is combined with the part of the racket grip, or the band which is one with the fingerhold and made together with the fingerhold, and which is combined the racket grip to surround the racket grip.
  • a racket grip aid of the present invention has the fingerhold of thumb at left or right on the surface of the racket grip, and the fingerhold of index finger at the other side of fingerhold of thumb, and pushing the fingerhold of thumb to the other side of fingerhold of thumb, the racket grip is turned to the other side of fingerhold of thumb, and outward rotation operation is promoted, or pushing said fingerhold of index finger to the other side of fingerhold of index finger, the racket grip is turned to the other side of fingerhold of index finger, and inward rotation operation is promoted. This is related to the penholder grip.
  • a racket grip aid of the present invention has the fingerhold of thumb on the surface of racket grip, and the fingerhold of index finger on the back of racket grip, and pushing the fingerhold of thumb to the side of fingerhold of thumb, the racket grip is turned to the side of fingerhold of thumb, and inward rotation operation is promoted, or pushing the fingerhold of index finger to the side of fingerhold of index finger, the racket grip is turned to the side of fingerhold of index finger, and outward rotation operation is promoted.
  • a racket grip of the present invention has a fingerhold for a thumb which is made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, or a fingerhold for a thumb and a fingerhold for a middle finger which are made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material, or a fingerhold for a thumb and a fingerhold for an index finger which are made of one or more materials of fiber, resin, rubber, leather, metal, and other elastic material.
  • FIG. 1 is an external view of a shakehand racket for a table tennis.
  • FIG. 2 shows an example of the grip aid with fingerholds for the thumb and the middle finger, on the surface of the racket.
  • FIG. 3 shows an example of the grip aid with a band and fingerholds for thumb and middle finger installed on the surface of racket grip, and other example with the band and the fingerhold for thumb.
  • FIG. 4 shows, (as a top view of the above-mentioned FIG. 3 ), an example of a band with fingerholds of thumb and middle finger, and other example with the band and the fingerhold for thumb.
  • FIG. 5 shows an example of a band with a fastener and a fingerhold which is made to insert a thumb, and other example of the band installed on the racket grip, with the fingerhold of thumb which is made to insert the thumb.
  • FIG. 6 shows an example of the racket grip aid, which combines fingerholds for thumb and middle finger with the racket grip, and other example which combines the fingerhold of thumb with the racket grip.
  • FIG. 7 shows an example of the grip aid with fingerholds of thumb and middle finger and a fastener, and other example without the fastener.
  • FIG. 8 shows an example of fingerholds of thumb and middle finger which are with the band and made together with the band.
  • its material is the rubber, etc.
  • FIG. 9 shows a penholder racket grip: surface and back.
  • FIG. 10 shows an example of fingerholds of thumb and index finger on the surface of racket grip (Upper one in FIG. 10 ), and the grip aid for a penholder racket (Lower one in FIG. 10 ).
  • FIG. 11 shows an example of fingerholds of thumb and index finger on the surface of racket grip (Upper one in FIG. 11 ), and a grip aid installed on a penholder racket (Lower one in FIG. 11 ).
  • the fingerhold for index finger is made to insert a finger.
  • FIG. 12 shows an example of fingerholds of thumb and index finger.
  • the fingerhold of thumb is on the surface, and the fingerhold of index finger is on the back side. Fingerholds are made to insert a finger, in this case.
  • FIG. 13 shows an example of the grip aid of the present invention.
  • a wide band is shown, and it includes the shape of a tube and a bag, for the purpose of the fixation and the improvement of convenience.
  • FIG. 1 is an external view of the surface and back of shakehand racket.
  • FIG. 2 is an example of the racket grip aid of the present invention.
  • fingerholds for the thumb and the middle finger are put on the surface of racket grip. Grasping the racket grip by the third finger and the little finger, thumb and middle finger are put on those fingerholds, respectively.
  • the index finger is put at an appropriate place on the back of racket grip.
  • 1 is the fingerhold of thumb
  • 2 is the fingerhold of middle finger
  • 3 is the band.
  • the thumb and the middle finger are put on fingerholds lightly. At the time of switching from surface to back, or vice versa, if one of the fingerholds is pressed up or down, the grip turns to side of fingerhold pressed or to the other side of fingerhold pressed, and inward or outward rotation operation takes place.
  • the thumb and the middle finger hold the racket, and players do not necessarily grasp the racket so strongly, due to the joined and stable power by the grip aid to handle the racket and avoid dropping of the racket, even if it was made quickly and strongly.
  • FIG. 3 is an example of the grip aid of the present invention.
  • Upper drawing of FIG. 3 is an example of fingerholds of thumb and middle finger on the surface of the racket.
  • Lower drawing in FIG. 3 is an example of 2 fingerholds of thumb to put the thumb in between.
  • pushing up or pushing down the fingerhold of thumb the racket is turned to the surface or to the back, and inward or outward rotation operation is promoted.
  • FIG. 4 is a top view of the above-mentioned FIG. 3 .
  • Upper drawing of FIG. 4 is an example of fingerholds for thumb and middle finger.
  • Lower drawing of FIG. 4 is an example of the fingerhold of thumb.
  • FIG. 5 is an example of the fingerhold of thumb.
  • FIG. 6 is an example of the grip aid of the present invention.
  • FIG. 6 shows an example of fingerholds of thumb and middle finger, which are combined with a part of racket grip, directly.
  • Lower drawing shows an example of the fingerhold of thumb which is combined with a part of racket grip directly, and inward or outward rotation operation is promoted by pressing up or pressing down the fingerhold of thumb.
  • FIG. 7 is an example of the grip aid of the present invention.
  • FIG. 7 Upper drawing of FIG. 7 is an example of the grip aid with fingerholds for thumb and middle finger, with a fastener to install the band.
  • Lower drawing in FIG. 7 is an example of the grip aid with fingerholds for thumb and middle finger, without the fastener.
  • FIG. 8 is an example of the grip aid of the present invention.
  • FIG. 8 Upper drawing in FIG. 8 is an example of the grip aid with the fingerhold for thumb, and lower one is the example of fingerholds for thumb and the middle finger.
  • FIG. 9 is an example of the surface and the back of the pen folder type racket.
  • FIG. 10 shows an example of fingerholds for thumb and index finger on the surface of racket grip (Upper one of FIG. 10 ), and the grip aid for the penholder racket (Lower one of FIG. 10 ).
  • FIG. 11 shows an example of fingerholds for thumb and index finger on the surface of racket grip (Upper one in FIG. 11 ), and the grip aid installed on the penholder racket grip (Lower one in FIG. 11 ).
  • the fingerhold for index finger is made to insert the index finger.
  • FIG. 12 shows an example of fingerholds of thumb and index finger.
  • the fingerhold of thumb is on the surface of the racket, and the fingerhold of index finger is on the back side. Fingerholds are made to insert a finger, in this case.
  • FIG. 13 shows an example of the grip aid of the present invention.
  • a wide band is shown, including the shape of a tube and a bag, for the purpose of the fixation and the improvement of convenience.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Physiology (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
US12/586,450 2008-11-04 2009-09-23 Racket grip aid Abandoned US20100113192A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/798,366 US20100292034A1 (en) 2009-05-13 2010-04-05 Racket grip aid

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008282672 2008-11-04
JP2008-282672 2008-11-04
JP2009-190562 2009-08-20
JP2009190562A JP2010284499A (ja) 2008-08-30 2009-08-20 ラケットグリップの補助具

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/798,366 Continuation-In-Part US20100292034A1 (en) 2009-05-13 2010-04-05 Racket grip aid

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US20100113192A1 true US20100113192A1 (en) 2010-05-06

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US12/586,450 Abandoned US20100113192A1 (en) 2008-11-04 2009-09-23 Racket grip aid

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JP (1) JP2010284499A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100056309A1 (en) * 2008-08-30 2010-03-04 Mitsuhiro Aida Racket grip aid
US20100234147A1 (en) * 2009-03-13 2010-09-16 Mitsuhiro Aida Racket grip aid
US20180318681A1 (en) * 2017-05-03 2018-11-08 Mitsuhiro Aida Grip Aid
CN109481919A (zh) * 2018-12-11 2019-03-19 盐城市艾斯特体育器材有限公司 一种防滑防潮乒乓球拍
WO2022029074A1 (en) * 2020-08-06 2022-02-10 Gripfixer Holding Aps Grip for racket

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669550B2 (en) 2014-04-18 2017-06-06 Kla-Tencor Corporation Pick and place device with automatic pick-up-height adjustment and a method and a computer program product to automatically adjust the pick-up-height of a pick and place device

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US1536211A (en) * 1923-01-25 1925-05-05 Albert Pettit Adjustable sling for handle grips
US4072311A (en) * 1974-08-30 1978-02-07 Bertucci Shirley J Index finger positioning device for tennis racket handles
US4402508A (en) * 1981-12-07 1983-09-06 Pflueger Donald C Handle trigger grip
US4848746A (en) * 1988-02-03 1989-07-18 William Klink Tennis racket grip
US5806091A (en) * 1995-07-17 1998-09-15 Mchugh; Mark Lawrence Hand grip aid
US6305051B1 (en) * 1997-04-28 2001-10-23 Myong Ho Cho Finger supporting structure
US20030013564A1 (en) * 2001-07-13 2003-01-16 Mcdaniel Donald Wesley Table tennis paddle
US6916260B1 (en) * 2003-07-11 2005-07-12 Joyce Poteet Tennis racket grip device
US20050181895A1 (en) * 2004-02-13 2005-08-18 Victor Popovich Table tennis paddle with two handles
US20080032831A1 (en) * 2006-05-03 2008-02-07 Rod Schroeder Grip trainer for racquet sports
US20100056309A1 (en) * 2008-08-30 2010-03-04 Mitsuhiro Aida Racket grip aid
US20100234147A1 (en) * 2009-03-13 2010-09-16 Mitsuhiro Aida Racket grip aid
US20100292034A1 (en) * 2009-05-13 2010-11-18 Mitsuhiro Aida Racket grip aid

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JPS54142687A (en) * 1978-04-27 1979-11-07 Sato Kinnosuke Continuous machining device for patterned plate glass
DE3202194A1 (de) * 1982-01-25 1983-08-04 Marian 8000 München Tiso Schlaeger fuer ein ballspiel
JP3146126U (ja) * 2008-08-11 2008-11-06 合田 光▲廣▼ ラケットグリップの補助具
JP3145955U (ja) * 2008-08-15 2008-10-30 合田 光▲廣▼ ラケットグリップの補助具
JP3146236U (ja) * 2008-08-28 2008-11-06 サンケン電気株式会社 リードフレームおよび半導体装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1536211A (en) * 1923-01-25 1925-05-05 Albert Pettit Adjustable sling for handle grips
US4072311A (en) * 1974-08-30 1978-02-07 Bertucci Shirley J Index finger positioning device for tennis racket handles
US4402508A (en) * 1981-12-07 1983-09-06 Pflueger Donald C Handle trigger grip
US4848746A (en) * 1988-02-03 1989-07-18 William Klink Tennis racket grip
US5806091A (en) * 1995-07-17 1998-09-15 Mchugh; Mark Lawrence Hand grip aid
US6305051B1 (en) * 1997-04-28 2001-10-23 Myong Ho Cho Finger supporting structure
US20030013564A1 (en) * 2001-07-13 2003-01-16 Mcdaniel Donald Wesley Table tennis paddle
US6916260B1 (en) * 2003-07-11 2005-07-12 Joyce Poteet Tennis racket grip device
US20050181895A1 (en) * 2004-02-13 2005-08-18 Victor Popovich Table tennis paddle with two handles
US20080032831A1 (en) * 2006-05-03 2008-02-07 Rod Schroeder Grip trainer for racquet sports
US7896762B2 (en) * 2006-05-03 2011-03-01 Rod Schroeder Grip trainer for racquet sports
US20100056309A1 (en) * 2008-08-30 2010-03-04 Mitsuhiro Aida Racket grip aid
US20100234147A1 (en) * 2009-03-13 2010-09-16 Mitsuhiro Aida Racket grip aid
US20100292034A1 (en) * 2009-05-13 2010-11-18 Mitsuhiro Aida Racket grip aid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100056309A1 (en) * 2008-08-30 2010-03-04 Mitsuhiro Aida Racket grip aid
US20100234147A1 (en) * 2009-03-13 2010-09-16 Mitsuhiro Aida Racket grip aid
US20180318681A1 (en) * 2017-05-03 2018-11-08 Mitsuhiro Aida Grip Aid
CN109481919A (zh) * 2018-12-11 2019-03-19 盐城市艾斯特体育器材有限公司 一种防滑防潮乒乓球拍
WO2022029074A1 (en) * 2020-08-06 2022-02-10 Gripfixer Holding Aps Grip for racket

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JP2010284499A (ja) 2010-12-24

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