WO2021215610A1 - Raquette de tennis de table - Google Patents

Raquette de tennis de table Download PDF

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Publication number
WO2021215610A1
WO2021215610A1 PCT/KR2020/016603 KR2020016603W WO2021215610A1 WO 2021215610 A1 WO2021215610 A1 WO 2021215610A1 KR 2020016603 W KR2020016603 W KR 2020016603W WO 2021215610 A1 WO2021215610 A1 WO 2021215610A1
Authority
WO
WIPO (PCT)
Prior art keywords
repulsive force
racket
table tennis
improving part
head
Prior art date
Application number
PCT/KR2020/016603
Other languages
English (en)
Korean (ko)
Inventor
김상경
Original Assignee
주식회사 고고탁
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 주식회사 고고탁 filed Critical 주식회사 고고탁
Publication of WO2021215610A1 publication Critical patent/WO2021215610A1/fr

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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
    • 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
    • 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
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres

Definitions

  • the present invention relates to a table tennis racket, and more particularly, to a table tennis racket that uses a material having a high repulsive force in the table tennis racket to improve the force applied to a table tennis ball by a user.
  • a table tennis racket includes a racquet head with rubber attached to one or both sides to hit a ball, and a handle extending from the racquet head.
  • These table tennis rackets can be divided into a pen-holder type (a structure in which a rubber is attached to the so-called racket head) or a shake hand type (a structure in which rubbers are attached to both sides of the racket head) according to the gripping method.
  • the pen holder grip method holds the handle of the racket as if holding a pen by pressing the front of the racket with your thumb and index finger and supporting the back side of the racket with your middle and ring fingers. It can show control and delicate technique, and while it has an advantage in a four-handed attack, there was a problem that it was inconvenient because it used only one side, the backhand range was narrow, and the left and right defense range was narrow, so there was a problem of having to move relatively a lot.
  • the shake hand grip method is a method of holding the handle of the racket as if shaking a hand, which is advantageous for the cut method of a ping-pong ball, consumes less stamina by using both sides of the racket, and has advantages over the backhand method, while the central part of the body and the front of the net It is difficult to handle the short ball of the player, and the forehand is relatively weak.
  • the ping-pong ball does not spin enough when hitting the ball in the four-handed and back-handed stance, reducing the drive power.
  • Republic of Korea Registered Utility Model No. 20-0245108 relates to the structure of the rubber attached to the racket head. It uses a rubber with high viscosity to improve the rotational force of the ping-pong ball, but it cannot be used selectively, and the performance is changed according to the adhesive strength of the rubber The disadvantage is that it is large.
  • Korean Patent Registration No. 10-1442757 discloses that the user can take a difficult posture smoothly by providing a more comfortable posture than before by adjusting the angle between the racket head and the handle, but the force applied to the ping-pong ball is limited to the user's physical ability. There are disadvantages.
  • An object of the present invention is to provide a table tennis racket in which the user increases the power to hit the table tennis ball by inserting a device using a material having a high repulsive force inside the table tennis racket.
  • the table tennis racket according to the present invention has a round plate shape and may include a racquet head having a protruding piece formed on its outer circumferential surface, a repulsive force improving unit having an insertion groove into which the protruding piece is inserted into the space formed therein, and a handle coupled to the outer surface of the repulsive improving unit have.
  • the repulsive force improving part may include a fixing plate having both sides cut out to form a cut-out groove into which the racket head is fitted, and being in close contact with the racket head in front and rear directions to fix the racket head.
  • the fixing plate may be selectively separated and coupled to the repulsive force improving part, and a slit groove into which the fixing plate is inserted into the repulsive force improving part may be formed.
  • the fixing protrusion may be in contact with the racket head and include fixing wings protruding from both sides to correspond to the shape of the racket head.
  • It may include a frame that surrounds the outer circumferential surface of the racquet head, both ends of which are coupled to the side surfaces of the repulsive force improving part.
  • the handle may be formed with a 'C'-shaped groove into which the repulsive force improving part is inserted.
  • the repulsive force improving part is characterized in that any one of carbon fiber reinforced plastic (CFRP), aluminum (Aluminum) and polycarbonate.
  • the magnitude of the force applied to the ping-pong ball at impact is increased by the repulsive force improving part inserted into the table tennis racket, and the weight applied to the wrist is reduced because it is light.
  • FIG. 1 is an exploded perspective view of a table tennis racket according to a first embodiment of the present invention.
  • FIG. 2 is a perspective view of a handle according to an embodiment of the present invention.
  • FIG 3 is an exploded perspective view of a repulsive force improving part (a) according to a second embodiment of the repulsive force improving part (b) according to the second embodiment of the present invention.
  • Figure 4 is a front view of the table tennis racket according to the first embodiment of the present invention.
  • FIG. 5 is an exploded perspective view of a table tennis racket according to a second embodiment of the present invention.
  • FIG. 6 is a front view of a table tennis racket according to a second embodiment of the present invention.
  • FIG. 1 is an exploded perspective view of a table tennis racket according to a first embodiment of the present invention.
  • the table tennis racket may be composed of a racquet head, a handle, a repulsive force improvement unit and a frame.
  • the racket head 100 is formed of a flat and round wooden board, and can hit a ping-pong ball by attaching a rubber to the flat surface.
  • the protruding piece 101 is formed on the outer peripheral surface of the racket head 100 so that the protruding piece 101 can be inserted into the repulsive force improving part 300 to be coupled thereto.
  • the handle 200 may have a 'C'-shaped groove 201 into which the user grips the grip and the repulsive force improving part 300 is inserted.
  • a 'C'-shaped groove 201 is formed in the handle 200 so that the repulsive force improving part 300 is visible from the outside, but this is only an example and is shown in FIG. 2(b).
  • a groove into which the repulsive force improving part 300 is inserted is formed inside the handle 200 to protect the repulsive force improving part 300 from the outside, and the 'C' shaped groove 201 is provided with the racket head ( 100) can be walked.
  • the repulsive force improving part 300 includes an insertion groove 301 , a cut-out groove 310 , a locking jaw 311 , a fixing plate 320 , and a slit groove 330 .
  • the repulsive force improving part 300 may be positioned in the 'C'-shaped groove 201, press-fitted, and fixed using an adhesive, screws, or other devices.
  • the repulsive force improving part 300 has an insertion groove 301 into which the protruding piece 101 is inserted, so that it can be inserted and coupled to the racket head 100 .
  • the insertion groove 301 may be formed to have a size corresponding to the protrusion piece 101 to press-fit and fix the protrusion piece 101 .
  • Both sides of the repulsive force improving part 300 may be cut out to form a cut-out groove 310 in which the racket head 100 is fitted, and a locking jaw 311 through which the racket head 100 is hung may be formed. .
  • the repulsive force improving unit 300 may include a fixing plate 320 that is fixed in contact with the racquet head 100 in front and rear directions and transmits a repulsive force to the racquet head 100 .
  • the fixing plate 320 may be formed to be selectively coupled with the repulsion improving part 300 .
  • the fixing plate 320 may include a protruding plate 320 (A) that is narrower than the thickness of the fixing plate 320 .
  • the repulsive force improving part 300 may be coupled to the fixing plate 320 by forming a slit groove 330 into which the protruding plate 320 (A) is inserted.
  • the frame 400 surrounds the outer circumferential surface of the racket head 100 and both ends may be formed by being coupled to both sides of the repulsion improving part 300 .
  • the frame 400 has a plurality of screw grooves 410 are formed, and by inserting a coupling screw 411 into the screw groove 410, the racket head 100 and the frame 400 can be coupled. .
  • the screw groove 410 is preferably formed on both sides.
  • the repulsion improving part 300 and the frame 400 may be made of any one of carbon fiber reinforced plastic (CFRP), aluminum, and polycarbonate material.
  • CFRP carbon fiber reinforced plastic
  • CFRP carbon fiber reinforced plastic
  • aluminum and polycarbonate materials have high elasticity and low specific gravity, so they have high repulsion and are light.
  • the magnitude of the repulsive force transmitted from the repulsive force improving unit 300 to the racket head 100 is determined by the elasticity of the repulsive force improving unit 300 and the weight of the table tennis racket 10 is light so that the user can use it for a long time. Available.
  • the table tennis racket may be composed of a racket head 100 , a handle 200 , and a repulsive force improvement unit 300 .
  • the racket head 100 is formed of a flat and round wooden board, and can hit a ping-pong ball by attaching a rubber to the flat surface.
  • the protruding piece 101 is formed on the outer peripheral surface of the racket head 100 so that the protruding piece 101 can be inserted into the repulsive force improving part 300 to be coupled thereto.
  • the handle 200 may have a 'C'-shaped groove 201 into which the user grips the grip and the repulsive force improving part 300 is inserted.
  • a 'C'-shaped groove 201 is formed in the handle 200 so that the repulsive force improving part 300 is visible from the outside, but this is only an example and is shown in FIG. 2(b).
  • a groove into which the repulsive force improving part 300 is inserted is formed inside the handle 200 to protect the repulsive force improving part 300 from the outside, and the 'C' shaped groove 201 is provided with the racket head ( 100) and the stator blades to be described below can be hung.
  • the repulsive force improving part may be composed of an insertion groove 301, a cut-out groove 310, a locking protrusion 311, a fixing plate 320, and a fixing blade.
  • the repulsive force improving part 300 may be positioned in the 'C'-shaped groove 201, press-fitted, and fixed using an adhesive, screws, or other devices.
  • the repulsive force improving part 300 has an insertion groove 301 into which the protruding piece 101 is inserted, so that it can be inserted and coupled to the racket head.
  • the insertion groove 301 may be formed to have a size corresponding to the protrusion piece 101 to press-fit and fix the protrusion piece 101 .
  • Both sides of the repulsive force improving part 300 may be cut out to form a cut-out groove 310 in which the racket head 100 is fitted, and a locking jaw 311 through which the racket head 100 is hung may be formed. .
  • the repulsive force improving unit 300 may include a fixing plate 320 that is fixed in contact with the racquet head 100 in front and rear directions and transmits a repulsive force to the racquet head 100 .
  • Fixed wings 321 protruding from both sides of the fixing plate 320 and corresponding to the shape of the racket head 100 may be formed.
  • the fixed wing 321 increases the coupling force by increasing the contact area between the repulsive force improving part 300 and the racquet head 100, and the impact transmitted from the racquet head 100 to the repulsive force improving part 300 As the absorption area is increased, the load applied to the repulsive force improving unit 300 may be reduced.
  • the repulsion improving unit 300 shown in FIG. 3(a) has a narrow contact area with the racquet head 100 and is concentrated on one side when absorbing shock, and the burden on the repulsive force improving unit 300
  • the repulsive force improving part 300 shown in FIG. 3(b) has a large contact area with the racket head 100 by the fixed wings 321 and is dispersed when absorbing shock to improve the repulsive force By being applied to the part 300 , the load on the repulsive force improving part 300 is reduced.
  • the repulsive force improving part 300 of FIG. It was difficult to evenly transmit the repulsive force to the entire racquet head 100, and the repulsive force improving part 300 of FIG. can be increased.
  • the frame 400 and the stator blade 321 are shown as individually configured, but the present invention is not limited thereto, and the frame 400 and the stator blade 321 are can be formed together.
  • the user separates the fixing plate 320 from the repulsion improving part 300 in order to smoothly insert the racket head 100 into the insertion groove 301 .
  • the fixing plate 320 is inserted into the slit groove 330 to fix the racket head 100 ) and the repulsion improving part 300 , and the coupling screw 411 is inserted into the screw groove 410 .
  • the frame 400 and the racket head 100 are fixed.
  • the repulsive force improving part 300 coupled to the racket head 100 is inserted into the 'C'-shaped groove 201 of the handle 200 and coupled thereto, and the repulsive force improving part using an adhesive or screw or other device. (300) is fixed.
  • the user inserts the racket head 100 into the insertion groove 301 and press-fits it and fixes it more strongly using adhesives, screws, or other devices.
  • the repulsive force improving part 300 is inserted into the 'C'-shaped groove 201 to be coupled, and the repulsive force improving part is fixed using an adhesive or screw or other device.
  • the repulsion improving unit 300 is formed of carbon fiber plastic (CFRP) or aluminum and polycarbonate, which are highly elastic materials.
  • CFRP carbon fiber plastic
  • the energy applied to the ping-pong ball is increased by transferring the energy to the ping-pong ball again from the repulsive force improving unit 300 .
  • the carbon fiber reinforced plastic (CFRP), aluminum (Aluminum) and polycarbonate has a low specific gravity, so that the table tennis racket 10 is light and the burden on the user's wrist can be reduced.
  • the repulsive force improving part 300 and the frame 400 are limited to any one of carbon fiber reinforced plastic (CFRP), aluminum, and polycarbonate, but this is only an example. It may be formed of any one of materials having a higher elasticity and a lower specific gravity than a table tennis racket.
  • CFRP carbon fiber reinforced plastic
  • aluminum aluminum
  • polycarbonate polycarbonate
  • a user-desired table tennis racket 10 can be manufactured.
  • the components of the table tennis racket 10 are easily disassembled and combined, so that when the user does not obtain the desired performance due to damage to the repulsion improving unit 300, it can be easily replaced.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention comprend une raquette de tennis de table qui : confère une puissance supérieure à la balle de tennis de table au moment de l'impact du fait d'un élément d'amélioration de force réactive, constitué d'un matériau hautement élastique, inséré à l'intérieur de la raquette de tennis de table ; a un cadre enroulé autour du périmètre de la tête de raquette pour la protéger ; et est légère pour réduire la pression sur le poignet du joueur.
PCT/KR2020/016603 2020-04-22 2020-11-23 Raquette de tennis de table WO2021215610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200048692A KR102408179B1 (ko) 2020-04-22 2020-04-22 탁구라켓
KR10-2020-0048692 2020-04-22

Publications (1)

Publication Number Publication Date
WO2021215610A1 true WO2021215610A1 (fr) 2021-10-28

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ID=78269390

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/016603 WO2021215610A1 (fr) 2020-04-22 2020-11-23 Raquette de tennis de table

Country Status (2)

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KR (1) KR102408179B1 (fr)
WO (1) WO2021215610A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010227371A (ja) * 2009-03-27 2010-10-14 Mizuno Corp 卓球用ラケット
KR20130004744U (ko) * 2012-01-30 2013-08-07 장선 탁구라켓
CN103537082A (zh) * 2013-10-30 2014-01-29 中山阳光体育制品有限公司 乒乓球拍
KR20140000889U (ko) * 2012-07-30 2014-02-07 정명선 탁구라켓 보호캡 및 이를 부착한 탁구라켓
CN206730426U (zh) * 2017-04-18 2017-12-12 赵睿骞 一种可以更换把手的乒乓球拍

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010227371A (ja) * 2009-03-27 2010-10-14 Mizuno Corp 卓球用ラケット
KR20130004744U (ko) * 2012-01-30 2013-08-07 장선 탁구라켓
KR20140000889U (ko) * 2012-07-30 2014-02-07 정명선 탁구라켓 보호캡 및 이를 부착한 탁구라켓
CN103537082A (zh) * 2013-10-30 2014-01-29 中山阳光体育制品有限公司 乒乓球拍
CN206730426U (zh) * 2017-04-18 2017-12-12 赵睿骞 一种可以更换把手的乒乓球拍

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Publication number Publication date
KR102408179B1 (ko) 2022-06-13
KR20210130459A (ko) 2021-11-01

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