WO1994028980A1 - Raquette de sport - Google Patents

Raquette de sport Download PDF

Info

Publication number
WO1994028980A1
WO1994028980A1 PCT/US1994/006187 US9406187W WO9428980A1 WO 1994028980 A1 WO1994028980 A1 WO 1994028980A1 US 9406187 W US9406187 W US 9406187W WO 9428980 A1 WO9428980 A1 WO 9428980A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft portion
slot
racket
vibration absorbing
absorbing material
Prior art date
Application number
PCT/US1994/006187
Other languages
English (en)
Inventor
Robert S. Long
Thomas Schnoll
Original Assignee
Sports Management Enterprises
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 Sports Management Enterprises filed Critical Sports Management Enterprises
Publication of WO1994028980A1 publication Critical patent/WO1994028980A1/fr

Links

Classifications

    • 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
    • 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
    • A63B60/52—Details or accessories of golf clubs, bats, rackets or the like with slits
    • 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
    • A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations
    • 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
    • A63B49/03—Frames characterised by throat sections, i.e. sections or elements between the head and the shaft
    • 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
    • A63B60/16—Caps; Ferrules

Definitions

  • the present invention relates to a sports racket such as a tennis racket, in particular incorporating means for damping vibrations set up in the frame of the racket during use.
  • a sports racket comprising a head frame and a shaft portion extending outwardly of the head frame, the shaft portion including a hand grip at a free end thereof, the shaft portion having a slot, a vibration absorbing material being provided in the slot.
  • a sports racket comprising a head frame and a shaft portion extending outwardly of the head frame, the shaft portion including a hand grip at a free end thereof, the shaft portion having one or more channels extending along at least part of the shaft portion, a vibration absorbing material being provided in the or each channel.
  • a sports racket comprising a head frame and a shaft portion extending outwardly of the head frame, the shaft portion including a hand-grip at a free end thereof, the shaft portion having a slot and one or more channels extending outwardly from the slot along the shaft portion, a vibration absorbing material being provided in the slot and in the or each channel.
  • the slot is provided in the shaft portion between the hand-grip and the head frame. Ideally, the slot extends through the shaft portion between opposite sides of the shaft portion.
  • the channels extend along an exterior of the shaft portion.
  • the or each channel extends between the slot and a free end of the shaft portion.
  • two channels are provided in the shaft portion extending along opposite sides of the shaft portion.
  • each insert for a channel is integrally formed with at least portion of an insert for the slot.
  • each insert comprises one or more elongate strips of material, each for engagement within a channel, each strip having an enlarged head at one end for complementary engagement within the slot.
  • a pair of inserts are provided each having an elongate strip of material mounted in one of a pair of channels extending along opposite sides of the shaft portion, each insert having a head which engages within the slot. Ideally the inserts are bonded together within the slot.
  • the vibration absorbing material is an elastomeric material.
  • the vibration absorbing material may be a polyvinyl chloride elastomer.
  • suitable vibration absorbing materials an elastomeric polyurethane foam, Pebax, Sorbathane and Trethane.
  • the vibration absorbing material is translucent.
  • the vibration absorbing material may be of any desirable colour.
  • the invention may be applied to sports rackets for playing different types of games, for example tennis, squash, badminton, racketball, paddle tennis, platform tennis, table tennis and the like. It is also envisaged that the invention may be applied to other types of hand-held athletic equipment, implements, tools and the like, for example hammers, used for hitting objects to damp vibrations in the handle of any of such devices.
  • Fig. 1 is a partially cut-away perspective view of a shaft portion of a racket according to the invention with vibration absorbing inserts in position;
  • Fig. 2 is a perspective view of the shaft portion with a hand grip cover of the racket and the vibration absorbing inserts removed;
  • Fig. 3 is an elevational view of a frame of the racket of Fig. 2;
  • Fig. 4 is an end view of a shaft portion of the racket frame of Fig. 3;
  • Fig. 5 is a detail partially sectioned view taken along the line V-V of Fig. 1;
  • Fig. 6 is a cross-sectional view of a shaft portion of the racket frame taken along the line VI-VI of Fig. 5;
  • Fig. 7 is a perspective view of an insert of vibration absorbing material forming portion of the racket
  • Fig. 8 is a sectional view taken along the line VIII-VIII of Fig. 7;
  • Fig. 9 is an enlarged sectional view of a shaft portion of the racket taken along the line IX-IX of Fig. 3.
  • the racket 1 comprises a head- frame 2 of generally known construction having strings 3 arranged thereon in known fashion.
  • a shaft portion 4 extends from the head-frame 2.
  • the shaft portion 4 has an inner end 5 and a hand-grip 6 at an outer free end thereof.
  • Inserts 10 of vibration absorbing elastomeric material are mounted on the shaft portion 4.
  • a slot 7 is provided in the shaft portion 4 at the inner end 5 between the hand-grip 6 and the head frame 2.
  • a pair of channels 8 extend along the shaft portion 4 from the slot 7 to a free end 9 of the shaft portion 4. It will be noted that the channels 8 extend along an exterior of the shaft portion 4 at opposite sides of the shaft portion 4.
  • Each insert 10 has an elongate strip 13 for engagement within a channel 8.
  • An enlarged head 14 at one end of the strip 13 engages within the slot 7.
  • the heads 14 are generally bonded together within the slot 7, however in some cases they may not be bonded.
  • the inserts are preferably of translucent material and may be of any desirable colour.
  • a grip 20 is wound around the shaft portion 4 to form the hand-grip 6 enclosing the inserts 10 within the channels 8.
  • a butt cap 22 is mounted at the free end 9 of the shaft portion 4. This butt cap 22 may be of any suitable construction, for example either a one piece butt cap or a two piece butt cap.
  • the racket 1 In use, the racket 1 is used in conventional fashion.
  • the inserts 10 of elastomeric material dampen vibrations in the frame thus increasing the comfort for a player using the racket 1.
  • the slot may extend either partially or fully through the shaft portion and may be of any desirable shape and/or size. While the slot may be provided anywhere along the shaft portion, it is preferably provided between the hand grip and the head- frame for vibration damping.
  • both a slot and one or more channels filled with vibration absorbing material may be provided, however, it is preferable that both a slot and one or more channels are provided on the shaft portion.
  • only one channel may be provided or more than two channels may be provided either arranged on opposite faces of the shaft portion or spaced-apart around the shaft portion.
  • the channels may be of any suitable length and need not necessarily extend to a free end of the shaft portion.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)

Abstract

Raquette (1) de sport absorbant les chocs comprenant un cadre (2) de tête et une partie manche (4) qui s'étend vers l'extérieur depuis le cadre (2). La partie manche (4) comporte une poignée (6). Deux éléments rapportés (10) en matière élastomère absorbant les vibrations sont montés sur la partie manche (4) dans une fente associée (7) prévue à l'extrémité interne (5) de la partie manche (4) et dans des rainures associées (8) qui s'étendent le long de la partie manche (4) depuis la fourche (7) jusqu'à une extrémité libre (9) de la partie manche (4).
PCT/US1994/006187 1993-06-03 1994-06-02 Raquette de sport WO1994028980A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE930422 1993-06-03
IE930422 1993-06-03

Publications (1)

Publication Number Publication Date
WO1994028980A1 true WO1994028980A1 (fr) 1994-12-22

Family

ID=11039982

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/006187 WO1994028980A1 (fr) 1993-06-03 1994-06-02 Raquette de sport

Country Status (1)

Country Link
WO (1) WO1994028980A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6565463B2 (en) * 2001-09-25 2003-05-20 Chin-Dong Pai Shock-absorbing racket body
FR2887154A1 (fr) * 2005-06-17 2006-12-22 Oudoul Sa Instrument pour la pratique de jeux de balle, de type pala, paleta ou analogue, et procede de fabrication d'un tel instrument

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948131A (en) * 1988-05-14 1990-08-14 Kabushiki Kaisha Sigel Vibration dampening racket
US5039096A (en) * 1990-05-02 1991-08-13 Dennis Chen Shock absorbing racket
US5088734A (en) * 1990-07-09 1992-02-18 Glava Gary L Attenuating handle for recreational and work implements
US5188360A (en) * 1990-08-29 1993-02-23 Dennis Chen Structure of racket with improved weight distribution adjusting mechanism
US5240247A (en) * 1990-07-13 1993-08-31 Head Sport Aktiengesellschaft Racquet for ball games

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948131A (en) * 1988-05-14 1990-08-14 Kabushiki Kaisha Sigel Vibration dampening racket
US5039096A (en) * 1990-05-02 1991-08-13 Dennis Chen Shock absorbing racket
US5088734A (en) * 1990-07-09 1992-02-18 Glava Gary L Attenuating handle for recreational and work implements
US5240247A (en) * 1990-07-13 1993-08-31 Head Sport Aktiengesellschaft Racquet for ball games
US5188360A (en) * 1990-08-29 1993-02-23 Dennis Chen Structure of racket with improved weight distribution adjusting mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6565463B2 (en) * 2001-09-25 2003-05-20 Chin-Dong Pai Shock-absorbing racket body
FR2887154A1 (fr) * 2005-06-17 2006-12-22 Oudoul Sa Instrument pour la pratique de jeux de balle, de type pala, paleta ou analogue, et procede de fabrication d'un tel instrument

Similar Documents

Publication Publication Date Title
US5692971A (en) Shock absorbing insert and other sporting goods improvements
US6960144B2 (en) Sports equipment handle
US5122405A (en) Shock absorbing means for sporting equipment handles
US6837812B2 (en) Vibration dampening grip cover for the handle of an implement
US5435549A (en) Grip for sporting equipment
US6052827A (en) Vibration reducing sports glove
US5690566A (en) End cap for racket handle
US5865694A (en) Tennis racket with vibration damping and torsional elasticity
US20030084756A1 (en) Vibration reducing grip for clubs and racquets
EP1314456B1 (fr) Elément protecteur de cordes formé en deux parties pour raquette de sport
JP3826313B2 (ja) グリップエンド底部加重用錘及びグリップエンド底部加重構造
WO2003103949A1 (fr) Materiau multicouche conçu pour dissiper et reduire des vibrations
US7150113B2 (en) Vibration dampening material and method of making same
GB2321855A (en) Ball striking device
US4192506A (en) Racquet safety device
US5620180A (en) Grip of badminton racket
US5931748A (en) Shock-absorbing racket handle
WO1994028980A1 (fr) Raquette de sport
JP2921486B2 (ja) ラケット
GB2361874A (en) Grips for sporting implements
US20030228816A1 (en) Multi-layer material adapted to dissipate and reduce vibrations
JP3135520U (ja) 多機能ラケット
JPH06312036A (ja) 打球用具
US20050137025A1 (en) Vibration dampening material and method of making same
KR920008956Y1 (ko) 연구(軟球)용 배트

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): DE JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642