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ES2079544T3 - TENNIS RACKET. - Google Patents

TENNIS RACKET.

Info

Publication number
ES2079544T3
ES2079544T3 ES91119160T ES91119160T ES2079544T3 ES 2079544 T3 ES2079544 T3 ES 2079544T3 ES 91119160 T ES91119160 T ES 91119160T ES 91119160 T ES91119160 T ES 91119160T ES 2079544 T3 ES2079544 T3 ES 2079544T3
Authority
ES
Spain
Prior art keywords
profile
inward
composite material
protruding
concave section
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.)
Expired - Lifetime
Application number
ES91119160T
Other languages
Spanish (es)
Inventor
Hugo Sol
Isabelle Koeckelberg
Jacques Meertens
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.)
Donnay International SA
Original Assignee
Donnay International SA
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
Priority claimed from DE4037568A external-priority patent/DE4037568A1/en
Priority claimed from DE4116901A external-priority patent/DE4116901A1/en
Application filed by Donnay International SA filed Critical Donnay International SA
Application granted granted Critical
Publication of ES2079544T3 publication Critical patent/ES2079544T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • A63B2049/0207—Frames with defined overall length
    • 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
    • A63B2049/0211—Frames with variable thickness of the head in a direction perpendicular to the string plane
    • 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
    • A63B2049/0212—Frames with defined weight
    • 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
    • A63B2049/0217—Frames with variable thickness of the head in the string plane
    • 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
    • A63B60/002—Resonance frequency related characteristics
    • 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

Landscapes

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

Abstract

The racquet frame (3) has a tubular, thin-walled, enclosed profile on the outside of which, facing the opening (4), is an inward-protruding, concave section (8) joined to the top and bottom cup parts (10, 11) by means of wall parts (9). The wall parts slope toward the plane of the strings at an angle of (alpha) of between 25 and 65 degrees. The profile is reinforced in the area of the outer, inward-protruding concave section. The frame's profile is made of composite material, and the reinforcement made of two overlapping layers of the composite material.
ES91119160T 1990-11-26 1991-11-11 TENNIS RACKET. Expired - Lifetime ES2079544T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4037568A DE4037568A1 (en) 1990-11-26 1990-11-26 TENNIS RACKET
DE4116901A DE4116901A1 (en) 1991-05-23 1991-05-23 Tennis racket with stiff head on flexible connecting arm

Publications (1)

Publication Number Publication Date
ES2079544T3 true ES2079544T3 (en) 1996-01-16

Family

ID=25898770

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91119160T Expired - Lifetime ES2079544T3 (en) 1990-11-26 1991-11-11 TENNIS RACKET.

Country Status (5)

Country Link
EP (2) EP0487963B1 (en)
JP (1) JPH05168730A (en)
AT (1) ATE129912T1 (en)
DE (1) DE59106859D1 (en)
ES (1) ES2079544T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6447412B1 (en) * 2000-04-18 2002-09-10 Ef Composite Technologies, L.P. Sports racket with undulations in frame interior surface
JP4515671B2 (en) * 2001-08-28 2010-08-04 Ｓｒｉスポーツ株式会社 Racket frame
PT10466T (en) * 2009-08-24 2010-02-24 Jose Manuel Silvestre Monteiro DOUBLE-FACE TENNIS RACKET
DE102021004130B3 (en) 2021-08-11 2022-08-11 Head Technology Gmbh Ball game racquet frame with improved torsion
DE202021002644U1 (en) 2021-08-11 2021-09-21 Head Technology Gmbh Ball game racket frame with improved torsion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2282195A (en) * 1941-02-05 1942-05-05 Compte John M Le Racket
DE2738997A1 (en) * 1977-08-30 1979-03-15 Reinhold Sommer Tennis racket with hollow section frame - deflects under impact of ball to increase elasticity and help control stroke played
DE3379712D1 (en) * 1982-09-27 1989-06-01 Soong Tsai C Frame for sports racket
BE1000689A6 (en) * 1987-07-14 1989-03-14 Donnay Donnay S A Ets Tennis racket, squash sport or similar.
IN170468B (en) * 1987-08-04 1992-03-28 Wilson Sporting Goods
DE8715560U1 (en) * 1987-11-24 1988-03-10 Tegro GmbH Groß- und Einzelhandel für Tennisartikel, 8702 Leinach Rackets especially for squash

Also Published As

Publication number Publication date
EP0487963A1 (en) 1992-06-03
ATE129912T1 (en) 1995-11-15
EP0671186A1 (en) 1995-09-13
JPH05168730A (en) 1993-07-02
DE59106859D1 (en) 1995-12-14
EP0487963B1 (en) 1995-11-08

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