FR2668073B1 - Cadre de raquette a caracteristiques d'amortissement des chocs. - Google Patents

Cadre de raquette a caracteristiques d'amortissement des chocs.

Info

Publication number
FR2668073B1
FR2668073B1 FR909012812A FR9012812A FR2668073B1 FR 2668073 B1 FR2668073 B1 FR 2668073B1 FR 909012812 A FR909012812 A FR 909012812A FR 9012812 A FR9012812 A FR 9012812A FR 2668073 B1 FR2668073 B1 FR 2668073B1
Authority
FR
France
Prior art keywords
shock absorbing
racket frame
absorbing characteristics
racket
frame
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 - Fee Related
Application number
FR909012812A
Other languages
English (en)
Other versions
FR2668073A1 (fr
Inventor
Lo Kun-Nan
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
Publication of FR2668073A1 publication Critical patent/FR2668073A1/fr
Application granted granted Critical
Publication of FR2668073B1 publication Critical patent/FR2668073B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • A63B2049/0217—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
    • 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
    • A63B60/002—Resonance frequency related characteristics

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Vibration Dampers (AREA)
  • Vibration Prevention Devices (AREA)
  • Laminated Bodies (AREA)
  • Pinball Game Machines (AREA)
FR909012812A 1990-09-20 1990-10-17 Cadre de raquette a caracteristiques d'amortissement des chocs. Expired - Fee Related FR2668073B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/585,761 US5048830A (en) 1990-09-20 1990-09-20 Racket frame with shock absorbing characteristics

Publications (2)

Publication Number Publication Date
FR2668073A1 FR2668073A1 (fr) 1992-04-24
FR2668073B1 true FR2668073B1 (fr) 1993-01-29

Family

ID=24342849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909012812A Expired - Fee Related FR2668073B1 (fr) 1990-09-20 1990-10-17 Cadre de raquette a caracteristiques d'amortissement des chocs.

Country Status (4)

Country Link
US (1) US5048830A (fr)
DE (1) DE4031296C2 (fr)
FR (1) FR2668073B1 (fr)
GB (1) GB2251387B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673381B1 (fr) * 1991-02-28 1994-05-06 Rossignol Sa Skis Raquette a asymetrie longitudinale.
GB9120585D0 (en) * 1991-09-27 1991-11-06 Dunlop Ltd Games racket frame
GB2262892A (en) * 1991-12-31 1993-07-07 Lo Kun Nan Racket frame with shock absorbing characteristics.
FR2691073B1 (fr) * 1992-05-14 1995-06-23 Rossignol Sa Raquette asymetrique pour la pratique du tennis ou analogue.
US5312102A (en) * 1993-02-04 1994-05-17 Lisco, Inc. Variable inertia head racket
US6062994A (en) * 1998-04-10 2000-05-16 Ef Composite Technologies, L.P. Reinforced racquet with flat string bed
US7097576B2 (en) * 2002-05-17 2006-08-29 Ef Composite Technologies, L.P. String bearing assemblies for sports racquets
US6852048B1 (en) 2002-05-17 2005-02-08 Ef Composite Technologies, L.P. Guiding and vibration dampening string tubes for sports racquets

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB482164A (en) * 1937-02-08 1938-03-24 Accles & Pollock Ltd Improvements relating to shafts for tennis, squash, badminton and other like racquets
US3647211A (en) * 1970-06-08 1972-03-07 James H Doessel Plastic tennis racket having predetermined cross sections effecting flexibility
JPS52146329A (en) * 1976-05-27 1977-12-06 Nippon Gakki Seizo Kk Racket frame
US4690405A (en) * 1983-10-19 1987-09-01 Frolow Jack L Tennis racket
DE8427999U1 (de) * 1984-09-22 1987-03-26 Kuebler, Siegfried, 7770 Überlingen Schläger für Spiele mit begrenzt elastischem Ball
JPH0429624Y2 (fr) * 1987-11-17 1992-07-17
JPH0429621Y2 (fr) * 1988-01-23 1992-07-17
US4997186A (en) * 1989-12-08 1991-03-05 Ferrari Importing Company, Inc. Racket frame having multi-dimensional cross-sectional construction

Also Published As

Publication number Publication date
FR2668073A1 (fr) 1992-04-24
DE4031296C2 (de) 1993-12-23
GB2251387B (en) 1994-08-31
GB9100035D0 (en) 1991-02-20
US5048830A (en) 1991-09-17
GB2251387A (en) 1992-07-08
DE4031296A1 (de) 1992-04-09

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 17/92

ST Notification of lapse
ST Notification of lapse