JPH0429621Y2 - - Google Patents

Info

Publication number
JPH0429621Y2
JPH0429621Y2 JP1988006647U JP664788U JPH0429621Y2 JP H0429621 Y2 JPH0429621 Y2 JP H0429621Y2 JP 1988006647 U JP1988006647 U JP 1988006647U JP 664788 U JP664788 U JP 664788U JP H0429621 Y2 JPH0429621 Y2 JP H0429621Y2
Authority
JP
Japan
Prior art keywords
frame
thickness
ball
shaft
tennis racket
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
Application number
JP1988006647U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01112868U (en]
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 filed Critical
Priority to JP1988006647U priority Critical patent/JPH0429621Y2/ja
Priority to AU15379/88A priority patent/AU604881B2/en
Priority to DE3815376A priority patent/DE3815376A1/de
Priority to CA000567289A priority patent/CA1301798C/en
Priority to GB8811960A priority patent/GB2214434B/en
Priority to FR888806944A priority patent/FR2626186B1/fr
Priority to US07/204,876 priority patent/US4919438A/en
Publication of JPH01112868U publication Critical patent/JPH01112868U/ja
Application granted granted Critical
Publication of JPH0429621Y2 publication Critical patent/JPH0429621Y2/ja
Expired 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
    • A63B49/10—Frames made of non-metallic materials, other than wood
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Golf Clubs (AREA)
  • Moulding By Coating Moulds (AREA)
JP1988006647U 1988-01-23 1988-01-23 Expired JPH0429621Y2 (en])

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1988006647U JPH0429621Y2 (en]) 1988-01-23 1988-01-23
AU15379/88A AU604881B2 (en) 1988-01-23 1988-05-02 Tennis racket
DE3815376A DE3815376A1 (de) 1988-01-23 1988-05-05 Tennisschlaeger
CA000567289A CA1301798C (en) 1988-01-23 1988-05-19 Tennis racket
GB8811960A GB2214434B (en) 1988-01-23 1988-05-20 Improvements in and relating to tennis rackets
FR888806944A FR2626186B1 (fr) 1988-01-23 1988-05-25 Raquette de tennis
US07/204,876 US4919438A (en) 1988-01-23 1988-06-10 Tennis racket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988006647U JPH0429621Y2 (en]) 1988-01-23 1988-01-23

Publications (2)

Publication Number Publication Date
JPH01112868U JPH01112868U (en]) 1989-07-28
JPH0429621Y2 true JPH0429621Y2 (en]) 1992-07-17

Family

ID=11644168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988006647U Expired JPH0429621Y2 (en]) 1988-01-23 1988-01-23

Country Status (7)

Country Link
US (1) US4919438A (en])
JP (1) JPH0429621Y2 (en])
AU (1) AU604881B2 (en])
CA (1) CA1301798C (en])
DE (1) DE3815376A1 (en])
FR (1) FR2626186B1 (en])
GB (1) GB2214434B (en])

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208356B (en) * 1987-08-04 1991-08-07 Wilson Sporting Goods Tennis racket
FR2630336B1 (fr) * 1988-04-26 1990-07-13 Rossignol Sa Raquette de tennis
AT393967B (de) * 1989-09-11 1992-01-10 Head Sportgeraete Gmbh Ballschlaeger, insbesondere tennisschlaeger
US5076583A (en) * 1990-08-21 1991-12-31 Sportstech Industries (U.S. Tech) Inc. Racket frame with circular cross section and variable thickness
US5540434A (en) * 1990-08-21 1996-07-30 Wilson Sporting Goods Co. Tennis racket
US5048830A (en) * 1990-09-20 1991-09-17 Lo Kun Nan Racket frame with shock absorbing characteristics
DE4037568A1 (de) * 1990-11-26 1992-05-27 Donnay Int Sa Tennisschlaeger
JP2601955B2 (ja) * 1991-07-09 1997-04-23 住友ゴム工業株式会社 テニスラケットフレーム
US5312102A (en) * 1993-02-04 1994-05-17 Lisco, Inc. Variable inertia head racket
US5368295A (en) * 1993-06-02 1994-11-29 Wilson Sporting Goods Co. Tennis racket
USD369194S (en) 1994-10-13 1996-04-23 Wilson Sporting Goods Co. Tennis racquet
US6062994A (en) * 1998-04-10 2000-05-16 Ef Composite Technologies, L.P. Reinforced racquet with flat string bed
RU2159085C1 (ru) * 2000-01-24 2000-11-20 Елистратов Юрий Петрович Контейнер для медицинского инструментария
US6447412B1 (en) 2000-04-18 2002-09-10 Ef Composite Technologies, L.P. Sports racket with undulations in frame interior surface
US6852048B1 (en) 2002-05-17 2005-02-08 Ef Composite Technologies, L.P. Guiding and vibration dampening string tubes for sports racquets
US7097576B2 (en) * 2002-05-17 2006-08-29 Ef Composite Technologies, L.P. String bearing assemblies for sports racquets
DE20305073U1 (de) * 2003-03-24 2004-09-16 Turzer, Harald Ballschläger
US7867114B2 (en) * 2003-09-29 2011-01-11 Ce Composites Baseball Inc. Multi-walled tubular baseball bats with barrel inserts of variable geometry
US20050070384A1 (en) * 2003-09-29 2005-03-31 Stephen Fitzgerald Tubular baseball bats with variable stiffened barrels
UA96768C2 (uk) * 2006-08-02 2011-12-12 Йоганес Гутенберг-Універсітет Майнц Лікарський засіб від lct-отруєнь
USD735824S1 (en) 2014-05-28 2015-08-04 SP Tennis, LLC Sports racquet
JP6776883B2 (ja) * 2016-12-26 2020-10-28 住友ゴム工業株式会社 テニスラケットフレーム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809402A (en) * 1969-01-02 1974-05-07 Dunlop Holdings Ltd Tennis rackets and frames therefor
US3647211A (en) * 1970-06-08 1972-03-07 James H Doessel Plastic tennis racket having predetermined cross sections effecting flexibility
JPS5344235A (en) * 1976-10-04 1978-04-20 Nippon Gakki Seizo Kk Racket frame and method of manufacturing the same
JPS558518U (en]) * 1978-06-30 1980-01-19
JPS58166364U (ja) * 1982-04-30 1983-11-05 美津濃株式会社 バドミントンラケツト
DE3312834C2 (de) * 1983-04-09 1986-09-04 Ulrich Pawlicki Ballspielschläger, insbesondere Tennisschläger
DE8427999U1 (de) * 1984-09-22 1987-03-26 Kuebler, Siegfried, 7770 Überlingen Schläger für Spiele mit begrenzt elastischem Ball
JPS62200358U (en]) * 1986-06-13 1987-12-21
NL187669C (nl) * 1988-01-22 1991-12-16 Pols Erik Bernard Van Der Tennisracket.

Also Published As

Publication number Publication date
DE3815376A1 (de) 1989-08-03
AU1537988A (en) 1989-07-27
AU604881B2 (en) 1991-01-03
GB2214434A (en) 1989-09-06
US4919438A (en) 1990-04-24
FR2626186A1 (fr) 1989-07-28
JPH01112868U (en]) 1989-07-28
GB2214434B (en) 1991-10-30
GB8811960D0 (en) 1988-06-22
FR2626186B1 (fr) 1991-11-29
CA1301798C (en) 1992-05-26

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