JPH0429624Y2 - - Google Patents
Info
- Publication number
- JPH0429624Y2 JPH0429624Y2 JP1987189359U JP18935987U JPH0429624Y2 JP H0429624 Y2 JPH0429624 Y2 JP H0429624Y2 JP 1987189359 U JP1987189359 U JP 1987189359U JP 18935987 U JP18935987 U JP 18935987U JP H0429624 Y2 JPH0429624 Y2 JP H0429624Y2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- thickness
- sides
- maximum
- gut
- 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
Links
- 235000009508 confectionery Nutrition 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
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)
- Laminated Bodies (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987189359U JPH0429624Y2 (US06432973-20020813-C00010.png) | 1987-11-17 | 1987-11-17 | |
AU83172/87A AU598892B2 (en) | 1987-11-17 | 1987-12-31 | Tennis racket |
DE3800362A DE3800362A1 (de) | 1987-11-17 | 1988-01-08 | Tennisschlaeger |
GB888800344A GB8800344D0 (en) | 1987-11-17 | 1988-01-08 | Tennis racket |
GB8801181A GB2212403A (en) | 1987-11-17 | 1988-01-20 | Tennis racket |
CA000557352A CA1299602C (en) | 1987-11-17 | 1988-01-26 | Tennis racket |
US07/164,394 US4911444A (en) | 1987-11-17 | 1988-03-04 | Tennis racket |
FR8803718A FR2623097A1 (US06432973-20020813-C00010.png) | 1987-11-17 | 1988-03-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987189359U JPH0429624Y2 (US06432973-20020813-C00010.png) | 1987-11-17 | 1987-11-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0180162U JPH0180162U (US06432973-20020813-C00010.png) | 1989-05-30 |
JPH0429624Y2 true JPH0429624Y2 (US06432973-20020813-C00010.png) | 1992-07-17 |
Family
ID=16240004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987189359U Expired JPH0429624Y2 (US06432973-20020813-C00010.png) | 1987-11-17 | 1987-11-17 |
Country Status (7)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5540434A (en) * | 1990-08-21 | 1996-07-30 | Wilson Sporting Goods Co. | Tennis racket |
US5062634A (en) * | 1990-08-31 | 1991-11-05 | Wilson Sporting Goods Co. | Squash racket |
US5048830A (en) * | 1990-09-20 | 1991-09-17 | Lo Kun Nan | Racket frame with shock absorbing characteristics |
US5299801A (en) * | 1991-05-23 | 1994-04-05 | Donnay International S.A. | Tennis racket |
GB2258158A (en) * | 1991-08-02 | 1993-02-03 | Kuni Tseng | Seamless racket. |
US5312102A (en) * | 1993-02-04 | 1994-05-17 | Lisco, Inc. | Variable inertia head racket |
AT406733B (de) * | 1993-08-05 | 2000-08-25 | Head Sport Ag | Schlägerrahmen |
DE4495737T1 (de) * | 1993-08-05 | 1996-10-17 | Degaris | Ultradünner Schlägerrahmen |
US6422958B1 (en) | 1994-02-24 | 2002-07-23 | David W. Repetto | Frame for a game racquet formed by filament winding |
US6062994A (en) * | 1998-04-10 | 2000-05-16 | Ef Composite Technologies, L.P. | Reinforced racquet with flat string bed |
US6447412B1 (en) | 2000-04-18 | 2002-09-10 | Ef Composite Technologies, L.P. | Sports racket with undulations in frame interior surface |
GB0319259D0 (en) * | 2003-08-15 | 2003-09-17 | Imp College Innovations Ltd | Tennis racket |
KR200450692Y1 (ko) | 2008-10-08 | 2010-10-22 | (주)스포츠유피 | 스트링의 탄성력을 강화한 배드민턴 라켓 프레임 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558518B2 (US06432973-20020813-C00010.png) * | 1977-02-22 | 1980-03-04 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2878020A (en) * | 1949-12-16 | 1959-03-17 | Roy H Robinson | Racket for batting games |
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 |
JPS5344235A (en) * | 1976-10-04 | 1978-04-20 | Nippon Gakki Seizo Kk | Racket frame and method of manufacturing the same |
JPS5412930A (en) * | 1977-06-30 | 1979-01-31 | Hitachi Chem Co Ltd | Racket frame |
WO1980002510A1 (en) * | 1979-05-17 | 1980-11-27 | J Frolow | Tennis racket |
US4561655A (en) * | 1984-06-14 | 1985-12-31 | Ektelon | Tubular steel racquet frame having varying cross-section |
ZA852092B (en) * | 1984-07-31 | 1985-11-27 | Cons Sporting Goods | Tapered racquet |
DE3434898A1 (de) * | 1984-09-22 | 1986-04-17 | Siegfried 7770 Überlingen Kuebler | Schlaeger fuer spiele mit begrenzt elastischem ball |
-
1987
- 1987-11-17 JP JP1987189359U patent/JPH0429624Y2/ja not_active Expired
- 1987-12-31 AU AU83172/87A patent/AU598892B2/en not_active Ceased
-
1988
- 1988-01-08 DE DE3800362A patent/DE3800362A1/de not_active Withdrawn
- 1988-01-08 GB GB888800344A patent/GB8800344D0/en active Pending
- 1988-01-20 GB GB8801181A patent/GB2212403A/en not_active Withdrawn
- 1988-01-26 CA CA000557352A patent/CA1299602C/en not_active Expired - Lifetime
- 1988-03-04 US US07/164,394 patent/US4911444A/en not_active Expired - Fee Related
- 1988-03-22 FR FR8803718A patent/FR2623097A1/fr active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558518B2 (US06432973-20020813-C00010.png) * | 1977-02-22 | 1980-03-04 |
Also Published As
Publication number | Publication date |
---|---|
GB8801181D0 (en) | 1988-02-17 |
AU8317287A (en) | 1989-05-18 |
GB8800344D0 (en) | 1988-02-10 |
CA1299602C (en) | 1992-04-28 |
US4911444A (en) | 1990-03-27 |
DE3800362A1 (de) | 1989-05-24 |
AU598892B2 (en) | 1990-07-05 |
FR2623097A1 (US06432973-20020813-C00010.png) | 1989-05-19 |
JPH0180162U (US06432973-20020813-C00010.png) | 1989-05-30 |
GB2212403A (en) | 1989-07-26 |
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