EP0176021A3 - Racket for games with balls of limited elasticity - Google Patents

Racket for games with balls of limited elasticity Download PDF

Info

Publication number
EP0176021A3
EP0176021A3 EP85111713A EP85111713A EP0176021A3 EP 0176021 A3 EP0176021 A3 EP 0176021A3 EP 85111713 A EP85111713 A EP 85111713A EP 85111713 A EP85111713 A EP 85111713A EP 0176021 A3 EP0176021 A3 EP 0176021A3
Authority
EP
European Patent Office
Prior art keywords
racket
ball
handle
frame portion
head 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.)
Granted
Application number
EP85111713A
Other languages
German (de)
Other versions
EP0176021B1 (en
EP0176021A2 (en
Inventor
Siegfried Kuebler
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
Priority to AT85111713T priority Critical patent/ATE63836T1/en
Priority to EP88202025A priority patent/EP0310169B2/en
Publication of EP0176021A2 publication Critical patent/EP0176021A2/en
Publication of EP0176021A3 publication Critical patent/EP0176021A3/en
Application granted granted Critical
Publication of EP0176021B1 publication Critical patent/EP0176021B1/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
    • 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
    • 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

Abstract

A racket for playing a game using a ball of limited resiliency such as a tennis racket comprises a racket head frame portion provided with stringing, a handle, and a shaft arrangement connecting the racket head frame portion and the handle. The resonance frequency of the racket head frame portion at least approximately corresponds to the period of time for which a ball is in contact with the strings of the racket when struck thereby, and the natural frequency of the racket substantially corresponds to the excitation frequency of the ball. The thickness of the racket frame as measured in a direction normal to the plane of the stringing is greater than the thickness of the handle as measured in a corresponding direction.
EP85111713A 1984-09-22 1985-09-17 Tennis racket Expired - Lifetime EP0176021B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT85111713T ATE63836T1 (en) 1984-09-22 1985-09-17 TENNIS RACKET.
EP88202025A EP0310169B2 (en) 1984-09-22 1985-09-17 Rackets for ball games, especially tennis rackets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843434956 DE3434956A1 (en) 1984-09-22 1984-09-22 BULLETS FOR GAMES WITH LIMITED ELASTIC BALL
DE3434956 1984-09-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP88202025.8 Division-Into 1985-09-17

Publications (3)

Publication Number Publication Date
EP0176021A2 EP0176021A2 (en) 1986-04-02
EP0176021A3 true EP0176021A3 (en) 1986-10-08
EP0176021B1 EP0176021B1 (en) 1991-05-29

Family

ID=6246171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111713A Expired - Lifetime EP0176021B1 (en) 1984-09-22 1985-09-17 Tennis racket

Country Status (4)

Country Link
US (1) US4664380A (en)
EP (1) EP0176021B1 (en)
AT (1) ATE63226T1 (en)
DE (5) DE3434898A1 (en)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3578314D1 (en) * 1984-07-10 1990-07-26 Sumitomo Rubber Ind BALL STRIKE DEVICE.
DE3735069A1 (en) * 1986-10-17 1988-06-16 Siegfried Kuebler Tennis racket
JPS63270068A (en) * 1987-04-28 1988-11-08 ヤマハ株式会社 Racket frame
IN170468B (en) * 1987-08-04 1992-03-28 Wilson Sporting Goods
JPH0429624Y2 (en) * 1987-11-17 1992-07-17
JPH0429621Y2 (en) * 1988-01-23 1992-07-17
JP2625825B2 (en) * 1988-02-19 1997-07-02 ヤマハ株式会社 Racket frame
US5211398A (en) * 1988-02-19 1993-05-18 Yamaha Corporation Hollow tennis racket frame with matched frequency of vibration
US5037098A (en) * 1988-04-06 1991-08-06 Prince Manufacturing, Inc. Tennis racquet with tapered profile frame
US5037097A (en) * 1988-08-18 1991-08-06 Athletic Alternatives, Inc. Sports racket
US4903967A (en) * 1989-01-27 1990-02-27 Ferrari Importing Company, Inc. Racket frame having holes for tailoring frame stiffness
US5029859A (en) * 1989-04-10 1991-07-09 Prince Manufacturing, Inc. Protective bumper strip, especially for wide body tennis racquets
FR2649899B1 (en) * 1989-07-19 1992-05-22 Rossignol Sa TENNIS RACKET
AT393967B (en) * 1989-09-11 1992-01-10 Head Sportgeraete Gmbh BALL RACKETS, IN PARTICULAR TENNIS RACKETS
US4997186A (en) * 1989-12-08 1991-03-05 Ferrari Importing Company, Inc. Racket frame having multi-dimensional cross-sectional construction
US5211396A (en) * 1990-03-16 1993-05-18 Ferrari Importing Company Multi-frame racket
US5005834A (en) * 1990-03-16 1991-04-09 Ferrari Importing Company Multi-frame racket
US5071124A (en) * 1990-05-03 1991-12-10 Prince Manufacturing, Inc Badminton racquet
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
DE4116901A1 (en) * 1991-05-23 1992-11-26 Donnay Int Sa Tennis racket with stiff head on flexible connecting arm
DE4037568A1 (en) * 1990-11-26 1992-05-27 Donnay Int Sa TENNIS RACKET
US5299801A (en) * 1991-05-23 1994-04-05 Donnay International S.A. Tennis racket
JP2601955B2 (en) * 1991-07-09 1997-04-23 住友ゴム工業株式会社 Tennis racket frame
GB9120585D0 (en) * 1991-09-27 1991-11-06 Dunlop Ltd Games racket frame
US5417418A (en) * 1992-12-10 1995-05-23 Prince Manufacturing, Inc. Monoshaft composite tennis racquet
US5257781A (en) * 1993-01-19 1993-11-02 Mitt Usa Corporation Retained rocker string sports racket
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
US5762571A (en) * 1993-08-05 1998-06-09 Degaris; Kenneth Godfrey Ultra thin racquet frame
US6383099B1 (en) * 1995-05-22 2002-05-07 Wilson Sporting Goods Co. Tennis racquet
US5810683A (en) * 1996-12-23 1998-09-22 Prince Sports Group, Inc. Morph frame for sports racquet
US5913740A (en) * 1997-07-25 1999-06-22 Miklos; Edward J. Flat beam aerodynamic tennis racquet
US6062994A (en) * 1998-04-10 2000-05-16 Ef Composite Technologies, L.P. Reinforced racquet with flat string bed
DE19825075A1 (en) * 1998-06-04 2000-02-10 Peter Weidenschlager Tennis racket has articulated area between shaft and handle to allow deflection of racket head with softer bending strength within certain angular area
DE19953626B4 (en) * 1999-11-08 2004-02-05 Head Sport Ag Rackets for ball games
US6447412B1 (en) 2000-04-18 2002-09-10 Ef Composite Technologies, L.P. Sports racket with undulations in frame interior surface
US20080026658A1 (en) * 2002-03-07 2008-01-31 Matthew Kriesel Multi-axially stretchable polymer shock absorbing pad
DE20305073U1 (en) 2003-03-24 2004-09-16 Turzer, Harald racket
GB0319259D0 (en) * 2003-08-15 2003-09-17 Imp College Innovations Ltd Tennis racket
US8302213B2 (en) * 2004-10-08 2012-11-06 Ig Holdings Llc Helmets and vests
US10653924B2 (en) * 2018-03-12 2020-05-19 Wilson Sporting Goods Co. Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1539019A (en) * 1924-02-07 1925-05-26 John P Nikonow Tennis racket
FR2195163A5 (en) * 1972-08-02 1974-03-01 Martel Rene
US4165071A (en) * 1976-01-05 1979-08-21 Frolow Jack L Tennis racket
EP0013595A1 (en) * 1979-01-04 1980-07-23 Starwin Industries Inc. Improvements in tennis racquets
DE2932996A1 (en) * 1977-03-07 1981-02-26 Enoch Job Prof Durbin TENNIS RACKET
US4291574A (en) * 1976-01-05 1981-09-29 Frolow Jack L Tennis racket

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB327796A (en) * 1929-02-04 1930-04-17 Robert John Nash Improvements in racquets for games and in the manufacture thereof
GB415707A (en) * 1933-02-28 1934-08-28 George Stanley Milne Improvements in badminton rackets
FR827983A (en) * 1937-10-15 1938-05-06 Racket perfected for tennis and similar games
US2171223A (en) * 1937-12-02 1939-08-29 Roy H Robinson Racket for tennis and batting games and method of manufacturing same
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
US3640533A (en) * 1970-07-08 1972-02-08 Tyler B Davis Reinforcing facing for a strung racket
US4297308A (en) * 1978-03-07 1981-10-27 Dunlop Limited Method of manufacturing games rackets
US4293129A (en) * 1979-05-21 1981-10-06 Planakis Leo N Game rackets and paddles with nonparallel playing surfaces
DE2920680A1 (en) * 1979-05-22 1980-12-04 Marsteller & Killmann Kg BALL RACKETS, IN PARTICULAR TENNIS RACKETS
US4280699A (en) * 1980-01-25 1981-07-28 Leach Industries Game racquet
DE3018354A1 (en) 1980-05-14 1981-11-19 Kuebler & Co, 7700 Singen Tennis racquet with strung head - which is fitted with guide grooves or recesses on outer and side surfaces of head frame, forming ring groove open inwards
US4438925A (en) * 1982-02-09 1984-03-27 Lindstrom James A Handle for racquetball racquet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1539019A (en) * 1924-02-07 1925-05-26 John P Nikonow Tennis racket
FR2195163A5 (en) * 1972-08-02 1974-03-01 Martel Rene
US4165071A (en) * 1976-01-05 1979-08-21 Frolow Jack L Tennis racket
US4291574A (en) * 1976-01-05 1981-09-29 Frolow Jack L Tennis racket
DE2932996A1 (en) * 1977-03-07 1981-02-26 Enoch Job Prof Durbin TENNIS RACKET
EP0013595A1 (en) * 1979-01-04 1980-07-23 Starwin Industries Inc. Improvements in tennis racquets

Also Published As

Publication number Publication date
ATE63226T1 (en) 1991-05-15
EP0176021B1 (en) 1991-05-29
DE3434898A1 (en) 1986-04-17
DE3582805D1 (en) 1991-06-13
DE3434898C2 (en) 1993-06-24
DE3582987D1 (en) 1991-07-04
DE3434956A1 (en) 1986-04-03
EP0176021A2 (en) 1986-04-02
DE8427999U1 (en) 1987-03-26
US4664380A (en) 1987-05-12

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