JPS52147127A - Racket frame - Google Patents

Racket frame

Info

Publication number
JPS52147127A
JPS52147127A JP6309176A JP6309176A JPS52147127A JP S52147127 A JPS52147127 A JP S52147127A JP 6309176 A JP6309176 A JP 6309176A JP 6309176 A JP6309176 A JP 6309176A JP S52147127 A JPS52147127 A JP S52147127A
Authority
JP
Japan
Prior art keywords
racket frame
impact
shaft
frame
hitting
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
JP6309176A
Other languages
Japanese (ja)
Other versions
JPS5340377B2 (en
Inventor
Itsushi Nagamoto
Masaharu Kuwabara
Kunimasa Muroi
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP6309176A priority Critical patent/JPS52147127A/en
Priority to DE19772723627 priority patent/DE2723627A1/en
Priority to FR7716282A priority patent/FR2353315A1/en
Publication of JPS52147127A publication Critical patent/JPS52147127A/en
Publication of JPS5340377B2 publication Critical patent/JPS5340377B2/ja
Granted 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
    • 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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/08—Handles characterised by the material
    • 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
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/023—Long, oriented fibres, e.g. wound filaments, woven fabrics, mats

Abstract

PURPOSE: To change a propagation speed of an elastic wave occurring at the frame of a racket due to the impact at the time of hitting a ball and to mitigate the impact to the shaft and the grip, by changing the construction of a laminate layer of reinforcing fibers forming a part of the shaft.
COPYRIGHT: (C)1977,JPO&Japio
JP6309176A 1976-05-31 1976-05-31 Racket frame Granted JPS52147127A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6309176A JPS52147127A (en) 1976-05-31 1976-05-31 Racket frame
DE19772723627 DE2723627A1 (en) 1976-05-31 1977-05-25 BAT
FR7716282A FR2353315A1 (en) 1976-05-31 1977-05-27 Tennis racquet with glass fibre frame - uses additional fibre material with different characteristics to dampen ball impact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6309176A JPS52147127A (en) 1976-05-31 1976-05-31 Racket frame

Publications (2)

Publication Number Publication Date
JPS52147127A true JPS52147127A (en) 1977-12-07
JPS5340377B2 JPS5340377B2 (en) 1978-10-26

Family

ID=13219288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6309176A Granted JPS52147127A (en) 1976-05-31 1976-05-31 Racket frame

Country Status (3)

Country Link
JP (1) JPS52147127A (en)
DE (1) DE2723627A1 (en)
FR (1) FR2353315A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337851A1 (en) * 1973-07-25 1975-02-06 Rutz Wolfgang Tennis racquet with inserted carbon fibres - in frame and handle side-elements, in polyester mixt. with glass fibre reinforcement
DE2356048A1 (en) * 1973-11-29 1975-05-15 Johns Henry Van Dyke TENNIS RACKET
US4023799A (en) * 1974-01-24 1977-05-17 Exxon Research And Engineering Company Game racket
GB1469039A (en) * 1974-02-13 1977-03-30 Fansteel Inc Elongate composite aritcles

Also Published As

Publication number Publication date
FR2353315A1 (en) 1977-12-30
JPS5340377B2 (en) 1978-10-26
DE2723627A1 (en) 1977-12-15
FR2353315B1 (en) 1984-06-01

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