EP 0241393 B1 19900816 - DEVICE FOR DAMPING THE VIBRATIONS OF RACKET STRINGS
Title (en)
DEVICE FOR DAMPING THE VIBRATIONS OF RACKET STRINGS
Publication
Application
Priority
FR 8605479 A 19860408
Abstract (en)
1. Racket equipped with a device for absorbing the vibrations of its strings, in which each string passes through holes (8) drilled in the structure of the frame, the device consisting of at least one flexible ring-shaped elastomer membrane (10), pierced by an opening (14) and attached in at least one drilled hole of at least the part forming the bridge (4) of the frame, characterized in that each drilled hole is delimited by a surface of revolution created by a straight line, and that the opening of the membrane (10) has a diameter which is less than that of the string which passes through it.
IPC 1-7
IPC 8 full level
A63B 49/00 (2006.01); A63B 59/00 (2006.01)
CPC (source: EP US)
A63B 60/54 (2015.10 - EP US); A63B 49/022 (2015.10 - EP US); A63B 49/028 (2015.10 - EP US)
Designated contracting state (EPC)
BE DE ES GB IT
DOCDB simple family (publication)
EP 0241393 A1 19871014; EP 0241393 B1 19900816; DE 241393 T1 19900613; DE 3764293 D1 19900920; ES 2016645 B3 19901116; FR 2596661 A1 19871009; FR 2596661 B1 19890825; JP S62295675 A 19871223; US 4909511 A 19900320; US 4993711 A 19910219
DOCDB simple family (application)
EP 87420093 A 19870407; DE 3764293 T 19870407; DE 87420093 T 19870407; ES 87420093 T 19870407; FR 8605479 A 19860408; JP 8489987 A 19870408; US 3488687 A 19870406; US 47093690 A 19900126