Tennis racket

Details Tennis racket Tennis racket

1987-12-17

1989-10-24

Coven, Edward M.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 73C, 273 73J, A63B 4902

Patent

active

048756792

ABSTRACT:
A tennis racket provided with a vibration damping device. The racket includes at least one pair of viscoelastic dampers, symmetric relative to a longitudinal axis of the racket and working in opposition. Each damper of the pair consists of a plate of viscoelastic material, whose one face is glued against the racket at a selected spot of the racket, and which includes on its other face a stress plate of rigid material. The selected spot corresponds to the antinode of a specific mode of vibration of the racket.

REFERENCES:
patent: 4044625 (1977-08-01), D'Haem et al.
patent: 4181301 (1980-01-01), Cholat-Serpoud et al.
patent: 4278251 (1981-07-01), Lafourcade
patent: 4627635 (1986-12-01), Koleda
patent: 4660832 (1987-04-01), Shomo
patent: 4736949 (1988-04-01), Muroi
patent: 4811947 (1989-03-01), Takatsuka et al.
Brody, Howard "The Science of Winning Tennis", Aug. 16, 1987, p. D3.

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