Tennis racket

Details Tennis racket Tennis racket

1990-07-12

1992-09-01

Grieb, William H.

Amusement devices: games

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

Target

273 73J, 273 73G, 273 75, 273193B, 273 813, A63B 6938

Patent

active

051433737

ABSTRACT:
Tennis racket has a head with a face lying in a facial plane. The racket has a shaft fixed to and coplanar with the head. The racket also has a handle sized for grasping the racket during play. Also included is a flexible device located at least partly within the handle and flexibly coupling the handle with the shaft. The head is relatively displaceable along a direction remaining perpendicular to the facial plane and coplanar with the handle. Thus an incorrect swing of the racket causes flexing at the handle and a manual sensation.

REFERENCES:
patent: 881266 (1908-03-01), Thompson
patent: 2159579 (1939-05-01), Whitney
patent: 2183925 (1939-12-01), Simpson
patent: 3679205 (1972-07-01), Finkle et al.
patent: 4101132 (1978-07-01), Conrey et al.
patent: 4221383 (1980-09-01), Cappelli
patent: 4367871 (1983-01-01), Schiefer
patent: 4655449 (1987-04-01), Chamness
patent: 4736949 (1988-04-01), Muroi
patent: 4852875 (1989-08-01), McLennan et al.
patent: 4870868 (1989-10-01), Gastgeb et al.
patent: 4907810 (1990-03-01), Whiteford
patent: 4911441 (1990-03-01), Brunner
Stites, Pamela, "Health Line-Bone of Contention", World Tennis, Feb. 1988.

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