Game racket having removable stringed insert

Details Game racket having removable stringed insert Game racket having removable stringed insert

1981-04-30

1982-11-02

Oechsle, Anton O.

Amusement devices: games

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

Target

A63B 5100

Patent

active

043570127

ABSTRACT:
A sports racket such as a tennis racket has a head comprising a pair of concentric frames wherein an inner frame equipped with tensioned strings is supported resiliently within an outer frame by an inflated tube lying within opposing parallel channels extending respectively about the periphery of the inner frame and along the interior of the outer frame. Variation of the pressure of inflation of the tube controls the elasticity of the support of the inner frame, and deflation of the tube permits rapid removal and replacement of the inner frame.

REFERENCES:
patent: 1558507 (1925-10-01), Ryder
patent: 2034444 (1936-03-01), Rauch et al.
patent: 3814423 (1974-06-01), Shockley et al.
patent: 3891211 (1975-06-01), Diefenbach
patent: 4185822 (1980-01-01), Li
patent: 4206917 (1980-06-01), Guillem et al.

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