Sporting equipment

Details Sporting equipment Sporting equipment

1987-08-20

1988-11-08

Picard, Leo P.

Amusement devices: games

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

Target

273 73R, A63B 5112

Patent

active

047830727

ABSTRACT:
A tennis racket has a head having head strings passing through string holes and lieing substantially in a single plane. There is a groove running along a portion of the outside periphery of the head. A flexible member is slidably received in the groove. This member has string apertures therethrough which can register or substantially register with the string holes in the head and the head strings are strung through the said string apertures as well as the string holes. In the throat of the racket there is a tensioning device comprising at least one pinion having a toothed periphery which threadedly engages with teeth on the end portion of the flexible member. By rotating the pinion the flexible member will be moved so as to vary the tension of the strings. A pawl prevents unwanted return movement of the pinion.

REFERENCES:
patent: 2311172 (1943-02-01), Hetzel
patent: 3904202 (1975-09-01), DeLorean

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