Weighted tennis/racquetball racket

Details Weighted tennis/racquetball racket Weighted tennis/racquetball racket

1987-06-11

1991-01-15

Coven, Edward M.

Amusement devices: games

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

Target

A63B 4902

Patent

active

049847929

ABSTRACT:
An improvement in the rackets used in tennis and racquetball a round conduit in the frame or head of the racket, which is divided into two chambers by valve elements. A lower chamber containing mercury or other liquid communicates, through the valve elements, to an upper chamber. In use, the liquid is directed, by gravity and centrifugal force, between the two chambers to increase the amount of kinetic energy exerted against a ball, providing for a more powerful swing and improved tennis or racquetball game.

REFERENCES:
patent: 2274788 (1942-03-01), Hatton
patent: 4182512 (1980-01-01), Kuebler
patent: 4330125 (1982-05-01), Sassler

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