Apparatus for reducing torque and vibration in racquets

Details Apparatus for reducing torque and vibration in racquets Apparatus for reducing torque and vibration in racquets

1980-08-22

1982-05-18

Apley, Richard J.

Amusement devices: games

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

Target

A63B 4904

Patent

active

043301258

ABSTRACT:
A device for reducing torque and vibration caused by an off-center impact between a ball and the face of a racquet. The device includes tubular guide means located about the periphery of the racquet head. Mounted within the tubular guide means are a system of self-adjusting counterbalancing weights. Movement of the racquet by an off-center impact causes the counterbalancing weights to be displaced. The displacement of the weights offsets and balances the torque and vibration of the impact.

REFERENCES:
patent: 1558507 (1925-10-01), Ryder
patent: 2738616 (1956-03-01), Windle
patent: 3109651 (1963-11-01), O'Donnell
patent: 3907292 (1975-09-01), Moreland
patent: 4057250 (1977-11-01), Kuban
patent: 4177990 (1979-12-01), Kajiwara

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