Signalling device to be used with a sport implement for detectin

Details Signalling device to be used with a sport implement for detectin Signalling device to be used with a sport implement for detectin

1976-03-03

1978-06-13

Pinkham, Richard C.

Amusement devices: games

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

Target

46 52, 273183D, 273162R, 273186A, A63B 6938

Patent

active

040945049

ABSTRACT:
A signalling device to be used with a sport implement, such as, for example, a tennis racquet or golf club, for detecting and indicating the proper use thereof, includes a plurality of mechanical reed members, the longitudinal axes of which are disposed with respect to the tennis racquet or golf club structure as to be aligned with the stroke direction when a proper stroke is performed whereby the signalling device will emit a well-defined audible signal indicating the performance of a proper stroke. The reed members may be disposed within a housing which may, in turn, be mounted upon the racquet frame or club shaft, or alternatively, may be integrally disposed within the frame or shaft, the latter structures serving as the housings thereof. Still further, and alternatively, in lieu of the reed members being aligned with the stroke direction, that is, the same are, within such embodiment, disposed perpendicular to the plane of the tennis racquet or golf club face, the reed members may likewise be disposed parallel to the plane of the racquet or club face and perpendicular to the longitudinal axis of the implement whereupon, instead of such members emitting a signal when a proper stroke is performed, such members emit an audible signal when an improper stroke is performed.

REFERENCES:
patent: 1417019 (1922-05-01), Bartolowsky
patent: 1519052 (1924-12-01), Reach
patent: 1549350 (1925-08-01), Deik
patent: 2780098 (1957-02-01), Maroth
patent: 3730530 (1973-05-01), Oka

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