Racket construction

Details Racket construction Racket construction

1975-08-08

1976-08-17

Apley, Richard J.

Amusement devices: games

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

Target

273186A, A63B 4904

Patent

active

039750183

ABSTRACT:
A racket is disclosed having a linear guideway extending between the throat and handle portions, a movable weight mounted for movement in the guideway is connected to constant-force springs providing a constant force urging the weight toward the handle, one-way roller clutch means permits extension of the springs during swinging movement of the racket while driving a braking shaft of variable braking cpacity which is manually adjustable by an external knob for effecting variation of the angular velocity of the racket necessary to move the weight to the throat portion to increase the striking force of the racket.

REFERENCES:
patent: 2780098 (1957-02-01), Maroth
patent: 3113782 (1963-12-01), Guier
patent: 3136546 (1964-06-01), Connolly
patent: 3172668 (1965-03-01), Blake
patent: 3572706 (1971-03-01), Schroder
patent: 3575419 (1971-04-01), Davis
patent: 3578801 (1971-05-01), Piazza
patent: 3848873 (1974-11-01), Linning
patent: 3907292 (1975-09-01), Moreland

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