Bowling pin sweeper apparatus for automatic bowling alleys

Details Bowling pin sweeper apparatus for automatic bowling alleys Bowling pin sweeper apparatus for automatic bowling alleys

1974-12-23

1976-05-04

Pinkham, Richard C.

Amusement devices: games

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

Target

A63D 500

Patent

active

039542645

ABSTRACT:
To provide for rapid drop of the bowling pin sweeper for removal of fallen owling pins, without jamming of pins between the sweeper arm, an electromagnetic release such as a magnet operating a sear, triggered, for example, by movement of a bowling ball towards the pins releases the sweeper arm to drop, by its own weight (braked at the end of the fall by a dash pot) prior to initiation of sweeping operation, the remainder of the sweeping cycle being permitted to continue at normal, sweeping speed.

REFERENCES:
patent: 2580853 (1952-01-01), Sherman
patent: 2657929 (1953-11-01), Auchincloss et al.
patent: 2980424 (1961-04-01), Sanders et al.
patent: 3233901 (1966-02-01), Sandahl
patent: 3790167 (1974-02-01), Lenhart

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