Document Type and Number:
Japanese Patent JPS50117537
Kind Code:
A
Abstract:
To provide for rapid drop of the bowling pin sweeper for removal of fallen bowling 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.
Application Number:
JP198875A
Publication Date:
September 13, 1975
Filing Date:
December 27, 1974
Export Citation:
International Classes:
A63D5/08; (IPC1-7): A63D5/08