Title:
BOWLING BALL ACCELERATOR MECHANISM
United States Patent 3425691
Inventors:
Lenhart, Ronald A.
Publication Date:
02/04/1969
Export Citation:
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Assignee:
Ronald, Lenhart A.
Primary Class:
473/110
International Classes:
A63D5/02; A63D5/00; (IPC1-7): A63D5/02
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US Patent References:
3313540Variable speed ball lift
3206199Bowling ball accelerating return system
3101195Bowling ball impeller
3015489Bowling ball stop mechanism
2969982Ball delivery mechanism for bowling pin spotting machines
2967708Pin handling mechanism
2964318Bowling ball handling and return mechanism
2699944Ball return mechanism for bowling alleys
2566379Ball return means for bowling alleys
2470052Ball return mechanism for bowling pin setting machines




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