Drive and indexing mechanism for a rotatable drum chance device

Details Drive and indexing mechanism for a rotatable drum chance device Drive and indexing mechanism for a rotatable drum chance device

1978-03-23

1980-12-16

Grieb, William H.

Amusement devices: games

Chance devices

Rotating disk

A63F 504

Patent

active

042392241

ABSTRACT:
A slot machine comprising an operator's lever, a drive mechanism and drive shaft, said drive mechanism being adapted to be engaged by said lever so as to be driven thereby to rotate said shaft in a first direction from a predetermined position and further adapted to be disengaged from said shaft and returned rapidly to said first position so that said shaft is rotated rapidly in the opposite direction to said first direction, an indexing mechanism having a pivoted lever, a first pin mounted on one end of a lever pivoted on said pivoted lever to engage and rotate an indexing wheel attached to a display wheel, a second pin on a lever pivotally mounted on the other end of said pivoted lever to engage and locate said indexing wheel in a predetermined position, and another lever fixed to said drive shaft to pivot said pivoted lever between the position of engagement of said second pin and the position of engagement of said first pin and to cause said first pin to rotate said indexing wheel when said shaft is rotated rapidly in said opposite direction and said second pin to index said wheel on the return of said pivoted lever to its home position.

REFERENCES:
patent: 1805837 (1931-05-01), Mills
patent: 2010487 (1935-08-01), Hochreim
patent: 2152599 (1939-03-01), Mills
patent: 2812182 (1957-11-01), Fiorino
patent: 2932976 (1960-04-01), Mihalek et al.
patent: 3642287 (1972-02-01), Lally et al.
patent: 3975963 (1976-08-01), Nicolaus
patent: 4037845 (1977-07-01), Hooker
patent: 4097048 (1978-06-01), Poulsen

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