Machine element or mechanism – Elements – Pawls and ratchets
Patent
1983-08-01
1986-07-01
Dorner, Kenneth J.
Machine element or mechanism
Elements
Pawls and ratchets
74577R, 74528, 273143R, G05G 100
Patent
active
045973091
ABSTRACT:
A device for regulating the direction of rotation of a slot machine handle is disclosed, which ensures reliable forward and return motions of the handle. A rack member is moved through a guide member in an interlocked relation to the handle. A rachet pawl is rotatably mounted in the guide member. The rack member has a series of teeth thereon, with a recess at each end of the series. Only when the pawl is in one of those recesses, can the direction of movement of the rack be reversed. As a result, only when the handle has been fully pulled, or fully returned, can its direction of rotation be reversed.
REFERENCES:
patent: 2041065 (1936-05-01), Hemphill
patent: 2630297 (1953-03-01), Hunz
patent: 4185519 (1980-01-01), Hays et al.
patent: 4249737 (1981-02-01), Hancherick
Dorner Kenneth J.
Kabushiki Kaisha Universal
Lindsey Rodney M.
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