Title: Indexing means for rotating drums of amusement apparatus

Abstract: An amusement apparatus has a plurality of rotary drums, each bearing a plurality of symbols with each symbol being related to an index position. The drums are caused to be rotated then arrested so as to display a combination of symbols having a certain play value. Two solenoid operated pawls are provided whereby an operator may selectively advance the rotation of one of the drums to a fractional rotation equal to one index position.

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Inventors: Burnside, Walter M. (Waukegan, IL, US)

Application Number: 892671
Filing Date: 1978-04-03
Publication_date: 1980-03-04
Assignee: Bally Manufacturing Corporation (Chicago, IL)
Primary Class(es): 273/143R 74/577S
Other Classes:
US Patent Ref:

2477137	Jul, 1949	Mihalek	74/577.
2968186	Jan, 1961	Jeanneret	58/116.
3733075	May, 1973	Hooker et al.	273/141.
3956941	May, 1976	Faivre	58/116.
4037845	Jul, 1977	Hooker	273/138.

Other Refs: 9692031292712

May, 1950	FR
Oct, 1972	GB

Primary Examiner: Hum, Vance Y.
Assistant Examiner: Kramer, Arnold W.
Attorney: Fitch, Even & Tabin