Title: Chance amusement device

Abstract: A chance operating amusement device in the form of a mechanical "shell" game, including features to permit use as a game of chance. A selectively actuatable motor driven rotary probability switch is set in motion at the beginning of each operating cycle and when released stops the probability switch in a chance position to set up a search circuit to illuminate one of a plurality of lightbulb signals. The lightbulbs each are covered by a hemispherical shell which is pivotally mounted on the housing of the device. The user then activates one of a plurality of switches which first moves a shell to uncover a respective signal light, computes a score if the signal light is illuminated, and then uncovers all of the shells for the remaining signal lights so that they all may be observed. The shells then are lowered to cover the signal lights for the beginning of the next operating cycle.

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Inventors: Breslow, Jeffrey D. (Highland Park, IL, US)
Jaworski, Eugene (Park Ridge, IL, US)

Application Number: 558064
Filing Date: 1975-03-13
Publication_date: 1976-07-27
Assignee: Marvin Glass & Associates (Chicago, IL)
Primary Class(es): 273/138.2 463/17
Other Classes:
US Patent Ref:

1569752	Jan, 1926	Hirakawa	273/138.
1978395	Oct, 1934	Groetchen	273/143.
2641473	Jun, 1953	Stalter	273/138.
2902283	Sep, 1959	Chalfin	273/139.
3034790	May, 1962	Breitenstein	273/138.
3399896	Sep, 1968	Burnside	273/138.
3735982	May, 1973	Gerfin	273/1.

Other Refs: 829,486352,840941,418

Jun, 1938	FR
May, 1922	DD
Nov, 1963	UK

Primary Examiner: Pinkham, Richard C.
Assistant Examiner: Kramer, Arnold W.
Attorney: Coffee & Sweeney