| 摘要 |
PROBLEM TO BE SOLVED: To provide illegal prevention covers and a slot machine having them which make it possible to securely cover operating parts after setting change without forgetting, and to prevent illegal operations by covering each operating part separately, and which make it impossible to release covering with a slight opening of a front door. SOLUTION: The slot machine 1 keeps the housing 1b open forward, the front door 1a for openably covering the forward opening of the housing 1b, and a power supply device 8 provided inside the housing 1b and having operating parts 8a and 8b which are operated when changing setting of lottery probabilities. Individual cover parts 110 are provided for the operating parts 8a and 8b. The cover parts are doors turning independently and vertically, and falling by their own weight for covering each of the operating parts 8a and 8b so as not to be operated. A restraint means 1c is provided for restraining turning of each cover part 110 while the front door 1a is tightly closed. COPYRIGHT: (C)2009,JPO&INPIT
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