| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine which never allows the change of setting without manually rotating a rotary disc of a hopper device in a prescribed direction. SOLUTION: Protrusions (indexes) IND are provided in the circumference of the rotary disc 3 having a plurality of token holes 3a so arranged as to get tokens fitted into them, while a housing support of the hopper device is provided with sensors S1-S6 for detecting the rotational position of the rotary disc 3 by checking the indexes. Set values matched with the sensors detecting the indexes IND are set up. The rotary disc 3 always stops at a position (Fig. 9(a)) where the indexes cannot be detected and so, the change of setting invariably requires the manual rotation of the rotary disc 3. Thus, the fraudulence involved in the change of setting can be blocked by complicating the procedure of its change. COPYRIGHT: (C)2009,JPO&INPIT
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