| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock device of a game machine having an unauthorized unlocking prevention mechanism allowed to be more smoothly shifted from a hook member engagement completion state to an effective state of the unauthorized unlocking prevention mechanism. SOLUTION: The locking device of the game machine comprises a machine frame of the game machine, a front frame, a fixed base frame, a movable lock plate 56, a hook member 76b, and a hook receiving member 18b. A first unauthorized unlocking prevention member 84 and a second unauthorized unlocking prevention member 92 are connected by an elastic member 104, An engaging hole 94 regulating sliding of movable lock plate 56 is formed on the second unauthorized unlocking prevention member 92, and an engaging piece 90 to be engaged with the engaging hole 94 is formed on the first unauthorized unlocking prevention member 84. The hook receiving member 18b has a contact part 19. Upon locking of the front frame with the machine frame, the hook member 76b is engaged with the hook receiving member 18b, and the contact part 19 makes the engaged position of the engaging piece 90 with the engaging hole 94 in the unauthorized unlocking prevention position regulating sliding of movable lock plate 56. COPYRIGHT: (C)2009,JPO&INPIT
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