| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock device of a play machine capable of preventing a dishonest action. SOLUTION: This lock device 16 has an outer shell formed of a support body 17, and fitted to a front frame forming a pinball machine. A first working body 21 formed in a square plate shape is fitted to the inside of the support body 17 movably in vertical direction. The first working body 21 comprises an upper hook part 26 and lower hook part 27 provided at both ends of a transmission plate 25. The hook parts 26 and 27 are engaged with engagement parts provided on an outer frame to lock the front frame to the outer frame. A lock body 23 is swingably fitted to the lower end of the first working body 21. A release plate 24 is swingably fitted to the lower end of a second working body 22. In locked state, the lock body 23 is engaged with the support body 17 to restrict the movement of the upper hook part 26 and the lower hook part 27. By unlocking operation, the release plate 24 rotates the lock body 23 to release the engagement of the lock body 23 with the support body 17. COPYRIGHT: (C)2003,JPO
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