| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can effectively prevent the dishonest act of opening the doors by keeping the doors from being locked without the proper door closing operation with a key though no game is allowed without the locking of the door. SOLUTION: A lock confirmation means (300) for sensing the locking state of the front door is provided and a locking device (60) is provided with a key insertion confirmation means (80) for sensing the insertion of a key body (7). The front door (3) is so formed as to enable the opening and locking of the door when the key insertion confirmation means (80) senses the proper key body (7) while making the game unready when the lock confirmation means (300) confirms the locking of the front door. COPYRIGHT: (C)2006,JPO&NCIPI
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