| 摘要 |
PROBLEM TO BE SOLVED: To effectively prevent fraudulence to a game machine by easily and securely preventing fraudulent opening of a front door. SOLUTION: The security device includes a door key 45 for locking the front door 12 to a casing 11 from the front side of the front door 12, and a locking mechanism 210 separate from the door key 45 for locking the casing 11 and the front door 12 while the front door 12 is closed. The casing 11 has a through-hole 14 in an upper member 11a, and the front door 12 has a locking hole 17 to be superposed on the through-hole 14 while the front door 12 is closed. The locking mechanism 210 is disposed out of the casing 11, and has a locking pin 211 which can be inserted into/removed from the through-hole 14 and the locking hole 17 from outside the casing 11. COPYRIGHT: (C)2008,JPO&INPIT
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