| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine sufficiently preventing a fraud related to a change in the setting of a profit granting rate and improving convenience of proper setting change work. SOLUTION: This game machine changeable the setting of the profit granting rate for a player is provided with a setting change part 54 stored in a storage part 55 provided in a game machine casing and changing the setting of the profit granting rate using a setting change key, a key insertion part 58 provided in the storage part 55 for inserting the setting change key, a shielding cover 63 for shielding the key insertion part 58, a support means 68 supporting the shielding cover 63 swingably to the storage part 55, and engagement/regulating means 72 and 76 regulating the swinging of the shielding cover 63 by disengageably engaging the shielding cover 63 to the storage part 55. COPYRIGHT: (C)2005,JPO&NCIPI
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