| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the erroneous operation or fraudulent operation of a setting button. Ž<P>SOLUTION: A slot game device is disposed inside a body casing 11 roughly in a rectangular parallelepiped box shape and front door 2 is connected with hinges freely to openably and closably cover the front surface side opening of the body casing to configure the slot machine, and a control board 46 attached in the rear direction on the rear surface side of the front door includes a setting button 46a for changing a winning generation probability and a transparent center control board cover 47 covering the control board from the rear surface side. A setting button opening 47a is formed on the board cover facing the setting button, an opening/closing lid 471 for freely openably and closably covering the setting button opening is provided, the setting button can be pressurized when the opening/closing lid is opened and the setting button cannot be pressurized when the opening/closing lid is closed. Further, at least a peripheral part of the part forming the setting button opening in the control board cover projects to the rear, and the opening/closing lid is positioned more at the front than the rear end face of the control board cover so as to be at a close distance to the control board in the state of being closed covering the setting button opening. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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