| 摘要 |
PROBLEM TO BE SOLVED: To prevent fraudulence on a control board by making fraudulent detachment of a circuit board box itself hard without reducing the efficiency in mounting the circuit board box. SOLUTION: A pachinko machine 10 has an outer frame 11 to form the shell of the pachinko machine 10, and an inner frame 12 is supported on one side of the outer frame 11 to be opened/closed. The pachinko machine 10 also has a first control unit with a main control device mounted on a mounting stand on the back side of the pachinko machine. The main control device (the main circuit board) is mounted on the mounting stand as stored in the circuit board box. The main control device is completely mounted by inserting an engagement part of the circuit board box into a lower opening of the mounting part from below. When the circuit board box is detached from the mounting stand, the engaged state is released by inserting and rotating an exclusive key. COPYRIGHT: (C)2005,JPO&NCIPI
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