| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of preventing frauds such as opening a board storage box and fraudulently substituting the board storage box for a duplicate board storage box. SOLUTION: A mount 150 and a circuit board box 62 are attached together with mount fixing means (one-way screws 160, mounting projections 148a-148c, and mounting piece parts 156a-156c) into an irreversible fixation state, and a box body 110 and a lid body 80 are assembled together with assembling fixing means (one-way screws, mounting piece parts 83a-83c, and mounting pieces) into irreversible fixation state. This constitution can constitute the closure of a circuit board box 62 into the irreversible fixation state and mount the circuit board box 62 on a pinball game machine (the mount 150) into the irreversible fixation state so as to prevent the frauds such as opening the circuit board box 62 and fraudulently substituting it for a duplicate circuit board box. COPYRIGHT: (C)2008,JPO&INPIT
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