| 摘要 |
PROBLEM TO BE SOLVED: To prevent a malfunction and failure of a game machine by effectively removing static electricity carried by game balls. SOLUTION: The game machine discharges static electricity carried by game balls flowing down on a playfield by making the static electricity carried by the game balls flow to the ground line 161g and the power line 161h of a control board 161 through the sidewall 14b, the base 14a, and the screw 163a of a decorative member 14. COPYRIGHT: (C)2011,JPO&INPIT
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