| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine preventing a malfunction of a control board from occurring caused by static electricity by preventing a returning game ball guided onto a returning ball passage from building up static charges in consideration that a place on which the game ball builds up static charges is the returning ball passage. SOLUTION: A stopper member 35 provided with a returning ball detecting sensor 36 and the returning ball passage 34 are made of an antistatic resin. The antistatic resin is made of a polycarbonate of 70-95 wt.% to which a polyamide hygroscopic resin of 5-30 wt.% is added. COPYRIGHT: (C)2004,JPO
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