| 摘要 |
PROBLEM TO BE SOLVED: To provide an enclosed ball circulation type game machine that evades a hitting ball insufficient game state, eliminates fraudulent balls which are mixed in, and that is easily assembled and maintained. SOLUTION: A ball circulation device includes a fraudulent ball detecting device 33, a game ball storage device 32, and a game ball polishing device 31. Whether or not the fraudulent ball is mixed in recovered game balls is detected by the fraudulent ball detecting device 33. By the game ball polishing device 31, the game balls which flow in from below are lifted and simultaneously polished. The devices 31, 32 and 33 constituting the ball circulation device are each attached onto an attaching base member 12 composed of one plate and are disposed at a place which is the front surface side of the game machine and at the lower part of a game board. COPYRIGHT: (C)2010,JPO&INPIT
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