| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform cleaning treatment of a game ball without negatively effecting a game. <P>SOLUTION: In a Pachinko game machine unit PU, a plurality of game balls are sealed into an internal space to prevent contact from the outside. Then, the Pachinko game machine unit PU includes: a Pachinko game machine 100 where a game is performed by circulating the plurality of sealed game balls in a game area 111 formed in a game board 110; a cleaning portion 31 for cleaning the game ball by liquid; a ball collection part 32 for collecting ball games within the unit to be cleaned by the cleaning portion 31; and a unit control section for instructing the ball collection part 32 to start collecting game balls during a period when no games are scheduled in the game machine 100 after completion of a game in the Pachinko game machine 100. <P>COPYRIGHT: (C)2012,JPO&INPIT |
