| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for cleaning dirty game balls with a liquid with simple constitution. <P>SOLUTION: A game machine has an internal space filled with a plurality of game balls so as not to be touched from the outside. The game machine unit includes: a game machine for performing a game by circulating the game balls; and a cleaning device for cleaning the game balls circulating in the game machine. The cleaning device includes: an outer case for storing the liquid; and an inner case for holding the game balls inside and soaking the game balls in the liquid stored in the outer case. The inner case is rotated while soaking the held game balls in the liquid stored in the outer case, and then, moves up to discharge the game balls from the inside to the outside. <P>COPYRIGHT: (C)2012,JPO&INPIT |
