| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for removing stain on the surfaces of game balls. <P>SOLUTION: A game machine unit 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 including an outer case for storing a liquid, and an inner case for holding the game balls circulating in the game machine and soaking the game balls in the liquid stored by the outer case, and cleaning the game balls. The inner case of the cleaning device includes: a placing member 395 for placing the game balls; and an inner case body and opening/closing member for surrounding the outer periphery of the placing member 395 and restricting horizontal movement of the game balls placed on the placing member 395. Any one of the placing member 395 and the inner case body is moved with respect to the other. Projections and recesses are formed on the portion of the placing member 395 for placing the game balls. <P>COPYRIGHT: (C)2012,JPO&INPIT |
