| 摘要 |
<P>PROBLEM TO BE SOLVED: To keep on cleaning a game ball circulating in a ball circulation passage in actual operation of a Pachinko game machine for cleaning the same by utilizing position energy of the game ball without requiring any drive means separately, and by making the structure simple and compact. <P>SOLUTION: In a Pachinko game unit PU, a rolling passage formation member 40 is attached to a unit frame UF. The rolling passage formation member forms a rolling passage part 34, where the game ball B rolls and falls while performing rotary movement repeatedly, in a partial ball circulation passage (ball discharge passage 32) that includes a ball supply passage for supplying the game ball B to a ball shooting part and the ball discharge passage 32 for discharging the game ball B from a game area, and circulates the game ball B via the game area. <P>COPYRIGHT: (C)2012,JPO&INPIT |
