| 摘要 |
PROBLEM TO BE SOLVED: To prevent the invasion of foreign matters into the rear of a game machine from contact surface parts by connecting a mechanism board with ball outflow ports provided in a mounting frame without clearances possible at the contact surface parts. SOLUTION: When connecting the first ball outflow port 60 provided in the mechanism board 35 with the second ball outflow port 72 provided in the mounting frame 70, the second ball outflow port 72 is inserted into the first ball outflow port 60 to be connected. At this point, a plurality of stopper members 60b are installed inside the first outflow port 60 and the second ball outflow port is inserted to a position where the stopper member 60b contacts the surface of the partition wall 72a.
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