| 摘要 |
PROBLEM TO BE SOLVED: To prevent a passage for discharging game balls from an upper tray 24 to a lower tray 22 from being blocked with the balls. SOLUTION: The dimension across a receiving port 54 of a receiving passage 56 of a lower tray 22 is made larger than that of a discharge port 52 of a ball passage 50 of an upper tray 24, and hence blocking of ball can be prevented in a zone through which balls move from the discharge port 52 to the receiving port 54.
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