| 摘要 |
PROBLEM TO BE SOLVED: To prevent game balls from jumping out or falling out from a ball tray. SOLUTION: An upper tray 35 is provided with a reservoir 36 and a flow-out path 38 and a discharge port 39 for discharging the game balls is opened on a back wall 37. An upper surface 41 is arranged between the peripheral edge part 40 of the upper tray 35 and the reservoir 36 and the flow-out path 38 and a ridge line 40a is formed at the boundary of the peripheral edge part 40 and the upper surface 41. The upper surface 41 is in a gentle funnel shape as the whole, a part to be the outer periphery 41a of the reservoir 36 and the flow-out path 38 is the lowest and the ridge line 40a is the highest. That is, since an inclination from the ridge line 40a to the reservoir 36 and the flow-out path 38 is formed as the whole, when the game ball is present in an area from the outer periphery 41a of the reservoir 36 and the flow-out path 38 to the ridge line 40a, the game ball surely moves to the reservoir 36 or the flow-out path 38 and falls down to one of them.
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