| 摘要 |
PROBLEM TO BE SOLVED: To stably adjust the probability of entering to a specific prize-winning port by simple constitution by supporting a guiding piece and a regulating piece in a freely rocking manner at different inclinations in the state of a seesaw so as to switch the inclination of the guiding piece and the regulating piece so as to correspond to the side of a specific prize-winning port or a normal prize-winning port. SOLUTION: Before opening a big prize-winning port by opening an opening/ closing plate 3, a solenoid 40 is driven to switch the inclination of a guiding piece 30 and a U-shaped regulating piece 35 surrounding the guiding piece so as to correspond to the side of a specific prize-winning port 23. When a shot ball enters a big prize-winning port, the prize-winning ball X enters inside of a processing case 20 through a guiding room 11, collides with the inner surface of the piece 35 and rolls on the piece 30 to enter the port 23. When the first prize-winning ball is detected by the first detecting switch 45, the solenoid 40 is nondriven to switch the inclination of the piece 30 and the piece 35 so as to correspond to the side of a normal prize-winning port 24.
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