| 摘要 |
PROBLEM TO BE SOLVED: To prevent troubles in the premium ball supplying system for a pachinko machine by having premium balls supplied as soon as a hit ball enters a winning hole, and keeping the winning ball in a ball reserving device as a proof ball until the premium balls are supplied. SOLUTION: In this system, winning ball sensors S1 and S2 are installed in each of plural winning holes 2, 3, 4 and 8, and a ball reserving device 11 consisting of a reserved ball sensor 13 and a discharge valve 15 is installed in the lower end of a winning ball collecting case 10. The reserved ball sensor 13 detects the existence of reserved balls 12, and the discharge valve 15 discharges reserved balls one by one. The control board 20 has winning ball counters C1 and C2 which memorize winning balls detected by the winning ball sensors. When a winning ball is detected by the winning ball sensors, the winning ball is memorized in the winning ball counters, and the premium ball supplying device is operated based on the memory of the winning counters. After a prescribed number of premium balls are, the reserved balls are detected by the reserved ball sensor, the discharge valve is operated, and the reserved balls are discharged.
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