| 摘要 |
PROBLEM TO BE SOLVED: To prevent troubles due to the shortage of balls which occurs when the amount and the speed for returning balls to an upper ball tank by a ball returning machine are not enough for continuously putting out balls accumulated in the upper ball tank. SOLUTION: When a big win state or a continuous winning state is generated, balls are put out from the upper ball tank 64 for the ball-putting out mechanism 66. In such a ball-putting out mechanism 66, the quantity for the ball-putting out is limited to one half or the like, and the speed for the return-feeding of balls to the upper ball tank 64 by a ball-returning mechanism 63 is made one half of the originally required speed. Also, a numeral value which is the same as the number of balls for the shortage in the putting out is add-displayed on a holding ball number- displaying section 25 which is separately provided. Alternatively, every time when the quantity of balls for the shortage in the putting out has reached a specified number, a specified numeral value is add-displayed on a holding coin number-displaying section 27 which is separately provided. Alternatively, every time when the quantity of balls for the shortage in the putting out has reached a specified number, a specified number of game coins are put out by a coin-putting out mechanism 48 which is separately provided.
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