| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of smoothly outputting game balls. SOLUTION: A use-of-ball-type rotary-drum game machine 1 completes a game start condition by a predetermined number of the game balls being introduced in an introduction device. A put-out device is provided on the back of the game machine 1 for outputting the game balls onto an upper tray 71 or a lower tray 253. A fullness sensing mechanism for sensing a fullness of the lower tray 253 is provided on a ball passage for guiding the game balls to the lower tray 253 upon a fullness of the upper tray 71. The sensing mechanism includes a movable piece turned by the passage and a sensor switch for sensing a displacement of the piece. The piece is provided with a projection with a protrusive length longer downward and a slant face of which the side facing the passage slants down to the inside from outside of the passage. COPYRIGHT: (C)2007,JPO&INPIT
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