| 摘要 |
PROBLEM TO BE SOLVED: To prevent the dropping locus of a game ball from being limited by widely ensuring a region in which the game ball drops. SOLUTION: An opening 41 is provided on the side wall 40 of a rail decorating frame 23. A shutter 60 which moves on the internal side of the rail decorating frame 23 and along the side wall 40 is provided. The shutter 60 is held at a closing position for covering the opening 41, and is moved to an opening position by a driving device 69, e.g., when an intermediate winning is won by a shifting lottery for winning or not. When the shutter 60 moves to the opening position, the opening 41 is opened to guide game balls 80 which stream down on a game region into a retrieving gutter 50 which is provided in the rail decorating frame 23 through the opening 41. In this case, the game ball 80 is sensed by a game ball sensing sensor 74, so that the putting out of prize balls by a putting-out device 16 is performed. COPYRIGHT: (C)2007,JPO&INPIT
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