| 摘要 |
PROBLEM TO BE SOLVED: To provide a game player with interesting and not weary performance in a process until a bonus generating state such as a ball movement inside a bonus generating device. SOLUTION: Rounds of a ball introducing wall 16 range from 1 to 2 and is about 1.5 in this case. An inside end 14 consists of a fixed end and is disposed apart from the center part of a rotor 13. A game ball whirls outward along a winning part 19. The ball drops out of the outer periphery of the winning part 19 and whirls along the outer periphery of the rotor 13, and reaches the fixed end by travelling around about a half round. The ball introducing wall 16 facing an outside end 15 and the surface of the rotor 13 form a ball entrance 16a. COPYRIGHT: (C)2004,JPO
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