| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine having a function of direct illumination without increasing the cost by effectively illuminating a ball rolling surface of a ball rolling part even if the number of light emitters is small, a function of indirect illumination via the ball rolling part, and a structure to guide game balls to a start winning hole. SOLUTION: The ball rolling surface is disposed on the inner bottom of a center case with a window part, which is disposed to face the display screen of an image display device for displaying a prescribed image at the back of a recessed chamber whose front is open. Game balls can roll on the ball rolling surface, and the light from an illuminating device to emit light is reflected on the ball rolling surface. The hairline working is applied to the ball rolling surface to form a groove in the direction toward a winning area. If the rolling speed of game balls rolling on the ball rolling surface is lowered to a prescribed speed, a special game state advantageous to a player is generated based on the entrance of a game ball along the groove formed by the hairline working, and game balls are guided to the winning area disposed under the center case. COPYRIGHT: (C)2007,JPO&INPIT
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