| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine capable of forcibly moving a game ball moving through a sorting part toward a losing region only by a mechanical structure when so-called Dotsuki or knocking is performed by a person intending an illegal conduct. SOLUTION: In a ball input accessory 21, the sorting part 27 of a mechanical lottery part 62 includes a winning route 27a and a losing route 27b. The winning route 27a guides the game ball introduced from a second big winning port 14 into a winning region 20a. The losing route 27b is formed adjacent in an acting direction of impact acting appropriately perpendicular to a game board and guides the game ball Ba into the losing region 20b. Thereby, the game ball is shifted toward the losing region 20b when vibration acts in the direction appropriately perpendicular to the game board while the game ball is rolling through the winning route 27a. Thereby, the so-called Dotsuki or knocking is made meaningless by the mechanism so that the person intending the illegal conduct recognizes it to be ineffective, and the illegal conduct is prevented effectively. COPYRIGHT: (C)2010,JPO&INPIT
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