| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine capable of enhancing the amusement of a game by modifying the stage structure to change the surface of a stage on which game balls roll and diversifying the movement of the game balls on the stage. SOLUTION: The pinball game machine has a game area A, on which game balls roll and flow down, disposed on a game board base 14, and the game area at least has the stage 19 on which game balls can roll to constitute a game board 18. The stage is rotatable around the rotation axis extending from a driving part 44 in the front/rear direction of the game board base. The stage comprises first and second stage faces 28 and 29 from which game balls can easily enter the inner surface and third and fourth stage faces 30 and 31 from which game balls can not easily enter the inner surface. COPYRIGHT: (C)2006,JPO&NCIPI
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