| 摘要 |
PROBLEM TO BE SOLVED: To provide a game board of a pinball machine with improved game properties. SOLUTION: The game board is structured so that a game ball having reached ball passages 141 and 142 in a center stage part 140 falls down from a pit 144 while rotating after rolling/moving along a tapered part. A groove part 122 for receiving and supporting the game ball having fallen from the pit 144 is formed to extend forward/backward under the pit 144 in a first front stage part 120, and the game ball supported by the groove part 122 is made to roll/move forward in the groove part 122 and fall down toward a winning device disposed under a center ornament 100. COPYRIGHT: (C)2006,JPO&NCIPI
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