| 摘要 |
PROBLEM TO BE SOLVED: To provide a stage structure for a game machine which is stored in a small space and raises the effect of a performance to a player. SOLUTION: The stage structure includes an assignment stage which is arranged on the game board of the game machine, so as to change the winning probability of the game ball, while tentatively allowing a falling game ball to perform a slow movement. The structure comprises: a substantially flat lower stage board having at least one side wall part to be extended in a horizontal direction; and a gutter shape upper stage board which is juxtaposed above the lower stage board, having a pair of side wall parts to be extended in the horizontal direction. The stage structure includes: a guide board in the rear part of the upper stage board; and a gap between the upper stage board and the guide board. COPYRIGHT: (C)2006,JPO&NCIPI
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