| 摘要 |
PROBLEM TO BE SOLVED: To prevent bending of a very important nail, destroying a component, e.g. for illegally winning a prize or illegally improving a prize winning ratio by preventing entering of a matter such as a piano wire without being restricted by a game area and without regard to the lower side or a lateral side of a game board. SOLUTION: In this game machine, a front frame set having a window part through which a game area in which game balls roll can be watched is provided on the front face of the game board, and the component is provided in the game area so as to project from the surface of the game board to the side of the window part. The window part is composed of two or more layers of transparent plates, and a recessed part is formed at a transparent plate on the side of the game board to engage the tip of a defence member into this. COPYRIGHT: (C)2007,JPO&INPIT
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