| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which facilitates the checking for the rear side of a circuit board while achieving a higher effect for preventing the fraudulence. SOLUTION: A bearing part 27 is fitted into a shaft support part 26 with a board case 22 and a mounting base 21 positioned at a prescribed angle of opening and they are locked from slipping off each other as the board case 22 is rotated in a direction of being overlapped on the mounting base 21 from the fitted position. After the locked slippage, the board case 22 is so assembled as to get the angle of its rotation to the mounting base 21 regulated when turned in a direction of being erected from the mounting base 21. COPYRIGHT: (C)2009,JPO&INPIT
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