| 摘要 |
PROBLEM TO BE SOLVED: To prevent fraudulence to a board box by making it difficult to remove the board box from the main body of a game machine. SOLUTION: In the game machine which arranged board box 12 which received game control base plate equipped with electronic component mounted on board, a control unit fixing part 200 for fixing the board box to a base board holder 60 includes: an upper cover member 80 arranged in the board box; a bottom cover member 90 arranged in the base board holder for catching the base board holder and the board box together with upper cover member; a rib locking part arranged in the bottom cover member, to be locked with the board box and the vertical rib of the base board holder, a caulking part 82 for fixing the upper cover member and bottom cover member in which the base board holder and the board box are caught; and a fixing part having a caulking receiving part 94 and a one-way screw. The fixing part can be unfixed only by the method which leave a trace on it. COPYRIGHT: (C)2009,JPO&INPIT
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