| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine in which display of a trace display part when opening a board case is easy to view and a trace when a tightening part is removed after tightening a tightening mechanism can be surely detected. SOLUTION: For the board case 10 of the game machine, after a control board is housed and closed, the lid side/bottom side tightening parts 42 and 52 of the tightening mechanism 41 are tightened and the opening of case parts 20 and 30 with each other is regulated. The board case can be opened by dividing connection piece parts 45 and 46 connected to the side of a lid side body part 31 from the tightening part 42 and detaching the tightening part 42, and includes the trace display part 71 for displaying the trace M of opening. The trace display part includes a design surface part 72 visible on the side of an outer surface 15, and a support arm part 78 extending from the back surface side of the design surface part. The tightening part 42 includes a locking arm part 47 for moving the support arm part when moved to a detaching direction PU. The trace display part changes the design of the visible part 74 of the design surface part so as not to be restored by the movement of the support arm part by the locking arm part and displays the trace M. COPYRIGHT: (C)2010,JPO&INPIT
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