| 摘要 |
PROBLEM TO BE SOLVED: To provide a board housing box for the game machines which enables the simple return of the cover state even after it is released once. SOLUTION: The cover state can be released by breaking a link rib 91 for cutting with a tool such as a nipper against the board housing box 60 so built as to make the cover state unreleaseable. In the return of the cover state after released, a spare one-way mounting screw 100 supported to be housed into a spare screw mounting part formed inside a spare screw housing plate of a cover body 80 is taken out and screwed down into a mounting hole 93 in a recess 92 of the cover body 80 set to make a cover again and a lock hole 69 in a mounting boss 68 for the re-closure of a box body 61, thereby accomplishing the re-closure very easily. COPYRIGHT: (C)2006,JPO&NCIPI
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