| 摘要 |
PROBLEM TO BE SOLVED: To attach inner and outer panels respectively to a bottom board and an upper surface board without exposing screws or attachments externally. SOLUTION: Inward attachments 31 are respectively provided at the upper and lower edges of an outer panel 10, the upper attachment 31 is screwed on the lower surface of an upper surface board 11, and the lower attachment 31 is fixed on the upper surface of a bottom board 7 by screws inserted from the downside of the bottom board 7. At the same time, an inward attachment 20 and an outward attachment 21 are respectively provided at the upper and lower edges of an inner panel 8, the upper inward attachment 20 is fixed on the lower surface of the upper surface board by screws, and the lower outward attachment 21 is fixed by engaging a plurality of projections projected thereon into engagement holes 24 on the upper surface of the bottom board 7. COPYRIGHT: (C)2003,JPO
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