| 摘要 |
PROBLEM TO BE SOLVED: To make the assembling of a knockdown box easy by improving the accuracy in outline size of common plate units, and improve the accuracy in size of the knockdown box as a whole. SOLUTION: Screw holes 73, 76 are formed on a holding member 10 forming the common plate unit 2, and a plate presser 11 engaged with the holding member 10 is fastened and fixed by screws engaged in the screw receiving holes 73, 76. Whereby the plate presser 11 can be prevented from floating from the holding member 10, and the accuracy in outline size of the common plate unit can be improved.
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