| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow opposed side plates to be folded into a horizontal form, even when either side is folded first, by eliminating turn of both plates upon folding. <P>SOLUTION: The freely assemblable synthetic resin container includes a planarly rectangular bottom plate and the side plates which can be folded inward by hinges. In the container, a support which has a radiused inner upper edge and connects the side plate is disposed on the edge of the bottom plate, the freely foldable hinge includes a pair of drawing-up guide and drawing-up turning part, the drawing-up guide is configured such that a guide member of which the outer surface is prepared as an slope is disposed on a recess of which the top plate side (upper surface) and the inside of the support are opened, a sliding part is protruded on the lower surface of the side plate, the drawing-up turning part is configured such that a hook-like shaft restraint part is disposed on a recess of which the top plate side (upper surface) and the inside of the support are opened and engagement pin receivers are disposed on both side surfaces of the recess, and the engagement pin receiver is formed with the engagement pin receiver which is communicated with the recess and inserts an engagement pin thereinto and an engagement part which is engaged with the engagement pin. <P>COPYRIGHT: (C)2012,JPO&INPIT |
