| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a folding box that allows a starting-up operation and a folding operation to be performed in a small space and a posture at the starting-up to be stabilized, the whole of which can be brought up surely by holding a top frame part even when storing a heavy matter therein.SOLUTION: The folding box comprises: a top frame; a bottom frame 20; a pair of first side walls 30, one ends of which are connected through a hinge to the top frame and the other ends of which are free ends and can freely fall and stand so as to be rotatable in the box; and a pair of second side walla, one ends and the other ends of which are connected through hinges to the top frame and the bottom frame respectively and can freely fold and stand, where the free end sides of the first side walls, when taking vertical standing postures, are restricted in movement in a rotation direction by bottom surfaces getting over protruding portions 100 formed on the bottom frame and restricted in movement in a vertical direction by protruding plates formed in the bottom frame intruding into recessed portions 37 formed on the bottom surface, and further a load when the top frame is brought up by collision surfaces of the plates.</p> |
