| 摘要 |
PROBLEM TO BE SOLVED: To provide a knock-down synthetic-resin-made container which can be surely locked by a simple operation for rigid assembly. SOLUTION: The container consists of four side plates foldably coupled along side edges of the bottom plate, and each pair of opposite side plates can be folded inwardly. A locking part is provided, which consists of lock levers provided at both ends of one pair of the opposite side plates and engaging parts provided on the other pair of the opposite side plates. The lock lever has a receive for receiving a pressing protrusion of an unlock member mounted on the other pair of opposite side plates protrusively provided at the tip of the plate extending from the side plate, and is equipped with an engaging piece at the upper end of the receive. The engaging piece is pushed down by the engaging part when the side plates are raised and assembled, and the engaging part is restored by a spring function of a plate when it is located across the engaging piece, thereby causing the engaging part and the engaging piece to be engaged and locked. COPYRIGHT: (C)2005,JPO&NCIPI
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