| 摘要 |
A knock-down bin, formed from molded polymer materials, includes a rectangular base having a length L and a width W, two sides for deploying parallel to the length and a two sides for deploying parallel to the width. The sides meet to define four vertical corner portions. At least one corner portion, and preferably all four, include a hollow vertical corner post integrally formed with one of the sides, the corner post having a vertical hollow channel into which a lateral opening opens. A projection, integrally formed with the other side making up the corner portion, projects through the lateral opening into the vertical channel. A locking element is slidingly deployable within each vertical channel between an unlocked position in which the projection can be inserted and removed from the lateral opening and a locked position in which the locking element engages the projection so as to lock it within the channel, thereby locking together the adjacent first and second sides.
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