| 摘要 |
PROBLEM TO BE SOLVED: To stabilize containers even when being used under a stacked state by adding an external side surface-fixing surface in order to fix the inverted trapezoidal container from the outside, to the upper section of a pedestal, and adding a post to supply the strength of the inverted trapezoidal container while grounding near corners of the opening of the inverted trapezoidal container. SOLUTION: A pedestal 1 is pinched by upper and lower inverted trapezoidal containers 8, and fixed to the top and the bottom. Under the pedestal 1, a post 4 in order to reinforce the strength of the inverted trapezoidal container 8 is added. On the side surfaces of the post 4, an internal side surface-fixing surface, which comes into contact with the internal side surfaces forming corners of the inverted trapezoidal container 8, is arranged on the right and the left, and an auxiliary utensil 9 is fixed to the inverted trapezoidal container 8 by fixing the internal side surface-fixing surfaces in the direction to the corners of the inverted trapezoidal container 8. On the pedestal 1, external side surface fixing surfaces 2, which are diagonally confronted with each other, are added. By this constitution, even when the containers 8 are stacked, the containers 8 are stabilized in the longitudinal, lateral and vertical directions, and a usage while being inverted becomes possible, and the inverted trapezoidal containers 8 can be used efficiently.
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