| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinge mechanism for a frame of a sales table which retains shapes when it is folded, can support the installed sales table securely, allows fine adjustments of fitting errors, and promises easy transportations and storage by making the frame for the sales table compact. SOLUTION: A necessary number of small holes 15 are provided in a row at necessary places on a metallic constituting member 14 such as a frame 11 for the sales table. The constituting member 14 can be folded along the row of the small holes 15, and the shape of the folded constituting member 14 can be retained.
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