| 摘要 |
PROBLEM TO BE SOLVED: To give a folding function and a function as a shelf with enough strength to a chair in a compatible manner. SOLUTION: When a shelf 4 is installed below a seat 3 supported by back legs 1 and front legs 2, a back end 4c found on the shelf 4 is connected to the back leg 1 as the back end 4c can turn around, and a front end 4d is connected to the front leg 2 as the front end 4d can turn around. While keeping this state, the back legs 1 and the front legs 2 can be folded by making them closer each other without hindering the shelf 4.
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