| 摘要 |
A foldable chair has a seat support, a seat plate disposed on the seat support, a first support pipe disposed beneath the seat support, a second support pipe disposed beneath the first support pipe, a first knuckle connected to a first end of the first support pipe, a second knuckle connected to a second end of the first support pipe, a third knuckle connected to a first end of the second support pipe, a fourth knuckle connected to a second end of the second support pipe, a first leg tube connected to the first knuckle, a second leg tube connected to the second knuckle, a third leg cube connected to the third knuckle, a fourth leg tube connected to the fourth knuckle, a first leg pad connected to the first leg tube, a second leg pad connected to the second leg tube, a third leg pad connected to the third leg tube, a fourth leg pad connected to the fourth leg tube, a fifth knuckle connected to the seat support, a sixth knuckle connected to the seat support, a first spindle connected to the fifth knuckle, a second spindle connected to the sixth knuckle, and a backrest plate disposed on the first spindle and the second spindle.
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