| 摘要 |
A seat having a seat cushion and a seat back, including a horizontally extending and rotatable to-and-fro adjustment shaft which is provided in the lower portion of the seat back. A hip support, which is separate from the seat back, is movable backwards and forwards on the seat cushion from the lower portion of the seat back in accordance with the rotation of the to-and-fro adjustment shaft. An adjusting device is used to rotatably adjust the to-and-fro adjustment shaft.
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