| 摘要 |
A seat comprises a first frame rotatable between a first position where the frame is raised from a floor surface and a second position where said frame is horizontally moved down along the floor surface, and a second frame rotatable between a raise position where the frame is raised from the floor surface and a folding position where the frame is horizontally moved down along the floor surfaces at the back of the first frame. The first and second frames are interlocked each other through arm rest. A seat cushion is rotatably supported on the first frame. A back rest is supported on the second frame to be rotatable in back and forth directions through a pivot shaft. The back rest and the first frame are interlocked each other through a link member. The link member rotates the back rest in a direction where the lower end portion of the back rest is drawn forward when the first frame is rotated to the first position. The back rest and the arm rest are rotatably supported by the second frame through the common pivot shaft.
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