| 摘要 |
<p>There is provided a center-foldable seat back in which a seat back upper part UB can be tilted forward relative to a seat back lower part LB. In the center-foldable seat back, by providing a trim cover 30 sewn along the entire periphery at the mutual contact position of an upper cover 34 and a lower cover 32, the pulled-in state is modulated by cloth pieces 50, 51, and 52, wrinkles are prevented from occurring on the seat surface side of the trim cover, the trim cover itself is assembled easily, and the appearance of the entire of seat is kept good. The center-foldable seat back is provided with the trim cover in which one cloth piece 50 one side edge of which is sewn to the ends of the lower cover and the upper cover is provided at least in the central portion on the inside of the trim cover as side frame insertion parts, the cloth piece is extended inward, the other side edge thereof is sewn to a fastener 40, the central portion on the back side is extended inward and sewn to the fastener, and the central portion on the inside of the trim cover is sewn so as to be capable of being opened and closed by one fastener.</p> |
