| 摘要 |
A vehicle seat back having a reentrant rear face constituted by a rigid upsidedown U-shaped frame (1), by a resilient sheet (N) tensioned inside said frame, and by padding (5) of flexible material. The seat back includes three Jshaped metal section bars respectively constituting two uprights (7) and a top horizontal cross-member, together forming an upsidedown U-shape, the bars being welded to the frame, each opening of the J-shapes being occupied by an adjacent edge of facing (6) that covers the padding (5), a horizontal metal bar welded to the bottom of the frame, a flexible panel (10) bounded laterally by two hems (12) and along the top by a horizontal line of stitching to the facing, and two L-shaped metal rods (17) each comprising a vertical length (171) received in a corresponding one of the two hems, which length has its top end fixed to the cross-member, and a horizontal bottom length which is fixed to the bar.
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