To provide a seat back that can bring a back surface close to a horizontal position in a forward folded state and can be simplified in structure.SOLUTION: A seat back 14 is supported by a vehicle body so as to be rotatable between an upright position in which the seat back is upright with respect to a seat cushion 12 and a forward folded position in which the seat back is folded forward on the seat cushion 12. A side support portion 14S of the seat back 14 has a front surface plate 26 that forms a front surface thereof. The front surface plate 26 is supported by a seat back frame 20 so as to be rotatable between a projecting position set on a forward side of the seat back 14 from a main portion 14M and a retracting position set on a rearward side of the seat back 14 from the projecting position. In a state in which the seat back 14 is located at the upright position, the front surface plate 26 engages with a body-side trim 18 and is held at the projecting position. In a state in which the seat back 14 is located at the forward folded position, the front surface plate 26 is released from the holding described above and is disposed at the retracting position.SELECTED DRAWING: Figure 3

    【課題】前倒し状態で背面を水平に近づけることができ且つ構成を簡素化することができるシートバックを得る。【解決手段】シートバック14は、シートクッション12に対して起立する起立位置と、シートクッション12上に前倒しされる前倒位置との間で回転可能に車体に支持されている。このシートバック14のサイドサポート部14Sは、その前面を構成する前面板26を有している。前面板26は、メイン部14Mよりシートバック14前方側へ突出する突出位置と、突出位置よりシートバック14後方側に設定された後退位置との間で回転可能にシートバックフレーム20に支持されている。シートバック14が起立位置に位置する状態では、前面板26がボデーサイドトリム18と係合して突出位置に保持される。シートバック14が前倒位置に位置する状態では前面板26が上記の保持を解除されて後退位置に配置される。【選択図】図3


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    Title :

    SEAT BACK AND VEHICLE SEAT


    Additional title:

    シートバック及び車両用シート


    Contributors:

    Publication date :

    2024-02-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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