To hardly form a large gap between a back surface constitution part of a skin material and a lumbar support when a shape of the lumbar support is varied so that one part is positioned in front of the other parts.SOLUTION: A seat back for a vehicle seat includes: a cushion member 20 having a pair of side parts 28 connected to a central part and a pair of side edge parts of the central part to relatively rotate; a lumbar support 60 which makes contact with a rear surface of the central part, and in which a position in a front-back direction of one part is varied; a bag-like skin material 76 covering the cushion member and the lumbar support; a pair of side part restraint members 92, 95 which are connected to an inner surface of the skin material and restrain each of the pair of the side parts; and a pair of back surface restraint members 97 which are provided on an inner surface of a back surface constitution part 87A, 87B of the skin material and are connected to the respective side part restraint members.SELECTED DRAWING: Figure 10

    【課題】一部が他の部位よりも前側に位置するようにランバーサポートの形状が変化させられたときに、表皮材の背面構成部とランバーサポートの間に大きな隙間が形成され難いようにする。【解決手段】中央部及び中央部の一対の側縁部のそれぞれに相対回転可能に接続する一対の側部28を有するクッション部材20と、中央部の後面に接触し且つ一部の前後方向の位置が変化させられるランバーサポート60と、クッション部材及びランバーサポートに被せられる袋状の表皮材76と、表皮材の内面に接続され一対の側部をそれぞれ拘束する一対の側部拘束部材92、95と、表皮材の背面構成部87A、87Bの内面に設けられ、一対の側部拘束部材にそれぞれ接続される一対の背面拘束部材97と、を備える。【選択図】図10


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    Titel :

    SEAT BACK FOR VEHICLE SEAT


    Weitere Titelangaben:

    車両用シートのシートバック


    Beteiligte:
    YOSHIGA KENSUKE (Autor:in) / JINEDA HIROKI (Autor:in) / SAITO MITSUTOSHI (Autor:in)

    Erscheinungsdatum :

    11.06.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B68G Verfahren, Ausrüstung oder Maschinen zum Verwenden in der Polsterei , METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING



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