To stabilize expanding development of a head chamber between shoulder belt and a passenger head even when a side airbag having the head chamber and a trunk chamber is composed of a single bag body.SOLUTION: A vehicle seat 10 comprises: a seat body 12 for binding a passenger P by using a three-point seat belt 32; a side air bag 42 which has a constricted part 42C between a head chamber 42A and a trunk chamber 42B, which is housed in the state of being folded along an upper end 16U from a lateral side 16L outside a seat back 16 in a vehicle width direction through a shoulder 16S, and which receives a gas from an inflator to expand and develop towards a lateral side of the passenger P; and a loop fabric 50 which is attached to a part located in the shoulder 16S on a seat back surface 24 and which binds the constricted part 42C to the shoulder 16S to expand and develop the head chamber 42A between the shoulder belt 32A and a head H.SELECTED DRAWING: Figure 1

    【課題】頭部チャンバと胴部チャンバとを有するサイドエアバッグが単一の袋体により構成されていても、ショルダベルトと乗員頭部との間への頭部チャンバの膨張展開を安定させる。【解決手段】車両用シート10は、3点式のシートベルト32を用いて乗員Pが拘束されるシート本体12と、単一の袋体により構成され、シートバック16における車両幅方向外側の側部16Lから肩口16Sを経て上端部16Uに沿って折り畳み状態で収納され、インフレータからのガスが供給されて乗員Pの側方に膨張展開すると共に、頭部チャンバ42Aと胴部チャンバ42Bとの間に括れ部42Cを有するサイドエアバッグ42と、シートバック表皮24において肩口16Sに位置する部位に取り付けられ、前記膨張展開時に括れ部42Cを肩口16Sに拘束することにより、頭部チャンバ42Aをショルダベルト32Aと頭部Hとの間に膨張展開させるループ布50と、を備える。【選択図】図1


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    Title :

    VEHICLE SEAT HAVING SIDE AIRBAG DEVICE MOUNTED THEREON


    Additional title:

    サイドエアバッグ装置を搭載した車両用シート


    Contributors:

    Publication date :

    2023-01-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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