PROBLEM TO BE SOLVED: To reduce the number of components and work hours during assembly.SOLUTION: A lumbar support device includes: a lumbar part support member 20 attached to a frame 2 of a vehicle seat; a lumbar bearing 32 rotatably supporting a rotary shaft 22 of the lumbar part support member 20; a lumbar bush 30 having the lumbar bearing 32; a restriction member 40 which restricts a rotatable area of the lumbar part support member 20; and a pressing member 50 which contacts with the lumbar part support member 20 to generate friction during rotation. The restriction member 40 and the pressing member 50 are integrally formed with the lumbar bush 30.SELECTED DRAWING: Figure 10

    【課題】部品点数および組み付け時の工数を削減可能とする。【解決手段】ランバーサポート装置は、車両用シートのフレーム2に取り付けられた腰部サポート部材20と、該腰部サポート部材20の回転軸22を回転可能に支持するランバー軸受32と、該ランバー軸受32を有するランバーブッシュ30と、腰部サポート部材20の回転可能領域を規制する規制部材40と、腰部サポート部材20に接触して回転時にフリクションを生じさせる押さえ部材50と、を備えている。規制部材40と押さえ部材50はランバーブッシュ30に一体的に形成されている。【選択図】図10


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    Title :

    LUMBAR SUPPORT DEVICE


    Additional title:

    ランバーサポート装置


    Contributors:

    Publication date :

    2018-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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