To provide a seat cushion airbag device that can restrict a waist of an occupant from moving forward, even when the occupant is in a comfortable posture.SOLUTION: The seat cushion airbag device is applied to a vehicle seat including a seat cushion which has: a sitting cushion 12; and a seat pan (support portion) 13 supporting the sitting cushion 12 from below. The seat cushion airbag device has an airbag 50 including an inflating portion. The inflating portion has: a low rear inflating portion 58 which incorporates a gas generator 40, and inflates under buttocks of an occupant; a front inflating portion 57 which inflates under thighs of the occupant; and a communication portion which causes the low rear inflating portion 58 to be in communication with the front inflating portion 57. Between the seat pan 13 and the sitting cushion 12, there is disposed a tilting plate 70 which is supported by a shaft 71 so as to be vertically tiltable, the shaft being provided behind the front inflating portion 57. The tilting plate 70 includes a planar pressure receiving portion 72 which receives pressure of gas for inflation from below through at least the front inflating portion 57, of the inflating portion.SELECTED DRAWING: Figure 5

    【課題】乗員が安楽姿勢を採っていても、腰部の前方への移動を規制する。【解決手段】シートクッションエアバッグ装置は、シートクッションが、座クッション12と、座クッション12を下側から支持するシートパン(支持部)13とを備える車両用シートに適用されるものであり、膨張部を有するエアバッグ50を備える。膨張部は、ガス発生器40を内蔵し、かつ乗員の臀部の下方で膨張する下後膨張部58と、大腿部の下方で膨張する前膨張部57と、下後膨張部58及び前膨張部57を連通させる連通部とを備える。シートパン13及び座クッション12の間には、前膨張部57よりも後方に設けられた軸71により上下方向へ傾動可能に支持された傾動板70が配置される。傾動板70は、膨張部のうち、少なくとも前膨張部57を通じて膨張用ガスの圧力を下側から受ける平板状の受圧部72を備える。【選択図】図5


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    Titel :

    SEAT CUSHION AIRBAG DEVICE


    Weitere Titelangaben:

    シートクッションエアバッグ装置


    Beteiligte:
    TANAKA KOKI (Autor:in) / IIDA TAKASHI (Autor:in) / SUZUKI SHIGEYUKI (Autor:in) / YAMADA TADASHI (Autor:in) / MASUDA HIROSHI (Autor:in) / KITTE HAJIME (Autor:in) / TANAKA YUKISACHI (Autor:in)

    Erscheinungsdatum :

    2020-02-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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