To provide a three-point type seat belt device for vehicle capable of suitably stopping a buckle swinging forward even when a portly passenger sits or if a seat frame deforms, and also reducing an injury risk in a case of a collision.SOLUTION: A three-point type seat belt device for vehicle comprises: a pre-tensioner mechanism which draws a shoulder belt in; a buckle 50 which is coupled to a seat frame swingably in forward/backward direction of a seat; a slide mechanism (a shaft part 80A and a slide part 66B) which makes the buckle 50 move to a vehicle upper side when a tensile load equal to or larger than a predetermined value is applied to the buckle 50 while the pre-tensioner mechanism is working; and a lock mechanism (the shaft part 80A and a stop part 66C) which stops the buckle 50 swinging when the buckle 50 is made by the slide mechanism to move to the vehicle upper side.SELECTED DRAWING: Figure 1

    【課題】身幅の大きい乗員が着座した場合やシートフレームが変形した場合でもバックルの前方への揺動を適切に阻止し、かつ衝突時における受傷リスクを低減できる車両用3点式シートベルト装置を提供する。【解決手段】車両用3点式シートベルト装置は、ショルダベルトを引き込むプリテンショナ機構と、シートフレームに対してシート前後方向に揺動可能に連結されたバックル50と、プリテンショナ機構の作動時に所定値以上の引張荷重がバックル50に作用した場合、バックル50を車両上方へ移動させるスライド機構(軸部80A及びスライド部66B)と、スライド機構によりバックル50が車両上方へ移動したときにバックル50の揺動を阻止するロック機構(軸部80A及び阻止部66C)と、を備える。【選択図】図1


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    Titel :

    THREE-POINT TYPE SEAT BELT DEVICE FOR VEHICLE


    Weitere Titelangaben:

    車両用3点式シートベルト装置


    Beteiligte:

    Erscheinungsdatum :

    16.05.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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