PROBLEM TO BE SOLVED: To provide a vehicular occupant restraining device that can reduce pressure acting on a vicinity of a breast bone of an occupant from a shoulder belt side of a three-point seat belt at a front collision.SOLUTION: A swelling device is provided, along a shoulder belt 22A from a belt guide arranged above a seat back toward a buckle 32 side, across a range of a shoulder part S of an occupant P. At a front collision, a swelling-out part 42 of the swelling device is inflated toward the occupant P side, so that the shoulder part S of the occupant P is pressed at high pressure against the swelling-out part 42 to be restrained. While, when the swelling-out part 42 swells, the shoulder belt 22A is separated from the occupant P, in a vicinity of a breast bone B. This can suppress or prevent high pressing force from being applied to the shoulder part S with comparatively high strength in a human body and pressing force from acting on the vicinity of the breast bone B with relatively low strength, at the front collision.SELECTED DRAWING: Figure 2

    【課題】前面衝突時に3点式シートベルトのショルダベルト側から乗員の胸骨付近に作用する圧力を低減する車両用乗員拘束装置を提供する。【解決手段】膨出装置は、シートバックの上部に配設されたベルトガイドからバックル32側にショルダベルト22Aに沿って乗員Pの肩部Sの範囲に亘って設けられている。前面衝突すると、膨出装置の膨出部42が乗員P側に膨らまされ、乗員Pの肩部Sが膨出部42に高い圧力で押圧され、拘束される。一方、膨出部42が膨らむことで、ショルダベルト22Aは胸骨付近Bで乗員Pから離間する。このように、前面衝突時に、人体において相対的に強度の高い肩部Sに高い押圧力が付与されると共に、相対的に強度の低い胸骨付近Bに対しては押圧力が作用することを低減又は防止できる。【選択図】図2


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    Title :

    VEHICULAR OCCUPANT RESTRAINING DEVICE


    Additional title:

    車両用乗員拘束装置


    Contributors:

    Publication date :

    2018-03-08


    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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