A seat belt assembly for a vehicle includes a pretensioner, and a cable connected to the pretensioner. The seat belt assembly includes a torsion bar having a plurality of teeth. The cable has slots interlocking with the teeth. During a sensed impact of the vehicle, the pretensioner is activated to retract the cable to pretension the seat belt assembly relative to an occupant of the vehicle. The interlocking of the slots with the teeth exerts torsional forces on the torsion bar, which yields to reduce forces on a chest of the occupant.


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    Title :

    Pretensioning, force-limiting seat belt assembly


    Publication date :

    2017-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English



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