A seat belt pretensioner for a seat belt device in a vehicle, the pretensioner including a frame, a ball housing attached to the frame and a drive wheel located within the ball housing. A spool is connected to the drive wheel and is fixed to one end of a seat belt webbing so that the webbing may be wound around the spool. The pretensioner further includes a pipe connected to the ball housing and a gas generator connected to the pipe. At least one power transmission element is carried in the pipe and is driven by gas provided from the gas generator to contact the drive wheel and rotate the spool to retract the seat belt. A seal member is located between the at least one power transmission element and the gas generator. The seal member is sized to plug the pipe at an inlet to the ball housing.


    Access

    Download


    Export, share and cite



    Title :

    SEAT BELT PRETENSIONER


    Contributors:
    GRAY MARK (author)

    Publication date :

    2024-08-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Seat belt pretensioner

    RYDSMO ERIK | European Patent Office | 2016

    Free access

    Seat belt pretensioner

    GRAY MARK | European Patent Office | 2024

    Free access

    SEAT BELT PRETENSIONER

    GRAY MARK | European Patent Office | 2021

    Free access

    SEAT BELT PRETENSIONER

    GRAY MARK | European Patent Office | 2021

    Free access

    Vehicle seat belt pretensioner

    LEE HYUN WOO | European Patent Office | 2022

    Free access