A tensioning drive for a safely belt device. The tensioning drive includes a gas generator, a drive wheel and a supply pipe which connects the gas generator and the drive wheel. A plurality of pushing members is included in the supply pipe. The pushing members are accelerated after the gas generator has been activated. The pushing members drive the drive wheel, and at least one of the pushing members completely or at least partially seals the supply pipe. The sealing action of the at least one sealing pushing member is ended or reduced after a predetermined distance has been travelled.


    Access

    Download


    Export, share and cite



    Title :

    Tensioning drive for a safety belt device



    Publication date :

    2016-10-11


    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



    Belt drive tensioning system

    CHAPPLE SAMUEL S / KENT MICHAEL | European Patent Office | 2018

    Free access


    Safety belt tensioning method

    REN ZHILIANG / MENG XIANBIN | European Patent Office | 2015

    Free access

    Tensioning device for a safety belt

    European Patent Office | 2017

    Free access

    Tensioning device for a safety belt

    European Patent Office | 2017

    Free access