A spool 2 which winds up webbing which restrains an occupant, a base frame 3 which accommodates the spool 2 so as to be rotatable, a spring unit 4 which biases the spool 2 in a winding direction, a pretensioner 5 capable of winding up the webbing in an emergency, and a lock mechanism 6 capable of stopping withdrawal of the webbing are provided, the pretensioner 5 including a rotating body 51 concentrically connected to the spool 2 and an injection body 52a made of resin which rotates the rotating body 51, the rotating body 51 made of metal having a wall thickness T half a diameter D of the injection body 52a or smaller.


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    Title :

    SEAT BELT RETRACTOR AND SEAT BELT DEVICE


    Contributors:

    Publication date :

    2020-07-30


    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



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