Provided are a pretensioner, a retractor, and a seat belt device that can effectively reduce kinetic energy of an injected power transmission member. A power transmission unit includes a power transmission member that is engageable with external teeth of the ring gear, a pipe that contains the power transmission member, a gas generator that is disposed at an end of the pipe, a piston that receives gas generated from the gas generator to press the power transmission member, a first stopper that is disposed on an upstream side of the power transmission member, a second stopper that is disposed between the power transmission member and the piston, and a pretensioner cover that defines a passage for the power transmission member.


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    Titel :

    PRETENSIONER, RETRACTOR, AND SEAT BELT DEVICE


    Beteiligte:
    ASAKO TADAYUKI (Autor:in)

    Erscheinungsdatum :

    2017-10-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / A44B Knöpfe, Nadeln, Schnallen, Reißverschlüsse oder dgl. , BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE



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