A belt reel (10) for a belt retractor is provided, comprising a pinion (12) which is configured to be driven by a drive element in order to rotate the belt reel (10), and a spool (14) whereon a belt can be wound up by rotation of the belt reel (10), wherein a damping device (16) is provided between the pinion (12) and the spool (14), a torque being transmittable to the spool (14) by the pinion (12) and wherein the pinion (12) and the spool (14) are rotatably fixed with respect to each other when the torque transmitted to the spool (14) by the pinion (12) is below a threshold value and wherein a relative movement between the pinion (12) and the spool (14) is allowed due to a wedging effect being enabled by the damping device (16) when the torque transmitted to the spool (14) by the pinion (12) exceeds the threshold value. Furthermore, a belt retractor is provided, comprising a belt tensioning mechanism with a belt reel (10) and a drive mechanism being configured to rotate the belt reel (10) in order to wind up a belt, wherein the drive mechanism comprises a pyrotechnic gas generator (46) and an elongated elastic piston (32) which is configured to rotate the pinion (12) of the belt reel (10) by activation of the gas generator (46).


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    Titel :

    BELT REEL AND BELT RETRACTOR


    Weitere Titelangaben:

    GURTROLLE UND GURTAUFROLLER
    ENROULEUR ET RÉTRACTEUR DE CEINTURE


    Beteiligte:

    Erscheinungsdatum :

    24.07.2019


    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



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