A clutch (10) for a seat-belt tensioner in a vehicle has a driving gear (16) adapted for being rotated in a driving direction (D) and in a releasing direction (R) by a reversible drive (12), a first pawl (26) arranged at a face side (24) of a seat belt spool (14), the first pawl (26) having a tooth (30) adapted to engage with a clutch-side toothing (22) on the driving gear (16) by pivoting around a pivot axis (28) on the seat belt spool (14). A second pawl (40) is arranged at a face side (42) of the driving gear (16) and interacts with a control disk (32) mounted on the seat belt spool (14), the control disk (32) being rotatable with respect to the seat belt spool (14). The control disk (32) interacts with the first pawl (26) by way of guiding geometries (34, 36) on the first pawl (26) and the control disk (32). A pawl release mechanism (90) is provided for the second pawl (40) that is adapted to release the second pawl (40) from the engagement with the control disk (32) after the first pawl (26) has reached its engaged position and to move the second pawl (40) back into its disengaged position. To close the clutch (10) the driving gear (16) is rotated in driving direction (R) and in reverse direction to open the clutch (10) again.


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    Titel :

    CLUTCH FOR A SEAT BELT TENSIONER AND METHOD FOR OPERATING THE CLUTCH


    Weitere Titelangaben:

    KUPPLUNG FÜR EINEN SITTZGURTSTRAFFER UND VERFAHREN ZUR BETÄTIGUNG DER KUPPLUNG
    EMBRAYAGE POUR UN TENDEUR DE CEINTURE DE SÉCURITÉ ET PROCÉDÉ DE FONCTIONNEMENT DE L'EMBRAYAGE


    Beteiligte:

    Erscheinungsdatum :

    29.05.2019


    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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    SINGH YASHWANTH / ADAM THOMAS / HOLBEIN WOLFGANG et al. | Europäisches Patentamt | 2017

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