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AssigneesJoyson Safety System Germany GmbH, Joyson Safety System Japan K.K.
InventorsAtsushi MIHARA, Lars GONNERMANN, Thomas FEIERTAG, Hans-Jürgen DIVO, Paul SPRONGL
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The invention relates, inter alia, to a belt retractor (10) for a safety belt device, with a belt reel (20) for winding up and unwinding the safety belt, a pretensioner drive (40) and a pyrotechnic tensioner drive (30), wherein the pretensioner drive (40) has a force-flux-control element (100) which, in a deactivation position, interrupts the force flux between pretensioner drive (40) and belt reel (20). It is provided that the pyrotechnic tensioner drive (30) has one or more drive elements (33) which, after activation of the pyrotechnic tensioner drive (30), is or are set into motion, and, after activation of the pyrotechnic tensioner drive (30), the force-flux-control element (100) is adjusted directly or indirectly by the drive element (33) or—in the case of a plurality of drive elements (33)—by at least one of the drive elements (33) of the pyrotechnic tensioner drive (30) into the deactivation position.
A belt retractor (10) for a safety belt device having a belt reel (20) for winding and unwinding the safety belt, a pretensioner drive (40) and a pyrotechnic tensioner drive (30), wherein the pretensioner drive (40) has a force flow control element (100) which in a deactivation position interrupts the force flow between the pretensioner drive (40) and belt reel (20),
A method for operating a belt retractor (10) for a safety belt device which is provided with a belt reel (20) for winding and unwinding the safety belt, a pretensioner drive (40) and a pyrotechnic tensioner drive (30), wherein in the method after the ignition of the pyrotechnic tensioner drive (30) the pretensioner drive (40) is deactivated by the force flow between the pretensioner drive (40) and the belt reel (20) being interrupted by means of a force flow control element (100),
Dependencies are inferred from the claim text.