| 摘要 |
A seat belt retractor has a winding reel rotatably mounted in a frame, an electric motor and a switching mechanism, with which varying torques can be transmitted to the winding reel to adjust the comfort of a wearer of the seat belt or to tighten the seat belt. The switching mechanism is automatically directed into a switch position set for the comfort perceived by the wearer of the seat belt and into a switch position for belt tightening, in which if necessary an adjustable load limitation is also achieved.
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