| 摘要 |
A self-locking belt retractor in particular for motor vehicles with a vehicle-sensitive and a webbing-sensitive control system for the blocking device of the belt retractor having an operatable toothed lock washer in a cased gearing. The control system comprises a cam disc rotating with the belt shaft, coupled to the toothed lock washer and inertially formed to form the webbing-sensitive controller with external gearing for the engagement of a sensor lever of a vehicle sensor arranged on the belt retractor, whereby at least one catch lever is provided controlled by the rotation of the belt shaft and rotatable between an engaged and a disengaged position for switching the vehicle sensor off in a function range in which almost the whole of the seatbelt is retracted onto the belt shaft. A device is provided for switching the webbing-sensitive controller off as well in the above-mentioned function range of the belt retractor that the device includes a catch lever (20), which is controlled by a counter transmission, is mounted on a cap (10) spanning the control system and fixed to the belt retractor housing, and which with a single switching procedure switches off both the vehicle sensor (12) fixed on the cap (10) and an inertia mass (14) mounted on the cam disc (32) and rotatable from an inertia control position into a blocking position for the cam disc (32).
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