| 摘要 |
An adjustment assembly includes a worm gear drive, a planetary gear drive, an emergency actuator, and a housing. The worm gear drive is configured to be driven by a drive motor. The planetary gear drive has a ring gear with external teeth. The planetary gear drive is configured to be driven by the worm gear drive. The emergency actuator has a worm screw. The housing houses the worm gear drive, the planetary gear drive, and the emergency actuator. The housing has a cylindrical receptacle. The ring gear, by the external teeth, is accommodated and guided by the cylindrical receptacle in the housing. The external teeth of the ring gear are engaged with the worm screw of the emergency actuator whereby the emergency actuator is configured to act on the planetary gear drive.
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