| 摘要 |
A motor vehicle steering column unit with a steering column housing and a steering column arranged therein and with an electrically driven adjusting device is disclosed for the longitudinal adjustment and for the tilt adjustment of the steering column. The adjusting device has only one electric drive unit for the rotary drive of an adjusting spindle, as well as at least two spindle nuts, which are arranged on the adjusting spindle and are mounted movably in the axial direction of the adjusting spindle. At least one adjusting mechanism each for the longitudinal movement and for the tilting movement, as well as one switching device for each direction of movement is provided. A nonpositive connection can be established between the respective switching device and the spindle nut located adjacent to the switching device.
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