| 摘要 |
There is provided an electromotive drive for a control element, the overall drive is without self-inhibition, for which purpose its screw transmission has rolling elements in the thread, and the drive motor is a rotating field magnet. Provision is made for a freewheel clutch disposed between the drive motor and the screw transmission. A non-inhibiting reduction gear may be arranged between the freewheel clutch and the drive motor.
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