| 摘要 |
A drive device for a moveable part, in particular a hinged side window of a vehicle, with an actuating drive and with a threaded piece which is driven by the actuating drive and which meshes with an associated threaded piece, the associated threaded piece moving the part, there being provision, in order to reduce undesirable noises, for individual flights of at least one threaded piece (14) to be designed in such a way that they come to bear under the effective force in the respectively associated flights of the other threaded piece.
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