| 摘要 |
The invention relates to an actuator (10) for units comprising a planetary gear (14), especially a planetary differential gear, whose radially inward region is embodied as a hollow shaft and which is equipped with a drive unit and a driven shaft that cooperates with the unit to be operated. A drive shaft of the planetary gear (14) is connected to the drive unit and can be driven by the same. Said drive shaft is configured as a first hollow shaft (16) while the driven shaft is embodied as a second hollow shaft (40). A planet carrier (28) is provided that is connected to the first hollow shaft (16) or is embodied with the radially inward region thereof as a first hollow shaft (16) in such a way that a rotary movement is also performed by the planet carrier (28) when the first hollow shaft (16) rotates while the drive unit as well as the first (16) and the second hollow shaft (40) encompass a common axis of rotation. Furthermore, at least the smaller of the two internal diameters of the hollow shafts is adapted to the transversal dimensions of a substantially longitudinally extending drive rod of a unit which can be connected to the driven shaft.
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