| 摘要 |
The invention relates to an actuator for selecting from shift stages of a shift-by-wire gear changing transmission having an actuating element, mechanical transfer means (4) for actuating the parking lock, and a coupling device disposed between the actuating element and the transfer means (4). The transfer means (4) is thereby actuated selectively by the actuating element only when the parking lock position on the selector lever is selected or deselected. According to the invention, the actuator is characterized in that the coupling device comprises a sliding guide (1) having a latch recess (10) and a split coupling carriage (2, 3). The two parts (2, 3) of the coupling carriage are thereby coupled to each other by means of preferably two tie bar elements (7). The two parts (2, 3) of the coupling carriage are automatically decoupled by sliding the tie bar elements (7) into the latch recess (10). According to the invention, the transfer mechanics required for selectively actuating the transfer means for the parking lock can be simplified in design and with respect to assembly. Installation space and costs can be reduced and the actuator can be implemented for moving easily and with low noise. |
