| 摘要 |
A hinge actuator for a wing mirror unit includes a base plate, including base shaft with mirror support; output part; coupling ring; and gear wheel. The base plate and mirror support include cooperating stops. The coupling ring is arranged so as to be rotatable with limited travel about the base of the shaft between a first angle alpha1, which corresponds to a folded-out position, and a second angle alpha2. The coupling ring can cooperate with the mirror support via a first set of cooperating stops, and can cooperate with the base plate via a second set of cooperating stops, such that in the first angle alpha1 of the coupling ring, the spring force is transmitted, through cooperation of the first set of stops, and that in the second angle alpha2, the spring force, through cooperation of the second set of stops, is transmitted to the base plate.
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