Patent ID: 7847205

Claim:
A hinge actuator comprising: a first part; a second part; an electric drive, the first part configured for connection to the second part via the electric drive; a coupling provided between the first and second parts such that in a first position the first part and the second part are connected via the drive and can be pivoted relative to each other via the drive, and in a second position the first part and the second part are not connected via the drive and can be pivoted relative to each other manually; and an auxiliary coupling ring disposed between the coupling and the second part; wherein first stops are included on the coupling and the auxiliary coupling ring, and second stops are included on the coupling and the first part; the first and second stops only cooperate in the second position of the coupling in an opposite pivoting direction and are configured to define a select or predetermined position, the first and second stops are not active in the first position of the coupling, and the first and second stops are only active in the second position of the coupling.