Patent ID: 7243574

Claim:
Rotating regulating device for the rotation and/or linear displacement of an actuating element comprising: a device housing; a spindle drive within the device housing comprising; a rotating spindle; and a nut surrounding and moveable in the longitudinal direction along the rotating spindle upon rotation of the spindle and comprising at least one engaging element protruding radially from the nut; a drive train rotationally driving the spindle drive and comprising: at least one reduction gear unit; and a drive device connected to the at least one reduction gear unit for movement; a fixed collar fixed from relative movement with respect to the device housing and comprising a fixed collar guide slot; a rotating collar rotatable within the device housing and comprising a rotatable collar guide slot, the slope of the rotatable guide slot being angled with respect to the slope of the fixed guide slot in the longitudinal direction; the at least one engaging element being in traveling engagement with both the fixed collar guide slot and the rotating collar guide slot, rotation of the nut being prevented by the engagement of the at least one engaging element in the fixed collar guide slot; the rotating collar being rotatable by the travel of the at least one engaging element in the longitudinal direction through the rotating collar guide slot; and the actuating element being rotatable by the rotation of the rotating collar.