Patent ID: 7424940

Claim:
An adjustment device for producing a two-sided rotational movement for window lifters and seat adjusters in motor vehicles the adjustment device comprising: an adjustment housing, a drive element pivotal about an adjustment axis, driven element driven by actuation of the drive element with a hollow cylindrical bearing face, an output element on an output side, an adjustment drive mounted in the force flow between the drive element and the driven element and which transfers an adjusting movement of the drive element only to the driven element when the drive element is moved from a neutral initial position, and a brake lock which is mounted between the driven element and the output element and blocks torque introduced on the output side, wherein any one of the adjustment drive and the brake lock comprises at least one loop spring band which has a circumference of less than 360° and bearing faces for any one of transferring force from the drive element to the driven element, transferring force from the driven element to the output element, and transferring force from the output element to the adjustment housing.