Patent ID: 9499071
Filing Date: 2016-11-22
CPC Classification: B60N

Claim Text:
1. An adjustment device for a pivot joint fitting of a motor vehicle seat, comprising: a housing portion; a drive unit; a gear unit, which is downstream from the drive unit, is driven by the drive unit, has at least one self-locking gear, and drives an output shaft, wherein the self-locking gear is an eccentric gear and comprises an annular gear wheel and an eccentric protrusion; an arm that can be adjusted within a pivoting range about an axis of the pivot joint fitting, which arm is rotationally connected to the output shaft and is adjustable in an angle range ≦360° about the axis of the joint fitting; and at least one stop mechanism that limits the pivoting range of the arm at least in one first pivoting direction, wherein the stop mechanism comprises a first stop disposed on a control gear wheel having the eccentric protrusion, and the stop mechanism further comprises a first counter-stop disposed on the annular gear wheel, the first counter-stop is in contact with the first stop when the arm is located at a first end of the pivoting range.