Patent ID: 6371431
Filing Date: 2002-04-16
Classification: B60N,Y10T

Abstract:
Adjusting device for a lengthwise adjustable vehicle seat comprising:control arm units mounted on both sides at front and rear ends on a seat underframe for vertical adjustment of the vehicle seat, with which a seat frame is articulated on the seat underframe, corresponding control arms of the front and rear control arm units being connected with one another by a respective link assembly, each said link assembly comprising two coupling arms articulated to one another at an intermediate joint which is supported so that the intermediate joint can move displaceably on the seat underframe, and a drive device operable to drive all of the control arm units in a pivotably movable fashion, wherein each of the intermediate joints is displaceably guided on the seat underframe, wherein the drive device for coupling the control arm units at opposite lateral sides of the seat comprises a transverse rod on which an associated pair of the control arm units is nonrotatably mounted, and wherein the drive device has an associated drive which is fastened to the seat underframe.