Patent ID: 6598929
Filing Date: 2003-07-29
Classification: B60J

Abstract:
A windup window shade for regulating the entry of light through a window into the interior of a motor vehicle, comprising:at least one windup shaft, which is rotatably seated, at least one window shade web, which is fastened by one edge on the windup shaft, at least one pair of guide rails, each of which extends laterally beside the window shade web when extended, and each of which contains at least one guide groove, a length-adjustable traction rod, which is connected with and edge remote from the windup shaft and is composed of a center element and two end elements, of which the end elements are guided in the guide grooves, a centering device, formed as a differential gearing which, at least approximately, centers the center element with respect to the end elements, and a drive mechanism for moving the traction rod along the guide rails and for rotating the windup shaft.