WINDOW SHADING APPARATUS HAVING INSTALLATION WIDTH ADJUSTMENT FUNCTION

The present invention relates to a window shading apparatus comprising a blind sheet module including a blind sheet which is unwound when pulled in a wound state so as to cover a window of a vehicle and a pair of guide rails, each having one side connected to one side of the blind sheet module, the guide rails respectively guiding movements of the pair of cord units. Each of the guide rails includes a location adjusting unit which is to be fixed after a connecting location with respect to the blind sheet module is adjusted. The window shading apparatus capable of adjusting the installation width according to the present invention can adjust the width corresponding to an installation space, in particular, the installation width, while maintaining the operating performance of the shading apparatus at the same level, thereby improving completeness thereof.