Patent attributes
A darkening device (1) which has a shade fabric (10) which is mounted to be able to move for displacement between a receiving position in which it is taken up spaced apart from the region to be darkened, and a drawn position in which it extends underneath the region to be darkened, and supporting arrangement (30) which are able to support the shade fabric (10) in the transverse direction in the region to be darkened. The supporting arrangement (30) holds the side edges (11, 12) of the shade fabric (10), on the one hand, and on the other, tension the shade fabric (10) between the side edges (11, 12) in the transverse direction.