The invention relates to a blind device, particularly for a sunroof system, comprising a blind web (3) that can be wound up at least at one end by means of a winding mechanism so as to form a wound blind (12). The winding mechanism encompasses at least one constant-force spring (10) that is connected to the blind web (3) as well as a winding element (20) for the constant-force spring (10). The winding element (20) is mounted to be rotatable about a winding axis (23).
