Wiper blade for cleaning vehicle windscreens

The wiper blade (3) and a wind deflector (2) are attached to a spring rail (1). The wiper blade can be fixed to a wiper arm. The spring rail extends over the entire width of the cross section of the wiper blade. The blade itself is fixed to the side of the spring rail facing the windscreen. The wind deflector can be fitted to the other side of the rail.