Device for cleaning the wiper blade of a vehicle windscreen wiper

A vehicle windshield cleaning system for cleaning a windshield having an outside and an inside;

• the windshield cleaning system comprising at least one wiper blade for movement over the windshield and a blade cleaning device;
• the blade cleaning device comprising an elongated, self-adhesive straight, flat strip affixed horizontally to the outside of the windshield in a region of a path swept out by the wiper blade;
• the flat strip having an outward facing side, an inward facing side and opposite side edges;
• wherein the outwardly facing side of the strip includes means for cleaning and sharpening the wiper blade;
• the cleaning and sharpening means comprising at least first, second and third elongated, smooth, sharp-edged ribs extending continuously along and coextensive with the length of the strip, said ribs are each rectangular in transverse cross-section, and are spaced from one another and from the opposite side edges of the strip such that the wiper blade is cleaned and sharpened when it passes over the blade cleaning device;
• and
• wherein said first rib is located adjacent to and at a distance from one edge of the strip, and wherein said second and third ribs are each spaced mutually from one another and from the other edge of the strip such that a water and mud trap is formed, the distance between said second and third ribs being less than the distance between said first and second fibs, and said first and third fibs.