Patent ID: 6986186

Claim:
An automatic window washing system for selectively cleaning a window of a dwelling, the window being mounted in a dwelling wall having an inner surface and an outer surface, said system comprising: a window squeegee assembly being attached to said outer surface, said assembly including: a pair of supports, each of said supports being elongated and attached to the outer surface of the dwelling in a vertical orientation, said supports being positioned on either side of said window, each of said supports including an upper pulley, a lower pulley and a cable forming a loop and extending around said upper and lower pulleys, an elongated blade having a first end attached to a first of said cables and a second end attached to a second of said cables; said elongated blade comprising an elastomeric material being attached to and extending between said supports, said blade having a contacting edge abutting an outer surface of the window, said contacting edge being pointed and angled downward with respect to the window; a driving assembly being mechanically coupled to said pair of supports for selectively moving said blade upwardly or downwardly; a liquid dispenser for selectively dispensing liquid on said window being attached to the outer surface of the dwelling wall adjacent to an upper edge of the window, said liquid dispenser including a horizontally oriented tubular member having a plurality of outlets directed toward the window; and a reservoir being fluidly coupled to said dispenser by a conduit.