Nicholas F Clements

US Patent:

42571383, Mar 24, 1981

Filed:

Jul 23, 1979

Appl. No.:

6/059981

Inventors:

Nicholas Clements - New York NY
Richard L. Miller - Dix Hills NY

International Classification:

A47L 102

US Classification:

15 4

Abstract:

An electrically powered apparatus for automatically washing and wiping an outer side of a building window; the apparatus including a horizontal rotary brush rotating against the window and at the same time being vertically carried on vertical screws turned by an electric motor, a detergent solution supply tank above the window being contacted by the brush at its upper limit of travel so to fill a chamber inside the brush from which the solution is gradually dispensed to the brush bristles, a wiper blade above and below the brush wiping the window dry of the solution.