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Window cleaning apparatus

  • US 5,655,247 A
  • Filed: 11/21/1994
  • Issued: 08/12/1997
  • Est. Priority Date: 05/26/1992
  • Status: Expired due to Fees
First Claim
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1. Cleaning apparatus for cleaning windows comprising frame structure, an elongate wiper element having a length less than a side of a window and carried by said frame structure, means carried by said frame structure and operatively coupled to the wiper element for moving said element continuously along and in continuous contact with the entire surface of the window during cleaning and without displacement of said wiper element from the surface of the window, and automated control means coupled to said moving means for controlling the movement of said element across the surface of the window, said element including a wiper blade in continuous contact with the surface of the window during cleaning.

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