Exterior window cleaning apparatus
AssigneeRobert S. Tomko
InventorFrank Sohaiby
Life of this patent
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Abstract
The present invention is directed to a window cleaning device for large building that will clean multiple windows of the building in a single pass. The apparatus consist of a tubular housing having a water dispenser, scrubbing and window drying equipment within. The apparatus is lowered by cables from the top of the building and pivots from a guide track which is positioned along the buildings perimeter edges. The washing and drying equipment are retractable for disengagement with the window surface after cleaning allowing for repositioning of the device on the building for cleaning purposes.
Claims7
A window cleaning apparatus for use on large buildings to clean windows thereof, said apparatus comprising;
- a plurality of identical interconnected hollow housing members together forming a chamber, a retractable window washing engagement means mounted within said chamber and to said housing members for retraction away from said windows into said chamber, a squeegee means extending from said window washing engagement means, said squeegee means retractable with said window washing engagement means away from said windows, a guide track adapted to be mounted on said building, cable support and deployment means adapted to be mounted on said buildings cables extending between and coupled to said deployment means and cable engagement brackets mounted on said housing members, a water spray means mounted on said housing members, means for interconnecting said housing elements to one another, wheel assemblies on some of said housing elements, one of said wheel assemblies registered in said guide track, said support and deploying means adapted to advance said window cleaning apparatus on said track.
Dependencies are inferred from the claim text.