ApplicationNo. 06/527256 filed on 08/29/1983
ExaminersPrimary: Moore, Chris K.
International ClassesA47L 11/00 (20060101)
A47L 11/34 (20060101)
E01H 1/00 (20060101)
E01H 1/10 (20060101)
AbstractA combination vacuum and spray head for a pressurized cleaning apparatus adapted especially for use upon open grating. The structure includes a vacuum head housing, a shielded spray head that provides a plurality of downwardly, diagonally directed spray nozzles for directing a stream of fluid against the opposite sides of parallelly extending grate slats.
Field of SearchManipulatable nozzle with flexible conduit connection to portable power and/or material supply unit, e.g., window washer
With work-contacting carriage or mount, and relatively adjustable nozzle
With flexible conduit connection between ambulant air draft applying means and relatively stationary air pump or supply