Flat surface washing apparatus

Details Flat surface washing apparatus Flat surface washing apparatus

2007-12-18

2007-12-18

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

With movably or flexibly mounted spray or jet applying...

C134S173000, C134S176000, C239S104000, C239S172000, C239S258000, C239S261000, C239S589000

Reexamination Certificate

active

10816664

ABSTRACT:
An engine and high pressure pump are mounted onto a wheeled chassis. High pressure water is distributed to a rotating wand and nozzle assembly on the wheeled chassis so that as the chassis is moved along a linear path, high pressure water is sprayed onto an underlying surface to clean the surface. Optional diffusion plates may be used to prevent high pressure water from being sprayed directly onto the underlying surface in part of the rotational path defined by the wand and nozzle assembly.

REFERENCES:
patent: 3332221 (1967-07-01), McCain
patent: 5029758 (1991-07-01), Chayer
patent: 5284298 (1994-02-01), Haynes et al.
patent: 5456412 (1995-10-01), Agee
patent: 5898970 (1999-05-01), Straiton
patent: 6012645 (2000-01-01), Poppitz
BE, Flat Surface Cleaner & Telescoping Wand, brochure, circa 2002.

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