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1. US20070169305 - Material-removal system including a fluid-blasting, spray-head assembly

Office
United States of America
Application Number 11455547
Application Date 19.06.2006
Publication Number 20070169305
Publication Date 26.07.2007
Grant Number 08051529
Grant Date 08.11.2011
Publication Kind B2
IPC
A47L 11/30
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
11Machines for cleaning floors, carpets, furniture, walls, or wall coverings
29Floor-scrubbing machines characterised by means for taking-up dirty liquid
30by suction
E01H 1/08
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL
1Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
08Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
Applicants Shea James P
Inventors Shea James P
Agents Brinks Hofer Gilson & Lione
Title
(EN) Material-removal system including a fluid-blasting, spray-head assembly
Abstract
(EN)

A material-removal system can include a spray-head assembly with a plurality of rotatable fluid bars arranged in a single shroud with overlapping sweeps. A gear-box assembly can index the rotations of the fluid bars to coordinate their rotation and prevent the fluid bars from interfering with one another. The material-removal system can be mounted on a mobile platform, such as a vehicle. The vehicle can have a fluid-storage tank and a debris tank that can be tilted for dumping operation while the fluid-storage tank remains stationary. A peristaltic pump can advantageously remove liquid waste from the debris tank while a vacuum system has the debris tank operating under vacuum. The spray-head assembly can be coupled to the vehicle with an articulating-arm assembly that can include a four-bar mechanism and a pair of rotary actuators to facilitate vertical and rotational movement of the arm assembly and the spray-head assembly.

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