Method and apparatus for removing and collecting dust

Details Method and apparatus for removing and collecting dust Method and apparatus for removing and collecting dust

1986-08-11

1988-11-01

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15347, A47L 514, A47L 914

Patent

active

047809272

ABSTRACT:
A portable device for removing and collecting dust, particularly from vehicle friction brake and clutch assemblies, comprises a base having a high efficiency filter and vacuum assembly, a transparent evacuation hood designed to surround the brake or clutch, a vacuum hose for removing contaminated air from the hood to the base, and adjustable means for disposing the hood at variable heights above the base. The filter and vacuum assembly, which may serve as a stand alone unit having application outside the automotive field, is oriented such that a disposable filter is located in a compartment upstream of the vacuum motors and may be removed from the base while the vacuum motors are running, thereby preventing dispersal of hazardous materials during the filter changing operation. Apertures provided in the hood include two gloved portals for allowing a worker's hands and arms to have unimpeded access to the brake and clutch assemblies. A highly portable embodiment includes an inflatable hood.

REFERENCES:
patent: 3222707 (1965-12-01), Allenbaugh
patent: 3510905 (1970-05-01), Bannert
patent: 3731340 (1973-05-01), Pitre, Sr.
patent: 3972089 (1976-08-01), Parks
patent: 3978547 (1976-09-01), Lawson
patent: 4072483 (1978-02-01), Doyle, Jr.
patent: 4205412 (1980-06-01), Weber
patent: 4310945 (1982-01-01), Tribolet
"Nilfisk Asbestos-Clene Systems", Nilfisk of America, Inc. (Date unknown.).
"Nilfisk Absolute--Vacuum Cleaners", Nilfisk of America, Inc. (Date unknown).

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