Rotary duct cleaning brush device
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United States of America Patent
Stats
-
Dec 6, 1994
Grant Date -
N/A
app pub date -
May 17, 1994
filing date -
May 17, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotary air-driven brush device for cleaning air ducts comprises a reversible rotary air motor connected to a source of air under pressure and having a threaded output shaft. A brush head includes an inner mounting member secured to the output shaft and an outer housing spaced from the inner mounting member. A plurality of brush members are removably mounted in axially spaced apart openings extending through the brush head mounting member. The brush members include tubular bristle holder elements which are secured in the openings in the brush head by set screws. A plurality of support legs having rollers thereon support and guide the brush head within the duct during the duct cleaning operation.
First Claim
Family
International Classification(s)
Cited Art Landscape
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