Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1994-05-17
1994-12-06
Spisich, Mark
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
1510409, 15179, 15194, 15200, B08B 902
Patent
active
053698347
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.
REFERENCES:
patent: 271358 (1883-01-01), Pike
patent: 1663194 (1928-03-01), Denman
patent: 1671374 (1928-05-01), Moore et al.
patent: 2161028 (1939-06-01), Dubosclard
patent: 2626413 (1953-01-01), Girton
patent: 3176772 (1965-04-01), MacGregor
patent: 3305888 (1967-02-01), Soderberg
patent: 3314095 (1967-04-01), Prange
patent: 4534080 (1987-08-01), Young et al.
Whirlflex Sales, Inc. "The 100% Mechanical Pipe Cleaner", Nov. 3, 1939, pp. 1-2.
Groen Douglas D.
Witte Kenneth W.
Bains Herman H.
Spisich Mark
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