Duct sweeper

Details Duct sweeper Duct sweeper

1989-09-14

1991-01-15

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15395, A47L 902

Patent

active

049843290

ABSTRACT:
The cleaning apparatus is formed by a housing member having a first flexible hose coupled to a first end and a smaller diameter second flexible hose coupled to a second opposite end. A turbine is supported for rotation within the housing member. A flexible drive shaft extends through the second flexible hose and has one end coupled to the turbine for rotation therewith and a second end extending out of the other end of the second flexible hose with a brush coupled thereto. An air blower, which preferably is operated in the vacuum mode, is coupled to the first flexible hose for moving air through the second flexible hose, the housing member, and the first flexible hose for causing the turbine and hence the flexible drive shaft and brush to rotate for cleaning the wall of an air duct with the brush and for removing dust and other matter from the duct.

REFERENCES:
patent: 1580294 (1926-04-01), Gawley
patent: 2078634 (1937-04-01), Karlstrom
patent: 2351169 (1944-06-01), Weinland
patent: 4792363 (1988-12-01), Franklin et al.
patent: 4800616 (1989-01-01), Wade

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