Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1980-10-15
1982-10-12
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
151042, A46B 318
Patent
active
043531431
ABSTRACT:
A conduit cleaning apparatus suited for manually cleaning elongated pipes, with particular reference to chimneys, has a unitary flexible pushing member of spring steel having a predetermined rectangular cross section providing sufficient stiffness to operate a brush within a chimney, including the transfer of thrust through a significant angle of curvature, while permitting elastic deformation of the pushing member so as to traverse sharp corners encountered in certain clean outs, and also for close coiling within a carrying frame. The brush, which is detachably mounted on an attachment adaptor secured to one end of the pushing member has a plurality of stiff tines deflectably mounted on spring means to permit a significant degree of coning of the brush in either direction during insertion or withdrawal past an obstruction. The arrangement permits the use of brushes of shaped planform, to accord with the cross-sectional shape of the conduit being cleaned. A clamping handle through which the pushing member is inserted permits the ready application of pushing or pulling effort to the pushing member.
REFERENCES:
patent: 328967 (1885-10-01), Delschleger
patent: 901483 (1908-10-01), Sandstrom
patent: 1545355 (1925-07-01), Roth
patent: 1837931 (1931-12-01), Walbrohl
patent: 1844433 (1932-02-01), Markowitz
patent: 1964057 (1934-06-01), Hill
patent: 2219555 (1940-10-01), Burwell
patent: 2536185 (1951-01-01), Johnson
patent: 3588938 (1971-06-01), Guerrini
Beaudoin Joseph F. Y.
Beaudoin Joseph L. Y.
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