Brushing – scrubbing – and general cleaning – Attachments – For a vacuum cleaner
Patent
1977-05-13
1978-04-25
Blum, Daniel
Brushing, scrubbing, and general cleaning
Attachments
For a vacuum cleaner
F23J 300
Patent
active
040854779
ABSTRACT:
A tool for cleaning flues or chimneys which has surface-engaging scrapers, levers for displacing the scrapers into engagement with the surfaces to be cleaned, and a resilient connector between the levers and an actuator therefor. The tool may be so made as to interchangeably accommodate scrapers of different sizes and shapes, and the blades may be made adjustable so that the same set of scrapers can be used in cleaning chimneys or flue surfaces of different dimensions.
REFERENCES:
patent: 518638 (1894-04-01), Weston
patent: 1315849 (1919-09-01), MacDonald
patent: 1392202 (1921-09-01), Nechville
patent: 1543018 (1925-06-01), LeFeuvre
patent: 1582309 (1926-04-01), Satterberg
German Printed Application-Inventor Aden-Ser. No. K24557-Nov. 15, 1956.
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