Chimney sweep system

Details Chimney sweep system Chimney sweep system

1986-07-25

1988-05-31

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Attachments

For a vacuum cleaner

15249, F23J 300

Patent

active

047471778

ABSTRACT:
A chimney sweep system including a chimney support assembly, a winch attached to the chimney support assembly, and a scraper assembly connected to a cable of the winch which is used to lower and raise the scraper assembly within the chimney. The chimney support assembly is adjustable to accommodate different chimney lengths and widths. A scraper assembly includes upwardly concave bent edges, a flexing parallelogram which connects the scrapers to facilitate the descent of the scraper assembly into a chimney, and an elasticized collection bag for retention of scrapped creosote and dust.

REFERENCES:
patent: 344460 (1886-06-01), Rowlett et al.
patent: 423268 (1890-05-01), Osgood
patent: 1543018 (1924-04-01), Le Feuvre
patent: 2157493 (1939-05-01), Miller et al.
patent: 2799885 (1957-07-01), Puett
patent: 4028769 (1977-06-01), Coviello et al.
patent: 4085477 (1978-04-01), Anderson
patent: 4138758 (1979-02-01), Dodge et al.
patent: 4261073 (1981-04-01), Lane
patent: 4409703 (1983-10-01), Marcellus
patent: 4538317 (1985-09-01), Sorenson

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