Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-04-03
1983-09-20
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15236R, 15401, 15405, 37230, 239129, A47L 514
Patent
active
044047053
ABSTRACT:
A hand-held scraping device for de-icing frozen car windows utilizing the exhaust fumes emitted through the car's tail pipe for softening or melting the layer of ice wherein a flexible hose is clamped over the free end of the tail pipe, the exhaust fumes conducted through the flexible hose to a scraper head attached to a handle section of the flexible hose, in which the exhaust fumes distributed through either a number of frontal circular outlets over a flat plastic scraping strip, or through a narrow continuous rectangular outlet behind an inclined front wall equipped with a plastic scraping strip, with optional vertical outlet strips or openings through the bottom wall of either version of the scraper head for additional distribution of the hot gases onto the windshield.
REFERENCES:
patent: 695967 (1902-03-01), Thurman
patent: 1298200 (1919-03-01), Gorgey
patent: 1378577 (1921-05-01), Bahrenburg
patent: 1468541 (1923-09-01), Nagues
patent: 1773051 (1930-08-01), Marenti
patent: 2096023 (1937-10-01), Albertson
patent: 2711552 (1955-06-01), Lengyel
patent: 3248133 (1966-04-01), Michnoff
patent: 3816863 (1974-06-01), Thielemann
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