Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Patent
1990-10-29
1992-01-28
Taylor, Dennis L.
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
37285, E01H 506
Patent
active
050833880
ABSTRACT:
A snow removal apparatus that can be used to remove snow from a pitched roof while the operator is on the ground or also when the operator is on the roof. The apparatus includes two vertical snow-cutting blades, a horizontal cutting blade, and a roller assembly having a sheet of plastic on the roller. When in use, the operator unrolls the plastic and pushes the blades through the snow cutting loose a square section which then slides down the plastic to the ground as the apparatus moves up the roof line.
REFERENCES:
patent: 3091790 (1963-06-01), Schroeder
patent: 3773375 (1973-11-01), Nehis
patent: 3998486 (1976-12-01), Mittelstadt
patent: 4024654 (1977-05-01), Snyder
patent: 4089127 (1978-05-01), Maijala
patent: 4185403 (1980-01-01), Hardgrove
patent: 4249767 (1981-02-01), Andreasen
patent: 4386474 (1983-06-01), Mechavich et al.
patent: 4729199 (1988-03-01), Oller
de Groot Robert A.
Gratton Stephen A.
McBee J. Russell
Taylor Dennis L.
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