Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Patent
1998-08-14
2000-09-05
Lillis, Eileen Dunn
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
37266, 37274, 172393, 172832, 1727011, E01H 506, E02F 380, E02F 376
Patent
active
061124389
ABSTRACT:
A snow plow includes a central blade and left and right end blades pivotally connected to the ends of the central blade for movement between open positions in line with the central blade, and folded positions forward of the central blade. The rear of the central blade includes a horizontal slot for removable insertion of a loader bucket to lift and drive the plow. Side walls extend forward from the outer end of each end blade, each side wall including a removable wear shoe for sliding contact on a ground surface. The end blades are lockable in both their open and folded positions.
REFERENCES:
patent: 1373799 (1921-04-01), Conley
patent: 1581414 (1926-04-01), Young
patent: 2078636 (1937-04-01), Kuchar
patent: 4019268 (1977-04-01), Waterman
patent: 4723609 (1988-02-01), Curtis
patent: 4779363 (1988-10-01), Boutrais et al.
patent: 5638618 (1997-06-01), Niemel et al.
patent: 5655318 (1997-08-01), Daniels
patent: 5819444 (1998-10-01), Desmarais
Hartmann Gary S.
Lillis Eileen Dunn
Pro-Tech Welding & Fabrication, Inc.
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