Plastic moldboards for snowplows and the like

Details Plastic moldboards for snowplows and the like Plastic moldboards for snowplows and the like

1990-12-03

1992-02-18

Reese, Randolph A.

Excavating

Snow or ice removing or grooming by portable device

Process

37233, 37266, 2642791, E01H 506

Patent

active

050882155

ABSTRACT:
A plow is constructed of a curved high density polyethylene moldboard and frame assembly. The moldboard can be constructed with a mounting collar that slides over and grips the frame or with the frame molded into and encapsulated by the polyethylene. A scraper blade is attached to the bottom of the frame for increasing the moldboard's ridigity and/or securing the moldboard to the frame.

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patent: 2624258 (1953-01-01), Frevik
patent: 3432947 (1969-03-01), Peitl
patent: 3458373 (1969-07-01), Knipp et al.
patent: 3465456 (1969-09-01), Meyer
patent: 4574502 (1986-03-01), Blau
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patent: 4803790 (1989-02-01), Ciula
patent: 4833801 (1989-05-01), Winter
patent: 4845866 (1989-07-01), Ciula
patent: 4899472 (1990-02-01), Winter
patent: 5018284 (1991-05-01), Mikarni et al.
patent: 5025577 (1991-06-01), Verseef

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