Variable wing plow blade and mounting structure therefor

Details Variable wing plow blade and mounting structure therefor Variable wing plow blade and mounting structure therefor

1980-05-19

1982-11-02

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Scraper blade

172825, E01H 506

Patent

active

043566456

ABSTRACT:
A variable wing plow blade and mounting structure for attaching the plow blade to a tractor, snow grooming vehicle, and the like feature distribution of the load on the blade over a relatively wide area of the supporting structural members thereby to permit reduction in their size, weight and number and in their manufacturing and assembling costs while maintaining the essential structural strength, and are further characterized in the attainment of improved performance and utility in respect of independence of the plow blade height and pitch or roll, tilt and wing blade adjustments, and greater freedom of movement of the wing blades of the plow blade, both forwardly and rearwardly, from a position of alignment with the center section of the plow blade.

REFERENCES:
patent: 1967379 (1934-07-01), Stewart
patent: 2749630 (1956-06-01), Nave
patent: 2753638 (1956-07-01), Mork
patent: 3430706 (1969-03-01), Marron
patent: 3651587 (1972-03-01), Plasser et al.
patent: 3822751 (1974-07-01), Waterman
patent: 3877160 (1975-04-01), Plasser et al.
patent: 4099578 (1978-07-01), Stevens
patent: 4222442 (1980-09-01), Westendorf

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