Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool
Patent
1985-01-16
1986-01-21
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Vehicle mount with obstacle responsive trip, or yieldable tool
172821, 172816, 37237, E01H 506
Patent
active
045650187
ABSTRACT:
A plow frame for a front-mounted snowplow, for example, of the type in which the shovel blade can be set in crosswise, diagonal or V-configurations, which via a linkage system with a coupling frame is detachably fastened to a coupling frame on a vehicle. The plow frame has a front part to which the shovel blade is fastened and a rear part to which the linkage system is fastened, said two parts being mutually pivotable about an axis disposed in the direction of movement of the plow. The parts have facing slide plates joined together by a pivot bolt which constitutes said axis of rotation. Each of the slide plates has a pair of opposing projections at the upper and lower sections thereof, respectively, and between said upper and lower projections damper members are provided which preferably are rubber dampers in cylinders.
REFERENCES:
patent: 1977817 (1934-10-01), Bird
patent: 2468950 (1949-05-01), Wiedman
patent: 3822751 (1974-07-01), Waterman
patent: 4249323 (1981-02-01), Mathis
patent: 4254564 (1981-03-01), Rath
patent: 4281721 (1981-08-01), Beales
Eickholt E. H.
Stiansen & Oya A/S
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