Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1989-12-07
1990-12-04
Burr, Edgar S.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37DIG3, 172438, E02F 376
Patent
active
049743503
ABSTRACT:
A dozer blade/scoop unit comprising a dozer blade, a mounting mechanism on the blade adapted to affix the same to the elevator arms of a dozer, a scoop having a floor and side walls, cooperating hinge mechanisms on the blade and on the scoop pivotally connecting the same, and a lever mechanism on the scoop adapted for connection to a pivot power mechanism whereby operation of the power mechanism will pivot the scoop on the blade to selectively position the floor of the scoop with respect to the blade.
REFERENCES:
patent: 4372063 (1983-02-01), Work
patent: 4407080 (1983-10-01), Mann
patent: 4566844 (1986-01-01), Campin
patent: 4807689 (1974-04-01), Shovick
Burr Edgar S.
Cohen Moshe I.
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