Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1975-09-25
1977-03-01
Burr, Edgar S.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37141R, 172719, 294 51, E02F 376, E02F 381
Patent
active
040095290
ABSTRACT:
A grading blade for attachment to a toothed shovel, such as a backhoe bucket, without modificiation of the bucket. The blade includes a pair of upstanding side portions adapted to direct spillover inwardly, toward the bucket. The blade is tapered at its sides to permit it to be used closely adjacent the foundation of a building.
REFERENCES:
patent: 596120 (1897-12-01), Oueson
patent: 707948 (1902-08-01), Spillane
patent: 2969966 (1961-01-01), Matheis
patent: 3043032 (1962-07-01), Discenza
patent: 3523380 (1970-08-01), Bolyard et al.
"This Tricky Rig Helps Win More Bids" Construction Methods & Equipment, Oct. 1960, p. 82 Middle Figure, G. H. Tague.
Bratlie Steven A.
Burr Edgar S.
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