Excavating – Peat excavators
Patent
1980-01-11
1982-08-03
Crowder, Clifford D.
Excavating
Peat excavators
37 54, 37108R, 198513, 404101, E02F 306, E02F 500
Patent
active
043421628
ABSTRACT:
A device for planing a body of ground material comprising at least one tube rotatably mounted in a supporting construction capable of being moved in horizontal position and rotated parallel to itself over the surface of the body to be planed. At least one helical blade is wound about the tube and merges into a scoop at the discharge end as regards the direction of conveyance. The scoop has the same radial dimension as the helical blade, while an opening is provided in the wall portion of the tube partially surrounded by the scoop. The tube is hollow at least at the location of the scoop and the hollow part is connected to a conveyor for discharging therefrom the quantity of ground material removed from the top surface.
REFERENCES:
patent: 364158 (1887-05-01), Bowers
patent: 2065698 (1936-12-01), Heltzel
patent: 3015259 (1962-01-01), Apel et al.
patent: 3423859 (1969-01-01), Swisher, Jr. et al.
patent: 3962803 (1976-06-01), O'Brien
patent: 4037874 (1977-07-01), Willums
patent: 4040667 (1977-08-01), Tax et al.
Nijhof Herman H.
Spaans Cornelis
B.V. Machinefabriek en Constructiewerkplaats Gebr. Klinkenberg
Crowder Clifford D.
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