Excavating – Railway graders
Patent
1979-02-05
1980-10-14
Eickholt, Eugene H.
Excavating
Railway graders
104279, 37 30, E02F 522
Patent
active
042273242
ABSTRACT:
A mobile ballast plow comprises a plow arrangement vertically adjustably mounted on a frame and including a V-shaped central plow consisting of two plow blades rigidly interconnected at an apex of the central plow, a side plow associated with each one of the track rails, each of the side plows having a single ballast guide blade adjustably between the track rails and having an effective operating length extending to the apex of the central plow, and a tunnel-shaped element extending over and covering each track rail.
REFERENCES:
patent: 2840930 (1958-07-01), Mundell et al.
patent: 3468042 (1969-09-01), Coy
patent: 3491467 (1970-01-01), Finger
patent: 3605297 (1971-09-01), Kershaw
patent: 3624936 (1971-12-01), Yard
patent: 3877160 (1975-04-01), Plasser et al.
patent: 4108076 (1978-08-01), Knape
Eickholt Eugene H.
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Kelman Kurt
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