Excavating – Railway graders
Patent
1990-10-03
1991-10-01
Corbin, David H.
Excavating
Railway graders
37214, 104279, E02F 522, E01B 2702
Patent
active
050521330
ABSTRACT:
A mobile ballast regulating machine comprises a machine frame supported by undercarriages on the track for mobility therealong in an operating direction, a vertically adjustable ballast plow arrangement comprising a substantially vertical ballast damming wall extending transversely to the longitudinal extension of the machine frame to the opposite machine frame sides, a respective ballast guide plate associated with the damming wall at each machine frame side, each guide plate being adjustable to define a desired angle with the respective machine frame side, and a cover plate preceding the damming wall in the operating direction and connected to the damming wall, the cover plate extending substantially parallel to a plane defined by the track and immediately above the running surfaces of the rails, and the cover plate including opposite ends associated with the rails and extending in the direction of the longitudinal machine frame extension, each cover plate end projecting obliquely downwardly towards the base of the rail associated therewith along the field side thereof, and drives vertically adjustably connecting the ballast plow arrangement to the machine frame.
REFERENCES:
patent: 354675 (1886-12-01), Bennett
patent: 690788 (1902-01-01), Spurlin
patent: 3305952 (1967-02-01), Dressler
patent: 3491467 (1970-01-01), Finger
patent: 4235029 (1980-11-01), Ulm
patent: 4835887 (1989-06-01), Theurer
Corbin David H.
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Olsen Arlen L.
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