Railways – Track layers – Track raising car
Patent
1977-12-08
1979-08-28
Reese, Randolph A.
Railways
Track layers
Track raising car
104 12, E01B 2717, E01B 2904
Patent
active
041656938
ABSTRACT:
A mobile track leveling, lining and tamping apparatus is constituted by a single machine assembly of a first vehicle mounted on two undercarriages and carrying therebetween a track correction unit and a tamping unit, a reference system for controlling the track correction, a first instrument for measuring the track position during correction and a second instrument for measuring the track position after correction, and a drive for the vehicle, and a second vehicle associated with and preceding the first vehicle in the working direction but being mechanically separated therefrom. A separate drive for the second vehicle enables the machine assembly to be operated while the first vehicle advances intermittently and the second vehicle advances non-stop. A ballast plow and an indicator for indicating and surveying the corrected track position are mounted on the second vehicle.
REFERENCES:
patent: RE27604 (1973-03-01), Stewart et al.
patent: 3389469 (1968-06-01), Plasser et al.
patent: 3469534 (1969-09-01), Plasser et al.
patent: 3547039 (1970-12-01), Plasser et al.
patent: 3706284 (1972-12-01), Plasser et al.
patent: 3744428 (1973-07-01), Plasser et al.
patent: 3877160 (1975-04-01), Plasser et al.
patent: 4031625 (1977-06-01), Theurer
patent: 4046078 (1977-09-01), Theurer
patent: 4046079 (1977-09-01), Theurer
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Kelman Kurt
Reese Randolph A.
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