Railways – Track layers
Patent
1976-11-03
1978-08-22
Reese, Randolph A.
Railways
Track layers
37104, 171 16, E01B 2706
Patent
active
041080769
ABSTRACT:
A ballast conditioning machine which removes ballast from railroad tracks by means of a digging chain conveyor driven transversely through the ballast below the normal rail level travels on the rails on wheels and alternatively travels on caterpillar tracks over track sections from which switches or crossings were removed to give the conveyor full access to the ballast.
REFERENCES:
patent: 1471760 (1923-10-01), Ursino
patent: 2599490 (1952-06-01), Seminario
patent: 3699894 (1972-10-01), Plasser et al.
patent: 4010691 (1977-03-01), Theurer et al.
Berman Hans
Reese Randolph A.
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