Railway rolling stock – Special car bodies – Freight
Patent
1982-05-13
1984-06-05
Reese, Randolph
Railway rolling stock
Special car bodies
Freight
114201R, B61D 3900
Patent
active
044521502
ABSTRACT:
A trough hatch cover system employing one or more cover units pivotally mounted on a hopper car by hinge straps. The one or more cover units are formed with a corrugated panel having an end extrusion mounted at each end. The end extrusion strengthens the panel structure and provides a channel through which water collected on the corrugated panel can be drained. Closure members are used to secure the cover units in place and when closed create sealed contact with the end extrusions, whether at the ends of the hatch cover system or at the juncture between adjacent panels.
REFERENCES:
patent: 2372369 (1945-03-01), Ditchfield
patent: 3307498 (1967-03-01), Stevens
patent: 3599576 (1971-08-01), Vickerman
patent: 3605639 (1971-09-01), Ingram
patent: 3664270 (1972-05-01), Stark et al.
Beehner Gregory A.
Gilhooly Edward D.
Reese Randolph
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