Railway rolling stock – Trucks – Bolster
Patent
1991-06-06
1991-10-22
Oberleitner, Robert J.
Railway rolling stock
Trucks
Bolster
105247, 105451, B61F 500
Patent
active
050585096
ABSTRACT:
A railway car suitable for rotary or bottom dump unloading. The body bolster is fitted with vents to permit a heating of the slope floor at the ends of the car to thaw the lading prior to unloading.
REFERENCES:
patent: 2020391 (1935-11-01), Wine
patent: 2092457 (1937-09-01), Kiesel
patent: 2766705 (1956-10-01), Flowes
patent: 3584564 (1971-06-01), Rollins
patent: 4348962 (1982-09-01), Smith
patent: 4696238 (1987-09-01), Billingsley
Bethlehem Steel Corp.
Iverson John I.
Morano S. Joseph
Oberleitner Robert J.
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