Railway rolling stock – Car framing and structure – Freight
Patent
1978-02-02
1980-07-15
Kelmachter, Barry L.
Railway rolling stock
Car framing and structure
Freight
B61D 700, B61D 1700
Patent
active
042122520
ABSTRACT:
A gondola-type railway car has a bottom which comprises at least one and preferably at least two transversely parabolic surfaces which extend below the side sills of the car, giving increased capacity, a lower center of gravity, and increased resistance to bottom damage.
REFERENCES:
patent: 719868 (1903-02-01), Randel
patent: 1627256 (1927-05-01), Smith
patent: 3240168 (1966-03-01), Charles et al.
patent: 3713400 (1973-01-01), Teoli
patent: 3918370 (1975-11-01), Campbell et al.
Hart James D.
Lightner Joseph C.
Greenville Steel Car Co.
Kelmachter Barry L.
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