Cylindrical surface railcar center plate

Details Cylindrical surface railcar center plate Cylindrical surface railcar center plate

1984-03-28

1986-01-21

Casaregola, Louis J.

Railway rolling stock

Trucks

Bogie

308 2R, 384422, B61F 516

Patent

active

045651345

ABSTRACT:
A railway car center plate formed with a convex cylindrical lower surface which bears, in rocking fashion, upon the flat load supporting face of a standard truck bolster bowl. The arrangement may have one or more side bearings with elastomeric material or springs to enhance stability. In another form of the invention, the truck bowl is formed with an upwardly facing convex cylindrical bottom surface which mates with a standard flat bottomed center plate. Convex cylindrical mating surfaces on both the center plate and the truck bolster is a third form of the invention.

REFERENCES:
patent: 197940 (1877-12-01), Mason
patent: 974832 (1910-11-01), Schwartz
patent: 1737160 (1929-11-01), Johnston
patent: 1831416 (1931-11-01), Junkers
patent: 3667820 (1970-12-01), Sherrick
patent: 3709151 (1973-01-01), Cook et al.
patent: 3831530 (1974-08-01), Cope et al.
patent: 3847090 (1974-11-01), Love et al.
patent: 4206710 (1980-06-01), Spence

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