Inventors:
Philip Groelz - Oregon City OR
International Classification:
B61F 516
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.