Railroad car truck bolster structure

Details Railroad car truck bolster structure Railroad car truck bolster structure

B - Operations, Transporting

61

F

112/19

B61F 5/04 (2006.01) B61F 5/52 (2006.01)

Patent

CA 1156097

ABSTRACT OF THE DISCLOSURE A bolster for use in a railroad car truck has spring seat areas at the outer ends and a generally central section intermediate the spring seat areas and generally of substantially greater depth than the spring seat areas. A vertical reinforcing rib extends from the central section into the spring seat areas. The central section has slanted bottom walls which merge with the bottom walls of the spring seat areas. The spring seat areas and central section are subject to loading in opposite vertical directions thereby creating areas of localized bending stress at the junction of the spring seat bottom walls and the central section slanted bottom walls. The improvement of the present invention is specific to means for reducing such localized bending stress and includes vertical reinforcing rib means extending from the spring seat areas into the central section and being positioned on opposite sides of the vertical reinforcing rib. In addition, there is an opening in the vertical reinforcing rib in the area of said reinforcing rib means.

382441

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