Non-metallic insert for rail car bolster wedge

Details Non-metallic insert for rail car bolster wedge Non-metallic insert for rail car bolster wedge

B - Operations, Transporting

61

F

B61F 5/12 (2006.01) B61F 5/04 (2006.01) B61F 5/24 (2006.01) B61F 5/50 (2006.01)

Patent

CA 2554935

Split wedges biased against sloped upper surfaces and the side walls of pockets in the ends of the bolster of a rail car truck are provided with non-metallic wear plates which interface with pocket side walls to reduce or eliminate pocket side wall wear. The wear plates are typically cast polymeric pads selected from the group comprising nylon, Delrin, UHMW and urethane, have a hardness in the range of between about 700° and 900° and a sliding coefficient of friction of about 0.10 to about 0.30. The pads are mounted in recesses within the sidewalls of the wedges and are held in place by means such as threaded fasteners for ease of replacement.

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