B - Operations – Transporting – 61 – G
Patent
B - Operations, Transporting
61
G
B61G 9/12 (2006.01) B61G 9/20 (2006.01) B61G 9/24 (2006.01)
Patent
CA 2260669
An improved ball and race connection assembly for use in connecting together adjacently disposed ends of railway vehicles is provided. This ball and race connection assembly is particularly useful as a connection member in slackless type drawbar assemblies. The improved ball and race connection assembly includes a race member which is formed from a polymeric and/or composite material, specifically a resin impregnated filament wound material which is wound on a polytetrafluoroethylene/polyester mesh sleeve and cured. The use of these materials enables the race member to have sufficient strength and to be self-lubricating, thus eliminating the costs of providing a lubricating material at the ball and race interface, as is necessary when using a metal race, as well as reducing the amount of friction at this interface resulting in lower L/V ratios. Also, the filament wound race member is light-weight, resulting in an overall weight reduction of the railway vehicle connection assembly, easier to manufacture than currently used metal race members, and has excellent corrosion resistance.
Daugherty David W. Jr.
Ring Michael E.
Macrae & Co.
Westinghouse Air Brake Company
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