Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Schneirs0
Bradford Johnstone0
Jay Monaco0
Jeffrey Ruback0
Date of Patent
June 16, 2009
0Patent Application Number
114882720
Date Filed
July 19, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A long travel constant contact side bearing for railway cars provides better handling characteristics, achieving improved tracking and curving through use of various combinations of features. The side bearing comprises a base and a generally cylindrical wall section extending upwardly from the base. A cup-shaped cap comprises a generally circular top section and a generally cylindrical wall section extending downwardly therefrom. The cap extends into the wall section of the base. At least one coil spring is provided within the base and extends to the underside of the cap.
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