Patent ID: 6647896
Filing Date: 2003-11-18
Classification: B61D,E05D,E05Y,Y10T

Abstract:
In a railcar door including a substantially planar door, a pair of elongated support members rotatable mounted to said door, upper and lower crank assemblies secured to each support member, said lower crank assemblies each including a crank pin rotatable received by a roller hanger assembly, a greaseless method of rotatable mounting said crank pin to an associated roller hanger assembly comprising the steps of:substantially surrounding a shaft portion of said crank pin with a sleeve comprised of a self-lubricating material, and placing said sleeve in surrounding relation to a peripherally extending recess in said shaft portion at an area axially spaced from said end face; and, heat shrinking said sleeve in close spaced surrounding relation to said recess; positioning a member comprised of a self-lubricating material against the bottom wall of an elongated well in a body of said roller hanger assembly; and, positioning said crank pin shaft portion with said sleeve in close rotational cooperation with said well such that an outer end face of said shaft portion is in contacting relation with said member and at least an axial portion of said sleeve is in contacting relation with a side wall of said well.