Railway freight car side bearing

Details Railway freight car side bearing Railway freight car side bearing

2006-07-19

2009-06-23

Morano, S. Joseph (Department: 3617)

Railway rolling stock

Trucks

Bogie

C105S199400

Reexamination Certificate

active

07549379

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. The cup shaped cap includes a centrally located cut out section with an elastomer pad fitted within the cut out section. The cup shaped cap cylindrical wall sections can be coated with a lubricant or hardening substance.

REFERENCES:
patent: 7121212 (2006-10-01), Schorr et al.
patent: 2004/0187726 (2004-09-01), Schorr et al.
patent: 2005/0087092 (2005-04-01), McKisic et al.
patent: 2006/0042498 (2006-03-01), Schorr et al.
patent: 2008/0035012 (2008-02-01), Monaco et al.
patent: 2008/0035013 (2008-02-01), Johnstone et al.
patent: 2008/0115690 (2008-05-01), Mitchell et al.
patent: 2008/0173211 (2008-07-01), Kennedy

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