Constant contact side bearing

Details Constant contact side bearing Constant contact side bearing

2006-07-19

2009-06-16

Smith, Jason C. (Department: 3617)

Railway rolling stock

Trucks

Bogie

C384S423000

Reexamination Certificate

active

07546807

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.

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: 2008/0035012 (2008-02-01), Monaco et al.
patent: 2008/0035013 (2008-02-01), Johnstone et al.

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