The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 29, 2015

Filed:

Jul. 11, 2013
Applicant:

Roller Bearing Company of America, Inc., Oxford, CT (US);

Inventor:

James Voisine, Burlington, CT (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61F 99/00 (2006.01); B61F 5/52 (2006.01); F16C 23/04 (2006.01);
U.S. Cl.
CPC ...
B61F 99/00 (2013.01); B61F 5/52 (2013.01); F16C 23/045 (2013.01);
Abstract

A suspension system for a rail car has at least two undercarriage members and at least one equalizer bar removably and pivotally secured to and between the two undercarriage members. A spherical bearing has an outer member that surrounds an inner member. The outer member is removably secured to one of the undercarriage members. The inner member is removably secured to the equalizer bar. The outer member defines at least one outer member section having an arcuate interior surface and the inner member defines at least one inner member section having an arcuate exterior surface. A low friction liner is disposed on at least one of the arcuate interior surface or the arcuate exterior surface.


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