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.
Patent No.:
Date of Patent:
Aug. 23, 2016
Filed:
May. 02, 2014
Applicants:
Paul B. Aspengren, North Aurora, IL (US);
Steve R. White, Maple Park, IL (US);
Inventors:
Paul B. Aspengren, North Aurora, IL (US);
Steve R. White, Maple Park, IL (US);
Assignee:
MINER ENTERPRISES, INC., Geneva, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61F 5/14 (2006.01);
U.S. Cl.
CPC ...
B61F 5/14 (2013.01); B61F 5/142 (2013.01);
Abstract
A railroad car constant contact side bearing assembly plastic cap having a longitudinal axis and including a generally flat top surface with wall structure formed integral with and depending from the generally flat top surface, and a metallic insert maintained in operable association with the generally flat surface on the cap to slidably contact with an underside of a railcar whereby permitting the cap to establish a coefficient of friction ranging between about 0.4 and about 0.9 with the railcar.