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:
Jun. 13, 2023
Filed:
May. 11, 2021
Applicant:
Columbia Insurance Company, Omaha, NE (US);
Inventors:
Roy Chapman, Adairsville, GA (US);
David Voyles, Cleveland, TN (US);
Assignee:
COLUMBIA INSURANCE COMPANY, Omaha, NE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/10 (2006.01); F16C 33/04 (2006.01); D05C 15/08 (2006.01);
U.S. Cl.
CPC ...
F16C 33/106 (2013.01); D05C 15/08 (2013.01); F16C 33/046 (2013.01);
Abstract
A shaft assembly has a shaft and a journal bearing that is fixedly coupled to the shaft so that rotation of the shaft causes corresponding rotation of the journal bearing. A bearing race has an inner surface that defines a cylindrical bore and a lubrication groove that extends radially outward from the cylindrical bore. The journal bearing is rotatably disposed within the cylindrical bore of the bearing race.