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:
Feb. 07, 2023
Filed:
Mar. 10, 2020
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Douglas Trent Weaver, Brimfield, IL (US);
Mark D. Veliz, Metamora, IL (US);
Roger L. Recker, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 55/21 (2006.01); B21K 23/02 (2006.01); B62D 55/32 (2006.01);
U.S. Cl.
CPC ...
B62D 55/21 (2013.01); B21K 23/02 (2013.01); B62D 55/32 (2013.01);
Abstract
A bushing for a track assembly includes a tubular bushing substrate having a longitudinal length and an outer surface. The outer surface includes at least one flat portion. The bushing also includes at least one white iron member. The at least one white iron member includes a flat inner surface, and the flat inner surface of the at least one white iron member is fixed to the flat portion of the outer surface of the tubular bushing substrate.