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:
Jan. 11, 2022
Filed:
Jul. 17, 2019
Applicant:
Caterpillar Inc., Deerfield, IL (US);
Inventors:
Joe A. Rapp, Vail, AZ (US);
Cheng-Kong C. Wu, Franklin, WI (US);
Vladimir A. Korchagin, Tucson, AZ (US);
Aruna Kinjarapu, Oro Valley, AZ (US);
Robin Varghese, Ernakulam, IN;
Assignee:
Caterpillar Global Mining LLC, Tucson, AZ (US);
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/12 (2006.01); F16C 11/04 (2006.01); E02F 3/30 (2006.01);
U.S. Cl.
CPC ...
E02F 9/121 (2013.01); F16C 11/04 (2013.01); E02F 3/308 (2013.01);
Abstract
A center pintle hub to be affixed to a base of a machine. The center pintle hub includes a base portion and a support portion. The base portion is formed to be affixed to the base. The support portion extends from the base portion and has a frusto-conical shape that can receive a center pintle shaft. The center pintle shaft can support a frame of the machine and provide rotation of the frame with respect to the base.