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:
Feb. 23, 2021

Filed:

Feb. 19, 2019
Applicant:

Caterpillar Inc., Deerfield, IL (US);

Inventors:

Riley A. Albers, Sugar Grove, IL (US);

Steven D. Springer, Naperville, IL (US);

Rowan T. Franks, Penguin, AU;

David R. Evans, Oswego, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/627 (2006.01); E02F 3/38 (2006.01); E02F 3/36 (2006.01);
U.S. Cl.
CPC ...
E02F 3/627 (2013.01); E02F 3/3604 (2013.01); E02F 3/382 (2013.01);
Abstract

A lift arm for a loader can comprise a pivot end section extending along a first axis and including a first pin hole defining an origin at the intersection of x- and y-axes, a bucket end section extending along a second axis and including a second pin hole located a first distance away from the origin on the y-axis, and a hump section connecting the pivot and bucket end sections comprising a lifting cylinder coupler section including a third pin hole located a second distance away from the y-axis and a torque tube coupling section.


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