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:
Jun. 09, 2015

Filed:

Sep. 30, 2011
Applicants:

Peter H. Hodges, Peoria, IL (US);

Jeffrey E. Jensen, Dunlap, IL (US);

Inventors:

Peter H. Hodges, Peoria, IL (US);

Jeffrey E. Jensen, Dunlap, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/08 (2006.01); E02F 3/352 (2006.01); E02F 3/348 (2006.01); E02F 9/20 (2006.01);
U.S. Cl.
CPC ...
E02F 3/352 (2013.01); E02F 3/3486 (2013.01); E02F 9/205 (2013.01);
Abstract

A material handling machine includes a linkage assembly connected to a machine frame of the material handling machine. The linkage assembly configured to transport material from a front side of the machine frame to a rear side of the machine frame. The linkage assembly includes a first and a second guide rails associated with the machine frame. The linkage assembly further includes a first boom and a second boom having one end pivotally connected to the first guide rail and the second guide rails. A first and a second lift mechanism are pivotally connected to the first boom and second boom, respectively.


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