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:
Sep. 15, 2020
Filed:
Apr. 23, 2018
Applicant:
Caterpillar Inc., Deerfield, IL (US);
Inventors:
Benjamin J. Kovalick, Decatur, IL (US);
David L. Cox, Monticello, IL (US);
Bruce R. Vahling, Urbana, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/76 (2006.01); E02F 3/815 (2006.01); E02F 3/84 (2006.01); A01B 63/00 (2006.01);
U.S. Cl.
CPC ...
E02F 3/8155 (2013.01); A01B 63/00 (2013.01); E02F 3/764 (2013.01); E02F 3/7645 (2013.01); E02F 3/844 (2013.01);
Abstract
A motor grader including a frame and a scarifier system coupled to the frame. The scarifier system includes a first pin member and second pin member both coupled to the frame and interconnected to one another. The scarifier system also includes a first and second arcuate drawbar arms in spaced relation and coupled to the first pin member and a carriage. An actuator is coupled to the first arcuate drawbar arm and the second pin member to rotate the carriage about a pivot axis of the first pin member.