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. 05, 2023
Filed:
Jul. 30, 2021
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
David B. Parzynski, Peoria, IL (US);
Thomas M. Congdon, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/28 (2006.01); E02F 3/815 (2006.01); B28D 1/18 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2825 (2013.01); E02F 3/8152 (2013.01); E02F 9/2816 (2013.01); E02F 9/2833 (2013.01); B28D 1/188 (2013.01);
Abstract
A system for use in securing bits against rotation in a motor grader may include a bit, with the bit having a shank. The shank may include a locking portion. The system may include an adapter board including a hole configured to receive the shank of the bit. The system may also include an anti-rotation plate configured to engage the locking portion of the shank of the bit such that the anti-rotation plate constrains the bit against rotation with respect to the adapter board.