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:
Jun. 06, 2023
Filed:
Sep. 21, 2020
Applicant:
Caterpillar Global Mining Equipment Llc, Denison, TX (US);
Inventor:
Carl John Moberg, Dunlap, IL (US);
Assignee:
Caterpillar Global Mining Equipment LLC, Denison, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 44/02 (2006.01); B66D 1/48 (2006.01); E21B 15/00 (2006.01);
U.S. Cl.
CPC ...
E21B 44/02 (2013.01); B66D 1/485 (2013.01); E21B 15/00 (2013.01); B66D 2700/023 (2013.01);
Abstract
A method automatically for adjusting the hoist speed of a drill is disclosed. The method includes determining the mast angle of the drilling implement relative to a work surface, and changing the hoisting speed of the drill implement depending on the mast angle.