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:
Dec. 29, 2020

Filed:

Mar. 27, 2019
Applicant:

Caterpillar Paving Products Inc., Brooklyn Park, MN (US);

Inventors:

Jason W. Muir, Andover, MN (US);

Nathaniel S. Doy, Maple Grove, MN (US);

Lee M. Hogan, Champlin, MN (US);

Matthew-David S. Frantz, Eden Prairie, MN (US);

Brian J. Schlenker, Shoreview, MN (US);

Derek P. Nieuwsma, Loretto, MN (US);

Assignee:

Caterpillar Paving Products Inc., Brooklyn Park, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 23/088 (2006.01); E01C 23/12 (2006.01); E01C 23/06 (2006.01);
U.S. Cl.
CPC ...
E01C 23/088 (2013.01); E01C 23/127 (2013.01); E01C 23/065 (2013.01);
Abstract

An implement with a ground-engaging tool may include a frame supported above a surface of a ground by a ground-engaging portion and a suspension and a tool supported by and adjustable relative to the frame and configured for working the ground. The implement may also include a plurality of ground sensors configured for capturing distance measurements to determine the position of the frame relative to the surface and a control and monitor system configured for establishing a nominal scratch position of the tool relative to the surface based on the distance measurements. A method of controlling a rotor tool depth of a milling machine and a method of operating a milling machine are also described.


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