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:
Oct. 24, 2023

Filed:

Jun. 22, 2021
Applicant:

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

Inventors:

Timothy L Wehrenberg, Maple Grove, MN (US);

Toby Frelich, Saint Michael, MN (US);

Brad W Green, Siler City, NC (US);

Ryan Thiesse, Otsego, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 19/42 (2006.01); E01C 19/48 (2006.01);
U.S. Cl.
CPC ...
E01C 19/42 (2013.01); E01C 19/4873 (2013.01); E01C 2301/16 (2013.01);
Abstract

A linkage system for a screed extension includes a mounting plate that includes a mounting plate finger; an upper rail; a lower rail; a height adjustment shaft; a set of slide blocks that are disposed in a channel between the upper rail and the lower rail; a set of linkage arms; an angle of attack adjustment structure that holds the mounting plate finger at an angle; and a set of angle of attack adjustment screws. The height adjustment shaft is configured to adjust a position of the set of slide blocks within the channel and thereby adjust a height of a lower frame of the screed extension. The set of angle of attack adjustment screws are configured adjust the angle of the mounting plate finger and thereby adjust an angle of attack of the lower frame of the screed extension.


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