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. 10, 2013

Filed:

Jun. 30, 2010
Applicants:

Gregory Henry Dubay, Zimmerman, MN (US);

Kevin W. Ingall, Maple Grove, MN (US);

Randall Steven Kessler, Otsego, MN (US);

Inventors:

Gregory Henry Dubay, Zimmerman, MN (US);

Kevin W. Ingall, Maple Grove, MN (US);

Randall Steven Kessler, Otsego, MN (US);

Assignee:

Caterpillar Pavinq Products Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 35/18 (2006.01); E21C 35/19 (2006.01);
U.S. Cl.
CPC ...
Abstract

A base block for a cutting drum is disclosed. The base block may have a first end. The first end may have an opening configured to receive a tool. The first end may also have a flat surface surrounding the opening. The base block may have a second end configured to abut the cutting drum. The base block may further have an internal passageway commencing at the opening configured to receive the tool. The passageway may define a longitudinal axis that is offset by an acute angle from being perpendicular to the flat surface.


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