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:
Jul. 03, 2018

Filed:

Dec. 08, 2016
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Steven B. Ellis, Hewitt, TX (US);

Ryan A. Rochel, China Spring, TX (US);

Assignee:

Caterpillar Inc., Deerfield, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 9/00 (2006.01); E02F 3/96 (2006.01); E04G 23/08 (2006.01);
U.S. Cl.
CPC ...
E02F 3/965 (2013.01); E04G 23/082 (2013.01); E02D 9/00 (2013.01); E02F 3/963 (2013.01);
Abstract

A tool for demolishing a column, including a tool frame defining an interior work space. The interior work space is sized and shaped to at least partially surround a portion of the column. A support frame is disposed in the interior work space of the tool frame, the support frame including a tool support that is displaceable within the interior work space. A milling tool is rotatably disposed on the support frame and displaceable therewith to engage the column when the tool frame is positioned around the portion of the column. A hydraulic cylinder is attached between the tool frame and the support frame and configured to forcibly displace the support frame and milling tool within the interior work space. A motor is configured to rotate the milling tool.


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