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:
Jan. 01, 2019

Filed:

Jan. 13, 2016
Applicant:

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

Inventor:

Kevin Magee, Buffalo, MN (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/18 (2006.01); E21C 35/19 (2006.01); E21C 25/10 (2006.01); E01C 23/088 (2006.01);
U.S. Cl.
CPC ...
E21C 35/19 (2013.01); E21C 25/10 (2013.01); E01C 23/088 (2013.01);
Abstract

A tool holder is disclosed for use with a milling drum. The tool holder may have a cylindrical body defining a first end and a second end, the first end configured to be received within a tool mounting block of the milling drum, the second end configured to receive a cutting bit. A flange may be located between the first and second end with respect to an axial direction, and a first bore, with a first opening defined by the second end and extending towards the first end. A frustoconical portion may be located between the flange and the first end with respect to the axial direction and a cylindrical portion located between the flange and the first end. At least one radial opening may pass through at least the wall of the cylindrical portion to intersect or be open to the first bore.


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