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:
Jun. 11, 2024

Filed:

Mar. 11, 2021
Applicant:

Kennametal Inc., Latrobe, PA (US);

Inventor:

Brandon J. Kenno, Bedford, PA (US);

Assignee:

KENNAMETAL INC., Latrobe, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C 35/197 (2006.01); B28D 1/18 (2006.01); E21C 35/19 (2006.01);
U.S. Cl.
CPC ...
E21C 35/197 (2013.01); B28D 1/188 (2013.01); E21C 35/19 (2013.01);
Abstract

Cutting tools () and cutting tool assemblies () include a friction ring (). The friction ring () is provided in (disposed/secured within) a retaining groove () of a shank () of the cutting tool (). The friction ring () can be formed from a resilient material or materials (). The friction ring () can be secured in the retaining groove () by a retainer ring (). The cutting tools () can also include a shank () having an increased diameter to provide increased strength and allow for a heavier cutting portion () of the cutting tool (). The cutting tools () and cutting tool assemblies () can also include a washer () fitted about the shank () and positioned adjacent to a back side () of the cutting portion () of the cutting tool () for stabilizing the cutting tool body () in relation to a cutting tool holder ().


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