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:
Feb. 24, 1998

Filed:

Dec. 17, 1996
Applicant:
Inventor:

Cary D Ritchey, Curryville, PA (US);

Assignee:

Kennametal Inc., Latrobe, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299107 ;
Abstract

A rotatable cutting tool-holder assembly which has a cutting tool having a forward and a rearward end. The cutting tool contains a groove adjacent to the rearward end thereof. A holder contains a bore therein wherein the bore has a forward opening and a rearward opening. The holder has a rearward surface. The holder presents a rearwardly extending boss from the rearward surface thereof. The cutting tool is carried in the bore so that the groove of the cutting tool extends rearwardly past of the rearward opening of the bore. A retention clip is received within the groove of the cutting tool and the boss engages the retention clip so as to retain the cutting tool within the bore of the holder so that the cutting tool is free to rotate relative to the holder.


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