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.
Patent No.:
Date of Patent:
Apr. 17, 2007
Filed:
Nov. 17, 2005
Thomas J. Long, Ii, Greensburg, PA (US);
Ruy Frota DE Souza Filho, Latrobe, PA (US);
Jeffrey F. Kovac, Loyalhanna, PA (US);
Thomas J. Long, II, Greensburg, PA (US);
Ruy Frota de Souza Filho, Latrobe, PA (US);
Jeffrey F. Kovac, Loyalhanna, PA (US);
Kennametal Inc., Latrobe, PA (US);
Abstract
A cutting tool includes a tool body having a plurality of insert receiving pockets and at least one cutting insert mounted in each pocket. Each pocket includes a pocket base wall, a side wall and a stress relief groove. The tool body also includes a top surface including a first portion and a second portion, and a stress splitter that extends from the stress relief groove and intersects the first and second portions. The stress splitter may be in the form of a sharp peak or ridge, a radiused peak, rounded mass or protuberance, and the like. The stress splitter reduces a maximum amount of stress in an area of the stress relief groove during a machining operation.