Patent · US Active

Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert

US8366358B2 · kind B2 · utility

11Cited by

40References

8Claims

0Family size

Assignee

KENNAMETAL INC. · US

Inventors

Bernhard Borschert · Bamberg, DE
Dieter Muhlfriedel · Ebermannstadt, DE
Jürgen Schwägerl · Vohenstrauß, DE
Ruy Frota de Souza · Latrobe, US
Michael D. Shultz · Derry, US
Michael R. McCormick · Greensburg, US
Robert A. Erickson · Raleigh, US

Key dates

Filing date	Jul 30, 2010
Grant date	Feb 5, 2013
Priority date	—
Expiry date	Mar 9, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/9098
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a limb with a bearing surface that is inclined relative to the tool axis and that corresponds to a likewise inclined bearing surface on a wing of the cutting insert. The inclination of the bearing surfaces produces an axial force that retains the cutting insert on the tool shank.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.