Coupling mechanism for cutting tool

US9643262B2 · kind B2 · utility

Assignee

• KENNAMETAL INC. · US

Inventors

• Ruy Frota de Souza · Latrobe, US
• Leonid Boris Sharivker · Nahariah, IL
• Sergei Vladimir Boulakhov · Nahariah, IL
• Christoph Gey · Zirndorf, DE
• Yosi Harush · Kfar Sava, IL
• Alan J. Bookheimer · Greensburg, US
• Uzi Levy · Shlomi, IL
• Stephen M. George · Statesboro, US

Key dates

• Filing date: May 8, 2014
• Grant date: May 9, 2017
• Expiry date: Nov 23, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T408/9098
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A rotary cutting tool including a cutter member having an axial forward end and an axial rearward end. A cutting region is at the axial forward end of the cutter member, and a male threaded portion is adjacent the axial rearward end of the cutter member. A shank member has an axial forward end and a shank bore opening at the axial forward end. The shank bore has an axial shank bore length. The shank bore contains a female threaded portion and an axial rearward shank bore portion axially rearward of the female threaded portion. The axial rearward shank bore portion has a terminal end. When the male threaded portion of the cutter member fully engages the female threaded portion of the shank member, the axial rearward end of the cutter member being spaced a first distance axially forward of the terminal end of the axial rearward shank bore portion.