Patent ID: 7524149
Filing Date: 2009-04-28
Classification: B23B,Y10T

Abstract:
1. Tool for countersinking, deburring or spindling out holes, said tool comprising a blade holder, driven rotationally about its longitudinal axis, in which, at an angle to its longitudinal axis, at least one recess is arranged, in which one or more cutting blades or blade adapters are held as exchangeably or displaceably load-transmitting members, wherein the recess is formed from two substantially parallel cylindrical sections having first and second radii, the centers of said cylindrical sections being offset from each other a distance less than the sum of said first and second radii to substantially cause said cylindrical sections to blend into one another, said cylindrical sections having respective perimeters, said one or more cutting blades or blade adapters conforming to at least a portion of both said perimeters of said cylindrical sections.