Patent ID: 6921233
Filing Date: 2005-07-26
Classification: B23C,Y10T

Abstract:
1. Cutter insert for milling tools comprising: a four-cornered base body having a non-planar base surface, a non-planar top surface and four side surfaces, including first and second pairs of opposite side surfaces, a securing bore extending through the base surface and the top surface, the base body being configured as twisted around first and second axes of symmetry lying in a common plane which is intersected by a center axis of the securing bore at a right angle, the first axis of symmetry passing through the first pair of opposite sides which are configured as twisted relative to one another about the first axis of symmetry, the second axis of symmetry passing through the second pair of opposite sides which are configured as twisted relative to one another about the second axis, wherein the base surface and the top surface are of identical shape and are rotationally symmetrical to one another.