Patent ID: 7090442
Filing Date: 2006-08-15
Classification: B23C,Y10T

Abstract:
1. A routing tool for cutting material, the tool comprising: a substantially cylindrical shaft member having a shank portion and a cutting portion, the cutting portion including a plurality of cutting teeth disposed peripherally about a first helix and an intersecting second helix, wherein each cutting tooth defines a first cutting clearance on a first cutting edge and a first non-cutting clearance on a first non-cutting edge, wherein each cutting tooth further defines a second cutting clearance on a second cutting edge and a second non-cutting clearance on a second non-cutting edge, and wherein each cutting tooth includes a respective flat defined by each of the first cutting and non-cutting edges and the second cutting and non-cutting edges, each flat extending along each cutting tooth resulting in a circular land on an outside diameter of the cutting portion.