Shaper router and method

Details Shaper router and method Shaper router and method

2006-08-15

2006-08-15

Ashley, Boyer D. (Department: 3722)

Cutters, for shaping

File or rasp

Tire rasp

C407S029130, C407S055000, C407S059000

Reexamination Certificate

active

07090442

ABSTRACT:
A routing tool for cutting material and an associated apparatus and method are provided. The tool includes a substantially cylindrical shaft member having a shank portion and a cutting portion. The cutting portion includes a plurality of cutting teeth disposed peripherally about a first helix and an intersecting second helix. Each cutting tooth defines a first cutting clearance on a first cutting edge and a first clearance on a first non-cutting edge. The cutting tooth defines a second cutting clearance on a second cutting edge and a second clearance on a second non-cutting edge. A flat extends on each cutting tooth resulting in a circular land on an outside diameter of the cutting portion.

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patent: 2005/0105973 (2005-05-01), MacArthur

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