Cutters – for shaping – Rotary cutting tool – Having peripherally spaced teeth
Patent
1986-10-03
1988-01-26
Godici, Nicholas P.
Cutters, for shaping
Rotary cutting tool
Having peripherally spaced teeth
407 54, 407116, B23C 510
Patent
active
047214210
ABSTRACT:
A rotary cutting tool consists of a cutting body portion having a longitudinal axis and a plurality of blades separated by flutes extending the length of the cutting body portion. Each of the blades have a leading face side, a trailing face side, and a relieved land surface bridging the leading face side and trailing face side. The relieved land surfaces are interrupted by a plurality of spaced V-shaped notches to form a plurality of cutting edges at the intersection of the leading face side and the relieved land surface. The plurality of spaced V-shaped notches further define a plurality of cutting teeth having a leading face edge, a trailing face edge, and a flat land therebetween. A notch relief groove generates a positive relief at the plurality of cutting edges, leading face edges, and trailing face edges such that the cutting performance of the rotary cutting tool is significantly enhanced.
REFERENCES:
patent: 1846508 (1932-02-01), Bridges
patent: 1881281 (1932-10-01), Lamond
patent: 2855657 (1958-10-01), Erhardt
patent: 3409965 (1968-11-01), Fisher
patent: 3736634 (1973-06-01), Sonnie
patent: 4083643 (1978-04-01), Parone
patent: 4212568 (1980-07-01), Minicozzi
patent: 4285618 (1981-08-01), Shanley
patent: 4462727 (1984-07-01), Marburger
patent: 4497600 (1985-02-01), Kishimoto
Brubaker Tool Corporation
Godici Nicholas P.
Kearns Jerry
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