Variable helix rotary cutting tool

Cutters – for shaping – Rotary cutting tool – Having peripherally spaced teeth

Reexamination Certificate

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Details

C407S059000, C407S060000, C407S061000

Reexamination Certificate

active

11483037

ABSTRACT:
A rotary cutting tool has a substantially cylindrical main body and four flutes. The main body has a shank end, a cutting end formed integrally opposite the shank end, and a longitudinal axis of rotation. The four flutes include a pair of flutes comprising a first flute and a second flute formed on opposite sides of the main body, and each of the pair of flutes are symmetrical and have the same helix angle. A third flute is formed on one side of the main body between the pair of flutes, and defines a helical cutting edge having a helix angle that is different than the helix angle of the pair of flutes. A fourth flute is formed on the other side of the main body, and defines a helical cutting edge having a helix angle that is different than the helix angle of the pair of flutes and different than the helix angle of the third flute.

REFERENCES:
patent: 1963611 (1934-06-01), Brumell et al.
patent: 2782490 (1957-02-01), Graves
patent: 3726351 (1973-04-01), Williams, Jr.
patent: 4149821 (1979-04-01), Faber
patent: 4212568 (1980-07-01), Minicozzi
patent: 4230429 (1980-10-01), Eckle
patent: 4963059 (1990-10-01), Hiyama
patent: 5049011 (1991-09-01), Bohnet et al.
patent: D328557 (1992-08-01), Nishimura
patent: 5222847 (1993-06-01), Hiyama et al.
patent: 5302059 (1994-04-01), Fabiano
patent: 5323823 (1994-06-01), Kopras
patent: 5779399 (1998-07-01), Kuberski
patent: 5947659 (1999-09-01), Mays
patent: D430584 (2000-09-01), Kouvelis
patent: D445436 (2001-07-01), George
patent: 6652203 (2003-11-01), Risen, Jr.
patent: 6698981 (2004-03-01), Beno
patent: 6991409 (2006-01-01), Noland
patent: 7153067 (2006-12-01), Greenwood et al.
patent: 7223053 (2007-05-01), Flynn
patent: 2002/0090273 (2002-07-01), Serwa
patent: 2003/0118411 (2003-06-01), Flynn et al.
patent: 2003/0185640 (2003-10-01), Ito
patent: 2004/0057803 (2004-03-01), Walrath
patent: 2004/0258490 (2004-12-01), Walrath

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