Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1992-12-04
1993-08-17
Howell, Daniel W.
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
407 42, 407 62, B23C 522
Patent
active
052362884
ABSTRACT:
Round indexable cutting inserts are locked in fixed angular positions in the pockets of a milling cutter by conically tipped screws which seat in recesses formed in the back faces of the inserts. By turning the screws, their tips may be retracted to inactive positions to enable conventional polygonal inserts to be used in the pockets.
REFERENCES:
patent: 1460030 (1923-06-01), Mattson
patent: 3597104 (1971-08-01), Salcumbe
patent: 3643310 (1972-02-01), Kilbourne et al.
patent: 3759625 (1973-09-01), Iversen
patent: 3816893 (1974-06-01), Farrow
patent: 3831237 (1974-08-01), Sunsalus
patent: 4057884 (1977-11-01), Suzuki
patent: 4220428 (1980-09-01), Suzuki
patent: 4382477 (1983-05-01), Barr
patent: 4566828 (1986-01-01), Reinsauer
patent: 5145294 (1992-09-01), Flueckiger
Howell Daniel W.
National Carbide Outlet, Inc.
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