Drill assembly

Details Drill assembly Drill assembly

1979-08-09

1981-02-03

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having stepped cutting edges

408186, B23B 5100

Patent

active

042485550

ABSTRACT:
A drill assembly has two inserts clamped in the respective radial recesses formed in the body. One insert has a straight edge and the other insert has a notched edge. The arrangement is such that the notched edge of the other insert is disposed slightly above the straight edge of one insert.

REFERENCES:
patent: 140905 (1873-07-01), Erdmann
patent: 654861 (1900-07-01), Tynan
patent: 1851613 (1932-03-01), Albee
patent: 1939490 (1933-12-01), Dixon
patent: 3304597 (1967-02-01), Kozran
patent: 3324909 (1967-06-01), McCranie
patent: 3945753 (1976-03-01), Byers et al.

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