Drilling tool

Details Drilling tool Drilling tool

1996-12-06

1999-11-02

Pitts, Andrea L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Including detailed shank

279 22, B23B 31117

Patent

active

059758155

ABSTRACT:
The drilling tool (1) has a drilling segment (4) and a shaft segment (3) with a hexagonal cross section for a torsionally rigid connection with a conventional driving machine. A combination drilling tool having different functional segment on opposite ends thereof for performing two different and sequential work operations.

REFERENCES:
patent: 22524 (1859-05-01), Honneknovel
patent: 253263 (1882-02-01), Bultmann
patent: 1070425 (1913-08-01), Darling, Jr.
patent: 3136347 (1964-06-01), Linquist
patent: 3841646 (1974-10-01), Bennett
patent: 4512693 (1985-04-01), Swanson
patent: 4573839 (1986-03-01), Finnegan
patent: 5013194 (1991-05-01), Wienhold
patent: 5062749 (1991-11-01), Sheets
patent: 5470180 (1995-11-01), Jore
patent: 5586857 (1996-12-01), Mattern, Jr. et al.
patent: 5651647 (1997-07-01), Ray
Tool and Manufacturing Engineers Handbook; pp. 9-14 -9-15, May 1984.

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