Machine tool

Details Machine tool Machine tool

1995-11-22

1997-07-22

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Tool having stepped cutting edges

408193, 408225, 408231, 408239R, 279145, B23B 3110

Patent

active

056497954

ABSTRACT:
A device for performing a plurality of operations on a workpiece has a combination tool holder and a rotatable spindle for retaining the tool holder. The combination tool holder has a central opening at its forward end for receiving a drill bit and a pair of forwardly extending bosses onto which a pair of cutting tools are received. A slot is provided in the tool holder dividing it into a pair of gripping elements receiving the drill bit, the gripping elements being forced together onto the drill bit when the tool holder is mounted in the spindle.

REFERENCES:
patent: 2891429 (1959-06-01), Fragge
patent: 3228267 (1966-01-01), Hebert
patent: 3587124 (1971-06-01), Cox et al.
patent: 3719367 (1973-03-01), Baturka

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