Drill for use in a boring machine

Details Drill for use in a boring machine Drill for use in a boring machine

1975-03-10

1977-02-08

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

408181, 408183, 408185, 408197, B23B 5100

Patent

active

040069958

ABSTRACT:
A drill for use in boring machines has a tool holder with two cutter bars having cutters projecting radially therefrom. The cutter bars are movably mounted in a radial direction in a recess passing through the tool holder. The tool holder includes a base part and walls projecting therefrom forming the recess therebetween. The cutter bars are arranged in this recess in end-to-end relation and are of a width substantially equal to the width of the recess. The base is provided with two slots therein communicating with the recess, the slots being offset with respect to each other and each extending from the outside of the base in a direction substantially parallel to the length of the recess up approximately to the central axis. Bolts engaged in the parts on opposite sides of the slots can be tightened to deform the walls of the recess so as to clamp the cutter bars therebetween.

REFERENCES:
patent: 871031 (1907-11-01), Chase, Jr.
patent: 1994791 (1935-03-01), Sanderson
patent: 2367560 (1945-01-01), Boland
patent: 3187408 (1965-06-01), Titterud
patent: 3767317 (1973-10-01), Ortlieb

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