Rotating drill head with a boring bar which is pivotable by a sl

Details Rotating drill head with a boring bar which is pivotable by a sl Rotating drill head with a boring bar which is pivotable by a sl

1993-05-14

1994-11-29

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

To move radially

408180, B23B 5100

Patent

active

053684206

ABSTRACT:
A cutting chisel holder which is controlled by pressure and constructed as a rotary drill head which can be precisely adjusted by hydraulic means has a cutting chisel, which can be clamped in, with a base and a driven member which is movable relative to the base, and has a pressure chamber arranged between the base and driven member, as well as a pressure medium feed. The driven member moves parallel to itself under the influence of the pressure medium and, in doing so, causes a movement of the cutting chisel on a curved path extending approximately vertically to the axis of rotation of the drill head by parts acting mechanically without friction.

REFERENCES:
patent: 3007356 (1961-11-01), Jones
patent: 3379077 (1968-04-01), Gustafson
patent: 5116171 (1992-05-01), Gerk et al.

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