Boring tool for producing undercuts in holes

Details Boring tool for producing undercuts in holes Boring tool for producing undercuts in holes

1984-07-26

1986-06-10

Schran, Donald R.

Cutting by use of rotating axially moving tool

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

To move radially

408153, 408158, 408180, B27G 1502

Patent

active

045940339

ABSTRACT:
A boring tool for producing undercuts in preformed holes. The boring tool has a cutting element which is provided at one end of a driving shaft. In order to produce the undercut, the driving shaft can be deflected at right angles to the axis thereof via a deflection mechanism. The deflection mechanism is accommodated in the boring tool, and is provided with a longitudinally displaceable deflection rod for positively deflecting the driving shaft. In the deflected position, the driving shaft is driven by a rotary drive which is separate from the turning drive. As a result, the undercuts can be very precisely produced.

REFERENCES:
patent: 2236944 (1941-04-01), Gerardi
patent: 2541537 (1951-02-01), Newcomb
patent: 2628513 (1953-02-01), Packard
patent: 3261236 (1966-07-01), Flannery
patent: 3412733 (1968-11-01), Ross
patent: 4361957 (1982-12-01), Krotz et al.
patent: 4411324 (1983-10-01), Liebig

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