Retractable tool holder

Details Retractable tool holder Retractable tool holder

1975-10-06

1977-05-24

Hinson, Harrison L.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

408147, B23B 2900, B23B 5100

Patent

active

040247783

ABSTRACT:
A holder for a retractable cutting tool holder and which includes a housing having a bore within which is provided the retractable tool holder with its operative end extending therebeyond, a piston member in the bore operatively engaged with the retractable holder, adjustable means for setting the stroke of the piston and thereby the cutting depth of the work tool, and air pressure passageways in communication with opposite sides of said piston for selectively advancing and providing support for the work tool and subsequently simultaneously removing said support and retracting said tool without leaving tool witness marks on a work piece.

REFERENCES:
patent: 3254548 (1966-06-01), Gersch
patent: 3320831 (1967-05-01), Bullard
patent: 3422705 (1969-01-01), Nahodil et al.
patent: 3526159 (1970-09-01), Robinson et al.

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