Center drilling machine for rod stock

Details Center drilling machine for rod stock Center drilling machine for rod stock

1992-11-03

1993-11-30

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Work-gripping clamp

408111, B23B 4728

Patent

active

052659879

ABSTRACT:
A chucking device for clamping a workpiece for center drilling has a plurality of jaws adjustably mounted for radial movement. A tool spindle is mounted in the center of the chucking device for drilling the workpiece.

REFERENCES:
patent: 730123 (1903-06-01), Hudson
patent: 3023016 (1962-02-01), Multer et al.
patent: 3219356 (1965-11-01), Wilterdink et al.
patent: 3366393 (1968-01-01), Bullard, III
patent: 3884592 (1975-05-01), Shulters

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