Machine tool having a quick release draw tube and jaw chuck adapter
AssigneeHardinge Brothers, Inc.
InventorsJames P. Peris, Gregory Ayzenshtok, Terrence M. Sheehan
Life of this patent
Estimating the term…
Abstract
A machine tool having a quick release draw tube includes a headstock with a spindle. A draw tube is slidably supported within the spindle and includes inner and outer surfaces. The draw tube includes a series of circumferentially spaced holes on the outer surface thereof. A draw tube locking or unlocking device cooperates with the spindle and includes a ball detent that is selectively received in one of the recesses provided on the draw tube for locking the same within the spindle. The machine tool also includes an adapter plate for mounting over the extended nose of the spindle for substituting a collet by a jaw chuck.
Claims10
A machine tool device for converting a machine tool headstock to selectively mount a collet or jaw chuck thereon for holding a workpiece, the device comprising:
- a spindle constructed and arranged to be rotatably mounted in the headstock of a machine tool, said spindle including first and second ends and a diameter, said first end of said spindle including a flange portion and a concentric projection member extending from said flange portion, said projection member being constructed and arranged to releasably hold a collet;
- and
- an adaptor removably mounted to said flange and adapted to receive a jaw chuck for use instead of said collet.
Dependencies are inferred from the claim text.