Machine tool having a quick release draw tube and jaw chuck adap

Details Machine tool having a quick release draw tube and jaw chuck adap Machine tool having a quick release draw tube and jaw chuck adap

1993-03-15

1994-07-05

Bilinsky, Z. R.

Turning

Lathe

Headstock

82147, 279 412, 279143, B23B 3116, B23B 3120

Patent

active

053257499

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.

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