The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1994
Filed:
Mar. 15, 1993
James P Peris, Horseheads, NY (US);
Gregory Ayzenshtok, Horseheads, NY (US);
Terrence M Sheehan, Elmira, NY (US);
Hardinge Brothers, Inc., New York, NY (US);
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.