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:
Nov. 22, 2011
Filed:
Sep. 10, 2009
Applicants:
Satoi Usuda, Inabe, JP;
Daisuke Ito, Kuwana, JP;
Satoshi Yoshinobu, Aichi-pref., JP;
Inventors:
Assignee:
Yamazaki Mazak Corporation, Aichi pref., JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an attachment to be attached to a spindle head of a vertical machining center for gripping an angle tool holder and performing five-face machining. An attachment unitfor five-face machining comprises a ring-shaped cylinder memberfixed to a lower portion of a spindle head, and a clamp unitdirectly connected to a piston disposed in the interior of a cylinder member. The clamp unitis equipped with four collet chucksfor gripping a pull stud boltdisposed on an armof an angle tool holderattached to a spindle and drives an angle tool