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:
Mar. 31, 2009
Filed:
Dec. 14, 2007
Applicants:
Naoya Tanaka, Aichi Pref., JP;
Toraharu Ryuta, Aichi Pref., JP;
Nobuhiro Kawai, Aichi Pref., JP;
Inventors:
Assignee:
Yamazaki Mazak Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 25/00 (2006.01); B23Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multitasking workpiece machining apparatus includes a pair of workpiece support devices supporting an elongated workpiece, first and second headstocks at positions outside of the workpiece support devices. The second headstock is capable of moving closer to and apart from the first headstock. Each workpiece support device respectively includes a travel drive device traveling between the first and second headstocks. A numerical control unit controls travel of each workpiece support device by synchronously controlling each travel drive device.