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. 29, 2008
Filed:
Feb. 28, 2006
Noriyasu Hayashi, Aichi pref., JP;
Masaki Hibino, Aichi pref., JP;
Norio Naganuma, Aichi pref., JP;
Kiyokazu Kainuma, Aichi pref., JP;
Noriyasu Hayashi, Aichi pref., JP;
Masaki Hibino, Aichi pref., JP;
Norio Naganuma, Aichi pref., JP;
Kiyokazu Kainuma, Aichi pref., JP;
Yamazaki Mazak Corporation, Aichi pref., JP;
Abstract
A working device of a noncircular workpiece, such as a piston of an internal combustion engine, is improved. A workpieceis held by a work spindle and rotated. A noncircular working devicehas a noncircular working unit baseand is provided with a servo motor. A noncircular working unitis positioned along a Y axis, and an arbitrary cutting toolis selected from a cutting tool group. A servo motorreciprocates the noncircular working uniton an Xaxis in synchronization with the rotation of the work spindle and performs noncircular working of the workpiece