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:
Jan. 29, 2019
Filed:
Sep. 02, 2016
Applicant:
Dmg Mori Co., Ltd., Nara, JP;
Inventors:
Takashi Hoshi, Nara, JP;
Ryosuke Yasumura, Nara, JP;
Kousuke Yamamoto, Nara, JP;
Yukikazu Sakaida, Nara, JP;
Akifumi Yoshida, Nara, JP;
Assignee:
DMG MORI CO., LTD., Yamatokoriyama-Shi, Nara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 3/157 (2006.01); B23B 41/02 (2006.01); B23Q 11/08 (2006.01); B23Q 3/155 (2006.01);
U.S. Cl.
CPC ...
B23Q 3/15713 (2013.01); B23B 41/02 (2013.01); B23Q 3/15539 (2016.11); B23Q 3/15706 (2013.01); B23Q 3/15766 (2013.01); B23Q 11/08 (2013.01); B23Q 3/15506 (2013.01); B23Q 2003/155418 (2016.11); B23Q 2003/155428 (2016.11); B23Q 2003/155439 (2016.11); Y10T 483/115 (2015.01); Y10T 483/1767 (2015.01); Y10T 483/1795 (2015.01);
Abstract
A tool holding part holds two boring bars in a manner in which axes of the boring bars are parallel to a spindle axis. A tool change mechanism has a circular arc movement mechanism in which the boring bar moves from a tool holding position to a tool change position by at least a circular arc movement on a plane surface including an axis of the spindle in the tool change position and an axis of the boring bar positioned in the tool holding part.