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:
Oct. 08, 2019
Filed:
Dec. 22, 2017
Applicant:
Jtekt Corporation, Osaka-shi, JP;
Inventors:
Assignee:
Jtekt Corporation, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/157 (2006.01); B23Q 11/08 (2006.01); B23F 1/06 (2006.01); B23Q 3/155 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/08 (2013.01); B23Q 3/15713 (2013.01); B23Q 3/15722 (2016.11); B23Q 3/15766 (2013.01); B23Q 3/15773 (2013.01); B23Q 11/0841 (2013.01); B23F 1/06 (2013.01); B23Q 2003/155407 (2016.11); B23Q 2003/155428 (2016.11); B23Q 2003/155446 (2016.11); G05B 2219/40062 (2013.01); G05B 2219/45242 (2013.01); Y10T 483/115 (2015.01);
Abstract
A machine tool includes a bed, a column, a rotary main spindle, a tool magazine, a tool changer, and a controller. The tool changer includes a body provided on the bed so as to be movable in a direction orthogonal to a movement direction of the column, a changing arm rotatably provided on the body, and a door provided on the body to open or close an opening formed in the body, and configured to partition an area on the column side from an area on the tool magazine side by closing the opening. The controller is configured to move the body in parallel with at least one of an operation of opening the door and an operation of closing the door.