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. 10, 2012
Filed:
Apr. 01, 2010
Shigetsugu Sakai, Yamatokoriyama, JP;
Masahiro Yamane, Yamatokoriyama, JP;
Toshio Ueda, Yamatokoriyama, JP;
Satoshi Nozaki, Yamatokoriyama, JP;
Shigetsugu Sakai, Yamatokoriyama, JP;
Masahiro Yamane, Yamatokoriyama, JP;
Toshio Ueda, Yamatokoriyama, JP;
Satoshi Nozaki, Yamatokoriyama, JP;
Mori Seiki Co., Ltd., Yamatokoriyama-Shi, Nara, JP;
Abstract
A workpiece centering apparatusis provided on a lathe having a spindle, an independent chuck, and upper and lower tool rests, and has sandwiching membersmounted to the tool rests, respectively, and capable of contacting the outer peripheral surface of a workpiece W, and a centering control sectionfor moving the tool restsand thereby moving the sandwiching membersto their respective centering positions which are the positions of the sandwiching memberswhen the center position of a portion to be machined of the workpiece W coincides with the axis of the spindlein a state where the portion to be machined of the workpiece W is being sandwiched and held by the sandwiching members, and then causing the independent chuckto grip the workpiece W.