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:
Apr. 13, 2021
Filed:
Oct. 29, 2019
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Masahiro Murota, Yamanashi-ken, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/10 (2006.01); B23Q 1/70 (2006.01); B23Q 3/08 (2006.01); B23Q 11/12 (2006.01);
U.S. Cl.
CPC ...
B23Q 5/10 (2013.01); B23Q 1/70 (2013.01); B23Q 3/08 (2013.01); B23Q 11/127 (2013.01);
Abstract
A chuck unit as a rotating member of a spindle device includes a base portion fixed to one end of the spindle shaft, an attaching portion detachably attached to a side of the base portion that is located on an opposite side of the base portion from the one end of the spindle shaft, and an accommodation space arranged on a communication passage so as to accommodate a filter.