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:
Dec. 27, 2016
Filed:
Feb. 25, 2015
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Tomoya Itou, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 11/08 (2006.01); B23Q 1/25 (2006.01); B23Q 11/00 (2006.01); B23Q 16/10 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/0858 (2013.01); B23Q 1/25 (2013.01); B23Q 11/0042 (2013.01); B23Q 11/0883 (2013.01); B23Q 16/105 (2013.01);
Abstract
A rotation table device includes a casing, a rotation member, a braking member, a brake disk, and a target braking member, and a pressure adjustment unit that maintains the pressure inside the casing so as to be higher than the atmospheric pressure by air supplied from a purge air supply port, wherein the braking member includes a communication portion formed as a groove or a hole causing an inner space of a contact surface of the brake disk to communicate with an outer space thereof.