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. 15, 2019
Filed:
Oct. 31, 2016
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 16/10 (2006.01); B23Q 1/26 (2006.01); F16D 55/02 (2006.01); F16D 65/18 (2006.01); F16D 55/32 (2006.01); F16D 121/04 (2012.01); F16D 121/16 (2012.01); F16D 125/58 (2012.01); F16D 55/00 (2006.01);
U.S. Cl.
CPC ...
B23Q 16/105 (2013.01); F16D 55/02 (2013.01); F16D 55/32 (2013.01); F16D 65/18 (2013.01); F16D 2055/0058 (2013.01); F16D 2121/04 (2013.01); F16D 2121/16 (2013.01); F16D 2125/582 (2013.01);
Abstract
A clamping mechanism of rotation table device includes a shaft fixing a workpiece to an end portion thereof, a brake disk fixed to the shaft, and a clamping mechanism clamping or unclamping the brake disk by driving a piston. The clamping mechanism includes a plate spring fixed to a rear plate fixed to a casing and a piston and urging the piston in a clamping direction at all times by an elastic deformation restoring force and the plate spring is fixed to the rear plate or the piston through an annular plate.