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. 16, 2025
Filed:
Mar. 11, 2021
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Kazutaka Nakayama, Yamanashi-ken, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/16 (2006.01); B25J 9/06 (2006.01); B25J 13/08 (2006.01); B25J 17/00 (2006.01); H02K 11/24 (2016.01);
U.S. Cl.
CPC ...
B25J 13/085 (2013.01); B25J 9/06 (2013.01); B25J 17/00 (2013.01); H02K 11/24 (2016.01);
Abstract
A rotary shaft structure includes an actuator having an output shaft for rotationally driving a driven body, a force sensor which is arranged between the output shaft and the driven body and which detects a force exerted between the output shaft and the driven body, and a flexible deformation body which is in contact with the output shaft and the driven body, wherein the entirety of the force sensor is sealed by the output shaft, the driven body, and the flexible deformation body.