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:
Mar. 29, 2022
Filed:
Jan. 20, 2020
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Hideo Matsui, Yamanashi, JP;
Assignee:
Fanuc Corporation, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 17/02 (2006.01); B25J 19/00 (2006.01);
U.S. Cl.
CPC ...
B25J 17/02 (2013.01); B25J 19/0058 (2013.01); B25J 19/0062 (2013.01); B25J 19/0075 (2013.01);
Abstract
A wrist structure of a robot capable of protecting an oil seal of a wrist structure from a high-pressure jet for cleaning or from external foreign matter or the like. A wrist structure of a robot includes a wrist body, a holder attached to the wrist body, a wrist flange rotatably supported by the holder, an oil storage provided between the wrist body and the holder, an oil seal disposed between the holder and the wrist flange and configured to prevent oil from leaking from the oil storage, and a cover that is formed integrally with the holder and that covers the oil seal from the outside between the holder and the wrist flange.