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:
Aug. 30, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yuya Kataoka, Chino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/10 (2006.01); B25J 18/00 (2006.01); F16H 55/17 (2006.01); F16H 49/00 (2006.01);
U.S. Cl.
CPC ...
B25J 9/1025 (2013.01); B25J 18/002 (2013.01); F16H 55/17 (2013.01); F16H 2049/003 (2013.01);
Abstract
A gearing includes an internal gear, an external gear including external teeth placed around a rotation axis and meshing with the internal gear, a barrel part adjacent to the external teeth along the rotation axis, and an inner circumferential surface on an inner surface of the external teeth, and having flexibility and relatively rotating about the rotation axis to the internal gear, and a wave generator including a bearing having an outer ring in contact with the inner circumferential surface, an inner ring, and balls intervening between the outer ring and the inner ring, and moving a mesh position between the internal gear and the external gear about the rotation axis.