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:
Sep. 05, 2023
Filed:
Jul. 30, 2021
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 49/00 (2006.01);
U.S. Cl.
CPC ...
F16H 49/001 (2013.01);
Abstract
A bending meshing type gear device includes a wave generator, an external gear that is bent and deformed by the wave generator, an internal gear that meshes with the external gear, and a wave generator bearing disposed between the wave generator and the external gear, in which an inner ring rolling surface on which a rolling element of the wave generator bearing rolls includes a hardened layer, and the hardened layer has a characteristic that a surface hardness after operating for a predetermined time is increased compared to a surface hardness before operation.