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:
Nov. 09, 2021
Filed:
Nov. 27, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Masaaki Sakata, Matsumoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 49/00 (2006.01); B21D 22/28 (2006.01); B21D 53/28 (2006.01); F16H 55/06 (2006.01);
U.S. Cl.
CPC ...
F16H 49/001 (2013.01); B21D 22/28 (2013.01); B21D 53/28 (2013.01); F16H 55/06 (2013.01); F16H 2049/003 (2013.01);
Abstract
A robot includes a flexible gear formed by a ferrous material containing at least one or more kinds of elements of Group 4 elements and Group 5 elements in a range from 0.01 percent by mass to 0.5 percent by mass. The ferrous material contains at least one of nickel-chromium-molybdenum steel, maraging steel, and precipitation-hardened stainless steel.