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:
May. 25, 2021
Filed:
Jun. 29, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Hidefumi Nakamura, Hachinohe, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/06 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); B22F 1/00 (2006.01); C22C 33/02 (2006.01); C22C 1/05 (2006.01); B22F 3/00 (2006.01); B22F 3/16 (2006.01); B22F 5/08 (2006.01); C22C 19/07 (2006.01); C22C 38/10 (2006.01); C22C 38/14 (2006.01);
U.S. Cl.
CPC ...
B22F 1/0003 (2013.01); B22F 3/001 (2013.01); B22F 3/162 (2013.01); B22F 3/164 (2013.01); B22F 5/08 (2013.01); C22C 1/053 (2013.01); C22C 1/055 (2013.01); C22C 33/0264 (2013.01); C22C 33/0285 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); B22F 3/168 (2013.01); B22F 2998/10 (2013.01); C22C 19/07 (2013.01); C22C 38/105 (2013.01); C22C 38/14 (2013.01); F16H 55/06 (2013.01);
Abstract
A gear includes a sintered body, in which Fe is contained as a principal component, Ni is contained in a proportion of 2 mass % or more and 20 mass % or less, Si is contained in a proportion of 0.3 mass % or more and 5.0 mass % or less, C is contained in a proportion of 0.005 mass % or more and 0.3 mass % or less, and one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, that is contained in a proportion of 0.01 mass % or more and 0.7 mass % or less.