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:
Dec. 31, 2019
Filed:
Feb. 10, 2017
Applicant:
Ntn Corporation, Osaka-shi, JP;
Inventors:
Yoshinori Ikeda, Iwata, JP;
Hayato Kawaguchi, Iwata, JP;
Assignee:
NTN Corporation, Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 25/22 (2006.01); F16H 55/17 (2006.01); F16H 25/20 (2006.01); F16H 55/06 (2006.01); F16H 1/20 (2006.01);
U.S. Cl.
CPC ...
F16H 25/2204 (2013.01); F16H 25/2015 (2013.01); F16H 55/06 (2013.01); F16H 55/17 (2013.01); F16H 1/20 (2013.01); F16H 2025/204 (2013.01); F16H 2025/2081 (2013.01); F16H 2055/065 (2013.01);
Abstract
A sintered gear and an electrical actuator with the sintered gear where the sintered gear has spur teeth formed on a circumference of the gear. A central hole is on the center of the gear. A boss is formed around the central hole. A peripheral portion is formed radially inward of the teeth. A thickness of a region between the boss and the peripheral portion is thinner than that of the boss. The peripheral portion is formed on at least one side of the gear. The peripheral portion has an axially larger thickness than the region between the boss and peripheral portion.