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. 15, 2022
Filed:
Mar. 25, 2021
Applicant:
Nabtesco Corporation, Tokyo, JP;
Inventor:
Kazuyoshi Makisumi, Tokyo, JP;
Assignee:
NABTESCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/021 (2012.01); F16H 55/10 (2006.01); B29C 45/14 (2006.01); F16H 1/32 (2006.01); F16H 57/032 (2012.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
F16H 57/021 (2013.01); B29C 45/14 (2013.01); F16H 1/32 (2013.01); F16H 55/10 (2013.01); F16H 57/032 (2013.01); B29L 2031/749 (2013.01);
Abstract
A speed reducer casing of the present invention has inner teeth on an inner periphery thereof. The speed reducer casing includes an inner tooth portion and a casing body portion, the inner tooth portion including the inner teeth, the casing body portion supporting the inner tooth portion. The inner tooth portion is formed of a material having a higher slidability than the casing body portion. The casing body portion is formed of a material having a higher hardness than the inner tooth portion.