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. 16, 2023
Filed:
Jun. 16, 2021
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Akira Yamamoto, Kanagawa, JP;
Mitsuhiro Tamura, Kanagawa, JP;
Kenji Shirouzu, Kanagawa, JP;
Masahiro Watanabe, Kanagawa, JP;
Toshiaki Matoba, Osaka, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 49/00 (2006.01); F16H 1/32 (2006.01); F16H 55/06 (2006.01);
U.S. Cl.
CPC ...
F16H 49/001 (2013.01); F16H 1/32 (2013.01); F16H 55/06 (2013.01); F16H 2049/003 (2013.01); F16H 2055/065 (2013.01);
Abstract
A gear device includes an external gear, and an internal gear that meshes with the external gear. The external gear is formed of metal. The internal gear is formed of a carbon fiber reinforced resin.