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:
Feb. 13, 2024
Filed:
Feb. 25, 2021
Applicant:
Hitachi Astemo, Ltd., Ibaraki, JP;
Inventors:
Assignee:
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 3/02 (2006.01);
U.S. Cl.
CPC ...
F16C 3/026 (2013.01); F16C 2326/06 (2013.01); Y10S 138/11 (2013.01);
Abstract
A tube for a power transmission shaft is made of fiber-reinforced plastic, rotated to transmit power, and includes a main body in a shape of cylinder about an axis, wherein the main body has an outer diameter thereof gradually decreasing from a central portion thereof toward both ends thereof, and has a thickness thereof gradually decreasing from said both ends toward the central portion.