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. 25, 2025
Filed:
Dec. 07, 2021
Applicant:
Yamagata University, Yamagata, JP;
Inventors:
Riichiro Tadakuma, Yamagata, JP;
Kazuki Abe, Yamagata, JP;
Assignee:
YAMAGATA UNIVERSITY, Yamagata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 17/02 (2006.01); B25J 9/12 (2006.01); F16H 1/04 (2006.01); F16H 1/20 (2006.01); F16H 19/08 (2006.01); F16H 37/06 (2006.01); F16H 55/02 (2006.01);
U.S. Cl.
CPC ...
B25J 17/0283 (2013.01); B25J 9/126 (2013.01); F16H 1/04 (2013.01); F16H 1/203 (2013.01); F16H 19/08 (2013.01); F16H 37/065 (2013.01); F16H 55/02 (2013.01);
Abstract
A differential mechanism includes: a rotating frame rotatably provided in a main body frame; an inner worm gear formed in a cylindrical shape, covering the outer periphery of the rotating frame, and rotatably provided coaxially with the rotating frame, and having a spiral tooth formed on the cylindrical inner side; and a worm wheel rotatably provided on the rotating frame in a direction orthogonal to an axis of the rotating frame and meshing with the inner worm gear.