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:
Sep. 01, 2026
Filed:
Feb. 06, 2023
Nippon Thompson Co., Ltd., Tokyo, JP;
Satoshi Sasaki, Mino, JP;
NIPPON THOMPSON CO., LTD., Tokyo, JP;
Abstract
A speed reducer includes: an input unit including an input shaft and first bearing including eccentric first inner ring rotating together with the input shaft; cycloid gear; multiple inner pins, inner pin holder holding end portions of the inner pins in the axial directions and surrounding the input unit outer peripheral surface; second bearing radially outward of the cycloid gear and including a second inner ring as an output shaft, second outer ring radially outward of the second inner ring, and rolling body between the second inner and rings; and a plurality of outer pins held on a radially inner surface of the second inner ring and meshing with external teeth of the cycloid gear. The first inner ring is separate from the input shaft. The input unit includes a movement restrictor restricting movement of the first inner ring relative to the input shaft in the circumferential directions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile