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:
Mar. 10, 2026
Filed:
May. 05, 2023
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, CN;
Yachao Zhang, Zhuhai, CN;
Jiangfeng Tang, Zhuhai, CN;
Jiajia Gu, Zhuhai, CN;
Zhongfu Cheng, Zhuhai, CN;
Yunfei Liu, Zhuhai, CN;
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI, Zhuhai, CN;
Abstract
Disclosed herein are a cam and a harmonic reducer. The cam includes a cam main body, where an outer contour line of the cam main body includes a plurality of engagement region contour curves and a plurality of non-engagement region contour curves; the engagement region contour curves and the non-engagement region contour curves are alternately connected to jointly form the outer contour line of the cam main body; the engagement region contour curves and the non-engagement region contour curves are tangent to each other at intersections; each engagement region contour curve includes a first curve and a second curve, and the first curve and the second curve are connected and are tangent to each other at a joint; a first segment of the first curve protrudes more outwards than a first segment of the second curve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile