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. 24, 2026
Filed:
Mar. 19, 2021
Shanghai Fourier Intelligence Co., Ltd, Shanghai, CN;
Jun Wang, Huai'an, CN;
Xingguang Zhang, Wuhu, CN;
Danping Xiao, Nankang, CN;
Kai Dong, Luan, CN;
Jie Gu, Shanghai, CN;
SHANGHAI FOURIER INTELLIGENCE CO., LTD, Shanghai, CN;
Abstract
A knee joint mechanism includes a thigh support assembly, a connecting base, a shank support assembly and a locking mechanism. The thigh support assembly is fixed at a thigh of an exoskeleton robot, a first angle sensor is disposed on a hip, and power is provided from the hip. The connecting base is mounted with a second angle sensor. The locking mechanism includes a motor, a worm gear assembly, a locking member, an unlocking member, and a first limiting member. The unlocking member and the first limiting member firmly fix the locking member to maintain the thigh support assembly, the connecting base and the shank support assembly at an ergonomic angle. The motor drives the unlocking member to rotate through the worm gear assembly to realize unlocking. The second angle sensor controls the unlocking member to lock the locking block.