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:
Jun. 21, 2022
Filed:
Jan. 17, 2018
Soochow University, Suzhou, CN;
Shaolong Kuang, Suzhou, CN;
Jinzhong Li, Suzhou, CN;
Li Zhang, Suzhou, CN;
Andi Lin, Suzhou, CN;
Liansen Sha, Suzhou, CN;
Shumei Yu, Suzhou, CN;
Fengfeng Zhang, Suzhou, CN;
Lining Sun, Suzhou, CN;
SOOCHOW UNIVERSITY, Suzhou, CN;
Abstract
A joint locking mechanism of a passive robotic arm includes: an output assembly, including a joint output shaft, and a friction disk fixed to the joint output shaft; a braking assembly, including a threaded shaft arranged coaxially with the joint output shaft, a threaded sleeve threaded to the threaded shaft, a rotary disk connected fixedly to the threaded shaft, an end cap rotatable relative to the rotary disk, and a scroll spring generating a rotational force on the threaded shaft. The scroll spring has one end connected fixedly to the end cap and the other end connected to the rotary disk or the threaded shaft. The threaded sleeve is abutted tightly against the friction disk.