ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,781, issued on June 10, was assigned to SOUTHEAST UNIVERSITY (Jiangsu, China).

"Variable stiffness hand exoskeleton device based on antagonistic driving" was invented by Baoguo Xu (Jiangsu, China), Qianqian Lu (Jiangsu, China), Xin Wang (Jiangsu, China), Weifeng Peng (Jiangsu, China) and Aiguo Song (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable stiffness hand exoskeleton device based on antagonistic driving, includes a power mechanism, a support base, a spring-link composite transmission mechanism, and a distal finger sleeve connected to a power output end of the spring-link composite transmission mechanism for fingers. Th...