ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,956, issued on Nov. 18, was assigned to BEIJING ROSSUM ROBOT TECHNOLOGY Co. LTD (Beijing).
"Elastic traction system" was invented by Gang Zhu (Beijing), Ke Xu (Beijing), Xingzhong An (Beijing), Chuan Bai (Beijing), Kewen Mu (Beijing) and Wei Tian (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elastic traction system, including a driving mechanism to provide traction power, a connecting rod connected to an output shaft of the driving mechanism and rotating along with the output shaft, a traction wheel arranged at an end of the connecting rod for rotating along with the connecting rod, a traction wire connected to the traction wheel, and a...