ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,058, issued on May 27, was assigned to ORIGIN Innovation Development Co. Ltd (Shenzhen, China).
"Retractable slip ring transmission mechanism" was invented by Liqing Xie (Guangdong, China) and Biyuan Chen (Sichuan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retractable slip ring transmission mechanism is disclosed, including a housing, a connecting wire, a telescopic component, and a transmitting component. The connecting wire is wrapped around the telescopic component, and the telescopic component is rotatably provided in the housing. The telescopic component includes a first fixed part, an elastic part and a second fixed part. The seco...