ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,130, issued on May 27, was assigned to KEIPER SEATING MECHANISMS Co. LTD. (China).

"One-way damping structure and adjusting assembly comprising one-way damping structure" was invented by Qichao Li (Shanghai), Peijing Sun (Shanghai) and Jian Chang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a one-way damping structure, comprising a spring, a drive element and a friction force generation member, the spring and the drive element being connected such that the spring is driven by means of the drive element; the spring comprises a fixing portion, a connecting portion and an annular portion, the connecting portion being located be...