ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,398, issued on Oct. 7, was assigned to QIDONG VISION MOUNTS MANUFACTURING Co. LTD. (Jiangsu, China).

"Lift structure with adjustment assistance optimized based on ergonomics and installation method thereof" was invented by Luo Yuan (Jiangsu, China), Chaojie Huang (Jiangsu, China) and Hairong Lu (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lift structure with adjustment assistance optimized based on ergonomics includes a top, a base, an X-shaped cross arm and a gas spring, wherein the X-shaped cross arm includes a first directional arm and a second directional arm; wherein one end of the gas spring rotates around a second rotating ...