ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,860, issued on Feb. 10, was assigned to Shanghai Wudi Home Furnishings Co Ltd (Shanghai).
"Armrest frame capable of being collapsed conveniently" was invented by Renjie Wang (Huzhou, China), Guohong Lyu (Huzhou, China) and Shichao Zhou (Huzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An armrest frame capable of being collapsed conveniently is provided. The armrest frame capable of being collapsed conveniently includes an armrest frame set, scissor sets, and a locking unit, where the scissor sets are provided between the armrest frames, the scissor sets drive the armrest frames to move close to or away from each other, the scissor sets e...