ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,719, issued on Nov. 18, was assigned to SHANGHAI HUAN HSIN ELECTRONICS Co. LTD (Shanghai).
"Travel cot" was invented by Xin Chen (Kunshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A travel cot has multiple lateral fences, multiple vertical posts, and a bottom frame which includes a central body, multiple bottom rods, and multiple ropes. The bottom rods are disposed between the central body and the vertical posts respectively. To expand the travel cot, the central body moves downward and thus the ropes get taut. The vertical posts move to expand the lateral fences as a result of collective work of the central body, the bottom rods, and th...