ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,826, issued on May 27, was assigned to Heshan Yuehan Umbrella Manufacturing Co. Ltd. (Heshan, China).

"Top supporting mechanism for a tent frame" was invented by MingJie Gong (Heshan, China) and ZhaoWen Shi (Heshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A top supporting mechanism for a tent frame includes: a mounting base, having a first channel and two mounting grooves within the mounting base, where a movable block movable up and down is arranged in the first channel; a supporting rod, having one end provided with a clamping groove which movably abuts against the movable block, and the other end connected to a top of a tent; two lim...