ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,704, issued on Sept. 1, was assigned to GUANGDONG FUWA HEAVY INDUSTRIES Co. LTD. (Jiangmen, China).
"Assembled sliding frame for trailer" was invented by Zhiqiang Wu (Jiangmen, China) and Heng Zhang (Jiangmen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembled sliding frame for trailer, including longitudinal beams each including a top wall, a side wall, and a bottom wall, with an opening formed between inner edges of the top wall and the bottom wall; transverse beams each including a top plate, two side plates, a bottom plate, and an end plate. The top plate is fixedly connected to the top wall by a first bolt extending traversely th...