US Patent Issued to Kaijing Yuan on Sept. 1 for "Simplified fold-in-half wagon" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,678, issued on Sept. 1, was assigned to Kaijing Yuan (Jinhua, China).

"Simplified fold-in-half wagon" was invented by Kaijing Yuan (Jinhua, China), Yiheng Yuan (Jinhua, China), Bangjie Yuan (Jinhua, China) and Wenkai Yang (Jinhua, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A simplified fold-in-half wagon includes four corner columns and side frames composed of two parallelogram mechanisms arranged between two hinge bases located on left and right sides of the wagon. Adjacent inner ends of the two parallelogram mechanisms are hingedly connected by an intermediate supporting base and outer ends of the two parallelogram mechanisms are hinged ...