ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,944, issued on Dec. 2, was assigned to Zhongshan Kanglaiya Trade Co. Ltd. (Zhongshan, China).
"Folding cart" was invented by Zelian Jiang (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A folding cart comprises a front frame, a rear frame, a side frame arranged between the front frame and the rear frame and used for expanding and folding, and a release mechanism used for restricting or releasing restriction on the folding of the side frame. A force direction applied to trigger the release mechanism is the same as that applied to fold the side frame, the side frame is driven to fold after the release mechanism releases the restriction...