ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,154, issued on Feb. 24, was assigned to Wonderland Switzerland AG (Steinhausen, Switzerland).
"Foldable locking mechanism" was invented by Wanquan Zhu (Steinhausen, Switzerland) and Jialiang Yuan (Steinhausen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A foldable locking mechanism (300,500) adapted for a frame body (400) includes a first mounting seat (1), a second mounting seat (2), a third mounting seat (4), a first locking component (3) and a driving component (1a,2a). The second mounting seat (2) is pivotally connected to the first mounting seat (1) and the third mounting seat (4). The first locking component (3) is at least part...