US Patent Issued to Illinois Tool Works on June 3 for "Door lock and control circuit for the door lock" (Chinese Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,172, issued on June 3, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Door lock and control circuit for the door lock" was invented by Yang Wang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a door lock and a control circuit thereof. The door lock includes a switch means, a switch driving means capable of opening the switch means, and a driving slider. The driving slider is capable of driving the switch driving means. The driving slider is capable of being driven by a door hook. The switch driving means (that is, a swing lever) and a lock pin are capable of jointly controlling opening ...