US Patent Issued to Shanghai Ming Wei Hardware on Jan. 13 for "Narrow-type door-lock driving device with electronically controlled switching status" (Chinese Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,081, issued on Jan. 13, was assigned to Shanghai Ming Wei Hardware Co. Ltd. (Shanghai).

"Narrow-type door-lock driving device with electronically controlled switching status" was invented by Jung-Chung Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A narrow-type door-lock driving device with electronically controlled switching status includes a base, a status switching mechanism, an electromagnetic traction mechanism, a handle and a lock core driving mechanism. The status switching mechanism is disposed at the base, including a lever and a stopper. The electromagnetic traction mechanism connects the lever, for dragging the lever to mo...