ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,061, issued on Jan. 13, was assigned to CMECH (GUANGZHOU) LTD. (Guangdong, China).
"Door lock with handle" was invented by Jia Sen Qiu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door lock for a handle, comprises a housing, a rotatable connector inside the housing, a first elastic element and a second elastic element both arranged inside the housing. The rotatable connector is interacted with the handle. The first elastic element is at least configured to provide a restoring force for the handle to return to its origin position when the handle is rotated upward to lock the door, and the second elastic element is configured to ...