ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,693, issued on Dec. 2.
"Violence protection structure of door handle" was invented by Te-Yu Chen (Pingtung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door handle violence protection structure includes a base, and a bottom plate having a rotating block, a door-handle rotating member, a positioning member, upper and lower spring plates, and a spring case arranged on the base. The bottom plate includes a trough portion. The bottom plate and the upper and lower spring plates are arranged in a trough portion. The door-handle rotating member is provided with an axle portion and the axle portion extends through the bottom plate and rotatably c...