ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,145, issued on Dec. 2, was assigned to JINHUA JECH TOOLS Co. LTD (Jinhua, China).
"Buffer type speed difference falling protector" was invented by Ming Feng (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A buffer type speed difference falling protector includes a shell, a speed difference falling protector body and a speed difference falling protector body, wherein the shell is provided with an opening; the frame body is arranged in the shell; the winding device is arranged on the frame body, can wind the rope body when the winding device rotates in the forward direction, and releases the rope body when the winding device rotates in ...