ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,449, issued on Dec. 30, was assigned to YOKE INDUSTRIAL CORP. (Taichung, Taiwan).
"Rope grab" was invented by Wei-Chieh Hung (Taichung, Taiwan) and Ya-Chun Cheng (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rope grab includes a housing. A rope seat portion having a rope groove and an accommodating portion are disposed on the housing. A cam member, a locking member that could return after rotation, and a linkage member are pivotally connected to the accommodating portion. The cam member clamps a rope placed in the rope groove. A limiting member is disposed in the accommodating portion and could move back and forth towards...