ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,328, issued on Dec. 30, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Device and method for detecting elevator rope elongation and elevator" was invented by Wei Wang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device and a method for detecting elevator rope elongation, and an elevator. An elevator rope is connected to a rope head device and an operating device in an elevator, and the device for detecting elevator rope elongation includes: one and more brackets connected to an elastic reset member in the rope head device, a coupling member connected to at least one of the brackets and configured to be driven into a trigger po...