ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,509, issued on July 1, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Elevator rail cleaning device" was invented by Demetrious Gooden (Florence, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail cleaning device, having: a gearbox having a first face and a second face; an input shaft extending into the gearbox via the first face of the gearbox and is configured to be coupled to a drill; output shafts extending from the gearbox via the second face and are operationally coupled to the input shaft via the gearbox; drill brushes connected to ones of the output shafts, including first and second flange brushes and a web brush between the...