US Patent Issued to Otis Elevator on Dec. 23 for "Cleaning device for traction belt of elevator and elevator system" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,339, issued on Dec. 23, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Cleaning device for traction belt of elevator and elevator system" was invented by Wei Wang (Shanghai) and Ming Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator traction belt cleaning device and an elevator system. The elevator traction belt cleaning device includes: a set of slide rails installed to fixed positions in an elevator system; and a cleaning assembly having a cleaning opening for a traction belt to pass through, a sand removing member installed at the cleaning opening, and a set of slide blocks; in which the cleaning assembly is slid...