US Patent Issued to Otis Elevator on Dec. 16 for "Brake device for elevator system and a test method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,266, issued on Dec. 16, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Brake device for elevator system and a test method thereof" was invented by GuoSong Li (Tianjin, China), Hua Zhou (Tianjin, China) and Zixu Zhang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake device for an elevator system and a testing method thereof. The brake device includes: a fixed member; a moving member movable between a retracted position and a braking position so as to realize switching of the moving member between an attracting state and a braking state, respectively; an elastic member to provide elastic force tending to push the moving ...