US Patent Issued to Otis Elevator on Feb. 4 for "Brake disc releasing device, turning device, elevator rescue kit and method" (Chinese, American Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,994, issued on Feb. 4, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Brake disc releasing device, turning device, elevator rescue kit and method" was invented by FengKun Zhu (Tianjin, China), Hongliang Wu (Tianjin, China) and James L. Hubbard (Kensington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turning device includes a hand disc coupled to an input shaft; a reduction gear set accommodated in a housing and connected to the input shaft and an output shaft; and a shaft connector for connecting the output shaft and a motor spindle."

The patent was filed on April 7, 2023, under Application No. 18/297,278.

*For further informati...