US Patent Issued on July 21 for "Elevator safety braking device" (Illinois Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,594, issued on July 21.

"Elevator safety braking device" was invented by Kevin Cunningham (Elburn, Ill.) and Timothy Toan (Oak Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator safety device for an elevator car, which includes one or more hydraulically-powered braking assemblies mounted on the elevator car and designed to selectively brake on a guide rail of the elevator car upon detection of a predetermined safety condition, including an uncontrolled ascending or unintended movement of the elevator car, prior to actuation of any mechanical safety brake. The safety device may be used with traction-type or hydraulic-type elevators...