ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,696, issued on May 13, was assigned to CornellCookson LLC (Mountain Top, Pa.).
"Operator governor release for fire shutters" was invented by Brian Rishi Kachchakaduge Fernando (Avondale, Ariz.), John Elias Bullen (Phoenix) and David Dawdy (Jim Thorpe, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In example implementations, an adjustable speed operator governor release for a rolling fire shutter is provided. The adjustable speed operator governor release includes a shaft coupled to the rolling fire shutter, a gear on a first end of the shaft to engage a spring-loaded clutch during a fire, wherein the spring-loaded clutch is moved to disengage f...