US Patent Issued to Schlage Lock on Aug. 11 for "Torque-limiting spindle" (Colorado Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,155, issued on Aug. 11, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Torque-limiting spindle" was invented by Drake Lunday (Colorado Springs, Colo.) and Adam M. Litwinski (Centennial, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary torque-limiting spindle includes an input member, an output member, a clutch mechanism, and a bias mechanism. The input member extends along a longitudinal axis, is configured for connection with a handle, and includes a first engagement feature. The output member extends along the longitudinal axis, is configured for connection with a rotatable member of a lockset, and includes a second engagem...