Cylinder lock assembly and core casing set for a cylinder lock assembly

摘要

A cylinder lock assembly has an exterior housing, a core casing set and a core. The exterior housing has a through hole defined longitudinally through the exterior housing and a mounting hole defined in the exterior housing and communicating with the through hole. The core casing set is mounted slidably in the exterior housing and has a core casing and a retaining pin. The core casing has a central hole and a mounting aperture. The retaining pin is mounted slidably through the mounting aperture and has an inside end. The core is mounted in the central hole in the core casing and has keyhole having a stepped recess selectively engaging with the inside end of the retaining pin. A crash of the retaining pin and the stepped recess during the engagement notifies a user that the core and the core casing are released.