Forced entry resistance device for sash lock

Abstract

A sash lock (10) for a sash window assembly (12) is provided. The sash window assembly (12) includes an upper sash window (14) and a lower sash window (16), each of the sash windows (14), (16) mounted within opposed guide rails (18) on a master frame (20), wherein at least one of the sash windows (14), (16) is slidable within the frame (20) relative to the other sash window (14), (16). The sash lock (10) of the present invention includes a keeper (22) adapted for mounting on one of the sash windows (14), (16). The keeper (22) includes a keeper surface. The sash lock (10) also includes a locking assembly (24) adapted for mounting on the other of the sash windows (14), (16). The locking assembly (24) comprises a housing (30) having an aperture (33), an actuator arm (32) rotatable between an unlocked position and a locked position and a cam (34) having a cam surface (40) for engaging the keeper surface. A shaft (35) is also provided extending through the aperture (33) and coupling the actuator arm (32) to the cam (34) such that the actuator arm (32) and cam (34) are rotatably mounted to the housing (30). A tab (44) mounted to the housing is also provided wherein the tab (44) engages the actuator arm (32) to retain the actuator arm (32) in its locked position.

Dependencies are inferred from the claim text.