Patent ID: 6568723
Filing Date: 2003-05-27
Classification: E05B,E05C,Y10S,Y10T

Abstract:
A sash lock for a sash window assembly, the sash window assembly including an upper sash window and a lower sash window, each of the sash windows mounted within opposed guide rails on a master frame, wherein at least one of the sash windows is slidable within the frame relative to the other sash window, the sash lock comprising:a keeper for mounting on a style of one of the sash windows, the keeper including a keeper surface; and a locking assembly for mounting on an adjacent style of the other of the sash windows, the locking assembly including: a housing having a hole; an actuator arm; a cam having a cam surface for engaging the keeper surface; and a shaft extending through the housing hole and operably coupling the actuator arm to the cam, wherein the keeper, the housing, the actuator arm and the shaft are formed of plastic and the cam is formed of metal; the shaft and the hole have corresponding circumferential surfaces; the shaft has a shaft projection extending from its circumferential surface; and the hole has spaced hole projections extending from its circumferential surface, and the shaft projection engages one or the other of the hole projections to define an unlocked or locked position, respectively.