| 摘要 |
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.
|
