Patent ID: 6120071
Filing Date: 2000-09-19
Classification: E05B,E05C,Y10S,Y10T

Abstract:
An active mortise latch mechanism for mounting in the edge of a door comprising:a case having an edge surface for mounting approximately flush with the edge of the door;a latch bolt movable between an extended and a retracted position relative to the edge surface of the case;an activation bolt movable between an extended and a retracted position relative to the edge surface of the case;a retractor pivotally connected between the latch bolt and the activation bolt, the retractor being driven by the activation bolt to retract the latch bolt when the activation bolt is extended;a latch bolt spring connected to extend the latch bolt when the activation bolt is in the retracted position;an activation bolt spring connected to extend the activation bolt, the activation bolt spring having sufficient strength to extend the activation bolt and retract the latch bolt when the activation bolt is not obstructed.