Extensible safety latch means for pivotable windows

摘要

An extensible safety latch means comprising two telescoping bar members attached at their extremities to a fixed window frame and an inwardly pivotable window frame, the bars having a first key operated latch means for limiting movement of the pivotable window frame to a safe distance from the fixed window frame insufficient for passage of a child, and a second latch means for securing the movable window frame in an extended inward position as needed to clean the window.