E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/46
E06B 3/36 (2006.01) E05C 17/16 (2006.01) E06B 3/40 (2006.01)
Patent
CA 1072821
ABSTRACT OF THE DISCLOSURE There is disclosed, in combination, a window frame including inter- connected pairs of opposite, spaced parallel, frame members defining a sash receiving opening; a sash mounted in the opening for pivotal movement about a sash pivot axis extended transversely between opposite members of one of the pairs of the frame members between a closed, open and a reverse position relative to the frame, and a releasable latch assembly positioned apart from the axis between the axis and a frame member parallel thereto at an adjustably selected spacing therebetween. The latch assembly interconnects one of the frame members transverse to the pivot axis and the sash for limiting the amount of initial pivotal opening movement of the sash out of the closed position into a limited open position. It includes key releasable means oper- able for permitting further pivotal movement of the sash out of the limited open position through a freely pivotal open position toward the reverse position. The latch assembly includes a key operated latch movable between a latching and a releasing position for permitting the free opening movement of the sash, and means for retaining the key in the latch whenever the latch is intermediate the latching and releasing positions.
269688
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