Abstract: A window to be used as a skylight or a front window and comprising a frame (1) and two window wings (2, 3) situated above one another on the outside of said frame and being pivotably openable about mutually parallel, especially horizontal axes (17, 18), and which in their open positions can be situated closely below one another in the upper opening of the frame. The two window wings (2, 3) are mutually separated and separately movable and are positioned completely outside the frame (1) both in their closed as well as in their open positions.In this manner a window is obtained which is inexpensive to manufacture and which allows many adjustment possibilities including a completely open position with a clear view and a great emergency exit, and where the loads on each wing are relatively insignificant.

Abstract: In a window comprising a stationary frame and a movable sash, the sash is tiltable on an axis that during the opening motion of the sash is displaceable away from the frame substantially parallel to the plane thereof.