An improved pivot window with at least one auxiliary opening device and check means

摘要

The sash (2) of the window is connected with the frame (1) by means of a hinge device including a set of pivot hinges (12) defining a hinge axis of the window. The hinges are mounted in such a position that the hinge axis is situated between a centre line of the window and the top or bottom of the window. The window is provided with a least one auxiliary opening device comprising at least one pressure medium operated cylinder (124) with an operating rod (123). At least one hinge comprises check means restricting the movement of the window.