| 摘要 |
Window frame assembly (1) for fixtures (2) which can be opened in leaf fashion and tilting fashion and having a fixed frame (3) and a moveable leaf (4) which can be pivoted about at least two axes separate from each other and each having a corresponding maximum angle of rotation of given amplitude; the said assembly (1) comprising a locking and ventilation device (70) provided with a first locking member (71, 72) which can be mounted in a given manner on the frame (4) so that it can be activated so as to produce and stably maintain an aperture (76) having an amplitude less than the smaller of the maximum angles of rotation in co-operation with a locating member (72) (71) fixed with respect to the said frame (3), and so as to immobilize the frame (4) with respect to the frame (3), defining a ventilation position where the frame (4) is adjacent to the frame (3). |
