Protection device for opening in partition of building, has adjustment unit for adjusting position of blocking element moving in translation with respect to frame, where element includes fingers supported under upper edge of opening

摘要

The device has a frame formed by uprights (3) to which an obstruction unit formed by bar (5) for obstructing an opening (2) is fixed. The frame is positioned on the level of or below a lower edge (17) of the opening. The frame is dimensioned so as to be extended above an upper edge (6) of the opening. An adjustment unit formed by threaded rod (7), toothed pinion, handle (9) and tapered pinion adjusts a position of a blocking element that moves in translation with respect to the frame. The blocking element includes fingers (11) supported under an upper edge of the opening.