| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is related to the field of construction, namely to design of safety protective devices, and may be used for protection of openings in various buildings. Protective device for window openings in wall, comprising frame, vertical and horizontal rods connected to each other and to frame, support elements. It is equipped with retaining rods with washers and tommy bars and guide pins arranged in upper part. Device is equipped with loops arranged in lower part and including two half-loops and axes with washers. Support elements are arranged in the form of plates with threaded bushes, into which retaining rods are screwed. Retaining rods are arranged with conical thread at some ends. Other ends of rods are made with tommy bars and rest upon washers. Retaining rods go through holes in wall, their length exceeds thickness of wall. Support elements are connected as one piece with frame. Guide pins are driven through holes in support plates in wall. Loops are arranged as undetachable and are fixed with one semi-loop to frame, and with the second semi-loop are inbuilt in wall. Semi-loop are fixed by axes to washers with the possibility of downward frame rotation. ^ EFFECT: invention makes it possible to improve reliability of protective device. ^ 2 dwg |
