| 摘要 |
<p>A security system for preventing undesirable opening of a window (2) or a door or the like element being movably mounted in a frame (1). The system comprises two strips (4,6) whose cross-sectional configurations are designed such that the strips form at least partially interlocking sections. The first strip (4) is secured with screws to the frame (1) in which the element is mounted, and the second strip (6) is secured to the element (2). The part of each of the strips in which holes for the screws are provided is free from other parts of the strips on both sides, in such a manner that the holes are freely accessible for fitting the screws. In the closed condition of the element the part of each of the strips in which the holes are provided is furthermore covered by parts of the other strip, of the element or of the frame. <IMAGE></p> |
