| 摘要 |
<p>The grate 1, 2 has perimeter profiles 3, 4, 5, the outer one 4 of which is secured by vertical hinges 7 to a first movable contour 8, via means of sliding 12, 13, 14, to a second fixed contour 9, so that said grate when closed can be retracted inside the window frame opening and can be extracted when open with its shutters, which are placed against the open shutters of the blinds or French window 11. Profiles 15, 16 support and guide a wire screen 19. Elements 23-30 for locking and tamper protection can be provided between movable contour 8 and grate 1, 2 and/or between the two movable 8 and fixed 9 contours. <IMAGE></p> |
