| 摘要 |
The invention is a roller shutter box (17), which is integrated with the upper frame of the door or window (12), overhanging beyond the outer side of the door or window (12). The roller shutter box (17) has a one-piece extruded structure. It is equipped with braces (3) between its border walls (1, 16, 23) and the inner border wall (2) of the roller shutter roll. Furthermore, it is also fastened to the wall structure (19). The chamber(s) (10) or the channel(s) (7) created for the support elements within the roller shutter box (17) contain support elements (6). The roller shutter box (17) is attached to the door or window (12) and to the wall structure (19) through the support elements (6) using fixing elements (9). |
