| 摘要 |
<p>A device for operating vertical flexible doors comprising a roll-up tube (7) which is internally provided with means for the insertion of a gearmotor (11) and of a spring-loaded balancing element (12), the tube being provided with means for connection to a coupling element and with means for the quick connection of a sheet. The roll-up tube (7) also has first brackets with which a stroke limiter assembly and an assembly for loading the balancing element are associated; the first brackets are associable with lateral posts with which second slotted brackets for wall mounting are slidingly associated; the tube, the sheet and the posts are constituted by individual connectable elements. <IMAGE></p> |
