| 摘要 |
PURPOSE: A sectional shutter and an apparatus having the same are provided to facilitate the maintenance by allowing the unit plates to be removed separately. CONSTITUTION: A sectional shutter apparatus comprises a sectional shutter(30) and a guide rail. The sectional shutter includes a first unit plate group(40), a second unit plate group(50), a fixing plate(60), and a fixing pin(70). The first and the second unit plate group are joined to form a flexible mosaic plate. The first unit plate group includes first unit plates(41) with first rings(45,47), and the second unit plate group includes second unit plates(51) with second rings(55,57). The fixing plate and the fixing pin secure the junction part of the first and the second unit plate group. The guide rail is installed on both sides of a door frame to guide vertical movement of the sectional shutter. |
