| 摘要 |
The invention concerns a device with a shutter co-operating with driving means for moving the shutter (1) between an opening position and a closing position, said shutter (1) being guided by a guide path (4, 5) and being designed for closing an aperture (6) or any other opening, said device comprising a drum (8) about which the shutter is wound in the latter's opening position forming a roll (31) consisting of coils formed by several layers of the shutter (1), and from which the shutter (1) can be unwound to its closing position, wherein confinement means are provided for preventing the coils from forming creases when the shutter is being moved (1) towards its closing position and/or from sliding relative to one another. |
