| 摘要 |
The invention concerns a roll-up door (2) with ceiling retraction and vertical displacement pre-assembled to be installed comprising a first assembly (6, 7, 9, 11, 13) including lateral guide rails (9), a door leaf (6) including a series of thin light panels (7) comprising first and second sidings (16, 17), a shaft (13a) longitudinally arranged in the direction of one end of the lateral guide rails (9), one or two cable drums (13b), one or two cables, one or several pre-stretched return elastic members (13c) mounted on the shaft (13a), means for operating (13d) the door leaf, said first assembly (6, 7, 9, 11, 13) being pre-assembled and pre-adjusted for the door installation; the door further comprising a second assembly (10, 49) including upper guide rails (10).
|
