| 摘要 |
<p>Operating mechanism for a roller blind (5) mounted internally or externally on a roof window (15). Retraction (3a) and tensioning of the blind are ensured by a spring (3) which acts between a stationary fixing device and the roller (2), while extension (5a) is ensured by two lateral roller systems (4, 6) with non-slip pull cords (9) attached to the slat (8) at the end of the blind (5).</p> |
