| 摘要 |
<p>The roller shutter (4) for screening the light-admitting area of a window sash (2) comprises a length of slats (5) which at their interspaces (6) are mutually articulated by means of hinge joints, a spring-loaded roller (10) rotationally embedded in a case (8) at the top member of the sash for rolling up the slats (5), a guide rail (7) mounted at each side member (2b) of the sash running in the direction of the roof inclination for guiding the ends of the slats (5) during rolling up and down of the slat length, and a drive mechanism (11) comprising a drive shaft (13) mounted parallel to the roller and a driving device (14) arranged at each guide rail (7) and having carriers (15) for driving engagement with the slat length. The carriers (15) of the driving device (14) engage the slat length at the interspaces (6) between the slats (5).</p> |
