| 摘要 |
<p>The cover has an upper lamella (6) and a lower lamella with a movable screen (14) i.e. electronic paper, which is arranged on an inner side of a rolling shutter. An upper edge section of the screen is fixed to the upper lamella, and a tensioning device (18) with a coil is arranged on the lower lamella or on an end strip (8) and wound on a flexible traction mechanism. An upper end of the traction mechanism is fixed to a lower edge section (16) of the screen, where the coil is pre-stressed in an unwinding direction by a spiral spring.</p> |
