| 摘要 |
The invention proposes a window roller blind which is used for residential dormer windows with a sharp inclination. For this purpose, the roller blind has to be pulled down from the winding shaft (12) via a pulling band (19) or via contact-pressure rollers (50, 55). In order to compensate for the different diameters between the roller blind, wound up on the winding shaft (12), and the pulling band (19), wound up on a winding roller (36), or the contact-pressure rollers during the winding-up and unwinding procedures, a free wheel is provided between the drive elements. <IMAGE>
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