| 摘要 |
The support framework for any type of rolling curtains and in particular for window opening protecting mosquito-nets is of the type including a box containing a longitudinally grooved hollow roller with a screen - the actual curtain - wound around it, at the two box ends a first and second head being fitted for the free support of said roller and of said curtain elastic uprolling devices and vertical guides for said screen edges and hooking elements for kkeping the curtain tight when in straight position. The second one of said heads is supplied with a device for a quick and final stretching adjustment of said screen and is fitted on the said framework after cutting the box and associated parts according to the desired length, thus allowing direct framework mounting without previous inspection for the necessary measurements. |
