| 摘要 |
<p>A closure assembly to be installed in an opening for a building, said closu re assembly comprising a frame for supporting a moveable closure member therewithin, said frame including top, bottom and side members, one of the members including a hollow pocket within the interior of said member and for receiving a spring biased roller assembly upon which a flexible material is accumulated, said flexible material being selected from a blind, a bug scree n, a solar screen, or the like, the flexible material being movable between a ful ly retracted first position whereat the material is contained within the pocket to a fully extended second position whereat the material covers some or all of th e opening of the building.</p> |
