| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve a heat insulation property without impairing operability.SOLUTION: A roll screen device comprises a screen 50 having a base end part connected to a winding shaft 40 and having a tip paret also connected to a bottom bar 30 and a pair of guide members 21 mutually extended in the same direction from a position corresponding to both end parts of the winding shaft 40, and a pair of blade members 60 rotatably arranged so as to advance-retreat to an opening-closing movement area S of the screen 50, allows the screen 50 to move for opening-closing by retreating from the opening-closing movement area S when the bottom bar 30 is positioned in the opening-closing movement area S, and contacts both edge parts of the screen 50 with an inner fin part 21c of the pair of guide members 21 by advancing to the opening-closing movement area S when the bottom bar 30 engages with an engaging piece 27b.</p> |
