摘要 |
A nonretractable covering for architectural openings such as doors, window s, archways, or the like includes a covering fabric like material having pivota l vanes with the fabric like material being extended between upper and lower tilt bars wi th one of the upper lower tilt bars being an active tilt bar and the other a passive tilt bar which moves in response to the active tilt bar. Movement of the active tilt bar between opened and closed positions pivots the vanes between opened and closed positions while the fabric material remains extended across the architectural opening
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