BOTTOM-UP/TOP-DOWN RETRACTABLE CELLULAR SHADE

摘要

A covering for an architectural opening includes a head rail, a bottom rail with a take-up roller therein and an intermediate rail with both the intermediate rail and bottom rail suspended from the head rail, a fabric material interconnecting the intermediate rail with the bottom rail and being adapted to be wrapped around the roller in the bottom rail, said fabric including a pair of vertically oriented sheets that are horizontally spaced by a plurality of vertically spaced horizontal vanes with the vanes being movable between open and closed positions by opposite vertical movement of the sheets of material. A first control system is provided for raising and lowering the bottom rail and a second control system for raising and lowering the intermediate rail as well as tilting the intermediate rail to effect an opening or closing of the vanes.