Patent ID: 8205657

Claim:
An architectural opening covering assembly that is reconfigurable from a collapsed position to an extended position, comprising: two side rails configured to be mounted in parallel on opposite respective sides of an architectural opening; at least one moveable end rail operably connected to the two side rails and in the extended position the at least one movable rail has a first orientation and extends substantially perpendicularly between the two side rails and is movable along the two side rails, and in the collapsed position the at least one movable end rail has a second non-perpendicular orientation with respect to the two side rails; a cord arrangement extends along the two side rails and the movable end rail and operably connects the at least one movable rail to at least one of the two side rails; and a first spring for securing the cord arrangement to one of the two side rails and a second spring for securing the cord arrangement to the other of the two side rails; wherein the first spring is received around a first end of the cord arrangement and the second spring is received around a second end of the cord arrangement; in the extended position, the cord arrangement secures the movable end rail at substantially any position along the two side rails, and in the collapsed position, the cord arrangement secures each end of the movable end rail to a respective side rail such that the two side rails and movable end rail remain secured together.