Patent ID: 8132609

Claim:
A roller shade system adapted to be mounted in front of a window, the roller shade system comprising: a rotatably-mounted roller tube; a flexible shade fabric windingly received around the roller tube and adapted to hang in front of the window, the shade fabric having a first fabric end connected to the roller tube and a second fabric end opposite the first fabric end, the second fabric end adapted to move in a vertical direction to raise and lower the shade fabric as the roller tube is rotated in respective first and second directions; and a pleating bar defining a fabric-receiving opening and mounted such that the shade fabric is received through the fabric-receiving opening, the fabric-receiving opening having a non-linear path, such that the shade fabric hangs in front of the window with a plurality of pleats; wherein the second fabric end moves in an upward direction as the roller tube rotates in the first direction, and in a downward direction as the roller tube rotates in the second direction.