Patent ID: 7260908

Claim:
A flexible sheet mounted on an adjustable frame assembly, comprising: a first non-adjustable frame comprising: a first channel having a first flange defined therein; and a first leg connected to the first channel, the first leg adapted to be fixedly connected to a support structure; a first adjustable frame comprising: a fixed frame member comprising a fixed frame segment adapted to be fixedly connected to a support structure; and a stop segment connected to and extending from the fixed frame segment; a tension frame member comprising: a tension segment, the tension segment including a second channel having a second flange defined therein; and an intermediate segment connected to and extending from the tension segment; and a tensioning member adjustably connected to the stop segment and connected to the intermediate segment; a sheet material having a periphery and extending between the first non-adjustable frame and the first adjustable frame; and a plurality of retaining members, each retaining member having a first and a second opposing sides, wherein, the sheet material is disposed upon the first and the second opposing sides of each retaining member and is attached to each retaining member by stitching so as to form at least a first sheet tab and a second sheet tab, wherein, for each retaining member, the stitching comprises stitches passed through the sheet material disposed on the first opposing side of the retaining member, through the retaining member, and through the sheet material disposed on the second opposing side of the retaining member, and wherein, first sheet tab is inserted into the first channel and a second sheet tab is inserted into the second channel.