Patent ID: 8851146

Claim:
A curtain assembly comprising: a curtain selectably moveable between an open position and a recessed position by winding the curtain panel around a roller assembly; a plurality of rail assemblies attached to respective portions of the curtain at respective fixed positions on the curtain, wherein the plurality of rail assemblies are constructed and arranged to provide lateral stability in the curtain when the curtain is in an open position, and wherein the plurality of rail assemblies further comprise: a first unitary and contiguous member attached to a first side of the curtain, the first member constructed and arranged to extend beyond a width of the curtain and to include a first folded portion on a first end and a second folded portion on a second end, wherein the first folded portion comprises: an interior flat portion, an exterior flat portion, a rounded portion connecting the interior flat portion and the exterior flat portion, wherein a single thickness of the curtain is compressed between the interior flat portion and the exterior flat portion, and wherein the second folded portion compress the single thickness of the curtain at the second end; wherein each of the plurality of rail assemblies winds about the roller assembly responsive to the respective attached portion of the curtain being wound about the roller assembly.