A support assembly for hanging a curtain/shade such as a chain curtain including a plurality of elongated chain link strings in depending, adjacent relation. A mounting assembly includes an elongated rail having a plurality of at least two elongated chambers disposed within the hollow interior of the rail. A support assembly includes at least one elongated support member having a head portion and a leg portion disposable in a non-exposed, operative position comprising the leg portion connected in supporting relation to the plurality of chain link strings and the head portion disposed within a correspondingly dimensioned and configured one of the two chambers. The leg portion includes an apertured construction comprising a plurality of spaced apart apertures each disposed to engage and support a different one of the plurality of chain link strings of the supported curtain/shade.