Patent ID: 8240354

Claim:
A movable partition system, comprising: an overhead support system extending along a curved path, comprising: an elongated chain guide structure extending along a curved path, the elongated chain guide structure having a maximum width of at least about sixty millimeters (60 mm), the elongated chain guide structure comprising: in cross-section, a longitudinally extending and vertically oriented central beam; a pair of attachment flanges extending laterally outwardly from a top end of the central beam; and a pair of chain guide members extending laterally outwardly from the central beam vertically below the pair of attachment flanges, the attachment flanges of the pair of attachment flanges projecting laterally outward from the central beam beyond laterally outward ends of the chain guide members of the pair of chain guide members by at least about eight millimeters (8 mm); a chain at least partially disposed in at least one chain guide member of the pair of chain guide members; and a movable partition coupled to the overhead support system and coupled to the chain.