Patent ID: 8087444

Claim:
A movable partition comprising: a first structure having a first plurality of panels, each panel being hingedly coupled to an adjacent panel, the first structure being individually supported from an overhead track; a second structure having a second plurality of panels, each panel being hingedly coupled to an adjacent panel, the second structure being individually supported from the overhead track, the second structure being laterally spaced from the first structure; at least one lateral restraint device supported the overhead track at a location between the first structure and the second structure, the at least one lateral restraint device including a trolley disposed in a channel of the overhead track and an elongated member coupled with the trolley, the elongated member positioned laterally between at least one panel of the first plurality of panels of the first structure and at least one panel of the second plurality of panels of the second structure and extending away from the trolley to a location proximate a lower edge of the first structure and a lower edge of the second structure; and a roller assembly coupled with the elongated member and located and configured to rollingly engage a surface over which the movable partition is disposed.