Patent ID: 6848214

Claim:
A movable wall system for use in buildings, said movable wall system comprising: a plurality of movable panels; a runner rail structure; each of said panels comprising at least one suspension device to suspending each of said panels from said runner rail structure; each of said suspension devices comprising a runner roller; said runner rollers being configured and disposed to run on said runner rail structure to permit movement of each of said panels; said runner rail structure comprising: a first track section; a second track section; a third track section; said first track section being joined with said second track section at a junction area; said first track section being separated from said third track section by a gap said junction area; a track-switching arrangement being configured and disposed to be actuated to bridge said gap to permit said at suspension devices to travel between said first track section and said third track section; and said track-switching arrangement comprising: a movable track portion being pivotable about an axis which is generally parallel to a longitudinal axis of said first track section and a longitudinal axis of said third track section of: said movable track portion being configured and disposed to be moved into said gap to connect said first track section and said third track section, and to bypass said second track section; and a mechanical switch being configured and disposed to be actuated to move said movable track portion into said gap; and said each of said suspension devices comprising a contact structure; said contact each of structures being one of: disposed to contact and actuate said mechanical switch upon said suspension device entering said junction area to permit said suspension device to travel between said first track section and said third track section; and disposed not to contact said mechanical switch upon said suspension device entering said junction area.