Patent ID: 8869867

Claim:
A movable partition system, comprising: a movable partition extending across a space within a building and suspending from at least one track installed to the building; a vertical alignment structure coupled to the movable partition proximate a leading end of the movable partition, the vertical alignment structure comprising at least one roller element, the at least one roller element located laterally beyond a lateral side of the movable partition and outside the at least one track; and at least one ramp installed to the building, the at least one ramp having at least one ramp surface oriented at an acute angle greater than zero relative to a horizontal plane, the at least one ramp surface positioned to abut against the at least one roller element as the movable partition is caused to extend across the space within the building to an extended, closed configuration and to cause the leading end of the movable partition to be perpendicular to the horizontal plane as the leading end of the movable partition reaches the extended, closed configuration.