Patent ID: 8819994

Claim:
An enclosure system comprising: a plurality of elongated panels, the plurality of elongated panels including a plurality of independent panels and a panel-door, each of the plurality of panels having a top edge, a bottom edge, and two opposing side edges extending longitudinally between the top edge and the bottom edge; an upper track constructed and arranged to receive an upper portion of each of the plurality of elongated panels; and a lower track constructed and arranged to receive a lower portion of each of the plurality of elongated panels, the lower track including two polytetrafluoroethylene (PTFE) strips running a length of the lower track, the two PTFE strips constructed and arranged for facilitating movement of the plurality of elongated panels along the upper track and the lower track, wherein, when the plurality of elongated panels are mounted in the upper track and the lower track such that each of the plurality of panels defines a respective plane extending longitudinally between the top edge, the bottom edge, and the two opposing side edges that is parallel to a vertical plane extending between the upper and lower tracks and a side-by-side pair of lower surfaces of the lower portion of the elongated panels rests longitudinally and uniformly throughout the lower track on the two PTFE strips along the length of the track, substantially all weight of each of the plurality of elongated panels is supported evenly on the two PTFE strips, and wherein each elongated panel, and each of the upper and lower tracks is free of wheels and bearings.