Flexible curtain closure device drive and containment mechanism

Details Flexible curtain closure device drive and containment mechanism Flexible curtain closure device drive and containment mechanism

E - Fixed Constructions

06

B

E06B 9/68 (2006.01) E06B 9/13 (2006.01) E06B 9/56 (2006.01) E06B 9/58 (2006.01)

Patent

CA 2426217

A roll-up closure device (Fig. 1) comprising a light weight flexible curtain (1), an extruded profiled edge (2), a synchronizing drive mechanism (3), a vertical retaining means (6) and a take up means (7). Said roll-up closure device eliminates the need for horizontal retaining mechanism positioned across the opening and the counter balance devices commonly associated with light weight flexible curtain roll-up closure devices as a means of preventing the curtain from being pulled out of the vertical retaining guides due to differential pressures that may exist in the closure device environment.

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