Patent ID: 7299848

Claim:
A closure member control system, comprising: a housing having an interior, an opening to the interior, and a closure member movable relative to the opening between open and closed positions, the closure member in the closed position covers at least a portion of the opening and in the open position does not cover the at least a portion of the opening; a barrier coupled to the housing and being moveable between a stowed position and a deployed position, the barrier being contained in the housing's interior when in the stowed position, and the barrier in the deployed position extends past the opening; a control device operatively coupled to the closure member, the control device being movable between first and second positions relative to the housing, the control device being positioned to urge the closure member to remain in the closed position when the closure device is in the first position and to urge the closure member to remain in the open position when the closure device is in the second position; and a drive mechanism operatively coupled to the barrier and positioned to move the barrier to at least one of the stowed position and the deployed position, the drive mechanism including: a spool coupled to the barrier wherein at least a portion of the barrier is wound on the spool and the barrier and the spool are generally positioned in the interior of the housing when the barrier is in the stowed position; a cord coupled to the spool to retain the spool and the barrier in the stowed position, the cord being movable to lower the spool and a portion of the barrier past the opening as the barrier moves from the stowed position to the deployed position; and a positioning mechanism positioned to contact a portion of at least one of the barrier and the spool as the barrier is moved to the stowed position and to move the closure member from the open position to the closed position.