Barrier systems and associated methods, including vapor and/or barrier systems with manual egress

摘要

Barrier systems and associated methods, including vapor and/or fire barrier systems, are disclosed herein. One aspect of the invention is directed toward a barrier system that includes a barrier coupled to a spool, and a drive system. The barrier is positioned to be wound onto and off of the spool as the barrier moves between a deployed position and a retracted position by the drive assembly. The system further includes a clutch configured to resist movement of the barrier system unless directed by the drive system, and to release the barrier to allow manual egress when power to the drive system fails. The system further includes a latch configured to retain the barrier in a retracted position and to prevent the barrier from deploying when power fails and the clutch releases.

主权项

1. A smoke barrier system usable adjacent to an opening in a structure, comprising:
a flexible smoke barrier having a first end and a second end, the smoke barrier having a deployed position covering the opening and a retracted position not covering the opening; a handle coupled to the smoke barrier between the first and second ends of the barrier and positioned for engagement by a user to manually move the smoke barrier toward the retracted position; a drive system that drives the smoke barrier toward each of the deployed position and the retracted position; a release switch coupled to the smoke barrier and having an activated position and a non-activated position; and a clutch operably interconnecting the drive system and the smoke barrier, the clutch being operably connected to the release switch,
the clutch having engaged and released positions, wherein, in the engaged position—
the clutch interconnects the drive system with the smoke barrier to allow the drive system to actively drive the smoke barrier to and from the deployed position during a first condition, andthe drive system restricts manual movement of the smoke barrier away from the deployed position, andwherein, in the released position—
the clutch disconnects the drive system from the smoke barrier during a second condition, andthe smoke barrier remains in at least one of the deployed position and an intermediate position between the deployed and retracted positions independent of operation of the drive system; and wherein, with the release switch in the activated position, the clutch is in the released position and the barrier is free to be manually moved away from the deployed position by a user engaging the handle.