device and method for increasing wind load resistance and disengagement capacity of hanging roller doors

摘要

A device and method for increasing wind load resistance and disengagement capacity of hanging roll-up doors is a door assembly having a roll-up and roll-up flexible door panel or the like to selectively block or allow access through an opening, the flexible door panel having a hardness, a width, and a length. the door assembly further includes vertically extending side columns arranged on opposite sides of the opening, the side columns being configured to engage a marginal edge of the flexible panel to vertically guide the panel during opening or closing. Attached to a front edge of the door panel is a bottom bar that has a hardness greater than the door panel and a narrower width than a distance between the vertical panel guide assemblies. bottom bar guides are arranged near a lower portion of the opening and are configured to engage a portion of the bottom bar only when the bottom bar is located in at least one partially closed position.