Patent ID: 7891401

Claim:
An apparatus for bracing a roll down door of a building, the roll down door comprising a plurality of substantially horizontal door panels adjacent one another, the apparatus comprising: a horizontal cross bar to be mounted to the building at connector locations on opposite sides of the roll down door; at least one vertical support bar having a first end to be secured to the floor, and a second end to be secured to said horizontal cross bar, said at least one vertical support bar including at least one channel track extending along a length thereof; and at least one attachment mechanism for connecting said at least one vertical support bar to at least one of the door panels, and comprising a channel slide piece to be adjusted vertically in the at least one channel track of said at least one vertical support bar, a bracket assembly to be coupled to one of the door panels, and a hook having a rotatable end coupled to said channel slide piece, and a free end for engaging said bracket assembly.