Patent ID: 6148572
Filing Date: 2000-11-21
Classification: E04B

Abstract:
A knockdown unit comprising a framework for holding at least one of one or more panels and one or more doors, comprising:at least a first vertical frame member and a second vertical frame member, the vertical frame members consisting of either a vertical jamb or a vertical mullion, each having a top end and a bottom end separated by an intermediate portion, each vertical frame member having a cut-out located in the intermediate portion of the vertical frame members, the cut-out forming a lower shelf;at least two horizontal frame members, the horizontal frame members consisting of at least one horizontal head frame member and at least one horizontal sill frame member, each having a first end and a second end; anda horizontal mullion having a first end and a second end,the first end of the at least one horizontal head frame member being attached to the top end of the first vertical frame member, the second end of the at least one horizontal head frame member being attached to the top end of the second vertical frame member, the at least one horizontal sill member being attached to the first and second vertical members, a first end of the horizontal mullion being positioned within the first vertical frame member cut-out and resting on the cut-out shelf, a second end of the horizontal mullion being positioned within the second vertical frame member cut-out and resting on the cut-out shelf.