Patent ID: 7389617

Claim:
A curtain wall system comprising: a vertical mullion for attaching to a support structure of a building; a horizontal member for intersecting with said vertical mullion; and a unitary bridging member for completely sealing a void between said horizontal member and said vertical mullion, said bridging member including a body including a mating region and an edge, said body being substantially planar; a mouth region disposed on a bottom surface of said body, said mouth region having a body portion extending outwardly from the body and a curved lip portion extending from said body portion in a direction substantially parallel to said body; wherein said mating region abuts said horizontal member of said curtain wall system, and said edge abuts said vertical mullion of said curtain wall system; and wherein said curved lip portion engages said horizontal member of said curtain wall system in a space formed between said lip portion and said bottom surface.