Patent ID: 7152889

Claim:
A roll up door system comprising: a door including at least one panel; a first latch member and a second latch member movably mounted on said at least one panel for movement between inward and outward positions; a cable in communication with said first latch member and said second latch member; and, a cam member for displacing said cable to move said first and second latch members, said cam member including, a first portion including a first flat portion, and a second portion including a second flat portion, said first and second portions being disposed with respect to each other so the first flat portion and the second flat portion define a substantially straight slot configured for receiving an at least substantially straight portion of said cable, wherein the first portion forms a first outwardly curved edge and the second portion forms a second outwardly curved edge, wherein the first curved edge and the second curved edge are positioned at opposite ends of the substantially straight slot.