Patent ID: 7155861

Claim:
A door system, comprising: a door frame defining an entrance and having a resilient sealing surface and having a recess approaching a trailing edge of the sealing surface; a door track mounted across a top portion of the door frame; a door panel supported by the door track for movement between an open position and a closed position with the sealing surface of the door frame; and a keeper frangible mechanism for drawing the door panel into sealing contact with the door surface frame, comprising: a first engagement device on a trailing lateral surface of the door panel, projecting into the recess of the door frame, and a second engagement device projecting toward the door panel within the recess of the door frame forming an acute angle with the door frame away from the entrance, the first and second engagement devices slidingly cam during closing of the door panel to urge the trailing lateral surface of the door panel toward the sealing surface of the door frame.