Patent ID: 7513540

Claim:
A door system comprising: a frame defining a doorway, the frame including an active door, an inactive door having a strike plate with at least one receiving area, and a first locking point; a first lock attached to the inactive door, the first lock including: a first shoot bolt in sliding engagement with the inactive door, and a selectably positionable lever including a shaft, a cap, and a spring, a distal end of the spring mounted in the shaft and a proximal end of the spring engaging the cap to bias the cap against the strike plate, wherein the selectably positionable lever is attached to the first shoot bolt and the first shoot bolt has a first unlocked position and a second locked position, and wherein in the second locked position the first shoot bolt engages the first locking point; and a second lock attached to the active door, the second lock including an unlocked position and a locked position in the receiving area, the selectably positionable lever blocking the second lock from moving into the receiving area to the locked position unless the first shoot bolt is in the second locked position.