Patent ID: 8919698

Claim:
An apparatus comprising: a door configured to transition between an open position and a first closed position through rotational movement in a substantially horizontal direction and configured to move from the first closed position to a final closed position along a vertical axis; an elongate member having a first end and a second end, the elongate member rotatably mounted to the door along an axis that is substantially parallel to a substantially horizontal axis; a first centering track mounted on the first end; a second centering track mounted on the second end; a first follower attached to a vehicle proximate a first edge of the door; and a second follower attached to the vehicle proximate a second edge of the door, wherein the first centering track and the second centering track are movable to reduce rotational movement of the door about a vertical centerline during a movement of the door when the first follower is engaged in the first centering track and the second follower is engaged in the second centering track, wherein the first centering track is configured to engage the first follower and the second centering track is configured to engage the second follower, the first centering track and the second centering track rotate about the first follower and the second follower from the first closed position to the final closed position, and the door moves along the vertical axis.