Patent ID: 8226180

Claim:
An apparatus comprising: a frame defining an internal cavity, the frame comprising an opening for accessing the internal cavity; a first door and a second door hingably mounted to the frame on opposite sides of the opening for selectively closing the opening; and a door coupling mechanism for effecting a substantially simultaneous movement of the first door and the second door relative to the frame, the door coupling mechanism comprising: a first door link comprising a first end and a second end, the first end of the first door link being rotatably coupled to the first door, a second door link comprising a first end and a second end, the first end of the second door link being rotatably coupled to the second door, a first rotatable ternary link, a second rotatable ternary link, the first and second rotatable ternary links each comprising a lobed portion and a first arm extending outward from the lobed portion and a single piece substantially rigid connecting link comprising a first end and a second end, the first end of the connecting link being rotatably coupled to the first arm of the first ternary link and the second end of the connecting link being rotatably coupled to the lobed portion of the second ternary link, wherein the second end of the first door link is rotatably coupled to the first ternary link and the second end of the second door link is rotatably coupled to the second ternary link.