Patent ID: 7742256

Claim:
A cartridge slot door mechanism that covers a cartridge slot arranged at a front panel of a frame, the cartridge slot door mechanism comprising: an upper door having an upper side supported by the front panel; a lower door having a lower side supported by the front panel; and an interlock mechanism including an upper door lever correlated with the upper door, a lower door lever correlated with the lower door and a link connected to the upper door lever and lower door lever, wherein the link is a rigid link; wherein the upper door and the lower door are configured to open toward an inner side of the frame, the upper door, the lower door, the upper door lever, the link and the lower door lever being arranged such that in response to the upper door being rotated in a first direction, the lower door is rotated in an opposite direction; and a lower side portion of the upper door and an upper side portion of the lower door are arranged to overlap.