Patent ID: 7878500

Claim:
A sheet storing device comprising: a container comprising a first holding surface configured to hold a first sheet thereon; a tray positioned at an upper side of the container, the tray comprising a second holding surface configured to hold a second sheet thereon, wherein the tray is configured to selectively move between a first position and a second position downstream from the first position in a first direction; a positioning unit configured to selectively position the tray in one of the first position and the second position; and a linking unit configured to link the tray to the container and to pivot about a particular pivot axis which extends in a second direction perpendicular to the first direction and parallel to the first holding surface of the container, wherein the linking unit pivots to selectively move the tray between the first position and the second position, wherein the linking unit comprises a plurality of particular links opposing each other in the second direction, and each particular link comprises a first connection portion rotatably coupled to the container and a second connection portion rotatably coupled to the tray, wherein the particular pivot axis passes through the first connection portion of each particular link and when each particular link pivots about the particular pivot axis, the tray selectively moves between the first position and the second position; and wherein the second holding surface faces away from the first holding surface in the first and second positions.