Patent ID: 8746680

Claim:
A paper tray for a printer, comprising: a bottom plate, the bottom plate being configured to received stacks of paper; and a rear plate connected to a rear edge of the bottom plate, a plurality of bent pieces secured on the rear plate, each of the plurality of bent pieces comprising a first piece and a second piece, the first piece being placed on the rear plate, and an obtuse angle being defined between the first piece and the second piece, the second pieces being bent towards to the rear plate; wherein the second pieces of the plurality of bent pieces are configured to allow a topmost piece of paper of the stacks to slide over, and to block a second topmost piece of paper of the stacks from sliding over the second pieces of the plurality of bent pieces; wherein a plurality of guiding pieces are secured on the rear plate, each of the plurality of guiding pieces comprises a main body, and the main body is placed on the rear plate; a top end of the main body extends rearward and downward to form a pair of locks, a distal end of each lock comprises a hook; a top edge of the rear plate extends rearward to form an extending portion, a rear portion of the extending portion defines a plurality of cutouts; and the locks of the plurality of guiding pieces are received in the cutouts, and the hooks of the plurality of guiding pieces are engaged on the rear plate.