Patent ID: 7029007

Claim:
A sheet feeder comprising: a sheet tray body disposed in such a way as to rotate around a shaft, which is provided in such a manner as to be nearly perpendicular to a sheet mounting surface, and enabled to be accommodated in a sheet feeder body; a stepped portion provided in said sheet tray body in such a fashion as to be placed in a connection portion, in which said sheet tray body and an upper edge part of a sheet mounting portion of said sheet feeder body are connected to each other, when said sheet tray body is used; and a thrusting member provided on a rear surface of said sheet tray body for frontwardly pushing said sheet tray body when said sheet tray is used thereby allowing said sheet tray to be retained in an open position, wherein the thrusting member abuts a back cover of said sheet feeder, when said sheet tray body is used and pushes the sheet tray body towards the sheet mounting surface, wherein said back cover is part of a main body of said sheet feeder and is configured to cover at least one internal component of said sheet feeder.