Patent ID: 7370859
Filing Date: 2008-05-13
Classification: B65H

Abstract:
1. A sheet feeder comprising: a holder capable of storing a plurality of recording sheets in a stack; a sheet feed roller capable of feeding an uppermost recording sheet in the stack; an inclined separation plate that is provided on a downstream side of the holder with respect to a sheet feeding direction, the inclined separation plate extending in a direction perpendicular to the sheet feeding direction, the inclined separation plate having a plurality of window holes arranged along the sheet feeding direction; and a separation member that is attached to the inclined separation plate, the separation member capable of separating the recording sheets one-by-one from the stack in cooperation with the sheet feed roller, the separation member having a plurality of separation protrusions arranged along the sheet feeing direction, wherein the separation protrusions protrude from the window holes in a direction where the inclined separation plate faces the recording sheets stored in the holder.