Patent ID: 8186669
Filing Date: 2012-05-29
Classification: B65H

Abstract:
1. A sheet feeder device comprising: a sheet feeder configured to store a plurality of sheets of media; and a case having a feeder housing configured to attachably and detachably mount the sheet feeder, wherein the sheet feeder includes: a sheet receptacle configured to store the plurality of sheets of media such that the plurality of sheets of media are conveyable in a conveyance direction; and a pair of width adjustment guides configured to position each of the plurality of sheets of media in a sheet width direction, the pair of width adjustment guides being attached to the sheet receptacle such that a position of the pair of width adjustment guides is adjustable in the sheet width direction, wherein the feeder housing includes: a plurality of rollers arranged on an exit side of the sheet feeder that is mounted on the feeder housing, the plurality of rollers being spaced each other in the width direction; a plurality of roller holders configured to hold the plurality of rollers rotatable and movable in a sheet thickness direction; a plurality of roller biasing members configured to urge the plurality of roller holders to come in contact with a topmost sheet of medium, when the sheet feeder is mounted on the feeder housing; and a roller driver unit configured to cause the plurality of rollers to rotate, and wherein the pair of width adjustment guides includes: a pair of facing parts configured to face both side surfaces of the plurality of sheets of media; a pair of guide positioning units configured to position the pair of facing parts; and a guide end configured to cause one of the plurality of roller holders to move more upward than other remaining roller holders, when the sheet feeder is mounted on the feeder housing.