Patent ID: 7661667
Filing Date: 2010-02-16
Classification: B65H

Abstract:
1. A sheet feeding device, comprising: a conveyor belt configured to convey a sheet, the conveyor belt comprising a first row of a plurality of convex portions intermittently arranged on an inner circumferential surface of the conveyor belt in a sheet conveying direction; and at least three rollers arranged substantially in a row along the sheet conveying direction and around which the conveyor belt is spanned such that a direction substantially perpendicular to the sheet conveying direction is substantially parallel to an axial direction of each of the rollers, wherein the at least three rollers include an upstream-most roller, a downstream-most roller, and at least one further roller located between said upstream-most roller and said downstream-most roller in the sheet conveying direction, wherein all of the rollers comprise first concave portions on outer circumferential surfaces thereof, in which the convex portions of the first row of the conveyor belt are engaged, and wherein a width of the first concave portion of at least one of said upstream-most roller and said downstream-most roller is smaller than a width of the first concave portions of the at least one further roller.