Patent ID: 8807554

Claim:
A sheet conveying roller comprising: a tubular roller body unitarily formed of an elastic material and having a plurality of linear projections circumferentially equidistantly provided on an outer peripheral surface thereof as extending axially of the roller body; wherein the linear projections each have a generally right-angled triangular cross section taken perpendicularly to a center axis of the roller body, the generally right-angled triangular cross section including a hypotenuse edge and an adjoining edge located on a forward side and on a rearward side, respectively, with respect to a circumferential roller body rotation direction, the adjoining edge aligning with a line perpendicular to the center axis of the roller body; wherein a corner defined between the hypotenuse edge and the adjoining edge of each of the linear projections is rounded as seen in section; wherein a corner defined between the hypotenuse edge of one of each two adjacent linear projections and the adjoining edge of the other linear projection is rounded as seen in section.