| 摘要 |
A sheet delivery mechanism including: a first roll; a second roll; and a plurality of convexes formed circumferentially for pushing a rear end of a sheet to be delivered, wherein: a sheet delivery roll pair comprises the first roll and the second roll in contact with each other; at least one of the first roll and the second roll is provided with the plurality of convexes; and one of the plurality of convexes is arranged to be more inside radially than the tangential line drawn from the radial tip of another convex upstream adjacent in the rotating direction to the one convex at issue to the outer periphery of the roll.
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