| 主权项 |
1. An image reading apparatus configured to read a media, the image reading apparatus comprising:
a guide portion comprising a first portion that is inclined and a second portion, the guide portion defining a conveyance path, the conveyance path having a first area and a second area, the first area extending in a conveyance direction, the second area extending in the conveyance direction and being adjacent to the first area on a first side in a width direction perpendicular to the conveyance direction, and the second portion being disposed downstream of the first portion in the conveyance direction; a reader configured to read an image of the media guided by the guide portion, the reader being disposed on a first side in a height direction with respect to the conveyance path, the height direction being perpendicular to both the conveyance direction and the width direction; and a conveying portion provided in the second portion of the guide portion and configured to convey the media guided by the guide portion in the conveyance direction, the conveying portion comprising:
a first drive roller mounted on the first side in the height direction with respect to the conveyance path, the first drive roller being disposed upstream of the reader in the conveyance direction and disposed in the first area, the first drive roller being configured to rotate about a drive axis extending in the width direction;a second drive roller mounted on the first side in the height direction with respect to the conveyance path, the second drive roller being disposed upstream of the reader in the conveyance direction and disposed in the second area, the second drive roller being configured to rotate about the drive axis;a first driven roller mounted on a second side in the height direction with respect to the conveyance path and disposed in the first area, the first driven roller contacting the first drive roller; anda second driven roller mounted on a second side in the height direction with respect to the conveyance path and disposed in the second area, and an outer surface of the second driven roller facing the second drive roller being spaced apart from an outer surface of the second drive roller facing the second driven roller; a first protrusion formed in the reader and disposed in the first area on at least one side or another side of the first drive roller in the width direction, the first protrusion protruding toward upstream in the conveyance direction, the first protrusion comprising a first surface facing the second side in the height direction; and a second protrusion formed in the reader and disposed in the second area on at least one side or another side of the second drive roller in the width direction, the second protrusion protruding toward upstream in the conveyance direction, the second protrusion comprising a second surface facing the second side in the height direction, the second surface protruding toward the second side in the height direction more than the first surface of the first protrusion. |
