Patent ID: 8684354

Claim:
An image forming device comprising: a sheet conveying unit configured to convey a plurality of sheets; an image forming unit configured to form an image on a first surface of a sheet that is conveyed from the plurality of sheets by the sheet conveying unit; and a re-conveying unit configured to re-convey the sheet along a re-conveying path to the image forming unit such that the image forming unit is configured to form another image on a second surface of the sheet opposite the first surface, wherein the re-conveying unit comprises: a guide member comprising: a lower conveyance member disposed below the re-conveying path; and an upper conveyance member secured to the lower conveyance member and disposed above the re-conveying path; a single side regulation member extending in a particular direction and configured to contact a particular end of the sheet to regulate a position of the sheet; a conveyor roller set configured to convey the sheet therebetween, wherein the conveyor roller set comprises: a driving roller configured to receive a driving force; and a pinch roller disposed facing the driving roller; an urging member configured to urge the pinch roller toward the driving roller; and a roller holder disposed above the upper conveyance member, wherein the upper conveyance member has a first end and a second end opposite to the first end in a direction perpendicular to the particular direction, wherein both the first end of the upper conveyance member and the second end of the upper conveyance member are secured to the lower conveyance member, wherein the roller holder is configured to secure the pinch roller to the upper conveyance member, wherein the roller holder is disposed to overlap the upper conveyance member in a vertical direction, wherein the roller holder is configured to secure the pinch roller such that the pinch roller is configured to contact the sheet through an opening formed in the upper conveyance member, and wherein the first end of the upper conveyance member extends further than the second end of the upper conveyance member in the particular direction.