A conveyance device comprising: a first conveyance unit which is arranged in such a manner that a conveyance surface on which a sheet-shaped conveyance object is conveyed is located on an upper surface side; and a second conveyance unit which is arranged adjacent to the conveyance surface of the first conveyance unit along a conveyance object conveyance direction in such a manner that a conveyance surface on which the sheet-shaped conveyance object is conveyed is located on a lower surface side; wherein the first conveyance unit comprises a drive roller, a driven roller and a conveyer belt wound around the drive roller and the driven roller, the conveyance surface is a surface of the conveyer belt, the upper surface side is a relatively upper side of the first conveyance unit in a vertical direction; the second conveyance unit comprises a drive roller, a driven roller and a conveyer belt wound around the drive roller and the driven roller, the conveyance surface is a surface of the conveyer belt, the lower surface side is a relatively lower side of the first conveyance unit in a vertical direction; and the conveyance surface of the first conveyance unit and the conveyance surface of the second conveyance unit are arranged in a same horizontal plane at a distance in the conveyance direction; characterized by further comprising: a hanging prevention member (42; 16) which is installed between the first conveyance unit and the second conveyance unit and delivers the conveyance object from an upstream side to a downstream side of the conveyance direction in such a manner that a top edge of the conveyance object does not hang down; wherein the hanging prevention member (42; 16) comprises either an extended plate body being arranged in the conveyance direction so as to substantially match the horizontal plane between the distance, the extended plate body being extended up to a part under an end of the second conveyance unit arranged adjacent to the first conveyance unit; or a hanging prevention roller being installed in the part under the end of the second conveyance unit. a first conveyance unit which is arranged in such a manner that a conveyance surface on which a sheet-shaped conveyance object is conveyed is located on an upper surface side; and a second conveyance unit which is arranged adjacent to the conveyance surface of the first conveyance unit along a conveyance object conveyance direction in such a manner that a conveyance surface on which the sheet-shaped conveyance object is conveyed is located on a lower surface side; wherein the first conveyance unit comprises a drive roller, a driven roller and a conveyer belt wound around the drive roller and the driven roller, the conveyance surface is a surface of the conveyer belt, the upper surface side is a relatively upper side of the first conveyance unit in a vertical direction; the second conveyance unit comprises a drive roller, a driven roller and a conveyer belt wound around the drive roller and the driven roller, the conveyance surface is a surface of the conveyer belt, the lower surface side is a relatively lower side of the first conveyance unit in a vertical direction; and the conveyance surface of the first conveyance unit and the conveyance surface of the second conveyance unit are arranged in a same horizontal plane at a distance in the conveyance direction; characterized by further comprising: a hanging prevention member (42; 16) which is installed between the first conveyance unit and the second conveyance unit and delivers the conveyance object from an upstream side to a downstream side of the conveyance direction in such a manner that a top edge of the conveyance object does not hang down; wherein the hanging prevention member (42; 16) comprises either an extended plate body being arranged in the conveyance direction so as to substantially match the horizontal plane between the distance, the extended plate body being extended up to a part under an end of the second conveyance unit arranged adjacent to the first conveyance unit; or a hanging prevention roller being installed in the part under the end of the second conveyance unit. a hanging prevention member (42; 16) which is installed between the first conveyance unit and the second conveyance unit and delivers the conveyance object from an upstream side to a downstream side of the conveyance direction in such a manner that a top edge of the conveyance object does not hang down; wherein the hanging prevention member (42; 16) comprises either an extended plate body being arranged in the conveyance direction so as to substantially match the horizontal plane between the distance, the extended plate body being extended up to a part under an end of the second conveyance unit arranged adjacent to the first conveyance unit; or a hanging prevention roller being installed in the part under the end of the second conveyance unit.