Abstract: A rotating device includes: a first rotating body capable of forward rotation; a second rotating body capable of forward rotation and reverse rotation; a drive unit outputting drive forces in a forward rotation direction and a reverse rotation direction; and a transmission mechanism transmitting the drive force in the forward rotation direction output from the drive unit to the first rotating body and the second rotating body to rotate the first rotating body and the second rotating body in the forward direction and transmitting the drive force in the reverse rotation direction output from the drive unit to the first rotating body and the second rotating body to rotate the first rotating body in the forward direction and rotate the second rotating body in the reverse direction.

Abstract: A rotating device includes: an opening-closing portion supported so as to be openable and closable with respect to a support body; a drive unit provided on the support body; a first rotating body provided on the support body and rotated by a drive force of the drive unit; a driven portion provided in the opening-closing portion; a second rotating body provided in the opening-closing portion, rotated by a transmitted rotational force, and transmitting the rotational force to the driven portion; and an annular body formed in an annular shape, wound around the first rotating body and the second rotating body, maintaining the winding state in both an open state and a closed state of the opening-closing portion, and transmitting the rotational force of the first rotating body to the second rotating body.

Abstract: A path switcher is provided at a point where a transport path along which a medium is to be transported branches out into a first branch path and a second branch path that are to be switched between by the path switcher. The path switcher includes: a switching component including a first arm and a second arm, the first arm being swingable at the point of branching of the transport path, the second arm being connected to a distal end of the first arm with an aid of a motion-allowing part, the switching component being configured to close one of the first branch path and the second branch path while opening an other of the first branch path and the second branch path; an elastic retaining component provided around the motion-allowing part and configured to elastically retain the first arm and the second arm in a predetermined positional relationship; and a rotary component rotatably provided at a distal end of the second arm and that is to come into contact with the medium.

Abstract: A sheet transport device includes: a curved sheet transport path; multiple transport roller pairs disposed in the sheet transport path; multiple driving sources that drive the multiple transport roller pairs; multiple load detectors that detect the loads of the multiple driving sources; and a control unit that controls the driving speed of at least one of the driving sources such that detection results obtained by the load detectors are within a predetermined range in accordance with the position of the leading end of a sheet.

Abstract: A sheet transport device includes: a curved transport path for a sheet; and multiple endless belt pairs arranged along the transport path and having transport surfaces that are in contact with each other.

Abstract: A medium transport device includes a guide configured to guide a medium on which an image is recorded, and curved along a transport direction of the medium, and an actuator configured to actuate the guide between a contact position where the guide is in contact with the medium and a separation position where the guide is separated from the medium. The guide is configured to move to the contact position until a leading edge of the medium in the transport direction passes along the guide, and move to the separation position after the leading edge of the medium in the transport direction has passed along the guide.

Abstract: A conveyance device includes: a conveyance unit that conveys a material to be conveyed; a guide unit that guides the material to be conveyed, the guide unit being movable between a first position at which a first conveyance path is formed and a second position at which a second conveyance path is formed; a driving unit that drives the conveyance unit and the guide unit; a restriction unit that comes into contact with the guide unit moving in a moving direction from the second position to the first position at the first position by a driving force of the driving unit to restrict the movement of the guide unit in the moving direction; and a blocking unit that blocks transmission of the driving force of the driving unit to the guide unit when a moving load greater than or equal to a predetermined load acts on the guide unit moving in the moving direction.

Abstract: A rotating device includes: an opening-closing portion supported so as to be openable and closable with respect to a support body; a drive unit provided on the support body; a first rotating body provided on the support body and rotated by a drive force of the drive unit; a driven portion provided in the opening-closing portion; a second rotating body provided in the opening-closing portion, rotated by a transmitted rotational force, and transmitting the rotational force to the driven portion; and an annular body formed in an annular shape, wound around the first rotating body and the second rotating body, maintaining the winding state in both an open state and a closed state of the opening-closing portion, and transmitting the rotational force of the first rotating body to the second rotating body.

Abstract: A rotating device includes: a first rotating body capable of forward rotation; a second rotating body capable of forward rotation and reverse rotation; a drive unit outputting drive forces in a forward rotation direction and a reverse rotation direction; and a transmission mechanism transmitting the drive force in the forward rotation direction output from the drive unit to the first rotating body and the second rotating body to rotate the first rotating body and the second rotating body in the forward direction and transmitting the drive force in the reverse rotation direction output from the drive unit to the first rotating body and the second rotating body to rotate the first rotating body in the forward direction and rotate the second rotating body in the reverse direction.

Abstract: A decurling device is provided on a downstream side with respect to a fixing device in a medium transporting direction and straightens a curl formed in a medium transported to the decurling device. The decurling device includes a bending unit extending across the medium transporting direction and that bends the medium in a decurling direction by coming into contact with a leading end of the medium; and a position adjusting unit that adjusts, in a medium crosswise direction, tilt of a contact part of the bending unit, the contact part coming into contact with the leading end of the medium exited from the fixing device.

Abstract: A decurling device is provided on a downstream side with respect to a fixing device in a medium transporting direction and straightens a curl formed in a medium transported to the decurling device. The decurling device includes a bending unit extending across the medium transporting direction and that bends the medium in a decurling direction by coming into contact with a leading end of the medium; and a position adjusting unit that adjusts, in a medium crosswise direction, tilt of a contact part of the bending unit, the contact part coming into contact with the leading end of the medium exited from the fixing device.

Abstract: An orientation correcting device includes a first transporting unit that nips and transports a sheet; a detecting unit that detects a tilt of the sheet that is transported by the first transporting unit; a second transporting unit that nips and transports the sheet that has been transported by the first transporting unit; a flexure forming unit that, with the second transporting unit stopped, forms a flexure in the sheet as a result of causing the sheet that is transported by the first transporting unit to strike against the second transporting unit; and a moving unit that, with the second transporting unit stopped and the flexure formed in the sheet by the flexure forming unit, moves the second transporting unit in a crossing direction that crosses a transport direction of the sheet in accordance with an amount and a direction of the sheet tilt detected by the detecting unit.

Abstract: An orientation correcting device includes a first transporting unit that nips and transports a sheet; a detecting unit that detects a tilt of the sheet that is transported by the first transporting unit; a second transporting unit that nips and transports the sheet that has been transported by the first transporting unit; a flexure forming unit that, with the second transporting unit stopped, forms a flexure in the sheet as a result of causing the sheet that is transported by the first transporting unit to strike against the second transporting unit; and a moving unit that, with the second transporting unit stopped and the flexure formed in the sheet by the flexure forming unit, moves the second transporting unit in a crossing direction that crosses a transport direction of the sheet in accordance with an amount and a direction of the sheet tilt detected by the detecting unit.

Abstract: Provided is a recording material discharge device including a recording material discharge member that discharges a recording material, a receiving member that receives the recording material which is discharged by the recording material discharge member, and a variable section that changes an angle of the discharge of the recording material discharged by the recording material discharge member.

Abstract: An image forming apparatus includes an image forming section that forms an image, a transport path section along which a recording material that is yet to undergo or has undergone image formation performed by the image forming section is transported, a transport unit that is provided in the transport path section and transports the recording material while nipping the recording material, an operated portion that is operated by a user and activates the transport unit such that the recording material is removed from the transport unit, and a notification unit that notifies a completion of the operation of the operated portion on the basis of a position of the recording material that is removed from the transport unit by the user's operation of the operated portion.

Abstract: An image forming apparatus includes an image forming section that forms an image, a transport path section along which a recording material that is yet to undergo or has undergone image formation performed by the image forming section is transported, a transport unit that is provided in the transport path section and transports the recording material while nipping the recording material, an operated portion that is operated by a user and activates the transport unit such that the recording material is removed from the transport unit, and a notification unit that notifies a completion of the operation of the operated portion on the basis of a position of the recording material that is removed from the transport unit by the user's operation of the operated portion.

Abstract: A reversing transporting device includes a transport-in path, a first transporting section provided at the transport-in path, a second transporting section provided at the transport-in path, a reversing path connected to the transport-in path, a third transporting section provided at the reversing path, a transport-out path connected to the reversing path, a fourth transporting section provided at the transport-out path, and a fifth transporting section provided at the transport-out path.

Abstract: An image forming system includes an image forming unit, a feeding unit, a side edge reversal unit, a leading edge reversal unit, and a control unit, wherein, when there is a request for image formation on a bundle of sheets including a special sheet having a special part at an edge so that the edge is not straight and there is a request for image formation on both surfaces of the special sheet, the control unit controls the feeding unit, the image forming unit, the side edge reversal unit, the image forming unit to transport the special sheet having the image of the preceding page formed thereon to the downstream side after the front and back of the sheet are reversed by the leading edge reversal unit.

Abstract: A reversing transporting device includes a transport-in path, a first transporting section provided at the transport-in path, a second transporting section provided at the transport-in path, a reversing path connected to the transport-in path, a third transporting section provided at the reversing path, a transport-out path connected to the reversing path, a fourth transporting section provided at the transport-out path, and a fifth transporting section provided at the transport-out path.