Abstract: A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that vertically raises or lowers the mount portion, a discharger that transports the sheet-shaped media stacked on the mount portion in order from an upper one of the sheet-shaped media, and first air outlets that blow air to the sheet-shaped media stacked on the mount portion at left and right edges in a feed width of the sheet-shaped media. The mount portion is changeable to a long mount portion capable of receiving long sheet-shaped media by extending an end portion of the mount portion upstream from an unchanged position in a transportation direction of the sheet-shaped media, the end portion corresponding to an upstream end portion in the transportation direction.

Abstract: A supply device includes: a loading portion where recording media are loaded; a transport unit to transport the media; a contact portion provided on the loading portion, the contact portion being in contact with a side end portion of the media having a first size in a direction intersecting with a transport direction, the contact portion having a blowing portion to blow air to the side end portion; a guide portion detachably attached to the contact portion when media having a second size smaller than the media having the first size are loaded, the guide portion being configured to guide a side end portion of the media having the second size; and a duct provided in the guide portion, the duct including a discharge port to blow the air from the blowing portion to an upper end portion of the media having the second size loaded on the loading portion.

Abstract: A medium regulating component for use in a medium feeding device feeding sheet media accommodated in an accommodating unit, the component for regulating excessive floating of a medium accommodated in the accommodating unit, the component includes: a regulating member protruding in a horizontal direction from an accommodating unit periphery and contacting the floating medium; a holding member holding the regulating member in a non-contact state with the medium; a first rotating shaft rotatably supporting the regulating member relative to the holding member; and a second rotating shaft rotatably supporting the holding member relative to the accommodating unit, in which when the regulating member receives a pressing force from below in a gravitational direction, rotates about the first rotating shaft in a state where movement of the holding member is suppressed, and pushes the holding member to rotate about the second rotating shaft.

Abstract: An accommodating device includes: a main body portion; a pulling-out portion on which recording media are loaded, the pulling-out portion being capable of being pulled out from the main body portion; a prevention portion configured to prevent the pulling-out portion from being pulled out by being locked to the main body portion in a state where the pulling-out portion is housed in the main body portion; and a fixing portion configured to fix the pulling-out portion to the main body portion in the state where the pulling-out portion is housed in the main body portion.

Abstract: A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that includes line members to vertically raise or lower the mount portion by hanging the mount portion with the line members, and a discharger that transports the sheet-shaped media stacked on the mount portion. The mount portion is changeable to a long mount portion capable of receiving long sheet-shaped media by extending, further upstream in a transportation direction of the sheet-shaped media, an upstream end portion of the mount portion in the transportation direction of the sheet-shaped media. The lift has the line members attached at a portion of the long mount portion corresponding to an unchanged portion of the mount portion, and at a portion of the long mount portion corresponding to an extended portion of the mount portion.

Abstract: An accommodating device includes: a main body portion; a pulling-out portion on which recording media are loaded, the pulling-out portion being capable of being pulled out from the main body portion; a prevention portion configured to prevent the pulling-out portion from being pulled out by being locked to the main body portion in a state where the pulling-out portion is housed in the main body portion; and a fixing portion configured to fix the pulling-out portion to the main body portion in the state where the pulling-out portion is housed in the main body portion.

Abstract: A supply device includes: a loading portion where recording media are loaded; a transport unit to transport the media; a contact portion provided on the loading portion, the contact portion being in contact with a side end portion of the media having a first size in a direction intersecting with a transport direction, the contact portion having a blowing portion to blow air to the side end portion; a guide portion detachably attached to the contact portion when media having a second size smaller than the media having the first size are loaded, the guide portion being configured to guide a side end portion of the media having the second size; and a duct provided in the guide portion, the duct including a discharge port to blow the air from the blowing portion to an upper end portion of the media having the second size loaded on the loading portion.

Abstract: A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that vertically raises or lowers the mount portion, a discharger that transports the sheet-shaped media stacked on the mount portion in order from an upper one of the sheet-shaped media, and first air outlets that blow air to the sheet-shaped media stacked on the mount portion at left and right edges in a feed width of the sheet-shaped media. The mount portion is changeable to a long mount portion capable of receiving long sheet-shaped media by extending an end portion of the mount portion upstream from an unchanged position in a transportation direction of the sheet-shaped media, the end portion corresponding to an upstream end portion in the transportation direction.

Abstract: A medium regulating component for use in a medium feeding device feeding sheet media accommodated in an accommodating unit, the component for regulating excessive floating of a medium accommodated in the accommodating unit, the component includes: a regulating member protruding in a horizontal direction from an accommodating unit periphery and contacting the floating medium; a holding member holding the regulating member in a non-contact state with the medium; a first rotating shaft rotatably supporting the regulating member relative to the holding member; and a second rotating shaft rotatably supporting the holding member relative to the accommodating unit, in which when the regulating member receives a pressing force from below in a gravitational direction, rotates about the first rotating shaft in a state where movement of the holding member is suppressed, and pushes the holding member to rotate about the second rotating shaft.

Abstract: A transport device includes a first rotary part that rotates; a second rotary part that contacts the first rotary part, that forms a pinch region where an object to be transported is pinched between the second rotary part and the first rotary part, and that rotates together with the first rotary part; and a positioning mechanism that positions the second rotary part with respect to the first rotary part. The positioning mechanism includes a swing part that supports one end portion side of the second rotary part, that is supported at one end portion side of the first rotary part, and that is swingable around a rotation center of the first rotary part; and a fixing section that fixes the swing part.

Abstract: A paper transport device includes: a paper transport path that includes plural pairs of transport units provided in a direction intersecting with a direction of transport of paper, and transports paper in a predetermined direction; an opening and closing unit that is opened and closed to expose a part of the paper transport path; and a guide unit that has a guide surface on one side of the paper transport path and is rotatably supported about a rotation shaft between a guide posture for guidance of the paper and an opening posture for opening of the guide surface through rotation from the guide posture, when the opening and closing unit is opened.

Abstract: A transport device includes a first rotary part that rotates; a second rotary part that contacts the first rotary part, that forms a pinch region where an object to be transported is pinched between the second rotary part and the first rotary part, and that rotates together with the first rotary part; and a positioning mechanism that positions the second rotary part with respect to the first rotary part. The positioning mechanism includes a swing part that supports one end portion side of the second rotary part, that is supported at one end portion side of the first rotary part, and that is swingable around a rotation center of the first rotary part; and a fixing section that fixes the swing part.

Abstract: An image forming apparatus includes: an apparatus body including an image former that forms an image on a recording material; a covering part that is provided in the apparatus body and leaves an inside of the apparatus body open by being opened in an opening direction with respect to the apparatus body; a reversing unit that is housed by the apparatus body and discharges part of the recording material on which the image is formed by the image former externally of the apparatus body, and reverses a transport direction of the recording material; and a guiding unit that is provided adjacent to a downstream side of the covering part in the opening direction, guides the recording material discharged through the apparatus body by the reversing unit, and when the covering part is opened with respect to the apparatus body, the guiding unit moves relatively with respect to the covering part in an opposite direction of the opening direction.

Abstract: An image forming apparatus includes: an apparatus body including an image former that forms an image on a recording material; an opening unit that leaves an inside of the apparatus body open by being opened in a predetermined opening direction with respect to the apparatus body; a reversing unit that discharges part of the recording material on which the image is formed by the image former externally of the apparatus body, and reverses a transport direction of the recording material; and a guiding unit that is provided adjacent to a downstream side of the opening unit in the opening direction, guides the recording material discharged through the apparatus body by the reversing unit, and when the opening unit is opened with respect to the apparatus body, moves in an opposite direction to the opening direction relatively with respect to the opening unit.

Abstract: An opening and closing mechanism includes: an opening and closing door that is supported rotatably so as to be movable between a closed position where to close an opening of an apparatus body and an open position where to open the opening; a link member that is supported rotatably by a rotary shaft that is attached to the apparatus body; a guide member having a first guide surface that moves being kept in contact with the link member when the opening and closing door is moved toward the closed position and a second guide surface that moves being kept in contact with the link member when the opening and closing door is moved toward the open position; and a switching member that guides the link member from the first guide surface and the second guide surface.

Abstract: An opening-closing mechanism includes an opening-closing panel that is rotatably supported so as to be movable between a closed position and an open position; an engagement member that is rotatably supported by the opening-closing panel; a link member that is rotatably supported by a rotating shaft provided on the apparatus body; and a guide member that is supported by a support shaft on the opening-closing panel so that the guide member is rotatable in a rotation direction and movable in a direction that crosses the rotation direction. The guide member includes a first guide surface that moves while being in contact with the link member when the opening-closing panel moves to the closed position, and a second guide surface that moves while being in contact with the link member when the opening-closing panel moves to the open position.

Abstract: An opening-closing mechanism includes an opening-closing panel that is rotatably supported so as to be movable between a closed position and an open position; an engagement member that is rotatably supported by the opening-closing panel; a link member that is rotatably supported by a rotating shaft provided on the apparatus body; and a guide member that is supported by a support shaft on the opening-closing panel so that the guide member is rotatable in a rotation direction and movable in a direction that crosses the rotation direction. The guide member includes a first guide surface that moves while being in contact with the link member when the opening-closing panel moves to the closed position, and a second guide surface that moves while being in contact with the link member when the opening-closing panel moves to the open position.

Abstract: An opening and closing mechanism includes: an opening and closing door that is supported rotatably so as to be movable between a closed position where to close an opening of an apparatus body and an open position where to open the opening; a link member that is supported rotatably by a rotary shaft that is attached to the apparatus body; a guide member having a first guide surface that moves being kept in contact with the link member when the opening and closing door is moved toward the closed position and a second guide surface that moves being kept in contact with the link member when the opening and closing door is moved toward the open position; and a switching member that guides the link member from the first guide surface and the second guide surface.

Abstract: A recording medium feeding device includes a first rotating member picking up a recording medium, a second rotating member transporting the picked-up recording medium, a driving gear unit rotating and transmitting a driving force, a first transmission mechanism having a first gear and transmitting the driving force in a first rotation direction to the first rotating member and the second rotating member, a second transmission mechanism having a second gear and transmitting the driving force in a second rotation direction to the first rotating member, and a transmission adjusting portion transmitting the driving force of either one of the first or second gear to either one of the first or second transmission mechanism, wherein the first gear rotates in the first rotation direction, the second gear rotates in the second rotation direction, and the driving gear unit engages with both the first and second gear within a predetermined range.

Abstract: A recording medium feeding device includes a first rotating member picking up a recording medium, a second rotating member transporting the picked-up recording medium, a driving gear unit rotating and transmitting a driving force, a first transmission mechanism having a first gear and transmitting the driving force in a first rotation direction to the first rotating member and the second rotating member, a second transmission mechanism having a second gear and transmitting the driving force in a second rotation direction to the first rotating member, and a transmission adjusting portion transmitting the driving force of either one of the first or second gear to either one of the first or second transmission mechanism, wherein the first gear rotates in the first rotation direction, the second gear rotates in the second rotation direction, and the driving gear unit engages with both the first and second gear within a predetermined range.