Abstract: In a reading apparatus including a first conveying device including a first and a second movable unit to cause the sheet to pass through the first position; and a second conveying device including a third and a fourth movable unit to cause the sheet to pass through the second position; characterized in that when the reading device reads the sheet at the first position, a moving velocity of the second movable unit is larger than a moving velocity of the first movable unit, and when the reading device reads the sheet at the second position, a moving velocity of the fourth movable unit is larger than a moving velocity of the third movable unit.

Abstract: An image forming apparatus which include a sheet storage portion and a stacker portion and from which a user can easily receive a sheet is provided. The sheet storage portion which stores a sheet on which an image is formed is provided above an image forming unit 101 that forms an image on a sheet and below a stacker portion 124 on which sheets on which images are formed by the image forming unit are stacked.

Abstract: An image forming apparatus includes a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus includes a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.

Abstract: A reading apparatus including: a first conveyance path in which a sheet is conveyed; a second conveyance path different from the first conveyance path, the second conveyance path allowing the sheet switched back after having passed through the first conveyance path to be conveyed therein; a reading unit configured to read the sheet, the reading unit being movable to a first position where a first surface of the sheet in the first conveyance path is read, a second position where a second surface as a back surface of the first surface of the sheet in the second conveyance path is read, and a third position different from the first position and the second position; and a reference portion that the reading unit reads for correcting information read by the reading unit, the reference portion being read by the reading unit moved to the third position.

Abstract: A sheet stacking apparatus includes a sheet stacking unit having a stacking member, a contact member, a moving unit, and a regulating member. The contact member contacts an end portion of a sheet stacked on the stacking member. The moving unit moves the contact member from a standby position to a movement position to move the stacked sheet. The regulating member regulates, at a regulation position, a position of the stacked sheet from above, and moves from the regulation position by being pushed by the conveyed sheet. In a sheet width direction orthogonal to a direction in which the sheet is conveyed, the contact member and the regulating member are arranged at different positions, and in a thickness direction of the stacked sheet, an upper surface of the contact member located at the standby position is located above a lower surface of the regulating member located at the regulation position.

Abstract: An image forming apparatus has a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus has a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.

Abstract: A forging process is conducted in a temperature range of 350-600° C. on at least a portion that is required to have a fatigue strength in an intermediate forged product having a ferrite and pearlite texture obtained by conducting a hot forging on a steel in which N is not greater than an amount at which N is unavoidably dissolved as a solid, thereby improving strength of the portion that is required to have a fatigue strength. With this, there is provided a forged product having a good strength and a low price.

Abstract: An inclined flange roller is located outward of an end portion of a tension roller in the belt width direction. The inclined flange roller includes a flange surface capable of being in contact with the edge portion of a belt in a region in which the belt is wound around the tension roller and a roller surface capable of being in contact with an inner peripheral surface of the belt between the flange surface and an end portion of the tension roller in the belt width direction.

Abstract: The image forming apparatus includes an image forming unit, a reading unit, first and second original sheet conveyance paths, a common conveyance path in which a recording material or the original sheet is conveyed to form an image, a third original sheet conveyance path that connects the first original sheet conveyance path and the second original sheet conveyance path and is used for conveying the original sheet conveyed in the second original sheet conveyance path to the common conveyance path, and a control unit that controls so as to convey the original sheet conveyed in the second original sheet conveyance path to the common conveyance path via the third original sheet conveyance path, and form an image on the original sheet.

Abstract: An image forming apparatus includes a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus includes a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.

Abstract: An image forming apparatus includes a sheet feeding unit, an image forming unit, a first conveyance path configured to guide the sheet fed from the sheet feeding unit, a second conveyance path configured to guide the sheet on one surface of which an image has been formed by the image forming unit to the first conveyance path again, a document feeding unit configured to feed a document to the second conveyance path, an image reading unit configured to read the document, a third conveyance path branching off from the second conveyance path and configured to guide the document, a switch back conveyance unit configured to convey the document in the third conveyance path, a fourth conveyance path configured to guide the document conveyed by the switch back conveyance unit, and a document discharge unit configured to discharge the document guided by the fourth conveyance path.

Abstract: An image forming apparatus includes a first conveying path which connects between a sheet feed portion and a sheet discharging portion, and on which a image forming portion is arranged. The image forming apparatus further includes a second conveying path configured to guide the sheet on which the image has been formed on one surface thereof by the image forming portion to the first conveying path again, a document conveying path, and a reading portion. The document conveying path includes a document feeding path, a document discharging path, and a common conveying path which serves as at least a part of the second conveying path, and guides the document from a document feed portion to a document discharging portion through the document feeding path, the common conveying path and the document discharging path without causing the document to pass through the image forming position. The reading portion reads a first face and a second face of the document which is fed from the document feed portion.

Abstract: In a reading apparatus including a first conveying device including a first and a second movable unit to cause the sheet to pass through the first position; and a second conveying device including a third and a fourth movable unit to cause the sheet to pass through the second position; characterized in that when the reading device reads the sheet at the first position, a moving velocity of the second movable unit is larger than a moving velocity of the first movable unit, and when the reading device reads the sheet at the second position, a moving velocity of the fourth movable unit is larger than a moving velocity of the third movable unit.

Abstract: An image reading apparatus includes a reading unit having a reading surface and being rotatable about an axis of rotation, and a facing member that comes into contact with the reading unit and faces the reading surface when the reading unit is at a reading position. The reading unit is capable of reading a portion of an object that faces the reading surface when the reading unit is at the reading position. When the reading unit is at a position other than the reading position, the reading surface is positioned nearer to the axis of rotation than when the reading unit is at the reading position and the reading unit is spaced apart from the facing member.

Abstract: An image forming apparatus includes a document separation and feed portion separating and feeding a document, a document discharge roller pair discharging the document, and a sheet discharge roller pair discharging a sheet. The document separation and feed portion or the document discharge roller pair is disposed so as to overlap with the sheet discharge roller pair in a vertical direction.

Abstract: An image forming apparatus includes a sheet feed portion configured to feed a sheet, an image forming portion configured to form an image on the sheet, a first conveying path configured to guide the sheet fed from the sheet feed portion such that the sheet passes through the image forming portion, a second conveying path configured to guide the sheet on which the image has been formed on one surface thereof by the image forming portion to the first conveying path again, a document feed portion configured to feed a document to the second conveying path, an image reading portion configured to read an image of the document fed by the document feed portion, and a control portion configured to control the sheet feed portion and the document feed portion such that the document and the sheet are conveyed on the second conveying path in a sequence in which the document and the sheet are mixed in a case where an operation of forming images respectively on both surfaces of a plurality of sheets overlaps with an operati

Abstract: A sheet storage apparatus for storing sheets including a sheet storage unit including a lower guide configured to guide a lower surface of the conveyed sheet, an upper guide configured to guide an upper surface of the conveyed sheet, and a shutting-off unit provided in one of the lower guide and the upper guide, configured to be movable around a rotational axis and between a shutting-off position at which a downstream end of the conveying direction of the sheet stored in the sheet storage unit is shut off and a retracting position for retracting from the shutting-off position, and a plurality of stages of sheet storage units is vertically stacked and at least a part of the shutting-off unit overlaps the rotational axis of the adjacent sheet storage unit in a vertical direction at the shutting-off position.

Abstract: An image forming apparatus performs control to parallelly achieve document image reading by a reading unit and image formation by an image forming unit for forming on a recording material a document image read by the reading unit.

Abstract: A reading apparatus including: a first conveyance path in which a sheet is conveyed; a second conveyance path different from the first conveyance path, the second conveyance path allowing the sheet switched back after having passed through the first conveyance path to be conveyed therein; a reading unit configured to read the sheet, the reading unit being movable to a first position where a first surface of the sheet in the first conveyance path is read, a second position where a second surface as a back surface of the first surface of the sheet in the second conveyance path is read, and a third position different from the first position and the second position; and a reference portion that the reading unit reads for correcting information read by the reading unit, the reference portion being read by the reading unit moved to the third position.

Abstract: The optical sensor includes a light-emitting element configured to emit light to a light emitted surface, a light-receiving element configured to receive reflection light from the light emitted surface, the reflection light including light emitted from the light-emitting element and reflected at the light emitted surface, a circuit board including a mounting surface on which the light-emitting element and the light-receiving element are mounted, and a housing fixed to the circuit board. The housing includes a light shielding portion provided between the light-emitting element and the light-receiving element, and the light shielding portion is engaged with a hole formed in the circuit board at a position between the light-emitting element and the light-receiving element.