Abstract: A sheet feeding device comprising: a stacking member on which a sheet is stacked; a first conveying portion that conveys a sheet stacked on the stacking member; a second conveying portion that separates and conveys a sheet conveyed by the first conveying portion; a stopper member that stops a sheet whose front end is abutted against the stopper member at an upstream of the second conveying portion in a sheet conveying direction, wherein the stopper member can be at a first position where the sheet can be stopped and a second position where the sheet can pass the stopper member, and wherein the stopper member can move from the first position toward the second position such that a sheet conveyed by the first conveying portion reaches the second conveying portion while maintaining a state where the front end of the sheet is abutted to the stopper member.

Abstract: A sheet feeding device comprising: a stacking member on which a sheet is stacked; a first conveying portion that conveys a sheet stacked on the stacking member; a second conveying portion that separates and conveys a sheet conveyed by the first conveying portion; a stopper member that stops a sheet whose front end is abutted against the stopper member at an upstream of the second conveying portion in a sheet conveying direction, wherein the stopper member can be at a first position where the sheet can be stopped and a second position where the sheet can pass the stopper member, and wherein the stopper member can move from the first position toward the second position such that a sheet conveyed by the first conveying portion reaches the second conveying portion while maintaining a state where the front end of the sheet is abutted to the stopper member.

Abstract: A sheet feeding apparatus includes a feeding roller and a separation pad, and the sheet feeding apparatus sequentially separates and feeds a sheet one by one in a nip portion formed by the feeding roller and the separation pad. The sheet feeding apparatus includes a pad mount and an eccentric shaft. The pad mount supports the separation pad, and is movable in a direction in which a nip area by the separation pad is changed. The eccentric shaft moves the pad mount in the direction in which the nip area is changed. The sheet feeding apparatus is characterized in that the eccentric shaft moves the pad mount in the direction in which the nip area by the separation pad is gradually narrowed in separating the sheet one by one.

Abstract: An image heating apparatus has an endless belt for heating an image on a recording material in a nip formed with a roller, a steering control portion for swinging the belt in a widthwise direction of the belt; and an anomaly controller for reducing, when the belt is beyond a predetermined swinging range, a pressure between the belt and the roller to return the belt into a predetermined range.

Abstract: A sheet feeding apparatus includes a feeding roller and a separation pad, and the sheet feeding apparatus sequentially separates and feeds a sheet one by one in a nip portion formed by the feeding roller and the separation pad. The sheet feeding apparatus includes a pad mount and an eccentric shaft. The pad mount supports the separation pad, and is movable in a direction in which a nip area by the separation pad is changed. The eccentric shaft moves the pad mount in the direction in which the nip area is changed. The sheet feeding apparatus is characterized in that the eccentric shaft moves the pad mount in the direction in which the nip area by the separation pad is gradually narrowed in separating the sheet one by one.

Abstract: An image heating apparatus includes an endless belt for heating an image on a recording material in a nip; nip forming means for cooperating with the belt to form the nip; swing means for swing the belt in a widthwise direction of the belt; and returning means for reducing, when the belt is beyond a predetermined swinging range, a pressure between the belt and the nip forming means to return the belt into the predetermined range.

Abstract: The present invention relates to an image forming apparatus in which a sheet is carried by a sheet carrier to form an image, and the sheet, on which the image has been formed, is again supplied to the sheet carrier by a re-supply unit to again form an image on the sheet.An object of the present invention is to improve a sheet conveying apparatus to enable a sheet again supplied by a re-supply unit to be easily carried by a sheet carrier.To achieve the object, the image forming apparatus according to the present invention has a curl forming unit for curling a sheet, which is being again supplied by the re-supply unit, in a direction in which the sheet can easily be carried by the sheet carrier.

Abstract: A sheet-material automatic feeding device individually separates and feeds sheets of a sheet material mounted on a tray. The device includes a sheet-material-leading-end detection sensor for detecting the leading end of the sheet material mounted on the tray, and a sheet-material prefeeding roller for feeding the sheet material mounted on the tray to a sheet-material separation/feeding unit provided at a position downstream from the sheet-material prefeeding roller. When the sheet-material-leading-end detection sensor has detected the leading end of the sheet material mounted on the tray, the sheet-material prefeeding roller is mounted on and presses a leading-end portion of the sheet material mounted on the tray.

Abstract: An original device includes an image reader having a guide surface for guiding an image surface of an original for reading an image on the original being guided by the guide surface. A first feeder feeds the original while pressing the original against the guide surface of the image reader. A driver drives the first feeder, and a second feeder is provided downstream of the first feeder in an original feeding direction for feeding the original fed by the first feeder. Control circuitry is provided for controlling the driver such that the first feeder is stopped before a trailing edge of the original fed by the second feeder has passed through an area between the first feeder and the image reader. By thus stopping the first feeder, undue wear on the first feeder and the guide surface is prevented.

Abstract: The present invention provides a sheet feeding apparatus with a supporting member for supporting stacked sheets; a feed roller for feeding the sheets stacked in the support member; a driver for generating rotational forces in a predetermined direction and in an opposite direction opposite to the predetermined direction; and a shifter for shifting the feed roller to a position where the feed roller contacts the sheet stacked in the supporting member by the rotational force directed toward the predetermined direction, and for separating the feed roller from the sheet stacked in the supporting member by the rotational force directed toward the opposite direction.

Abstract: An original-reading device includes a light source for irradiating an original disposed at a reading position, a photoelectric conversion device for converting light reflected from the original into an image signal, a reading unit supporting the light source and the photoelectric conversion device, a feeder for feeding the original to the reading position, a reference member provided at a position different from the reading position, for correcting an image signal from the original, and means for moving the reading unit between a position for reading the reference member and the reading position.

Abstract: A sheet feeding apparatus is provided having a first rotary member for feeding a sheet material and a second rotary member arranged at a downstream side of the first rotary member in the sheet feeding direction, for further feeding the sheet material. A drive source rotates the first and second rotary members. A transmitter is adapted to be engaged to rotate the first rotary member in the sheet feeding direction and to be disengaged to stop the second rotary member, when the drive source is rotated in one direction. The transmitter is adapted to be disengaged to stop the first rotary member and to be engaged to rotate the second rotary member in the sheet feeding direction, when the drive source is rotated in the other direction. The rotation of the first rotary member is prohibited in the sheet feeding direction at the start of rotation of the drive source in the other direction.

Abstract: Reading apparatus has first transport device for transporting an original document, second transport device for transporting the original document, transported by said first transport device, to original reading device, original detecting device positioned between said first and second transport devices, and drive structure for starting the rotation of said second transport device after a predetermined period from the detection of the original document by said original detecting device.