| Patent application number | Description | Published |
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| 20090200726 | FINISHER, SHEET DISCHARGING METHOD AND IMAGE FORMING APPARATUS - A conveying unit has a nipping hook to nip a sheet bundle and conveys the sheet bundle while nipping the sheet bundle with the nipping hook. A discharge roller sequentially discharges the sheet bundle conveyed by the conveying unit. A stack unit stacks the sheet bundle conveyed by the conveying unit. A shutter is provided between the discharge roller and the stack unit. A push-out lever is fixed to the discharge roller. An opening is provided on one side of the shutter, and a push-out part which causes the push-out lever to protrude to the stack unit from the opening of the shutter with a rotation of the nipping pawl is provided on the nipping hook. The push-out lever caused to protrude to the stack unit by the push-out part pushes out the sheet bundle to the stack unit in accordance with the rotation of the nipping hook. | 08-13-2009 |
| 20090309296 | IMAGE FORMING APPARATUS AND METHOD OF MANAGING DISCHARGED SHEETS - In so-called an image forming apparatus of an in-body paper discharging type, a technology which improves convenience of handling of sheets discharged from the apparatus is provided. | 12-17-2009 |
| 20100194036 | IMAGE FORMING APPARATUS - An image forming apparatus of an intra-body paper discharge type includes: a sheet discharge port for discharging a sheet to an intra-body space; a movable tray on which the sheet discharged from the sheet discharge port can be stacked, the movable tray having a guided section guided when the movable tray moves with respect to the sheet discharge port; and a guide section provided on a sidewall parallel to a sheet discharging direction from the sheet discharge port among sidewalls forming the intra-body space, the guide section being configured to guide the guided section of the movable tray such that the movable tray can move between a receiving position for receiving the sheet discharged from the sheet discharge port and a retracted position for allowing the sheet discharged from the sheet discharge port to drop to a floor surface of the intra-body space. | 08-05-2010 |
| 20100322692 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - A sheet processing apparatus includes a conveying motor for conveying a sheet along a conveying path, a skew detecting unit configured to detect a quantity of skew of the conveyed sheet, a hole punching section arranged downstream from the skew detecting unit, an attitude control unit configured to carry out skew correction by changing tilt angle of the hole punching section in accordance with the quantity of skew, a detecting unit configured to detect the forward edge and the rear edge of the sheet conveyed into the hole punching section, and a control unit configured to control the conveying motor to control the conveying speed of the sheet. During a period from when the detecting unit detects the forward edge of the sheet until the detecting unit detects the rear edge, the sheet is decelerated from a first conveying speed to a second conveying speed. After the detecting unit detects the rear edge of the sheet, the conveying of the sheet is stopped and punching processing to the sheet is executed when the conveying is stopped. | 12-23-2010 |
| 20110065574 | IMAGE DECOLORING APPARATUS, IMAGE DECOLORING METHOD, AND SHEET TRANSFER APPARATUS - The present invention provides an image decoloring apparatus including a plurality of, at least three, sheet load portions, each of the portions being able to be loaded with a sheet, an decoloring portion which performs decoloring an image on a sheet formed with the decolorable colorant, a first sheet transfer portion which transfers the sheet loaded in each of the plurality of sheet load portions to the decoloring portion, and a second sheet transfer portion which transfers the sheet after the decoloring is performed thereto by the decoloring portion to each of the plurality of sheet load portions. | 03-17-2011 |
| 20110074086 | DECOLORIZING DEVICE AND METHOD FOR CONTROLLING DECOLORIZING DEVICE - According to one embodiment, a decolorizing device includes a first stacker to stack sheets to be decolorized images on the sheets, a second stacker arranged adjacent to the first stacker, wherein the sheets stacked on the first stacker is kept waiting on the second stacker in order to be decolorized the images, a pressing unit to urge the sheets stacked on the second stacker downward and keep the sheets stacked on the second stacker flat, an image decolorizing unit to decolorize the images on the sheets, and a sheet feed unit positioned on an upper surface of the pressing unit to convey the sheets pressed on the pressing unit from the second stacker to the image decolorizing unit. | 03-31-2011 |
| 20110221183 | DECOLORING DEVICE, SHEET FEED METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING SHEET FEED PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a first sheet feed unit, a thickness detecting unit, a decolorability determining unit, and a second sheet feed unit. The first sheet conveying unit conveys the sheet to the decoloring unit. The first sheet feed unit feeds the sheet to the first sheet conveying unit. The decolorability determining unit determines whether or not the sheet which is subject to thickness detecting is decolorable by the decoloring unit based on a detection result in the thickness detecting unit. A second sheet feed unit is disposed at a downstream side in relation to the thickness detecting unit and at an upstream side in relation to the decoloring unit in a sheet conveying path by the first sheet conveying unit and feeds the sheet to the first sheet conveying unit. | 09-15-2011 |
| 20110221851 | PRINT STATE DETECTING DEVICE FOR PRINTED SHEET SURFACE, ERASING APPARATUS, AND PRINT STATE DETECTION METHOD FOR PRINTED SHEET SURFACE - There is provided a print state detection device for a printed sheet surface including a sheet conveying path on which a sheet printed with an image is conveyed, a contact member that contacts with the surface of the sheet moving on the sheet conveying path, a contact state detecting part that detects a physical phenomenon occurring when the contact member contacts with the sheet, a separating part that separates the difference in the physical phenomenon occurring when the contact member comes into contact with the ground of the sheet surface and when the contact member comes into contact with an image, based on detection information obtained by the detection of the contact state detecting part, and a print state determining part that determines the print state of an image on one sheet based on separation information obtained by the separation by the separating part. | 09-15-2011 |
| 20110221852 | Printing Sheet Reusability Determination Device, Erasing Device, Image Forming Device, and Printing Sheet Reusability Determination Method - A printing sheet reusability determination device includes a sheet carrying path that carries a second state sheet obtained by erasing an erasable image from a first state sheet on which the erasable image is printed, an imaging portion that images the second state sheet on the sheet carrying path, an illumination portion that illuminates the second state sheet on the sheet carrying path at a first irradiation angle when images remaining on the second state sheet are photographed, and at a second irradiation angle smaller than the first irradiation angle when a projected image generated by illuminating the second state sheet is photographed, an irradiation angle changing portion that changes the first irradiation angle and the second irradiation angle, and a reusability determination portion that determines whether or not to reuse the second state sheet based on imaging information obtained by the imaging of the imaging portion at the first irradiation angle and determines whether or not to reuse the second state sheet based on imaging information obtained by the imaging of the imaging portion at the second irradiation angle. | 09-15-2011 |
| 20110221853 | DEVICE DETECTING CURL OF SHEET AND IMAGE ERASING DEVICE - There is provided a device detecting curling of a sheet, the device including a first guide member carrying the sheet; a second guide member including a carriage path that is broader than the carriage path of the first guide member and accepting the curling of the sheet; and sensors with detection ranges into which a portion of the curling of the sheet enters, in the carriage path of the second guide member. | 09-15-2011 |
| 20110222084 | DECOLORING DEVICE, SHEET CONVEYING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING SHEET CONVEYING PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a second sheet conveying unit, a reversing and conveying unit, a manual feed tray, and a manual discharge tray. The reversing and conveying unit is disposed adjacent to an outer wall of the decoloring device in relation to the first sheet conveying unit, and conveys once again the sheet, which is temporarily brought into the second sheet conveying unit after being decolored by the decoloring unit and is switch-back conveyed, to the first sheet conveying unit. The manual feed tray is provided at an outer wall side of the decoloring device adjacent to the reversing and conveying unit. The manual discharge tray is provided at a position of the outer wall side of the decoloring device adjacent to the reversing and conveying unit. | 09-15-2011 |
| 20110222130 | DECOLORING DEVICE, METHOD OF DETERMINING DECOLORING SUCCESS OR FAILURE AND COMPUTER-READABLE RECORDING MEDIUM RECORDING DECOLORING SUCCESS OR FAILURE DETERMINING PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a pre-decoloring reading unit, a type determining unit, a second sheet conveying unit, a post-decoloring reading unit, a decoloring success or failure determining unit, and a determination criterion setting unit. The type determining unit determines the type of image on the sheet conveyed to the decoloring unit based on the reading result in the pre-decoloring reading unit. The post-decoloring reading unit reads an image on the sheet after the decoloring, which is conveyed by the second sheet conveying unit. The decoloring success or failure determining unit determines whether or not the decoloring in the decoloring unit is successful based on the reading result in the post-decoloring reading unit. The determination criterion setting unit sets a determination criterion in the decoloring success or failure determining unit, based on the type of image, which is determined by the type determining unit. | 09-15-2011 |
| 20110222131 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus includes a scanning unit, a memory unit, an erasing unit, and a carrying unit. The scanning unit converts an image formed on a sheet into image data which is electronic data. The memory unit stores the image data converted by the scanning unit. The erasing unit erases the image formed on the sheet. The carrying unit carries the sheet to the scanning unit and the erasing unit in this order. | 09-15-2011 |
| 20110222937 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device has an image forming portion, a heating portion and a supplying portion. The image forming portion forms an image on a sheet. The heating portion heats the sheet on which the image is formed by the image forming portion at a predetermined temperature, to thereby fix the image on the sheet. The supplying portion supplies the sheet on which an image is fixed previously. Further, the heating portion heats the sheet on which the image is fixed and which is supplied from the supplying portion at a temperature higher than the predetermined temperature to thereby remove the image. | 09-15-2011 |
| 20110222951 | ERASING DEVICE, IMAGE FORMING APPARATUS, SHEET CASSETTE COMMON USE SYSTEM, AND A STORING METHOD OF ERASE-PROCESSED SHEETS - An erasing device includes an image erasing portion that erases an erasable image which is printed on a sheet using an erasable color material, a reusability determination portion that determines whether or not to reuse the sheet obtained by erasing the erasable image by the image erasing portion; a sorting carrying portion that carries the determined sheets to a carrying destination for reusable sheets and a carrying destination for non-reusable sheets according to the determination result from the reusability determination portion; a common sheet cassette that can be used in an image forming apparatus and detachably installed in the carrying destination for reusable sheets, and that stacks and contains the sheets from the sorting carrying portion therein; a storage medium that is installed in the common sheet cassette; and a communication portion that stores information regarding the sheets contained in the common sheet cassette in the storage medium. | 09-15-2011 |
