Document feeding apparatus
    2.
    发明授权
    Document feeding apparatus 失效
    送纸装置

    公开(公告)号:US4944504A

    公开(公告)日:1990-07-31

    申请号:US155302

    申请日:1988-02-12

    IPC分类号: G03B27/62 G03G15/00

    摘要: A document feeding apparatus wherein a member for regulating the rear end of a document is provided movably in non-stepped manner substantially in a document feeding direction at the back of a document stacker having a paper feeding unit at the forward portion thereof. The movement of the rear end regulating member is controlled by a control device. A movable paper discharging device is provided. The movable paper discharging device has a discharging member, which is trained so as to surround the rear end portion of the document stacker in the shape of letter "C".

    摘要翻译: 一种文件馈送装置,其中用于调节文件的后端的构件基本上在文档堆垛机的背面以非步进方式可移动地位于具有在其前部的送纸单元的文件堆垛机的背面。 后端调节构件的移动由控制装置控制。 提供了可移动的纸张排出装置。 可动纸排出装置具有排出构件,该排出构件以文字“C”的形状被包围着文件堆垛机的后端部分。

    Method for both-side copying and apparatus therefore
    3.
    发明授权
    Method for both-side copying and apparatus therefore 失效
    因此双面复印的方法和装置

    公开(公告)号:US4705389A

    公开(公告)日:1987-11-10

    申请号:US899215

    申请日:1986-08-21

    CPC分类号: G03B27/625 G03G15/234

    摘要: A method and an apparatus for copying images printed on both sides of a document onto both sides of copy sheets uses an automatic document conveying device capable of reversing the side of a document to be copied. Also disclosed is a the resuming method of a copying operation after removing a jammed sheet during the reverse side copying step of the both-sided document and the delivering method of the both-sided document when the copying operation is cancelled.

    摘要翻译: 将在文件两面印刷的图像复印到复印纸的两面上的方法和装置使用能够反转要复印的文档的一面的自动文件传送装置。 还公开了当复印操作被取消时在双面文档的反面复印步骤中移除卡住的纸张和双面文档的传送方法之后的复印操作的恢复方法。

    Image forming device having a moving section
    4.
    发明授权
    Image forming device having a moving section 有权
    具有移动部分的图像形成装置

    公开(公告)号:US08401413B2

    公开(公告)日:2013-03-19

    申请号:US12810833

    申请日:2009-07-21

    IPC分类号: G03G15/20

    摘要: Disclosed is an image forming device which can prevent occurrence of damage on the surface of a fixing roller or a fixing belt due to the contact of the end of a sheet with the fixing roller or fixing belt. The image forming device, for transferring a toner image to a sheet fed out from a sheet feed section and fixing the toner image to the sheet by pressing the sheet carrying the toner image at a fixing section, includes a moving section for moving the sheet and or the fixing section in the direction at right angles to the traveling direction of the sheet within a preset moving range, the moving section being controlled based on a preset operation pattern.

    摘要翻译: 公开了一种图像形成装置,其可以防止由于片材的端部与定影辊或定影带的接触而导致定影辊或定影带的表面的损坏。 图像形成装置用于将调色剂图像转印到从供纸部分送出的片材并且通过将固定部分上带有调色剂图像的片材按压在片材上而将调色剂图像定影到片材上,该移动部件用于移动片材, 或固定部分在与预定移动范围内的片材的行进方向成直角的方向上,基于预设的操作模式来控制移动部分。

    Image forming apparatus
    7.
    发明申请
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US20050186000A1

    公开(公告)日:2005-08-25

    申请号:US10948577

    申请日:2004-09-24

    IPC分类号: G03G15/00

    摘要: An image forming apparatus includes: a fixing device that fixes the toner image onto the recording medium by applying heat and pressure; ejection rollers provided away from the fixing device for ejecting the recording medium; a guide provided on at least one part of a recording medium ejection path between the ejection rollers and the fixing device for guiding a conveyance of the recording medium; at least one spur provided on the guide, having a plurality of teeth on a circumference thereof; and a slit formed on the guide so that the plurality of teeth of the spur are protruded on a side of the recording medium ejection path through the slit, wherein the recording medium is conveyed from the fixing device by bringing the plurality of teeth of the spur into contact with a surface of the recording medium.

    摘要翻译: 图像形成装置包括:定影装置,其通过施加热和压力将调色剂图像定影到记录介质上; 远离定影装置设置的用于喷射记录介质的排出辊; 引导件,设置在排出辊和定影装置之间的记录介质排出路径的至少一部分上,用于引导记录介质的传送; 设置在所述引导件上的至少一个支线,在其圆周上具有多个齿; 以及形成在所述引导件上的狭缝,使得所述支线的所述多个齿通过所述狭缝在所述记录介质排出路径的一侧突出,其中所述记录介质通过使所述支线的所述多个齿 与记录介质的表面接触。

    Recording sheet conveyance device for use with an image forming apparatus
    8.
    发明授权
    Recording sheet conveyance device for use with an image forming apparatus 失效
    与图像形成装置一起使用的记录纸输送装置

    公开(公告)号:US5331386A

    公开(公告)日:1994-07-19

    申请号:US927127

    申请日:1992-08-07

    CPC分类号: G03G15/234

    摘要: A sheet conveyer for conveying a sheet so that an image of a document is duplicated on both sides of the sheet by an image forming machine such as a photocopy machine. The sheet conveyer has; a first conveyance path for conveying the sheet to an image forming section of the image forming machine; a second conveyance path for conveying the sheet from the image forming section to a tray; the tray for holding the sheet; a third conveyance path for conveying the sheet from the tray to the image forming section; and, a pair of nip rollers, located at the vicinity of the tray, for holding the sheet conveyed through the second conveyance path, and forwarding the sheet into the third conveyance path; in which the sheet conveyance apparatus has a first mode that the sheet is forwarded into the third conveyance path by the nip rollers without being placed on the tray, and a second mode that the sheet is once placed on the tray and forwarded into the third conveyance path by the nip rollers.

    摘要翻译: 用于输送纸张的纸张输送机,使得通过诸如复印机的图像形成机器在纸张的两面上复印纸张的图像。 片材输送机有; 用于将片材输送到成像机的图像形成部分的第一输送路径; 用于将纸张从图像形成部分输送到托盘的第二输送路径; 用于保持片材的托盘; 第三输送路径,用于将纸张从托盘输送到图像形成部分; 以及位于托盘附近的一对夹辊,用于保持通过第二输送路径输送的纸张,并将纸张送入第三输送路径; 其中片材输送装置具有第一模式,即片材在不放置在托盘上的情况下通过夹持辊被送进第三输送路径,以及第二模式,即片材一旦被放置在托盘上并被转发到第三输送器 路径由压辊。

    Image forming apparatus with roller formed in inverted crown shape
    10.
    发明授权
    Image forming apparatus with roller formed in inverted crown shape 有权
    具有倒立冠形状的辊的图像形成装置

    公开(公告)号:US08588637B2

    公开(公告)日:2013-11-19

    申请号:US13079971

    申请日:2011-04-05

    IPC分类号: G03G15/16 G03G15/01

    摘要: An image forming apparatus including; an image carrier carrying a toner image; a transfer belt making pressure contact with the image carrier through a sheet of paper and transferring the toner image onto the sheet of paper; a plurality of supporting rollers stretching and supporting the transfer belt; and a transfer roller to which transfer electrical current is applied, as well as making pressure contact of the transfer belt with the image carrier from a back surface of the transfer belt, wherein at least one roller of the supporting rollers is formed in an inverted crown shape with a size of the center portion is smaller than a size of the end portion, and the transfer belt is rotationally driven for a prescribed time without applying transfer electrical current both or in either of before and after transfer of a toner image.

    摘要翻译: 一种图像形成装置,包括: 携带调色剂图像的图像载体; 转印带通过一张纸与图像载体压力接触并将调色剂图像转印到纸上; 多个支撑辊,其拉伸和支撑转印带; 以及转印辊,其中施加有转印电流,并且从转印带的背面使转印带与图像载体压力接触,其中支撑辊的至少一个辊形成为倒置的冠 具有中心部分尺寸的形状小于端部的尺寸,并且转印带被旋转驱动规定时间,而不转印调色剂图像之前和之后的转印电流。