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    • 2. 发明公开
    • Image forming apparatus
    • 成像设备
    • EP2669750A1
    • 2013-12-04
    • EP13002828.5
    • 2013-05-31
    • Kyocera Document Solutions Inc.
    • Okamoto, SueakiKikuchi, Einosuke
    • G03G15/16G03G15/00
    • G03G15/6555G03G15/1695G03G15/6558G03G15/6594
    • An image forming apparatus includes an image bearing member and a transfer member, which form a transfer nip portion, and a guide member for guiding a sheet to the transfer nip portion. The guide member includes a rigid restricting member including a guide surface, a cut portion formed at a leading edge part of the guide surface, and a sheet-like elastic restricting member to cover the cut portion. The elastic restricting member includes an end edge portion extending straight in the sheet width direction on a downstream side in the sheet conveying direction. A ridge defining the leading edge part of the guide surface is a ridge extending straight in the sheet width direction, and the end edge portion of the elastic restricting member is arranged at a position shifted toward an upstream side in the sheet conveying direction from the ridge of the guide surface.
    • 一种图像形成设备包括:形成转印夹持部分的图像承载部件和转印部件;以及用于将片材引导至转印夹持部分的导向部件。 引导构件包括刚性限制构件,该刚性限制构件包括引导表面,形成在引导表面的前缘部分处的切口部分以及覆盖切割部分的片状弹性限制构件。 弹性限制构件包括在片材输送方向的下游侧沿片材宽度方向笔直延伸的端部边缘部分。 限定引导表面的引导边缘部分的脊是在片材宽度方向上直线延伸的脊,并且弹性限制构件的端部边缘部分布置在朝向片材传送方向上的上游侧从脊 的导向面。
    • 4. 发明公开
    • Image forming apparatus
    • 成像设备
    • EP2333612A1
    • 2011-06-15
    • EP10194934.5
    • 2010-12-14
    • Canon Kabushiki Kaisha
    • Torimaru, Yuusuke
    • G03G15/00G03G15/16
    • G03G15/657G03G15/1695G03G2215/00649G03G2215/00654
    • An image forming apparatus comprising: an image bearing member(6); a conveying member(24); a transfer means(9); an attraction means(28a), which is disposed upstream of the transfer means(9) in a conveying direction of the transfer material, for attracting the transfer material onto the conveying member(24); and a winding means(26), which is disposed downstream of the transfer means(9) in the conveying direction of the transfer material, for winding the conveying member(24), wherein a contact amount between the conveying member(24) and the winding means(26) corresponding to a first region where a width of the attraction means(28a) pressing the conveying member(24) in the conveying direction is a first width is smaller than the contact amount between the conveying member(24) and the winding means(26) corresponding to a second region in which a width of the attraction means(28a) which presses the conveying member(24) in the conveying direction is a second width that is smaller than the first width.
    • 一种图像形成设备,包括:图像承载部件; 传送部件(24); 一个传送装置(9); 吸引装置(28a),其沿着所述转印材料的传送方向设置在所述转印装置(9)的上游,用于将所述转印材料吸引到所述传送构件(24)上; 和一个在转印材料的输送方向上设置在转印装置(9)的下游用于卷绕输送元件(24)的卷绕装置(26),其中输送元件(24)和 所述第一区域对应于所述吸附装置在所述输送方向上按压所述输送构件的宽度为第一宽度的第一区域,所述第一区域与所述输送构件与所述输送构件之间的接触量小于所述输送构件与所述输送构件之间的接触量, (26),其对应于在输送方向上按压输送部件(24)的吸引装置(28a)的宽度小于第一宽度的第二宽度的第二区域。
    • 5. 发明公开
    • Image forming apparatus
    • 成像设备
    • EP2325702A1
    • 2011-05-25
    • EP10191654.2
    • 2010-11-18
    • Canon Kabushiki Kaisha
    • Takayanagi, Hiroki
    • G03G15/16
    • G03G15/1605G03G15/1695G03G2215/1666
    • An image forming apparatus includes an image bearing member; an image forming portion for forming a toner image on the image bearing member; an intermediary transfer belt for carrying the toner image transferred from the image bearing member; a transfer belt for carrying and conveying a recording material; an attraction portion for electrostatically attracting the recording material to the transfer belt; a transfer portion for transferring the toner image from the intermediary transfer belt onto the recording material attracted to the transfer belt; and an electrode member, disposed downstream of the attraction portion and upstream of the transfer portion with respect to a movement direction of the transfer belt, being contacted to an inner surface of the transfer belt.
    • 一种图像形成设备,包括图像承载部件; 图像形成部分,用于在图像承载部件上形成调色剂图像; 中间转印带,用于承载从图像承载部件转印的调色剂图像; 用于承载和输送记录材料的转印带; 吸引部分,用于将记录材料静电吸引到转印带; 转印部分,用于将调色剂图像从中间转印带转印到被吸引到转印带上的记录材料上; 以及电极部件,所述电极部件设置在所述吸引部分的下游并且相对于所述转印带的运动方向位于所述转印部分的上游,并与所述转印带的内表面接触。
    • 8. 发明公开
    • Image forming apparatus.
    • Bilderzeugungsgerät。
    • EP0666518A3
    • 1998-09-02
    • EP95101506
    • 1995-02-03
    • SHARP KK
    • YAMAUCHI KOUICHITACHIKI HIROSHIYOSHIMOTO HIROMUKATOH ATSUYUKIAKAGAWA YUHIOHNO TAKAYUKITATEISHI YOSHINOBUFUKUNAGA KEIZOTERADA MITSUYOSHISHIMAZU FUMIOABE TAKUYATOIZUMI KIYOSHI
    • G03G15/00G03G15/16G03G15/20
    • G03G15/6564G03G15/167G03G15/1695G03G15/2028G03G2215/00679G03G2215/00734G03G2215/00738G03G2215/00742
    • An image forming apparatus includes a photoreceptor drum (15) on which a toner image is formed, a transfer drum (11) for transferring the toner image to paper by bringing the paper into contact with the photoreceptor drum (15), the transfer drum (11) having a dielectric layer (28), a semi-conductive layer (27) and a conductive layer (26) laminated in this order from the paper side, a power source which is connected to the conductive layer so as to apply a predetermined voltage to the conductive layer (26), and a conductive roller (12) for pressing the paper against a surface of the dielectric layer (28) so as to produce a potential difference between the conductive layer (26) and the paper (P). The potential difference induces charges of the same polarity as the voltage applied to the conductive layer on the surface of the dielectric layer, and charges of the opposite polarity on a back surface of the paper pressed against the surface of the dielectric layer. Thus, the paper electrostatically adheres to the transfer drum (11) in a satisfactory manner. Moreover, unlike charging by atmospheric discharge, since the surface potential of the transfer drum is stable, it is possible to prevent unsatisfactory transfers and improve the image quality.
    • 一种图像形成设备包括:感光鼓(15),其上形成有调色剂图像;转印鼓(11),用于通过使纸与感光鼓(15)接触而将调色剂图像转印到纸上;转印鼓(11) 11),其具有从纸侧依次层压的电介质层(28),半导体层(27)和导电层(26);电源,其连接到导电层以便施加预定的 电压施加到导电层(26)上;以及导电辊(12),用于将纸压靠在介电层(28)的表面上,从而在导电层(26)和纸(P)之间产生电位差, 。 电位差引起与施加到电介质层表面上的导电层的电压相同极性的电荷,并且在压靠电介质层表面的纸的背表面上产生相反极性的电荷。 因此,纸以令人满意的方式静电粘附到转印鼓(11)。 而且,与大气放电的充电不同,由于转印鼓的表面电势稳定,所以可以防止不令人满意的转印并提高图像质量。