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    Image Forming Apparatus and Image Forming Method
    2.
    发明申请
    Image Forming Apparatus and Image Forming Method 有权
    图像形成装置和图像形成方法

    公开(公告)号：US20100061775A1

    公开(公告)日：2010-03-11

    申请号：US12511848

    申请日：2009-07-29

    申请人： Yoichi YAMADA ,  Daisuke MATSUMOTO ,  Takatomo FUKUMOTO

    发明人： Yoichi YAMADA ,  Daisuke MATSUMOTO ,  Takatomo FUKUMOTO

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0813 ,  G03G2215/0619

    摘要： An image forming apparatus includes: a latent image holder that holds on its surface an electrostatic latent image in which an image portion and a non-image portion have different potentials; a toner carrying roller that carries a toner layer including both contact toner which directly contacts a surface of the roller and non-contact toner which contacts the contact toner but does not contact the surface of the roller; and an electric field forming unit that forms an alternating electric field to cause an electric field strength exerted between the non-image portion on the surface of the latent image holder and the surface of the toner carrying roller to be lower than a contact toner fly start electric field strength and higher than a non-contact toner fly start electric field strength, between the latent image holder and the toner carrying roller, as a toner fly electric field.

    摘要翻译： 图像形成装置包括：潜像保持器，其在其表面上保持图像部分和非图像部分具有不同电位的静电潜像; 携带调色剂层的调色剂承载辊，其包括直接接触辊表面的接触调色剂和与接触调色剂接触但不接触辊的表面的非接触式调色剂; 以及电场形成单元，其形成交变电场以使施加在潜像保持器的表面上的非图像部分和调色剂承载辊的表面之间的电场强度低于接触式调色剂起始点 作为调色剂飞电场，在潜像保持器和调色剂承载辊之间，电场强度高于非接触式调色剂起飞电场强度。

    DEVELOPING ROLLER MANUFACTURING METHOD, DEVELOPING ROLLER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS
    3.
    发明申请
    DEVELOPING ROLLER MANUFACTURING METHOD, DEVELOPING ROLLER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS 有权
    开发滚子制造方法，开发滚子，开发装置和图像形成装置

    公开(公告)号：US20100150617A1

    公开(公告)日：2010-06-17

    申请号：US12620693

    申请日：2009-11-18

    申请人： Masahiro MAEDA ,  Yoichi YAMADA ,  Yoshiyuki KUREBAYASHI ,  Daisuke MATSUMOTO ,  Masaru KOBASHI ,  Takatomo FUKUMOTO

    发明人： Masahiro MAEDA ,  Yoichi YAMADA ,  Yoshiyuki KUREBAYASHI ,  Daisuke MATSUMOTO ,  Masaru KOBASHI ,  Takatomo FUKUMOTO

    IPC分类号： G03G15/08 ,  B21K1/02 ,  B21D53/00

    CPC分类号： G03G15/0818 ,  B21H7/18 ,  G03G2215/0634 ,  Y10T29/4956

    摘要： A method of manufacturing a developing roller, including: a first rolling process for forming a first inclined groove which is continuous in a helical shape, by rotating a first die having blades inclined with respect to an axial direction and a circumferential direction, and a non-bladed die, and feeding an unprocessed developing roller between the first die and the non-bladed die; and a second rolling process for forming a second inclined groove which is continuous in a helical shape and intersects with the first inclined groove, by rotating a second die having blades inclined with respect to an axial direction and a circumferential direction in the direction opposite to that of the first die, and the non-bladed die in the same direction opposite to that in the first rolling process, and feeding the developing roller between the second die and the non-bladed die.

    摘要翻译： 一种显影辊的制造方法，其特征在于，包括：第一轧制工序，其通过旋转具有相对于轴向和圆周方向倾斜的叶片的第一模具形成螺旋状连续的第一倾斜槽， 在第一模具和非叶片模具之间进给未加工的显影辊; 以及第二轧制工艺，用于形成第二倾斜槽，该第二倾斜槽与螺旋形连续并与第一倾斜槽相交，通过旋转具有相对于轴向方向和圆周方向相对于轴向方向和圆周方向倾斜的叶片的第二模具， 的第一模具和非叶片模具在与第一轧制过程相反的方向上，并且将显影辊馈送在第二模具和非叶片模具之间。

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    5.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
    图像形成装置和图像形成方法

    公开(公告)号：US20100143005A1

    公开(公告)日：2010-06-10

    申请号：US12621718

    申请日：2009-11-19

    申请人： Yoichi YAMADA ,  Atsunori KITAZAWA ,  Takatomo FUKUMOTO

    发明人： Yoichi YAMADA ,  Atsunori KITAZAWA ,  Takatomo FUKUMOTO

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0818

    摘要： Provided is an image forming apparatus including: a latent image carrier; a charging unit; a latent image forming unit; a developing unit; a transferring unit; and a cleaning unit, wherein a voltage of the non-image portion of the latent image carrier is Vo, a voltage of the developing bias at the time when a force generated to bias the toner charged with the regular charging polarity in a direction from the latent image carrier to the toner carrier is maximum is Vmax, and a voltage of the developing bias at the time when a force generated to bias the toner charged with the regular charging polarity in a direction from the toner carrier to the latent image carrier is maximum is Vmin, in the developing position, an equation |Vmax−Vo|>|Vmin−Vo| is satisfied.

    摘要翻译： 提供一种图像形成装置，包括：潜像载体; 充电单元; 潜像形成单元; 一个发展单位; 转移单元; 以及清洁单元，其中所述潜像载体的非图像​​部分的电压为Vo，所述显影偏压的电压，所述显影偏压在产生以将来自所述潜像载体的方向 对于调色剂载体的潜像载体的最大值为Vmax，当在从调色剂载体向潜像载体的方向上以正常充电极性带电的调色剂产生的力产生的力时显影偏压的电压最大 是Vmin，处于显影位置，方程| Vmax-Vo |> | Vmin-Vo | 满意

    Image Forming Apparatus and Image Forming Method
    6.
    发明申请
    Image Forming Apparatus and Image Forming Method 有权
    图像形成装置和图像形成方法

    公开(公告)号：US20100021190A1

    公开(公告)日：2010-01-28

    申请号：US12489248

    申请日：2009-06-22

    申请人： Masaru KOBASHI ,  Yoichi YAMADA ,  Takatomo FUKUMOTO

    发明人： Masaru KOBASHI ,  Yoichi YAMADA ,  Takatomo FUKUMOTO

    IPC分类号： G03G15/02 ,  G03G21/00

    CPC分类号： G03G15/0258

    摘要： An image forming method includes supplying a protective agent to an image carrier, and charging the image carrier by a plurality of charging units, wherein degrees of discharge deterioration of the surface of the image carrier in the plurality of charging units are different, and wherein, in the amounts of protective agent supplied to charging portions of the plurality of charging units, the amount of protective agent supplied to a charging portion, in which a degree of discharge deterioration of the surface of the image carrier is high, is large.

    摘要翻译： 图像形成方法包括向图像载体提供保护剂，并且通过多个充电单元对图像载体进行充电，其中多个充电单元中的图像载体的表面的放电劣化程度不同，并且其中， 在供给到多个充电单元的充电部的保护剂的量中，供给到图像载体的表面的放电劣化程度高的充电部的保护剂的量大。

    Developer Apparatus, Image Forming Apparatus and Image Forming Method
    7.
    发明申请
    Developer Apparatus, Image Forming Apparatus and Image Forming Method 有权
    显影装置，成像装置及成像方法

    公开(公告)号：US20090110444A1

    公开(公告)日：2009-04-30

    申请号：US12254190

    申请日：2008-10-20

    申请人： Yoichi YAMADA ,  Takatomo FUKUMOTO

    发明人： Yoichi YAMADA ,  Takatomo FUKUMOTO

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0818 ,  G03G15/0812 ,  G03G2215/0844

    摘要： A developer apparatus, includes: a toner carrier roller which rotates while carrying a toner layer of charged toner on its surface, the toner carrier being shaped approximately like a cylinder and being provided, on a surface thereof, with a plurality of convex sections, which are regularly arranged along a width direction parallel to a rotation shaft of the toner carrier roller and a circumferential direction which is along a circumferential surface of the toner carrier roller, and concave sections which surround the convex sections; and a restriction member which abuts on the surface of the toner carrier roller, thereby restricting the toner layers which are carried on the surface of the toner carrier roller, the restriction member including an elastic abutting member formed by an elastic material, the elastic abutting member which includes an edge part which extends along the width direction parallel to the rotation shaft of the toner carrier roller and abuts on the surface of the toner carrier roller, wherein within a restriction nip which is created as the toner carrier roller and the restriction member abut on each other, a plurality of abutting segments where the edge part abuts on the plurality of convex sections and opening segments where the edge part and the concave sections are opposed each other with a gap between each other appear alternately along the width direction, and in the opening segments, the edge part of the elastic abutting member bulges toward bottom of the concave sections beyond linear lines which connect top surfaces of two adjacent convex sections which are on both sides to the concave sections which are opposed to the edge part.

    摘要翻译： 一种显影装置，包括：调色剂承载辊，在其表面上承载带电调色剂的调色剂层的同时旋转，调色剂载体的形状大致像圆筒一样，并在其表面上设置有多个凸部， 沿着平行于调色剂承载辊的旋转轴的宽度方向和沿着调色剂承载辊的圆周表面的圆周方向以及包围凸部的凹部均匀地排列; 以及限制构件，其邻接调色剂承载辊的表面，从而限制承载在调色剂承载辊的表面上的调色剂层，该限制构件包括由弹性材料形成的弹性抵接构件，该弹性抵接构件 其包括边缘部分，其沿着平行于调色剂承载辊的旋转轴的宽度方向延伸并抵靠在调色剂承载辊的表面上，其中在作为调色剂承载辊和限制件邻接的限制夹紧部内 彼此相邻的多个邻接部分，其中边缘部分邻接在多个凸部和开口部分之间，其中边缘部分和凹部彼此间彼此间隔开，并且沿着宽度方向交替显示，并且在 开口部分，弹性抵接部件的边缘部分朝着凹形部分的底部凸出超过线性线 其将两侧的两个相邻凸部的顶面连接到与边缘部相对的凹部。

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    10.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
    图像形成装置和图像形成方法

    公开(公告)号：US20100248129A1

    公开(公告)日：2010-09-30

    申请号：US12727310

    申请日：2010-03-19

    申请人： Masahiro MAEDA ,  Yoichi YAMADA ,  Masaru KOBASHI ,  Tomohiro ARUGA ,  Takatomo FUKUMOTO ,  Atsunori KITAZAWA

    发明人： Masahiro MAEDA ,  Yoichi YAMADA ,  Masaru KOBASHI ,  Tomohiro ARUGA ,  Takatomo FUKUMOTO ,  Atsunori KITAZAWA

    IPC分类号： G03G21/00 ,  G03G15/02

    CPC分类号： G03G15/0233 ,  G03G15/0291 ,  G03G15/22 ,  G03G21/0017 ,  G03G21/0023

    摘要： An image forming apparatus includes: a latent image carrier which circumferentially rotates in a predetermined rotational direction; a conductive blade which cleans a surface of the latent image carrier by being in contact with the surface of the latent image carrier, and charges the surface of the latent image carrier at a first electric potential having the same polarity as normal charged polarity of a toner according to application of direct current voltage having the same polarity as the normal charged polarity of the toner, in a predetermined cleaning and charging position; and a charger which provides electric charge having reverse polarity to the normal charged polarity and adjusts an electric potential of the surface of the latent image carrier to a second electric potential, in a secondary charging position located on a downstream side of the cleaning and charging position in the rotational direction.

    摘要翻译： 图像形成装置包括：潜像载体，其沿预定旋转方向周向旋转; 导电叶片，其通过与潜像载体的表面接触来清洁潜像载体的表面，并且以与正常的调色剂的带电极性相同极性的第一电位对潜像载体的表面进行充电 根据应用具有与调色剂的正常带电极性相同极性的直流电压，在预定的清洗和充电位置; 以及充电器，其提供具有与正常充电极性相反极性的电荷，并且在位于清洁和充电位置的下游侧的二次充电位置中将潜像载体的表面的电位调节到第二电位 在旋转方向。