公开(公告)号：US20100248131A1

公开(公告)日：2010-09-30

申请号：US12727300

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： G03G13/16 ,  G03G21/00

CPC分类号： G03G15/0233 ,  G03G15/0291 ,  G03G15/22 ,  G03G21/0017 ,  G03G21/0023 ,  G03G21/0035 ,  G03G2221/1609

摘要： Provided is an image forming apparatus including: a latent image carrier; a lubricant applying unit configured to bring a conductive contact member into contact with a surface of the latent image carrier; a development unit configured to attach toner to the surface of the latent image carrier; and a conductive blade brought into contact with the surface of the latent image carrier at a cleaning position, wherein a bias is applied to at least one of the conductive contact member and the conductive blade such that the surface of the latent image carrier is electrified, and wherein, as the durability of the conductive blade is prolonged, a ratio of the electrification of the surface of the latent image carrier by the conductive blade and the electrification of the surface of the latent image carrier by the conductive contact member is changed.

摘要翻译： 提供一种图像形成装置，包括：潜像载体; 润滑剂施加单元，其构造成使导电接触构件与所述潜像载体的表面接触; 显影单元，其构造成将调色剂附着到潜像载体的表面; 以及在清洁位置与所述潜像载体的表面接触的导电片，其中，对所述导电接触构件和所述导电片中的至少一个施加偏压使得所述潜像载体的表面通电， 并且其中，随着导电性叶片的耐久性延长，导电性刮片的潜像载体的表面带电率与潜像载体的表面的导通性发生变化。

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。

公开(公告)号：US20100247187A1

公开(公告)日：2010-09-30

申请号：US12727678

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： G03G21/10

CPC分类号： G03G21/0017 ,  G03G21/0023 ,  G03G2221/0005

摘要： An image forming apparatus includes: a latent image carrier which circumferentially rotates in a predetermined rotational direction; a lubricant applying unit which applies a lubricant on a surface of the latent image carrier in a predetermined application position; a developing unit which adheres a toner including an additive having an abrasion effect onto the surface of the latent image carrier on which the lubricant is coated to form a toner image, in a development position located on a downstream side of the application position in the rotational direction; and a conductive blade which cleans and removes the toner on the surface of the latent image carrier in contact with the surface of the latent image carrier, and charges the surface of the latent image carrier, in a cleaning and charging position located on an upstream side of the development 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; 润滑剂施加单元，其在预定施加位置中在所述潜像载体的表面上施加润滑剂; 显影单元，其将包含具有磨损效果的添加剂的调色剂粘附在其上涂覆有润滑剂的潜像载体的表面上以形成调色剂图像，所述显影位置位于旋转的施加位置的下游侧的显影位置 方向; 以及导电叶片，其清洁和去除与潜像载体的表面接触的潜像载体的表面上的调色剂，并且在位于上游侧的清洁和充电位置对潜像载体的表面进行充电 的旋转方向的发展位置。

公开(公告)号：US20100150619A1

公开(公告)日：2010-06-17

申请号：US12620703

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

CPC分类号： G03G15/0818 ,  G03G2215/0634

摘要： Provided is a development device including: a development roller in which continuous spiraling inclined grooves having different inclinations with respect to an axial direction are formed so as to cross each other; and a feed roller which is in contact with the development roller and feeds toner to the development roller, wherein transportation force, which is used for transporting the toner on the development roller from one side to the other side of the axial direction of the development roller, is generated by the rotation of the feed roller.

摘要翻译： 提供一种显影装置，包括：显影辊，其中形成有相对于轴向方向具有不同倾斜度的连续螺旋倾斜槽，以便彼此交叉; 以及与显影辊接触并将调色剂供给到显影辊的进给辊，其中用于将显影辊上的调色剂从显影辊轴向方向的一侧传送到另一侧的输送力 由进给辊的旋转产生。

公开(公告)号：US20090290900A1

公开(公告)日：2009-11-26

申请号：US12429084

申请日：2009-04-23

申请人： Masahiro MAEDA ,  Tomohiro ARUGA ,  Yoichi YAMADA ,  Takatomo FUKUMOTO

发明人： Masahiro MAEDA ,  Tomohiro ARUGA ,  Yoichi YAMADA ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G15/0898

摘要： A developing device includes: a housing that stores toner therein; a toner carrying roller that is attached to the housing by a shaft and is rotated in a predetermined rotation direction while carrying charged toner on a surface of the toner carrying roller to transport the toner to the outside of the housing; and a seal member that extends in a direction of a rotation axis of the toner carrying roller and has one end fixed to the housing and the other end in contact with the surface of the toner carrying roller to prevent the toner from leaking out of the housing, wherein a plurality of convex portions having top surfaces constituting a part of the same cylindrical surface are formed on the surface of the toner carrying roller, and at least a part of the seal member in contact with the surface of the toner carrying roller is made of a material having a contact angle of 105° or more with respect to water.

摘要翻译： 显影装置包括：在其中存储调色剂的壳体; 调色剂承载辊，其通过轴附接到壳体并且在将带电调色剂携带在调色剂承载辊的表面上以预定的旋转方向旋转以将调色剂输送到壳体的外部; 以及密封构件，其沿着调色剂承载辊的旋转轴线的方向延伸，并且一端固定到壳体，另一端与调色剂承载辊的表面接触，以防止调色剂从壳体泄漏 其中，在调色剂承载辊的表面上形成有多个凸起部分，其具有构成同一圆柱形表面的一部分的顶表面，并且与该调色剂承载辊的表面接触的密封件的至少一部分被制成 相对于水的接触角为105°以上的材料。

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。

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

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。

公开(公告)号：US20070110481A1

公开(公告)日：2007-05-17

申请号：US11556041

申请日：2006-11-02

申请人： Yoichi YAMADA ,  Tomohiro ARUGA ,  Noboru SAKURAI ,  Katsumi OKAMOTO ,  Hiroshi KATO ,  Masanao KUNUGI ,  Takatomo FUKUMOTO

发明人： Yoichi YAMADA ,  Tomohiro ARUGA ,  Noboru SAKURAI ,  Katsumi OKAMOTO ,  Hiroshi KATO ,  Masanao KUNUGI ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0634

摘要： A developing device includes a toner particle-bearing roller that bears toner particles on its surface and develops a latent image borne by an image-bearing member with those toner particles, the toner particle-bearing roller has a projection portion disposed on its surface, the projection portion having a top surface having a flat portion, and a width of the top surface being equal to or more than a volume average particle diameter of the toner particles.

摘要翻译： 显影装置包括：调色剂颗粒承载辊，其表面上带有调色剂颗粒，并且通过这些调色剂颗粒显影由图像承载部件承载的潜像，调色剂颗粒承载辊具有设置在其表面上的突出部分， 突起部分具有平坦部分的顶表面，并且顶表面的宽度等于或大于调色剂颗粒的体积平均粒径。

公开(公告)号：US20100008699A1

公开(公告)日：2010-01-14

申请号：US12498216

申请日：2009-07-06

申请人： Masaru KOBASHI ,  Yoichi YAMADA ,  Koji MIGITA ,  Takatomo FUKUMOTO

发明人： Masaru KOBASHI ,  Yoichi YAMADA ,  Koji MIGITA ,  Takatomo FUKUMOTO

IPC分类号： G03G21/00

CPC分类号： G03G21/0035 ,  G03G2221/0005

摘要： An image forming apparatus includes: an image carrier; an exposure device; a developing device that develops the latent image on the image carrier by using a toner charged to a predetermined polarity and having an external additive; a transfer device that transfers a toner image developed on the image carrier to a transfer medium; a first charging member that charges the external additive and the transfer residual toner remaining on the image carrier and the image carrier after transfer to the same polarity as a polarity of the toner; a cleaning member that electrostatically attracts the external additive and the transfer residual toner charged by the first charging member; and a second charging member that charges the image carrier to an electric potential smaller in absolute value than an electric potential of the image carrier generated after the image carrier passes the cleaning member.

摘要翻译： 图像形成装置包括：图像载体; 曝光装置; 显影装置，其通过使用以预定极性被加载并具有外部添加剂的调色剂来显影图像载体上的潜像; 转印装置，将在图像载体上显影的调色剂图像转印到转印介质上; 第一充电构件，其在转印到与调色剂的极性相同的极性之后对外部添加剂和残留在图像载体上的转印残余调色剂和图像载体进行充电; 清洁部件，其静电吸引由第一充电部件充电的外部添加剂和转印残留调色剂; 以及第二充电构件，其将图像载体充电到比图像载体通过清洁构件之后产生的图像载体的电位的绝对值更小的电位。