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1. 发明申请

US20100248131A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
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。

2. 发明申请

US20090290900A1 Developing Device, Image Forming Apparatus, and Method of Manufacturing Developing Device 审中-公开
标题翻译：显影装置，图像形成装置以及制造显影装置的制造方法
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。

3. 发明申请

US20090185838A1 Method of Manufacturing Toner Carrier Roller, Developer Apparatus, and Image Forming Apparatus 有权
标题翻译：制造调色剂载体辊，显影装置和成像装置的方法
公开(公告)号：US20090185838A1
公开(公告)日：2009-07-23
申请号：US12354600
申请日：2009-01-15
申请人： Tomohiro ARUGA , Masahiro MAEDA
发明人： Tomohiro ARUGA , Masahiro MAEDA
IPC分类号： G03G15/08 , B21D53/00
CPC分类号： G03G15/0818 , Y10T29/49544
摘要： A method of manufacturing a toner carrier roller that is shaped like a cylinder on an outer circumferential surface of which concave and convex sections for carrying toner are provided, includes: preparing a roller base member which is shaped like a cylinder; forming helix-like first grooves on the outer circumferential surface of the roller base member; and forming helix-like second grooves, which cross the first grooves, on the outer circumferential surface of the roller base member, wherein a pitch ratio of the first grooves and the second grooves is a non-integer ratio.
摘要翻译：一种制造调色剂承载辊的方法，该调色剂承载辊在其外圆周表面上形成为具有用于承载调色剂的凹凸部分的圆筒，包括：制备成形为圆筒的辊基部件; 在辊基体的外周面上形成螺旋状的第一槽; 以及在所述辊基体的外周面上形成与所述第一槽交叉的螺旋状的第二槽，所述第一槽与所述第二槽的间距比为非整数比。

4. 发明申请

US20090185819A1 Developing Device, an Image Forming Apparatus and an Image Forming Method 有权
标题翻译：显影装置，图像形成装置和图像形成方法
公开(公告)号：US20090185819A1
公开(公告)日：2009-07-23
申请号：US12353090
申请日：2009-01-13
申请人： Tomohiro ARUGA , Masahiro MAEDA
发明人： Tomohiro ARUGA , Masahiro MAEDA
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G15/0817
摘要： A developing device, includes: a housing that stores toner inside; a toner carrier roller that is shaped approximately like a cylinder, is mounted to the housing rotatably about a rotational axis, rotates while carrying the toner on a surface thereof to convey the toner to outside of the housing, and is provided, on the surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, the convex sections including top surfaces that coincide with a part of a curved surface of single cylinder and have electrical conductivity; and a seal member that is arranged in abutting contact with the surface of the toner carrier roller moving from the outside the housing toward the inside the housing at a position downstream of the opposed position in a rotation direction of the toner carrier roller to prevent toner leakage from the housing, a contact surface of the seal member being made of a material located at a position to charge the toner with a polarity opposite to its charging polarity in triboelectric series.
摘要翻译：一种显影装置，包括：在其中存储调色剂的壳体; 成形为大致像圆筒的调色剂承载辊以旋转轴为中心可旋转地安装在壳体上，同时在其表面上承载调色剂的同时旋转以将调色剂输送到壳体的外部，并且在其表面上设置具有规则排列的多个凸部和围绕所述凸部的凹部，所述凸部包括与单筒的曲面的一部分重合并具有导电性的顶面; 以及密封构件，所述密封构件布置成与所述调色剂承载辊的表面邻接，所述表面在所述调色剂承载辊的旋转方向上在相对位置的下游位置处从所述壳体的外部移动到所述壳体的内部，以防止调色剂泄漏所述密封构件的接触表面由位于使所述调色剂以摩擦系列与其充电极性相反极性的位置的材料制成。

5. 发明申请

US20100248129A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：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。

6. 发明申请

US20100247187A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
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。

7. 发明申请

US20090180796A1 Image Forming Apparatus, A Developing Device And An Image Forming Method 有权
标题翻译：图像形成装置，显影装置和图像形成方法
公开(公告)号：US20090180796A1
公开(公告)日：2009-07-16
申请号：US12348747
申请日：2009-01-05
申请人： Tomohiro ARUGA , Masahiro MAEDA
发明人： Tomohiro ARUGA , Masahiro MAEDA
IPC分类号： G03G15/08
CPC分类号： G03G15/0818
摘要： An image forming apparatus, includes: a latent image carrier that carries an electrostatic latent image; a housing that stores toner inside; a toner carrier roller that is shaped approximately like a cylinder, is mounted to the housing rotatably about a rotational axis, rotates while carrying toner on a surface thereof to convey the toner to an opposed position facing the latent image carrier outside the housing, and is provided, on the surface thereof, with a plurality of convex sections which are regularly arranged in an axial direction parallel to the rotational axis and in a circumferential direction orthogonal to the axial direction and parallel to a circumferential surface of the toner carrier roller and a concave section which surrounds the convex sections; a seal member that is arranged in abutting contact with the surface of the toner carrier roller moving from the outside the housing toward the inside the housing at a position downstream of the opposed position in a rotation direction of the toner carrier roller to prevent toner leakage from the inside the housing; and a moving mechanism that relatively moves the toner carrier roller relative to the seal member in the axial direction.
摘要翻译：一种图像形成装置，包括：承载静电潜像的潜像载体; 一个储存墨粉的外壳; 成形为大致像圆筒的调色剂承载辊以旋转轴为中心安装在壳体上，同时在其表面上承载调色剂的同时旋转，以将调色剂输送到面向外壳外的潜像载体的相对位置，并且是在其表面上设置有多个凸起部分，其沿轴向平行于旋转轴线并且在与轴向方向正交并且平行于调色剂承载辊的圆周表面的圆周方向上规则地排列，并且凹部围绕凸部的截面; 密封构件，其布置成与所述调色剂承载辊的表面邻接接触，所述表面在所述调色剂承载辊的旋转方向上在所述相对位置的下游位置处从所述壳体的外部朝向所述壳体的内部移动，以防止调色剂泄漏房屋里面; 以及使所述调色剂承载辊相对于所述密封构件在轴向上相对移动的移动机构。

8. 发明申请

US20100239327A1 DEVELOPING DEVICE, IMAGE FORMING DEVICE AND IMAGE FORMING METHOD 审中-公开
标题翻译：开发设备，图像形成装置和图像形成方法
公开(公告)号：US20100239327A1
公开(公告)日：2010-09-23
申请号：US12724890
申请日：2010-03-16
申请人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Atsunori KITAZAWA , Masaru KOBASHI
发明人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Atsunori KITAZAWA , Masaru KOBASHI
IPC分类号： G03G15/08
CPC分类号： G03G15/0812
摘要： A development device includes a housing having toner housed therein; a toner carrying roller that has a plurality of convex portions and concave portions surrounding the convex portions, formed on a surface thereof; and a conductive restriction blade in which a free end or an adjoining region adjacent to the free end abuts the surface of the toner carrying roller, thereby restricting the amount of the toner carried on surface of the toner carrying roller, wherein the toner has an external additive including a metal oxide, the restriction blade is applied with a restriction bias voltage of the same polarity as the regular electrification polarity of the toner, and a gap between the front end of the free end and the convex portion of the toner carrying roller is smaller than a volume average particle diameter of the toner.
摘要翻译：显影装置包括容纳在其中的调色剂的壳体; 形成在其表面上的具有多个凸部和围绕凸部的凹部的调色剂承载辊; 以及导电限制刀片，其中与自由端相邻的自由端或相邻区域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的量，其中调色剂具有外部添加剂包括金属氧化物，限制刀片施加与调色剂的正常带电极性相同极性的限制偏置电压，并且调色剂承载辊的自由端的前端和凸部之间的间隙是小于调色剂的体积平均粒径。

9. 发明申请

US20080298851A1 Image Formation Apparatus and Image Formation System 有权
标题翻译：图像形成装置和图像形成系统
公开(公告)号：US20080298851A1
公开(公告)日：2008-12-04
申请号：US12121627
申请日：2008-05-15
申请人： Yoichi YAMADA , Hiroshi KATO , Tomohiro ARUGA , Takatomo FUKUMOTO
发明人： Yoichi YAMADA , Hiroshi KATO , Tomohiro ARUGA , Takatomo FUKUMOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G2215/0634
摘要： The invention provides, as an aspect thereof, an image formation apparatus that includes: an image carrier that carries a latent image; a toner carrier that has, on a surface of the toner carrier, a concave portion arrayed in a regular pattern so as to carry toner, and develops the latent image that is carried on the image carrier by means of the toner carried in the concave portion; and a voltage application section that applies a development voltage to the toner carrier for the purpose of the development of the latent image. In the configuration of an image formation apparatus according to the above-described aspect of the invention, immediately after that the toner carrier has developed the latent image, which is carried on the image carrier, by means of the toner carried in the concave portion in response to the application of the development bias to the toner carrier by the voltage application section, at least one layer of the toner remains carried in the concave portion.
摘要翻译：本发明作为其一个方面提供了一种图像形成装置，其包括：承载潜像的图像载体; 在调色剂载体的表面上具有排列成规则图案的凹部以便携带调色剂的调色剂载体，并且借助于承载在凹部中的调色剂显影承载在图像载体上的潜像 ; 以及为了显影潜像的目的而向显影剂载体施加显影电压的电压施加部分。在根据本发明的上述方面的图像形成装置的配置中，紧接着，调色剂载体已经通过在凹部中承载的调色剂显影载体在图像载体上的潜像响应于通过电压施加部分将显影偏压施加到调色剂载体，至少一层调色剂保留在凹部中。

10. 发明申请

US20070177908A1 Image Forming Apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20070177908A1
公开(公告)日：2007-08-02
申请号：US11623669
申请日：2007-01-16
申请人： Tomohiro ARUGA , Yoichi YAMADA , Noboru SAKURAI , Takatomo FUKUMOTO
发明人： Tomohiro ARUGA , Yoichi YAMADA , Noboru SAKURAI , Takatomo FUKUMOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0818
摘要： An image forming apparatus includes: an image bearing body that is rotatable about a central axis thereof, and that bears a dot-like latent image, on a surface of the image bearing body, in each of a plurality of divided regions that are arranged in rows along a direction that intersects an axial direction of the central axis at a predetermined intersection angle; and a developer bearing roller that is rotatable in order to make visible, as a developer image, the dot-like latent images borne by the image bearing body, using a developer borne on a surface of the developer bearing roller, the developer bearing roller opposing the image bearing body such that an axial direction of the developer bearing roller is parallel to the axial direction of the image bearing body, and that includes a helical groove portion on the surface of the developer bearing roller, the helical groove portion being inclined at a predetermined inclination angle with respect to the axial direction of the developer bearing roller and being formed having a uniform pitch in the axial direction, wherein a value that is a tangent of the inclination angle divided by a ratio of a moving speed of the surface of the developer bearing roller to a moving speed of the surface of the image bearing body is different from a tangent of the intersection angle.
摘要翻译：图像形成装置包括：图像承载体，其能够围绕其中心轴线旋转并且在图像承载体的表面上具有点状潜像，所述图像承载体分布在多个分割区域中沿着与中心轴的轴向相交的方向以预定的交叉角度排列; 以及显影剂承载辊，其可旋转以使作为显影剂图像可见的由图像承载体承载的点状潜像，使用承载在显影剂承载辊的表面上的显影剂，显影剂承载辊相对于所述图像承载体使得所述显影剂承载辊的轴向平行于所述图像承载体的轴向方向，并且所述图像承载体在所述显影剂承载辊的表面上包括螺旋槽部分，所述螺旋槽部分倾斜于相对于显影剂承载辊的轴向的预定倾斜角度并且在轴向方向上具有均匀的间距，其中，倾斜角的切线值除以所述倾斜角度的表面的移动速度的比率显影轴承辊与图像承载体的表面的移动速度不同于交叉角的切线。

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