公开(公告)号：US20090214271A1

公开(公告)日：2009-08-27

申请号：US12388908

申请日：2009-02-19

申请人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

发明人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0634 ,  G03G2215/0861 ,  G03G2215/0863

摘要： A development roller includes a base unit having a base recess and a base projection that are formed in a predetermined area of a circumference surface of the base unit, and a surface layer formed on the circumference surface of the base unit and having on the circumference thereof a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit. Surface hardness of the projection is higher than surface hardness of the recess.

摘要翻译： 显影辊包括具有底座凹部和基部突出部的基座单元，基座突起形成在基座单元的圆周表面的预定区域中，并且表面层形成在基座单元的圆周表面上并且在其圆周上 分别形成有与基座部的底座凹部和底座突起部形成的凹部和突起。 突起的表面硬度高于凹部的表面硬度。

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：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。

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。

公开(公告)号：US20090208256A1

公开(公告)日：2009-08-20

申请号：US12388880

申请日：2009-02-19

申请人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

发明人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0818

摘要： A development roller includes a base unit having a base recess and a base projection that are formed in a predetermined area of a circumference surface of the base unit by pressing a regular pattern in pressure machining, and a surface layer formed on the circumference surface of the base unit and having a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit. A thickness of the surface layer is larger than a maximum height of a base swollen portion close to the side edge of the base projection from a regular surface of the base projection.

摘要翻译： 显影辊包括具有基座凹部和基部凸起的基座单元，该基座凹部和底部凸起通过在加压加工中按压规则图案而形成在基座单元的圆周表面的预定区域中，并且形成在表面层上的表面层 并且具有根据基座单元的基座凹部和基座突起分别形成的凹部和突起。 表面层的厚度大于从基底突起的规则表面靠近基底突起的侧边缘的基部肿胀部分的最大高度。

公开(公告)号：US20090110443A1

公开(公告)日：2009-04-30

申请号：US12252261

申请日：2008-10-15

申请人： Yoichi YAMADA ,  Takatomo FUKUMOTO

发明人： Yoichi YAMADA ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G15/0818 ,  G03G2215/0177

摘要： A developer apparatus, includes: a container which houses toner; a toner carrier roller that is provided, on a surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, is shaped approximately like a cylinder, and rotates while carrying a toner layer of charged toner supplied from the container on the surface thereof, and a restriction member that abuts on the surface of the toner carrier roller to form a restriction nip, restricts a thickness of the toner layer carried on the surface of the toner carrier roller in the restriction nip, and removes the toner layer on the convex sections from among the toner layer carried on the surface of the toner carrier roller at an upstream-side end of the restriction nip in a rotation direction of the toner carrier roller.

摘要翻译： 一种显影装置，包括：容纳调色剂的容器; 在其表面上设置有规则排列的多个凸部和围绕凸部的凹部的墨粉承载辊，其形状大致为圆筒状，并且在携带带电调色剂的调色剂层的同时旋转 从其表面上的容器供应的限制部件和与调色剂承载辊的表面形成限制夹持部的限制部件限制了在限制夹持部中承载在调色剂承载辊的表面上的调色剂层的厚度， 并且在调色剂承载辊的旋转方向上在调色剂承载辊的表面上的调色剂层的限制压区的上游侧端部移除凸部上的调色剂层。

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：US20090208255A1

公开(公告)日：2009-08-20

申请号：US12388857

申请日：2009-02-19

申请人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

发明人： Yoichi YAMADA ,  Masahiro MAEDA ,  Junichi SUZUKI ,  Takatomo FUKUMOTO

IPC分类号： G03G15/08

CPC分类号： G03G15/0818

摘要： A development roller includes a base unit having a base recess and a base projection formed in a predetermined area of a circumference surface of the base unit, and a surface layer formed on the circumference surface of the base unit and having a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit.

摘要翻译： 显影辊包括：基座单元，具有形成在基座单元的圆周表面的预定区域中的基部凹部和基部突起;以及基底单元的圆周表面上形成的凹部和突起， 分别根据基部凹部和基部单元的基底突起。

公开(公告)号：US20090110442A1

公开(公告)日：2009-04-30

申请号：US12247117

申请日：2008-10-07

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 ,  G03G2215/0822 ,  G03G2215/0844

摘要： A developer apparatus, includes: a container which houses toner; a toner carrier roller which is provided, on a surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, is shaped approximately like a cylinder, and rotates while carrying a toner layer of charged toner supplied from the container on the surface thereof; and a restriction member which abuts on the toner layer on the surface of the toner carrier roller to restrict a thickness of the toner layer, and restricts the toner layer carried by the convex sections within the surface of the toner carrier roller to one layer or less.

摘要翻译： 一种显影装置，包括：容纳调色剂的容器; 在其表面上设置有规则排列的多个凸部和围绕所述凸部的凹部的调色剂承载辊成形为大致像圆筒，并且在携带带电调色剂的调色剂层的同时旋转 从容器的表面供给; 以及与调色剂承载辊的表面上的调色剂层抵接以限制调色剂层的厚度的限制部件，并且将由调色剂承载辊的表面内的凸部承载的调色剂层限制在一层以下 。