公开(公告)号：US08534808B2

公开(公告)日：2013-09-17

申请号：US13022601

申请日：2011-02-07

申请人： Tomohiro Aruga ,  Masaru Kobashi

发明人： Tomohiro Aruga ,  Masaru Kobashi

IPC分类号： B41J2/175

CPC分类号： B41J2/16585 ,  B41J2/16526 ,  B41J2/17596

摘要： The liquid ejecting apparatus includes nozzles which eject ink, an ink flow path which supplies ink from the upstream side toward the downstream side, a maintenance pump capable of suctioning and discharging ink from the ink flow path, a one-way valve which is opened in accordance with decompression on the downstream side, thereby allowing passage of ink from the upstream side to the downstream side, and a control unit which controls the driving of the maintenance pump, thereby performing a cleaning process, wherein the control unit makes the maintenance pump suction ink from a pressure-changing position in the ink flow path by performing the suction driving of the maintenance pump after making the maintenance pump discharge ink from the pressure-changing position in the ink flow path into the ink flow path by performing the discharge driving of the maintenance pump.

摘要翻译： 液体喷射装置包括喷射墨水的喷嘴，从上游侧向下游侧供给墨水的墨水流路，能够从墨水流路吸引和排出墨水的维护泵，打开的墨水 根据下游侧的减压，从而允许墨水从上游侧流向下游侧;以及控制单元，其控制维护泵的驱动，从而进行清洁处理，其中控制单元使维护泵抽吸 通过在使维护泵从油墨流路中的压力变化位置将墨水排出到墨水流路中之后进行维护泵的抽吸驱动，通过进行墨水流路中的压力变化位置的排出驱动 维修泵。

公开(公告)号：US20110193918A1

公开(公告)日：2011-08-11

申请号：US13020751

申请日：2011-02-03

申请人： Masaru Kobashi ,  Yoichi Yamada ,  Daisuke Matsumoto ,  Tomohiro Aruga ,  Kiyoteru Katsuki

发明人： Masaru Kobashi ,  Yoichi Yamada ,  Daisuke Matsumoto ,  Tomohiro Aruga ,  Kiyoteru Katsuki

IPC分类号： B41J2/175

CPC分类号： B41J2/17596 ,  B41J2/16532 ,  B41J2/16585

摘要： A printer includes: a fluid ejecting head provided with multiple nozzles that eject ink; an ink supply tube that supplies the ink to the fluid ejecting head; and a pressure application mechanism that pressurizes the ink to swell from the nozzles by pressurizing the ink within the ink supply tube and then depressurizes the interior of the ink supply tube while the ink is swelling from the nozzles.

摘要翻译： 打印机包括：流体喷射头，其具有喷射墨水的多个喷嘴; 墨水供给管，其将墨水供给到流体喷射头; 以及压力施加机构，其通过对供墨管内的油墨进行加压而使油墨从喷嘴膨胀，然后在油墨从喷嘴膨胀的同时使供墨管的内部减压。

公开(公告)号：US08651647B2

公开(公告)日：2014-02-18

申请号：US13022598

申请日：2011-02-07

申请人： Tomohiro Aruga ,  Masaru Kobashi

发明人： Tomohiro Aruga ,  Masaru Kobashi

IPC分类号： B41J2/18 ,  B41J2/175

CPC分类号： B41J2/175 ,  B41J2/17563 ,  B41J2/17596

摘要： A liquid ejecting apparatus includes a recording head that ejects an ink from a plurality of nozzles, a liquid supply passage and a reservoir that supply the ink from an upstream side toward a downstream side, a maintenance pump that is able to suck and discharge the ink from and to the liquid supply passage, a filter that clarify the ink in the reservoir, and a control unit that performs a recovery process of the nozzles by controlling an operation of the pump, wherein the control unit causes the maintenance pump to perform a sucking operation to suck the ink, and then causes the pump to perform a discharging operation to discharge the ink, thereby supplying the ink clarified by the filter to the nozzle side.

摘要翻译： 液体喷射装置包括从多个喷嘴喷射墨水的记录头，从上游侧向下游侧供给墨水的液体供给通道和储存器，能够吸入和排出墨水的维护泵 从液体供给通道到液体供给通道的清洁墨水的过滤器，以及控制单元，其通过控制泵的操作来执行喷嘴的回收处理，其中控制单元使维护泵进行吸吮 操作以吸取墨水，然后使泵执行排放操作以排出墨水，从而将由过滤器澄清的墨水供应到喷嘴侧。

公开(公告)号：US20110193920A1

公开(公告)日：2011-08-11

申请号：US13022598

申请日：2011-02-07

申请人： Tomohiro Aruga ,  Masaru Kobashi

发明人： Tomohiro Aruga ,  Masaru Kobashi

IPC分类号： B41J2/175

CPC分类号： B41J2/175 ,  B41J2/17563 ,  B41J2/17596

摘要： A liquid ejecting apparatus includes a recording head that ejects an ink from a plurality of nozzles, a liquid supply passage and a reservoir that supply the ink from an upstream side toward a downstream side, a maintenance pump that is able to suck and discharge the ink from and to the liquid supply passage, a filter that clarify the ink in the reservoir, and a control unit that performs a recovery process of the nozzles by controlling an operation of the pump, wherein the control unit causes the maintenance pump to perform a sucking operation to suck the ink, and then causes the pump to perform a discharging operation to discharge the ink, thereby supplying the ink clarified by the filter to the nozzle side.

摘要翻译： 液体喷射装置包括从多个喷嘴喷射墨水的记录头，从上游侧向下游侧供给墨水的液体供给通道和储存器，能够吸入和排出墨水的维护泵 从液体供给通道到液体供给通道的清洁墨水的过滤器，以及控制单元，其通过控制泵的操作来执行喷嘴的回收处理，其中控制单元使维护泵进行吸吮 操作以吸取墨水，然后使泵执行排放操作以排出墨水，从而将由过滤器澄清的墨水供应到喷嘴侧。

公开(公告)号：US20110193900A1

公开(公告)日：2011-08-11

申请号：US13022601

申请日：2011-02-07

申请人： Tomohiro Aruga ,  Masaru Kobashi

发明人： Tomohiro Aruga ,  Masaru Kobashi

IPC分类号： B41J29/38

CPC分类号： B41J2/16585 ,  B41J2/16526 ,  B41J2/17596

摘要： The liquid ejecting apparatus includes nozzles which eject ink, an ink flow path which supplies ink from the upstream side toward the downstream side, a maintenance pump capable of suctioning and discharging ink from the ink flow path, a one-way valve which is opened in accordance with decompression on the downstream side, thereby allowing passage of ink from the upstream side to the downstream side, and a control unit which controls the driving of the maintenance pump, thereby performing a cleaning process, wherein the control unit makes the maintenance pump suction ink from a pressure-changing position in the ink flow path by performing the suction driving of the maintenance pump after making the maintenance pump discharge ink from the pressure-changing position in the ink flow path into the ink flow path by performing the discharge driving of the maintenance pump.

摘要翻译： 液体喷射装置包括喷射墨水的喷嘴，从上游侧向下游侧供给墨水的墨水流路，能够从墨水流路吸引和排出墨水的维护泵，打开的墨水 根据下游侧的减压，从而允许墨水从上游侧流向下游侧;以及控制单元，其控制维护泵的驱动，从而进行清洁处理，其中控制单元使维护泵抽吸 通过在使维护泵从油墨流路中的压力变化位置将墨水排出到墨水流路中之后进行维护泵的抽吸驱动，通过进行墨水流路中的压力变化位置的排出驱动 维修泵。

公开(公告)号：US20100239326A1

公开(公告)日：2010-09-23

申请号：US12724845

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 developing device, an image forming apparatus and an image forming method are disclosed. The developing device includes a housing that stores toner therein; a toner carrying roller that has a plurality of convex portions and concave portions surrounding the convex portions are formed on the surface of the toner carrying roller; and a conductive regulation blade having a free end comes in contact with the surface of the toner carrying roller. The toner includes a conductive external additive as an external additive. The toner carrying roller carries both contact toner which is in direct contact with the surface of the toner carrying roller and non-contact toner which is not in direct contact with the surface of the toner carrying roller, on the concave portion. The regulation blade is applied with a regulation bias voltage of the same polarity as a normal charge polarity of the toner.

摘要翻译： 公开了一种显影装置，图像形成装置和图像形成方法。 显影装置包括在其中存储调色剂的壳体; 在调色剂承载辊的表面上形成具有多个凸部和围绕凸部的凹部的调色剂承载辊; 并且具有自由端的导电调节片与调色剂承载辊的表面接触。 调色剂包括作为外部添加剂的导电外部添加剂。 调色剂承载辊在凹部上承载与调色剂承载辊的表面直接接触的接触调色剂和不与调色剂承载辊的表面直接接触的非接触式调色剂。 调节叶片施加与调色剂的正常电荷极性相同极性的调节偏置电压。

公开(公告)号：US07565099B2

公开(公告)日：2009-07-21

申请号：US11554460

申请日：2006-10-30

申请人： Yoichi Yamada ,  Tomohiro Aruga ,  Noboru Sakurai ,  Masanao Kunugi ,  Katsumi Okamoto ,  Hiroshi Kato

发明人： Yoichi Yamada ,  Tomohiro Aruga ,  Noboru Sakurai ,  Masanao Kunugi ,  Katsumi Okamoto ,  Hiroshi Kato

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0602 ,  G03G2215/0634

摘要： A developing device includes a container that contains toner particles that are for developing a latent image borne by an image bearing body, and a toner-particle bearing roller that has a helical groove portion on a surface thereof that is for bearing the toner particles, the helical groove portion having an inclination with respect to an axial direction and a circumferential direction of the toner-particle bearing roller and being formed having a uniform pitch in the axial direction.

摘要翻译： 显影装置包括容纳有用于显影由图像承载体承载的潜像的调色剂颗粒的容器和在其表面上具有用于承载调色剂颗粒的螺旋槽部分的调色剂 - 颗粒承载辊， 螺旋槽部分具有相对于调色剂 - 颗粒承载辊的轴向方向和圆周方向的倾斜并且在轴向上具有均匀的间距。

公开(公告)号：US07555252B2

公开(公告)日：2009-06-30

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。

公开(公告)号：US08126355B2

公开(公告)日：2012-02-28

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。

公开(公告)号：US08087170B2

公开(公告)日：2012-01-03

申请号：US11561213

申请日：2006-11-17

申请人： Noboru Sakurai ,  Yoichi Yamada ,  Junichi Nakahara ,  Masanao Kunugi ,  Tomohiro Aruga ,  Katsumi Okamoto

发明人： Noboru Sakurai ,  Yoichi Yamada ,  Junichi Nakahara ,  Masanao Kunugi ,  Tomohiro Aruga ,  Katsumi Okamoto

IPC分类号： A01B29/00

CPC分类号： G03G15/0813 ,  G03G2215/0634 ,  Y10T29/49556 ,  Y10T29/4956 ,  Y10T29/49561

摘要： A method for manufacturing a developing agent carrier of a hollow or solid cylindrical shape having an outer peripheral surface and an irregularity section formed on the outer peripheral surface to carry a developing agent is provided. The method comprises a step of preparing a base material of a hollow or solid cylindrical shape which is to become the developing agent carrier, the base material having an outer peripheral surface; and a step of forming the irregularity section by pressing dice for formation of the irregularity section against the outer peripheral surface of the base material. The irregularity section forming step comprises a first step of forming a plurality of first depression portions on the outer peripheral surface of the base material by use of a die and a second step of forming a plurality of second depression portions on the outer peripheral surface of the base material by use of a die identical with or different from the die used in forming the first depression portions, in such a manner that the second depression portions are dislocated from the first depression portions.

摘要翻译： 提供一种制造中空或实心圆柱形状的显影剂载体的方法，其具有形成在外周表面上以承载显影剂的外周表面和不规则部分。 该方法包括制备中空或实心圆柱形状的基材作为显影剂载体的步骤，该基材具有外周表面; 以及通过将用于形成不规则部分的骰子压靠在基材的外周面上而形成不规则部分的步骤。 不规则部分形成步骤包括：通过使用模具在母材的外周面上形成多个第一凹部的第一工序;在第二工序中，在第二工序中， 使用与形成第一凹部的模具相同或不同的模具，使第二凹部从第一凹部脱位。