公开(公告)号：US20200276818A1

公开(公告)日：2020-09-03

申请号：US16800982

申请日：2020-02-25

申请人： Toshimichi ODAKA ,  Yoshitaka FUJINUMA ,  Koji KAWAHARA

发明人： Toshimichi ODAKA ,  Yoshitaka FUJINUMA ,  Koji KAWAHARA

IPC分类号： B41J2/165 ,  B41J2/14

摘要： A liquid discharge head includes a nozzle, a cover, a connector board, and a cap. The nozzle is configured to discharge liquid. The cover covers at least a part of the liquid discharge head except the nozzle. The connector board includes a connector, and a first engaging portion. The connector is detachably connected to a wiring component. The first engaging portion is configured to engage the cover in a first direction. The cap is detachably attached to the cover. The cap includes an opening and a second engaging portion. The opening is configured to engage at least one of the connector and the connector board in a second direction intersecting the first direction and expose at least a part of the connector. The second engaging portion is configured to engage the cover in a third direction.

公开(公告)号：US08374528B2

公开(公告)日：2013-02-12

申请号：US13280027

申请日：2011-10-24

申请人： Tatsuya Kubo ,  Yoshitaka Fujinuma ,  Susumu Tateyama

发明人： Tatsuya Kubo ,  Yoshitaka Fujinuma ,  Susumu Tateyama

IPC分类号： G03G15/08

CPC分类号： G03G15/0844 ,  G03G2215/0607 ,  G03G2215/0609 ,  G03G2215/0827 ,  G03G2215/0838

摘要： A developing device, process cartridge, and image forming apparatus, include at least one developing roller. A plurality of transport members with screw and shaft portions, transport developing agent housed within the device in a longitudinal direction, and form a circulation path. A discharge aperture, formed in a transport path wall of one transport member, discharges developing agent to the outside when a surface of the developing agent transported by one of the plurality of transport members exceeds a predetermined height. The one transport member is adjacent to the developing roller that supplies the developing agent and includes, in a part in the longitudinal direction, an area on which the screw portion is not formed. The discharge aperture is disposed opposite to the area on which the screw portion is not formed, and the length of the discharge aperture is formed smaller than that of the area in the longitudinal direction.

摘要翻译： 显影装置，处理盒和图像形成装置包括至少一个显影辊。 具有螺杆和轴部的多个输送部件，沿纵向容纳在该装置内的输送显影剂，并形成循环路径。 当由一个输送构件的输送路径壁形成的排出孔在由多个输送构件之一输送的显影剂的表面超过预定高度时将显影剂排出到外部。 一个传送构件与提供显影剂的显影辊相邻，并且在长度方向的一部分中包括未形成螺纹部的区域。 放电孔与未形成螺纹部的区域相对设置，并且排出孔的长度形成为小于纵向方向上的区域的长度。

公开(公告)号：US08346134B2

公开(公告)日：2013-01-01

申请号：US13269916

申请日：2011-10-10

申请人： Masayoshi Nakayama ,  Yoshitaka Fujinuma ,  Susumu Takeyama ,  Tatsuya Kubo

发明人： Masayoshi Nakayama ,  Yoshitaka Fujinuma ,  Susumu Takeyama ,  Tatsuya Kubo

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G2215/0844

摘要： A developing device that can discharge developer by an amount of developer in the developing device increased by a carrier supplemented into the developing device includes a supply transport screw and a receiving transport screw in a top and bottom positional relationship, the rotational axes of the supply transport screw and the receiving transport screw are mutually parallel in relation to an image support member. The developing device also includes an inclined transport screw arranged at an incline between one end of the supply transport screw and an other end of the receiving transport screw. The developing device also includes a supply unit for supplying new carrier into a casing and a discharge port and discharge unit for discharging part of the developer housed in the casing to the outside, the discharge port provided on a part of the casing corresponding to an upper part of the inclined transport screw.

摘要翻译： 可以通过补充在显影装置中的载体使由显影装置中的显影剂量的显影剂排出显影剂的显影装置包括上下位置关系的供给输送螺杆和接收输送螺杆，供给输送装置 螺钉和接收输送螺杆相对于图像支撑构件相互平行。 显影装置还包括倾斜的输送螺杆，其设置在供给输送螺杆的一端和接收输送螺杆的另一端之间的倾斜处。 显影装置还包括用于将新载体供给到壳体中的供给单元和用于将容纳在壳体中的一部分显影剂排出到外部的排出口和排出单元，排出口设置在壳体的与上部 部分倾斜运输螺丝。

公开(公告)号：US08045893B2

公开(公告)日：2011-10-25

申请号：US12251580

申请日：2008-10-15

申请人： Masayoshi Nakayama ,  Yoshitaka Fujinuma ,  Susumu Takeyama ,  Tatsuya Kubo

发明人： Masayoshi Nakayama ,  Yoshitaka Fujinuma ,  Susumu Takeyama ,  Tatsuya Kubo

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G2215/0844

摘要： A developing device that can discharge developer by an amount of developer in the developing device increased by a carrier supplemented into the developing device includes a supply transport screw and a receiving transport screw in a top and bottom positional relationship, the rotational axes of the supply transport screw and the receiving transport screw are mutually parallel in relation to an image support member. The developing device also includes an inclined transport screw arranged at an incline between one end of the supply transport screw and an other end of the receiving transport screw. The developing device also includes a supply unit for supplying new carrier into a casing and a discharge port and discharge unit for discharging part of the developer housed in the casing to the outside, the discharge port provided on a part of the casing corresponding to an upper part of the inclined transport screw.

摘要翻译： 可以通过补充在显影装置中的载体使由显影装置中的显影剂量的显影剂排出显影剂的显影装置包括上下位置关系的供给输送螺杆和接收输送螺杆，供给输送装置 螺钉和接收输送螺杆相对于图像支撑构件相互平行。 显影装置还包括倾斜的输送螺杆，其设置在供给输送螺杆的一端和接收输送螺杆的另一端之间的倾斜处。 显影装置还包括用于将新载体供给到壳体中的供给单元和用于将容纳在壳体中的一部分显影剂排出到外部的排出口和排出单元，排出口设置在壳体的与上部 部分倾斜运输螺丝。

公开(公告)号：US07580657B2

公开(公告)日：2009-08-25

申请号：US11493856

申请日：2006-07-27

申请人： Susumu Tateyama ,  Yoshitaka Fujinuma ,  Tsutomu Nakagawa ,  Masayoshi Nakayama

发明人： Susumu Tateyama ,  Yoshitaka Fujinuma ,  Tsutomu Nakagawa ,  Masayoshi Nakayama

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G2215/0813 ,  G03G2215/0822 ,  G03G2215/0838 ,  G03G2215/0844

摘要： A developing device includes first-third sections, a developing roller, a partitioning wall and a toner concentration detector. The first-third sections have first-third screw augers respectively. The partitioning wall isolates the third section from the first section and the second section. A supply opening is formed in a portion of the partitioning wall opposing the first section. A toner concentration detector is disposed in the third section. The first screw auger conveys developer including toner to the developing roller, into the third section via the supply opening, and into the second section. The second screw auger conveys developer accommodated in the second section into the third section. The third screw auger conveys developer accommodated in the third section into the first section. Toner is replenished into the third section based on a detection result by the toner concentration detector.

摘要翻译： 显影装置包括第一至第三部分，显影辊，分隔壁和调色剂浓度检测器。 第一部分第三部分分别具有第三螺旋钻。 分隔壁将第三部分与第一部分和第二部分隔离。 供给开口形成在与第一部分相对的分隔壁的一部分中。 调色剂浓度检测器设置在第三部分中。 第一螺旋推送器将包括调色剂的显影剂通过供给口传送到显影辊，并进入第二部分。 第二螺旋推送器将容纳在第二部分中的显影器输送到第三部分。 第三螺旋推送器将容纳在第三部分中的显影器输送到第一部分中。 基于调色剂浓度检测器的检测结果，将调色剂补充到第三部分中。

公开(公告)号：US20080253810A1

公开(公告)日：2008-10-16

申请号：US12059392

申请日：2008-03-31

申请人： Susumu Tateyama ,  Yoshitaka Fujinuma ,  Koichi Kato ,  Kiyonori Tsuda ,  Emi Kita ,  Yuki Oshikawa

发明人： Susumu Tateyama ,  Yoshitaka Fujinuma ,  Koichi Kato ,  Kiyonori Tsuda ,  Emi Kita ,  Yuki Oshikawa

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G2215/0648 ,  G03G2215/0822 ,  G03G2215/0827

摘要： To provide a relatively small developing device, process cartridge and image forming apparatus that prevent developer, accommodated in a second developer conveying portion for recovering the developer after a developing step, from being pumped up to a developer carrier, and that do not apply a large stress to the developer. A plurality of developer carriers are arranged side-by-side in a direction of gravitational force so as to face an image carrier. The developing device comprises a first developer conveying portion that supplies the developer to a first developer carrier, a second developer conveying portion that recovers the developer separated from the second developer carrier, and a third developer conveying portion that conveys the developer obliquely upward and conveys, to an upstream side in a conveyance direction of the first developer conveying portion, the developer reaching the downstream side in the conveyance direction of the first developer conveying portion and the developer reaching a downstream side in a conveyance direction of the second developer conveying portion.

摘要翻译： 为了提供一种相对小的显影装置，处理盒和图像形成装置，其防止显影剂容纳在第二显影剂输送部分中以用于在显影步骤之后回收显影剂，从被泵送到显影剂载体，并且不施加大的显影装置 强调开发商。 多个显影剂载体在重力方向上并排布置以面对图像载体。 显影装置包括第一显影剂输送部分，其将显影剂供应到第一显影剂载体，第二显影剂输送部分，其回收与第二显影剂载体分离的显影剂;以及第三显影剂输送部分，其将倾斜向上输送的显影剂输送， 在第一显影剂输送部分的输送方向上的上游侧，显影剂到达第一显影剂输送部分的输送方向的下游侧，并且显影剂到达第二显影剂输送部分的输送方向的下游侧。

公开(公告)号：US20080213006A1

公开(公告)日：2008-09-04

申请号：US12036640

申请日：2008-02-25

申请人： Masayoshi NAKAYAMA ,  Yoshitaka Fujinuma ,  Susumu Tateyama ,  Tatsuya Kubo

发明人： Masayoshi NAKAYAMA ,  Yoshitaka Fujinuma ,  Susumu Tateyama ,  Tatsuya Kubo

IPC分类号： G03G15/09

CPC分类号： G03G15/0942

摘要： A developing device is disclosed. The developing device includes a developing roller disposed to face an image carrier and a toner carrier capturing roller disposed to face the developing roller for capturing toner carriers adhered onto the image carrier. The developing roller generates a magnetic pole at a side facing the toner carrier capturing roller. A first virtual line, which connects a rotational center of the developing roller to a rotational center of the toner carrier capturing roller, passes through a region between a position where a magnetic flux density of the magnetic pole in the normal line direction is minimum on the developing roller at the upstream side in the rotational direction of the developing roller and a position where the magnetic flux density of the magnetic pole in the normal line direction is maximum on the developing roller.

摘要翻译： 公开了一种显影装置。 显影装置包括设置成面对图像载体的显影辊和设置成面对显影辊的调色剂载体捕获辊，用于捕获粘附到图像载体上的调色剂载体。 显影辊在面向调色剂载体捕获辊的一侧产生磁极。 将显影辊的旋转中心连接到调色剂承载器捕获辊的旋转中心的第一虚拟线穿过在正方向上的磁极的磁通密度最小的位置之间的区域 在显影辊的旋转方向的上游侧的显影辊和在显影辊上的法线方向的磁极的磁通密度最大的位置。

公开(公告)号：US20080101818A1

公开(公告)日：2008-05-01

申请号：US11867410

申请日：2007-10-04

申请人： Kazuhiro Shimojima ,  Yoshitaka Fujinuma ,  Susumu Tateyama ,  Yukinori Sakuma

发明人： Kazuhiro Shimojima ,  Yoshitaka Fujinuma ,  Susumu Tateyama ,  Yukinori Sakuma

IPC分类号： G03G15/00

CPC分类号： G03G15/757 ,  G03G2221/1657

摘要： A bearing detachably and rotatably holds a photoconductor. A bearing holder firmly holds the bearing. A rotating lever is provided on a rotation axis of a photoconductor between the photoconductor and the bearing holder. The bearing holder and the rotating lever are provided with many protrusions at regular intervals. At a first relative position of the bearing holder and the rotating lever, the protrusions on the bearing holder are located in between the protrusions on the rotating lever. At a second relative position of the bearing holder and the rotating lever, the protrusions on the bearing holder ride on the protrusions on the rotating lever thereby pushing the photoconductor away from the bearing and detaching the photoconductor from the bearing.

摘要翻译： 轴承可拆卸地且可旋转地保持感光体。 轴承座牢固地固定轴承。 旋转杆设置在感光体和轴承座之间的光电导体的旋转轴上。 轴承座和旋转杆以规则的间隔设置有许多突起。 在轴承座和旋转杆的第一相对位置处，轴承座上的凸起位于旋转杆上的凸起之间。 在轴承保持架和旋转杆的第二相对位置处，轴承座上的凸起位于旋转杆上的凸起上，从而将光电导体推离轴承并将感光体与轴承分离。

公开(公告)号：US07324778B2

公开(公告)日：2008-01-29

申请号：US11171434

申请日：2005-07-01

申请人： Takashi Suzuki ,  Teruaki Mitsuya ,  Keisuke Kubota ,  Masato Miwa ,  Yoshitaka Fujinuma ,  Tsutomu Nakagawa

发明人： Takashi Suzuki ,  Teruaki Mitsuya ,  Keisuke Kubota ,  Masato Miwa ,  Yoshitaka Fujinuma ,  Tsutomu Nakagawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G15/2025 ,  G03G15/2064 ,  G03G2215/2074

摘要： A fixing device wherein supposing that the total load given to a heating roller and a pressure roller is W (kgf) and the area of the pressure contact portion of the heating roller with respect to the pressure roller (nip area) is S (cm2), the nip pressure (=W/S) is 2.7 kgf/cm2 or more and the length of the pressure contact portion in the direction parallel to the direction of conveyance of a recording material is defined to be 14 mm or more.

摘要翻译： 一种定影装置，其中假设加热辊和加压辊的总负载为W（kgf），加热辊的压力接触部分相对于加压辊（夹持区域）的面积为S（cm < SUP> 2），压区压力（= W / S）为2.7kgf / cm 2以上，压接部的长度方向平行于输送方向 的记录材料被定义为14mm或更大。

公开(公告)号：US07272355B2

公开(公告)日：2007-09-18

申请号：US11193628

申请日：2005-08-01

申请人： Takashi Suzuki ,  Kenji Nakamura ,  Hirobumi Ooyoshi ,  Yoshitaka Fujinuma ,  Masato Miwa

发明人： Takashi Suzuki ,  Kenji Nakamura ,  Hirobumi Ooyoshi ,  Yoshitaka Fujinuma ,  Masato Miwa

IPC分类号： G03G21/00

CPC分类号： G03G21/0035

摘要： A cleaning device is disposed substantially vertical above a photosensitive drum for the purpose of constructing a compact electrophotographic printer. The cleaning device includes a housing that accommodates an auxiliary toner conveying part and a sheet-like resilient member. A cleaning brush is also disposed in the housing so that a gap of 1-3 mm is formed between the cleaning brush and the auxiliary toner conveying part and resilient member. During an image forming operation, toner accumulates between the cleaning blade and the cleaning brush and is conveyed upward through the gap between the cleaning brush and the auxiliary toner conveying part and resilient member. The toner drops onto the cleaning brush near the top thereof and is conveyed by the cleaning brush to a screw. The screw discharges the toner from the cleaning device.

摘要翻译： 为了构造紧凑型电子照相打印机，清洁装置基本垂直地设置在感光鼓的上方。 清洁装置包括容纳辅助调色剂传送部分和片状弹性部件的壳体。 清洁刷也设置在壳体中，使得在清洁刷和辅助调色剂传送部分和弹性构件之间形成1-3mm的间隙。 在图像形成操作期间，调色剂积聚在清洁刮板和清洁刷之间，并且通过清洁刷和辅助调色剂传送部分和弹性构件之间的间隙向上传送。 调色剂在其顶部附近滴落到清洁刷上，并被清洁刷输送到螺丝。 螺丝从清洁装置中排出墨粉。