公开(公告)号：US20220283531A1

公开(公告)日：2022-09-08

申请号：US17571836

申请日：2022-01-10

申请人： Naohiro KUMAGAI ,  Tomoya ADACHI ,  Yuusuke FURUICHI

发明人： Naohiro KUMAGAI ,  Tomoya ADACHI ,  Yuusuke FURUICHI

IPC分类号： G03G15/20

摘要： An image forming apparatus includes a heating device, a rotator, and a blade. The heating device includes a heater extending in a direction orthogonal to a conveyance direction of a recording medium. The heater includes a heat generator and generates a larger heat amount at one end than at a center. The blade includes a rubbing portion extending in the direction. Both ends of the rubbing portion face both ends of the heater. The rotator and the blade are configured such that a friction force between the rotator and one end of the rubbing portion is smaller than a friction force between the rotator and the center of the rubbing portion in the direction.

公开(公告)号：US20190179242A1

公开(公告)日：2019-06-13

申请号：US16212817

申请日：2018-12-07

申请人： Tomoya ADACHI ,  Yuusuke FURUICHI

发明人： Tomoya ADACHI ,  Yuusuke FURUICHI

IPC分类号： G03G15/20 ,  G03G15/00

摘要： A heating device includes a base, a plurality of resistance heating elements, a power control circuit, a first temperature sensor, a second temperature sensor, and control circuitry. The resistance heating elements is disposed in a longitudinal direction of the base and electrically connected in parallel with each other. The power control circuit is configured to supply electrical power to the resistance heating elements. The control circuitry is configured to control an electrical power amount of the power control circuit so that temperatures of the resistance heating elements become equal to a first predetermined temperature based on a result of sensing with a first temperature sensor of the resistance heating elements and cut off the electrical power supplied from the power control circuit to the resistance heating elements in response to sensing of a second predetermined temperature with a second temperature sensor of the resistance heating elements.

公开(公告)号：US20200174408A1

公开(公告)日：2020-06-04

申请号：US16655392

申请日：2019-10-17

申请人： Yuusuke FURUICHI ,  Takayuki SEKI ,  Tomoya ADACHI

发明人： Yuusuke FURUICHI ,  Takayuki SEKI ,  Tomoya ADACHI

IPC分类号： G03G15/20

摘要： A heating device includes an endless belt that rotates and a pressure rotator that rotates in a rotation direction. The pressure rotator contacts an outer circumferential surface of the endless belt to form a nip therebetween, through which a heating target having a particular width in an axial direction of the pressure rotator is conveyed. A heater includes a heat generator that defines a conveyance span in the axial direction of the pressure rotator, where the heating target is conveyed, and a non-conveyance span in the axial direction of the pressure rotator, where the heating target is not conveyed. A non-conveyance span temperature detector is disposed opposite the pressure rotator in the non-conveyance span of the heat generator. The non-conveyance span temperature detector detects a temperature of the pressure rotator.

公开(公告)号：US20210389713A1

公开(公告)日：2021-12-16

申请号：US17336450

申请日：2021-06-02

申请人： Kenji YABE ,  Yuusuke FURUICHI ,  Tomoya ADACHI

发明人： Kenji YABE ,  Yuusuke FURUICHI ,  Tomoya ADACHI

IPC分类号： G03G21/00

摘要： An image forming apparatus includes an image bearer, a protectant applicator, a heating device, and a protectant biasing member. The protectant applicator applies protectant to the image bearer. The heating device includes a heater including a base, a heat generator, an electrode, and a conductor coupling the heat generator to the electrode. The heater has a first position and a second position having a higher temperature than the first position. These are symmetrical to each other with respect to a longitudinal center of a heat generation area of the heater. The protectant biasing member biases the protectant to the protectant applicator with a first biasing force at a position closer to the first position than to the second position and with a second biasing force larger than the first biasing force at a position closer to the second position than to the first, and the protectant contacts the protectant applicator.

公开(公告)号：US20200183307A1

公开(公告)日：2020-06-11

申请号：US16656724

申请日：2019-10-18

申请人： Yuusuke FURUICHI ,  Hiroshi SEO ,  Yoshiki YAMAGUCHI

发明人： Yuusuke FURUICHI ,  Hiroshi SEO ,  Yoshiki YAMAGUCHI

IPC分类号： G03G15/20 ,  G05D23/24 ,  G03G21/20 ,  G03G15/00 ,  G03G21/16

摘要： A temperature detector for being positioned with respect to a counterpart includes a temperature detecting element that detects a temperature of a detecting target and a holding body that holds the temperature detecting element. A projecting engagement engages the counterpart and is mounted on the holding body.

公开(公告)号：US20240012353A1

公开(公告)日：2024-01-11

申请号：US18254969

申请日：2021-12-23

申请人： Yuusuke FURUICHI ,  Takamasa HASE ,  Hiroshi SEO ,  Hideki SUGIURA ,  Maiko KOEDA ,  Masahiko ISHIKAWA

发明人： Yuusuke FURUICHI ,  Takamasa HASE ,  Hiroshi SEO ,  Hideki SUGIURA ,  Maiko KOEDA ,  Masahiko ISHIKAWA

IPC分类号： G03G15/20

CPC分类号： G03G15/2057 ,  G03G15/2064 ,  G03G15/2039 ,  G03G2215/2032

摘要： Provided is an image forming apparatus including a toner, and a fixing device configured to fix an image formed with the toner on a recording medium. The fixing device includes a fixing belt that is an endless belt, and a planar member configured to heat the fixing belt. An environmental fluctuation rate X is 45% or greater but 85% or less, and the environmental fluctuation rate X is represented by:


Environmental fluctuation rate X=(Q1−Q2)/{(Q1+Q2)/2}

where Q1 is a quantity of electric charge of the toner in an environment having a temperature of 10 degrees Celsius and relative humidity of 15%, Q2 is a quantity of electric charge of the toner in an environment having a temperature of 27 degrees Celsius and relative humidity of 80%, and a unit for Q1 and Q2 is μC/g.

公开(公告)号：US20210041832A1

公开(公告)日：2021-02-11

申请号：US16942072

申请日：2020-07-29

申请人： Yuusuke FURUICHI

发明人： Yuusuke FURUICHI

IPC分类号： G03G21/20 ,  G03G15/20

摘要： An image forming apparatus includes a cooler and a heater. The heater includes a heat generation unit, which includes resistive heat generators arranged in a longitudinal direction of the heater, a first electrode, a second electrode, a first conductor that connects the resistive heat generators in parallel with each other to the first electrode, and a second conductor that connects the resistive heat generators in parallel with each other to the second electrode. The first and second conductors are connected to at least one of the resistive heat generators on a first longitudinal end side of the heater from a center of the resistive heat generator in the longitudinal direction of the heater. A cooling ability of the cooler to a second longitudinal end side of the heater opposite the first longitudinal end side of the heater is greater than that to the first longitudinal end side of the heater.

公开(公告)号：US20200117124A1

公开(公告)日：2020-04-16

申请号：US16550346

申请日：2019-08-26

申请人： Yuusuke FURUICHI

发明人： Yuusuke FURUICHI

IPC分类号： G03G15/20 ,  G03G15/00

摘要： A heating device includes a heater that includes a heat generator configured to generate heat as the heat generator is supplied with power. A feeding member is configured to contact the heater and feed the power to the heat generator. The feeding member is made of a corson copper alloy.

公开(公告)号：US20150132026A1

公开(公告)日：2015-05-14

申请号：US14512751

申请日：2014-10-13

申请人： Tomofumi YOSHIDA ,  Takafumi MIYAZAKI ,  Yasuhide OHKUBO ,  Yuusuke FURUICHI ,  Rie MITANI

发明人： Tomofumi YOSHIDA ,  Takafumi MIYAZAKI ,  Yasuhide OHKUBO ,  Yuusuke FURUICHI ,  Rie MITANI

IPC分类号： G03G15/08

CPC分类号： G03G15/0891 ,  G03G15/0893 ,  G03G2215/0838

摘要： A developing device is provided. The developing device includes a developer carrier, a regulator, a first developer storing chamber, a plurality of conveyers disposed within the first developer storing chamber, a second developer storing chamber in communication with the first developer storing chamber, and a supply member disposed within the second developer storing chamber. The developer carrier carries developer on its surface and supplies developer to a latent image carrier carrying a latent image. The regulator regulates the thickness of developer on the surface of the developer carrier. The first developer storing chamber stores developer separated from the developer carrier by the regulator and is to be supplied with fresh developer. Each of the plurality of conveyers coveys developer in a different conveyance direction. The second developer storing chamber is to be supplied with developer from the first developer storing chamber. The supply member supplies developer to the developer carrier.

摘要翻译： 提供显影装置。 显影装置包括显影剂载体，调节器，第一显影剂储存室，设置在第一显影剂储存室内的多个输送器，与第一显影剂储存室连通的第二显影剂储存室， 第二显影剂储存室。 显影剂载体在其表面上携带显影剂，并将显影剂供应到携带潜像的潜像载体上。 调节器调节显影剂载体表面上显影剂的厚度。 第一显影剂储存室存储由调节器与显影剂载体分离的显影剂，并且供应新鲜的显影剂。 多个输送机中的每一个在不同的输送方向上覆盖显影剂。 第二显影剂储存室将从第一显影剂储存室供应显影剂。 供应成员向开发商运营商供应开发商。

公开(公告)号：US20080292356A1

公开(公告)日：2008-11-27

申请号：US12118989

申请日：2008-05-12

申请人： Yuusuke FURUICHI ,  Nobuhiko Kita ,  Sei Onuma ,  Ryoh Idehara ,  Kazuyoshi Kondo ,  Genta Hagiwara ,  Kaoru Tada

发明人： Yuusuke FURUICHI ,  Nobuhiko Kita ,  Sei Onuma ,  Ryoh Idehara ,  Kazuyoshi Kondo ,  Genta Hagiwara ,  Kaoru Tada

IPC分类号： G03G13/00

CPC分类号： G03G21/1853

摘要： An image forming apparatus capable of reliably positioning a process unit in a main image forming apparatus body, without impairing ease of mounting/dismounting of the process unit achieved by a simple structure. A convex section that projects towards the insertion side is provided on the process unit, an engagement section that positions the process unit in its width direction by engaging with the convex section in the condition, where the process unit is mounted, is provided on the main apparatus body, and a guidance section that guides the convex section towards the guidance section when mounting the process unit is provided on at least one of the tip end of the convex section and the main apparatus body.

摘要翻译： 一种图像形成装置，其能够将处理单元可靠地定位在主图像形成装置主体中，而不会容易地通过简单的结构实现的处理单元的安装/拆卸。 在处理单元上设置有朝向插入侧突出的凸部，通过在安装有处理单元的状态下通过与凸部接合而将处理单元在宽度方向上定位的接合部设置在主体 在凸部和主体装置主体的前端中的至少一个上设置有安装处理单元时将凸部向引导部引导的引导部。