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公开(公告)号：US20230010218A1
公开(公告)日：2023-01-12
申请号：US17847589
申请日：2022-06-23
申请人： Keitaro SHOJI , Takuya SESHITA , Yuusuke FURUICHI
发明人： Keitaro SHOJI , Takuya SESHITA , Yuusuke FURUICHI
IPC分类号： G03G15/20
摘要： A heating device includes a first rotator, a second rotator, a heater, and a first, second and third temperature sensors. The second rotator contacts an outer circumferential surface of the first rotator to form a nip through which a recording medium passes. The heater heats the first rotator. The first temperature sensor is disposed outside a space extending from a first region through which a minimum recording medium passes and detects the temperature of the first rotator. The second temperature sensor is disposed outside the space extending from the first region and detects the temperature of the heater. The third temperature sensor is disposed outside the space extending from the first region and detects the temperature of the second rotator. At least one of the second temperature sensor or the third temperature sensor is disposed outside a space extending from a second region through which a maximum sheet passes.
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公开(公告)号：US20220179338A1
公开(公告)日：2022-06-09
申请号：US17536119
申请日：2021-11-29
申请人： Takuya SESHITA , Yuusuke FURUICHI
发明人： Takuya SESHITA , Yuusuke FURUICHI
IPC分类号： G03G15/20
摘要： A heating device includes a first temperature sensor and a second temperature sensor that detect a temperature of at least one of a first rotator, a second rotator, and a heater that heats at least one of the first rotator and the second rotator. The first temperature sensor is disposed outboard from an increased conveyance span where an increased size sheet having an increased width in a longitudinal direction of the heater is conveyed. The second temperature sensor is disposed outboard from a decreased conveyance span where a decreased size sheet having a decreased width in the longitudinal direction of the heater is conveyed. The decreased conveyance span is smaller than the increased conveyance span. The second temperature sensor is disposed within the increased conveyance span and disposed opposite the first temperature sensor via a center of the increased conveyance span in the longitudinal direction of the heater.
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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
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.
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公开(公告)号：US20200249604A1
公开(公告)日：2020-08-06
申请号：US16736995
申请日：2020-01-08
IPC分类号： G03G15/20
摘要： A heating device includes an endless rotator that rotates in a rotation direction and a heater that contacts an inner circumferential surface of the endless rotator and extends in an axial direction of the endless rotator. An elastic body contacts the inner circumferential surface of the endless rotator and is disposed downstream from the heater in the rotation direction of the endless rotator. A holder holds the heater and the elastic body. A pressure rotator is disposed opposite the heater and the elastic body via the endless rotator to form a nip between the endless rotator and the pressure rotator. A motion restrictor is mounted on the holder. The motion restrictor restricts motion of the heater downstream in the rotation direction of the endless rotator.
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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
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.
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公开(公告)号：US20150132026A1
公开(公告)日：2015-05-14
申请号：US14512751
申请日：2014-10-13
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。
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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。
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公开(公告)号：US20220091558A1
公开(公告)日：2022-03-24
申请号：US17480154
申请日：2021-09-21
申请人： Kei SAITO , Tomoya ADACHI , Yuusuke FURUICHI
发明人： Kei SAITO , Tomoya ADACHI , Yuusuke FURUICHI
IPC分类号： G03G21/20
摘要： An image forming apparatus includes a heating device including a heater, a developing device, and an airflow generation device. The heater includes a base, a heat generator, an electrode portion, and conductive portions. The conductive portions are disposed on one side and another side in a longitudinal direction in a heat generation region and spaced apart in a lateral direction intersecting the longitudinal direction. A maximum total value among total values of squares of current flowing in the conductive portions at longitudinal positions on the one side is larger than that on said another side. The developing device includes a rotating member and sliding portions. A sliding portion having highest temperature in operation is disposed on one side of the developing device being same as the one side of the heater in the longitudinal direction. The airflow generation device generates an airflow toward the one side of the developing device.
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公开(公告)号：US20200249602A1
公开(公告)日：2020-08-06
申请号：US16715348
申请日：2019-12-16
申请人： Daisuke Inoue , Tomoya ADACHI , Yuusuke FURUICHI
发明人： Daisuke Inoue , Tomoya ADACHI , Yuusuke FURUICHI
摘要： A fixing device includes an endless belt that rotates and a pressure rotator that rotates and presses against the endless belt to form a fixing nip between the endless belt and the pressure rotator, through which a recording medium bearing an image is conveyed. A heater is disposed inside a loop formed by the endless belt. The heater heats the endless belt. A conductor is disposed upstream from the pressure rotator in a recording medium conveyance direction and grounded. The conductor contacts and detects the recording medium.
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公开(公告)号：US20190278206A1
公开(公告)日：2019-09-12
申请号：US16269616
申请日：2019-02-07
摘要： A heater includes a plurality of resistive heat generators electrically connected to each other in parallel. A power supply supplies power to the resistive heat generators. An electric current detector detects an electric current that flows through the resistive heat generators. A voltage detector detects a voltage applied to the resistive heat generators. An electric current controller controls the electric current that flows through the resistive heat generators based on the electric current detected by the electric current detector and the voltage detected by the voltage detector. The electric current detector detects the electric current in a state in which, after the power supply starts supplying the power to the resistive heat generators, an identical waveform of an alternating current supplied to the resistive heat generators continues for a predetermined time period or longer taken for the electric current detector to detect the electric current.
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