公开(公告)号：US20140341626A1

公开(公告)日：2014-11-20

申请号：US14269314

申请日：2014-05-05

申请人： Ryuuichi MIMBU ,  Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Takeshi YAMAMOTO ,  Yutaka IKEBUCHI ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Hajime GOTOH ,  Takahiro IMADA ,  Kazuya SAITO ,  Toshihiko SHIMOKAWA ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI ,  Hiroshi YOSHINAGA ,  Yuji ARAI

发明人： Ryuuichi MIMBU ,  Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Takeshi YAMAMOTO ,  Yutaka IKEBUCHI ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Hajime GOTOH ,  Takahiro IMADA ,  Kazuya SAITO ,  Toshihiko SHIMOKAWA ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI ,  Hiroshi YOSHINAGA ,  Yuji ARAI

IPC分类号： G03G15/20

CPC分类号： G03G15/2032 ,  G03G15/2017 ,  G03G15/2042

摘要： A fixing device includes a fixing rotator heated by a heater and a pressing rotator to press against the fixing rotator to form a fixing nip therebetween. A heating span adjuster, interposed between the heater and the fixing rotator, is movable in a circumferential direction of the fixing rotator. The heating span adjuster moves to a retracted position where the heating span adjuster allows the heater to heat the fixing rotator in an increased axial heating span of the fixing rotator after the heater starts heating the fixing rotator until the fixing rotator and the pressing rotator start conveying the recording medium through the fixing nip. The heating span adjuster at the retracted position is outboard from a circumferential, direct heating span of the fixing rotator where the heater heats the fixing rotator directly.

摘要翻译： 定影装置包括由加热器加热的定影旋转器和按压旋转器以压靠固定旋转器以在其间形成定影辊隙。 插入在加热器和定影旋转器之间的加热跨度调节器可在定影旋转器的圆周方向上移动。 加热跨度调节器移动到缩回位置，在加热范围调整器允许加热器在加热器开始加热定影旋转器之后加热固定旋转器的增加的轴向加热跨度，直到定影旋转器和按压旋转器开始传送 记录介质通过定影辊隙。 在缩回位置的加热跨度调节器从定影旋转器的周向，直接加热跨度外侧，其中加热器直接加热定影旋转器。

公开(公告)号：US20140356036A1

公开(公告)日：2014-12-04

申请号：US14277477

申请日：2014-05-14

申请人： Toshihiko SHIMOKAWA ,  Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Yuji ARAI ,  Takeshi YAMAMOTO ,  Ryuuichi MIMBU ,  Yutaka IKEBUCHI ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Hajime GOTOH ,  Takahiro IMADA ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI ,  Hiroshi YOSHINAGA

发明人： Toshihiko SHIMOKAWA ,  Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Yuji ARAI ,  Takeshi YAMAMOTO ,  Ryuuichi MIMBU ,  Yutaka IKEBUCHI ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Hajime GOTOH ,  Takahiro IMADA ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI ,  Hiroshi YOSHINAGA

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G2215/2035

摘要： A fixing device includes a first heat generator and a second heat generator that heat a fixing rotator. A support is disposed inside the fixing rotator. A reflector is mounted on the support and interposed between the support and each of the first heat generator and the second heat generator to reflect light radiated from the first heat generator and the second heat generator toward the fixing rotator. The reflector includes a body mounted on the support and a shield portion projecting from the body toward the first heat generator and the second heat generator to shield the fixing rotator from the first heat generator and the second heat generator. The shield portion includes a wing disposed opposite a non-conveyance span of the fixing rotator in the axial direction thereof where a recording medium is not conveyed over the fixing rotator.

摘要翻译： 定影装置包括第一热发生器和加热定影旋转器的第二热发生器。 支撑件设置在定影旋转器的内部。 反射器安装在支撑件上并且插入在支撑件和第一热发生器和第二热发生器中的每一个之间以将从第一热发生器和第二发热体辐射的光反射到固定旋转器。 反射器包括安装在支撑体上的主体和从主体向第一热发生器突出的屏蔽部分和第二热发生器，用于屏蔽来自第一发热体和第二发热体的固定旋转体。 屏蔽部分包括在固定旋转体的轴向方向上相对于固定旋转体的非传送跨度相对的翼，其中记录介质不在定影旋转器上传送。

公开(公告)号：US20140341627A1

公开(公告)日：2014-11-20

申请号：US14269358

申请日：2014-05-05

申请人： Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Yuji ARAI ,  Hiroshi YOSHINAGA ,  Ryuuichi MIMBU ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Takeshi YAMAMOTO ,  Takahiro IMADA ,  Hajime GOTOH ,  Kazuya SAITO ,  Yutaka IKEBUCHI ,  Toshihiko SHIMOKAWA ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI

发明人： Masaaki YOSHIKAWA ,  Takayuki SEKI ,  Yuji ARAI ,  Hiroshi YOSHINAGA ,  Ryuuichi MIMBU ,  Takuya SESHITA ,  Shuntaro TAMAKI ,  Takeshi YAMAMOTO ,  Takahiro IMADA ,  Hajime GOTOH ,  Kazuya SAITO ,  Yutaka IKEBUCHI ,  Toshihiko SHIMOKAWA ,  Shuutaroh YUASA ,  Kensuke YAMAJI ,  Akira SUZUKI

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G2215/2035

摘要： A fixing device includes a fixing rotator rotatable in a predetermined direction of rotation and a nip formation assembly contacting an inner circumferential surface of the fixing rotator. An opposed rotator presses against the nip formation assembly via the fixing rotator to form a fixing nip between the fixing rotator and the opposed rotator, through which a recording medium is conveyed. A support, disposed opposite the inner circumferential surface of the fixing rotator, supports the nip formation assembly. A heater, disposed opposite the inner circumferential surface of the fixing rotator, heats the fixing rotator. A reflector, disposed opposite an outer circumferential surface of the fixing rotator, reflects heat radiated from the fixing rotator onto the fixing rotator. The reflector spans a circumferential span of the fixing rotator where the fixing rotator is spaced apart from the support with a decreased interval therebetween.

摘要翻译： 定影装置包括可沿预定旋转方向旋转的定影旋转器和与定影旋转器的内圆周表面接触的压区形成组件。 相对的旋转体通过固定旋转器压靠辊隙形成组件，以在固定旋转体和相对旋转体之间形成定影辊隙，记录介质通过该固定辊隙传送。 与固定旋转体的内周面相对设置的支撑件支撑辊隙形成组件。 与定影旋转体的内周面相对设置的加热器加热固定旋转体。 与固定旋转体的外周表面相对设置的反射器将从固定旋转体辐射的热量反射到定影旋转体上。 反射器跨过固定旋转器的周向跨度，其中固定旋转体与支撑件间隔开，间隔减小。

公开(公告)号：US20120207523A1

公开(公告)日：2012-08-16

申请号：US13371985

申请日：2012-02-13

申请人： Satoshi UENO ,  Tadashi OGAWA ,  Takeshi UCHITANI ,  Teppei KAWATA ,  Takamasa HASE ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI

发明人： Satoshi UENO ,  Tadashi OGAWA ,  Takeshi UCHITANI ,  Teppei KAWATA ,  Takamasa HASE ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI

IPC分类号： G03G15/20

CPC分类号： G03G15/2028

摘要： A fixing device includes a fixing member configured to heat and fix a toner image onto a recording medium; a pressurizing member configured to press a heating member, which is used for heating the fixing member, against the fixing member and form a fixing nip part; and a guide member configured to guide the recording medium away from the fixing member and the pressurizing member at a downstream side of the fixing member or the pressurizing member in a conveying direction of the recording medium. The guide member includes a pushing unit for maintaining a relative positional relationship between the guide member and an outer peripheral surface of the fixing member or the pressurizing member, and the pushing unit is provided in a manner as to follow surface characteristics of outer peripheral parts of the fixing member or the pressurizing member where the pushing unit pushes.

摘要翻译： 定影装置包括：构造成将调色剂图像加热并固定到记录介质上的固定构件; 加压构件，其构造成将用于加热所述固定构件的加热构件压靠在所述固定构件上并形成定影夹持部; 以及引导构件，其构造成在记录介质的传送方向上将记录介质引导远离固定构件和加压构件在固定构件或加压构件的下游侧。 引导构件包括用于保持引导构件和固定构件或加压构件的外周面之间的相对位置关系的推动单元，并且推动单元设置成遵循外围部分的外围部分的表面特性 固定构件或推压单元推动的加压构件。

公开(公告)号：US20130188977A1

公开(公告)日：2013-07-25

申请号：US13728163

申请日：2012-12-27

申请人： Takamasa HASE ,  Tadashi OGAWA ,  Takeshi UCHITANI ,  Teppei KAWATA ,  Shuutaroh YUASA ,  Kensuke YAMAJI

发明人： Takamasa HASE ,  Tadashi OGAWA ,  Takeshi UCHITANI ,  Teppei KAWATA ,  Shuutaroh YUASA ,  Kensuke YAMAJI

IPC分类号： G03G15/20

CPC分类号： G03G15/2046 ,  G03G15/2042 ,  G03G15/205 ,  G03G2215/2035

摘要： A fixing device includes a fixing member including a heating unit, and a pressure member, the heating unit includes a sub-heater having a heat generating portion in a region smaller than a minimum paper width, a main heater having a heat generating portion at outside of the sub-heater, a first temperature detector to detect a temperature of the fixing member at the heat generating portion of the main heater, and a second temperature detector to detect the temperature at the heat generating portion of the sub-heater. The main heater and the sub-heater can be switched selectively, and the initial duty ratio at the start of PID temperature control by the sub-heater is determined in accordance with a difference between temperatures detected by the respective temperature detectors at the start of PID temperature control and a target temperature so that the temperature is not overshooting and dropped.

摘要翻译： 固定装置包括具有加热单元和加压构件的固定构件，所述加热单元包括具有小于最小纸宽度的区域中的发热部分的副加热器，在外部具有发热部分的主加热器 的第一温度检测器，用于检测主加热器的发热部分处的固定部件的温度的第一温度检测器，以及用于检测副加热器的发热部分的温度的第二温度检测器。 可以选择性地切换主加热器和副加热器，并且通过辅助加热器开始PID温度控制的初始占空比根据PID开始时由各个温度检测器检测到的温度差来确定 温度控制和目标温度，使温度不会超调和下降。

公开(公告)号：US20120219312A1

公开(公告)日：2012-08-30

申请号：US13366939

申请日：2012-02-06

申请人： Shuutaroh YUASA ,  Masanao EHARA ,  Tadashi OGAWA ,  Satoshi UENO ,  Hiroshi SEO ,  Teppei KAWATA ,  Shuntaroh TAMAKI ,  Takamasa HASE ,  Kazuya SAITO ,  Kensuke YAMAJI

发明人： Shuutaroh YUASA ,  Masanao EHARA ,  Tadashi OGAWA ,  Satoshi UENO ,  Hiroshi SEO ,  Teppei KAWATA ,  Shuntaroh TAMAKI ,  Takamasa HASE ,  Kazuya SAITO ,  Kensuke YAMAJI

IPC分类号： G03G21/20 ,  G03G15/20

CPC分类号： G03G15/2039

摘要： A fixing device includes a fixing rotary body rotatable in a predetermined direction of rotation to radiate infrared rays; a pressing rotary body, rotatable in a direction counter to the direction of rotation of the fixing rotary body, pressed against the fixing rotary body to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed; a heater disposed opposite the fixing rotary body to heat the fixing rotary body; a temperature detector spaced apart from the fixing rotary body to detect a temperature of the fixing rotary body based on the infrared rays from the fixing rotary body and disposed below the fixing nip in a vertical direction; and a tube disposed between the fixing rotary body and the temperature detector, the tube through which the infrared rays from the fixing rotary body enter the temperature detector.

摘要翻译： 定影装置包括可沿预定旋转方向旋转的固定旋转体，以便辐射红外线; 按照与固定旋转体的旋转方向相反的方向旋转的按压旋转体，压靠在定影旋转体上，以形成传送带有调色剂图像的记录介质的定影辊隙; 与所述固定旋转体相对设置的加热所述固定旋转体的加热器; 与固定旋转体间隔开的温度检测器，基于来自定影旋转体的红外线检测固定旋转体的温度，并在垂直方向上设置在定影辊隙的下方; 以及设置在固定旋转体和温度检测器之间的管，来自定影旋转体的红外线通过该管进入温度检测器。

公开(公告)号：US20120051766A1

公开(公告)日：2012-03-01

申请号：US13221340

申请日：2011-08-30

申请人： Satoshi UENO ,  Masanao EHARA ,  Tadashi OGAWA ,  Teppei KAWATA ,  Takamasa HASE ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI

发明人： Satoshi UENO ,  Masanao EHARA ,  Tadashi OGAWA ,  Teppei KAWATA ,  Takamasa HASE ,  Kazuya SAITO ,  Shuutaroh YUASA ,  Kensuke YAMAJI

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： A fixing device includes a fixing rotation body heating and fixing an unfixed image onto a recording medium; a pressing rotation body pressing the recording medium to the fixing rotation body; a first temperature detection unit detecting a temperature of the fixing rotation body; and plural second temperature detection units detecting a temperature of the pressing rotation body. Further the fixing device selects a predetermined second temperature detection unit from the plural second temperature detection units depending on an operation mode of the fixing device, and the fixing device detects the temperature of the pressing rotation body by using the predetermined second temperature detection unit selected by the fixing device.

摘要翻译： 定影装置包括固定旋转体，其将未定影图像加热并固定到记录介质上; 按压旋转体，将记录介质按压到固定旋转体; 第一温度检测单元，检测固定旋转体的温度; 以及多个第二温度检测单元，检测按压旋转体的温度。 此外，定影装置根据定影装置的操作模式从多个第二温度检测单元中选择预定的第二温度检测单元，并且定影装置通过使用由第二温度检测单元选择的预定的第二温度检测单元来检测按压旋转体的温度， 固定装置。

公开(公告)号：US20140270865A1

公开(公告)日：2014-09-18

申请号：US14186078

申请日：2014-02-21

申请人： Kensuke YAMAJI ,  Takuya SESHITA ,  Takahiro IMADA ,  Hajime GOTOH ,  Akira SUZUKI

发明人： Kensuke YAMAJI ,  Takuya SESHITA ,  Takahiro IMADA ,  Hajime GOTOH ,  Akira SUZUKI

IPC分类号： G03G15/20

CPC分类号： G03G15/2028

摘要： A fixing device includes a fixing rotary body rotatable in a given direction of rotation and a heater disposed opposite the fixing rotary body to heat the fixing rotary body. A pressing rotary body contacts the fixing rotary body to form a fixing nip therebetween through which a recording medium is conveyed. A separator is disposed downstream from the fixing nip in a recording medium conveyance direction to separate the recording medium from one of the fixing rotary body and the pressing rotary body. The separator includes a separation plate including an upstream portion disposed opposite the fixing nip and at least one slot disposed downstream from the upstream portion in the recording medium conveyance direction.

摘要翻译： 定影装置包括可沿给定旋转方向旋转的定影旋转体和与定影旋转体相对设置的加热器，以加热定影旋转体。 按压旋转体与固定旋转体接触，以形成传送记录介质的定影辊隙。 在记录介质输送方向上，在定影辊隙的下游配置隔板，以将记录介质与定影用旋转体和加压旋转体之一分离。 分离器包括分离板，该分离板包括与定影辊隙相对设置的上游部分和设置在记录介质传送方向上游的上游部分的下游的至少一个狭槽。

公开(公告)号：US20140270834A1

公开(公告)日：2014-09-18

申请号：US14203764

申请日：2014-03-11

申请人： Takuya SESHITA ,  Hajime GOTOH ,  Takahiro IMADA ,  Kensuke YAMAJI ,  Akira SUZUKI

发明人： Takuya SESHITA ,  Hajime GOTOH ,  Takahiro IMADA ,  Kensuke YAMAJI ,  Akira SUZUKI

IPC分类号： G03G15/20

CPC分类号： G03G15/2042 ,  G03G2215/2035

摘要： A fixing device in an image forming apparatus includes a rotatable fixing member; a plurality of heat sources to heat each area of the fixing member in a longitudinal direction thereof; a pressure member configured to contact the fixing member and forming a nip in association with the fixing member; a nip forming member disposed inside the fixing member and opposite the pressure member to form a fixing nip; a temperature controller to detect temperature at each area of the fixing member and control the temperature via lighting control performed by the heat sources; and a plurality of temperature sensors to detect temperature of the fixing member or the pressure member in each heating area heated by the plurality of heat sources. When a sheet size set by the image forming apparatus and an actually conveyed sheet size are different, operating speed of the device is adjusted.

摘要翻译： 图像形成装置中的定影装置包括可旋转固定构件; 多个热源，用于加热固定部件的纵向方向的各个区域; 压力构件，其构造成与所述固定构件接触并与所述固定构件相关联地形成辊隙; 夹持形成构件，其设置在所述固定构件的内部并与所述压力构件相对以形成定影夹持部; 温度控制器，用于检测固定部件的每个区域的温度，并通过由热源进行的照明控制来控制温度; 以及多个温度传感器，用于检测由多个热源加热的各加热区域中的固定部件或压力部件的温度。 当由图像形成装置设置的纸张尺寸和实际输送的纸张尺寸不同时，调节装置的操作速度。

公开(公告)号：US20140255064A1

公开(公告)日：2014-09-11

申请号：US14189238

申请日：2014-02-25

申请人： Akira SUZUKI ,  Takuya SESHITA ,  Takahiro IMADA ,  Hajime GOTOH ,  Kensuke YAMAJI

发明人： Akira SUZUKI ,  Takuya SESHITA ,  Takahiro IMADA ,  Hajime GOTOH ,  Kensuke YAMAJI

IPC分类号： G03G15/20

CPC分类号： G03G15/2085 ,  G03G15/2025 ,  G03G15/2028 ,  G03G15/2035

摘要： A fixing device to fix an unfixed image carried on a recording medium includes an endless, rotary fixing member; a heat source to heat the fixing member; an opposed member disposed opposite the fixing member and to form a fixing nip in combination with the fixing member; and a biasing member disposed opposite the opposed member with the fixing member interposed therebetween, to press the fixing member from a back side of the fixing member against the opposed member at the fixing nip; grip portions at which the fixing member and the opposed member contact each other in areas through which the recording medium does not pass, among the fixing nip along a direction perpendicular to a conveyance direction of the recording medium; and a cleaning member to clean an outer circumference of at least one of the grip portions of the fixing member and the opposed member.

摘要翻译： 用于固定承载在记录介质上的未定影图像的定影装置包括环形旋转固定构件; 用于加热固定构件的热源; 相对的构件，与所述固定构件相对设置并且与所述固定构件组合形成定影压区; 以及偏置构件，其相对设置在所述相对构件之间，所述固定构件插入在所述偏压构件之间，以在所述定影辊隙处将所述固定构件从所述固定构件的后侧压靠在所述相对构件上; 所述固定部件和所述相对构件在所述定影夹持部中沿着与所述记录介质的传送方向垂直的方向彼此接触的区域; 以及清洁构件，用于清洁固定构件和相对构件的至少一个把手部分的外周。