公开(公告)号：US08428502B2

公开(公告)日：2013-04-23

申请号：US12923231

申请日：2010-09-10

申请人： Tetsuo Tokuda ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Naoki Iwaya ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Shuntaroh Tamaki ,  Toshihiko Shimokawa ,  Ippei Fujimoto ,  Kenji Ishii

发明人： Tetsuo Tokuda ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Naoki Iwaya ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Shuntaroh Tamaki ,  Toshihiko Shimokawa ,  Ippei Fujimoto ,  Kenji Ishii

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G2215/2035

摘要： A fixing device includes an endless flexible fixing member, a supporting member having a pipe shape disposed inside a loop formed by the fixing member to support the fixing member, a pressing member disposed opposite the supporting member via the fixing member, and a nip formation member disposed opposite the pressing member via the fixing member to form a fixing nip between the fixing member and the pressing member. The fixing member contacts an outer circumferential face of the supporting member at a side opposite a side at which the fixing member contacts the nip formation member at the fixing nip. The fixing member has slack portions formed upstream and downstream from the fixing nip in a conveyance direction of a recording medium. The slack portions extend toward the pressing member over the fixing nip without contacting either the supporting member or the pressing member.

摘要翻译： 定影装置包括环形柔性固定构件，支撑构件，其具有设置在由固定构件形成的环中的管状，以支撑固定构件;经由固定构件与支撑构件相对配置的按压构件，以及辊隙形成构件 经由所述固定部件与所述按压部件相对设置，以在所述固定部件和所述按压部件之间形成定影辊隙。 固定构件在定影辊隙处与固定构件与辊隙形成构件接触的一侧相反的一侧接触支撑构件的外周面。 固定构件具有在记录介质的输送方向上形成在定影辊隙上游和下游的松弛部分。 松弛部分在定影压区上朝向按压部件延伸，而不接触支撑部件或按压部件。

公开(公告)号：US20120224878A1

公开(公告)日：2012-09-06

申请号：US13410821

申请日：2012-03-02

申请人： Yutaka Ikebuchi ,  Masaaki Yoshikawa ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Yuji Arai ,  Hiromasa Takagi ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yoshiki Yamaguchi ,  Ippei Fujimoto ,  Takuya Seshita ,  Arinobu Yoshiura ,  Takahiro Imada ,  Hajime Gotoh ,  Toshihiko Shimokawa

发明人： Yutaka Ikebuchi ,  Masaaki Yoshikawa ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Yuji Arai ,  Hiromasa Takagi ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yoshiki Yamaguchi ,  Ippei Fujimoto ,  Takuya Seshita ,  Arinobu Yoshiura ,  Takahiro Imada ,  Hajime Gotoh ,  Toshihiko Shimokawa

IPC分类号： G03G15/20 ,  G03G13/20

CPC分类号： G03G15/2039

摘要： A fixing device includes a fuser member, a heater, a thermometer, and a power supply controller. The fuser member is subjected to heating. The heater is adjacent to the fuser member to heat the fuser member. The thermometer is adjacent to the fuser member to detect an operational temperature of the fuser member. The power supply controller controls power supply to the heater by adjusting a duty cycle. The controller includes a duty cycle calculator, a driver circuit, and a duty cycle modifier. The duty cycle calculator is operatively connected to the thermometer to calculate a primary value of the duty cycle based on the operational temperature. The driver circuit is operatively connected to the duty cycle calculator to supply power to the heater according to the duty cycle. The duty cycle modifier is connected between the duty cycle calculator and the driver circuit to modify the duty cycle.

摘要翻译： 定影装置包括定影器构件，加热器，温度计和电源控制器。 定影部件经受加热。 加热器与定影器构件相邻以加热定影器构件。 温度计与定影器构件相邻以检测定影器构件的操作温度。 电源控制器通过调整占空比控制加热器的电源。 控制器包括占空比计算器，驱动器电路和占空比修正器。 占空比计算器可操作地连接到温度计，以基于工作温度计算占空比的主要值。 驱动器电路可操作地连接到占空比计算器，以根据占空比为加热器供电。 占空比修正器连接在占空比计算器和驱动器电路之间，以修改占空比。

公开(公告)号：US08213827B2

公开(公告)日：2012-07-03

申请号：US12852079

申请日：2010-08-06

申请人： Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Shuntaroh Tamaki ,  Toshihiko Shimokawa ,  Naoki Iwaya

发明人： Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Shuntaroh Tamaki ,  Toshihiko Shimokawa ,  Naoki Iwaya

IPC分类号： G03G21/20 ,  G03G15/20

CPC分类号： G03G15/2025 ,  G03G2215/2029

摘要： In a fixing device, a metal member is provided inside a fixing belt to heat the fixing belt. A first lubricant is applied between the metal member and the fixing belt at a center portion of the fixing belt in an axial direction of the fixing belt that contacts a recording medium bearing a toner image. A second lubricant having a viscosity greater than a viscosity of the first lubricant is applied between the metal member and the fixing belt at lateral edge portions of the fixing belt in the axial direction of the fixing belt that do not contact the recording medium.

摘要翻译： 在固定装置中，金属构件设置在定影带内部以加热定影带。 在定影带的中心部分处，在定影带的轴向与承载调色剂图像的记录介质接触的第一润滑剂施加在金属构件和定影带之间。 具有粘度大于第一润滑剂的粘度的第二润滑剂在定影带的不与记录介质接触的定影带的轴向方向上在定影带的侧边缘处施加在金属构件和定影带之间。

公开(公告)号：US20110229228A1

公开(公告)日：2011-09-22

申请号：US13045182

申请日：2011-03-10

申请人： Masaaki YOSHIKAWA ,  Yoshiki Yamaguchi ,  Toshihiko Shimokawa ,  Kenji Ishii ,  Naoki Iwaya ,  Takahiro Imada ,  Yutaka Ikebuchi ,  Tetsuo Tokuda ,  Takamasa Hase ,  Hiroshi Yoshinaga ,  Ippei Fujimoto

发明人： Masaaki YOSHIKAWA ,  Yoshiki Yamaguchi ,  Toshihiko Shimokawa ,  Kenji Ishii ,  Naoki Iwaya ,  Takahiro Imada ,  Yutaka Ikebuchi ,  Tetsuo Tokuda ,  Takamasa Hase ,  Hiroshi Yoshinaga ,  Ippei Fujimoto

IPC分类号： G03G15/20

CPC分类号： G03G15/2057 ,  G03G15/2039 ,  G03G2215/2035

摘要： A fixing device includes a tubular belt holder, a rotatable flexible fuser belt, a contact member, a pressure member, and a heater. The tubular belt holder extends in an axial direction thereof. The fuser belt is looped into a generally cylindrical configuration around the belt holder. The tubular belt holder retains the fuser belt in shape as the belt rotates in a circumferential direction. The contact member extends in the axial direction. The pressure member extends in the axial direction. The pressure member presses against the contact member through the fuser belt to form a fixing nip. The heater is disposed to heat a predetermined circumferential portion of the fuser belt. The belt holder includes a first circumferential section and a second circumferential section. The first circumferential section faces the heated portion. The second circumferential section faces upstream from the heated portion in the circumferential direction.

摘要翻译： 定影装置包括管状带保持器，可旋转的柔性定影带，接触构件，压力构件和加热器。 管状皮带保持器沿其轴向方向延伸。 定影带环绕在皮带保持架周围的大致圆柱形结构。 当皮带沿圆周方向旋转时，管状皮带保持器保持定影带的形状。 接触构件在轴向方向上延伸。 压力构件在轴向方向上延伸。 压力构件通过定影带压靠接触构件以形成定影辊隙。 加热器设置成加热定影带的预定圆周部分。 皮带保持器包括第一圆周部分和第二圆周部分。 第一圆周部分面向加热部分。 第二圆周部分在周向方向上面对加热部分的上游。

公开(公告)号：US20110222931A1

公开(公告)日：2011-09-15

申请号：US13029794

申请日：2011-02-17

申请人： Akira SHINSHI ,  Masaaki Yoshikawa ,  Hiroshi Yoshinaga ,  Kenichi Hasegawa ,  Kenji Ishii ,  Naoki Iwaya ,  Yutaka Ikebuchi ,  Tetsuo Tokuda ,  Ippei Fujimoto ,  Yoshiki Yamaguchi ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa

发明人： Akira SHINSHI ,  Masaaki Yoshikawa ,  Hiroshi Yoshinaga ,  Kenichi Hasegawa ,  Kenji Ishii ,  Naoki Iwaya ,  Yutaka Ikebuchi ,  Tetsuo Tokuda ,  Ippei Fujimoto ,  Yoshiki Yamaguchi ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a tubular, stationary metal pipe, a heater, a flexible fuser belt, a rotatable pressure member, a fuser pad, and a tubular pipe cover. The heater is disposed adjacent to the metal pipe to heat a circumference thereof. The metal pipe has multiple through-holes provided at least at a circumferential perforated section thereof. The flexible fuser belt is looped for rotation around the metal pipe to transfer heat radially outward from the heated circumference of the metal pipe. The rotatable pressure member extends opposite the metal pipe with the fuser belt interposed between the metal pipe and the pressure member. The fuser pad, accommodated within the metal pipe, held stationary inside the loop of the fuser belt, presses against the pressure member through the fuser belt to form a fixing nip. The tubular pipe cover is fitted around the metal pipe.

摘要翻译： 定影装置包括管状固定金属管，加热器，柔性定影带，可旋转压力构件，定影垫和管状管盖。 加热器邻近金属管设置以加热其周边。 金属管具有至少设置在其圆周穿孔部分的多个通孔。 柔性定影带环绕金属管旋转，以从金属管的加热圆周径向向外传递热量。 可旋转的压力构件与金属管相对延伸，并且定影带置于金属管和压力构件之间。 容纳在金属管内的定影垫固定在定影带的环内，通过定影带压靠压力构件以形成定影压区。 管状管盖安装在金属管周围。

公开(公告)号：US20110200368A1

公开(公告)日：2011-08-18

申请号：US13009199

申请日：2011-01-19

申请人： Yoshiki YAMAGUCHI ,  Masaaki Yoshikawa ,  Kenji Ishii ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yutaka Ikebuchi ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa ,  Hiroshi Yoshinaga ,  Ippei Fujimoto

发明人： Yoshiki YAMAGUCHI ,  Masaaki Yoshikawa ,  Kenji Ishii ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yutaka Ikebuchi ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa ,  Hiroshi Yoshinaga ,  Ippei Fujimoto

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2032 ,  G03G2215/2035

摘要： A fixing device includes a contact member provided inside a fixing member and pressed against a pressing member via the fixing member to form a nip between the pressing member and the fixing member through which a recording medium bearing atoner image passes. A sheet heat generator provided in the fixing member includes a flexible heat generation sheet contactable against the fixing member to heat the fixing member. A contact adjuster provided in the fixing member adjusts an area of contact of the heat generation sheet and the fixing member in the axial direction, supports the heat generation sheet at a first position at which the heat generation sheet contacts the fixing member, and bends a portion of the heat generation sheet at a second position to separate the heat generation sheet from the fixing member.

摘要翻译： 定影装置包括设置在固定构件内部的接触构件，并且经由固定构件压靠在按压构件上，以在按压构件和固定构件之间形成辊隙，通过该固定构件，记录介质承载着图像通过。 设置在所述固定部件中的片材发热体包括可与所述固定部件接触的柔性发热片，以加热所述固定部件。 设置在固定构件中的接触调节器调节发热片与定影构件在轴向上的接触面积，将发热片支撑在发热片接触固定构件的第一位置，并弯曲一个 在第二位置处的发热片的一部分，以将发热片从固定构件分离。

公开(公告)号：US20110058866A1

公开(公告)日：2011-03-10

申请号：US12923176

申请日：2010-09-08

申请人： Kenji Ishii ,  Naoki Iwaya ,  Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Shuntaroh Tamaki ,  Tetsuo Tokuda ,  Toshihiko Shimokawa ,  Masaaki Yoshikawa

发明人： Kenji Ishii ,  Naoki Iwaya ,  Akira Shinshi ,  Kenichi Hasegawa ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Shuntaroh Tamaki ,  Tetsuo Tokuda ,  Toshihiko Shimokawa ,  Masaaki Yoshikawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes an endless, rotatable fixing member, a rotational pressing member, a nip formation member, and an urging unit. The rotational pressing member is rotatably provided in contact with the fixing member. The nip formation member is disposed opposite the rotational pressing member via the fixing member to form a fixing nip between the fixing member and the rotational pressing member. The urging unit is disposed opposite the rotational pressing member via the nip formation member and the fixing member to push against and deform the nip formation member to change a curvature of a contact face between the fixing member and the rotational pressing member at the fixing nip.

摘要翻译： 定影装置包括环形可旋转固定构件，旋转按压构件，辊隙形成构件和推压单元。 旋转按压构件可旋转地设置成与固定构件接触。 辊隙形成构件经由固定构件与旋转按压构件相对设置，以在固定构件和旋转按压构件之间形成定影辊隙。 推压单元经由辊隙形成构件和固定构件与旋转按压构件相对地设置以推压和变形辊隙形成构件，以在定影辊隙处改变固定构件和旋转按压构件之间的接触面的曲率。

公开(公告)号：US20110058862A1

公开(公告)日：2011-03-10

申请号：US12878480

申请日：2010-09-09

申请人： Yoshiki Yamaguchi ,  Kenichi Hasegawa ,  Masaaki Yoshikawa ,  Hiroshi Yoshinaga ,  Kenji Ishii ,  Akira Shinshi ,  Naoki Iwaya ,  Tetuso Tokuda ,  Ippei Fujimoto ,  Yutaka Ikebuchi ,  Shuntaroh Tamaki ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa

发明人： Yoshiki Yamaguchi ,  Kenichi Hasegawa ,  Masaaki Yoshikawa ,  Hiroshi Yoshinaga ,  Kenji Ishii ,  Akira Shinshi ,  Naoki Iwaya ,  Tetuso Tokuda ,  Ippei Fujimoto ,  Yutaka Ikebuchi ,  Shuntaroh Tamaki ,  Takahiro Imada ,  Takamasa Hase ,  Toshihiko Shimokawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/0132

摘要： A fixing device includes an endless, flexible fixing member, a metal member, a heater, a pressing member, a temperature detector, and a supporting member. The fixing member is rotatably provided in the fixing device to heat a toner image thereon. The metal member is fixedly mounted in the fixing device so as to be opposite an inner circumferential surface of the fixing member, to maintain the fixing member in a substantially circularly loop shape. The heater is disposed near the metal member to heat the metal member. The pressing member is rotatably pressed against an outer circumferential surface of the fixing member to form a nip portion between the pressing member and the fixing member. The temperature detector is disposed in contact with the metal member, to detect a temperature of the metal member. The supporting member is disposed between the heater and the temperature detector to support the temperature detector.

摘要翻译： 固定装置包括环形柔性固定构件，金属构件，加热器，按压构件，温度检测器和支撑构件。 固定构件可旋转地设置在定影装置中以加热其上的调色剂图像。 金属构件固定地安装在定影装置中以与固定构件的内周表面相对，以将固定构件保持为大致圆形的环形。 加热器设置在金属构件附近以加热金属构件。 按压构件被可旋转地压靠在固定构件的外周面上，以在按压构件和固定构件之间形成夹持部。 温度检测器设置成与金属构件接触，以检测金属构件的温度。 支撑构件设置在加热器和温度检测器之间以支撑温度检测器。

公开(公告)号：US09310733B2

公开(公告)日：2016-04-12

申请号：US12929626

申请日：2011-02-04

申请人： Hiroshi Yoshinaga ,  Masaaki Yoshikawa ,  Kenichi Hasegawa ,  Kenji Ishii ,  Akira Shinshi ,  Naoki Iwaya ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Yoshiki Yamaguchi ,  Shuntaroh Tamaki ,  Tetsuo Tokuda ,  Takamasa Hase ,  Takahiro Imada ,  Toshihiko Shimokawa

发明人： Hiroshi Yoshinaga ,  Masaaki Yoshikawa ,  Kenichi Hasegawa ,  Kenji Ishii ,  Akira Shinshi ,  Naoki Iwaya ,  Yutaka Ikebuchi ,  Ippei Fujimoto ,  Yoshiki Yamaguchi ,  Shuntaroh Tamaki ,  Tetsuo Tokuda ,  Takamasa Hase ,  Takahiro Imada ,  Toshihiko Shimokawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a substantially cylindrical metal member, a heater, an endless, flexible fixing member, a rotary pressing member, and a stationary member. The heater heats the metal member. The fixing member is disposed rotatable around the metal member. An inner circumferential surface of the fixing member is heated by the metal member to heat and fix a toner image. The rotary pressing member is disposed opposite the metal member and pressed against an outer circumferential surface of the fixing member to form a nip between the rotary pressing member and the fixing member through which a recording medium bearing the toner image passes. The stationary member is disposed in pressure contact with the inner circumferential surface of the fixing member, and has an opposing face opposing the rotary pressing member and having a curvature smaller than a curvature of the rotary pressing member.

摘要翻译： 固定装置包括大致圆筒形的金属构件，加热器，环形，柔性固定构件，旋转按压构件和固定构件。 加热器加热金属构件。 固定构件可绕金属构件旋转设置。 固定构件的内圆周表面被金属构件加热以加热和固定调色剂图像。 所述旋转按压部件与所述金属部件相对设置并且压靠在所述固定部件的外周面上，以在所述旋转按压部件与所述固定部件之间形成辊隙，通过所述固定部件支承所述调色剂图像的记录介质通过。 固定构件与固定构件的内周面压力接触，并且具有与旋转按压构件相对的相对面，其曲率小于旋转按压构件的曲率。

公开(公告)号：US09221661B2

公开(公告)日：2015-12-29

申请号：US14193273

申请日：2014-02-28

申请人： Ryuuichi Mimbu ,  Takayuki Seki ,  Hiroshi Yoshinaga ,  Yuji Arai ,  Yutaka Ikebuchi ,  Yoshiki Yamaguchi ,  Kazuya Saito ,  Shuutaroh Yuasa ,  Shuntaro Tamaki ,  Toshihiko Shimokawa ,  Naoki Iwaya

发明人： Ryuuichi Mimbu ,  Takayuki Seki ,  Hiroshi Yoshinaga ,  Yuji Arai ,  Yutaka Ikebuchi ,  Yoshiki Yamaguchi ,  Kazuya Saito ,  Shuutaroh Yuasa ,  Shuntaro Tamaki ,  Toshihiko Shimokawa ,  Naoki Iwaya

IPC分类号： G03G15/20 ,  B66F19/00

CPC分类号： B66F19/00 ,  G03G15/2032 ,  G03G15/2035 ,  G03G2215/2035

摘要： A pressure adjuster for changing pressure between a plurality of opposed bodies pressed against each other includes a cam rotatable in a given direction of rotation and having a top dead center on an outer circumferential surface thereof that is distanced farthest from a rotation axis of the cam. A driver is connected to the cam to drive and rotate the cam. A cam rest contacts the cam and is connected to one of the plurality of opposed bodies. A cam regulation assembly is connected to the cam to regulate rotation of the cam at least when the top dead center of the cam passes a contact position where the cam contacts the cam rest.

摘要翻译： 用于改变彼此按压的多个相对体之间的压力的压力调节器包括可在给定旋转方向上旋转的凸轮，并且在其外圆周表面上具有距离凸轮的旋转轴线最远的上止点。 驱动器连接到凸轮以驱动并旋转凸轮。 凸轮支架接触凸轮并且连接到多个相对体中的一个。 凸轮调节组件连接到凸轮以至少当凸轮的上止点通过凸轮接触凸轮支架的接触位置时调节凸轮的旋转。