公开(公告)号：US20160041511A1

公开(公告)日：2016-02-11

申请号：US14798831

申请日：2015-07-14

申请人： Tomohiko FUJII ,  Masahiro Samei ,  Yoshiharu Takahashi ,  Daisuke Inoue ,  Yoshihiro Fukuhata ,  Minoru Toyoda

发明人： Tomohiko FUJII ,  Masahiro Samei ,  Yoshiharu Takahashi ,  Daisuke Inoue ,  Yoshihiro Fukuhata ,  Minoru Toyoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2025 ,  G03G2215/00531

摘要： An image forming apparatus includes an image forming device to form a cleaning toner image in a cleaning region on a cleaning sheet and a check toner image in a check region on the cleaning sheet. The image forming apparatus further includes a fixing device including a first rotator and a heater to heat the first rotator to a cleaning temperature that is lower than a fixing temperature to which the first rotator is heated in a print job and higher than a cold offset temperature at which toner adheres to the first rotator by cold offset. Each of the cleaning region and the check region has a length greater than a circumferential length of the first rotator. The cleaning region and the check region are disposed at a leading section and a trailing section of the cleaning sheet in a cleaning sheet conveyance direction, respectively.

摘要翻译： 图像形成装置包括图像形成装置，用于在清洁片上的清洁区域中形成清洁调色剂图像，并且在清洁片材上的检查区域中形成检查调色剂图像。 图像形成装置还包括定影装置，其包括第一旋转器和加热器，以将第一旋转器加热至低于在打印作业中加热第一旋转体的定影温度并高于冷偏移温度的清洁温度 调色剂通过冷偏移粘附到第一旋转器。 清洁区域和检查区域中的每一个具有大于第一旋转器的圆周长度的长度。 清洁区域和检查区域分别设置在清洁片材的引导部分和后部清洁片材输送方向上。

公开(公告)号：US09690242B2

公开(公告)日：2017-06-27

申请号：US15192521

申请日：2016-06-24

申请人： Masahiro Samei ,  Tomohiko Fujii ,  Yoshihiro Fukuhata ,  Tamotsu Ikeda ,  Minoru Toyoda ,  Yoshiharu Takahashi ,  Daisuke Inoue

发明人： Masahiro Samei ,  Tomohiko Fujii ,  Yoshihiro Fukuhata ,  Tamotsu Ikeda ,  Minoru Toyoda ,  Yoshiharu Takahashi ,  Daisuke Inoue

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2053 ,  G03G15/206 ,  G03G2215/2061 ,  G03G2215/2064

摘要： A fixing device includes a first rotary body, a second rotary body to contact the first rotary body, and a plain bearing that supports the first rotary body or the second rotary body. One rotary body of the first rotary body and the second rotary body has an outer diameter increasing, while the other rotary body has an outer diameter decreasing, in a curved line from an axial center portion to axial end portions of the first rotary body and the second rotary body at least between the first rotary body and the second rotary body. A recording medium passes between the first rotary body and the second rotary body with a circumferential component of a shear force generated between the first rotary body and the second rotary body by use of the plain bearing being in a range of from 15N to 25N.

公开(公告)号：US20170045850A1

公开(公告)日：2017-02-16

申请号：US15223611

申请日：2016-07-29

申请人： Tomohiko FUJII ,  Masahiro Samei ,  Tamotsu Ikeda ,  Yoshihiro Fukuhata ,  Minoru Toyoda ,  Yoshiharu Takahashi ,  Daisuke Inoue

发明人： Tomohiko FUJII ,  Masahiro Samei ,  Tamotsu Ikeda ,  Yoshihiro Fukuhata ,  Minoru Toyoda ,  Yoshiharu Takahashi ,  Daisuke Inoue

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G15/206 ,  G03G2221/1657

摘要： A fixing device includes a drive roller, a driven roller driven to rotate by the drive roller, and a braking force applicator. The driven roller presses against the drive roller to form an area of contact between the drive roller and the driven roller, through which a recording medium bearing a toner image passes. The braking force applicator applies a braking force to the driven roller to generate a shear force between the drive roller and the driven roller. The shear force acting between the drive roller and the driven roller when the drive roller and the driven roller rotate is in a range of from 15N to 25N.

摘要翻译： 定影装置包括驱动辊，被驱动辊驱动旋转的从动辊和制动力施加器。 从动辊压靠驱动辊，以形成驱动辊和从动辊之间的接触区域，通过该区域承载调色剂图像的记录介质通过。 制动力施加器对从动辊施加制动力，以在驱动辊和从动辊之间产生剪切力。 当驱动辊和从动辊旋转时作用在驱动辊和从动辊之间的剪切力在15N至25N的范围内。

公开(公告)号：US09395660B2

公开(公告)日：2016-07-19

申请号：US14798831

申请日：2015-07-14

申请人： Tomohiko Fujii ,  Masahiro Samei ,  Yoshiharu Takahashi ,  Daisuke Inoue ,  Yoshihiro Fukuhata ,  Minoru Toyoda

发明人： Tomohiko Fujii ,  Masahiro Samei ,  Yoshiharu Takahashi ,  Daisuke Inoue ,  Yoshihiro Fukuhata ,  Minoru Toyoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2025 ,  G03G2215/00531

摘要： An image forming apparatus includes an image forming device to form a cleaning toner image in a cleaning region on a cleaning sheet and a check toner image in a check region on the cleaning sheet. The image forming apparatus further includes a fixing device including a first rotator and a heater to heat the first rotator to a cleaning temperature that is lower than a fixing temperature to which the first rotator is heated in a print job and higher than a cold offset temperature at which toner adheres to the first rotator by cold offset. Each of the cleaning region and the check region has a length greater than a circumferential length of the first rotator. The cleaning region and the check region are disposed at a leading section and a trailing section of the cleaning sheet in a cleaning sheet conveyance direction, respectively.

摘要翻译： 图像形成装置包括图像形成装置，用于在清洁片上的清洁区域中形成清洁调色剂图像，并且在清洁片材上的检查区域中形成检查调色剂图像。 图像形成装置还包括定影装置，其包括第一旋转器和加热器，以将第一旋转器加热至低于在打印作业中加热第一旋转体的定影温度并高于冷偏移温度的清洁温度 调色剂通过冷偏移粘附到第一旋转器。 清洁区域和检查区域中的每一个具有大于第一旋转器的圆周长度的长度。 清洁区域和检查区域分别设置在清洁片材的引导部分和后部清洁片材输送方向上。

公开(公告)号：US09342044B2

公开(公告)日：2016-05-17

申请号：US13953966

申请日：2013-07-30

申请人： Yutaka Naitoh ,  Tomohiko Fujii ,  Minoru Toyoda ,  Hitoshi Fujiwara ,  Tomoya Adachi ,  Yasuharu Kawarasaki ,  Tetsu Morino ,  Isamu Kubo ,  Yoshiharu Takahashi

发明人： Yutaka Naitoh ,  Tomohiko Fujii ,  Minoru Toyoda ,  Hitoshi Fujiwara ,  Tomoya Adachi ,  Yasuharu Kawarasaki ,  Tetsu Morino ,  Isamu Kubo ,  Yoshiharu Takahashi

IPC分类号： G03G15/20 ,  G03G21/16

CPC分类号： G03G21/1685 ,  G03G15/2053 ,  G03G2215/2035

摘要： A fixing unit includes an endless belt accommodating a heat source inside a loop formed by the endless belt, a rotary pressing member rotating in contact with the endless belt in a pressure contact section, and a heat transfer member secured to a side plate within the loop of the endless belt to support and heat the endless belt with heat conducted from the heat source. The heat transfer member has an opening opposite the rotary pressing member. A securing member is disposed in the opening of the heat transfer member in pressure contact with the rotary pressing member via the endless belt. The heat transfer member and the securing member collectively include a pair of latching parts to firmly connect the heat transfer member and the securing member with each other when one of the latching parts is fitted to the other one of the latching parts.

摘要翻译： 定影单元包括：环形带，其在由环形带形成的环内容纳热源;旋转按压构件，其在压力接触部分中与环形带接触旋转;以及传热构件，固定到环内的侧板 的环形带，以便从热源传导的热量来支撑和加热环形带。 传热构件具有与旋转按压构件相对的开口。 固定构件设置在传热构件的开口中，经由环形带与旋转按压构件压力接触。 传热构件和固定构件共同包括一对闩锁部件，当一个闩锁部件嵌合到另一个闩锁部件中时，将传热构件和固定构件彼此牢固地连接。

公开(公告)号：US09104150B2

公开(公告)日：2015-08-11

申请号：US14012340

申请日：2013-08-28

申请人： Minoru Toyoda ,  Tomohiko Fujii ,  Tomoya Adachi ,  Yutaka Naitoh ,  Yoshiharu Takahashi ,  Hitoshi Fujiwara ,  Yasuharu Kawarasaki

发明人： Minoru Toyoda ,  Tomohiko Fujii ,  Tomoya Adachi ,  Yutaka Naitoh ,  Yoshiharu Takahashi ,  Hitoshi Fujiwara ,  Yasuharu Kawarasaki

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G2215/2035

摘要： A fixing unit includes an endless belt unit accommodating a heat source, a pressure roller to rotate in contact with the fixing belt unit forming a pressure border therebetween, and a heat transfer member heated by the heat source to heat the fixing belt unit. The heat transfer member is secured inside an inner circumferential surface of the fixing belt unit and supports the fixing belt unit. A fixed member is secured inside the inner circumferential surface of the fixing belt unit and is pressed against the pressure roller via the fixing belt unit. The heat transfer member has at least one convex portion partially formed in an outer circumferential surface of the heat transfer member in a rotational direction of the fixing belt unit and a longitudinal direction of the heat transfer member to narrow a gap formed between the heat transfer member and the fixing belt unit.

摘要翻译： 固定单元包括容纳热源的环形带单元，与形成其间的压力边界的定影带单元接触地旋转的加压辊和由热源加热的传热构件以加热定影带单元。 传热构件固定在定影带单元的内圆周表面内并支撑定影带单元。 固定部件固定在定影带单元的内周面内，经由定影带单元被压靠压力辊。 传热构件具有至少一个凸部，该凸部部分地沿着定影带单元的旋转方向在传热构件的外周面中形成，并且传热构件的纵向方向使形成在传热构件之间的间隙变窄 和定影带单元。

公开(公告)号：US09063486B2

公开(公告)日：2015-06-23

申请号：US14040866

申请日：2013-09-30

申请人： Shigeo Nanno ,  Yutaka Naitoh ,  Minoru Toyoda ,  Tomohiko Fujii ,  Hitoshi Fujiwara

发明人： Shigeo Nanno ,  Yutaka Naitoh ,  Minoru Toyoda ,  Tomohiko Fujii ,  Hitoshi Fujiwara

IPC分类号： G03G15/20

CPC分类号： G03G15/2028 ,  G03G15/2053 ,  G03G2215/2035

摘要： A fixing device includes a heat conductor disposed opposite an inner circumferential surface of an endless belt to heat the endless belt. A nip formation pad is disposed opposite the inner circumferential surface of the endless belt and presses the endless belt against a pressing rotary body to form a fixing nip between the endless belt and the pressing rotary body through which a recording medium bearing a toner image is conveyed. A support is disposed opposite an inner circumferential surface of the heat conductor and contacts an abutment face of the nip formation pad to support the nip formation pad against pressure from the pressing rotary body. A heat insulator is interposed between the heater and the nip formation pad and the support to shield the nip formation pad and the support from the heater.

摘要翻译： 定影装置包括与环形带的内周面相对设置的加热导体的加热导体。 压区形成垫与环形带的内圆周表面相对地设置，并将环形带压靠在压制旋转体上，以在环形带和压制旋转体之间形成定影辊隙，通过该压紧旋转体，承载调色剂图像的记录介质 。 支撑件布置成与导热体的内圆周表面相对并且接触压区形成垫的邻接表面以支撑压区形成垫抵抗来自压制旋转体的压力。 加热器和辊隙形成垫和支撑件之间插入绝热体，以将压区形成垫和支撑件从加热器屏蔽。

公开(公告)号：US09164435B2

公开(公告)日：2015-10-20

申请号：US14084127

申请日：2013-11-19

申请人： Tomoya Adachi ,  Atsushi Takehara ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Minoru Toyoda ,  Hitoshi Fujiwara ,  Yasuharu Kawarasaki ,  Naoki Nakatake ,  Keiji Kunimi ,  Takahiro Sanada ,  Yasuhide Matsuno ,  Rumi Miyazaki ,  Kyoko Abe ,  Takeshi Yamashita ,  Yasuhiro Fujiwara

发明人： Tomoya Adachi ,  Atsushi Takehara ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Minoru Toyoda ,  Hitoshi Fujiwara ,  Yasuharu Kawarasaki ,  Naoki Nakatake ,  Keiji Kunimi ,  Takahiro Sanada ,  Yasuhide Matsuno ,  Rumi Miyazaki ,  Kyoko Abe ,  Takeshi Yamashita ,  Yasuhiro Fujiwara

IPC分类号： G03G15/20

CPC分类号： G03G15/2028 ,  G03G15/2064 ,  G03G2215/2035 ,  G03G2215/2061

摘要： A fixing device includes a nip formation pad disposed opposite an inner circumferential surface of an endless belt and a pressing rotary body pressed against the nip formation pad via the endless belt to form a fixing nip between the endless belt and the pressing rotary body, through which a recording medium is conveyed. The pressing rotary body has a diameter increasing from a center to each lateral end in an axial direction thereof. The nip formation pad includes a projection disposed downstream from a rotation axis of the pressing rotary body in a recording medium conveyance direction. The projection projects toward the pressing rotary body in an amount increasing from each lateral end to a center in a longitudinal direction of the nip formation pad parallel to the axial direction of the pressing rotary body.

摘要翻译： 定影装置包括与环形带的内圆周表面相对设置的压区形成垫，以及通过环形带压靠压区形成垫的压制旋转体，以在环形带和压制旋转体之间形成定影辊隙， 传送记录介质。 按压旋转体的直径从轴心方向的中心向各侧端增大。 压区形成垫包括在记录介质传送方向上设置在按压旋转体的旋转轴线的下游的突起。 突起朝向按压旋转体突出地以与挤压旋转体的轴向方向平行的压区形成垫的纵向方向上的每个横向端部至中心的量增加。

公开(公告)号：US08693936B2

公开(公告)日：2014-04-08

申请号：US13346061

申请日：2012-01-09

申请人： Shigeo Nanno ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Tomoya Adachi ,  Minoru Toyoda

发明人： Shigeo Nanno ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Tomoya Adachi ,  Minoru Toyoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a heat pipe, a fuser belt, a heater, a fuser pad, a pressure member, and a coupling mechanism. The heat pipe is formed of a sheet of metal bent into a generally cylindrical configuration with a pair of opposed longitudinal edges thereof spaced apart from each other to define a longitudinal slot therebetween. The fuser belt is looped for rotation around the heat pipe. The heater is disposed within the heat pipe to heat the heat pipe to conduct heat to the fuser belt. The fuser pad is accommodated in the longitudinal slot of the heat pipe inside the loop of the fuser belt. The pressure member is disposed parallel to the heat pipe with the fuser belt interposed between the fuser pad and the pressure member. The coupling mechanism includes a pair of first coupling portion and a pair of second coupling portions.

摘要翻译： 固定装置包括热管，定影带，加热器，定影垫，压力构件和联接机构。 热管由弯曲成大致圆柱形构造的金属片形成，其一对相对的纵向边缘彼此间隔开，以在它们之间形成纵向槽。 定影带环绕热管旋转。 加热器设置在热管内以加热热管以将热量传导到定影带。 定影垫容纳在定影带环内的热管的纵向槽中。 压力构件平行于热管布置，定影带插入在定影垫和压力构件之间。 联接机构包括一对第一联接部和一对第二联接部。

公开(公告)号：US20120177422A1

公开(公告)日：2012-07-12

申请号：US13346061

申请日：2012-01-09

申请人： Shigeo NANNO ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Tomoya Adachi ,  Minoru Toyoda

发明人： Shigeo NANNO ,  Tomohiko Fujii ,  Yutaka Naitoh ,  Tomoya Adachi ,  Minoru Toyoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes a heat pipe, a fuser belt, a heater, a fuser pad, a pressure member, and a coupling mechanism. The heat pipe is formed of a sheet of metal bent into a generally cylindrical configuration with a pair of opposed longitudinal edges thereof spaced apart from each other to define a longitudinal slot therebetween. The fuser belt is looped for rotation around the heat pipe. The heater is disposed within the heat pipe to heat the heat pipe to conduct heat to the fuser belt. The fuser pad is accommodated in the longitudinal slot of the heat pipe inside the loop of the fuser belt. The pressure member is disposed parallel to the heat pipe with the fuser belt interposed between the fuser pad and the pressure member. The coupling mechanism includes a pair of first coupling portion and a pair of second coupling portions.

摘要翻译： 固定装置包括热管，定影带，加热器，定影垫，压力构件和联接机构。 热管由弯曲成大致圆柱形构造的金属片形成，其一对相对的纵向边缘彼此间隔开，以在它们之间形成纵向槽。 定影带环绕热管旋转。 加热器设置在热管内以加热热管以将热量传导到定影带。 定影垫容纳在定影带环内的热管的纵向槽中。 压力构件平行于热管布置，定影带插入在定影垫和压力构件之间。 联接机构包括一对第一联接部和一对第二联接部。