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1. 发明申请

US20160041511A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
标题翻译：图像形成装置和图像形成方法
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。

2. 发明授权

US09690242B2 Fixing device and image forming apparatus incorporating same 有权
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.

3. 发明申请

US20170045850A1 FIXING DEVICE, FIXING METHOD, AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置，固定方法和图像形成装置
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。

4. 发明授权

US09395660B2 Image forming apparatus and image forming method including forming a cleaning toner image 有权
标题翻译：图像形成装置和图像形成方法，包括形成清洁调色剂图像
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。

5. 发明授权

US09720361B2 Belt device, fixing device, and image forming apparatus 有权
公开(公告)号：US09720361B2
公开(公告)日：2017-08-01
申请号：US15394372
申请日：2016-12-29
申请人： Yuusuke Furuichi , Yoshihiro Fukuhata , Tomohiko Fujii
发明人： Yuusuke Furuichi , Yoshihiro Fukuhata , Tomohiko Fujii
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , F16H7/02 , F16H7/08 , F16H7/18 , F16H2007/185 , G03G15/2017 , G03G15/2032 , G03G15/2064 , G03G2215/2038
摘要： A belt device includes an endless belt and a rotary driver contacting an outer circumferential surface of the belt to drive and rotate the belt. An opposed belt support is disposed opposite the rotary driver and in contact with an inner circumferential surface of the belt. A rotary belt support is disposed opposite the rotary driver via the opposed belt support and in contact with the inner circumferential surface of the belt. A belt support holder holds the opposed belt support and the rotary belt support to retain a predetermined interval between the opposed belt support and the rotary belt support. A biasing assembly presses against the belt support holder to move the opposed belt support and the rotary belt support collectively with respect to the rotary driver and bias the opposed belt support against the rotary driver.

6. 发明授权

US09791813B2 Fixing device and image forming apparatus 有权
公开(公告)号：US09791813B2
公开(公告)日：2017-10-17
申请号：US15384115
申请日：2016-12-19
申请人： Yoshihiro Fukuhata , Yuusuke Furuichi , Tomohiko Fujii
发明人： Yoshihiro Fukuhata , Yuusuke Furuichi , Tomohiko Fujii
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/2053 , G03G2215/0132 , G03G2215/2038
摘要： A fixing device includes a fixing belt formed into a loop rotatable in a predetermined direction of rotation and a pressure roller disposed opposite the fixing belt. The pressure roller includes a shaft fixedly positioned and a deformable elastic layer. A fixing pad is disposed inside the loop formed by the fixing belt and separably pressed against the pressure roller via the fixing belt to form a fixing nip between the fixing belt and the pressure roller, through which a recording medium bearing a toner image is conveyed. A biasing member biases the fixing pad and the fixing belt against the pressure roller. A stopper restricts motion of the fixing pad biased by the biasing member. The stopper contacts the fixing pad while the recording medium bearing the toner image is conveyed through the fixing nip.

7. 发明授权

US09568865B2 Belt device, fixing device, and image forming apparatus 有权
标题翻译：皮带装置，定影装置和成像装置
公开(公告)号：US09568865B2
公开(公告)日：2017-02-14
申请号：US14818466
申请日：2015-08-05
申请人： Yuusuke Furuichi , Yoshihiro Fukuhata , Tomohiko Fujii
发明人： Yuusuke Furuichi , Yoshihiro Fukuhata , Tomohiko Fujii
IPC分类号： G03G15/20 , F16H7/02 , F16H7/18 , F16H7/08
CPC分类号： G03G15/2053 , F16H7/02 , F16H7/08 , F16H7/18 , F16H2007/185 , G03G15/2017 , G03G15/2032 , G03G15/2064 , G03G2215/2038
摘要： A belt device includes an endless belt and a rotary driver contacting an outer circumferential surface of the belt to drive and rotate the belt. An opposed belt support is disposed opposite the rotary driver and in contact with an inner circumferential surface of the belt. A rotary belt support is disposed opposite the rotary driver via the opposed belt support and in contact with the inner circumferential surface of the belt. A belt support holder holds the opposed belt support and the rotary belt support to retain a predetermined interval between the opposed belt support and the rotary belt support. A biasing assembly presses against the belt support holder to move the opposed belt support and the rotary belt support collectively with respect to the rotary driver and bias the opposed belt support against the rotary driver.
摘要翻译：带装置包括环形带和旋转驱动器，其接触带的外周表面以驱动并旋转带。相对的皮带支撑件设置成与旋转驱动器相对并与皮带的内圆周表面接触。旋转皮带支撑件通过相对的皮带支撑件与旋转驱动器相对设置并与皮带的内周表面接触。带支撑架保持相对的皮带支撑件和旋转皮带支撑件，以在相对的皮带支撑件和旋转皮带支撑件之间保持预定的间隔。偏置组件压靠皮带支撑架，以相对于旋转驱动器集体地移动相对的皮带支撑件和旋转皮带支撑件，并将相对的皮带支撑件抵靠旋转驱动器偏置。

8. 发明授权

US09568869B2 Fixing device and image forming apparatus 有权
标题翻译：固定装置和成像装置
公开(公告)号：US09568869B2
公开(公告)日：2017-02-14
申请号：US14953947
申请日：2015-11-30
申请人： Yoshihiro Fukuhata , Yuusuke Furuichi , Tomohiko Fujii
发明人： Yoshihiro Fukuhata , Yuusuke Furuichi , Tomohiko Fujii
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/2053 , G03G2215/0132 , G03G2215/2038
摘要： A fixing device includes a fixing belt formed into a loop rotatable in a predetermined direction of rotation and a pressure roller disposed opposite the fixing belt. The pressure roller includes a shaft fixedly positioned and a deformable elastic layer. A fixing pad is disposed inside the loop formed by the fixing belt and separably pressed against the pressure roller via the fixing belt to form a fixing nip between the fixing belt and the pressure roller, through which a recording medium bearing a toner image is conveyed. A biasing member biases the fixing pad and the fixing belt against the pressure roller. A stopper restricts motion of the fixing pad biased by the biasing member. The stopper contacts the fixing pad while the recording medium bearing the toner image is conveyed through the fixing nip.
摘要翻译：定影装置包括形成为沿预定旋转方向旋转的环的定影带和与定影带相对设置的压力辊。压力辊包括固定定位的轴和可变形的弹性层。固定垫设置在由定影带形成的环的内部，并通过定影带可分离地压靠压力辊，以在定影带和压力辊之间形成定影辊隙，通过该固定夹持件传送带有调色剂图像的记录介质。偏置构件将固定垫和定影带偏置抵靠压力辊。止动器限制由偏置构件偏压的固定垫的运动。当承载调色剂图像的记录介质被传送通过定影辊隙时，止动件接触固定垫。

9. 发明授权

US09075385B2 Fixing device with hollow core heat roller and image forming apparatus with same 有权
标题翻译：具有中空加热辊的定影装置及其成像装置
公开(公告)号：US09075385B2
公开(公告)日：2015-07-07
申请号：US14022295
申请日：2013-09-10
申请人： Yoshihiro Fukuhata , Yoshiharu Takahashi
发明人： Yoshihiro Fukuhata , Yoshiharu Takahashi
IPC分类号： G03G15/20 , G03G21/16
CPC分类号： G03G21/1685 , G03G15/2053 , G03G2215/2038
摘要： An image forming apparatus includes an image forming unit to form a toner image on a recording medium and a fixing device. The fixing device includes a fixing belt to fix a toner image onto a recording medium transported to a fixing nip, a pressing member pressed against the fixing belt to form the fixing nip therebetween, a heating roller accommodating a heater to heat the fixing belt. A holder is provided to hold the heater at one end of the heater. An inner diameter of the heating roller and an outer diameter of the holder are substantially the same, and the heating roller and the holder partially overlap with each other in an axial direction of the heating roller. The interior and the exterior of the heating roller are preferably insulated by the heating roller and the holder by a prescribed degree not to change air pressure in the heating roller.
摘要翻译：图像形成装置包括在记录介质上形成调色剂图像的图像形成单元和定影装置。定影装置包括定影带，用于将调色剂图像固定到传送到定影辊隙的记录介质上，按压构件压靠在定影带上以在其间形成定影辊隙，加热辊容纳加热器以加热定影带。提供保持器以将加热器保持在加热器的一端。加热辊的内径和保持器的外径基本相同，并且加热辊和保持器在加热辊的轴向上部分地重叠。加热辊的内部和外部优选地通过加热辊和保持器以规定的程度绝热，而不改变加热辊中的空气压力。

10. 发明授权

US07885591B2 Fixing device including a heating unit and a pressurizing unit that includes a rotatable endless member and image forming apparatus having the same 有权
标题翻译：包括加热单元和包括可旋转环形构件的加压单元的固定装置和具有该加压单元的图像形成装置
公开(公告)号：US07885591B2
公开(公告)日：2011-02-08
申请号：US11685946
申请日：2007-03-14
申请人： Masahiro Yagi , Yoshihiro Fukuhata , Shigeru Obata
发明人： Masahiro Yagi , Yoshihiro Fukuhata , Shigeru Obata
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G2215/2009
摘要： A low-heat loss, belt nip-type fixing device achieves good recording medium separation performance without increasing the size of the device, prevents image misalignment, and achieves a high-quality image without placing a major burden on the recording medium. This fixing device comprises a heat-fixing roller having an elastic layer and a heat source; and a pressurizing unit having an elastic member with a flat surface for pressing an endless member. The endless member conveys a recording medium, against the elastic layer. A pressurizing spring biases the elastic member toward the side of the recording medium. Biasing is carried out using the pressurizing spring such that the amount of deformation of the elastic member approaches the saturation region (maximum amount of deformation) inside a region of a nip portion, which is formed between the elastic layer of the heat-fixing roller and the endless member of pressurizing unit, and through which is passed a recording medium carrying an unfixed toner image.
摘要翻译：低热损失的带夹式固定装置在不增加装置的尺寸，防止图像未对准的情况下实现良好的记录介质分离性能，并且在不对记录介质造成重大负担的情况下实现高质量的图像。该固定装置包括具有弹性层和热源的热定影辊; 以及具有用于按压环形构件的具有平坦表面的弹性构件的加压单元。环形构件将记录介质传送到弹性层。加压弹簧将弹性构件朝向记录介质的侧面偏压。使用加压弹簧进行偏压，使得弹性构件的变形量接近形成在热定影辊的弹性层和热定影辊的弹性层之间的夹持部的区域内的饱和区域（最大变形量）加压单元的环形构件，并通过其承载未定影调色剂图像的记录介质。

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