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1. 发明授权

US10234798B2 Fixing device and image forming apparatus incorporating same 有权
公开(公告)号：US10234798B2
公开(公告)日：2019-03-19
申请号：US16020155
申请日：2018-06-27
申请人： Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
发明人： Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
IPC分类号： G03G15/20
摘要： A fixing device includes a fixing rotator, a pressure rotator, and a pressure assembly that forms a fixing nip therebetween and includes a first adjuster and a second adjuster. The first adjuster includes a pressure cam, a first biasing device, a first pressure lever that holds the pressure rotator, and a second pressure lever that moves with the pressure cam and presses against the first pressure lever via the first biasing device. The first adjuster adjusts a load of the first biasing device to adjust a pressure force from the pressure rotator to the fixing rotator. The second adjuster includes an adjustment screw is driven into the second pressure lever, and a retainer that retains an adjusted state between the adjustment screw and the first pressure lever. The second adjuster adjusts a holding position of the first pressure lever to hold the pressure rotator.

2. 发明申请

US20190018348A1 FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
公开(公告)号：US20190018348A1
公开(公告)日：2019-01-17
申请号：US16020155
申请日：2018-06-27
申请人： Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
发明人： Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
IPC分类号： G03G15/20
摘要： A fixing device includes a fixing rotator, a pressure rotator, and a pressure assembly that forms a fixing nip therebetween and includes a first adjuster and a second adjuster. The first adjuster includes a pressure cam, a first biasing device, a first pressure lever that holds the pressure rotator, and a second pressure lever that moves with the pressure cam and presses against the first pressure lever via the first biasing device. The first adjuster adjusts a load of the first biasing device to adjust a pressure force from the pressure rotator to the fixing rotator. The second adjuster includes an adjustment screw is driven into the second pressure lever, and a retainer that retains an adjusted state between the adjustment screw and the first pressure lever. The second adjuster adjusts a holding position of the first pressure lever to hold the pressure rotator.

3. 发明申请

US20190011864A1 FIXING DEVICE CONTROLLER, IMAGE FORMING APPARATUS, FIXING DEVICE CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM STORING FIXING DEVICE CONTROL PROGRAM 审中-公开
公开(公告)号：US20190011864A1
公开(公告)日：2019-01-10
申请号：US16021060
申请日：2018-06-28
申请人： Teppei KAWATA , Shinichi Namekata , Akiyasu Amita , Masateru Ujiie , Yohhei Watanabe , Fumihiro Hirose , Takashi Sakamaki
发明人： Teppei KAWATA , Shinichi Namekata , Akiyasu Amita , Masateru Ujiie , Yohhei Watanabe , Fumihiro Hirose , Takashi Sakamaki
IPC分类号： G03G15/20 , G03G15/16
摘要： A fixing device controller includes a plurality of voltage detectors to detect voltages of a plurality of power sources for supplying power to a plurality of heaters to heat a fixing member of a fixing device that fixes a toner image on a recording medium and a heater controller to execute duty control to turn on the plurality of heaters. The heater controller corrects a duty of at least one of the plurality of heaters based on the voltages detected by the plurality of voltage detectors and rated output values of the plurality of heaters.

4. 发明授权

US10191423B2 Image forming apparatus including a fixing device 有权
公开(公告)号：US10191423B2
公开(公告)日：2019-01-29
申请号：US15708734
申请日：2017-09-19
申请人： Ryohhei Sugiyama , Hironori Yamaoka , Takashi Sakamaki , Tetsuo Tokuda , Akiyasu Amita , Shinichi Namekata , Yohhei Watanabe , Fumihiro Hirose , Teppei Kawata , Masateru Ujiie
发明人： Ryohhei Sugiyama , Hironori Yamaoka , Takashi Sakamaki , Tetsuo Tokuda , Akiyasu Amita , Shinichi Namekata , Yohhei Watanabe , Fumihiro Hirose , Teppei Kawata , Masateru Ujiie
IPC分类号： G03G15/20
摘要： An image forming apparatus includes a fixing belt stretched across a first roller and a second roller including an elastic layer. A pressure rotator presses against the second roller via the fixing belt to form a fixing nip between the pressure rotator and the fixing belt. A recording medium bearing a toner image is conveyed through the fixing nip. A clearance detector detects a clearance between the first roller and the second roller. A mover moves the pressure rotator with respect to the second roller in a pressing direction in which the pressure rotator presses against the second roller via the fixing belt and a separation direction in which the pressure rotator separates from the second roller. A controller controls an amount of movement of the pressure rotator moved by the mover toward the second roller based on the clearance detected by the clearance detector.

5. 发明授权

US11550246B2 Image forming apparatus 有权
公开(公告)号：US11550246B2
公开(公告)日：2023-01-10
申请号：US17458853
申请日：2021-08-27
申请人： Akiyasu Amita , Tetsuo Tokuda , Masateru Ujiie , Fumihiro Hirose , Daisuke Arai
发明人： Akiyasu Amita , Tetsuo Tokuda , Masateru Ujiie , Fumihiro Hirose , Daisuke Arai
IPC分类号： G03G15/20
摘要： An image forming apparatus includes a fixing device and circuitry. The fixing device includes a fixing rotator, an electromagnetic induction heater configured to heat the fixing rotator, and a magnetic flux control member. The circuitry is configured to control the electromagnetic induction heater to lead a temperature of the fixing rotator to a target temperature and change an upper limit of power supplied to the electromagnetic induction heater based on the target temperature.

6. 发明授权

US09195201B2 Gloss applicator and image forming apparatus including the gloss applicator 有权
标题翻译：光泽涂布器和包括光泽涂布器的成像设备
公开(公告)号：US09195201B2
公开(公告)日：2015-11-24
申请号：US14488391
申请日：2014-09-17
申请人： Hiroyuki Shimada , Akiyasu Amita
发明人： Hiroyuki Shimada , Akiyasu Amita
IPC分类号： G03G15/20 , G03G15/00
CPC分类号： G03G15/6585
摘要： A gloss applicator includes a belt to feed a recording material, including a substrate and a surface layer contacting a surface of the recording material an image is formed on; a heater to heat the belt; and a cooler to cool the belt. The surface layer is not an elastomer, the recording material is fed while the belt contacts the surface thereof, the belt heated by the heater heats the recording material, the belt cooled by the cooler cools the recording material, and the recording material is released from the belt.
摘要翻译：光泽施加器包括用于馈送记录材料的带，包括基底和与记录材料的表面接触形成图像的表面层; 用于加热带的加热器; 和一个冷却器来冷却皮带。表面层不是弹性体，当皮带与其表面接触时，记录材料被进给，由加热器加热的带加热记录材料，由冷却器冷却的带子冷却记录材料，并且记录材料从皮带。

7. 发明授权

US08401452B2 Fixing device with gloss control unit and image forming apparatus 失效
标题翻译：具有光泽度控制单元和图像形成装置的固定装置
公开(公告)号：US08401452B2
公开(公告)日：2013-03-19
申请号：US12878686
申请日：2010-09-09
申请人： Akiyasu Amita , Hiroyuki Kunii , Shuntaroh Tamaki
发明人： Akiyasu Amita , Hiroyuki Kunii , Shuntaroh Tamaki
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G2215/00805 , G03G2215/2006 , G03G2215/2032
摘要： A fixing device including a fixing unit that fixes a toner image on a recording material by application of heat and pressure, and a glossing unit that controls a gloss of the toner image fixed on the recording material. The glossing unit includes a heating roller, an endless belt stretched taut over multiple rollers including the heating roller, a pressing roller pressed against the heating roller with the endless belt therebetween to form a nip therebetween, and a separating member that separates the recording material from the endless belt downstream from the nip. The multiple rollers are positioned to maintain the recording material in contact with the endless belt for a predetermined distance downstream from the nip. The separating member is movable along the endless belt downstream from the nip, to control a length of contact between the recording material and the endless belt.
摘要翻译：一种定影装置，包括通过施加热和压力将调色剂图像定影在记录材料上的定影单元和控制固定在记录材料上的调色剂图像的光泽的光泽单元。该光泽单元包括一加热辊，一拉伸在包括该加热辊的多个辊子上的环形带，一压紧滚筒上的循环带之间的压辊，以在其间形成一个辊隙，以及一分隔件，从压区下游的环形带。定位多个辊子以使记录材料保持与环形带接触在辊隙下游预定的距离。分离构件可沿着辊隙下游的环形带移动，以控制记录材料与环形带之间的接触长度。

8. 发明授权

US08131198B2 Image forming apparatus, fixing unit, and image forming method with improved heating mechanism 失效
标题翻译：图像形成装置，定影单元和具有改进的加热机构的图像形成方法
公开(公告)号：US08131198B2
公开(公告)日：2012-03-06
申请号：US11485395
申请日：2006-07-13
申请人： Kenji Ishii , Keizo Yasuda , Akiyasu Amita , Kenichi Hasegawa , Yasuhiro Kohira , Yasutada Tsukioka , Masaya Shitami , Satoshi Ueno
发明人： Kenji Ishii , Keizo Yasuda , Akiyasu Amita , Kenichi Hasegawa , Yasuhiro Kohira , Yasutada Tsukioka , Masaya Shitami , Satoshi Ueno
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2016 , G03G2215/2032
摘要： An image forming apparatus includes an image forming mechanism to form a toner image on a recording medium according to image data and a fixing mechanism to fix the toner image on the recording medium. The fixing mechanism includes a fixing member and an external heater. The fixing member applies heat to the recording medium having the toner image. The external heater heats the fixing member and is formed in a shape corresponding to a surface of the fixing member. The external heater is disposed as if to engage and yet be spaced apart from the fixing member by a distance which is variable according to movement of the external heater.
摘要翻译：图像形成装置包括：图像形成机构，用于根据图像数据在记录介质上形成调色剂图像;以及固定机构，用于将调色剂图像定影在记录介质上。固定机构包括固定部件和外部加热器。固定构件对具有调色剂图像的记录介质施加热量。外部加热器加热固定构件并形成为与固定构件的表面对应的形状。外部加热器被设置成与固定构件接合并且与外部加热器的移动可变的距离相互间隔开。

9. 发明申请

US20120008153A1 IMAGE FORMING APPARATUS 失效
标题翻译：图像形成装置
公开(公告)号：US20120008153A1
公开(公告)日：2012-01-12
申请号：US13158923
申请日：2011-06-13
申请人： Hiroyuki KUNII , Akiyasu Amita , Shuntaroh Tamaki
发明人： Hiroyuki KUNII , Akiyasu Amita , Shuntaroh Tamaki
IPC分类号： H04N1/60
CPC分类号： B41C1/00 , G03G15/224 , G03G15/6585 , G03G2215/00561 , G03G2215/00666 , G03G2215/2006
摘要： An image forming apparatus includes an image forming unit to form a color toner image using a color toner and a transparent layer using a transparent toner on a sheet of recording media, a sheet conveyance unit to transport the sheet, a 3D display lens forming unit disposed downstream from the image forming unit in a sheet conveyance direction, and a controller. The 3D display lens forming unit includes a shaping member including an uneven portion having predetermined surface unevenness, and a pressure member to press the shaping member against the sheet, forming a shaping nip between the shaping member and the pressure member. The 3D display lens forming unit shapes the transparent layer that is an outermost layer on the sheet into a stereoscopic display lens by transferring the surface unevenness of the uneven portion of the shaping member to the transparent layer formed on the sheet.
摘要翻译：图像形成装置包括图像形成单元，用于使用彩色调色剂形成彩色调色剂图像，并且使用透明调色剂在记录介质片上形成透明层;输送片材的片材传送单元，在图像形成单元的纸张输送方向下游，以及控制器。 3D显示透镜形成单元包括：成形构件，包括具有预定表面凹凸的凹凸部分;以及将成形构件压靠在片材上的压力构件，在成形构件和压力构件之间形成成形夹持部。 3D显示透镜形成单元通过将成形构件的不平坦部分的表面凹凸转移到形成在片材上的透明层，将作为片材上的最外层的透明层形成立体显示镜。

10. 发明授权

US07373094B2 Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor 有权
标题翻译：具有多个加热器的固定单元，图像形成装置和确定温度传感器的温度检测位置的方法
公开(公告)号：US07373094B2
公开(公告)日：2008-05-13
申请号：US11582991
申请日：2006-10-19
申请人： Kazuhito Kishi , Yasuhisa Kato , Akiyasu Amita , Masami Okamoto , Yasutada Tsukioka , Hiromasa Takagi
发明人： Kazuhito Kishi , Yasuhisa Kato , Akiyasu Amita , Masami Okamoto , Yasutada Tsukioka , Hiromasa Takagi
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： A fixing unit thermally fixes a toner on a recording medium by a fixing member having a plurality of internal heaters and an outer peripheral surface, and a temperature sensor detects a surface temperature of the fixing member at a temperature detecting position. At least one first heater, of the heaters, receives power from a first power supply, and remaining second heaters receive power from a second power supply. One of the second heaters closest to the temperature detecting position is the same distance from the temperature detecting position as or is closer to the temperature detecting position than a first heater which is closest to the temperature detecting position.
摘要翻译：定影单元通过具有多个内部加热器和外周面的固定构件将调色剂热定影在记录介质上，温度传感器在温度检测位置检测定影构件的表面温度。加热器中的至少一个第一加热器从第一电源接收电力，并且剩余的第二加热器从第二电源接收电力。距离温度检测位置最近的第二加热器中的一个与距离温度检测位置最接近的第一加热器距离温度检测位置相同或距离温度检测位置相同的距离。

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