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1. 发明授权

US09599938B2 Image forming apparatus and image forming method for controlling a primary heating and a secondary heating of a fixing device 有权
公开(公告)号：US09599938B2
公开(公告)日：2017-03-21
申请号：US14609028
申请日：2015-01-29
申请人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
发明人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： An image forming apparatus includes a controller including a primary heating control portion that determines a first amount of power supplied to a heater based on a temperature of a fixing rotator detected by a temperature detector and controls the heater to perform a primary heating to heat the fixing rotator with the first amount of power, a secondary heating control portion that controls the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion that controls the heater to switch between the primary heating and the secondary heating during an identical print job without changing a target temperature of the fixing rotator.

2. 发明授权

US09274465B2 Image forming apparatus with a heater controller and image forming method to control heating 有权
标题翻译：具有加热器控制器的图像形成装置和用于控制加热的图像形成方法
公开(公告)号：US09274465B2
公开(公告)日：2016-03-01
申请号：US14602766
申请日：2015-01-22
申请人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
发明人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2035
摘要： An image forming apparatus includes a controller including a primary heating control portion to control a heater to perform a primary heating to heat a fixing rotator with a first amount of power determined based on a temperature of the fixing rotator, a secondary heating control portion to control the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion to control the heater to switch between the primary heating and the secondary heating during an identical print job and to perform at least one of a primary switching from the primary heating to the secondary heating and a secondary switching from the secondary heating to the primary heating at a time different from a preset control cycle that defines a power supply time in the primary heating and the secondary heating.
摘要翻译：图像形成装置包括控制器，该控制器包括主加热控制部分，用于控制加热器以基于定影旋转器的温度确定的第一功率量来对定影旋转器进行加热;第二加热控制部分，用于控制所述加热器以预定的第二量的功率进行二次加热以加热所述定影旋转器;以及开关部分，用于在相同的打印作业期间控制所述加热器在所述一次加热和所述二次加热之间切换，并且执行以下步骤中的至少一个：从初级加热到二次加热的主要切换以及与在一次加热和二次加热中限定供电时间的预设控制周期不同的时间从二次加热到主加热的二次切换。

3. 发明申请

US20150220028A1 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：US20150220028A1
公开(公告)日：2015-08-06
申请号：US14602766
申请日：2015-01-22
申请人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
发明人： Masahiro Samei , Tomoya Adachi , Daisuke Inoue , Yasuharu Kawarasaki , Yoshiharu Takahashi
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2035
摘要： An image forming apparatus includes a controller including a primary heating control portion to control a heater to perform a primary heating to heat a fixing rotator with a first amount of power determined based on a temperature of the fixing rotator, a secondary heating control portion to control the heater to perform a secondary heating to heat the fixing rotator with a preset second amount of power, and a switch portion to control the heater to switch between the primary heating and the secondary heating during an identical print job and to perform at least one of a primary switching from the primary heating to the secondary heating and a secondary switching from the secondary heating to the primary heating at a time different from a preset control cycle that defines a power supply time in the primary heating and the secondary heating.
摘要翻译：图像形成装置包括控制器，该控制器包括主加热控制部分，用于控制加热器以基于定影旋转器的温度确定的第一功率量来对定影旋转器进行加热;第二加热控制部分，用于控制所述加热器以预定的第二量的功率进行二次加热以加热所述定影旋转器;以及开关部分，用于在相同的打印作业期间控制所述加热器在所述一次加热和所述二次加热之间切换，并且执行以下步骤中的至少一个：从初级加热到二次加热的主要切换以及与在一次加热和二次加热中限定供电时间的预设控制周期不同的时间从二次加热到主加热的二次切换。

4. 发明申请

US20160378028A1 SEPARATOR, FIXING DEVICE, AND IMAGE FORMING APPARATUS 有权
标题翻译：分离器，固定装置和图像形成装置
公开(公告)号：US20160378028A1
公开(公告)日：2016-12-29
申请号：US15158391
申请日：2016-05-18
申请人： Hitoshi Fujiwara , Tomoya Adachi , Tomohiko Fujii , Masahiro Samei , Yutaka Naitoh , Yoshiharu Takahashi , Yasuharu Kawarasaki , Kenta Kashiwagi , Kohta Sakaya
发明人： Hitoshi Fujiwara , Tomoya Adachi , Tomohiko Fujii , Masahiro Samei , Yutaka Naitoh , Yoshiharu Takahashi , Yasuharu Kawarasaki , Kenta Kashiwagi , Kohta Sakaya
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A separator for separating a recording medium from a fixing rotator includes a separation body including a front end and a conveyance path side face. The front end is disposed in proximity to an outer circumferential surface of the fixing rotator. The conveyance path side face faces a conveyance path where the recording medium is conveyed. At least one rotary separation aid projects beyond the conveyance path side face of the separation body toward the conveyance path. The rotary separation aid is rotated by the recording medium as the recording medium comes into contact with the rotary separation aid.
摘要翻译：用于从定影旋转器分离记录介质的分离器包括：分离体，其包括前端和输送路侧面。前端设置在固定旋转体的外周面附近。输送路侧面面向输送记录介质的输送路径。至少一个旋转分离助剂超过分离体的输送路侧面朝向输送路径突出。当记录介质与旋转分离助剂接触时，旋转分离助剂由记录介质旋转。

5. 发明授权

US09740147B2 Separator, fixing device, and image forming apparatus 有权
公开(公告)号：US09740147B2
公开(公告)日：2017-08-22
申请号：US15158391
申请日：2016-05-18
申请人： Hitoshi Fujiwara , Tomoya Adachi , Tomohiko Fujii , Masahiro Samei , Yutaka Naitoh , Yoshiharu Takahashi , Yasuharu Kawarasaki , Kenta Kashiwagi , Kohta Sakaya
发明人： Hitoshi Fujiwara , Tomoya Adachi , Tomohiko Fujii , Masahiro Samei , Yutaka Naitoh , Yoshiharu Takahashi , Yasuharu Kawarasaki , Kenta Kashiwagi , Kohta Sakaya
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A separator for separating a recording medium from a fixing rotator includes a separation body including a front end and a conveyance path side face. The front end is disposed in proximity to an outer circumferential surface of the fixing rotator. The conveyance path side face faces a conveyance path where the recording medium is conveyed. At least one rotary separation aid projects beyond the conveyance path side face of the separation body toward the conveyance path. The rotary separation aid is rotated by the recording medium as the recording medium comes into contact with the rotary separation aid.

6. 发明授权

US09342044B2 Fixing device and image forming apparatus and method of assembling the fixing device 有权
标题翻译：固定装置和成像装置以及组装定影装置的方法
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。

7. 发明授权

US09104150B2 Fixing unit, image forming apparatus incorporating the fixing unit, and image forming method 有权
标题翻译：固定单元，包括定影单元的成像设备和图像形成方法
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。

8. 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.

9. 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。

10. 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。

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