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1. 发明申请

US20160306311A1 DRIVE TRANSMISSION UNIT, FIXING DEVICE WITH DRIVE TRANSMISSION UNIT, AND IMAGE FORMING APPARATUS HAVING FIXING DEVICE WITH DRIVE TRANSMISSION UNIT 有权
标题翻译：驱动传输单元，具有驱动传输单元的固定装置和具有驱动传输单元的固定装置的图像形成装置
公开(公告)号：US20160306311A1
公开(公告)日：2016-10-20
申请号：US15132401
申请日：2016-04-19
申请人： Hiroshi ONO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hironori YAMAOKA , Ryohhei SUGIYAMA , Yamano MOTOYOSHI
发明人： Hiroshi ONO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hironori YAMAOKA , Ryohhei SUGIYAMA , Yamano MOTOYOSHI
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , F16H25/14 , F16H37/12 , G03G15/2025 , G03G21/1647 , G03G2215/0129 , G03G2215/2032
摘要： A drive transmission unit transmits driving force to a driven unit including a driven rotator coupled to the drive transmission unit via a unit coupler. The drive transmission unit includes a driving source, a drive transmission member to transmit driving force from the driving source to the driven rotator by engaging the driven rotator, and a basal plate with a turning shaft portion at one end thereof. The basal plate supports the driving source and the drive transmission member thereon. The drive transmission unit is turned around the turning shaft portion together with the driven unit in a direction substantially orthogonal to a direction of a driving reaction force applied to the drive transmission member when the driven rotator receives the driving force from the drive transmission member.
摘要翻译：驱动传递单元将驱动力传递到包括经由单元耦合器联接到驱动传输单元的从动转子的从动单元。驱动传递单元包括驱动源，驱动传递构件，用于通过接合从动旋转体将驱动力传递到从动旋转体，以及在其一端具有转动轴部的基板。基板在其上支撑驱动源和驱动传递构件。驱动传递单元在被驱动旋转体受到来自驱动传递部件的驱动力的驱动传递部件的驱动反作用力的方向大致正交的方向上与被驱动部件一起转动。

2. 发明申请

US20170146933A1 FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING FIXING DEVICE 有权
公开(公告)号：US20170146933A1
公开(公告)日：2017-05-25
申请号：US15352782
申请日：2016-11-16
申请人： Motoyoshi YAMANO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hiroshi ONO , Hironori YAMAOKA , Ryohhei SUGIYAMA , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Hideo NAGAFUJI
发明人： Motoyoshi YAMANO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hiroshi ONO , Hironori YAMAOKA , Ryohhei SUGIYAMA , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Hideo NAGAFUJI
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2032 , G03G15/2064
摘要： A fixing device includes a heater, a fixing rotator, a pressure rotator to press against the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator, through which a recording medium is conveyed, a moving device to move the pressure rotator in directions in which the pressure rotator comes into contact with and separates from the fixing rotator, a thermal expansion amount predictor to predict an amount of thermal expansion of the fixing rotator while the recording medium is conveyed, and a nip width adjuster to control a moving distance of the pressure rotator moved by the moving device toward the fixing rotator, depending on the amount of thermal expansion of the fixing rotator predicted by the thermal expansion amount predictor, so as to adjust a width of the fixing nip to maintain a substantially constant width of the fixing nip.

3. 发明申请

US20170131666A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
公开(公告)号：US20170131666A1
公开(公告)日：2017-05-11
申请号：US15293881
申请日：2016-10-14
申请人： Ryohhei SUGIYAMA , Hiroshi ONO , Hironori YAMAOKA , Motoyoshi YAMANO , Yoshikuni SASAKI , Tetsuo TOKUDA
发明人： Ryohhei SUGIYAMA , Hiroshi ONO , Hironori YAMAOKA , Motoyoshi YAMANO , Yoshikuni SASAKI , Tetsuo TOKUDA
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： An image forming apparatus includes a fixing rotator rotatable in a predetermined direction of rotation, over which a recording medium is conveyed, and a heater to heat the fixing rotator. A temperature detector detects a temperature of the fixing rotator. A controller performs a primary productivity control to define a primary productivity rate of printing per unit time based on the temperature of the fixing rotator that is detected by the temperature detector. The controller calculates an amount of power suppliable to the heater and performs a secondary productivity control simultaneously with and separately from the primary productivity control. The secondary productivity control defines a secondary productivity rate of printing per unit time based on the amount of power suppliable to the heater. The controller selects one of the primary conductivity rate and the secondary productivity rate whichever is lower as a productivity rate of the image forming apparatus.

4. 发明申请

US20180088502A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20180088502A1
公开(公告)日：2018-03-29
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
CPC分类号： G03G15/2032 , G03G15/206 , G03G15/2064 , G03G2215/2032
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. 发明申请

US20200159149A1 FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
公开(公告)号：US20200159149A1
公开(公告)日：2020-05-21
申请号：US16676673
申请日：2019-11-07
申请人： Takumi WAIDA , Yoshio HATTORI , Yasunori ISHIGAYA , Yoshikuni SASAKI , Takahiro IMADA , Hironori YAMAOKA , Hiromasa TAKAGI , Keitaro SHOJI
发明人： Takumi WAIDA , Yoshio HATTORI , Yasunori ISHIGAYA , Yoshikuni SASAKI , Takahiro IMADA , Hironori YAMAOKA , Hiromasa TAKAGI , Keitaro SHOJI
IPC分类号： G03G15/20 , G03G15/02
摘要： A fixing device includes a fixing rotator, a pressure rotator, a cleaner, a moving assembly, and a temperature detector. The fixing rotator heats and fixes a toner image onto a recording medium. The pressure rotator presses against the fixing rotator. The cleaner contacts and cleans a cleaning target, which includes one of the fixing rotator and the pressure rotator. The moving assembly moves the cleaner between a contact position where the cleaner contacts the cleaning target and a separate position where the cleaner is apart from the cleaning target. The temperature detector detects a temperature of one of the cleaner and the cleaning target. The moving assembly moves the cleaner from the contact position to the separate position or from the separate position to the contact position during rotation of the cleaning target, in a case in which the temperature detected is greater than a given value

6. 发明申请

US20200249603A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200249603A1
公开(公告)日：2020-08-06
申请号：US16726941
申请日：2019-12-26
申请人： Yasunori ISHIGAYA , Yoshio HATTORI , Yoshikuni SASAKI , Hironori YAMAOKA , Takahiro IMADA , Takumi WAIDA
发明人： Yasunori ISHIGAYA , Yoshio HATTORI , Yoshikuni SASAKI , Hironori YAMAOKA , Takahiro IMADA , Takumi WAIDA
IPC分类号： G03G15/20
摘要： A fixing device includes a first rotator and a second rotator disposed opposite the first rotator. A heater heats one of the first rotator and the second rotator. A cleaner is disposed opposite the second rotator. A temperature detector is disposed opposite the second rotator at an opposed position being within an increased conveyance span where a first sheet is conveyed and being outboard from a decreased conveyance span in an axial direction of the second rotator where a second sheet smaller than the first sheet is conveyed. The temperature detector detects a temperature of the second rotator. A mover moves the cleaner between a contact position where the cleaner contacts the surface of the second rotator and a separation position where the cleaner separates from the surface of the second rotator based on the temperature of the second rotator, that is detected by the temperature detector.

7. 发明申请

US20140376938A1 FIXING DEVICE FOR FIXING A TONER IMAGE ON A SHEET-SHAPED RECORDING MEDIUM AND IMAGE FORMATION APPARATUS 有权
标题翻译：固定装置，用于在片形记录介质和图像形成装置上固定图像
公开(公告)号：US20140376938A1
公开(公告)日：2014-12-25
申请号：US14311473
申请日：2014-06-23
申请人： Hironori YAMAOKA , Shinichi NAMEKATA , Tsukasa SATOH
发明人： Hironori YAMAOKA , Shinichi NAMEKATA , Tsukasa SATOH
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing device includes a rotational member configured to convey and heat a sheet-shaped recording medium, the rotational member including a first heating member and a second heating member provided in parallel to a rotational axis of the rotational member in an interior thereof, the first heating member including a first heat generation part, the second heating member including a second heat generation part and an auxiliary heat generation part adjacent to the second heat generation part, a common temperature sensor configured to sense a temperature of the first heating member and a temperature of the second heating member, and a control part configured to control a ratio of a rate of lighting of the first heating member and a rate of lighting of the second heating member based on the temperature of the first heating member and the temperature of the second heating member.
摘要翻译：定影装置包括：构造成输送和加热片状记录介质的旋转构件，所述旋转构件包括在其内部平行于旋转构件的旋转轴设置的第一加热构件和第二加热构件，第一加热构件，包括第一发热部，所述第二加热构件包括第二发热部和与所述第二发热部相邻的辅助发热部;公共温度传感器，被配置为感测所述第一加热部件的温度，以及控制部，其被配置为基于所述第一加热部件的温度和所述第二加热部件的温度来控制所述第一加热部件的点灯率和所述第二加热部件的点灯率加热构件。

8. 发明申请

US20140270824A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20140270824A1
公开(公告)日：2014-09-18
申请号：US14206301
申请日：2014-03-12
申请人： Tsukasa SATOH , Hironori YAMAOKA , Shinichi NAMEKATA
发明人： Tsukasa SATOH , Hironori YAMAOKA , Shinichi NAMEKATA
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing device, corresponding to a plurality of sheet passing widths, includes a rotating member configured to convey a recording medium, rise in temperature, and fix toner; temperature sensors configured to detect the surface temperature of the rotating member; heating members including at least one heat generating unit, provided inside the rotating member; and a control unit configured to control a heating state obtained by the heating members. The heat generating units are provided not to overlap each other in the direction of the sheet passing width orthogonal to the recording medium conveying direction. The temperature sensors are only placed at positions corresponding to the heat generating units used when printing on the recording medium having a minimum width. The control unit controls the heating state in accordance with the surface temperature, a sheet passing width, and an operational state of the rotating member that changes with time.
摘要翻译：对应于多个片材通过宽度的定影装置包括构造成传送记录介质，升高温度并固定调色剂的旋转部件; 温度传感器，被配置为检测所述旋转部件的表面温度; 加热构件，包括设置在旋转构件内部的至少一个发热单元; 以及控制单元，被配置为控制由所述加热构件获得的加热状态。这些发热单元在与记录介质传送方向正交的片材通过宽度的方向上设置为不彼此重叠。温度传感器仅放置在与具有最小宽度的记录介质上打印时所使用的发热单元对应的位置。控制单元根据随着时间而变化的表面温度，片材通过宽度和旋转构件的操作状态来控制加热状态。

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