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    Fixing device and image forming apparatus
    1.
    发明授权
    Fixing device and image forming apparatus 有权
    固定装置和成像装置

    公开(公告)号：US08811842B2

    公开(公告)日：2014-08-19

    申请号：US12974852

    申请日：2010-12-21

    申请人： Takamasa Hase ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

    发明人： Takamasa Hase ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2039 ,  G03G2215/2048

    摘要： The fixing device using an electromagnetic induction heating (IH) method includes a fixing sleeve having a heating layer, a pressure roller to form a nip while contacting the fixing roller and rotate to drive the fixing sleeve, a temperature detector to detect a temperature on a circumference of the fixing sleeve, and an excitation coil provided near the fixing sleeve and configured to perform induction heating of the heating layer of the fixing sleeve based on the detection result from the temperature detector. The fixing device is configured to change a rotation speed of the fixing sleeve in a standby time during which the fixing sleeve, while rotating, is controlled to be heated so as to maintain a target temperature when a periodic temperature difference occurs on a circumference of the fixing rotary member and having a fluctuation amplitude larger than a predetermined value compared to the target temperature.

    摘要翻译： 使用电磁感应加热（IH）方法的定影装置包括具有加热层的定影套筒，压力辊，以在接触定影辊并旋转以驱动定影套筒的同时形成辊隙;温度检测器，用于检测 定影套筒周围，以及设置在定影套筒附近的激励线圈，其构造成基于来自温度检测器的检测结果对定影套筒的加热层进行感应加热。 定影装置构造成在待机时间内改变定影套筒的旋转速度，在该待机时间期间，当旋转时定影套筒被控制为加热，以便当在周边温度差发生周期性温度差时，保持目标温度 固定旋转构件并且具有比目标温度高的预定值的波动幅度。

    FIXING DEVICE AND IMAGE FORMING APPARATUS
    2.
    发明申请
    FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
    固定装置和图像形成装置

    公开(公告)号：US20110150518A1

    公开(公告)日：2011-06-23

    申请号：US12974852

    申请日：2010-12-21

    申请人： Takamasa HASE ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

    发明人： Takamasa HASE ,  Masanao Ehara ,  Kenji Ishii ,  Tadashi Ogawa ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Shuutaroh Yuasa

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2039 ,  G03G2215/2048

    摘要： The fixing device using an electromagnetic induction heating (IH) method includes a fixing sleeve having a heating layer, a pressure roller to form a nip while contacting the fixing roller and rotate to drive the fixing sleeve, a temperature detector to detect a temperature on a circumference of the fixing sleeve, and an excitation coil provided near the fixing sleeve and configured to perform induction heating of the heating layer of the fixing sleeve based on the detection result from the temperature detector. The fixing device is configured to change a rotation speed of the fixing sleeve in a standby time during which the fixing sleeve, while rotating, is controlled to be heated so as to maintain a target temperature when a periodic temperature difference occurs on a circumference of the fixing rotary member and having a fluctuation amplitude larger than a predetermined value compared to the target temperature.

    摘要翻译： 使用电磁感应加热（IH）方法的定影装置包括具有加热层的定影套筒，压力辊，以在接触定影辊并旋转以驱动定影套筒的同时形成辊隙;温度检测器，用于检测 定影套筒周围，以及设置在定影套筒附近的激励线圈，其构造成基于来自温度检测器的检测结果对定影套筒的加热层进行感应加热。 定影装置构造成在待机时间内改变定影套筒的旋转速度，在该待机时间期间，当旋转时定影套筒被控制为加热，以便当在周边温度差发生周期性温度差时，保持目标温度 固定旋转构件并且具有比目标温度高的预定值的波动幅度。

    Fixing device and image forming apparatus
    5.
    发明授权
    Fixing device and image forming apparatus 失效
    固定装置和成像装置

    公开(公告)号：US08463166B2

    公开(公告)日：2013-06-11

    申请号：US13064105

    申请日：2011-03-07

    申请人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takamasa Hase ,  Takahiro Imada ,  Shuutaro Yuasa

    发明人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takamasa Hase ,  Takahiro Imada ,  Shuutaro Yuasa

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2028

    摘要： A fixing device includes an image surface side separating member that separates a recording medium from a fixing member; an image surface side conveyance guiding member arranged downstream of the image surface side separating member; a non-image surface side separating member that separates the recording medium from a pressing member; and a non-image surface side conveyance guiding member arranged downstream of the non-image surface side separating member. When the image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the image surface side separating member is also rotated or slid so as to be opened or closed simultaneously. When the non-image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the non-image surface side separating member is also rotated or slid so as to be opened or closed simultaneously.

    摘要翻译： 定影装置包括从记录介质与固定部件分离的图像表面侧分离部件; 图像表面侧传送引导构件，布置在图像表面侧分离构件的下游; 将记录介质从按压部件分离的非图像表面侧分离部件; 以及非图像表面侧传送引导构件，布置在非图像表面侧分离构件的下游。 当图像表面侧传送引导构件绕其旋转轴线旋转以打开或关闭时，图像表面侧分离构件也被旋转或滑动以同时打开或关闭。 当非图像表面侧传送引导构件绕其旋转轴线旋转以打开或关闭时，非图像表面侧分离构件也被旋转或滑动以同时打开或关闭。

    Fixing unit and image forming apparatus
    6.
    发明授权
    Fixing unit and image forming apparatus 失效
    定影单元和成像设备

    公开(公告)号：US08626018B2

    公开(公告)日：2014-01-07

    申请号：US13041703

    申请日：2011-03-07

    申请人： Tadashi Ogawa ,  Masanao Ehara ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Takamasa Hase

    发明人： Tadashi Ogawa ,  Masanao Ehara ,  Satoshi Ueno ,  Hiroshi Seo ,  Takahiro Imada ,  Takamasa Hase

    IPC分类号： G03G15/20 ,  G03G15/16 ,  G03G15/00

    CPC分类号： G03G15/6576 ,  G03G2215/00662 ,  G03G2215/20

    摘要： A fixing unit includes a fixing member to fuse a toner image on a recording medium on the recording medium; a pressure member to press against the fixing member to define a first nip between the fixing member and the pressure member through which the recording medium is transported; a shifting unit to move the pressure member relative to the fixing member to increase or decrease a pressure of the first nip; a curling correction unit disposed downstream from the first nip in a transport direction of the recording medium that imparts a second curling direction to the recording medium; and a variable setting unit operatively connected to the curling correction unit to variably set an amount of the second curling direction to the recording medium by the curling correction unit depending on the first nip pressure increased or decreased by the shifting unit.

    摘要翻译： 定影单元包括用于将记录介质上的记录介质上的调色剂图像熔合的固定构件; 压力构件，以压靠所述固定构件，以在所述固定构件和所述压力构件之间限定所述记录介质被输送的第一压合部; 移动单元，用于相对于所述固定构件移动所述压力构件，以增加或减小所述第一压区的压力; 卷曲校正单元，其在所述记录介质的输送方向上设置在所述第一压区的下游，从而向所述记录介质施加第二卷曲方向; 以及可变设定单元，其可操作地连接到所述卷曲校正单元，以根据由所述移位单元增加或减少的所述第一夹紧压力，通过所述卷曲校正单元将所述第二卷曲方向的量可变地设定到所述记录介质。

    Fixing device and image forming apparatus
    7.
    发明申请
    Fixing device and image forming apparatus 失效
    固定装置和成像装置

    公开(公告)号：US20110222926A1

    公开(公告)日：2011-09-15

    申请号：US13064105

    申请日：2011-03-07

    申请人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takamasa Hase ,  Takahiro Imada ,  Shuutaro Yuasa

    发明人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takamasa Hase ,  Takahiro Imada ,  Shuutaro Yuasa

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2028

    摘要： A fixing device includes an image surface side separating member that separates a recording medium from a fixing member; an image surface side conveyance guiding member arranged downstream of the image surface side separating member; a non-image surface side separating member that separates the recording medium from a pressing member; and a non-image surface side conveyance guiding member arranged downstream of the non-image surface side separating member. When the image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the image surface side separating member is also rotated or slid so as to be opened or closed simultaneously. When the non-image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the non-image surface side separating member is also rotated or slid so as to be opened or closed simultaneously.

    摘要翻译： 定影装置包括从记录介质与固定部件分离的图像表面侧分离部件; 图像表面侧传送引导构件，布置在图像表面侧分离构件的下游; 将记录介质从按压部件分离的非图像表面侧分离部件; 以及非图像表面侧传送引导构件，布置在非图像表面侧分离构件的下游。 当图像表面侧传送引导构件绕其旋转轴线旋转以打开或关闭时，图像表面侧分离构件也被旋转或滑动以同时打开或关闭。 当非图像表面侧传送引导构件绕其旋转轴线旋转以打开或关闭时，非图像表面侧分离构件也被旋转或滑动以同时打开或关闭。

    Fixing device and image forming apparatus including same
    8.
    发明授权
    Fixing device and image forming apparatus including same 失效
    固定装置及其成像装置

    公开(公告)号：US08447199B2

    公开(公告)日：2013-05-21

    申请号：US12861255

    申请日：2010-08-23

    申请人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takahiro Imada ,  Takamasa Hase

    发明人： Satoshi Ueno ,  Masanao Ehara ,  Tadashi Ogawa ,  Hiroshi Seo ,  Takahiro Imada ,  Takamasa Hase

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2064 ,  G03G2215/2025

    摘要： A fixing device for fixing an unfixed toner image on a recording medium includes a fixing member, a pressure member, a sheet guide, and a pressure adjusting mechanism. The fixing member heats the unfixed toner image on the recording medium. The pressure member is disposed opposite the fixing member and presses against the fixing member to define a fixing nip through which the recording medium bearing the unfixed toner image passes to fix the unfixed toner image onto the recording medium. The position of the fixing nip is changeable. The sheet guide disposed adjacent to the pressure member guides the recording medium to the fixing nip and moves in conjunction with movement of the pressure member. The pressure adjusting mechanism operatively connected to the pressure member adjusts an amount of engagement of the pressure member relative to the fixing member. An image forming apparatus includes the fixing device.

    摘要翻译： 用于将未定影的调色剂图像定影在记录介质上的定影装置包括固定构件，压力构件，片材引导件和压力调节机构。 定影构件加热记录介质上的未定影调色剂图像。 压力构件与固定构件相对地设置并且压靠固定构件以限定定影夹持部，通过该定影夹持件支承未定影调色剂图像的记录介质通过该固定夹持器将未定影的调色剂图像定影到记录介质上。 定影辊隙的位置是可变的。 与压力构件相邻设置的片材引导件将记录介质引导到定影夹持部并与压力构件的移动一起移动。 可操作地连接到压力构件的压力调节机构调节压力构件相对于固定构件的接合量。 图像形成装置包括定影装置。

    Fixing device and image forming apparatus
    10.
    发明申请
    Fixing device and image forming apparatus 失效
    固定装置和成像装置

    公开(公告)号：US20110229162A1

    公开(公告)日：2011-09-22

    申请号：US13064201

    申请日：2011-03-10

    申请人： Tadashi Ogawa ,  Masanao Ehara ,  Satoshi Ueno ,  Hiroshi Seo ,  Takamasa Hase ,  Shuutaroh Yuasa

    发明人： Tadashi Ogawa ,  Masanao Ehara ,  Satoshi Ueno ,  Hiroshi Seo ,  Takamasa Hase ,  Shuutaroh Yuasa

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2053

    摘要： A fixing device includes a fixing member, an induction heating unit, a pressing member, and a damage detection unit. The fixing member heats a toner image on a recording medium to fix the toner image onto the recording medium. The induction heating unit heats the fixing member by electromagnetic induction. The pressing member presses the fixing member to form a fixing nip portion. The fixing member includes a heat insulating elastic layer and a sleeve layer. The sleeve layer is located outside the heat insulating elastic layer and is provided with an outer conductive layer that generates heat from a magnetic flux generated by the induction heating unit. The damage detection unit is connected to the outer, conductive layer.

    摘要翻译： 定影装置包括固定构件，感应加热单元，按压构件和损伤检测单元。 定影构件加热记录介质上的调色剂图像以将调色剂图像定影到记录介质上。 感应加热单元通过电磁感应加热固定部件。 按压构件按压固定构件以形成定影夹持部。 固定构件包括绝热弹性层和套筒层。 套筒层位于绝热弹性层的外侧，并且设置有由感应加热单元产生的磁通产生热的外部导电层。 损伤检测单元连接到外导电层。