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    IMAGE FORMING APPARATUS
    1.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20110013950A1

    公开(公告)日：2011-01-20

    申请号：US12828612

    申请日：2010-07-01

    申请人： Masaharu FURUYA ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hirokatsu Suzuki ,  Hirohmi Tamura ,  Kazuya Saitoh ,  Takuya Suganuma ,  Mugijirou Uno ,  Shunichi Hashimoto ,  Akira Shinshi ,  Kazuhisa Sudo ,  Tomoko Takahashi

    发明人： Masaharu FURUYA ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hirokatsu Suzuki ,  Hirohmi Tamura ,  Kazuya Saitoh ,  Takuya Suganuma ,  Mugijirou Uno ,  Shunichi Hashimoto ,  Akira Shinshi ,  Kazuhisa Sudo ,  Tomoko Takahashi

    IPC分类号： G03G15/01

    CPC分类号： G03G15/167 ,  G03G15/0194 ,  G03G2215/0132

    摘要： An image forming apparatus includes a first image carrier, a second image carrier, an intermediate transfer member disposed facing the second image carrier, a conveyance belt to transport a transfer sheet, disposed facing both the first image carrier and the intermediate transfer member, a first transfer member to transfer a first toner image formed on the first image carrier onto the transfer sheet, a second transfer member to transfer a second toner image formed on the second image carrier onto the intermediate transfer member, and a third transfer member disposed downstream from the second image carrier in a rotation direction of the intermediate transfer member, to transfer the second toner image from the intermediate transfer member onto the transfer sheet transported by the conveyance belt. The first image carrier and the intermediate transfer member inflect the conveyance belt at a first inflection angle and a second inflection angle, respectively.

    摘要翻译： 图像形成装置包括第一图像载体，第二图像载体，与第二图像载体相对设置的中间转印构件，输送转印片的输送带，其设置成面向第一图像载体和中间转印构件;第一 将形成在第一图像载体上的第一调色剂图像转印到转印片上的第二转印部件，将形成在第二图像载体上的第二调色剂图像转印到中间转印部件上的第二转印部件，以及设置在第二转印部件的下游的第三转印部件 第二图像载体在中间转印构件的旋转方向上，以将第二调色剂图像从中间转印构件转印到由传送带传送的转印纸上。 第一图像载体和中间转印构件分别以第一拐点和第二拐点偏转输送带。

    Belt fixing unit and image forming toner for use in the fixing unit
    6.
    发明申请
    Belt fixing unit and image forming toner for use in the fixing unit 有权
    皮带固定单元和用于定影单元的成像调色剂

    公开(公告)号：US20050163543A1

    公开(公告)日：2005-07-28

    申请号：US11020205

    申请日：2004-12-27

    申请人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

    发明人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G15/20

    CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2041 ,  G03G2215/2083

    摘要： A belt fixing unit, an image forming apparatus, and a toner material are disclosed capable of obviating undesirable fixing belt deformation and low image quality. The belt fixing unit includes a fixing roller, a heating roller, a fixing belt, and a pressing roller in contact with the fixing roller to form a fixing nip having the fixing belt intervening there between, the fixing belt including at least a base member formed of a heat-resisting resin having a thickness of 90 μm or smaller and acted upon by a tensile force of 0.49 N/mm or less. The toner is a low-melting point toner formed by subjecting a toner preparatory solution containing at least a prepolymer having a functional group containing a nitrogen atom, a polyester, a colorant and a releasing agent dispersed in an organic solvent to extension and/or crosslinking reactions in an aqueous medium.

    摘要翻译： 公开了一种带固定单元，图像形成装置和调色剂材料，能够消除不期望的定影带变形和低图像质量。 带固定单元包括定影辊，加热辊，定影带和与定影辊接触的加压辊，以形成定影辊隙，该定影辊隙具有介于其间的定影带，定影带至少包括形成的基件 的耐热树脂，其厚度为90μm以下，通过0.49N / mm以下的拉伸力进行作用。 调色剂是通过使包含至少具有含有氮原子的官能团的预聚物的调色剂制备溶液，分散在有机溶剂中的聚酯，着色剂和脱模剂进行延伸和/或交联而形成的低熔点调色剂 水介质中的反应。

    Image forming apparatus, roller, belt, and fixing unit of image forming apparatus
    7.
    发明授权
    Image forming apparatus, roller, belt, and fixing unit of image forming apparatus 有权
    图像形成装置的图像形成装置，辊，带和定影单元

    公开(公告)号：US07242897B2

    公开(公告)日：2007-07-10

    申请号：US11116354

    申请日：2005-04-28

    申请人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

    发明人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

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

    CPC分类号： G03G15/2064 ,  G03G15/1605 ,  G03G15/2017 ,  G03G2215/00151 ,  G03G2215/2016 ,  G03G2215/2032

    摘要： A tubular roller to support a belt having an inner surface provided with a protruding circumferential edge having a width includes a first portion, a second portion, and a third portion. The first portion has a first outer radius and contacts the inner surface of the belt. The second portion has a second outer radius smaller than the first outer radius of the first portion. The third portion is connected to the first portion with a first vertically extending wall and to the second portion with a second vertically extending wall and has a third outer radius smaller than the second outer radius.

    摘要翻译： 一种用于支撑具有内表面的带的管状辊，该内表面具有宽度的突出的周向边缘，包括第一部分，第二部分和第三部分。 第一部分具有第一外半径并且接触带的内表面。 第二部分具有小于第一部分的第一外半径的第二外半径。 第三部分与第一部分连接，第一垂直延伸的壁和第二部分具有第二垂直延伸的壁，并且具有小于第二外半径的第三外半径。

    Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodology
    8.
    发明授权
    Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodology 有权
    图像形成装置，具有选择性控制的电源和相关方法的定影单元

    公开(公告)号：US07454151B2

    公开(公告)日：2008-11-18

    申请号：US11289297

    申请日：2005-11-30

    申请人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

    发明人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2039 ,  G03G2215/20

    摘要： A fixing unit for use in an image forming apparatus includes a fixing member, a heating source, and a controller. The fixing member is supported rotatably. The heating source heats the fixing member. The controller controls power supply to the heating source. The controller controls a first average power supply, supplied to the heating source before rotating the fixing member, to be larger than a second average power supply, supplied to the heating source after rotating the fixing member.

    摘要翻译： 用于图像形成装置的定影单元包括固定构件，加热源和控制器。 固定构件可旋转地支撑。 加热源加热固定件。 控制器控制加热源的电源。 控制器控制在旋转固定构件之前提供给加热源的第一平均电源大于在旋转固定构件之后供应到加热源的第二平均电源。

    Image forming apparatus, roller, belt, and fixing unit of image forming apparatus
    9.
    发明申请
    Image forming apparatus, roller, belt, and fixing unit of image forming apparatus 有权
    图像形成装置的图像形成装置，辊，带和定影单元

    公开(公告)号：US20060116230A1

    公开(公告)日：2006-06-01

    申请号：US11116354

    申请日：2005-04-28

    申请人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

    发明人： Masahiko Satoh ,  Akira Shinshi ,  Naoki Iwaya

    IPC分类号： F16H55/36

    CPC分类号： G03G15/2064 ,  G03G15/1605 ,  G03G15/2017 ,  G03G2215/00151 ,  G03G2215/2016 ,  G03G2215/2032

    摘要： A tubular roller to support a belt having an inner surface provided with a protruding circumferential edge having a width includes a first portion, a second portion, and a third portion. The first portion has a first outer radius and contacts the inner surface of the belt. The second portion has a second outer radius smaller than the first outer radius of the first portion. The third portion is connected to the first portion with a first vertically extending wall and to the second portion with a second vertically extending wall and has a third outer radius smaller than the second outer radius.

    摘要翻译： 一种用于支撑具有内表面的带的管状辊，该内表面具有宽度的突出的周向边缘，包括第一部分，第二部分和第三部分。 第一部分具有第一外半径并且接触带的内表面。 第二部分具有小于第一部分的第一外半径的第二外半径。 第三部分与第一部分连接，第一垂直延伸的壁和第二部分具有第二垂直延伸的壁，并且具有小于第二外半径的第三外半径。

    Image forming method and apparatus including adjustable conveyance speed to prevent image shock jitter
    10.
    发明授权
    Image forming method and apparatus including adjustable conveyance speed to prevent image shock jitter 有权
    图像形成方法和装置，包括可调节的传送速度，以防止图像震动抖动

    公开(公告)号：US07574153B2

    公开(公告)日：2009-08-11

    申请号：US11560173

    申请日：2006-11-15

    申请人： Takahiro Nakayama ,  Masahiko Satoh ,  Akira Shinshi

    发明人： Takahiro Nakayama ,  Masahiko Satoh ,  Akira Shinshi

    IPC分类号： G03G15/16 ,  G03G15/00

    CPC分类号： G03G15/6529

    摘要： An image forming method includes forming a toner image on an image carrier of an image forming apparatus, transferring the toner image on the image carrier onto an intermediate transfer member, and second-transferring the toner image on the intermediate transfer member rotating at a linear speed Vc onto a recording medium, which is fed along a first conveyance path from a registration roller pair rotating at a linear speed Vr, by a transfer member. The toner image is fixed onto the recording medium, which is fed along a second conveyance path from the transfer member, by a fixing member rotating at a linear speed Vt. A length of the first and second conveyance paths is shorter than a length of a maximum recording medium of the image forming apparatus. Linear speed ratios Vc/Vt and Vr/Vc are changed depending on a property of the recording medium to prevent shock jitters.

    摘要翻译： 图像形成方法包括在图像形成装置的图像载体上形成调色剂图像，将图像载体上的调色剂图像转印到中间转印部件上，并将调色剂图像二次转印在以线速度旋转的中间转印部件上 Vc通过转印构件沿着第一输送路径从以线速度Vr旋转的定位辊对馈送的记录介质。 调色剂图像通过以线速Vt旋转的固定构件固定在沿着第二输送路径从转印构件供给的记录介质上，第一和第二输送路径的长度短于 图像形成装置的最大记录介质。 线速度Vc / Vt和Vr / Vc根据记录介质的特性而改变，以防止震动抖动。