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    Image forming apparatus capable of smooth transmission of recording medium
    1.
    发明授权
    Image forming apparatus capable of smooth transmission of recording medium 有权
    能够平滑地传输记录介质的图像形成装置

    公开(公告)号：US07831185B2

    公开(公告)日：2010-11-09

    申请号：US11474465

    申请日：2006-06-26

    申请人： Fumihito Masubuchi ,  Tetsuo Watanabe ,  Katsuaki Miyawaki ,  Takashi Seto ,  Makoto Komatsu

    发明人： Fumihito Masubuchi ,  Tetsuo Watanabe ,  Katsuaki Miyawaki ,  Takashi Seto ,  Makoto Komatsu

    IPC分类号： G03G15/20

    CPC分类号： G03G15/0131 ,  G03G2215/00738 ,  G03G2215/0119 ,  G03G2215/0154 ,  G03G2215/0158

    摘要： Disclosed is an image forming apparatus including a first member having a surface endlessly moving in a specific direction a second member having a surface endlessly moving in the specific direction at a region facing the surface of the first member, and a supporting member holding the second member and to move together with the second member. The supporting member includes a release mechanism to release an engagement of the supporting member from the second member. A pressing member is included to press the second member via the supporting member to cause the second member to contact the first member under pressure to form a nip between the first and second members. The release mechanism releases the engagement of the supporting member from the second member when the second member is pushed away by a leading edge of a recording medium having a thickness greater than a reference thickness value.

    摘要翻译： 公开了一种图像形成装置，包括：第一构件，具有在特定方向上无限地移动的表面，第二构件具有在面向第一构件的表面的区域中在特定方向上不停地移动的表面;以及支撑构件， 并与第二个成员一起移动。 支撑构件包括释放机构以释放支撑构件与第二构件的接合。 包括按压构件以经由支撑构件按压第二构件，以使第二构件在压力下与第一构件接触以在第一构件和第二构件之间形成辊隙。 当第二构件被厚度大于参考厚度值的记录介质的前缘推开时，释放机构释放支撑构件与第二构件的接合。

    Image forming apparatus capable of smooth transmission of recording medium
    2.
    发明申请
    Image forming apparatus capable of smooth transmission of recording medium 有权
    能够平滑地传输记录介质的图像形成装置

    公开(公告)号：US20070008395A1

    公开(公告)日：2007-01-11

    申请号：US11474465

    申请日：2006-06-26

    申请人： Fumihito Masubuchi ,  Tetsuo Watanabe ,  Katsuaki Miyawaki ,  Takashi Seto ,  Makoto Komatsu

    发明人： Fumihito Masubuchi ,  Tetsuo Watanabe ,  Katsuaki Miyawaki ,  Takashi Seto ,  Makoto Komatsu

    IPC分类号： B41J2/01

    CPC分类号： G03G15/0131 ,  G03G2215/00738 ,  G03G2215/0119 ,  G03G2215/0154 ,  G03G2215/0158

    摘要： This patent specification describes an image forming apparatus which includes a first member having a surface endlessly moving in a specific direction a second member having a surface endlessly moving in the specific direction at a region facing the surface of the first member, and a supporting member to hold the second member and to move together with the second member. The supporting member includes a release mechanism to release an engagement of the supporting member from the second member. Further, a pressing member is included to press the second member via the supporting member to cause the second member to contact the first member under pressure to form a nip between the first and second members. The release mechanism releases the engagement of the supporting member from the second member when the second member is pushed away by a leading edge of a recording medium having a thickness greater than a reference thickness value.

    摘要翻译： 该专利说明书描述了一种图像形成装置，其包括第一构件，其具有在特定方向上无限地移动的表面，第二构件具有在面向第一构件的表面的区域中沿特定方向无穷远地移动的表面，以及支撑构件 握住第二个成员并与第二个成员一起移动。 支撑构件包括释放机构以释放支撑构件与第二构件的接合。 此外，包括按压构件以经由支撑构件按压第二构件，以使第二构件在压力下与第一构件接触以在第一构件和第二构件之间形成辊隙。 当第二构件被厚度大于参考厚度值的记录介质的前缘推开时，释放机构释放支撑构件与第二构件的接合。

    Abnormality determining method, abnormality determining apparatus, and image forming apparatus
    6.
    发明申请
    Abnormality determining method, abnormality determining apparatus, and image forming apparatus 有权
    异常判定方法，异常判定装置和图像形成装置

    公开(公告)号：US20050157327A1

    公开(公告)日：2005-07-21

    申请号：US11020729

    申请日：2004-12-27

    申请人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    发明人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    IPC分类号： G06F3/12 ,  G06F11/30

    CPC分类号： G06F11/0751 ,  G06F3/121 ,  G06F3/1229 ,  G06F11/0754 ,  G06K15/408

    摘要： An image forming apparatus is capable of specifying the type of an occurring abnormality to a certain extent while avoiding the increasingly complicated control that is caused when a plurality of abnormalities is detected individually according to the presence of their respective causes. A normal group data set, which is a collection of normal value combinations relating to grouped information constituted by a plurality of information of differing types, is stored in RAM or ROM serving as information storage means of a control unit. At least two or more sets of grouped information, comprising first grouped information constituted by a plurality of different types of information, and second grouped information constituted by a plurality of information in a different combination to that of the first grouped information, are obtained from the RAM, the ROM, various sensors, and an operation display unit. A CPU serving as determining means determines a Mahalanobis distance for each set of grouped information on the basis of the normal group data set and the obtained results of each set of grouped information, and uses this Mahalanobis distance to determine the presence of an abnormality according to categories.

    摘要翻译： 图像形成装置能够在一定程度上指定出现的异常的类型，同时避免根据各自原因的存在单独检测到多个异常时引起的越来越复杂的控制。 作为与由多个不同类型的信息构成的分组信息相关的正常值组合的正常组数据集存储在用作控制单元的信息存储装置的RAM或ROM中。 包括由多个不同类型的信息构成的第一分组信息和由与第一分组信息的组合不同的多个信息构成的第二分组信息的至少两组或更多组分组信息从 RAM，ROM，各种传感器以及操作显示单元。 用作确定装置的CPU基于正常组数据集合和每组分组信息的获得结果确定每组分组信息的马氏距离，并且使用该马氏距离来确定根据 类别。

    Image forming apparatus
    7.
    发明授权
    Image forming apparatus 失效
    图像形成装置

    公开(公告)号：US07711300B2

    公开(公告)日：2010-05-04

    申请号：US11857579

    申请日：2007-09-19

    申请人： Atsushi Nakafuji ,  Takashi Fujita ,  Shin Kayahara ,  Hiromitsu Takagaki ,  Takashi Seto ,  Katsuaki Miyawaki ,  Kazumi Suzuki ,  Hirohmi Tamura

    发明人： Atsushi Nakafuji ,  Takashi Fujita ,  Shin Kayahara ,  Hiromitsu Takagaki ,  Takashi Seto ,  Katsuaki Miyawaki ,  Kazumi Suzuki ,  Hirohmi Tamura

    IPC分类号： G03G15/20

    CPC分类号： G03G15/24 ,  G03G2215/1695

    摘要： An image forming apparatus includes an image carrier for bearing a visible image thereon, an endless transfer-fixing belt stretchedly disposed between a plurality of spanning members, a pressure member for pressing the transfer-fixing belt to the image carrier while contacting a backside of the transfer-fixing belt at the transfer nip, and a heater for heating the visible image. The visible image on the image carrier is transferred onto the front surface of the transfer-fixing belt at the transfer nip and is transported to the transfer-fixing nip while heated by the heater, where the visible image is transferred and fixed on a recording member. The transfer-fixing belt is stretchedly arranged such that the transfer-fixing belt travels in a direction substantially perpendicular to a pressure direction of the pressure member in the proximity of the transfer nip.

    摘要翻译： 图像形成装置包括用于在其上承载可见图像的图像载体，张紧地设置在多个跨越构件之间的环形转印定影带，用于将转印固定带按压到图像载体的压力构件，同时接触 在转印辊隙处的转印定影带，以及用于加热可见图像的加热器。 图像载体上的可见图像在转印辊隙处转印到转印固定带的前表面上，并且在可见图像被转印并固定在记录元件上的同时被加热器传送到转印定影辊隙 。 转印定影带被拉伸布置成使得转印定影带在与转印辊隙附近的压力构件的压力方向基本上垂直的方向上行进。

    IMAGE FORMING APPARATUS
    8.
    发明申请
    IMAGE FORMING APPARATUS 失效
    图像形成装置

    公开(公告)号：US20080069610A1

    公开(公告)日：2008-03-20

    申请号：US11857579

    申请日：2007-09-19

    申请人： Atsushi NAKAFUJI ,  Takashi Fujita ,  Shin Kayahara ,  Hiromitsu Takagaki ,  Takashi Seto ,  Katsuaki Miyawaki ,  Kazumi Suzuki ,  Hirohmi Tamura

    发明人： Atsushi NAKAFUJI ,  Takashi Fujita ,  Shin Kayahara ,  Hiromitsu Takagaki ,  Takashi Seto ,  Katsuaki Miyawaki ,  Kazumi Suzuki ,  Hirohmi Tamura

    IPC分类号： G03G15/20

    CPC分类号： G03G15/24 ,  G03G2215/1695

    摘要： An image forming apparatus includes an image carrier for bearing a visible image thereon, an endless transfer-fixing belt stretchedly disposed between a plurality of spanning members, a pressure member for pressing the transfer-fixing belt to the image carrier while contacting a backside of the transfer-fixing belt at the transfer nip, and a heater for heating the visible image. The visible image on the image carrier is transferred onto the front surface of the transfer-fixing belt at the transfer nip and is transported to the transfer-fixing nip while heated by the heater, where the visible image is transferred and fixed on a recording member. The transfer-fixing belt is stretchedly arranged such that the transfer-fixing belt travels in a direction substantially perpendicular to a pressure direction of the pressure member in the proximity of the transfer nip.

    摘要翻译： 图像形成装置包括用于在其上承载可见图像的图像载体，张紧地设置在多个跨越构件之间的环形转印定影带，用于将转印固定带按压到图像载体的压力构件，同时接触 在转印辊隙处的转印定影带，以及用于加热可见图像的加热器。 图像载体上的可见图像在转印辊隙处转印到转印固定带的前表面上，并且在可见图像被转印并固定在记录元件上的同时被加热器传送到转印定影辊隙 。 转印定影带被拉伸布置成使得转印定影带在与转印辊隙附近的压力构件的压力方向基本上垂直的方向上行进。

    Image transfer device for image forming apparatus
    10.
    发明授权
    Image transfer device for image forming apparatus 有权
    图像形成装置用图像转印装置

    公开(公告)号：US07711301B2

    公开(公告)日：2010-05-04

    申请号：US11683086

    申请日：2007-03-07

    申请人： Takeshi Takemoto ,  Takashi Seto ,  Katsuaki Miyawaki ,  Takashi Fujita ,  Hiromitsu Takagaki ,  Atsushi Nakafuji ,  Shin Kayahara ,  Hirohmi Tamura ,  Kazumi Suzuki

    发明人： Takeshi Takemoto ,  Takashi Seto ,  Katsuaki Miyawaki ,  Takashi Fujita ,  Hiromitsu Takagaki ,  Atsushi Nakafuji ,  Shin Kayahara ,  Hirohmi Tamura ,  Kazumi Suzuki

    IPC分类号： G03G15/20

    CPC分类号： G03G15/162 ,  G03G15/161

    摘要： An image transfer device provided in an image forming apparatus in which, employing an endless belt as an intermediate transfer member, image transfer is performed at nip positions of a primary transfer portion and secondary transfer portion. Generation of warp in the transferred image resulting from transmission of fluctuations in load and torque of the endless belt generated at the nip position of one transfer portion nip to the nip position of the other transfer portion is prevented. The endless belt is turned between rollers and the endless belt is individually driven at the primary transfer portion and secondary transfer portion by drive sources to generate deflection between the primary transfer portion and the secondary transfer portion.

    摘要翻译： 在图像形成装置中设置有图像转印装置，其中采用环形带作为中间转印部件，在一次转印部分和二次转印部分的夹持位置进行图像转印。 防止了在一个传送部分夹持部的夹持位置处产生的环形带的传递波动的传递和另一传送部的夹持位置处产生的转印图像中的翘曲的产生。 环形带在辊之间转动，环形带在一次转印部分和二次转印部分由驱动源单独驱动，以在一次转印部分和二次转印部分之间产生偏转。