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    IMAGE FORMING APPARATUS
    1.
    发明申请
    IMAGE FORMING APPARATUS 有权

    公开(公告)号：US20220373934A1

    公开(公告)日：2022-11-24

    申请号：US17743447

    申请日：2022-05-13

    申请人： Kohta SAKAYA ,  Yasunobu SHIMIZU ,  Shintaro YAMADA

    发明人： Kohta SAKAYA ,  Yasunobu SHIMIZU ,  Shintaro YAMADA

    IPC分类号： G03G15/08 ,  G03G21/12 ,  G03G21/10

    摘要： A toner conveying device includes a toner conveying section and a toner conveyor. The toner conveying section includes a bent portion and an outlet port. The bent portion bends in a predetermined direction. The outlet port discharges toner. The toner conveyor is bendable and driven by a driving device to rotate to convey toner. The toner conveyor is disposed in the toner conveying section such that a first end of the toner conveyor is coupled to the driving device and a second end of the toner conveyor is a free end. The toner conveyor includes a reverse-flow conveying portion, between the outlet port and the free end, to convey the toner from the second end to the first end.

    IMAGE FORMING APPARATUS
    2.
    发明申请
    IMAGE FORMING APPARATUS 有权

    公开(公告)号：US20220091556A1

    公开(公告)日：2022-03-24

    申请号：US17475348

    申请日：2021-09-15

    申请人： Yasunobu SHIMIZU ,  Hiroshi HOSOKAWA ,  Hiroshi FUJIWARA ,  Kazuki MATSUMOTO

    发明人： Yasunobu SHIMIZU ,  Hiroshi HOSOKAWA ,  Hiroshi FUJIWARA ,  Kazuki MATSUMOTO

    IPC分类号： G03G21/16 ,  G03G15/08

    摘要： An image forming apparatus includes an apparatus body and a detachable unit to be attached to the apparatus body in an attachment direction and detached from the apparatus body in a detachment direction. The detachable unit includes a rotary body and a unit drive gear. The apparatus body includes an apparatus-body drive gear to engage with the unit drive gear of the detachable unit attached in the apparatus body, at an engageable position on a downstream side of the apparatus-body drive gear in the attachment direction. One or each of the unit drive gear and the apparatus-body drive gear moves to a retracted position at which the one or each of the unit drive gear and the apparatus-body drive gear does not engage with the other of the unit drive gear and the apparatus-body drive gear and does not interfere with attachment and detachment operations of the detachable unit.

    Transfer device and image forming apparatus including same
    4.
    发明授权
    Transfer device and image forming apparatus including same 有权
    转印装置和包括其的图像形成装置

    公开(公告)号：US09195179B2

    公开(公告)日：2015-11-24

    申请号：US13747629

    申请日：2013-01-23

    申请人： Yasunobu Shimizu ,  Shinya Tanaka ,  Hiromi Ogiyama ,  Hirokazu Ishii ,  Keigo Nakamura

    发明人： Yasunobu Shimizu ,  Shinya Tanaka ,  Hiromi Ogiyama ,  Hirokazu Ishii ,  Keigo Nakamura

    IPC分类号： G03G15/16 ,  G03G15/00 ,  G03G15/01

    CPC分类号： G03G15/1645 ,  G03G15/0189 ,  G03G15/1605 ,  G03G15/5029 ,  G03G2215/00751

    摘要： A transfer device includes a transfer bias power source, a switching device, and a sheet dependent condition setting device. The transfer bias power source applies to a transfer member, based on sheet dependent conditions for a recording medium onto which a toner image is transferred, one of a DC transfer bias and a superimposed transfer bias including an alternating current (AC) component superimposed on a DC component. The switching device switches a transfer mode between a DC transfer mode in which the DC transfer bias is applied to the transfer device and a superimposed-bias transfer mode in which the superimposed transfer bias is applied to the transfer device. The sheet dependent condition setting device sets arbitrarily at least one of the sheet dependent conditions for the recording medium at the superimposed-bias transfer mode. The sheet dependent conditions include a DC component value and an AC component value.

    摘要翻译： 转印装置包括转印偏压电源，开关装置和片材相关条件设定装置。 转印偏压电源基于转印有调色剂图像的记录介质的片材相关条件，转印偏压电源施加到转印偏压电源，其中DC转印偏压和包括交叠电流（AC）分量叠加在一起的叠加转印偏压 直流分量。 切换装置在其中向转印装置施加DC转印偏压的DC转印模式和向转印装置施加叠加的转印偏压的叠加偏压转印模式之间切换转印模式。 片材相关条件设定装置以叠加偏置传送模式任意设定记录介质的片材相关条件中的至少一个。 片材相关条件包括DC分量值和AC分量值。

    Power supply module and image forming apparatus including same
    5.
    发明授权
    Power supply module and image forming apparatus including same 有权
    电源模块和包括它的成像设备

    公开(公告)号：US08948644B2

    公开(公告)日：2015-02-03

    申请号：US13472743

    申请日：2012-05-16

    申请人： Junpei Fujita ,  Tomokazu Takeuchi ,  Hiroyoshi Haga ,  Hiromi Ogiyama ,  Yasunobu Shimizu ,  Kenji Sengoku

    发明人： Junpei Fujita ,  Tomokazu Takeuchi ,  Hiroyoshi Haga ,  Hiromi Ogiyama ,  Yasunobu Shimizu ,  Kenji Sengoku

    IPC分类号： G03G15/00 ,  G03G15/16

    CPC分类号： G03G15/1645 ,  G03G15/50

    摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer unit including a transfer device to transfer the toner image onto a recording medium, disposed opposite the image bearing member, a direct current (DC) power source to apply, between the image bearing member and the transfer device, a DC bias to form a first transfer electric field to transfer the toner image onto the recording medium, and a power supply module detachably attachable relative to the image forming apparatus. The power supply module includes an AC-DC superimposed bias power source to apply, between the image bearing member and the transfer device, a superimposed bias in which an alternating voltage is superimposed on a DC voltage to form a second transfer electric field to transfer the toner image onto the recording medium.

    摘要翻译： 图像形成装置包括在其表面上承载调色剂图像的图像承载部件，转印单元，包括转印装置，用于将调色剂图像转印到与图像承载部件相对的记录介质上，直流（DC）功率 在图像承载部件和转印装置之间施加直流偏压以形成第一转印电场以将调色剂图像转印到记录介质上，以及相对于图像形成装置可拆卸地安装的电源模块。 电源模块包括AC-DC叠加偏置电源，以在图像承载部件和转印装置之间施加叠加的偏压，其中交替电压叠加在DC电压上以形成第二转印电场，以将 调色剂图像到记录介质上。

    IMAGE FORMING APPARATUS
    6.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20130136468A1

    公开(公告)日：2013-05-30

    申请号：US13666474

    申请日：2012-11-01

    申请人： Yasunobu SHIMIZU ,  Hiromi Ogiyama ,  Hirokazu Ishii ,  Shinya Tanaka ,  Keigo Nakamura

    发明人： Yasunobu SHIMIZU ,  Hiromi Ogiyama ,  Hirokazu Ishii ,  Shinya Tanaka ,  Keigo Nakamura

    IPC分类号： G03G15/00 ,  G03G15/16

    CPC分类号： G03G15/0189 ,  G03G15/1605 ,  G03G15/1675

    摘要： An image forming apparatus includes an image bearing member to bear a toner image on a surface thereof, a transfer device to transfer the toner image onto a recording medium, and a transfer bias power source to apply to the transfer device a superimposed transfer bias in which an alternating current (AC) component is superimposed on a direct current (DC) component in a superimposed transfer mode to transfer the toner image. The superimposed transfer bias has a waveform in which a first polarity in a direction of transferring the toner image onto the recording medium and a second polarity opposite the first polarity switch alternately. The superimposed transfer bias is output such that a standard value of each of the DC component and the AC component is multiplied by a respective correction ratio, and the correction ratio of the DC component is different from that of the AC component.

    摘要翻译： 图像形成装置包括在其表面上承载调色剂图像的图像承载部件，将调色剂图像转印到记录介质上的转印装置和转印偏压电源，以向转印装置施加叠加的转印偏压，其中 交流（AC）分量以重叠传送模式叠加在直流（DC）分量上以转印调色剂图像。 叠加的转印偏压具有波形，其中在将调色剂图像转印到记录介质上的方向上的第一极性和与第一极性开关相反的第二极性交替。 输出叠加的转印偏压，使得每个DC分量和AC分量的标准值乘以相应的校正比，并且DC分量的校正比不同于AC分量的校正比。

    IMAGE FORMING APPARATUS
    7.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20130004190A1

    公开(公告)日：2013-01-03

    申请号：US13483536

    申请日：2012-05-30

    申请人： Kenji SENGOKU ,  Hiromi OGIYAMA ,  Hiroyoshi HAGA ,  Tomokazu TAKEUCHI ,  Yasunobu SHIMIZU ,  Junpei FUJITA

    发明人： Kenji SENGOKU ,  Hiromi OGIYAMA ,  Hiroyoshi HAGA ,  Tomokazu TAKEUCHI ,  Yasunobu SHIMIZU ,  Junpei FUJITA

    IPC分类号： G03G15/16

    CPC分类号： G03G15/1665 ,  G03G15/0189 ,  G03G15/0266 ,  G03G2215/0129

    摘要： An image forming apparatus includes a transfer device to transfer a toner image from an image bearing member onto a recording medium, disposed opposite the image bearing member, a transfer bias power source to apply, between the image bearing member and the transfer device, a superimposed transfer bias in which a direct current (DC) component and an alternative current (AC) component are superimposed to transfer the toner image borne on the image bearing member to the recording medium, and a controller to change the superimposed bias that the transfer bias power source applies. The controller changes the levels of the DC component and the AC component of the superimposed transfer bias in a color mode from that in a monochrome mode to secure a return electric field in the superimposed transfer bias by which the toner is returned from the recording medium to the image bearing member.

    摘要翻译： 图像形成装置包括：转印装置，用于将调色剂图像从图像承载部件转印到与图像承载部件相对设置的记录介质上;转印偏压电源，用于在图像承载部件和转印装置之间施加叠加 转印偏压，其中叠加直流（DC）分量和替代电流（AC）分量以将承载在图像承载部件上的调色剂图像转印到记录介质上;以及控制器，用于改变叠加的偏压，转印偏压功率 来源适用。 控制器将彩色模式中的叠加转印偏压的直流分量和交流分量的水平从单色模式中改变，以确保叠加的转印偏压中的返回电场，调色剂从记录介质返回到 图像承载部件。

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

    公开(公告)号：US20120308250A1

    公开(公告)日：2012-12-06

    申请号：US13477724

    申请日：2012-05-22

    申请人： Yasunobu SHIMIZU ,  Hiroyoshi HAGA ,  Tomokazu TAKEUCHI ,  Hiromi OGIYAMA ,  Kenji SENGOKU ,  Junpei FUJITA

    发明人： Yasunobu SHIMIZU ,  Hiroyoshi HAGA ,  Tomokazu TAKEUCHI ,  Hiromi OGIYAMA ,  Kenji SENGOKU ,  Junpei FUJITA

    IPC分类号： G03G15/16

    CPC分类号： G03G15/1645 ,  G03G2215/0129

    摘要： An image forming apparatus, includes an image bearer to bear a toner image; a transfer member to transfer the toner image; a transfer bias applicator to apply a transfer bias to the transfer member, the transfer bias applicator including a direct current voltage source to apply a direct current transfer bias constituted by a direct current voltage to the transfer member; and a superimposed voltage source to apply a superimposed transfer bias in which an alternating current voltage is superimposed on a direct current voltage to the transfer member; and a controller to switch between a direct current transfer mode during which the direct current transfer bias is applied to transfer the toner image and a superimposed transfer mode during which the superimposed transfer bias is applied to transfer the toner image while the direct current voltage source and the superimposed voltage source are off.

    摘要翻译： 一种图像形成装置，包括承载调色剂图像的图像载体; 转印构件以转印调色剂图像; 转印偏压施加器，用于向转印部件施加转印偏压，转印偏压施加器包括直流电压源，以将由直流电压构成的直流转印偏压施加到转印部件; 以及叠加电压源，以将叠加的转印偏压施加到转印部件的直流电压上; 以及控制器，用于在施加直流传递偏压以转印调色剂图像的直流传输模式和施加叠加的转印偏压以在直流电压源和 叠加的电压源关闭。