公开(公告)号：US09417547B2

公开(公告)日：2016-08-16

申请号：US14939500

申请日：2015-11-12

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tetsuya Toichi

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

CPC classification number: G03G15/0131 ,  G03G15/0189 ,  G03G15/161 ,  G03G15/1665 ,  G03G15/1675

Abstract: An image forming apparatus includes development sections having development rollers, photosensitive drums, primary transfer rollers disposed opposite to the photosensitive drums in one-to-one correspondence, an intermediate transfer belt, and a voltage application section. The voltage application section includes a first voltage application section and a second voltage application section. In forced toner discharge from the development sections, the first voltage application section applies opposite polarity voltage between each of three upstream primary transfer rollers among the primary transfer rollers and the corresponding one of the photosensitive drums. The second voltage application section applies positive polarity voltage between a most downstream primary transfer roller and the corresponding one of the photosensitive drums.

Abstract translation: 图像形成装置包括具有显影辊，感光鼓，一对一对应于感光鼓相对设置的一次转印辊的显影部，中间转印带和电压施加部。 电压施加部分包括第一电压施加部分和第二电压施加部分。 在强制调色剂从显影部分排出时，第一电压施加部分在一次转印辊和相应的一个感光鼓之间的三个上游一次转印辊之间的每一个之间施加相反的极性电压。 第二电压施加部分在最下游一次转印辊和相应的一个感光鼓之间施加正极性电压。

公开(公告)号：US20150346642A1

公开(公告)日：2015-12-03

申请号：US14655323

申请日：2014-10-01

Applicant: KYOCERA DOCUMENT SOLUTIONS INC.

Inventor： Koji Uno ,  Masafumi Hashimura ,  Yasuhiro Michishita ,  Tetsuya Toichi ,  Satoshi Uemura

IPC: G03G15/16

CPC classification number: G03G15/161 ,  G03G15/16 ,  G03G21/10 ,  G03G2215/0132

Abstract: An image forming apparatus (1) includes an image forming section (12), an intermediate transfer belt (125), a drive roller (125A), a secondary transfer roller (210), a brush section (80), a cleaning device (70), a power supply device (81), and a ground portion (82). The brush section (80) is disposed at a location downstream of the secondary transfer roller (210) in a direction of travel of the intermediate transfer belt (125) and facing the drive roller (125A) with the intermediate transfer belt (125) in between. A potential difference is applied between the brush section (80) and the secondary transfer roller (210) by the power supply device (81) and the ground portion (82), so that an electric current having the same polarity as a normal charge polarity flows from the brush section (80) through the drive roller (125A) to the secondary transfer roller (210).

Abstract translation: 图像形成装置（1）包括图像形成部（12），中间转印带（125），驱动辊（125A），二次转印辊（210），刷部（80），清洁装置 70），电源装置（81）和接地部（82）。 电刷部分（80）在中间转印带（125）的行进方向上并且与中间转印带（125）相对的驱动辊（125A）位于二次转印辊（210）下游的位置处 之间。 通过电源装置（81）和接地部（82）在电刷部（80）和二次转印辊（210）之间施加电位差，使得具有与正常充电极性相同极性的电流 从刷部（80）通过驱动辊（125A）流到二次转印辊（210）。

公开(公告)号：US09052680B2

公开(公告)日：2015-06-09

申请号：US14290430

申请日：2014-05-29

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tetsuya Toichi

IPC: G03G21/00 ,  G03G15/16

CPC classification number: G03G21/0035 ,  G03G15/161

Abstract: A fur brush roller electrically absorbs and removes a transferred remaining toner on a surface of an image carrier through bias voltage impression. This fur brush roller includes: a foundation cloth, conductive yarns, and insulation yarns. The insulation yarns are subjected to crimp-texturizing processing. The conductive yarns and the insulation yarns are alternately pile-woven to the foundation cloth.

Abstract translation: 毛刷刷通过偏置电压印刷电吸收并去除图像载体表面上转印的剩余调色剂。 这种毛刷刷包括：基布，导电纱和绝缘纱。 绝缘纱线经受卷曲整理加工。 导电纱线和绝缘纱线交替地堆叠到基布上。

公开(公告)号：US09366997B2

公开(公告)日：2016-06-14

申请号：US14655323

申请日：2014-10-01

Applicant: KYOCERA Document Solutions Inc.

Inventor： Koji Uno ,  Masafumi Hashimura ,  Yasuhiro Michishita ,  Tetsuya Toichi ,  Satoshi Uemura

IPC: G03G15/16 ,  G03G21/10

CPC classification number: G03G15/161 ,  G03G15/16 ,  G03G21/10 ,  G03G2215/0132

Abstract: An image forming apparatus (1) includes an image forming section (12), an intermediate transfer belt (125), a drive roller (125A), a secondary transfer roller (210), a brush section (80), a cleaning device (70), a power supply device (81), and a ground portion (82). The brush section (80) is disposed at a location downstream of the secondary transfer roller (210) in a direction of travel of the intermediate transfer belt (125) and facing the drive roller (125A) with the intermediate transfer belt (125) in between. A potential difference is applied between the brush section (80) and the secondary transfer roller (210) by the power supply device (81) and the ground portion (82), so that an electric current having the same polarity as a normal charge polarity flows from the brush section (80) through the drive roller (125A) to the secondary transfer roller (210).

Abstract translation: 图像形成装置（1）包括图像形成部（12），中间转印带（125），驱动辊（125A），二次转印辊（210），刷部（80），清洁装置 70），电源装置（81）和接地部（82）。 电刷部分（80）在中间转印带（125）的行进方向上并且与中间转印带（125）相对的驱动辊（125A）位于二次转印辊（210）下游的位置处 之间。 通过电源装置（81）和接地部（82）在电刷部（80）和二次转印辊（210）之间施加电位差，使得具有与正常充电极性相同极性的电流 从刷部（80）通过驱动辊（125A）流到二次转印辊（210）。

公开(公告)号：US20140356019A1

公开(公告)日：2014-12-04

申请号：US14290430

申请日：2014-05-29

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tetsuya Toichi

IPC: G03G15/16 ,  G03G21/00

CPC classification number: G03G21/0035 ,  G03G15/161

Abstract: A fur brush roller electrically absorbs and removes a transferred remaining toner on a surface of an image carrier through bias voltage impression. This fur brush roller includes: a foundation cloth, conductive yarns, and insulation yarns. The insulation yarns are subjected to crimp-texturizing processing. The conductive yarns and the insulation yarns are alternately pile-woven to the foundation cloth.

Abstract translation: 毛刷刷通过偏置电压印刷电吸收并去除图像载体表面上转印的剩余调色剂。 这种毛刷刷包括：基布，导电纱和绝缘纱。 绝缘纱线经受卷曲整理加工。 导电纱线和绝缘纱线交替地堆叠到基布上。

公开(公告)号：US08849166B2

公开(公告)日：2014-09-30

申请号：US13827922

申请日：2013-03-14

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tetsuya Toichi

IPC: G03G15/08

CPC classification number: G03G15/0928 ,  G03G15/0907

Abstract: A developing device includes a developer supporting rotator, toner supporting rotator and voltage application unit. The toner supporting rotator is arranged opposite to a developer supporting rotator, supports toner supplied from the developer supporting rotator, and forms a toner layer by a magnetic brush. The voltage application unit causes the toner supported by the toner supporting rotator to an electrostatic latent image on a surface of an image carrier to develop it into a toner image. A longitudinal end portion of the toner supporting side magnetic member is positioned longitudinally more outside than a longitudinal end portion of the developer supporting side magnetic member. A surface of the second rotating sleeve positioned more outside than the end of the developer supporting side magnetic member is composed of a surface of low adherence with lower toner adherence and a higher dielectric constant than those of a surface positioned inside thereof.

Abstract translation: 显影装置包括显影剂支撑旋转器，调色剂支撑旋转器和电压施加单元。 调色剂支撑旋转体与显影剂支撑旋转体相对地布置，支撑从显影剂支撑旋转体供给的调色剂，并通过磁刷形成调色剂层。 电压施加单元使由调色剂支撑旋转体支撑的调色剂在图像载体的表面上的静电潜像显影成调色剂图像。 调色剂支撑侧磁性构件的纵向端部比显影剂支撑侧磁性构件的纵向端部纵向更靠外侧定位。 位于比显影剂支撑侧磁性构件的端部更外侧的第二旋转套筒的表面由具有较低调色剂粘附性的低粘附表面和比位于其内部的表面的介电常数更高的介电常数构成。

公开(公告)号：US10824096B2

公开(公告)日：2020-11-03

申请号：US16800535

申请日：2020-02-25

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yoshitaka Tokoro ,  Tetsuya Toichi

IPC: G03G15/16 ,  G03G21/00 ,  G03G15/02

Abstract: An image forming apparatus includes an intermediate transfer belt, an image forming device, a brush roller, a bias application device, and a controller. The bias application device applies, between the intermediate transfer belt and the brush roller, a bias for shifting a charged residual toner from the intermediate transfer belt to the brush roller. The controller controls, in a period in which calibration or maintenance is executed, the bias application device to set an application amount of the bias at a predefined first value only in a specified time zone in which the residual toner is present on the intermediate transfer belt and to set the application amount of the bias at a predefined second value smaller than the first value in time zones other than the specified time zone.

公开(公告)号：US20160209787A1

公开(公告)日：2016-07-21

申请号：US14914602

申请日：2015-05-22

Applicant: KYOCERA DOCUMENT SOLUTIONS INC.

Inventor： Yasuhiro Michishita ,  Tetsuya Toichi

IPC: G03G15/16

CPC classification number: G03G15/1675 ,  G03G15/1665 ,  G03G15/168 ,  G03G15/1685 ,  G03G15/657 ,  G03G2215/00679 ,  G03G2215/1623

Abstract: A transfer device includes a conveyance belt, a transfer roller, and a stretch roller. The conveyance belt is in contact with an image carrier that carries a toner image, and conveys a sheet via a contact position with the image carrier. A voltage having a polarity opposite to a charging polarity of toner that forms the toner image is applied to the transfer roller, and the transfer roller transfers the toner image carried by the image carrier onto the sheet at the contact position. The stretch roller stretches the conveyance belt at a separation position in which the sheet is separated from the conveyance belt and which is downstream of the contact position in a conveyance direction in which the sheet is conveyed by the conveyance belt, and the voltage having the polarity opposite to the charging polarity of the toner is applied to the stretch roller.

Abstract translation: 转印装置包括输送带，转印辊和拉伸辊。 传送带与承载调色剂图像的图像载体接触，并且经由与图像载体的接触位置传送片材。 将具有与形成调色剂图像的调色剂的充电极性相反的极性的电压施加到转印辊上，并且转印辊将由图像载体承载的调色剂图像转印到接触位置处的片材上。 拉伸辊在输送带从输送带分离并且在输送方向上在输送方向上位于接触位置的下游的分离位置处延伸输送带，并且具有极性的电压 与调色剂的充电极性相反地施加到拉伸辊。

公开(公告)号：US09063477B2

公开(公告)日：2015-06-23

申请号：US14522495

申请日：2014-10-23

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuhiro Michishita ,  Satoshi Uemura ,  Koji Uno ,  Tetsuya Toichi ,  Masafumi Hashimura

IPC: G03G15/00 ,  G03G15/16

CPC classification number: G03G21/06 ,  G03G15/657

Abstract: An image forming apparatus includes: a photosensitive drum; a transfer belt configured to be charged to an opposite polarity to the surface of the photosensitive drum to electrostatically attract a recording paper sheet and convey the sheet while pressing the sheet against the photosensitive drum, thereby transferring a toner image formed on the surface of the photosensitive drum to the sheet; a fixing section configured to apply heat to the recording paper sheet having the toner image transferred thereto and thus fix the toner image on the sheet; a toner collecting member disposed to face a separating position where the recording paper sheet is separated from the transfer belt and extending in a width direction of the sheet being conveyed, the toner collecting member being electrically grounded; and a thermally conductive member configured to collect heat near the fixing section and conduct the collected heat to the toner collecting member.

Abstract translation: 图像形成装置包括：感光鼓; 转印带，被配置为以与感光鼓的表面相反的极性进行充电，以静电吸引记录纸，并在将片材压靠在感光鼓上的同时传送片材，从而转印形成在感光鼓表面上的调色剂图像 鼓到桌子; 固定部，被配置为向转印有调色剂图像的记录纸张施加热量，从而将调色剂图像固定在片材上; 调色剂收集部件设置成面对记录纸张与转印带分离并且在被输送的纸张的宽度方向上延伸的分离位置，调色剂收集部件电接地; 以及导热构件，其构造成在所述固定部分附近收集热量，并将所收集的热量传送到所述调色剂收集构件。

公开(公告)号：US09977362B2

公开(公告)日：2018-05-22

申请号：US15404801

申请日：2017-01-12

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tetsuya Toichi

IPC: G03G15/02

CPC classification number: G03G15/0266 ,  G03G15/1605 ,  G03G15/1675

Abstract: An image forming apparatus includes a photosensitive drum, a primary transfer roller, first and second voltage applicators, first and second voltage controllers, a current detector, and a charging roller. The first voltage controller controls a voltage applied to the primary transfer roller through the first voltage applicator. The current detector detects a current value of a current flowing through the primary transfer roller. The second voltage controller controls a voltage applied to the charging roller through the second voltage applicator. The second voltage controller causes a voltage having a smaller absolute value than a dark potential of the photosensitive drum to be applied to the photosensitive drum during a transfer voltage control period. During the transfer voltage control period, the first voltage controller causes a voltage to be applied to the primary transfer roller, and the current detector detects the current value.