公开(公告)号：US20060056884A1

公开(公告)日：2006-03-16

申请号：US11207730

申请日：2005-08-22

Applicant: Yuuji Sawai ,  Ryuuichi Minbu ,  Kazuchika Saeki ,  Atsushi Tano

Inventor： Yuuji Sawai ,  Ryuuichi Minbu ,  Kazuchika Saeki ,  Atsushi Tano

IPC: G03G15/01

CPC classification number: G03G15/1625 ,  G03G15/0131

Abstract: A transfer device includes an endless belt, an external roller, and an internal roller. The external roller is arranged outside of the loop of the endless belt and the inner roller is arranged inside of the loop of the endless belt. The endless belt is sandwiched between the external roller and the internal roller. A surface hardness of the external roller and a surface hardness of the internal roller are 50 degrees or more in an asker C scale. A logarithm (LogR) of volume resistivity of the intermediate transfer member is 10.0 or less.

Abstract translation: 传送装置包括环形带，外部辊和内部辊。 外部辊布置在环形带的环的外侧，内侧辊布置在环形带的环的内部。 环形带夹在外部辊和内部辊之间。 外辊的表面硬度和内辊的表面硬度在铸坯C尺度上为50度以上。 中间转印体的体积电阻率的对数（LogR）为10.0以下。

公开(公告)号：US20060045554A1

公开(公告)日：2006-03-02

申请号：US11203229

申请日：2005-08-15

Applicant: Kazuchika Saeki

Inventor： Kazuchika Saeki

IPC: G03G15/16

CPC classification number: G03G15/0131 ,  G03G15/1605 ,  G03G2215/0119 ,  G03G2215/0196 ,  G03G2215/1614

Abstract: An image forming apparatus forms a multiple-color image with at least two process speeds. A secondary-transfer-bias applying unit applies a bias to a secondary transfer unit at a non-image-formation time. A secondary-transfer-output detecting unit detects an output value with respect to each of the at least two process speeds. A secondary-transfer-bias control unit determines a secondary transfer bias to be applied to the secondary transfer unit based on the output value detected.

Abstract translation: 图像形成装置以至少两个处理速度形成多色图像。 二次转印偏压施加单元在非图像形成时间向二次转印单元施加偏压。 二次转印输出检测单元检测相对于至少两个处理速度中的每一个的输出值。 二次转印偏压控制单元基于检测到的输出值确定要施加到二次转印单元的二次转印偏压。

公开(公告)号：US20160161889A1

公开(公告)日：2016-06-09

申请号：US15046185

申请日：2016-02-17

Applicant: Shinya TANAKA ,  Naomi SUGIMOTO ,  Haruo llMURA ,  Shinji AOKI ,  Yasuhiko OGINO ,  Kazuchika SAEKI ,  Keigo NAKAMURA

Inventor： Shinya TANAKA ,  Naomi SUGIMOTO ,  Haruo llMURA ,  Shinji AOKI ,  Yasuhiko OGINO ,  Kazuchika SAEKI ,  Keigo NAKAMURA

IPC: G03G15/16

CPC classification number: G03G15/1675 ,  G03G15/0131 ,  G03G15/0189 ,  G03G15/1665 ,  G03G15/80

Abstract: An image forming apparatus includes a transfer member configured to abut against an image carrier for carrying a toner image to form a transfer nip; and a power supply configured to output a bias voltage for transferring the toner image on the image carrier onto a recording medium nipped in the transfer nip. The bias voltage includes a first voltage for transferring the toner image from the image carrier onto the recording medium in a transfer direction and a second voltage having an opposite polarity of the first voltage, the first and the second voltages being alternately output. A time-averaged value of the bias voltage is set to a polarity in the transfer direction and is set in the transfer direction side with respect to a median between a maximum and a minimum of the bias voltage.

Abstract translation: 图像形成装置包括：传送构件，被配置为抵靠用于承载调色剂图像的图像载体以形成转印夹持部; 以及电源，被配置为输出用于将图像载体上的调色剂图像转印到夹在转印夹持部中的记录介质上的偏置电压。 的偏置电压包括用于将调色剂图像从图像载体转印到在转印方向上的记录介质和具有第一电压的极性相反的第二电压，所述第一和第二电压为交替输出第一电压。 偏置电压的时间平均值设置为在传送方向上的极性，并且相对于最大和最小的偏置电压之间的中值设定在传送方向侧。

公开(公告)号：US09310722B2

公开(公告)日：2016-04-12

申请号：US14005770

申请日：2012-03-16

Applicant: Shinya Tanaka ,  Naomi Sugimoto ,  Haruo Iimura ,  Shinji Aoki ,  Yasuhiko Ogino ,  Kazuchika Saeki ,  Keigo Nakamura

Inventor： Shinya Tanaka ,  Naomi Sugimoto ,  Haruo Iimura ,  Shinji Aoki ,  Yasuhiko Ogino ,  Kazuchika Saeki ,  Keigo Nakamura

IPC: G03G15/16 ,  G03G15/01

CPC classification number: G03G15/1675 ,  G03G15/0131 ,  G03G15/0189 ,  G03G15/1665 ,  G03G15/80

Abstract: [Problem to be solved] To provide an image forming apparatus for suppressing formations of white spots and achieving high quality images, while obtaining sufficient image densities in both of the recessed parts and the projected parts of a recording medium surface.[Solution] An image forming apparatus includes a transfer member 36 that abuts against a surface of an image carrier carrying a toner image and forms a transfer nip, and a power supply 39 that outputs a voltage (transfer bias) for causing the toner image on the image carrier to be transferred onto a recording medium P nipped in the transfer nip. The voltage is switched alternatingly between a transfer direction voltage for causing the toner image to be transferred from the image carrier onto the recording medium and a voltage having an opposite polarity of the transfer direction voltage when the toner image on the image carrier is to be transferred onto the recording medium. A time-averaged value (Vave) of the voltage is set to a transfer direction polarity that causes the toner image to be transferred from the image carrier onto the recording medium, and is set more in the transfer direction than a median voltage (Voff) between a maximum and a minimum of the voltage.

Abstract translation: [待解决的问题]提供一种用于抑制白点的形成并实现高质量图像的图像形成装置，同时在记录介质表面的凹陷部分和投影部分中获得足够的图像密度。 图像形成装置包括：转印构件36，其抵靠承载调色剂图像的图像载体的表面并形成转印压区;以及电源39，其输出用于使调色剂图像打开的电压（转印偏压） 要传送到夹持在转印辊隙中的记录介质P上的图像载体。 电压在用于使调色剂图像从图像载体转印到记录介质上的转印方向电压和当图像载体上的调色剂图像将被转印时具有与转印方向电压相反的极性的电压交替切换 到记录介质上。 将电压的时间平均值（Vave）设定为使得调色剂图像从图像载体转印到记录介质上的转印方向极性，并且在转印方向上设定为比中值电压（Voff）更大， 在最大和最小的电压之间。

公开(公告)号：US09260248B2

公开(公告)日：2016-02-16

申请号：US14825828

申请日：2015-08-13

Applicant: Akira Asaoka ,  Kazuchika Saeki ,  Yuuji Sawai ,  Yoshiki Hozumi

Inventor： Akira Asaoka ,  Kazuchika Saeki ,  Yuuji Sawai ,  Yoshiki Hozumi

IPC: B65G39/16 ,  B65G15/64

CPC classification number: B65G15/64 ,  G03G15/00 ,  G03G15/1615

Abstract: A belt positioning system for positioning a movable belt entrained about a plurality of generally parallel rollers for moving in a trans-axial direction perpendicular to an axial direction in which the rollers extend parallel to each other includes a flange. The flange is operatively connected to an axial end of a specific one of the plurality of generally parallel rollers to define a contact surface therealong which extends generally perpendicular to the axial direction to contact an adjoining edge of the belt. The contact surface of the flange is spaced apart from the axial end of the roller in the axial direction.

公开(公告)号：US09250575B2

公开(公告)日：2016-02-02

申请号：US14524077

申请日：2014-10-27

Applicant: Yoshiki Hozumi ,  Naomi Sugimoto ,  Naoki Iwaya ,  Yasufumi Takahashi ,  Masaharu Furuya ,  Kazuchika Saeki

Inventor： Yoshiki Hozumi ,  Naomi Sugimoto ,  Naoki Iwaya ,  Yasufumi Takahashi ,  Masaharu Furuya ,  Kazuchika Saeki

IPC: G03G15/16 ,  F16H7/20 ,  F16H7/14 ,  B65H5/02 ,  F16H7/08

CPC classification number: G03G15/1605 ,  B65H5/025 ,  B65H2404/255 ,  B65H2601/324 ,  F16H7/14 ,  F16H7/20 ,  F16H2007/0865 ,  F16H2007/0891 ,  G03G15/1615

Abstract: A belt assembly includes a belt, a plurality of support rollers, and a shaft-end retainer. The belt is formed into an endless loop, entrained about and stretched taut between the plurality of support rollers with a rotary shaft. The plurality of support rollers includes a first support roller and a second support roller. The shaft-end retainer including a first retainer and a second retainer is disposed at each end of the rotary shaft of the plurality of support rollers. The first retainer detachably holds an end of the rotary shaft of the first support roller. The second retainer detachably holds an end of the rotary shaft of the second support roller and includes a second-retainer opening from which the end of the rotary shaft of the second roller is detachable from and attachable to the second retainer in a direction perpendicular to the rotary shaft of the second support roller.

Abstract translation: 带组件包括带，多个支撑辊和轴端保持器。 皮带形成无限循环，在旋转轴之间夹持并拉紧在多个支承辊之间。 多个支撑辊包括第一支撑辊和第二支撑辊。 包括第一保持器和第二保持器的轴端保持器设置在多个支撑辊的旋转轴的每个端部。 第一保持器可拆卸地保持第一支撑辊的旋转轴的端部。 第二保持器可拆卸地保持第二支撑辊的旋转轴的端部并且包括第二保持器开口，第二辊的旋转轴的端部从该第二保持器开口可沿着垂直于第二保持器开口的方向从第二保持器可拆卸地附接到第二保持器 第二支撑辊的旋转轴。

公开(公告)号：US09238552B2

公开(公告)日：2016-01-19

申请号：US14090091

申请日：2013-11-26

Applicant: Yoshiki Hozumi ,  Naomi Sugimoto ,  Yuuji Sawai ,  Kazuchika Saeki

Inventor： Yoshiki Hozumi ,  Naomi Sugimoto ,  Yuuji Sawai ,  Kazuchika Saeki

IPC: B65G39/16 ,  B65G15/64 ,  B65G23/44 ,  G03G15/16

CPC classification number: B65G39/16 ,  B65G15/64 ,  B65G23/44 ,  G03G15/1615 ,  G03G2215/00143

Abstract: A belt tracking system for adjusting misalignment of a movable belt in an axial direction of a plurality of rollers about which the movable belt is entrained includes a slope member and a stationary shaft guide. The slope member is disposed at both ends of at least one of the plurality of rollers in the axial direction, to tilt the roller as the belt moves in the axial direction. The stationary shaft guide contacts the slope member. A distance between a contact point of the slope member that contacts the stationary shaft guide and an end portion of the slope member in the axial direction is longer than a maximum traveling distance that the slope member travels in the axial direction.

Abstract translation: 用于调节可移动带在可移动带夹带的多个辊的轴向方向上的未对准的带跟踪系统包括倾斜构件和固定轴引导件。 倾斜部件沿着轴向设置在多个辊中的至少一个辊的两端，以便随着带沿轴向移动而使辊倾斜。 固定轴引导件接触斜面构件。 接触固定轴引导件的倾斜部件的接触点与倾斜部件的轴向端部之间的距离比倾斜部件沿轴向行进的最大行驶距离长。

公开(公告)号：US20150344227A1

公开(公告)日：2015-12-03

申请号：US14825828

申请日：2015-08-13

Applicant: Akira Asaoka ,  Kazuchika Saeki ,  Yuuji Sawai ,  Yoshiki Hozumi

Inventor： Akira Asaoka ,  Kazuchika Saeki ,  Yuuji Sawai ,  Yoshiki Hozumi

IPC: B65G15/64

CPC classification number: B65G15/64 ,  G03G15/00 ,  G03G15/1615

Abstract: A belt positioning system for positioning a movable belt entrained about a plurality of generally parallel rollers for moving in a trans-axial direction perpendicular to an axial direction in which the rollers extend parallel to each other includes a flange. The flange is operatively connected to an axial end of a specific one of the plurality of generally parallel rollers to define a contact surface therealong which extends generally perpendicular to the axial direction to contact an adjoining edge of the belt. The contact surface of the flange is spaced apart from the axial end of the roller in the axial direction.

Abstract translation: 用于定位夹带在多个大致平行的辊上的可移动带的带定位系统，用于沿垂直于辊子彼此平行延伸的轴向方向的横轴方向移动，包括凸缘。 凸缘可操作地连接到多个大致平行的辊中的特定一个的轴向端部，以限定其上的大致垂直于轴向延伸的接触表面，以接触带的相邻边缘。 凸缘的接触表面在轴向方向上与辊的轴向端部间隔开。

公开(公告)号：US08412089B2

公开(公告)日：2013-04-02

申请号：US12986732

申请日：2011-01-07

Applicant: Kazuchika Saeki ,  Mitsuru Takahashi ,  Kazuosa Kuma ,  Takeshi Fukao ,  Tsutomu Kato ,  Yoshiharu Kishi

Inventor： Kazuchika Saeki ,  Mitsuru Takahashi ,  Kazuosa Kuma ,  Takeshi Fukao ,  Tsutomu Kato ,  Yoshiharu Kishi

IPC: G03G15/00

CPC classification number: G03G15/657 ,  G03G2215/00413

Abstract: An image forming apparatus includes an image carrier, a transferor, a fixing unit, and a guide. The image carrier carries a toner image. The transferor opposes the image carrier to form a transfer nip and transfers the toner image on the image carrier onto a recording medium at the transfer nip. The fixing unit fixes the toner image on the recording medium. The guide guides the recording medium bearing the toner image from the transferor toward the fixing unit and includes a surface portion directly contacting the recording medium. The surface portion includes a material for charging the recording medium to have a polarity opposite to the polarity of a toner forming the toner image.

Abstract translation: 图像形成装置包括图像载体，转印器，定影单元和引导件。 图像载体携带调色剂图像。 转印器与图像载体相对以形成转印压区，并将转印辊上的图像载体上的调色剂图像转印到记录介质上。 定影单元将调色剂图像固定在记录介质上。 引导件将从转印器承载调色剂图像的记录介质引向定影单元，并且包括直接接触记录介质的表面部分。 表面部分包括用于将记录介质充电以具有与形成调色剂图像的调色剂的极性相反的极性的材料。

公开(公告)号：US08086155B2

公开(公告)日：2011-12-27

申请号：US12146925

申请日：2008-06-26

Applicant: Toshitaka Yamaguchi ,  Kazuchika Saeki ,  Masaharu Furuya ,  Takuya Sekine

Inventor： Toshitaka Yamaguchi ,  Kazuchika Saeki ,  Masaharu Furuya ,  Takuya Sekine

IPC: G03G15/01

CPC classification number: G03G15/1615 ,  G03G15/0131 ,  G03G15/5058 ,  G03G2215/00059 ,  G03G2215/0158

Abstract: A transfer device, which transfers an image onto a recording medium directly or indirectly and is included in an image forming apparatus, includes an endless belt member extended between a drive roller rotated and a driven roller and configured to receive the image from the image carrier part onto either a surface thereof or the recording medium carried on the surface thereof while moving according to rotations of the drive roller, and a rotation speed detector configured to detect a rotation speed of the driven roller. An image detector is provided either to the transfer device or to the image forming apparatus to detect the image formed on the endless belt member directly or the recording medium carried on the endless belt member, and disposed facing the driven roller in a circumferential direction of the endless belt member.

Abstract translation: 将图像直接或间接地传送到记录介质并且被包括在图像形成装置中的传送装置包括在驱动辊旋转和从动辊之间延伸并被配置为从图像载体部分接收图像的环形带构件 在根据驱动辊的旋转而移动的同时在其表面上承载的表面上的记录介质和被配置为检测从动辊的转速的转速检测器。 图像检测器被提供给传送装置或图像形成装置，以直接检测形成在环形带构件上的图像或承载在环形带构件上的记录介质，并且在从动辊的周向方向上设置 环形带构件。