公开(公告)号：US09798284B2

公开(公告)日：2017-10-24

申请号：US15062705

申请日：2016-03-07

Applicant: Eisuke Shimizu ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Yuu Sakakibara

Inventor： Eisuke Shimizu ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Yuu Sakakibara

IPC: G03G21/00

CPC classification number: G03G21/0017 ,  G03G2215/0132

Abstract: A multilayered blade made of an elastic material includes an edge layer, having a contact edge to contact an object, and at least one backup layer laminated on the edge layer.The blade has a converted loss tangent tan δ of 0.23 or greater and 0.51 or smaller in a temperature range of from 0° C. to 50° C. The converted loss tangent tan δ is defined as: X = A A + B × L 1 + B A + B × L 2 , where X represents the converted loss tangent tan δ, A represents a thickness in millimeters of the edge layer, B represents a thickness in millimeters of the at least one backup layer, L1 represents a variation of a loss tangent tan δ of the edge layer in the temperature range of from 0° C. to 50° C., and L2 represents a variation of a loss tangent tan δ of the at least one backup layer in the temperature range of from 0° C. to 50° C.

公开(公告)号：US08548350B2

公开(公告)日：2013-10-01

申请号：US13048431

申请日：2011-03-15

Applicant: Yoshiki Hozumi ,  Kenji Sugiura ,  Osamu Naruse ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yuu Sakakibara

Inventor： Yoshiki Hozumi ,  Kenji Sugiura ,  Osamu Naruse ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yuu Sakakibara

IPC: G03G15/16 ,  G03G21/00

CPC classification number: G03G15/161 ,  G03G21/0035 ,  G03G2215/1661

Abstract: There is provided a pre-cleaning brush roller being a pre-cleaning member which is disposed on an upstream of a normally-charged-toner cleaning brush roller and an oppositely-charged-toner cleaning brush roller in a surface moving direction of an intermediate transfer belt, is applied with a voltage having a polarity opposite to a normal charge polarity of toner, and electrostatically removes the toner having the normal charge polarity.

Abstract translation: 提供了一种预清洁刷辊，其是预置清洁构件，其设置在正常充电的调色剂清洁刷辊的上游，​​并且相对带电的调色剂清洁刷辊在中间转印的表面移动方向上 带施加具有与调色剂的正常充电极性相反的极性的电压，并且静电除去具有正常充电极性的调色剂。

公开(公告)号：US20120087704A1

公开(公告)日：2012-04-12

申请号：US13253330

申请日：2011-10-05

Applicant: Akira Asaoka ,  Takaya Muraishi ,  Kenji Sugiura ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Yuu Sakakibara

Inventor： Akira Asaoka ,  Takaya Muraishi ,  Kenji Sugiura ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Yuu Sakakibara

IPC: G03G21/00

CPC classification number: G03G15/161 ,  G03G15/0131 ,  G03G15/1605 ,  G03G21/0076

Abstract: A cleaning device including a normally charged toner cleaning member provided in contact with a cleaning target at a contact position to remove normally charged toner from the cleaning target, a reversely charged toner cleaning member provided in contact with the cleaning target at a contact position upstream from the normally charged toner cleaning member to remove reversely charged toner from the cleaning target, and a pre-cleaning member provided in contact with the cleaning target at a contact position upstream from both the normally and reversely charged toner cleaning members to remove normally charged toner from the cleaning target. The contact position between the pre-cleaning member and the cleaning target has a width wider than a width of the contact position between the normally charged toner cleaning member and the cleaning target and a width of the contact position between the reversely charged toner cleaning member and the cleaning target.

Abstract translation: 一种清洁装置，包括在接触位置与清洁对象物接触地设置的正常充电的调色剂清洁部件，以从清洁对象去除正常充电的调色剂;反向充电的调色剂清洁部件，设置成与清洁目标物接触， 正常充电的调色剂清洁部件，用于从清洁对象中除去带有反向电荷的调色剂;以及预清洁部件，其在与正常和反向充电的调色剂清洁部件的上游接触位置处与清洁目标物接触地设置，以从 清洁目标。 预清洁构件和清洁对象之间的接触位置的宽度比通常充电的调色剂清洁构件和清洁对象之间的接触位置的宽度以及反向充电的调色剂清洁构件与清洁对象之间的接触位置的宽度宽 清洁目标。

公开(公告)号：US20120008973A1

公开(公告)日：2012-01-12

申请号：US13178025

申请日：2011-07-07

Applicant: Yuu SAKAKIBARA ,  Kenji Sugiura ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Naruse Osamu

Inventor： Yuu SAKAKIBARA ,  Kenji Sugiura ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Naruse Osamu

IPC: G03G15/00 ,  G03G15/16

CPC classification number: G03G15/161 ,  G03G21/0035 ,  G03G21/0076 ,  G03G2215/1661 ,  G03G2221/001

Abstract: A cleaning device disposed downstream from a transfer position in a direction of rotation of the image carrier to remove toner from the image carrier. The cleaning device includes a normally-charged toner cleaning member to electrostatically remove normally-charged toner from the image carrier, one of a polarity controller to control the toner on the image carrier to have a normal charging polarity and a reversely-charged toner cleaning member to electrostatically remove reversely-charged toner from the image carrier, a pre-cleaning member to electrostatically remove normally-charged toner from the image carrier, a pre-collection member to electrostatically collect the toner from the pre-cleaning member, and a control unit to reduce a voltage applied to the pre-cleaning member immediately after an untransferred toner image is removed from the image carrier by the pre-cleaning member below a voltage applied to the pre-cleaning member during removal of the untransferred toner image.

Abstract translation: 一种清洁装置，其设置在图像载体的旋转方向上的转印位置的下游，以从图像载体中去除调色剂。 清洁装置包括常规充电的调色剂清洁部件，用于从图像载体静电去除正常充电的调色剂，极性控制器之一，用于控制图像载体上的调色剂以具有正常的充电极性，以及反向充电的调色剂清洁部件 从图像载体静电去除反向充电的调色剂，预清洁部件，以静电去除来自图像载体的正常充电的调色剂;预收集部件，用于从预清洁部件静电收集调色剂;以及控制单元 以在移除未转印的调色剂图像之后，将未转印的调色剂图像在预清洁部件从图像载体移除到低于施加到预清洁部件的电压之后立即降低施加到预清洁部件的电压。

公开(公告)号：US20110158677A1

公开(公告)日：2011-06-30

申请号：US12955320

申请日：2010-11-29

Applicant: Hisashi KIKUCHI ,  Kenji Sugiura ,  Osamu Naruse ,  Naomi Sugimoto ,  Yoshiki Hozumi ,  Yuu Sakakibara

Inventor： Hisashi KIKUCHI ,  Kenji Sugiura ,  Osamu Naruse ,  Naomi Sugimoto ,  Yoshiki Hozumi ,  Yuu Sakakibara

IPC: G03G15/16 ,  G03G21/00

CPC classification number: G03G15/161 ,  G03G21/0035 ,  G03G21/0076 ,  G03G2215/1661 ,  G03G2221/001

Abstract: There is provided a cleaning apparatus, comprising: a normally-charged toner cleaning member that receives a voltage having a polarity reverse to a normal charging polarity of a toner and electrostatically removes a toner having the normal charging polarity on a cleaning target; a reversely-charged toner cleaning member that receives a voltage having the same polarity as the normal charging polarity of a toner and electrostatically removes a toner having a polarity reverse to the normal charging polarity on the cleaning target; and a pre-cleaning member that is disposed at an upstream side of the normally-charged toner cleaning member and the reversely-charged toner cleaning member in a surface moving direction of the cleaning target, receives a voltage having a polarity reverse to the normal charging polarity of the toner, and electrostatically removes a toner having the normal charging polarity on the cleaning target.

Abstract translation: 提供了一种清洁装置，包括：正常充电的调色剂清洁部件，其接收具有与调色剂的正常充电极性相反的极性的电压，并且在清洁对象物上静电除去具有正常充电极性的调色剂; 接收与调色剂的正常充电极性相同极性的电压的反向充电的调色剂清洁部件，并且静电除去在清洁对象物上具有与正常充电极性相反的极性的调色剂; 并且在清洁对象的表面移动方向上设置在正常充电的调色剂清洁部件和反向充电的调色剂清洁部件的上游侧的预清洁部件接收与正常充电相反极性的电压 调色剂的极性，并且静电除去在清洁对象物上具有正常充电极性的调色剂。

公开(公告)号：US20110085834A1

公开(公告)日：2011-04-14

申请号：US12923856

申请日：2010-10-12

Applicant: Osamu Naruse ,  Kenji Sugiura ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Yuu Sakakibara

Inventor： Osamu Naruse ,  Kenji Sugiura ,  Naomi Sugimoto ,  Hisashi Kikuchi ,  Yoshiki Hozumi ,  Yuu Sakakibara

IPC: G03G21/00

CPC classification number: G03G21/0035 ,  G03G21/10 ,  G03G2221/1627

Abstract: A cleaning device for an electrophotographic image forming apparatus includes a primary cleaning brush, a collecting roller, and a blade. The primary cleaning brush is configured to remove post-transfer residual toner remaining on an image carrying member. The collecting roller is configured to cause the post-transfer residual toner adhering to the first cleaning brush to electrostatically adhere thereto, is made of metal, and has a surface roughness Ra of at least approximately 0.08 micrometers. The blade is configured to come into contact with the collecting roller and mechanically remove the post-transfer residual toner adhering to the collecting roller.

Abstract translation: 一种用于电子照相图像形成装置的清洁装置，包括主清洁刷，收集辊和叶片。 主清洁刷被配置为去除残留在图像承载构件上的转印后残留调色剂。 收集辊构造成使粘附到第一清洁刷上的后转印残余调色剂静电粘附到其上，由金属制成，并且具有至少约0.08微米的表面粗糙度Ra。 刀片被配置为与收集辊接触并且机械地去除附着在收集辊上的后转印残留调色剂。

公开(公告)号：US09904233B2

公开(公告)日：2018-02-27

申请号：US15339269

申请日：2016-10-31

Applicant: Eisuke Shimizu ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Yuu Sakakibara

Inventor： Eisuke Shimizu ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Yuu Sakakibara

IPC: G03G21/00

CPC classification number: G03G21/0017 ,  G03G2221/0089

Abstract: An elastic blade includes a contact edge to contact a contact object, an edge region including the contact edge, and a backup region different in at least one of material and physical property from the edge region and adjacent to the edge region on a cross section perpendicular to a direction in which the contact edge extends. The backup region is free of direct contact with the contact object. In the elastic blade, a converted elastic power X is from 57% to 90% and defined as X = S A S A + S B × e A + S B S A + S B × e B where SA and SB represent cross-sectional areas of the edge region and the backup region on the cross section, and eA and eB represent elastic powers of the edge region and the backup region.

公开(公告)号：US20170038724A1

公开(公告)日：2017-02-09

申请号：US15219782

申请日：2016-07-26

Applicant: Eisuke SHIMIZU ,  Kazuhiko WATANABE ,  Takaaki TAWADA ,  Yuu SAKAKIBARA

Inventor： Eisuke SHIMIZU ,  Kazuhiko WATANABE ,  Takaaki TAWADA ,  Yuu SAKAKIBARA

IPC: G03G21/00

CPC classification number: G03G21/0017 ,  G03G21/0011

Abstract: An elastic blade includes a contact edge to contact a contact object, an edge region including the contact edge and having a thickness smaller than or equal to 0.50 mm, and a backup region different in material or property from the edge region. The backup region is adjacent to the edge region on a cross section perpendicular to a direction in which the contact edge extends. The elastic blade has a converted Martens hardness X (N/mm2) in a range of from 0.9 to 2.9. The converted Martens hardness is defined as: X = S A S A + S B × h A + S B S A + S B × h B where SA represents a cross-sectional area (mm2) of the edge region, SB represents a cross-sectional area (mm2) of the backup region, hA represents a Martens hardness (N/mm2) of the edge region, hB represents a Martens hardness (N/mm2) of the backup region, and t represents the thickness (mm) of the edge region including the contact edge.

Abstract translation: 其中SA表示边缘区域的横截面面积（mm2），SB表示支撑区域的横截面面积（mm2），hA表示边缘区域的马氏体硬度（N / mm2），hB表示马氏体 备用区域的硬度（N / mm2），t表示包括接触边缘的边缘区域的厚度（mm）。

公开(公告)号：US09310750B2

公开(公告)日：2016-04-12

申请号：US14050680

申请日：2013-10-10

Applicant: Hisashi Kikuchi ,  Takatsugu Fujishiro ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Naomi Sugimoto ,  Yuu Sakakibara

Inventor： Hisashi Kikuchi ,  Takatsugu Fujishiro ,  Kazuhiko Watanabe ,  Takaaki Tawada ,  Naomi Sugimoto ,  Yuu Sakakibara

IPC: G03G21/00 ,  G03G15/02

CPC classification number: G03G21/0017 ,  G03G15/0233

Abstract: An image forming apparatus includes a rotatable image bearer, a charging member to contact a surface of the image bearer and charge the image bearer, an exposure device to expose the image bearer and form a latent image, a developing device to develop the latent image on the image bearer into a toner image, a transfer device to transfer the toner image from the image bearer onto a transfer medium, and a cleaning blade to contact the surface of the image bearer and remove toner from the image bearer after image transfer. The charging member has surface unevenness created by projections and recesses extending in a direction of rotation of the image bearer. The cleaning blade is configured to abrade projections formed on the surface of the image bearer.

Abstract translation: 图像形成装置包括可旋转的图像载体，用于接触图像载体的表面并对图像载体进行充电的充电构件，暴露图像载体并形成潜像的曝光装置，显影装置，以使潜像显影 将图像载体转印成调色剂图像，将调色剂图像从图像载体转印到转印介质上的转印装置以及与图像载体的表面接触的清洁刮板，以及在图像转印之后从图像载体中除去调色剂。 充电构件具有由图像承载体的旋转方向延伸的突起和凹部产生的表面凹凸。 清洁刮板被构造成研磨形成在图像承载体的表面上的突起。

公开(公告)号：US20130315617A1

公开(公告)日：2013-11-28

申请号：US13898728

申请日：2013-05-21

Applicant: Kenji Sugiura ,  Takaya Muraishi ,  Hisashi Kikuchi ,  Akira Asaoka ,  Yoshiki Hozumi ,  Yuu Sakakibara

Inventor： Kenji Sugiura ,  Takaya Muraishi ,  Hisashi Kikuchi ,  Akira Asaoka ,  Yoshiki Hozumi ,  Yuu Sakakibara

IPC: G03G15/16

CPC classification number: G03G15/161 ,  G03G2215/1661

Abstract: An image forming apparatus including a belt cleaning device is provided. The belt cleaning device includes an image bearing belt having an elastic layer, a cleaning member, a cleaning facing member, and a side seal. A surface of the image bearing belt is movable. The cleaning member is in contact with the surface of the image bearing belt to remove a substance adhered thereto. The cleaning facing member is disposed on a back-surface side of the image bearing belt while facing the cleaning member with the image bearing belt therebetween. The side seal is disposed to an axial end part of the cleaning member and pressed against the surface of the image bearing belt. The cleaning facing member is out of contact with the back side of the image bearing belt within an area where the cleaning facing member faces the side seal with respect to an axial direction.

Abstract translation: 提供了一种包括皮带清洁装置的图像形成装置。 带式清洁装置包括具有弹性层的图像承载带，清洁构件，清洁面对构件和侧密封件。 图像承载带的表面是可移动的。 清洁部件与图像承载带的表面接触以去除附着在其上的物质。 清洁面对构件设置在图像承载带的背面侧，同时面对清洁构件，其中图像承载带在它们之间。 侧密封件设置在清洁部件的轴向端部并且压靠在图像承载带的表面上。 清洁面对构件在图像承载带的背面与清洁面对构件相对于轴向面向侧面密封的区域中不接触。