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公开(公告)号：US20200379400A1
公开(公告)日：2020-12-03
申请号：US16885388
申请日：2020-05-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Naoto Miyakoshi , Shinobu Ohata , Shunsuke Yamasaki , Hiroatsu Tamai , Yasuhiro Michishita , Takeshi Watanabe , Kenichi Satake , Hiroki Sakane , Masato Usui , Yuzuru Yuasa , Yusuke Tamekuni
IPC: G03G21/00
Abstract: A cleaning device includes a cleaning unit, a movement mechanism, and a positioning portion. The cleaning unit includes a cleaning part that has a contact surface extending along an axial direction of a conveyance roller and cleans the conveyance roller, and a cleaning housing that supports the cleaning part. The movement mechanism moves the cleaning unit between a cleaning position and a mounting and removing position. The movement mechanism allows the cleaning part to be brought into contact with the conveyance roller at the cleaning position, allows the cleaning part to be disposed below the conveyance roller in a separated manner at the mounting and removing position and allows the cleaning unit to be mounted on or removed from the apparatus body. The positioning portion restricts a relative position between the cleaning part and the conveyance roller by being brought into contact with the cleaning unit.
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公开(公告)号：US20200376865A1
公开(公告)日：2020-12-03
申请号：US16885195
申请日：2020-05-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Masato Usui , Hiroatsu Tamai , Takeshi Watanabe , Kenichi Satake , Hiroki Sakane , Yuzuru Yuasa , Yusuke Tamekuni , Yasuhiro Michishita , Shinobu Ohata , Naoto Miyakoshi , Shunsuke Yamasaki
Abstract: A cleaning device includes a separation and contact mechanism that separates a web from a conveyance roller and brings the web into contact with the conveyance roller, and a controller. The controller includes a conveyed sheet number determination unit and a separation and contact control unit. The conveyed sheet number determination unit monitors a conveyed sheet number of both-surface image forming sheets where image forming processing is applied to both a first surface and a second surface with respect to the sheets conveyed by the conveyance roller, and determines whether or not a cumulative value of the conveyed sheet number has reached a predetermined threshold value. The separation and contact control unit controls the separation and contact mechanism so as to allow the web to be pressed to the conveyance roller by a pressing roller when the cumulative value of the conveyed sheet number has reached the threshold value.
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公开(公告)号：US10807379B2
公开(公告)日：2020-10-20
申请号：US16589439
申请日：2019-10-01
Applicant: KYOCERA Document Solutions Inc.
Inventor： Noriaki Ozawa , Hiroatsu Tamai , Takeshi Watanabe , Hiroyuki Ueda , Yasuhiro Michishita , Toyotsune Inoue , Naoto Miyakoshi , Yusuke Takano
Abstract: An inkjet recording apparatus includes three or more recording heads. The recording heads contain different inks and eject the different inks sequentially on a recording medium. The different inks each contain a pigment. Of the different inks, an ink to be ejected first has the lowest pigment content ratio. Of the different inks, an ink to be ejected third and an ink to be subsequently ejected each have a pigment content ratio equal to or higher than that of the pigment contained in a corresponding one of inks to be precedently ejected. Of the different inks, an ink to be ejected second and an ink to be subsequently ejected each have a lower viscosity at 25° C. than a corresponding one of inks to be precedently ejected.
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34.发明申请公开(公告)号：US20180107138A1
公开(公告)日：2018-04-19
申请号：US15718299
申请日：2017-09-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Yasuhiro Michishita
IPC: G03G15/16
CPC classification number: G03G15/161 , G03G15/168 , G03G2215/1661
Abstract: A transfer device includes a conveyance belt, a transfer roller, a stretch roller, and a cleaning member. The conveyance belt is configured to convey a sheet via a contact position with an image carrier. The transfer roller is configured to transfer the toner image onto the sheet at the contact position. The stretch roller is configured to stretch the conveyance belt at a separation position where the sheet is separated from the conveyance belt and the stretch roller is grounded via a resistance portion having electrical resistance. The cleaning member is provided to oppose the stretch roller across the conveyance belt, downstream, in a running direction of the conveyance belt, from the separation position, and is configured to attract the toner attached to a surface of the conveyance belt upon application of a voltage having a polarity opposite to the charge polarity of the toner.
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公开(公告)号：US09513581B2
公开(公告)日：2016-12-06
申请号：US14915155
申请日：2015-06-12
Applicant: KYOCERA Document Solutions Inc.
Inventor： Yasuhiro Michishita , Satoshi Uemura
CPC classification number: G03G15/1665 , G03G15/14 , G03G15/1675 , G03G15/168 , G03G2215/1623
Abstract: A transfer device (35) includes a conveyance belt (351), a transfer roller (352), and a stretch roller (354). The conveyance belt (351) is in contact with an image carrier (31) that carries a toner image, and conveys a sheet via a contact position with the image carrier (31). A voltage having a polarity opposite to a charging polarity of toner that forms the toner image is applied to the transfer roller (352), and the transfer roller (352) transfers the toner image carried by the image carrier (31) onto the sheet at the contact position. The stretch roller (354) is in an insulated state, and stretches the conveyance belt (351) at a separation position in which the sheet is separated from the conveyance belt (351) and which is downstream of the contact position in a conveyance direction in which the sheet is conveyed by the conveyance belt (351).
Abstract translation: 传送装置（35）包括输送带（351），转印辊（352）和拉伸辊（354）。 输送带351与承载调色剂图像的图像载体（31）接触，并通过与图像载体（31）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（352）上，并且转印辊（352）将由图像载体（31）承载的调色剂图像转印到片材上 接触位置。 拉伸辊354处于绝缘状态，并且在输送带351的输送方向的接触位置下游的分离位置处使输送带351延伸， 片材由输送带（351）输送。
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Patent Agency Ranking
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。
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公开(公告)号：US20160209785A1
公开(公告)日：2016-07-21
申请号：US14915155
申请日：2015-06-12
Applicant: KYOCERA DOCUMENT SOLUTIONS INC.
Inventor： Yasuhiro Michishita , Satoshi Uemura
IPC: G03G15/16
CPC classification number: G03G15/1665 , G03G15/14 , G03G15/1675 , G03G15/168 , G03G2215/1623
Abstract: A transfer device (35) includes a conveyance belt (351), a transfer roller (352), and a stretch roller (354). The conveyance belt (351) is in contact with an image carrier (31) that carries a toner image, and conveys a sheet via a contact position with the image carrier (31). A voltage having a polarity opposite to a charging polarity of toner that forms the toner image is applied to the transfer roller (352), and the transfer roller (352) transfers the toner image carried by the image carrier (31) onto the sheet at the contact position. The stretch roller (354) is in an insulated state, and stretches the conveyance belt (351) at a separation position in which the sheet is separated from the conveyance belt (351) and which is downstream of the contact position in a conveyance direction in which the sheet is conveyed by the conveyance belt (351).
Abstract translation: 传送装置（35）包括输送带（351），转印辊（352）和拉伸辊（354）。 输送带351与承载调色剂图像的图像载体（31）接触，并通过与图像载体（31）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（352）上，并且转印辊（352）将由图像载体（31）承载的调色剂图像转印到片材上 接触位置。 拉伸辊354处于绝缘状态，并且在输送带351的输送方向的接触位置下游的分离位置处使输送带351延伸， 片材由输送带（351）输送。
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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
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。
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公开(公告)号：US12292707B2
公开(公告)日：2025-05-06
申请号：US18661185
申请日：2024-05-10
Applicant: KYOCERA Document Solutions Inc.
Inventor： Koji Uno , Keisuke Oba , Yasuhiro Michishita
Abstract: An image forming apparatus includes a plurality of image carriers, a charging device, an exposure device, a development device, and an intermediate transfer belt. The image carrier has a surface on which an amorphous silicon photosensitive layer is formed. The intermediate transfer belt is a plastic belt having a surface resistivity of 9.5 to 10.5 (log Ω/square). An offset amount of the primary transfer roller from the image carrier is 0 to 2 (mm), a contact surface pressure between the image carrier and the intermediate transfer belt is 0.5 to 1.5 (gf/mm2), and a charge density of primary transfer current that flows when the primary transfer voltage is applied to the primary transfer roller is 0.016 to 0.040 (μC/cm2).
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公开(公告)号：US12147174B2
公开(公告)日：2024-11-19
申请号：US18490578
申请日：2023-10-19
Applicant: KYOCERA Document Solutions Inc.
Inventor： Keisuke Oba , Koji Uno , Yasuhiro Michishita
Abstract: The intermediate transfer unit includes: an endless intermediate transfer belt which is turned around while carrying a toner image on its outer circumferential surface; and a plurality of rollers on which the intermediate transfer belt is turnably stretched, wherein the intermediate transfer belt has, on its inner circumferential surface, an information recording area in which belt information has been recorded, and the intermediate transfer belt has a mark at a position in the outer circumferential surface where a positional relationship between the mark and the information recording area comes to a specified relationship.
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