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公开(公告)号：US11874621B2
公开(公告)日：2024-01-16
申请号：US17858992
申请日：2022-07-06
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
CPC classification number: G03G15/5045 , G03G15/2039 , G03G15/5029 , G03G15/5054 , G03G15/2053
Abstract: An image forming system includes: an image forming apparatus that includes a transfer device that transfers a toner image onto a sheet and a fixing device that fixes the toner image; a sheet heating device that heats the sheet on an upstream of the fixing device in a sheet conveyance direction; a first detector that detects a temperature inside the image forming apparatus; a second detector that detects a temperature of the sheet before the sheet heating device heats the sheet; and a controller that causes the sheet heating device to heat the sheet based on a detection result by the second detector and a sheet passing condition of the sheet, and corrects at least one of a transfer current and a transfer voltage in the transfer device based on a detection result by the first detector in a case where the sheet heating device heats the sheet.
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公开(公告)号：US10289034B2
公开(公告)日：2019-05-14
申请号：US15987419
申请日：2018-05-23
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
Abstract: A cleaning apparatus cleans an image carrier including an elastic layer after a toner image formed on the image carrier is transferred to a transfer material. The cleaning apparatus includes a rigid blade that cleans a residue attached on a surface of the image carrier by contacting the image carrier from which the toner image has been transferred to the transfer material. The rigid blade includes a metal base and a coating layer formed on a surface of the metal base. The coating layer is disposed at least at an edge portion of the base that contacts the image carrier. An upstream part of the edge portion has a rounded shape with a radius of curvature that is less than an average radius of toner particles.
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公开(公告)号：US09417595B2
公开(公告)日：2016-08-16
申请号：US14831477
申请日：2015-08-20
Applicant: KONICA MINOLTA, INC.
Inventor： Takayuki Takai , Takuya Okada , Takashi Kawanago
IPC: G03G21/00
CPC classification number: G03G21/0035 , G03G21/0076
Abstract: An image forming apparatus transfers a toner image formed on an image carrier having a moving surface onto a transfer object, and includes: a cleaning member that performs a removal operation on residues remaining on the image carrier after transfer of the toner image; and a brush member that has bristles including original yarns with uneven surfaces formed by microparticles adhering to and coating the original yarns, and comes into contact with the image carrier, on a downstream side relative to the cleaning member in a movement direction of the surface of the image carrier, to remove part of the residues that remains unremoved on the image carrier even after the removal operation performed by the cleaning member.
Abstract translation: 图像形成装置将形成在具有移动表面的图像载体上的调色剂图像转印到转印体上，并且包括：清洁部件，其在转印调色剂图像之后对残留在图像载体上的残留物进行去除操作; 以及具有刷毛的刷毛构件，其包括具有由附着并涂布原始纱线的微粒形成的具有不均匀表面的原始纱线，并且在图像载体的相对于清洁构件的下游侧的表面的移动方向上 图像载体，即使在由清洁部件执行的去除操作之后，也可以去除图像载体上仍然未被除去的部分残留物。
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公开(公告)号：US20230069003A1
公开(公告)日：2023-03-02
申请号：US17858992
申请日：2022-07-06
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
Abstract: An image forming system includes: an image forming apparatus that includes a transfer device that transfers a toner image onto a sheet and a fixing device that fixes the toner image; a sheet heating device that heats the sheet on an upstream of the fixing device in a sheet conveyance direction; a first detector that detects a temperature inside the image forming apparatus; a second detector that detects a temperature of the sheet before the sheet heating device heats the sheet; and a controller that causes the sheet heating device to heat the sheet based on a detection result by the second detector and a sheet passing condition of the sheet, and corrects at least one of a transfer current and a transfer voltage in the transfer device based on a detection result by the first detector in a case where the sheet heating device heats the sheet.
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Patent Agency Ranking
公开(公告)号：US10379485B2
公开(公告)日：2019-08-13
申请号：US15925158
申请日：2018-03-19
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
Abstract: An image forming apparatus which transfers, onto paper, a toner image formed on a belt-shaped image carrier including an elastic layer on a surface thereof, and forms an image includes a rigid blade which cleans the surface of the image carrier in contact with the image carrier which has transferred the toner image onto the paper; a roller which is upstream of the rigid blade in a rotation direction of the image carrier, and cleans the surface of the image carrier upstream of the rigid blade by coming in contact with the image carrier which has transferred the toner image onto the paper; a rigid blade holder which holds the rigid blade; and a roller holder which holds the roller. The rigid blade holder and the roller holder are installed with a gap therebetween.
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公开(公告)号：US10152014B2
公开(公告)日：2018-12-11
申请号：US15351480
申请日：2016-11-15
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
Abstract: A cleaning apparatus which cleans an image carrier that has an elastic layer after a toner image formed on the image carrier is transferred onto a transfer object, the cleaning apparatus including: a cleaning blade which contacts the image carrier and removes a residue attached to the image carrier; a change section which changes a cleaning condition of cleaning by the cleaning blade; and a hardware processor which controls the change section to change the cleaning condition in accordance with deterioration of the image carrier.
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公开(公告)号：US10108132B2
公开(公告)日：2018-10-23
申请号：US15695985
申请日：2017-09-05
Applicant: KONICA MINOLTA, INC.
Inventor： Takashi Kawanago
Abstract: An image forming apparatus which transfers a toner image formed on an image carrier onto a transfer object and forms an image, the apparatus including: a cleaner which has a rigid blade made of metal that contacts the image carrier after transferring of the toner image onto the transfer object and cleans a residue attached to a surface of the image carrier, wherein the image carrier has a base layer and an elastic layer, and a surface hardness of the elastic layer measured by a nanoindentation method is 70 MPa or more and 150 MPa or less, and a thickness of the rigid blade is 100 μm or more and 300 μm or less.
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公开(公告)号：US20170139371A1
公开(公告)日：2017-05-18
申请号：US15351480
申请日：2016-11-15
Applicant: Konica Minolta, Inc.
Inventor： Takashi Kawanago
IPC: G03G15/16
CPC classification number: G03G21/0029 , G03G15/161 , G03G21/0011 , G03G21/02
Abstract: A cleaning apparatus which cleans an image carrier that has an elastic layer after a toner image formed on the image carrier is transferred onto a transfer object, the cleaning apparatus including: a cleaning blade which contacts the image carrier and removes a residue attached to the image carrier; a change section which changes a cleaning condition of cleaning by the cleaning blade; and a hardware processor which controls the change section to change the cleaning condition in accordance with deterioration of the image carrier.
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公开(公告)号：US09575438B2
公开(公告)日：2017-02-21
申请号：US14808044
申请日：2015-07-24
Applicant: Konica Minolta, Inc.
Inventor： Takayuki Takai , Takuya Okada , Takashi Kawanago
CPC classification number: G03G15/161 , G03G21/0029 , G03G21/0076 , G03G2215/0132
Abstract: An image forming device includes: an image carrier on which a toner image is formed; and a cleaning blade which removes a residual material on the image carrier after the toner image is transferred to a transferred body, wherein the image carrier includes an elastic layer, the cleaning blade is a metallic plate spring, and a tip end of the cleaning blade is pressed against the image carrier by restoring force of the plate spring.
Abstract translation: 图像形成装置包括：形成有调色剂图像的图像载体; 以及清洁刮板，其在将调色剂图像转印到转印体之后，除去图像载体上的残留物，其中，所述图像载体包括弹性层，所述清洁刮板是金属板簧，并且所述清洁刮板的前端 通过板弹簧的恢复力被压靠在图像载体上。
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