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公开(公告)号：US11947304B2
公开(公告)日：2024-04-02
申请号：US17948546
申请日：2022-09-20
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Haruyuki Ideura , Daisuke Tanaka , Takeshi Yasuda , Kaoru Matsushita
CPC classification number: G03G21/0035 , G03G15/161 , G03G2215/1661 , G03G2221/0005
Abstract: A cleaning device includes: a cleaning brush that has bristles that rotate and contact a surface, to which toner has adhered, of a cleaning member to be cleaned, the cleaning brush removing the toner adhered to the surface of the cleaning member; a first contact member that contacts the bristles without a position of the first contact member relative to a position of the cleaning brush being changed; and a second contact member that contacts the bristles at a location downstream from the first contact member in a direction of rotation of the cleaning brush and without a position of the second contact member relative to the position of the cleaning brush being changed, and that is disposed on an extension line extended from a line between an axial center of the cleaning brush and a base of the bristles that move away from the first contact member.
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公开(公告)号：US11106159B2
公开(公告)日：2021-08-31
申请号：US16864285
申请日：2020-05-01
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Satoshi Ao , Daisuke Tanaka
IPC: G03G15/16
Abstract: A belt driving device includes plural rotating members around which a belt member extends, each rotating member rotating about a rotating shaft; and contact members disposed at both sides of the belt member in a width direction. The rotating members include a first rotating member, having a dimension less than a width of the belt member in a direction of the rotating shaft. Each contact member has a first contact point at which the contact member contacts the belt member and a second contact point closer to a corresponding one of the end portions in the width direction than the first contact point and at which the contact member contacts the belt member such that an angle between the contact member and the rotating shaft at the second contact point is greater than an angle between the contact member and the rotating shaft at the first contact point.
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Patent Agency Ranking
公开(公告)号：US11914313B2
公开(公告)日：2024-02-27
申请号：US17369436
申请日：2021-07-07
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke Tanaka
IPC: G03G15/16
CPC classification number: G03G15/161 , G03G15/162
Abstract: An image forming apparatus includes: a toner feed body that is an endless belt holding a toner image, or is a transfer member transferring a toner image to a recording medium nipped between the endless belt and the transfer member; an electric charge imparting member that is provided so as to face a surface of the toner feed body and increases an amount of electric charges of toner adhering to the surface of the toner feed body; and a toner attracting member that is provided at a more downstream part of the toner feed body than the electric charge imparting member in a feed direction of the toner feed body and attracts the toner by being applied with a voltage having a polarity opposite to a polarity of the toner adhering to the surface of the toner feed body.
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公开(公告)号：US11474456B1
公开(公告)日：2022-10-18
申请号：US17409995
申请日：2021-08-24
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Takeshi Yasuda , Daisuke Tanaka , Kaoru Matsushita
IPC: G03G15/16
Abstract: An image forming apparatus includes: a toner transport body that is an endless belt holding a toner image, or is a transfer member transferring the toner image to a recording medium nipped between the endless belt and the transfer member; a cleaning brush that has plural first bristle materials that rotate and come into contact with a surface of the toner transport body, and cleans a toner adhering to the surface of the toner transport body; and a removing brush that has plural second bristle materials in contact with the first bristle material of the cleaning brush and removes the toner adhering to the first bristle material.
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公开(公告)号：US11188018B2
公开(公告)日：2021-11-30
申请号：US16924188
申请日：2020-07-09
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Kentaro Iwamoto , Kiyotoshi Kaneyama , Koichi Sato , Kaoru Matsushita , Hibiki Sasaki , Toshihiko Kamiyama , Mabumi Kashihara , Daisuke Tanaka , Takeshi Yasuda , Hiromoto Yamaki
Abstract: A medium transport device includes a transport member and a guide member. The transport member supports and transports a medium. The guide member is shifted from the transport member in a width direction of the medium to guide the medium. The guide member includes contact portions that come into contact with the medium. The contact portions are spaced apart from one another in a transport direction of the medium.
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公开(公告)号：US12298695B2
公开(公告)日：2025-05-13
申请号：US18177772
申请日：2023-03-03
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Hiromoto Yamaki , Daisuke Tanaka
Abstract: An image forming apparatus includes: a conveyance section that sequentially conveys a plurality of recording media; a transfer member that transfers an image formed on an image carrier to each of the recording media conveyed by the conveyance section, with a potential difference; a detection section that detects an electrical characteristic value of the transfer member in transferring the image to each of the recording media; and a determination section that determines multi feeding of the recording media, by comparing an electrical characteristic value in transferring the image to each of the recording media with an electrical characteristic value in transferring the image to each of the recording media.
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公开(公告)号：US20230305470A1
公开(公告)日：2023-09-28
申请号：US18177772
申请日：2023-03-03
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Hiromoto YAMAKI , Daisuke Tanaka
CPC classification number: G03G15/5062 , G03G15/0194 , G03G15/5016 , G03G15/5037
Abstract: An image forming apparatus includes: a conveyance section that sequentially conveys a plurality of recording media; a transfer member that transfers an image formed on an image carrier to each of the recording media conveyed by the conveyance section, with a potential difference; a detection section that detects an electrical characteristic value of the transfer member in transferring the image to each of the recording media; and a determination section that determines multi feeding of the recording media, by comparing an electrical characteristic value in transferring the image to each of the recording media with an electrical characteristic value in transferring the image to each of the recording media.
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