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公开(公告)号：US11878891B2
公开(公告)日：2024-01-23
申请号：US17547475
申请日：2021-12-10
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Kazuki Kishi , Tomoaki Yoshioka , Kazuyoshi Hagiwara , Yoko Miyamoto , Toshiaki Baba , Tomohiro Wada , Yosuke Tsutsumi
CPC classification number: B65H5/025 , B65H5/085 , G03G15/0131 , G03G15/2028 , G03G15/65 , G03G15/657 , G03G15/6529 , G03G15/6558 , G03G21/168 , G03G21/1685 , G03G2215/00409 , G03G2215/00413 , G03G2215/00687
Abstract: A cylinder member includes: a cylinder body having a cross section and including a dent portion; a sheet member wrapped around the cylinder body and including a metal layer contacting the cylinder body and an outer layer; a first attachment member on a sheet member first end portion and removably attached to the dent portion; a second attachment member on a metal layer end portion protruding from the outer layer in the circumferential direction at a sheet member second end portion, the second attachment member being removably attached to the dent portion; a tension-applying mechanism pulling the second attachment member in a dent portion depth direction to apply tension to the metal layer; a projection on one of the second attachment member and metal layer end portion; and a fitting portion on other one of the second attachment member and the metal layer end portion and fitted to the projection.
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公开(公告)号：US11835889B2
公开(公告)日：2023-12-05
申请号：US17715242
申请日：2022-04-07
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Yoko Miyamoto , Takashi Hoshino , Shinji Okuyama , Tomoaki Yoshioka , Toshiaki Baba , Chihiro Iijima
CPC classification number: G03G15/1615 , G03G15/0131 , G03G15/2007 , G03G15/55 , G03G15/70
Abstract: An image forming apparatus includes: a colorant image former; an image holder configured to hold a colorant image formed by the colorant image former and to be rotationally driven; a transfer member configured to transfer the colorant image onto a recording medium, which is transported from an upstream side, by sandwiching the recording medium between the transfer member and the image holder, and rotationally driving the transfer member to transport the recording medium to a downstream side; and a contact-and-separation mechanism configured to relatively contact or separate the image holder and the transfer member, in which, in response to an abnormality being detected, the image forming apparatus operates in a mode in which the contact-and-separation mechanism relatively separates the image holder and the transfer member, and then rotational driving of the transfer member is stopped after rotational driving of the image holder is stopped.
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公开(公告)号：US11656563B2
公开(公告)日：2023-05-23
申请号：US17552071
申请日：2021-12-15
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Yoko Miyamoto , Hirotaka Tanaka , Kazuyoshi Hagiwara , Kei Tanaka , Tomoaki Yoshioka , Toshiaki Baba , Koichiro Yuasa
CPC classification number: G03G15/162 , G03G15/0131 , G03G15/165 , G03G15/167 , G03G15/1655 , G03G15/1685 , G03G15/657 , G03G15/6529 , G03G15/6558 , G03G21/168 , G03G2215/00379 , G03G2215/00409 , G03G2215/00413
Abstract: A jacket includes: a first layer that is on a cylinder body side when the jacket is attached to a rotating cylinder body; and a second layer that is a layer located on a side opposite to the cylinder body with respect to the first layer, has a hardness lower than that of the first layer, and does not exist at a position where at least one of end edges of the cylinder body in a rotation axis direction is located inward of the first layer in the rotation axis direction.
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4.发明申请公开(公告)号：US20220097993A1
公开(公告)日：2022-03-31
申请号：US17326522
申请日：2021-05-21
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Toshiaki BABA , Tomoaki Yoshioka , Yoko Miyamoto , Kazuki Kishi , Yosuke Tsutsumi
IPC: B65H27/00
Abstract: A method for manufacturing a cylindrical member includes: fixing an end portion of an elastic body to an end portion, in a circumferential direction, of a recess provided in a cylindrical body having a substantially circular shape in cross section, the recess extending along an axial direction of the cylindrical body; and winding the elastic body around the cylindrical body while pressing the elastic body using a pressing member.
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公开(公告)号：US12227001B2
公开(公告)日：2025-02-18
申请号：US17864357
申请日：2022-07-13
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Toshiaki Baba , Tomoaki Yoshioka , Satoshi Shigezaki , Yoko Miyamoto , Tomohiro Wada , Haruka Kobayashi , Kazuyoshi Hagiwara
Abstract: An image forming apparatus includes a holding body that holds a formed image; a transport unit that transports a recording medium in a state where a tip of the recording medium is grasped by a grasping portion; a transfer cylinder that has a substantially circular cross section, and that includes a concave portion that accommodates the grasping portion in a direction substantially orthogonal to a rotation direction and transfers an image on the holding body to the recording medium transported by the transport unit by interposing the recording medium transported by the transport unit between the transfer cylinder and the holding body; and an imparting portion that imparts a transport load to the recording medium that is transported to a transfer position at which the image on the holding body is transferred to the recording medium.
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Patent Agency Ranking
公开(公告)号：US12072646B2
公开(公告)日：2024-08-27
申请号：US17967049
申请日：2022-10-17
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Tomoaki Yoshioka , Mitsuaki Kuroda , Kazuyoshi Hagiwara , Shohei Miyagawa , Kei Tanaka , Masaaki Takahashi , Yoko Miyamoto , Toshiaki Baba
CPC classification number: G03G15/1605 , G03G15/20 , G03G15/2053
Abstract: Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.
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公开(公告)号：US11774896B2
公开(公告)日：2023-10-03
申请号：US17549410
申请日：2021-12-13
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Kazuki Kishi , Tomoaki Yoshioka , Kazuyoshi Hagiwara , Yoko Miyamoto , Toshiaki Baba , Tomohiro Wada , Yosuke Tsutsumi
CPC classification number: G03G15/6529 , B65H9/04 , B65H9/08
Abstract: A method for attaching a sheet member to a cylinder body includes: preliminarily fixing a first end portion of the sheet member to a first fixation portion of a cylinder body provided in an apparatus body and having a substantially circular cross section; wrapping the sheet member around the cylinder body by rotating the cylinder body; fixing the first end portion and a second end portion of the sheet member to the first fixation portion and a second fixation portion, respectively; and installing an installation member between the apparatus body and an inner surface of the sheet member before the wrapping of the sheet member around the cylinder body.
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8.发明授权公开(公告)号：US11599045B1
公开(公告)日：2023-03-07
申请号：US17556537
申请日：2021-12-20
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Tomoaki Yoshioka , Kazuyoshi Hagiwara , Kazuki Kishi , Yoko Miyamoto , Toshiaki Baba
Abstract: A transfer device includes: a transfer drum that has a groove-like recess extending in an axial direction in an outer circumferential portion thereof, rotates about an axis thereof, and comes into contact with a medium being transported at a portion thereof on an upstream side of the recess in a rotation direction; a nip member, the nip member and the transfer drum forming therebetween a nip part where the medium is nipped; an application member that applies a voltage to the nip part where the medium is nipped, so that an image is transferred to the medium; and a contact mechanism that causes the nip member to come into contact only with a portion on the upstream side of the recess in the transfer drum in the rotation direction at a transfer-start time when the transfer of the image to the medium starts.
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公开(公告)号：US11520252B2
公开(公告)日：2022-12-06
申请号：US17337923
申请日：2021-06-03
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Tomoaki Yoshioka , Masaaki Takahashi , Kazuyoshi Hagiwara , Yoko Miyamoto , Toshiaki Baba
IPC: G03G15/16
Abstract: An image forming apparatus includes: an annular transfer belt having an outer surface on which an image is transferred; a nip portion that forms a nip region for nipping a recording medium with an outer surface of the transfer belt; a facing portion that faces the nip region from an inner side of the transfer belt and transfers the image from the transfer belt to the recording medium in the nip region by charging the transfer belt; and a transport unit including a holding portion that holds the recording medium, transports the recording medium by moving the holding portion, and causes the recording medium together with the holding portion to pass the nip region while holding the recording medium at the holding portion.
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公开(公告)号：US12116227B2
公开(公告)日：2024-10-15
申请号：US17964048
申请日：2022-10-12
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Tomohiro Wada , Tomoaki Yoshioka , Satoshi Shigezaki , Yoko Miyamoto , Toshiaki Baba , Haruka Kobayashi , Kazuyoshi Hagiwara , Kazuki Kishi
CPC classification number: B65H29/06 , B41F21/08 , B65H5/085 , B65H29/04 , B65H29/041 , B65H29/042 , B65H2404/521 , B65H2801/03
Abstract: An image forming apparatus includes: a holding body configured to hold a formed image; a conveyance unit configured to convey a recording medium with a leading end of the recording medium gripped by a gripping portion; and a transfer body including a recessed portion that accommodates the gripping portion and is provided along a direction substantially orthogonal to a rotational direction, configured to sandwich the recording medium conveyed by the conveyance unit between the transfer body and the holding body to transfer an image on the holding body to the recording medium conveyed by the conveyance unit, and including a slope surface provided at a leading end of a portion of an outer circumference not including a portion where the recessed portion is provided, the leading end being on a front end side in the rotational direction, a distance from the slope surface to a rotational center becoming larger toward a downstream side in the rotational direction.
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