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    IMAGE FORMING APPARATUS
    1.
    发明申请
    IMAGE FORMING APPARATUS 审中-公开
    图像形成装置

    公开(公告)号：US20150338816A1

    公开(公告)日：2015-11-26

    申请号：US14717394

    申请日：2015-05-20

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Takuma Tadomi

    IPC: G03G15/00 ,  G03G15/20

    CPC classification number: G03G15/70 ,  G03G15/2017 ,  G03G15/2035 ,  G03G2215/2009 ,  G03G2215/2022

    Abstract: An image forming apparatus includes: an image forming portion; a pair of rotatable members, at least one of which is an endless belt; a contact-and-separation portion; a driving portion; a detecting portion configured to detect presence or absence of the sheet and another object on a sheet feeding path downstream of a fixing nip with respect to a sheet feeding direction; and an output portion configured to output a signal indicating breakage of the belt upon detection of the presence of the object on the sheet feeding path by the detecting portion when said rotatable members are spaced from each other and the belt rotates.

    Abstract translation: 图像形成装置包括：图像形成部; 一对可旋转构件，其至少一个是环形带; 接触分离部分; 驱动部分; 检测部，被配置为检测片材的存在或不存在以及相对于片材进给方向在定影辊隙下游的片材进给路径上的另一物体; 以及输出部，被配置为当所述可旋转构件彼此间隔开并且所述带旋转时，通过所述检测部分检测到所述物体在所述片材馈送路径上的存在的情况下，输出指示所述带的断裂的信号。

    FIXING UNIT
    2.
    发明公开
    FIXING UNIT 审中-公开

    公开(公告)号：US20240295845A1

    公开(公告)日：2024-09-05

    申请号：US18661812

    申请日：2024-05-13

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Tatsuo Yasui ,  Junichi Moteki ,  Akiyoshi Shinagawa ,  Takuma Tadomi ,  Ikuo Nakamoto ,  Toru Katsumi ,  Takahiro Ohnishi

    IPC: G03G15/20

    CPC classification number: G03G15/2053 ,  G03G15/2064 ,  G03G2215/00679 ,  G03G2215/2038

    Abstract: A fixing unit includes an endless belt, a heating unit configured to heat the belt, a pressure rotary member configured to form a fixing nip portion that nips and conveys a recording material with the belt, a pad configured to press the belt toward the pressure rotary member, a sliding sheet provided on the pad and configured to slide against the belt, a plate-like member configured to fix the sliding sheet to the pad, the sliding sheet being fixed in a manner sandwiched between the plate-like member and the pad, and fixing tools configured to fix the plate-like member at a plurality of positions along a longitudinal direction of the plate-like member. A width of the sliding sheet is wider than a width of the fixing nip portion and narrower than a width of the plate-like member in the longitudinal direction.

    Image forming apparatus which controls period between trailing edge of preceding sheet and leading edge of next sheet
    3.
    发明授权
    Image forming apparatus which controls period between trailing edge of preceding sheet and leading edge of next sheet 有权

    公开(公告)号：US10114329B2

    公开(公告)日：2018-10-30

    申请号：US15601785

    申请日：2017-05-22

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Takuma Tadomi ,  Tatsuhito Watanabe

    IPC: G03G15/00 ,  G03G15/20

    Abstract: An image forming apparatus includes an image forming device, a fixing device including a first rotary member of which a surface layer containing a fluororesin is brought into contact with a sheet surface having an unfixed toner image formed by the image forming device, and a controller. In a case that image formation processing for continuously forming a toner image on a plurality of predetermined sheets is executed, the controller can control conveyance of a sheet so that a portion of the surface layer of the first rotary member which is brought into contact with a trailing edge of a preceding sheet is brought into contact with a margin area on a leading edge side on a next sheet.

    Image forming apparatus
    4.
    发明授权
    Image forming apparatus 有权

    公开(公告)号：US12066783B2

    公开(公告)日：2024-08-20

    申请号：US17980640

    申请日：2022-11-04

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Junichi Moteki ,  Takuma Tadomi ,  Kohei Aoki

    IPC: G03G15/00

    CPC classification number: G03G15/70

    Abstract: A contact member comes into contact with a back surface of a recording material between a nip portion and a transfer portion in a conveyance direction of the recording material. The contact member is capable of being located at a first position, a second position, and a third position. A detection unit detects a position of the contact member so that the detection unit can detect the first position, the second position, and the third position. The contact member reaches the third position by being biased by the recording material from the second position.

    IMAGE FORMING APPARATUS
    7.
    发明公开
    IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20230152743A1

    公开(公告)日：2023-05-18

    申请号：US17980640

    申请日：2022-11-04

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Junichi Moteki ,  Takuma Tadomi ,  Kohei Aoki

    IPC: G03G15/00

    CPC classification number: G03G15/70

    Abstract: A contact member comes into contact with a back surface of a recording material between a nip portion and a transfer portion in a conveyance direction of the recording material. The contact member is capable of being located at a first position, a second position, and a third position. A detection unit detects a position of the contact member so that the detection unit can detect the first position, the second position, and the third position. The contact member reaches the third position by being biased by the recording material from the second position.

    Fixing device with roughening rubbing member for endless fixing belt
    9.
    发明授权
    Fixing device with roughening rubbing member for endless fixing belt 有权

    公开(公告)号：US11256201B2

    公开(公告)日：2022-02-22

    申请号：US17006204

    申请日：2020-08-28

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Takuma Tadomi

    IPC: G03G15/20

    Abstract: A fixing device includes an endless belt; a driving rotatable member cooperative with the endless belt to form a nip for fixing a toner image on a recording material and for driving the endless belt; an urging member provided inside the endless belt to urge the endless belt toward the driving rotatable member; and a rubbing rotatable member for rubbing an outer surface of the endless belt.

    FIXING UNIT
    10.
    发明申请
    FIXING UNIT 有权

    公开(公告)号：US20220011698A1

    公开(公告)日：2022-01-13

    申请号：US17487017

    申请日：2021-09-28

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Tatsuo Yasui ,  Junichi Moteki ,  Akiyoshi Shinagawa ,  Takuma Tadomi ,  Ikuo Nakamoto ,  Toru Katsumi ,  Takahiro Ohnishi

    IPC: G03G15/20

    Abstract: A fixing unit includes an endless belt, a heating unit configured to heat the belt, a pressure rotary member configured to form a fixing nip portion that nips and conveys a recording material with the belt, a pad configured to press the belt toward the pressure rotary member, a sliding sheet provided on the pad and configured to slide against the belt, a plate-like member configured to fix the sliding sheet to the pad, the sliding sheet being fixed in a manner sandwiched between the plate-like member and the pad, and fixing tools configured to fix the plate-like member at a plurality of positions along a longitudinal direction of the plate-like member. A width of the sliding sheet is wider than a width of the fixing nip portion and narrower than a width of the plate-like member in the longitudinal direction.

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