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    Transfer unit and image forming apparatus including same
    1.
    发明授权
    Transfer unit and image forming apparatus including same 有权

    公开(公告)号：US12287594B2

    公开(公告)日：2025-04-29

    申请号：US18623498

    申请日：2024-04-01

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Kenichiro Kawasaki ,  Kazuhisa Hirahara ,  Takashi Kainuma

    IPC: G03G15/16 ,  G03G15/00

    Abstract: A transfer unit includes a seamless transfer belt, a plurality of transfer rollers, a backup roller, a plurality of pairs of first bearing holders, a pair of second bearing holders and a pair of sliders. Each of the sliders is reciprocated such that each of the first bearing holders slides on the corresponding one of the first step ribs to be reciprocated in a direction toward and away from the transfer belt and the second bearing holder slides on the second step rib to be reciprocated in the direction toward and away from the transfer belt. The first step rib arranged most upstream in the direction of travel of the transfer belt and the second step rib are arranged side by side in the axial direction of the transfer roller, and overlap each other when viewed in the axial direction.

    Image forming apparatus
    3.
    发明授权
    Image forming apparatus 有权

    公开(公告)号：US11454905B2

    公开(公告)日：2022-09-27

    申请号：US17375216

    申请日：2021-07-14

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Kainuma

    IPC: G03G15/20 ,  G03G15/16

    Abstract: An image forming apparatus includes a plurality of image carrying members, an intermediate transfer belt, a plurality of rollers, and a correcting mechanism. The intermediate transfer belt is endless and, to it, toner images formed on the image carrying members respectively are transferred by being sequentially superposed on each other. The correction mechanism includes a slanted bearing, which rotatably supports a tension roller, and a main body guide roller, which makes contact with the slanted bearing when it moves as a result of the intermediate transfer belt meandering and which moves the slanted bearing along with one end of the tension roller in the axial direction in the direction perpendicular to the axial direction to correct meandering of the intermediate transfer belt with respect to the tension roller. The main body guide roller is a rotary member which rotates while in contact with the slanted bearing.

    Image forming apparatus with height adjustment portion for fixing unit
    5.
    发明授权
    Image forming apparatus with height adjustment portion for fixing unit 有权
    具有固定单元高度调节部分的图像形成装置

    公开(公告)号：US09377753B2

    公开(公告)日：2016-06-28

    申请号：US14489311

    申请日：2014-09-17

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Kainuma

    IPC: G03G15/16 ,  G03G15/20 ,  G03G21/16

    CPC classification number: G03G21/1685

    Abstract: An image forming apparatus includes a fixing unit, a first support portion, and a second support portion. First support portion fits with and positions first supported portion, which is end of fixing unit, in up-down direction and supports first supported portion movably in insertion direction of fixing unit toward attachment position. Second support portion fits with and positions second supported portion, which is another end of fixing unit, in up-down direction and supports second supported portion movably in insertion direction. Height adjustment portion adjusts height position of fixing unit by moving second support portion in up-down direction. The first support portion includes vertical surface facing first supported portion and extending in up-down direction, and vertical surface has projection at an end thereof on foreside of insertion direction, the projection projecting from the vertical surface in first direction of going away from the vertical surface.

    Abstract translation: 图像形成装置包括固定单元，第一支撑部分和第二支撑部分。 第一支撑部分与上下方向配合并定位作为固定单元的端部的第一支撑部分，并且在固定单元的插入方向上可移动地支撑第一支撑部分朝向安装位置。 第二支撑部分与上下方向配合并定位作为固定单元的另一端的第二支撑部分，并且在插入方向上可移动地支撑第二支撑部分。 高度调节部通过沿上下方向移动第二支撑部来调整固定单元的高度位置。 第一支撑部分包括垂直表面相对的第一支撑部分并且沿上下方向延伸，并且垂直表面在其插入方向的前端具有突出部，该突出部从垂直表面沿第一方向突出，远离垂直方向 表面。

    Image forming apparatus
    6.
    发明授权
    Image forming apparatus 有权

    公开(公告)号：US12298686B2

    公开(公告)日：2025-05-13

    申请号：US18627675

    申请日：2024-04-05

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Kainuma ,  Kenichiro Kawasaki ,  Kazuhisa Hirahara

    IPC: G03G15/01 ,  G03G15/16

    Abstract: Provided is an image forming apparatus including: an apparatus main body; an intermediate transfer unit; and an image-bearing-member unit. the intermediate transfer unit includes an intermediate transfer belt, a frame, a drive roller, a tension roller, a transfer roller that is movable between a transfer position and a retractive position. The frame includes a first protrusion. The image-bearing-member unit includes an image bearing member, and a first regulating guide that extends in an axial direction of the image bearing member, and that faces the first protrusion in the upper-and-lower direction. The intermediate transfer belt and the image bearing member face each other with a predetermined length therebetween under a state in which the first protrusion and the first regulating guide are held in contact with each other, and in which the transfer roller has come to the retractive position.

    Image forming apparatus including an intermediate transfer belt correction mechanism and a belt cleaning unit
    9.
    发明授权
    Image forming apparatus including an intermediate transfer belt correction mechanism and a belt cleaning unit 有权

    公开(公告)号：US11281126B2

    公开(公告)日：2022-03-22

    申请号：US17373398

    申请日：2021-07-12

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Kainuma

    IPC: G03G15/16

    Abstract: An image forming apparatus includes a plurality of image carriers, an intermediate transfer belt, a plurality of rollers, a correction mechanism, and a belt cleaning unit. The intermediate transfer belt has an endless shape, and toner images respectively formed on the plurality of image carriers are sequentially overlaid and transferred thereto. The correction mechanism moves one end side in an axial direction of a tension roller along a direction perpendicular to the axial direction, so as to correct meandering of the intermediate transfer belt with respect to the tension roller. The belt cleaning unit includes a cleaning blade that is disposed in such a manner that its tip portion contacts with an outer circumferential surface of the intermediate transfer belt at a position facing the tension roller via the intermediate transfer belt, so as to remove extraneous matter from the outer circumferential surface of the intermediate transfer belt.

    Fixing device and image forming apparatus
    10.
    发明授权
    Fixing device and image forming apparatus 有权

    公开(公告)号：US10248056B2

    公开(公告)日：2019-04-02

    申请号：US16107224

    申请日：2018-08-21

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Eriko Hayashi ,  Ryohei Tokunaga ,  Tatsuya Yamanaka ,  Takashi Kainuma

    IPC: G03G15/20

    Abstract: A fixing device includes a fixing member, a pressuring member and a temperature sensing part. The fixing member heated by a heat source contacts with a recording medium to heat a toner image on the recording medium. The pressuring member pressures the recording medium to the fixing member. The temperature sensing part in non-contact with the fixing member includes an infrared sensing element sensing infrared rays from the fixing member and a condensing member condensing the infrared rays to the infrared sensing element. Detection temperature of the fixing member is calculated with a sensing value by the infrared sensing element. The detection temperature or control temperature of the heat source is corrected with temperature deference between the infrared sensing element and the condensing member. Heating of the fixing member is controlled with the corrected detection temperature and the control temperature or the detection temperature and the corrected control temperature.

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