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    Image reading apparatus and image forming apparatus equipped therewith
    1.
    发明授权
    Image reading apparatus and image forming apparatus equipped therewith 有权
    图像读取装置和配备有其的图像形成装置

    公开(公告)号：US09420140B2

    公开(公告)日：2016-08-16

    申请号：US14692870

    申请日：2015-04-22

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Masahiro Imoto ,  Kenji Nakanishi ,  Yasuhiro Suto ,  Shohichi Fukutome ,  Kazuhiro Iguchi ,  Hiroki Kuruma

    IPC: H04N1/04 ,  H04N1/028

    CPC classification number: H04N1/02895 ,  H04N1/00997 ,  H04N1/028 ,  H04N1/193

    Abstract: An image reading apparatus has a light source unit for illuminating an object to be illuminated, a reading unit for reading the object illuminated by the light source unit, a reflective unit, having at least a first reflection mirror, for reflecting reading light reflected by the object toward the reading unit, and a first light blocking portion for partially blocking light except the reading light. The first reflection mirror has a reflecting surface for reflecting the reading light, and an end surface substantially orthogonal to the reflecting surface. The first light blocking portion extends in a longitudinal direction of the first reflection mirror toward the end surface of the first reflection mirror, with a tip end of the first light blocking portion being opposed to the end surface of the first reflection mirror with a gap therebetween.

    Abstract translation: 图像读取装置具有用于照射被照明物体的光源单元，用于读取由光源单元照明的物体的读取单元，具有至少第一反射镜的反射单元，用于反射由所述光源单元反射的读取光 朝向读取单元的物体，以及用于部分地遮挡除了读取光之外的光的第一遮光部分。 第一反射镜具有反射读取光的反射面和与反射面大致正交的端面。 第一遮光部分沿着第一反射镜的纵向方向朝向第一反射镜的端面延伸，第一遮光部分的末端与第一反射镜的端面相对，其间具有间隙 。

    Image reading apparatus and image forming apparatus
    2.
    发明授权
    Image reading apparatus and image forming apparatus 有权

    公开(公告)号：US10230865B2

    公开(公告)日：2019-03-12

    申请号：US15861710

    申请日：2018-01-04

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Masahiro Imoto ,  Yasuhiro Suto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Kazuhiro Iguchi

    IPC: H04N1/10 ,  F16H19/06 ,  F16H57/00 ,  G03G21/16 ,  G03G15/04 ,  G03G15/00 ,  H04N1/00 ,  H04N1/06 ,  G03G21/00

    Abstract: A driving device is used in an image reading apparatus, and reciprocates a scanning unit for reading an image on an original. The driving device comprises a pull member, a driving pulley which transmits driving force to the pull member, a following pulley which applies tension to the pull member and a pulley holder having a pulley axis which holds the following pulley rotatably. Then, the pulley axis has a lock pawl capable of locking an upper end portion of the following pulley and canceling engagement with the following pulley by being tilted toward a side of an axial center by elastic deformation. Furthermore, the lock pawl is arranged at a side of a tension acting direction from the pull member to the following pulley except the farthest position from the driving pulley among positions in a circumferential direction of the pulley axis. It is possible to attach and detach the following pulley easily at a time of maintenance or the like.

    Image reading apparatus and image forming apparatus
    3.
    发明授权
    Image reading apparatus and image forming apparatus 有权
    图像读取装置和图像形成装置

    公开(公告)号：US09374486B2

    公开(公告)日：2016-06-21

    申请号：US15012929

    申请日：2016-02-02

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Masahiro Imoto ,  Yasuhiro Suto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Kazuhiro Iguchi

    IPC: H04N1/00 ,  H04N1/10 ,  H04N1/06 ,  G03G21/00

    CPC classification number: H04N1/1026 ,  F16H19/0622 ,  F16H19/0672 ,  F16H57/0031 ,  F16H2019/0686 ,  G03G15/04 ,  G03G15/60 ,  G03G15/607 ,  G03G21/0094 ,  G03G21/1619 ,  G03G21/1647 ,  G03G21/1666 ,  H04N1/00795 ,  H04N1/06 ,  H04N1/10 ,  H04N1/103 ,  H04N2201/0081 ,  H04N2201/0094 ,  Y10T74/18848

    Abstract: A driving device is used in an image reading apparatus, and reciprocates a scanning unit for reading an image on an original. The driving device comprises a pull member, a driving pulley which transmits driving force to the pull member, a following pulley which applies tension to the pull member and a pulley holder having a pulley axis which holds the following pulley rotatably. Then, the pulley axis has a lock pawl capable of locking an upper end portion of the following pulley and canceling engagement with the following pulley by being tilted toward a side of an axial center by elastic deformation. Furthermore, the lock pawl is arranged at a side of a tension acting direction from the pull member to the following pulley except the farthest position from the driving pulley among positions in a circumferential direction of the pulley axis. It is possible to attach and detach the following pulley easily at a time of maintenance or the like.

    Abstract translation: 在图像读取装置中使用驱动装置，并使用于读取原稿上的图像的扫描单元往复运动。 驱动装置包括拉动构件，将驱动力传递到拉动构件的驱动滑轮，向牵引构件施加张力的随动滑轮和具有可旋转地保持随动滑轮的滑轮轴的滑轮保持器。 然后，滑轮轴具有锁定爪，该锁定爪能够锁定下一个滑轮的上端部，并且通过弹性变形朝向轴向中心侧倾斜而与随后的滑轮抵消接合。 此外，锁定爪布置在沿着带轮轴线的圆周方向的位置之外的除了从驱动带轮的最远位置之外的从拉构件到随动带轮的拉伸作用方向的一侧。 在维护等时，可以容易地安装和拆卸下一个滑轮。

    Driving device, image reading apparatus and image forming apparatus
    4.
    发明授权
    Driving device, image reading apparatus and image forming apparatus 有权
    驱动装置，图像读取装置和图像形成装置

    公开(公告)号：US09282213B2

    公开(公告)日：2016-03-08

    申请号：US14608397

    申请日：2015-01-29

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Masahiro Imoto ,  Yasuhiro Suto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Kazuhiro Iguchi

    IPC: H04N1/10 ,  F16H19/06 ,  F16H57/00 ,  G03G21/16

    CPC classification number: H04N1/1026 ,  F16H19/0622 ,  F16H19/0672 ,  F16H57/0031 ,  F16H2019/0686 ,  G03G15/04 ,  G03G15/60 ,  G03G15/607 ,  G03G21/0094 ,  G03G21/1619 ,  G03G21/1647 ,  G03G21/1666 ,  H04N1/00795 ,  H04N1/06 ,  H04N1/10 ,  H04N1/103 ,  H04N2201/0081 ,  H04N2201/0094 ,  Y10T74/18848

    Abstract: A driving device is used in an image reading apparatus, and reciprocates a scanning unit for reading an image on an original. The driving device comprises a pull member, a driving pulley which transmits driving force to the pull member, a following pulley which applies tension to the pull member and a pulley holder having a pulley axis which holds the following pulley rotatably. Then, the pulley axis has a lock pawl capable of locking an upper end portion of the following pulley and canceling engagement with the following pulley by being tilted toward a side of an axial center by elastic deformation. Furthermore, the lock pawl is arranged at a side of a tension acting direction from the pull member to the following pulley except the farthest position from the driving pulley among positions in a circumferential direction of the pulley axis. It is possible to attach and detach the following pulley easily at a time of maintenance or the like.

    Abstract translation: 在图像读取装置中使用驱动装置，并使用于读取原稿上的图像的扫描单元往复运动。 驱动装置包括拉动构件，将驱动力传递到拉动构件的驱动滑轮，向牵引构件施加张力的随动滑轮和具有可旋转地保持随动滑轮的滑轮轴的滑轮保持器。 然后，滑轮轴具有锁定爪，该锁定爪能够锁定下一个滑轮的上端部，并且通过弹性变形朝向轴向中心侧倾斜而与随后的滑轮抵消接合。 此外，锁定爪布置在沿着带轮轴线的圆周方向的位置之外的除了从驱动带轮的最远位置之外的从拉构件到随动带轮的拉伸作用方向的一侧。 在维护等时，可以容易地安装和拆卸下一个滑轮。

    Image reading apparatus and image forming apparatus
    5.
    发明授权
    Image reading apparatus and image forming apparatus 审中-公开

    公开(公告)号：US10674031B2

    公开(公告)日：2020-06-02

    申请号：US16251277

    申请日：2019-01-18

    Applicant: Sharp Kabushiki Kaisha

    Inventor： Masahiro Imoto ,  Yasuhiro Suto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Kazuhiro Iguchi

    IPC: H04N1/10 ,  F16H19/06 ,  F16H57/00 ,  G03G21/16 ,  G03G15/04 ,  G03G15/00 ,  H04N1/00 ,  H04N1/06 ,  G03G21/00

    Abstract: A driving device is used in an image reading apparatus, and reciprocates a scanning unit for reading an image on an original. The driving device comprises a pull member, a driving pulley which transmits driving force to the pull member, a following pulley which applies tension to the pull member and a pulley holder having a pulley axis which holds the following pulley rotatably. Then, the pulley axis has a lock pawl capable of locking an upper end portion of the following pulley and canceling engagement with the following pulley by being tilted toward a side of an axial center by elastic deformation. Furthermore, the lock pawl is arranged at a side of a tension acting direction from the pull member to the following pulley except the farthest position from the driving pulley among positions in a circumferential direction of the pulley axis. It is possible to attach and detach the following pulley easily at a time of maintenance or the like.

    Image reading apparatus and image forming apparatus
    8.
    发明授权
    Image reading apparatus and image forming apparatus 有权
    图像读取装置和图像形成装置

    公开(公告)号：US09420142B2

    公开(公告)日：2016-08-16

    申请号：US14311586

    申请日：2014-06-23

    Applicant: SHARP KABUSHIKI KAISHA

    Inventor： Masahiro Imoto ,  Yasuhiro Suto ,  Hisashi Yamanaka ,  Kenji Nakanishi ,  Shohichi Fukutome ,  Kazuhiro Iguchi

    IPC: H04N1/04 ,  H04N1/10 ,  H04N1/00

    CPC classification number: H04N1/00519 ,  H04N1/00278 ,  H04N1/00557 ,  H04N1/00795 ,  H04N1/0083 ,  H04N1/1026 ,  H04N1/1061 ,  H04N2201/0094

    Abstract: An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise.

    Abstract translation: 图像读取装置包括具有保持柔性扁平电缆的保持部的图像扫描单元。 保持部向副扫描方向的上游侧突出，设置有第二壁部。 从连接器延伸的柔性扁平电缆与第二壁部接触。 对于柔性扁平电缆，向下运动由下保持部分调节，向上运动由上保持部分调节。 因此，柔性扁平电缆不升高。

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