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1. 发明授权

US11528377B2 Document feeder and image forming apparatus 有权
公开(公告)号：US11528377B2
公开(公告)日：2022-12-13
申请号：US17351728
申请日：2021-06-18
申请人： SHARP KABUSHIKI KAISHA
发明人： Yasumasa Morimoto , Shohichi Fukutome
IPC分类号： H04N1/00
摘要： A document feeder includes a mode selector, at least two document sensors, and a feeding determiner. The mode selector receives selection of either a normal mode for feeding documents having the same size or a mixed loading mode for feeding documents having different sizes. The document sensors are arranged at an interval in a width direction of the documents, and detect the documents. The feeding determiner performs, based on results of the detection by the document sensors, a size determination to determine a size of a document being fed and a skew determination to determine whether or not the document being fed is skewed. The feeding determiner performs the skew determination when the normal mode has been selected and performs the size determination when the mixed loading mode has been selected.

2. 发明申请

US20190260893A1 IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190260893A1
公开(公告)日：2019-08-22
申请号：US16399881
申请日：2019-04-30
申请人： SHARP KABUSHIKI KAISHA
发明人： Masahiro Imoto , Yasuhiro Suto , Hisashi Yamanaka , Kenji Nakanishi , Shohichi Fukutome , Kazuhiro Iguchi
IPC分类号： H04N1/00 , H04N1/10
摘要： 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.

3. 发明授权

US10326899B2 Image reading apparatus and image forming apparatus 有权
公开(公告)号：US10326899B2
公开(公告)日：2019-06-18
申请号：US16000150
申请日：2018-06-05
申请人： SHARP KABUSHIKI KAISHA
发明人： Masahiro Imoto , Yasuhiro Suto , Hisashi Yamanaka , Kenji Nakanishi , Shohichi Fukutome , Kazuhiro Iguchi
IPC分类号： H04N1/04 , H04N1/00 , H04N1/10
摘要： 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.

4. 发明授权

US09894234B2 Image reading apparatus and image forming apparatus 有权
公开(公告)号：US09894234B2
公开(公告)日：2018-02-13
申请号：US15372473
申请日：2016-12-08
申请人： Sharp Kabushiki Kaisha
发明人： Masahiro Imoto , Yasuhiro Suto , Shohichi Fukutome , Kenji Nakanishi , Kazuhiro Iguchi
IPC分类号： H04N1/10 , F16H19/06 , F16H57/00 , G03G21/16 , G03G15/04 , G03G15/00 , H04N1/00 , H04N1/06 , G03G21/00
CPC分类号： 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
摘要： 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.

5. 发明授权

US09635209B2 Illuminating device, image reading device, and image forming device including the illuminating device and the image reading device 有权
公开(公告)号：US09635209B2
公开(公告)日：2017-04-25
申请号：US15183842
申请日：2016-06-16
申请人： Sharp Kabushiki Kaisha
发明人： Yasuhiro Suto , Kenji Nakanishi , Shohichi Fukutome , Masahiro Imoto , Kazuhiro Iguchi , Hiroki Kuruma
IPC分类号： H04N1/04 , H04N1/028 , F21V8/00
CPC分类号： H04N1/02855 , G02B6/0006 , G02B6/0073 , G02B6/0088 , H04N1/02835 , H04N2201/0081
摘要： In an image forming device, a light-guiding member includes an integrated ridge extending in the longitudinal direction of the light-guiding member. The light-guiding member further includes a protrusion on the ridge. The illuminating device includes an attachment recess that holds the light-guiding member and a holder member that has a fit portion to which a protrusion is fitted. The protrusion is disposed at a position decentered to one end portion of the light-guiding member in the longitudinal direction of the light-guiding member.

6. 发明授权

US09554012B2 Image reading apparatus and image forming apparatus 有权
标题翻译：图像读取装置和图像形成装置
公开(公告)号：US09554012B2
公开(公告)日：2017-01-24
申请号：US15171106
申请日：2016-06-02
申请人： Sharp Kabushiki Kaisha
发明人： Masahiro Imoto , Yasuhiro Suto , Shohichi Fukutome , Kenji Nakanishi , Kazuhiro Iguchi
IPC分类号： H04N1/10 , G03G21/16 , F16H19/06
CPC分类号： 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
摘要： 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.
摘要翻译：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。

7. 发明授权

US09383500B2 Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus 有权
公开(公告)号：US09383500B2
公开(公告)日：2016-07-05
申请号：US14750919
申请日：2015-06-25
申请人： SHARP KABUSHIKI KAISHA
发明人： Yasuhiro Suto , Mitsuharu Yoshimoto , Tomohiko Okada , Hisashi Yamanaka , Shohichi Fukutome , Kenji Nakanishi
IPC分类号： H04N1/04 , F21V8/00 , H04N1/028 , H04N1/10 , H04N1/193 , G03B27/54 , G03G15/00 , H04N1/00
CPC分类号： H04N1/0285 , G02B6/0031 , G02B6/0033 , G02B6/0045 , G02B6/0055 , G02B6/0073 , G02B6/009 , G03B27/542 , G03G15/04 , G03G15/602 , H04N1/00278 , H04N1/02845 , H04N1/02855 , H04N1/02865 , H04N1/1013 , H04N1/193 , H04N2201/0081 , H04N2201/0094 , H04N2201/02462 , H04N2201/0434
摘要： An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided.An LED array and a reflective plate are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member is disposed on the side of the LED array. The light-guiding member includes a direct emission unit disposed between an illumination range y centered on a document reading position and the LED array and an indirect emission unit disposed between the reflective plate and the LED array, a light incidence face of the direct emission unit and a light incidence face of the indirect emission unit are disposed at mutually different position around the LED array, and the LED array is disposed on a side of an interior angle formed by the light incidence faces.

8. 发明授权

US09106782B2 Image reader and image forming apparatus 有权
标题翻译：图像读取器和图像形成装置
公开(公告)号：US09106782B2
公开(公告)日：2015-08-11
申请号：US14510683
申请日：2014-10-09
申请人： SHARP KABUSHIKI KAISHA
发明人： Hisashi Yamanaka , Mitsuharu Yoshimoto , Kenji Nakanishi , Yasuhiro Suto , Shohichi Fukutome , Masahiro Imoto
IPC分类号： H04N1/00 , G03G21/20 , H04N1/028 , H04N1/10 , H04N1/193 , H04N1/12
CPC分类号： H04N1/00981 , G03G21/206 , H04N1/00909 , H04N1/02865 , H04N1/1013 , H04N1/1235 , H04N1/193 , H04N2201/0094
摘要： An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device.
摘要翻译：在其壳体中设置有由在水平扫描方向上排列成行并向文档发光的多个LED元件的LED阵列构成的第一扫描单元。进气口和排气口设置在图像读取器的壳体上。将进气口和排气口相互连接的空气流路的假想线配置为在第一扫描单元的水平扫描方向上相邻于第一扫描单元的LED阵列的中心，其中第一扫描单元停止在由文件传送装置传送的文件的阅读位置。

9. 发明申请

US20150098744A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150098744A1
公开(公告)日：2015-04-09
申请号：US14391254
申请日：2013-04-05
申请人： SHARP KABUSHIKI KAISHA
发明人： Kenji Nakanishi , Masahiro Imoto , Yasuhiro Suto , Shohichi Fukutome , Hisashi Yamanaka , Mitsuharu Yoshimoto
IPC分类号： G03G15/00
CPC分类号： H04N1/0057 , B41J29/13 , B65H29/14 , B65H29/52 , B65H31/00 , B65H2301/5133 , B65H2405/115 , B65H2801/06 , G03G15/00 , G03G15/60 , G03G15/6552 , G03G21/1619 , H04N1/00522 , H04N1/00527 , H04N1/00543 , H04N1/00631 , H04N1/00795 , H04N1/0083 , H04N1/1026 , H04N2201/0082
摘要： An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray. The second surface is a surface at a back side of the discharge unit in the discharging direction lower than the first surface with respect to the discharge tray. A pulling member and/or a movable wiring are/is arranged at an upper side of the second surface inside the housing. The pulling member is configured to move the scanning body back and forth in the sub-scanning direction. One end portion of the movable wiring is secured to the scanning body.
摘要翻译：图像形成装置包括图像读取单元，图像形成单元，排出单元和排出托盘。图像读取单元被配置为通过沿副扫描方向移动和扫描扫描体来读取放置在文档放置台上的文档。图像形成单元被配置为在纸张上形成由图像读取单元读取的图像。排出单元被配置为将由图像形成单元形成图像的纸张排出到与副扫描方向垂直的方向。排出托盘在其上将来自排出单元的纸张放置在图像读取单元的下侧的空间部分。图像读取单元的面向排出托盘的壳体的底面由第一表面和第二表面构成。第一表面是排出单元的前侧处于排出方向的表面，并且相对于排出托盘高。第二表面是排出单元的后侧处于相对于排出托盘排出方向低于第一表面的表面。拉动构件和/或可动布线布置在壳体内的第二表面的上侧。牵引构件被构造成沿副扫描方向前后移动扫描体。可移动布线的一端固定在扫描体上。

10. 发明授权

US11608241B2 Document feeder and image forming apparatus 有权
公开(公告)号：US11608241B2
公开(公告)日：2023-03-21
申请号：US17708430
申请日：2022-03-30
申请人： SHARP KABUSHIKI KAISHA
发明人： Shohichi Fukutome , Kenji Kuroda , Hironori Ogasawara , Hisashi Yamanaka , Toshiki Fukunishi
IPC分类号： B65H31/00 , H04N1/00
摘要： A document feeder includes a document placing tray on which a document is placed; a document discharging tray on which a document discharged from a document discharging port in a discharging direction is stacked; and a light source that radiates light to the document discharging tray. The document discharging tray is disposed below the document placing tray. The document discharging tray has a protruding portion protruding upward from the surrounding area. The light source is disposed within a region having a width that is the same as a document having a maximum size in the width direction.

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