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公开(公告)号：US20180162676A1
公开(公告)日：2018-06-14
申请号：US15893980
申请日：2018-02-12
发明人： Kiyotaka NAKAMURA
CPC分类号： B65H31/14 , B65H29/12 , B65H29/14 , B65H31/02 , B65H2220/09 , B65H2301/4212 , B65H2405/1111 , B65H2405/11162 , B65H2405/11164 , B65H2405/1119 , B65H2405/32 , B65H2405/324 , B65H2801/12 , B65H2801/39 , H04N1/1215 , H04N2201/0081
摘要： A medium discharge device includes a discharge roller pair that is provided with a discharge driving roller and a discharge driven roller which drivably rotates in contact with the discharge driving roller, and a medium receiving tray which receives the medium that is fed and discharged by the discharge roller pair, in which the medium receiving tray includes a guide member which guides such that a tip end of the medium which is discharged from the discharge roller pair enters the medium mounting surface at a predetermined angle, and the guide member is provided to be elastically displaceable in an advancing and retreating direction with respect to the medium mounting surface of the medium receiving tray and is displaced in a direction coming close to the medium mounting surface according to raising of a pressing load due to the medium that is discharged to the medium receiving tray.
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公开(公告)号：US20180170695A1
公开(公告)日：2018-06-21
申请号：US15841015
申请日：2017-12-13
CPC分类号： B65H3/66 , B65H1/02 , B65H5/062 , B65H2402/46 , B65H2405/214 , B65H2405/324 , B65H2511/12 , B65H2511/22 , B65H2601/271 , B65H2801/39 , H04N1/00588 , H04N1/00615 , H04N2201/0081 , B65H2220/01 , B65H2220/04
摘要： A pair of edge guides provided on a medium mounting section of a medium feeding apparatus each include a volume limiter spaced from the mounting surface of the medium mounting section and extending from the guide surface of at least one of the pair of edge guides in a direction intersecting the guide surface, the volume limiter including a limiting surface that limits a number of sheets mounted on the medium mounting section. The limiting surface includes a groove extending in the feed direction, at a position between a corner portion formed at an intersection of an end portion of the limiting surface in the width direction and the guide surface, and the other end portion of the limiting surface, and configured to insert at least a part of a side edge of the medium, to thereby restrict the side edge from moving in the width direction.
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公开(公告)号：US20220089393A1
公开(公告)日：2022-03-24
申请号：US17537785
申请日：2021-11-30
摘要： A medium feeding device includes a medium placing portion, a feeding roller that feeds paper, a medium movement detecting portion that is positioned on a placing region of the paper of the medium placing portion in a medium feeding direction and is capable of detecting movement of the paper being fed in a width direction intersecting the medium feeding direction, and a controller that stops feeding of the paper in a case in which a physical quantity relating to movement of paper in the width direction exceeds a predetermined threshold based on a detected result by the medium movement detecting portion.
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公开(公告)号：US20170107072A1
公开(公告)日：2017-04-20
申请号：US15294469
申请日：2016-10-14
发明人： Kiyotaka NAKAMURA
CPC分类号： B65H31/14 , B65H29/12 , B65H29/14 , B65H31/02 , B65H2220/09 , B65H2301/4212 , B65H2405/1111 , B65H2405/11162 , B65H2405/11164 , B65H2405/1119 , B65H2405/32 , B65H2405/324 , B65H2801/12 , B65H2801/39 , H04N1/1215 , H04N2201/0081
摘要： A medium discharge device includes a discharge roller pair that is provided with a discharge driving roller and a discharge driven roller which drivably rotates in contact with the discharge driving roller, and a medium receiving tray which receives the medium that is fed and discharged by the discharge roller pair, in which the medium receiving tray includes a guide member which guides such that a tip end of the medium which is discharged from the discharge roller pair enters the medium mounting surface at a predetermined angle, and the guide member is provided to be elastically displaceable in an advancing and retreating direction with respect to the medium mounting surface of the medium receiving tray and is displaced in a direction coming close to the medium mounting surface according to raising of a pressing load due to the medium that is discharged to the medium receiving tray.
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公开(公告)号：US20210078819A1
公开(公告)日：2021-03-18
申请号：US17107528
申请日：2020-11-30
发明人： Kiyotaka NAKAMURA
摘要： A medium discharge device includes a discharge roller pair that is provided with a discharge driving roller and a discharge driven roller which drivably rotates in contact with the discharge driving roller, and a medium receiving tray which receives the medium that is fed and discharged by the discharge roller pair, in which the medium receiving tray includes a guide member which guides such that a tip end of the medium which is discharged from the discharge roller pair enters the medium mounting surface at a predetermined angle, and the guide member is provided to be elastically displaceable in an advancing and retreating direction with respect to the medium mounting surface of the medium receiving tray and is displaced in a direction coming close to the medium mounting surface according to raising of a pressing load due to the medium that is discharged to the medium receiving tray.
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公开(公告)号：US20210029263A1
公开(公告)日：2021-01-28
申请号：US16936701
申请日：2020-07-23
IPC分类号： H04N1/00
摘要： An image reading apparatus includes a feeding roller configured to feed a document, a separation roller configured to pinch the document with the feeding roller at a nipping position for separation, a first sending roller located downstream of the feeding roller and configured to send the document downstream, a read sensor located downstream of the first sending roller and configured to read the document, and a second sending roller located downstream of the read sensor and configured to send the document downstream. A guide surface is disposed downstream of the nipping position and below a common tangent line to the first sending roller and the second sending roller. The guide surface is positioned to come in contact with a front end of the document sent downward from the nipping position beyond the common tangent line to guide the document upward toward the common tangent line.
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公开(公告)号：US20200071100A1
公开(公告)日：2020-03-05
申请号：US16554251
申请日：2019-08-28
摘要： A medium feeding apparatus includes a feed roller that feeds media. A separation roller nips the media together with the feed roller to separate it and is rotated in a first direction to feed the media. A motor applies driving torque to the separation roller in a second direction opposite to the first direction. A torque limiter, when rotation torque applied to the separation roller in the first direction exceeds a preset upper torque limit, causes the separation roller to rotate at idle in the first direction independently of the driving torque. During feeding operations, including feeding of first and second media, a controller that controls the motor provides a break period in which the motor is not driven. The break period contains the timing when a rear edge of the first medium leaves a nip position between the feeding and separation rollers.
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公开(公告)号：US20190168984A1
公开(公告)日：2019-06-06
申请号：US16268277
申请日：2019-02-05
发明人： Kiyotaka NAKAMURA
摘要： A medium discharge device includes a discharge roller pair that is provided with a discharge driving roller and a discharge driven roller which drivably rotates in contact with the discharge driving roller, and a medium receiving tray which receives the medium that is fed and discharged by the discharge roller pair, in which the medium receiving tray includes a guide member which guides such that a tip end of the medium which is discharged from the discharge roller pair enters the medium mounting surface at a predetermined angle, and the guide member is provided to be elastically displaceable in an advancing and retreating direction with respect to the medium mounting surface of the medium receiving tray and is displaced in a direction coming close to the medium mounting surface according to raising of a pressing load due to the medium that is discharged to the medium receiving tray.
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公开(公告)号：US20190100396A1
公开(公告)日：2019-04-04
申请号：US16146889
申请日：2018-09-28
摘要： A medium feeding device includes a medium placing portion, a feeding roller that feeds paper, a medium movement detecting portion that is positioned on a placing region of the paper of the medium placing portion in a medium feeding direction and is capable of detecting movement of the paper being fed in a width direction intersecting the medium feeding direction, and a controller that stops feeding of the paper in a case in which a physical quantity relating to movement of paper in the width direction exceeds a predetermined threshold based on a detected result by the medium movement detecting portion.
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公开(公告)号：US20180041651A1
公开(公告)日：2018-02-08
申请号：US15667300
申请日：2017-08-02
发明人： Kiyotaka NAKAMURA
IPC分类号： H04N1/00
摘要： A lower read sensor is configured such that a lower read surface of the lower read sensor can be switched between a forward position in which the lower read surface is moved toward an upper read surface of an upper read sensor and a rearward position in which the lower read surface is moved away from the upper read surface farther than the forward position, and a controller switches the lower read sensor to the rearward position to transport a first medium having a predetermined stiffness and switches the lower read sensor to the forward position to transport a second medium having a stiffness lower than that of the first medium.
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