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公开(公告)号：US11254532B2
公开(公告)日：2022-02-22
申请号：US16696223
申请日：2019-11-26
发明人： Kazuhiko Arimori
摘要： A medium transport apparatus includes: a medium mounting section configured to mount a medium; a feed roller configured to feed the medium from the medium mounting section; a separation roller configured to nip and separate the medium from the feed roller; a plurality of sensors disposed at positions facing a surface of the medium and configured to detect movement of the medium; and a control unit configured to stop feeding of the medium based on detection values received from the sensors, wherein the plurality of sensors are disposed upstream of a nipping position by the feed roller and the separation roller with a gap in a width direction being a direction intersecting a medium feed direction and detect movement of the medium in the width direction.
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公开(公告)号：US10447884B2
公开(公告)日：2019-10-15
申请号：US15622670
申请日：2017-06-14
摘要： A medium feeder includes a feed roller that feeds a medium loaded on a medium loading section; a transport roller disposed downstream relative to the feed roller; a first driving source that drives at least the feed roller; a second driving source that drives at least the transport roller; and a housing that houses the feed roller, the transport roller, the first driving source, and the second driving source, wherein the housing includes a lower unit that constitutes a lower part of the housing, and an upper unit openable relative to the lower unit, and the first driving source and the second driving source are disposed on both sides relative to a center part of the lower unit in a width direction perpendicular to a medium transportation direction.
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公开(公告)号：US11356574B2
公开(公告)日：2022-06-07
申请号：US17246976
申请日：2021-05-03
发明人： Kazuya Yoshikaie , Kazuhiko Arimori
摘要： An image reading apparatus includes a medium mounting portion configured to mount a medium; a feeding means configured to feed a medium from the medium mounting portion; at least one edge guide each configured to regulate a corresponding one of at least one medium width direction edge of the medium having been mounted on the medium mounting portion; a reading means configured to read the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction; and at least one medium detection means configured to detect the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction and further outside in the medium width direction than at least one edge regulation position for the edge regulation by the at least one edge guide.
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公开(公告)号：US20210258440A1
公开(公告)日：2021-08-19
申请号：US17246976
申请日：2021-05-03
发明人： Kazuya YOSHIKAIE , Kazuhiko Arimori
摘要： An image reading apparatus includes a medium mounting portion configured to mount a medium; a feeding means configured to feed a medium from the medium mounting portion; at least one edge guide each configured to regulate a corresponding one of at least one medium width direction edge of the medium having been mounted on the medium mounting portion; a reading means configured to read the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction; and at least one medium detection means configured to detect the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction and further outside in the medium width direction than at least one edge regulation position for the edge regulation by the at least one edge guide.
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5.发明授权公开(公告)号：US12071320B2
公开(公告)日：2024-08-27
申请号：US17648335
申请日：2022-01-19
CPC分类号： B65H7/06 , B41J11/006 , B65H5/062 , B65H2553/80
摘要： A medium transport apparatus includes a controller that determines how many transport roller pairs disposed on a medium transport route are transporting a medium, based on detection information from detectors disposed in relation to respective transport roller pairs. Then, the controller sets a threshold to a larger value as a larger number of transport roller pairs are transporting the medium and sets the threshold to a lower value as a smaller number of transport roller pairs are transporting the medium.
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公开(公告)号：US10389900B2
公开(公告)日：2019-08-20
申请号：US15859904
申请日：2018-01-02
发明人： Kazuhiko Arimori , Hidetoshi Masuda
摘要： An image reading apparatus is provided with a reader which reads a document, a transport roller which is provided on an upstream side of the reader in a document transport path in which the document is transported and transports the document to a reading position of the reader, and a controller which receives reading data of the reader and controls the transport roller, in which the controller receives the reading data from the reader to acquire a form of the document, and selects whether or not to stop driving of the transport roller based on the form.
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公开(公告)号：US09227810B2
公开(公告)日：2016-01-05
申请号：US14082526
申请日：2013-11-18
发明人： Kazuhiko Arimori
CPC分类号： B65H27/00 , B65H2401/241 , B65H2404/17 , B65H2801/12 , F16C33/102 , F16C33/1055
摘要： A medium transport device includes a rotation shaft that enables transport of a medium as it rotates, and a bearing of the rotation shaft, in which the rotation shaft is provided with a hollow portion, a lubricating material containing unit that contains a lubricating material inside an end portion of the hollow portion, and holes that are open to a contact portion with the bearing from the lubricating material containing unit, and the lubricating material can be drawn to the contact portion from the lubricating material containing unit via the holes.
摘要翻译： 一种中等输送装置，其特征在于，包括能够使介质在其旋转时的输送的旋转轴和旋转轴的轴承，所述旋转轴具有中空部，所述润滑材料容纳单元在所述旋转轴的内部具有润滑材料 中空部的端部，以及与来自润滑材料容纳单元的与轴承的接触部分开口的孔，并且润滑材料可以经由孔从润滑剂容纳单元被吸引到接触部。
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公开(公告)号：US11459198B2
公开(公告)日：2022-10-04
申请号：US16666320
申请日：2019-10-28
摘要： A medium feeding apparatus includes a pickup roller that feeds a medium from a medium mount section. A support member supports a pickup roller and swings around a swing axis to switch between a feeding position and a non-feeding position. A separation roller separates the medium from other media. A feed roller feeds the medium toward the downstream end. The separation and feed rollers are disposed downstream of the pickup roller. A control section controls a position of the support member. After the pickup roller and the feed roller start rotating, when the control section determines that the separation roller stops rotating or returns the medium by rotating in a reverse direction, based on a detection signal from a rotation sensing section configured to detect rotation of the separation roller, the control section causes the support member to switch from the feeding position to the non-feeding position.
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公开(公告)号：US11218611B2
公开(公告)日：2022-01-04
申请号：US16886216
申请日：2020-05-28
摘要： An image reading apparatus includes a reading unit, a transport unit that transport a document, a feeding unit that transports the document to the transport unit, a controller that stops the feeding operation of the feeding unit after the leading end of the preceding document transported from the feeding unit reaches the transport unit and restarts the feeding operation after the rear end of the preceding document passes a predetermined position. The controller, restarts the feeding operation a first time after the rear end of the succeeding document following the preceding document passes the predetermined position when a size of the preceding document indicates a first size, and restarts the feeding operation a second time after the rear end of the succeeding document passes the predetermined position where the second time is longer than the first time when the size indicates a second size larger than the first size.
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公开(公告)号：US11032440B2
公开(公告)日：2021-06-08
申请号：US16735483
申请日：2020-01-06
发明人： Kazuya Yoshikaie , Kazuhiko Arimori
摘要： An image reading apparatus includes a medium mounting portion configured to mount a medium; a feeding means configured to feed a medium from the medium mounting portion; at least one edge guide each configured to regulate a corresponding one of at least one medium width direction edge of the medium having been mounted on the medium mounting portion; a reading means configured to read the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction; and at least one medium detection means configured to detect the medium and disposed on a further downstream side than the at least one edge guide in the medium feeding direction and further outside in the medium width direction than at least one edge regulation position for the edge regulation by the at least one edge guide.
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