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公开(公告)号：US20220081237A1
公开(公告)日：2022-03-17
申请号：US17225132
申请日：2021-04-08
发明人： Shoichi MAEDA , Teruki NAGANUMA , Masahito NIWA , Yuichi ARAKI , Yoshiki KIMURA
摘要： A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that vertically raises or lowers the mount portion, a discharger that transports the sheet-shaped media stacked on the mount portion in order from an upper one of the sheet-shaped media, and first air outlets that blow air to the sheet-shaped media stacked on the mount portion at left and right edges in a feed width of the sheet-shaped media. The mount portion is changeable to a long mount portion capable of receiving long sheet-shaped media by extending an end portion of the mount portion upstream from an unchanged position in a transportation direction of the sheet-shaped media, the end portion corresponding to an upstream end portion in the transportation direction. The sheet-shaped-medium feeder has a second air outlet that blows air to at least one of left and right edges of the long sheet-shaped media stacked on the extended portion of the long mount portion.
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公开(公告)号：US20220082978A1
公开(公告)日：2022-03-17
申请号：US17225120
申请日：2021-04-08
发明人： Shoichi MAEDA , Masahito NIWA , Yuichi ARAKI , Yoshiki KIMURA
摘要： A feeder includes a body, a mount portion disposed in the body to support from below part of recording media stacked thereon, a lift that raises the mount portion, a support portion connected to the body to support from below another part of the recording media while the mount portion is raised, the support portion being located higher than a position of a mount surface of the mount portion while the recording media are stacked on the mount portion, a blowing portion that blows air between the recording media stacked on the mount portion, and a transport portion that transports the recording media stacked on the mount portion.
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公开(公告)号：US20220081239A1
公开(公告)日：2022-03-17
申请号：US17141802
申请日：2021-01-05
发明人： Masahito NIWA , Yuichi ARAKI , Shoichi MAEDA
摘要： A medium feeding device includes a storage unit that stores media in a form of a sheet, a delivery unit that is disposed downstream in a medium delivery direction relative to the media stored in the storage unit and that delivers the media individually, a transfer unit that is disposed above the storage unit and that sticks by suction to each of the media stored in the storage unit and transfers the media to the delivery unit individually, and a fluffing unit that is disposed beside the media stored in the storage unit in a direction intersecting the medium delivery direction. The fluffing unit fluffs an upper-side region of the media in a state of being separated by blowing air toward a side of the media. The medium feeding device further includes plural position detection units that are arranged in a region that is on the delivery unit side relative to a position of a downstream end portion, in the medium delivery direction, of each of the media stored in the storage unit and that does not reach a contact portion where the delivery unit comes into contact with the media. The position detection units are arranged at an interval in a width direction of the media intersecting the medium delivery direction. The position detection units detect a position of the downstream end portion, in the medium delivery direction, of each of the media.
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公开(公告)号：US20240101376A1
公开(公告)日：2024-03-28
申请号：US18157088
申请日：2023-01-20
CPC分类号： B65H7/14 , B65H3/128 , B65H3/14 , B65H2515/60 , B65H2553/42
摘要： A medium supply device includes: a loading unit on which media are loadable in an up-down direction; a supply unit that supplies air to a plural media loaded on the loading unit to float and separate the plural media; a transporting unit that sequentially feed the media that are floated and separated by the supply unit; a photographing unit that photographs a state in which the media are floated and separated by the supply unit; and a light irradiation unit that irradiates end portions of the media on a photographing side of the photographing unit with light from a plural different positions in the up-down direction.
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公开(公告)号：US20240101371A1
公开(公告)日：2024-03-28
申请号：US18188466
申请日：2023-03-23
发明人： Yohei ONOUE , Yuichi ARAKI
CPC分类号： B65H3/14 , B65H5/228 , B65H7/02 , B65H2403/54 , B65H2551/11 , B65H2801/03
摘要： A medium supply device includes: a stacking unit in which media are stackable in a vertical direction; a first regulating unit that is provided on the stacking unit and that regulates positions of side portions of the media in a width direction; a supply unit that supplies air to more than one of the media stacked on the stacking unit so that the more than one of the media are raised and separated from each other; a transport unit that successively feeds the media that are raised and separated from each other by the supply unit; a detection unit that detects conditions of the media that are raised and separated from each other by the supply unit from outside in the width direction; a second regulating unit that is attached to an upper section of the stacking unit when the media stacked in the stacking unit are second media and that regulates positions of side portions of the second media in the width direction, the second media having a smaller dimension than first media in the width direction; and a moving unit that moves the detection unit to an area in which the second media are detectable when the second regulating unit is attached.
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公开(公告)号：US20220081236A1
公开(公告)日：2022-03-17
申请号：US17154420
申请日：2021-01-21
发明人： Shoichi MAEDA , Masahito NIWA , Yuichi ARAKI
摘要： A paper feeding apparatus includes: a paper feeder configured to feed out the uppermost paper included in a paper bundle; a blower configured to blow gas to a lateral side of the paper bundle; and a processor configured to reduce an amount of the gas blown to the lateral side when a predetermined specific condition is satisfied.
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公开(公告)号：US20240101374A1
公开(公告)日：2024-03-28
申请号：US18188448
申请日：2023-03-22
发明人： Yuichi ARAKI , Yoshiyuki KITAZAWA
CPC分类号： B65H7/12 , B65H3/40 , B65H3/48 , B65H7/16 , B65H2511/524 , B65H2511/528 , B65H2801/03
摘要： A medium feeding device includes: multiple transporters each including a stacking unit on which a medium is stackable in a vertical direction, a feeder that feeds air to multiple media, each of which is the medium, stacked on the stacking unit to cause the multiple media to float and separate, a delivery unit that successively delivers the media floated and separated by the feeder, and a detector that detects a state of the medium floated and separated by the feeder; and at least one processor configured to: upon detection of a state of possibility of jam or multi feeding of the medium by the detector of one of the multiple transporters during transport, switch to another transporter at a predetermined timing to feed the medium; and upon detection of the state of possibility of jam or multi feeding of the medium by the detector, change an amount of air feed by the feeder of the one transporter before being switched.
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公开(公告)号：US20220081235A1
公开(公告)日：2022-03-17
申请号：US17225140
申请日：2021-04-08
发明人： Shoichi MAEDA , Masahito NIWA , Yuichi ARAKI
摘要： A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that vertically raises or lowers the mount portion, a discharger that transports the sheet-shaped media stacked on the mount portion to a transport portion by sucking the sheet-shaped media with a suction portion in order from an upper one of the sheet-shaped media, left and right side walls that come into contact with left and right edges, in a feed width, of the sheet-shaped media stacked on the mount portion, left and right air outlets that are disposed in the left and right side walls, and blow air to the sheet-shaped media stacked on the mount portion at the left and right edges in the feed width, left and right first limiters that are respectively disposed on the left and right side walls, and limit a height of at least one of the sheet-shaped media that floats with air blown by the left and right air outlets by coming into contact with an upper surface of the at least one sheet-shaped medium, and left and right second limiters that are disposed in areas between a suction area of the suction portion and the left and right side walls, and limit a height of the upper surface of the floating sheet-shaped medium by coming into contact with the upper surface.
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公开(公告)号：US20220081233A1
公开(公告)日：2022-03-17
申请号：US17225139
申请日：2021-04-08
发明人： Yuichi ARAKI , Masahito NIWA
摘要： A medium feeding device includes a storage unit that stores media in a form of a sheet, a delivery unit that is disposed downstream in a medium delivery direction relative to the media stored in the storage unit and that delivers the media individually, a transfer unit that is disposed above the storage unit and that adheres by suction to each of the media stored in the storage unit and transfers the media to the delivery unit, and a fluffing unit that is disposed beside the media stored in the storage unit in a direction intersecting the medium delivery direction. The fluffing unit fluffs an upper-side region of the media in a state of being separated, by blowing air toward a side of the media during a feeding job of the media and during a post-feeding period that is a predetermined period after completion of the feeding job. The medium feeding device further includes a suppression unit that suppresses movement of the media toward the delivery unit side during air blowing performed by the fluffing unit in the post-feeding period.
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公开(公告)号：US20220081232A1
公开(公告)日：2022-03-17
申请号：US17224136
申请日：2021-04-07
发明人： Shoichi MAEDA , Masahito NIWA , Teruki NAGANUMA , Yuichi ARAKI , Yoshiki KIMURA , Yohei ONOUE
摘要： A sheet-shaped-medium feeder includes a housing, a mount portion that is disposed to be vertically movable in the housing and that receives sheet-shaped media, a lift that includes line members to vertically raise or lower the mount portion by hanging the mount portion with the line members, and a discharger that transports the sheet-shaped media stacked on the mount portion. The mount portion is changeable to a long mount portion capable of receiving long sheet-shaped media by extending, further upstream in a transportation direction of the sheet-shaped media, an upstream end portion of the mount portion in the transportation direction of the sheet-shaped media. The lift has the line members attached at a portion of the long mount portion corresponding to an unchanged portion of the mount portion, and at a portion of the long mount portion corresponding to an extended portion of the mount portion.
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