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1.发明授权公开(公告)号：US11377319B2
公开(公告)日：2022-07-05
申请号：US16937156
申请日：2020-07-23
Applicant: KYOCERA Document Solutions Inc.
Inventor： Takashi Kotani , Kazuhisa Iwamoto
Abstract: A sheet loading device includes a discharge roller pair, a loading tray, a paddle member, a sheet holding member, a tray lifting-lowering drive portion, a top surface detection sensor, and a control portion. The control portion is capable of performing a lifting-lowering operation to arrange the loading tray at a reference position by lowering the loading tray with the sheet holding member arranged at the holding position to turn the top surface detection sensor into an off state, then lifting the loading tray to turn the top surface detection sensor into an on state, and then lowering the loading tray again to turn the top surface detection sensor into the off state and stopping the loading tray. With the loading tray at the reference position, a predetermined clearance is provided between a top surface of a sheet loaded on the loading tray and a rotational orbit of the paddle member.
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公开(公告)号：US20190284005A1
公开(公告)日：2019-09-19
申请号：US16432022
申请日：2019-06-05
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kazuhisa Iwamoto
Abstract: The present application discloses a post-processing apparatus which performs a predetermined process after an image formation process performed by an image formation apparatus. The post-processing apparatus includes an ejection tray, which supports a sheet stack, in which sheets are stacked, and a curl prevention portion including a first tray cursor, which abuts an upper surface of the sheet stack on the ejection tray to prevent the sheet stack from curling. The curl prevention portion includes an angle changer, which changes an inclination angle of the first tray cursor with respect to the ejection tray. The angle changer sets the inclination angle to a first value when a number of sheets is a first number. The angle changer sets the inclination angle to a second value different from the first value when the number of the sheets is a second number different from the first number.
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公开(公告)号：US10981745B2
公开(公告)日：2021-04-20
申请号：US16945422
申请日：2020-07-31
Applicant: KYOCERA Document Solutions Inc.
Inventor： Takashi Kotani , Kazuhisa Iwamoto
Abstract: A sheet post-processing device includes a processing tray, a post-processing mechanism, a discharge roller pair, a bundle discharge member, a loading tray, a sheet holding member, a discharge drive portion, a tray lifting-lowering drive portion, a sheet holding drive portion, and a control portion. In a case where a number A of sheets included in a sheet bundle loaded on the processing tray is smaller than a predetermined number A1, the control portion discharges the sheet bundle onto the loading tray by using the discharge roller pair, with the loading tray arranged at a reference position. In a case where the number A of the sheets included in the sheet bundle is equal to or larger than the predetermined number A1, the control portion discharges the sheet bundle onto the loading tray by using the bundle discharge member, with the loading tray having been lifted above the reference position.
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Patent Agency Ranking
公开(公告)号：US10934121B2
公开(公告)日：2021-03-02
申请号：US16432022
申请日：2019-06-05
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kazuhisa Iwamoto
Abstract: The present application discloses a post-processing apparatus which performs a predetermined process after an image formation process performed by an image formation apparatus. The post-processing apparatus includes an ejection tray, which supports a sheet stack, in which sheets are stacked, and a curl prevention portion including a first tray cursor, which abuts an upper surface of the sheet stack on the ejection tray to prevent the sheet stack from curling. The curl prevention portion includes an angle changer, which changes an inclination angle of the first tray cursor with respect to the ejection tray. The angle changer sets the inclination angle to a first value when a number of sheets is a first number. The angle changer sets the inclination angle to a second value different from the first value when the number of the sheets is a second number different from the first number.
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公开(公告)号：US11485601B2
公开(公告)日：2022-11-01
申请号：US17544042
申请日：2021-12-07
Applicant: KYOCERA Document Solutions Inc.
Inventor： Keisuke Egawa , Kazuhisa Iwamoto
Abstract: A sheet post-processing device includes a folding portion, a discharge portion, a stacking tray, a shift unit, a pair of alignment members, and a controller. The pair of alignment members include first and second alignment members at one and the other side of sheets stacked on the stacking tray. When a sheet bundle sorted and stacked on the stacking tray includes a folded sheet, executes a second alignment mode in which it performs, for sheets shifted to a first position at one side on the stacking tray, alignment with only the first alignment member and, for sheets shifted to a second position at the other side, alignment with only the second alignment member, or does not perform alignment process.
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公开(公告)号：US11208290B2
公开(公告)日：2021-12-28
申请号：US17105596
申请日：2020-11-26
Applicant: KYOCERA Document Solutions Inc.
Inventor： Ryo Amai , Kazuhisa Iwamoto
Abstract: Provided are a post-processing apparatus, an image forming apparatus, and a post-processing method capable of avoiding the occurrence of a malfunction due to a failure to discharge a sheet bundle after a binding process. A plurality of sheets is loaded on a stack tray. A staple unit binds the plurality of sheets. A discharge roller discharges the sheet bundle bound by the staple unit from the stack tray. Each time a sheet is conveyed to the stack tray, an aligning unit moves between a first position in contact with the sheet loaded on the stack tray and a second position separating from the sheet. A detection processing unit detects a failure of discharging the sheet bundle by the discharging roller. A stop processing unit can stop the operation of the aligning unit when the discharge failure is detected by the detection processing unit.
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公开(公告)号：US10351381B2
公开(公告)日：2019-07-16
申请号：US15959374
申请日：2018-04-23
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kazuhisa Iwamoto
Abstract: The present application discloses a post-processing apparatus which performs a predetermined process after an image formation process performed by an image formation apparatus. The post-processing apparatus includes an ejection tray, which supports a sheet stack, in which sheets are stacked, and a curl prevention portion including a first tray cursor, which abuts an upper surface of the sheet stack on the ejection tray to prevent the sheet stack from curling. The curl prevention portion includes an angle changer, which changes an inclination angle of the first tray cursor with respect to the ejection tray. The angle changer sets the inclination angle to a first value when a number of sheets is a first number. The angle changer sets the inclination angle to a second value different from the first value when the number of the sheets is a second number different from the first number.
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公开(公告)号：US20180312361A1
公开(公告)日：2018-11-01
申请号：US15959374
申请日：2018-04-23
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kazuhisa Iwamoto
CPC classification number: B65H31/3063 , B41J13/106 , B65H31/20 , B65H31/34 , B65H33/08 , B65H2301/4225 , G03G15/6576
Abstract: The present application discloses a post-processing apparatus which performs a predetermined process after an image formation process performed by an image formation apparatus. The post-processing apparatus includes an ejection tray, which supports a sheet stack, in which sheets are stacked, and a curl prevention portion including a first tray cursor, which abuts an upper surface of the sheet stack on the ejection tray to prevent the sheet stack from curling. The curl prevention portion includes an angle changer, which changes an inclination angle of the first tray cursor with respect to the ejection tray. The angle changer sets the inclination angle to a first value when a number of sheets is a first number. The angle changer sets the inclination angle to a second value different from the first value when the number of the sheets is a second number different from the first number.
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