Sheet feeding apparatus, image reading apparatus, and image forming apparatus

    公开(公告)号:US11560283B2

    公开(公告)日:2023-01-24

    申请号:US17460522

    申请日:2021-08-30

    Inventor: Ryohei Morisaki

    Abstract: A sheet feeder includes an ejection tray, an ejector, an aligner, a pressing member, a friction member, and a switching device. The ejection tray stacks sheets. The ejector ejects a sheet to the ejection tray. The aligner is disposed downstream of the ejector in a direction of ejection of the sheet. The aligner is rotatable in a normal direction and a reverse direction. The pressing member applies pressure between the sheet and the aligner to enable the aligner to convey the sheet by rotation in the normal direction and the reverse direction. The friction member contacts the sheet ejected on the ejection tray to prevent conveyance of the sheet. The switching device switches contact and separation of the friction member with respect to the sheet.

    Sheet feeder and image forming apparatus including the same
    2.
    发明申请
    Sheet feeder and image forming apparatus including the same 有权
    送纸器和包括它的成像设备

    公开(公告)号:US20120080836A1

    公开(公告)日:2012-04-05

    申请号:US13137945

    申请日:2011-09-22

    Inventor: Ryohei Morisaki

    CPC classification number: B65H3/5223

    Abstract: A sheet feeder includes: a friction pad held by a pad holder; and a separation roller that is in contact with the friction pad while in rotation. A separation nip formed between the friction pad and the separation roller separates a recording medium from a plurality of recording media fed into the separation nip, and the pad holder includes a convex portion that is provided downstream of the friction pad in a sheet feeding direction and at a middle portion in a first width direction perpendicular to the sheet feeding direction and that is capable of coming into contact with the recording medium.

    Abstract translation: 片材进给器包括:由垫保持器保持的摩擦垫; 以及在旋转时与摩擦垫接触的分离辊。 形成在摩擦垫和分离辊之间的分离压区将记录介质从馈送到分离辊隙中的多个记录介质分离,并且焊盘保持器包括在片材馈送方向上设置在摩擦垫下游的凸部, 在与片材进给方向垂直的第一宽度方向的中间部分处,并且能够与记录介质接触。

    SHEET FEEDING APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS

    公开(公告)号:US20220081247A1

    公开(公告)日:2022-03-17

    申请号:US17460522

    申请日:2021-08-30

    Inventor: Ryohei MORISAKI

    Abstract: A sheet feeder includes an ejection tray, an ejector, an aligner, a pressing member, a friction member, and a switching device. The ejection tray stacks sheets. The ejector ejects a sheet to the ejection tray. The aligner is disposed downstream of the ejector in a direction of ejection of the sheet. The aligner is rotatable in a normal direction and a reverse direction. The pressing member applies pressure between the sheet and the aligner to enable the aligner to convey the sheet by rotation in the normal direction and the reverse direction. The friction member contacts the sheet ejected on the ejection tray to prevent conveyance of the sheet. The switching device switches contact and separation of the friction member with respect to the sheet.

    SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

    公开(公告)号:US20220297963A1

    公开(公告)日:2022-09-22

    申请号:US17684722

    申请日:2022-03-02

    Abstract: A sheet feeding device feeds a sheet in a feed direction. The sheet feeding device includes a loading portion, a feeler, and a first detection sensor. The sheet is to be placed on the loading portion. The feeler rotates from a reference position to a pushed position around a support shaft in response to a push by a downstream end of the sheet, which is placed on the loading portion, in the feeding direction. The first detection sensor detects a rotation of the feeler from one of the reference position and the pushed position to the other of the reference position and the pushed position. The loading portion includes a second detection sensor to detect a state in which the sheet is placed on the loading portion.

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