Sheet suction device, sheet conveyor, printer, and suction area switching device

    公开(公告)号:US11407604B2

    公开(公告)日:2022-08-09

    申请号:US17148662

    申请日:2021-01-14

    申请人: Hiroaki Miyagawa

    发明人: Hiroaki Miyagawa

    IPC分类号: B65H5/22

    摘要: A sheet suction device includes a sheet bearer having a plurality of suction holes on a plurality of bearing areas, a rotational portion having a plurality of holes that is connectable to the plurality of suction holes, a suction unit configured to suck air via the plurality of holes of the rotational portion. The sheet bearer bears a plurality of sheets on the plurality of bearing areas of the circumferential surface of the sheet bearer and rotates. The rotational portion rotates in a same cycle of the sheet bearer. The sheet suction device further includes a switching unit that switches combinations of whether or not to suck the air among the plurality of bearing areas of the sheet bearer according to a phase of rotation of the sheet bearer or the rotational portion.

    Image forming apparatus
    37.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US09335676B2

    公开(公告)日:2016-05-10

    申请号:US14276067

    申请日:2014-05-13

    IPC分类号: G03G15/20

    摘要: An image forming apparatus includes a cooling conveyor to cool a recording material having an image fixed by heat while sandwiching and conveying the recording material. The cooling conveyor includes a conveyance belt, a cooling member, and a cooling unit. The conveyance belt sandwiches and conveys the recording material. The cooling member absorbs heat of the recording material via the conveyance belt. The cooling unit maintains the cooling member at low temperature. The cooling conveyor performs control of stopping the cooling unit in a standby state of the image forming apparatus, activating the cooling unit and performing a preliminary cooling operation to decrease temperature of the cooling member after a shift from the standby state to image forming operation, and then bringing the recording material into contact with the conveyance belt.

    摘要翻译: 图像形成装置包括冷却传送器,用于冷却具有通过热固定的图像的记录材料,同时夹持并传送记录材料。 冷却输送机包括输送带,冷却部件和冷却单元。 传送带夹住并传送记录材料。 冷却部件通过传送带吸收记录材料的热量。 冷却单元将冷却构件保持在低温。 冷却输送机执行在图像形成装置的待机状态下停止冷却单元的控制,启动冷却单元并执行预冷却操作以在从待机状态转换到图像形成操作之后降低冷却构件的温度,并且 然后使记录材料与传送带接触。