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    • 2. 发明申请
    • RECORDING-MATERIAL-FEEDING DEVICE AND IMAGE FORMING APPARATUS
    • 记录材料输送装置和图像形成装置
    • US20120326380A1
    • 2012-12-27
    • US13303711
    • 2011-11-23
    • Hiroaki FUJIKURAYuji OTSUKA
    • Hiroaki FUJIKURAYuji OTSUKA
    • B65H3/08
    • B65H1/14B65H1/266B65H3/128B65H3/48B65H2402/10B65H2405/15B65H2405/332B65H2406/36B65H2801/06
    • A recording-material-feeding device includes a stacking portion that holds a stack of recording materials, a lifting member that moves the stacking portion up and down between a feeding position at which a recording material is fed and a refilling position at which refill recording materials are supplied, a suction member that draws one or more recording materials by suction with a negative pressure, a negative-pressure-generating member that generates the negative pressure, and a stopping member that stops an edge of the stack of recording materials on the stacking portion and includes a sealing member that maintains the level of the negative pressure. The sealing member moves up and down between a retracted position at which refill recording materials are supplied and a sealing position at which the level of the negative pressure is maintained, the sealing member moving with the up-and-down movement of the stacking portion.
    • 记录材料供给装置包括:保持记录材料堆叠的堆叠部分;提升部件,其在进给记录材料的供给位置和再填充记录材料的再填充位置之间上下移动堆叠部; 被供给的抽吸构件,通过负压抽吸一个或多个记录材料的抽吸构件,产生负压的负压产生构件,以及阻止堆叠的记录材料的堆叠在堆叠上的阻挡构件 并且包括保持负压水平的密封构件。 密封构件在提供补充记录材料的缩回位置和维持负压水平的密封位置之间上下移动,密封构件随堆叠部分的上下移动而移动。