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    • 3. 发明授权
    • Image forming apparatus, process cartridge, and development device
    • 图像形成装置,处理盒和显影装置
    • US07912408B2
    • 2011-03-22
    • US12048705
    • 2008-03-14
    • Nobuo IwataJunichi MatsumotoTomoyuki IchikawaNatsumi Katoh
    • Nobuo IwataJunichi MatsumotoTomoyuki IchikawaNatsumi Katoh
    • G03G15/10G03G15/08
    • G03G15/0893G03G15/0855G03G15/0865G03G2215/0822G03G2215/0838
    • An image forming apparatus includes a development device for supplying a developer containing toner and carrier to an electrostatic latent image carrying member for carrying thereon an electrostatic latent image, or a process cartridge for integrally storing the development device and the electrostatic latent image carrying member. The development device includes a conveyance path for charging and conveying the developer, and a developer carrying member for developing the electrostatic latent image into a toner image with the use of the developer conveyed through the conveyance path. The conveyance path includes a first conveyance member for receiving replenished toner and generating conveyance force for conveying the replenished toner and the developer in one direction, and a second conveyance member for generating conveyance force for conveying a portion of the developer conveyed by the first conveyance member in the opposite direction to the conveyance direction of the first conveyance member.
    • 图像形成装置包括用于将含有调色剂和载体的显影剂供给到用于承载静电潜像的静电潜像承载构件的显影装置或用于整体地存储显影装置和静电潜像承载构件的处理盒。 显影装置包括用于充电和输送显影剂的输送路径和用于通过使用通过输送路径输送的显影剂将静电潜像显影成调色剂图像的显影剂承载构件。 输送路径包括用于接收补充调色剂并产生用于沿一个方向输送补充调色剂和显影剂的输送力的第一输送构件,以及用于产生输送力的第二输送构件,用于输送由第一输送构件输送的显影剂的一部分 在与第一输送构件的输送方向相反的方向上。