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    • 12. 发明授权
    • Color image forming apparatus
    • 彩色图像形成装置
    • US4743938A
    • 1988-05-10
    • US785618
    • 1985-10-09
    • Akio Ohno
    • Akio Ohno
    • G03G15/01G03G15/08G03G15/06
    • G03G15/0126G03G15/0896
    • A color image forming apparatus provided with a developing device for developing latent images formed on a latent image bearing member. The developing device includes a rotary assembly for carrying a plurality of developing units so that the developing units revolve by the rotation of the rotary assembly, so as to dispose a desired or necessary one of the developing units at a developing station where the latent image on the latent image bearing member is developed. Each of the developing units is provided with an element or elements to be driven, such as a developing roller or the like. A single driving mechanism is provided in the image forming apparatus, which driving mechanism can drive any of the developing units when it is placed at the developing position. For this purpose, the driving mechanism is engageable with that one of the developing units revolvable on the rotary assembly which is located at the developing station to develop the latent image on the latent image bearing member, so that the driving force is transmitted to the element of the unit requiring the driving force.
    • 一种彩色图像形成装置,其具有用于显影形成在潜像承载部件上的潜像的显影装置。 显影装置包括用于承载多个显影单元的旋转组件,使得显影单元通过旋转组件的旋转而旋转,以便将所需的或必需的显影单元设置在显影站处,其中潜像在 显影潜像承载部件。 每个显影单元设置有要驱动的元件,例如显影辊等。 在图像形成装置中设置有单个驱动机构,该驱动机构可以在显影单元被放置在显影位置时驱动任何显影单元。 为此目的,驱动机构可与位于显影站处的旋转组件上可旋转的显影单元接合,以使潜像承载部件上的潜像显影,从而驱动力传递到元件 的单位需要驱动力。