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    • 4. 发明授权
    • Developing device, assembly body, and image forming apparatus
    • 显影装置,组装体和成像装置
    • US08331832B2
    • 2012-12-11
    • US12875598
    • 2010-09-03
    • Miho IkedaMakoto HirotaJun AbeShota ObaTakashi Ochi
    • Miho IkedaMakoto HirotaJun AbeShota ObaTakashi Ochi
    • G03G15/09
    • G03G15/09G03G15/0812G03G2215/0648
    • A developing device includes: a first-developer-holding-member facing a surface of a rotating latent image carrier, it rotating such that a moving direction thereof is opposite to that of the carrier at a portion where they face; a second-developer-holding-member provided at a downstream-side of the first-developer-holding-member in a direction in which the carrier rotates, and facing the surface of the carrier, it rotating such that a moving direction thereof is the same as that of the carrier at a portion where they face; a ratio of circumferential speeds of the first-developer-holding-member and the second-developer-holding-member being variable; a splitting member that splits a developer for the first-developer-holding-member and the second-developer-holding-member by hitting against the developer located between the first-developer-holding-member and the second-developer-holding-member; a moving unit that moves the splitting member; and a control unit that controls the moving unit to move the splitting member to vary split ratio of the developer.
    • 显影装置包括:面向旋转潜像载体的表面的第一显影剂保持构件,其旋转使得其移动方向与其在它们所面对的部分处的方向相反; 第二显影剂保持构件,其沿着所述载体旋转的方向设置在所述第一显影剂保持构件的下游侧,并且与所述载体的表面相对地旋转,使得其的移动方向为 与承运人面对的部分相同; 第一显影剂保持部件和第二显影剂保持部件的圆周速度的比率是可变的; 分割构件,其通过撞击位于第一显影剂保持构件和第二显影剂保持构件之间的显影剂而分离用于第一显影剂保持构件和第二显影剂保持构件的显影剂; 使分离构件移动的移动单元; 以及控制单元,其控制所述移动单元移动所述分割构件以改变所述显影剂的分流比。
    • 7. 发明申请
    • DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    • 开发设备和图像形成装置
    • US20110229214A1
    • 2011-09-22
    • US12853845
    • 2010-08-10
    • Shota OBAShigeru INABATakashi OCHI
    • Shota OBAShigeru INABATakashi OCHI
    • G03G15/09
    • G03G15/0935G03G2215/0648
    • A developing device includes: a first developer holding body with a first cylinder member disposed facing the outer peripheral surface of a rotating latent image holding body, and a first magnet disposed at the inside of the first cylinder member; a second developer holding body with a second cylinder member disposed facing the outer peripheral surface of the latent image holding body, further downstream in the latent image holding body rotation direction than the first developer holding body, and a second magnet disposed at the inside of the second cylinder member; and an adjustment mechanism that adjusts the relative position of the first magnet to the second magnet in a circumferential direction.
    • 显影装置包括:第一显影剂保持体,其具有面对旋转的潜像保持体的外周面设置的第一圆筒部件和设置在第一圆筒部件的内侧的第一磁体; 第二显影剂保持体,具有与潜像保持体的外周面相对配置的第二圆筒部件,在潜像保持体旋转方向上比第一显影剂保持体的下游更靠下游, 第二圆筒构件; 以及调整机构,其在周向上调整第一磁体与第二磁体的相对位置。
    • 8. 发明申请
    • DEVELOPING DEVICE, ASSEMBLY BODY, AND IMAGE FORMING APPARATUS
    • 开发设备,装配体和图像形成装置
    • US20110222918A1
    • 2011-09-15
    • US12875598
    • 2010-09-03
    • Miho IKEDAMakoto HIROTAJun ABEShota OBATakashi OCHI
    • Miho IKEDAMakoto HIROTAJun ABEShota OBATakashi OCHI
    • G03G15/09
    • G03G15/09G03G15/0812G03G2215/0648
    • A developing device includes: a first-developer-holding-member facing a surface of a rotating latent image carrier, it rotating such that a moving direction thereof is opposite to that of the carrier at a portion where they face; a second-developer-holding-member provided at a downstream-side of the first-developer-holding-member in a direction in which the carrier rotates, and facing the surface of the carrier, it rotating such that a moving direction thereof is the same as that of the carrier at a portion where they face; a ratio of circumferential speeds of the first-developer-holding-member and the second-developer-holding-member being variable; a splitting member that splits a developer for the first-developer-holding-member and the second-developer-holding-member by hitting against the developer located between the first-developer-holding-member and the second-developer-holding-member; a moving unit that moves the splitting member; and a control unit that controls the moving unit to move the splitting member to vary split ratio of the developer.
    • 显影装置包括:面向旋转潜像载体的表面的第一显影剂保持构件,其旋转使得其移动方向与其在它们所面对的部分处的方向相反; 第二显影剂保持构件,其沿着所述载体旋转的方向设置在所述第一显影剂保持构件的下游侧,并且与所述载体的表面相对地旋转,使得其的移动方向为 与承运人面对的部分相同; 第一显影剂保持部件和第二显影剂保持部件的圆周速度的比率是可变的; 分割构件,其通过撞击位于第一显影剂保持构件和第二显影剂保持构件之间的显影剂而分离用于第一显影剂保持构件和第二显影剂保持构件的显影剂; 使分离构件移动的移动单元; 以及控制单元,其控制所述移动单元移动所述分割构件以改变所述显影剂的分流比。