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    • 3. 发明授权
    • Developing apparatus
    • 开发设备
    • US07257353B2
    • 2007-08-14
    • US11094372
    • 2005-03-31
    • Tachio KawaiSeiji YamaguchiSyuhei Kawasaki
    • Tachio KawaiSeiji YamaguchiSyuhei Kawasaki
    • G03G15/08
    • G03G15/0822G03G2215/085
    • A developing apparatus develops a latent image formed on an electrophotographic photosensitive member with a developer in an electrophotographic image forming apparatus The device includes a developer accommodating portion and a developer stirring member stirring the developer in the developer accommodating portion. The developer stirring member includes a rotatable member rotatably provided in the developer accommodating portion, first and second stirring rotatable portions provided on the rotatable member, and first and second movable stirring portions movably provided on the first and second stirring rotatable portions, respectively. The radius of rotation of the first and second stirring rotatable portions are different from each other, and a part of a stirring region in which the first stirring rotatable portion and the first movable stirring portion stir the developer and a part of a stirring region in which the second stirring rotatable portion and the second movable stirring portion stirs the developer, overlap.
    • 显影装置利用电子照相图像形成装置中的显影剂显影形成在电子照相感光构件上的潜像。 该装置包括显影剂容纳部分和搅拌显影剂容纳部分中的显影剂的显影剂搅拌构件。 显影剂搅拌构件包括可旋转地设置在显影剂容纳部分中的可旋转构件,设置在可旋转构件上的第一和第二搅拌可旋转部分,以及可移动地设置在第一和第二搅拌可旋转部分上的第一和第二可移动搅拌部分。 第一和第二搅拌可旋转部分的旋转半径彼此不同,并且搅拌区域的一部分,其中第一搅拌可旋转部分和第一可移动搅拌部分搅拌显影剂和搅拌区域的一部分,其中 搅拌显影剂的第二搅拌可旋转部分和第二可动搅拌部分重叠。
    • 4. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07583916B2
    • 2009-09-01
    • US10988703
    • 2004-11-16
    • Hiroaki OgataSyuhei KawasakiSeiji YamaguchiShinji Uehara
    • Hiroaki OgataSyuhei KawasakiSeiji YamaguchiShinji Uehara
    • G03G15/08
    • G03G15/0856G03G15/086G03G15/0889G03G2215/0685G03G2215/085
    • An image forming apparatus includes an image bearing member; a developing device including a carrying member for carrying a one component developer and for developing an electrostatic image formed on the image bearing member with the developer; a rotatable developer supplying device, contacted to the carrying member, for supplying the developer to the carrying member; a developer regulating device for regulating an amount of the developer carried on the carrying member; a developer stirring device for stirring the developer a developer supply device for supplying the developer to the developing device; and a controller for controlling supply of the developer to the developing device from the developer supply device. A lower end of the developer stirring device is disposed at a position which is vertically above an upper end of the developer supplying device and which is vertically above a contact portion between the carrying member and the developer regulating device. A direction of rotation of the developer supplying device is such that the developer supplying device is contacted to the carrying member during a downward part of the rotation of the developer supplying device. The controller controls the developer supply device such that a lower limit of a height of a surface of the developer is vertically above a lower end of the developer stirring device and an upper limit of the height of the surface of the developer is vertically below a wall of an upper surface of the developing device.
    • 图像形成装置包括:图像承载部件; 显影装置,其包括用于承载单组分显影剂的承载构件,并用显影剂使形成在图像承载构件上的静电图像显影; 可转动的显影剂供应装置,与所述承载构件接触,用于将所述显影剂供应到所述承载构件; 显影剂调节装置,用于调节承载构件上承载的显影剂的量; 显影剂搅拌装置,用于搅拌显影剂用于向显影装置供应显影剂的显影剂供应装置; 以及用于控制从显影剂供应装置向显影装置供应显影剂的控制器。 显影剂搅拌装置的下端设置在垂直于显影剂供给装置的上端上方并位于承载构件和显影剂调节装置之间的接触部分上方的位置。 显影剂供给装置的旋转方向是这样的:显影剂供给装置在显影剂供应装置的旋转的向下部分期间与承载构件接触。 控制器控制显影剂供应装置,使得显影剂表面的高度的下限垂直于显影剂搅拌装置的下端,并且显影剂表面的高度的上限垂直地低于壁 的显影装置的上表面。
    • 5. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20050117920A1
    • 2005-06-02
    • US10988703
    • 2004-11-16
    • Hiroaki OgataSyuhei KawasakiSeiji YamaguchiShinji Uehara
    • Hiroaki OgataSyuhei KawasakiSeiji YamaguchiShinji Uehara
    • G03G9/08G03G9/087G03G15/06G03G15/08
    • G03G15/0856G03G15/086G03G15/0889G03G2215/0685G03G2215/085
    • An image forming apparatus includes an image bearing member; a developing device including a carrying member for carrying a developer and for developing an electrostatic image formed on the image bearing member with a developer, a developer supplying means, contacted to the carrying member, for supplying the developer to the carrying member, and developer regulating means for regulating an amount of the developer carried on the carrying member; supply means for supplying the developer to the developing device; control means for controling supply of the developer to the developing device from the supply means, wherein the developing device further includes developer stirring means for stirring the developer supplied from the supply means and for supplying the developer to the supplying means, wherein the stirring means has a lower end disposed at a position which is vertically above an upper end of the supplying means and which is vertically above a contact portion between the carrying member and the developer regulating means, and the control means controls the supply means such that level of surface of the developer adjacent the developer stirring means is maintained vertically above a lower end of the developer stirring means and vertically below a wall of an upper surface of the developing device.
    • 图像形成装置包括:图像承载部件; 显影装置,其包括用于承载显影剂的载体构件和用显影剂显影在图像承载构件上形成的静电图像;显影剂供给装置,与承载构件接触,用于将显影剂供应到承载构件;以及显影剂调节 用于调节承载在承载构件上的显影剂的量的装置; 用于将显影剂供应到显影装置的供应装置; 用于控制从供应装置向显影装置供应显影剂的控制装置,其中显影装置还包括用于搅拌从供给装置供应的显影剂并将显影剂供应到供应装置的显影剂搅拌装置,其中搅拌装置具有 下端设置在垂直于供应装置的上端上方并且位于承载构件和显影剂调节装置之间的接触部分的垂直上方的位置上,并且控制装置控制供应装置,使得供应装置的表面水平 与显影剂搅拌装置相邻的显影剂垂直地保持在显影剂搅拌装置的下端上方并垂直于显影装置的上表面的壁下方。
    • 9. 发明申请
    • DEVELOPING APPARATUS
    • 开发设备
    • US20080138118A1
    • 2008-06-12
    • US11953150
    • 2007-12-10
    • Issei ImamuraSeiji Yamaguchi
    • Issei ImamuraSeiji Yamaguchi
    • G03G15/08
    • G03G15/0822G03G2215/0827G03G2215/0838G03G2215/0852
    • A developing apparatus includes: an agitating chamber agitating a developer; a developing chamber provided with an inlet to which the developer is supplied from the agitating chamber and an outlet from which the developer is returned to the agitating chamber; a developer carrying member; a rotatable developer supplying member supplying the developer to the developer carrying member; a developer conveying member, provided above the center of rotation of the developer supplying member in the developing chamber, for conveying the developer in a longitudinal direction of the developer carrying member, wherein, in a vertical cross-sectional area of a region vertically above the center of rotation of the developer supplying member of the developing chamber, excluding a developer conveying region by the developer conveying member, a cross-sectional area S1 upstream in the developer conveying direction and a cross-sectional area S2 downstream in the developer conveying direction satisfy a relationship of S1
    • 显影装置包括:搅拌室,搅拌显影剂; 显影室,其具有从搅拌室供给显影剂的入口和显影剂从该出口返回到搅拌室; 显影剂承载构件; 将显影剂供应到显影剂承载构件的可旋转显影剂供应构件; 显影剂输送构件,其设置在显影剂室中的显影剂供给构件的旋转中心的上方,用于沿着显影剂承载构件的纵向方向输送显影剂,其中,在垂直于显影剂承载构件的垂直方向上的区域的垂直横截面积中 显影剂输送区域除了显影剂输送区域之外,显影剂输送区域的显影剂供给构件的旋转中心,显影剂输送方向上游的横截面积S 1和显影剂输送方向下游的横截面积S 2 方向满足S 1
    • 10. 发明授权
    • Developing apparatus
    • 开发设备
    • US07634215B2
    • 2009-12-15
    • US11953150
    • 2007-12-10
    • Issei ImamuraSeiji Yamaguchi
    • Issei ImamuraSeiji Yamaguchi
    • G03G15/08G03G15/00G03G15/04
    • G03G15/0822G03G2215/0827G03G2215/0838G03G2215/0852
    • A developing apparatus includes: an agitating chamber agitating a developer; a developing chamber provided with an inlet to which the developer is supplied from the agitating chamber and an outlet from which the developer is returned to the agitating chamber; a developer carrying member; a rotatable developer supplying member supplying the developer to the developer carrying member; a developer conveying member, provided above the center of rotation of the developer supplying member in the developing chamber, for conveying the developer in a longitudinal direction of the developer carrying member, wherein, in a vertical cross-sectional area of a region vertically above the center of rotation of the developer supplying member of the developing chamber, excluding a developer conveying region by the developer conveying member, a cross-sectional area S1 upstream in the developer conveying direction and a cross-sectional area S2 downstream in the developer conveying direction satisfy a relationship of S1
    • 显影装置包括:搅拌室,搅拌显影剂; 显影室,其具有从搅拌室供给显影剂的入口和显影剂从该出口返回到搅拌室; 显影剂承载构件; 将显影剂供应到显影剂承载构件的可旋转显影剂供应构件; 显影剂输送构件,其设置在显影剂室中的显影剂供给构件的旋转中心的上方,用于沿着显影剂承载构件的纵向方向输送显影剂,其中,在垂直于显影剂承载构件的垂直方向上的区域的垂直横截面积中 显影剂输送区域除了显影剂输送区域以外,显影剂输送方向的显影剂输送区域除了显影剂输送方向上游的截面积S1和显影剂输送方向下游的截面积S2的显影室供给构件的旋转中心满足 S1