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    Developing device having a reduced width in the horizontal direction
    2.
    发明授权
    Developing device having a reduced width in the horizontal direction 有权
    显影装置在水平方向上具有减小的宽度

    公开(公告)号：US6035168A

    公开(公告)日：2000-03-07

    申请号：US223370

    申请日：1998-12-30

    申请人： Jitsuo Masuda ,  Hiroshi Kawamoto ,  Makoto Uehara ,  Yasutaka Maeda ,  Takeshi Wakabayashi ,  Takahiko Kimura ,  Tao Ou ,  Naotaka Funayama ,  Toshio Nishino ,  Yasuyuki Ishiguro ,  Syouichi Fujita ,  Hirofumi Sakita

    发明人： Jitsuo Masuda ,  Hiroshi Kawamoto ,  Makoto Uehara ,  Yasutaka Maeda ,  Takeshi Wakabayashi ,  Takahiko Kimura ,  Tao Ou ,  Naotaka Funayama ,  Toshio Nishino ,  Yasuyuki Ishiguro ,  Syouichi Fujita ,  Hirofumi Sakita

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0896 ,  G03G15/0822

    摘要： A developing device having a reduced size in the horizontal direction and in which a developing agent is transported with stirring along a circulating route inside a developing tank to effectively mix newly added toner therewith and stir the mixture. A developing tank for storing developing agent therein is horizontally divided with a partition member thereby providing an upper chamber and a lower chamber. A developer roller and a stirring roller are disposed in the lower chamber. Two screw rollers are disposed in the upper chamber. An inlet opening is formed between an end of the partition member and a regulating member for restricting a layer if the developing agent adsorbed to the developing roller. A developing agent removed by the restricting member is fed through an inlet opening to the screw rollers in the upper chamber. The developing agent is mixed with fresh toner supplied through a supply inlet and transported with being stirred by the screw roller in its axial direction. Then, the developing agent is transferred to the screw roller disposed parallel to the screw roller and it is further transported and returned to the stirring roller in the lower chamber through a return port provided opposite to the screw roller. The compact construction of the developing device is realized by arranging screw rollers for stirring and transporting toner in the upper chamber.

    摘要翻译： 一种显影装置，其在水平方向上具有减小的尺寸，并且其中显影剂沿显影槽内的循环路线搅拌输送，以有效地将新添加的调色剂混合并搅拌混合物。 用于在其中存储显影剂的显影槽被水平分隔成分隔件，从而提供上室和下室。 显影辊和搅拌辊设置在下室中。 两个螺杆辊设置在上部腔室中。 如果显影剂吸附到显影辊上，则在分隔部件的端部和限制部件之间形成入口。 通过限制构件去除的显影剂通过入口开口被供给到上室中的螺杆辊。 将显影剂与通过供应入口供应的新鲜调色剂混合，并在螺杆辊沿其轴向方向搅拌下运输。 然后，将显影剂转移到与螺旋辊平行设置的螺旋辊上，并且通过与螺旋辊相对设置的返回端口进一步输送并返回到下室中的搅拌辊。 显影装置的紧凑结构通过布置用于搅拌和输送上室中的调色剂的螺旋辊来实现。