Antonelli, Terry, Stout & Kraus, LLP
Color electrophotographic apparatus with obliquely arranged photosensitive belt
 A color electrophotographic apparatus includes a photosensitive belt arranged obliquely, and a plurality of developing machines arranged on one side of the photosensitive belt in a stacked manner so as to be displaced from one another in a horizontal direction. The photosensitive belt is movable from below to above in a direction opposite to a direction of gravity when in a developing position. The developing machines include a non-magnetic, one component contact developing system having a developing roll for adhering toner on the photosensitive belt and a blade disposed below the developing roll for controlling an amount of toner adhering to the developing roll. 
Hitachi, Ltd.
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inventional additional inventional
Hiroyuki Toru Masahiko Toshiya Kazuhiro
Tadokoro Miyasaka Saito Satoh Wakamatsu