Antonelli, Terry, Stout & Kraus, LLP
Developing device with toner storing and recovery chambers
 A developing device for an electrophotographic apparatus. The developing device includes a toner storing chamber for storing toner of a developer, a toner carrying member for forming a toner layer of the toner, and a regulating member for regulating an amount of toner attached to the toner carrying member, the insulating member being disposed to below the toner carrying member. A toner supply chamber is provided for supplying toner to the toner carrying member and a toner recovery chamber is provided for recovering a surplus of toner regulated by the regulating member. A separating member is provided for separating the toner supply chamber and the toner recovery chamber. 
Hitachi, Ltd.
G G
G03G G03G
inventional inventional
Tadashi Kazushige Masahiko Shoji Toru
Okano Oonishi Saito Takeya Miyasaka