Developing apparatus

Details Developing apparatus Developing apparatus

2006-05-16

2006-05-16

Grimley, Arthur T. (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07046945

ABSTRACT:
A developing apparatus includes a developing container including a first chamber having a developer carrying member for carrying developer and a second chamber disposed in an inclined manner to which toner is supplied. First and second communicating portions supply developer between longitudinal end sides of the first and second chambers. A ceiling portion of one end side of the second chamber is disposed lower than a ceiling portion of one end side of the first chamber. A developer supplying screw supplies the toner to the second chamber through a supply port provided in a bottom of a developer supplying path. The supply port is disposed in a position lower than the ceiling portion and is located at an upper portion on a downstream side of the first communicating portion in a developer conveying direction on one end side of the chamber.

REFERENCES:
patent: 4496644 (1985-01-01), Ateya et al.
patent: 5682583 (1997-10-01), Ito et al.
patent: 5842090 (1998-11-01), Mikawa
patent: 6415125 (2002-07-01), Yamamoto et al.
patent: 6597882 (2003-07-01), Tanaka
patent: 55-32060 (1980-03-01), None
patent: 59-165082 (1984-09-01), None

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