Electrophotography – Image formation – Development
Reexamination Certificate
2010-12-09
2011-12-06
Gray, David (Department: 2852)
Electrophotography
Image formation
Development
C399S255000
Reexamination Certificate
active
08073366
ABSTRACT:
A developing unit of an image forming apparatus includes a developer cartridge detachably mounted on the developing unit, a developing case in which a developing member and a first supply member are provided, a developer supply passage to supply a developer stored in the developer cartridge to the developing case, and a developer supplement unit mounted in a portion connecting the developing case and the developer supply passage, to agitate the developer supplied through the developer supply passage and to supply the agitated developer to the developing case.
REFERENCES:
patent: 4351604 (1982-09-01), Karasawa et al.
patent: 5345298 (1994-09-01), Corrigan, Jr. et al.
patent: 5398849 (1995-03-01), Smith et al.
patent: 2005/0031381 (2005-02-01), Arimoto
CN Office Action issued Jun. 27, 2011 in CN Patent Application No. 2008100820791.
Lee Hyun-cheol
Moon Ji-won
Sim Yun-kyu
Fekete Barnabas
Gray David
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
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