Electrophotography – Image formation – Development
Reexamination Certificate
2011-04-12
2011-04-12
Gray, David M (Department: 2852)
Electrophotography
Image formation
Development
Reexamination Certificate
active
07925194
ABSTRACT:
A developing unit to supply toner to a photosensitive medium of an image forming apparatus to form an image thereon, including a housing to hold a toner of a predetermined color, a developing roller which is coupled to the housing to be rotatable in a direction opposite to a moving direction of the photosensitive medium, to supply the photosensitive medium with the toner, and to form the image by potential difference, and a regulating blade including a coupling end part coupled to the housing and a free end part double bent with regard to the coupling end part to contact the developing roller at a tip part thereof.
REFERENCES:
patent: 2004/0091290 (2004-05-01), Yamada et al.
patent: 2006/0099016 (2006-05-01), Watanabe et al.
patent: 9-50183 (1997-02-01), None
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Office Action issued Mar. 31, 2008, from Korean Patent Office with respect to Korean Patent Application No. 10-2006-0116084.
Han Cheol-young
Jo Hae-seog
Kim Hak-kyum
Curran Gregory H
Gray David M
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
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