Electrophotography – Image formation – Development
Reexamination Certificate
2008-09-26
2011-10-25
Gray, David (Department: 2852)
Electrophotography
Image formation
Development
C399S258000, C399S259000, C399S263000
Reexamination Certificate
active
08045902
ABSTRACT:
A developer conveying apparatus includes a first developer storing portion, a second developer storing portion, and a conveying pipe that connects the first and second developer storing portions. The conveying pipe includes a tubular main body and a conveying member rotatably provided in the main body. A groove is formed on a surface of the conveying member, and the groove has a depth less than or equal to 5 μm.
REFERENCES:
patent: 5177536 (1993-01-01), Watanabe et al.
patent: 08-314348 (1996-11-01), None
Fekete Barnabas
Gray David
Oki Data Corporation
Panitch Schwarze Belisario & Nadel LLP
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