Entwicklervorrichtung in einem elektrophotographischen Gerät

A developing device in an electrophotographic apparatus, wherein a pole c1 which is a delivering magnetic pole of the second developing roll for delivering the developer to the first developing roll and a pole d1 which is a receiving magnetic pole of the second developing roll for receiving the deve...

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Main Authors YOKOKAWA, SHUUHO, HITACHINAKA, IBARAKI, JP, HIROSE, YOUJI, HITACHINAKA, IBARAKI, JP, TAKEUCHI, YOUICHI, HITACHINAKA, IBARAKI, JP, TAKAHASHI, KUNITOMO, HITACHINAKA, IBARAKI, JP, IWANAGA, HIDENORI, HITACHINAKA, IBARAKI, JP, TSUJI, YASUYUKI, HITACHINAKA, IBARAKI, JP, UENO, HIROSHI, HITACHINAKA, IBARAKI, JP, DOI, KOJI, HITACHINAKA, IBARAKI, JP, YAMADA, KOUTARO, HITACHINAKA, IBARAKI, JP
Format Patent
LanguageGerman
Published 21.12.1995
Edition6
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A developing device in an electrophotographic apparatus, wherein a pole c1 which is a delivering magnetic pole of the second developing roll for delivering the developer to the first developing roll and a pole d1 which is a receiving magnetic pole of the second developing roll for receiving the developer from the first developing roll are set so as to be the same in polarity, whereas a pole a2 which is a receiving magnetic pole of the first developing roll for receiving the developer from the second developing roll and a pole g2 which is a delivering magnetic pole of the first developing roll for delivering the developer to the second developing roll are set to be equal in polarity, wherein each of an angle between the poles c1 and d1 and an angle between the poles a2 and g2 is set so as to be in a range of from 70 DEG to 120 DEG , and wherein the magnetic flux density of each of a reaction pole induced between the poles c1 and d1 and a reaction pole induced between the poles a2 and g2 is set so as to be less than or equal to 0.015 tesla.
Bibliography:Application Number: DE19951021977