Developing apparatus with magnetic seals for preventing toner le

Details Developing apparatus with magnetic seals for preventing toner le Developing apparatus with magnetic seals for preventing toner le

1998-10-27

2000-03-14

Lee, Susan S. Y.

Electrophotography

Internal machine environment

Particle or contaminant control

G03G 1508

Patent

active

06038414&

ABSTRACT:
A developing apparatus includes magnetic members, which are provided at ends of a developing agent bearing member with gaps therebetween and adapted to form magnetic seals between the magnetic members and the developing agent bearing member, are charged so that leakage between the magnetic seals and magnetic members, such as the developing agent bearing member, disposed in the vicinity of the magnetic seals is prevented.

REFERENCES:
patent: 5084733 (1992-01-01), Katoh et al.
patent: 5177536 (1993-01-01), Watanabe et al.
patent: 5187326 (1993-02-01), Shirai
patent: 5359397 (1994-10-01), Yamaji
patent: 5790923 (1998-08-01), Oguma et al.
patent: 5812909 (1998-09-01), Oguma et al.

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