Developing apparatus

Details Developing apparatus Developing apparatus

2005-07-05

2005-07-05

Chen, Sophia S. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S099000, C399S103000, C399S273000, C399S283000

Reexamination Certificate

active

06915091

ABSTRACT:
The present invention provides a developing apparatus comprising a developer bearing member for bearing developer, a spacer provided on a surface at an end portion of the developer bearing member along a longitudinal direction, for maintaining a constant gap between the developer bearing member and an image bearing member for supplying the developer from the developer bearing member, a seal member for regulating leakage of the developer toward the end portion of the developer bearing member along the longitudinal direction, and a developer scraping member provided at a portion overlapping with the seal member along the longitudinal direction of the developer bearing member, contacting the developer bearing member, and wherein the developer bearing member contacts a surface of the spacer.

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patent: 2003-015413 (2003-01-01), None

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