Developer charging unit, developing device, image-forming...

Details Developer charging unit, developing device, image-forming... Developer charging unit, developing device, image-forming...

2005-08-30

2005-08-30

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

06937835

ABSTRACT:
A developer charging unit comprises a developer charging member for charging developer bore by a developer bearing member by abutting against the developer bearing member; a supporting member for supporting the developer charging member; and a plurality of fixing portions for fixing the developer charging member and the supporting member together, the fixing portions being lined up according to a predetermined arrangement. A spacing between two of the fixing portions located in a central section in a longitudinal direction of the developer charging member is shorter than a spacing between two of the fixing portions located at an end section in the longitudinal direction of the developer charging member.

REFERENCES:
patent: 4586460 (1986-05-01), Shimazaki et al.
patent: 4920916 (1990-05-01), Mizuno et al.
patent: 6078771 (2000-06-01), Buchanan et al.
patent: 2001/0048828 (2001-12-01), Ishii et al.
patent: 0 345 023 (1989-12-01), None
patent: 0 841 599 (1998-05-01), None

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