Developing apparatus for regulating the amount of developer in t

Details Developing apparatus for regulating the amount of developer in t Developing apparatus for regulating the amount of developer in t

1998-07-02

2000-05-23

Grimley, Arthur T.

Electrophotography

Image formation

Development

399264, 399275, 399277, G03G 1509

Patent

active

060674334

ABSTRACT:
A developing apparatus includes a developer bearing member, a first magnetic pole and a second magnetic pole of a same polarity as that of the first magnetic pole, and a regulating member. A regulating portion of the regulating member is provided within a range from a point of the maximum magnetic flux density of the second magnetic pole and an angular point corresponding to a half of the half value width of the second magnetic pole at the downstream side in the rotating direction of the developer bearing member.

REFERENCES:
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patent: 5253018 (1993-10-01), Takeuchi et al.
patent: 5434351 (1995-07-01), Iwai et al.
patent: 5469244 (1995-11-01), Ogata et al.
patent: 5559587 (1996-09-01), Ogata et al.
patent: 5606404 (1997-02-01), Hilbert et al.
patent: 5697010 (1997-12-01), Masuda et al.

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