Developing device and image forming apparatus

Details Developing device and image forming apparatus Developing device and image forming apparatus

2007-08-22

2009-11-24

Chen, Sophia S (Department: 2852)

Electrophotography

Image formation

Development

C399S103000, C399S274000

Reexamination Certificate

active

07623815

ABSTRACT:
There is provided a developing device including: a casing; a developing roller held by the casing and carrying a developing agent; and a layer-thickness regulating blade for regulating a layer thickness of the developing agent carried on the developing roller, in which in the state where the developing roller is held by the casing, the tip end portion of the layer-thickness regulating blade abuts against the developing roller at a uniform pressure in the axial direction of the developing roller, and in the state where the developing roller is not held by the casing, the layer-thickness regulating blade is bent toward a disposed position of the developing roller.

REFERENCES:
patent: 5517294 (1996-05-01), Ogiri et al.
patent: 6282395 (2001-08-01), Nittani et al.
patent: 6901228 (2005-05-01), Kamimura et al.
patent: 2005/0254862 (2005-11-01), Toba et al.
patent: 2006/0140683 (2006-06-01), Takami
patent: 2006/0171747 (2006-08-01), Ishii
patent: 2-025866 (1990-01-01), None
patent: 2002-287487 (2002-10-01), None

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