Developing apparatus and L-shaped toner regulating blade therefo

Details Developing apparatus and L-shaped toner regulating blade therefo Developing apparatus and L-shaped toner regulating blade therefo

1998-01-27

1999-08-10

Royer, William

Electrophotography

Image formation

Development

118261, G03G 1508

Patent

active

059372532

ABSTRACT:
A developing apparatus includes a developing roller having a surface on which a layer of a non-magnetic single component developing agent (toner) is adapted to be formed, a toner supply roller held in contact with the developing roller so as to electrify the toner and also to supply the toner to the developing roller, and a toner regulating blade for regulating the toner on the developing roller so as to form a film of the toner thereon. The toner regulating blade is formed into a generally L-shape, and with a simple construction, the thickness of the toner layer, formed on the developing roller, can be stabilized, and also a torque of the developing roller can be reduced, and the degradation of a printed image is suppressed, thereby stabilizing the printed image.

REFERENCES:
patent: 5338895 (1994-08-01), Ikegawa et al.

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