Developing device having a porous plate

Details Developing device having a porous plate Developing device having a porous plate

1991-08-01

1992-11-24

Moses, Richard L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355262, 355261, 355259, 355245, G03G 1508

Patent

active

051664720

ABSTRACT:
A developing device which includes a housing including an opening toward a photosensitive drum, the housing containing a single-component toner, a developing roller disposed in the opening facing the photosensitive drum so as to transfer the toner to an image-forming area between the developing roller and the photosensitive drum, a porous plate disposed in the opening and kept in contact with the part of the developing roller which is positioned in the housing, the porous plate having pores of such a size so as to allow the toner to pass through, and a toner supply means for supplying the toner from the housing to the porous plate.

REFERENCES:
patent: 4395110 (1983-07-01), Hosono et al.

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