Developing device

Details Developing device Developing device

1986-08-14

1987-08-18

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118656, 118658, G03G 1506

Patent

active

046869344

ABSTRACT:
A developing device comprises a developer bearing member to form thereon a developer layer with carrier particles which attracts toner particles; a toner holding member which passes by the developer bearing member and faces the developer layer such that toner particles are received to form the toner layer on the toner holding member, and which passes a developing station; a DC voltage source for applying DC voltage between the developer bearing member and the toner holding member for separating toner particles only from the developer held on the developer bearing member and adsorbing it to the toner holding member; and an elastic blade to making contact and slide the toner particles held on the toner holding member.

REFERENCES:
patent: 3638614 (1972-02-01), Young
patent: 4155329 (1979-05-01), Tsukamoto
patent: 4237819 (1980-12-01), Ikegami
patent: 4383497 (1983-05-01), Tajima
patent: 4385829 (1983-05-01), Nakahata

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