Developing apparatus

Details Developing apparatus Developing apparatus

1982-03-01

1984-08-07

Truhe, J. V.

Photocopying

Including fiber optics

118653, G03G 1500

Patent

active

044640412

ABSTRACT:
In the developing apparatus for producing an electrostatic latent image on a charge retaining member such as a drum, a rotating member for producing a shifting magnetic field is used to transport magnetic toner from a toner source to a developing area on the drum. The amount of toner so transported is regulated by the present invention by a magnetizable member positioned adjacent the rotating member in front of the developing area, the magnetizable member being characterized by a curved surface on which a shifting magnetic field is induced by the said rotating member and which attracts excess toner from the latter.

REFERENCES:
patent: 4386577 (1983-06-01), Hosono et al.
patent: 4386845 (1983-06-01), Miyoshi et al.

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