Apparatus for developing electrostatic latent images

Details Apparatus for developing electrostatic latent images Apparatus for developing electrostatic latent images

1986-03-20

1989-01-24

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, 118658, G03G 1508

Patent

active

048004120

ABSTRACT:
An electrostatic latent image developing apparatus which has a developing sleeve drivingly rotatable for transporting a developer, a magnetic roller fixedly positioned within the developing sleeve and having a plurality of N and S poles wherein one of said poles includes auxiliary poles of a weaker magnetic force, a bristle height restricting plate and apparatus for supplying the developer. Said auxiliary poles have the same polarity and are provided at one side of the sleeve opposite to the developing side thereof. Said bristle height restricting plate is provided between one of the auxiliary poles located downstream with respect to the direction of transport of the developer and the pole adjacent to the downstream auxiliary pole in the rotating direction of the developing sleeve.
By using this apparatus, developer after being used for developing is smoothly mixed and stirred with a newly supplied developer at the upstream side of said bristle height restricting plate.

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