Method and apparatus for forming a thin layer of developer

Details Method and apparatus for forming a thin layer of developer Method and apparatus for forming a thin layer of developer

1984-04-18

1986-08-26

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, 430122, 118657, 118658, G03G 1508, G03G 1509

Patent

active

046079386

ABSTRACT:
A developing apparatus for developing a latent image includes a container, a developer carrying member movable along an endless path from inside the container to the outside, a magnetic field generator inside the carrying member, a partition member in the container for separately supporting, before operation, a first developer of magnetic particles and a second developer of non-magnetic particles, and a regulating member cooperable with the magnetic field generator. Upon release of the partition member, the first developer forms a base layer on the carrying member and the second developer forms on the base layer and then, upon circulation of the carrying member the second developer is moved past the regulating member.

REFERENCES:
patent: 4226525 (1980-10-01), Sakamoto et al.
patent: 4373798 (1983-02-01), Tsukada et al.
patent: 4406535 (1983-09-01), Sakamoto et al.
patent: 4435065 (1984-03-01), Wada
patent: 4478505 (1984-10-01), Tashiro
patent: 4491161 (1985-01-01), Tamura et al.

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