Thin developer layer forming device

Details Thin developer layer forming device Thin developer layer forming device

1984-07-13

1985-12-24

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

355 3DD, G03G 1509

Patent

active

045598991

ABSTRACT:
A thin developer layer forming device includes a developer supply container, having an opening, for containing a non-magnetic developer and magnetic particles, an endlessly movable developer carrying member of a non-magnetic material for carrying a developer, which is movable between an inside of the developer supply container and an outside of the developer supply container through the opening, rotatable member for generating a magnetic field, disposed in the carrying member, and a magnetic particles confining member, provided outside of the developer carrying member and cooperable with a magnetic pole of the magnetic field generating means to confine the magnetic particles within the developer container, wherein the magnetic field generating member is rotated in the developer carrier to move the magnetic particles in a direction opposite to a direction of movement of the developer carrying member.

REFERENCES:
patent: 4244322 (1981-01-01), Nomura et al.
patent: 4406535 (1983-09-01), Sakamoto et al.
patent: 4457257 (1984-07-01), Murakami et al.

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