Developing apparatus having recessed sections on developing roll

Details Developing apparatus having recessed sections on developing roll Developing apparatus having recessed sections on developing roll

1996-04-11

1998-08-11

Grimley, Arthur T.

Electrophotography

Image formation

Development

399279, 399284, G03G 1508

Patent

active

057941092

ABSTRACT:
A developing apparatus which is equipped with a developer control member for controlling the developer on a developer supporter to a prescribed thickness, and which uses a one-component developer, characterized in that recessed sections are formed at the surface of the developer supporter to receive the developer, and the density .alpha. of particles of the developer which enter the recessed sections and the nip width L1 between the developer control member and the developer supporter satisfy the relationship: 3<.alpha..multidot.L1<10.

REFERENCES:
patent: 4866480 (1989-09-01), Hosoya et al.
patent: 5076201 (1991-12-01), Nishio et al.
patent: 5097294 (1992-03-01), Nishio et al.

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