Charger for electrophotography having a grid assembly

Details Charger for electrophotography having a grid assembly Charger for electrophotography having a grid assembly

1990-02-22

1993-04-27

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Electric charging of objects or materials

By charged gas irradiation

355225, G03G 1502

Patent

active

052067840

ABSTRACT:
An electrophotographic charger of the type in which a plurality of corona wires extend in the axial direction adjacent to and separated from the surface of a photosensitive drum in order to charge the surface. A plate-like etching grid is interposed between the corona wires and the drum to ensure the charge is uniformly placed on the drum. The grid is divided into a number of individual removable grids so that the distance between each grid and the adjacent corona wire, and the distance between each grid and the drum surface is substantially uniform.

REFERENCES:
patent: 3382360 (1968-05-01), Young et al.
patent: 4074134 (1978-02-01), Roalson
patent: 4141648 (1979-02-01), Gaitten et al.
patent: 4494856 (1985-01-01), Aoki et al.
patent: 4558221 (1985-12-01), Gundlach et al.
patent: 4652754 (1987-03-01), Almeter et al.
Patent Abstracts of Japan, vol. 12, No. 224, p. 721, Jun. 25, 1988, abstract of 63-17473.

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