US 4,627,701 A · Corona discharger system

Abstract

A process kit is detachably mounted in the main body of an image forming apparatus and includes a housing in which a photosensitive member, a corona discharger and a developing device are mounted and held as a unit, the housing including an optical opening formed therein upstream of the corona discharger for conducting a homogeneous light to the photosensitive member to eliminate any remaining charge thereon and an opening of exposure for conducting a light of information to the photosensitive member, the exposure opening being located between the corona discharger and the developing device.

Claims10

Dependent claims

A corona discharger system comprising a corona wire;

means for supporting both ends of the corona wire;
a member movable into facing relation with said corona wire and having a surface which will hold an electrostatic latent image;
and corona wire positioning member located between said surface and the mounted corona wire and always biased toward said surface by the tension of said wire.

Dependencies are inferred from the claim text.

Facts

Application

06/784,368Filed 4 Oct 1985 · division

Priority

JP 57-8560820 May 1982

Granted

9 Dec 1986

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

G03G 21/1814
Arrangements or disposition of the complete process cartridge or parts thereof: details of parts of process cartridge, e.g. for charging,…
G03G 21/1628
Means to access the interior of the apparatus: clamshell type
G03G 21/1671
Means for handling parts of the apparatus in the apparatus: for the photosensitive element
G03G 21/1832
Prevention of damage or soiling, e.g. mechanical abrasion: shielding members, shutter, e.g. light, heat shielding, prevention of toner scattering

Corona discharger system

Life of this patent

Corona discharger system

Life of this patent

Abstract

Claims10