Electrophotographic copying machine

Details Electrophotographic copying machine Electrophotographic copying machine

1974-05-21

1976-02-03

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

250325, 317 2R, 317 4, 355 30, G03G 2100, G03B 2752, H05F 300, H01T 1904

Patent

active

039361845

ABSTRACT:
In an electrophotographic copying machine of the type which transfer an electrostatic latent image formed on a photosensitive element, usually comprising a conductive base and a photoconductive layer thereon, onto a recording member, an electric dust collector is provided to clean the air flowing in the vicinity of a corona discharger and the photosensitive member. In order to direct the dust-free air, there is provided an air flow passage and a blower such as a fan. The corona discharger and the electric dust collector may be constructed integrally or separately. All of the air in the copying machine may be made dust-free.

REFERENCES:
patent: 3471695 (1969-10-01), Hudson
patent: 3566110 (1971-02-01), Gillespie et al.
patent: 3668008 (1972-06-01), Severynse
patent: 3741157 (1973-06-01), Krause
patent: 3743540 (1973-07-01), Hudson
patent: 3794839 (1974-02-01), Hayne

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