Device for supplying developing solution

Details Device for supplying developing solution Device for supplying developing solution

1985-06-17

1988-01-19

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118661, G03G 1510

Patent

active

047207310

ABSTRACT:
A device for supplying a developing solution in a wet-type electrophotographic copying machine has a scraper pressed against a developing roller positioned in confronting relation to a latent-image carrier or photosensitive drum. The scraper and the developing roller jointly form a space of a V-shaped cross section which serves to form a pool of the developing solution. When the developing roller is rotated, the developing solution is drawn upwardly out of the solution pool and uniformly covers the circumferential surface of the developing roller whereupon it is transferred to the latent-image carrier. The apparatus provides a simple way of eliminating air bubbles from the developing solution before it is applied to the latent-image carrier and for applying the developing solution uniformly to the surface of the latent-image carrier.

REFERENCES:
patent: 3369523 (1968-02-01), Naumann
patent: 3667428 (1972-06-01), Smith
patent: 3748126 (1973-07-01), Ferguson et al.
patent: 3783827 (1974-01-01), Fukushima et al.
patent: 3907423 (1975-09-01), Hayashi et al.
patent: 3940782 (1976-02-01), Neeb et al.
patent: 3943541 (1976-03-01), Hirafuji
patent: 4161360 (1979-07-01), Smith
patent: 4392742 (1983-07-01), Landa
patent: 4640605 (1987-02-01), Ariyama et al.

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