Toner supplying device for use in image forming apparatus that m

Details Toner supplying device for use in image forming apparatus that m Toner supplying device for use in image forming apparatus that m

1997-05-27

1998-11-24

Grimley, Arthur T.

Electrophotography

Image formation

Development

399111, G03G 2100

Patent

active

058420916

ABSTRACT:
A toner supplying device is constructed such that, at each side of a pair of supporting plates 39 rotatably about a rotating center C, a toner supply roller 20, an upper and lower auger rollers 35 and 34, and a developing roller 19 are integrally supported, and each supporting plate 39 is made rotatable about a supporting shaft 1e whereby to allow the developing roller 19 to come into contact with a photosensitive drum 12. Accordingly, the toner supply roller 20 and the developing roller 19 can integrally be provided as maintaining a proper positional relation therebetween. With such a simple and inexpensive structure, the developing roller 19 is allowed to come into contact with the photosensitive drum 12, thereby enabling development using toner on an electrostatic latent image.

REFERENCES:
patent: 3942474 (1976-03-01), Smith et al.
patent: 4102585 (1978-07-01), Hebenar
patent: 4194850 (1980-03-01), Cranmore
patent: 5708922 (1998-01-01), Azuma et al.

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