Developing device using a single component developer

Details Developing device using a single component developer Developing device using a single component developer

1987-10-21

1990-06-05

Lawrence, Evan

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118653, 118656, 355253, 355259, 355261, G03G 1508

Patent

active

049304380

ABSTRACT:
A developing device employing a non-magnetic one-component toner is provided and it includes a developing sleeve, which is driven to rotate in a predetermined direction past a developing region where toner carried on the sleeve is supplied to develop an electrostatic latent image formed on an image bearing member, a tank for storing therein a quantity of non-magnetic one-component toner and a flexible supply roller generally disposed between the tank and the developing sleeve for supplying the toner from the tank to the developing sleeve. The flexible supply roller rotates so as to be in sliding contact with the developing sleeve. With the provision of such a supply roller, even non-magnetic one-component toner can be suitably supplied to the developing sleeve to form thereon a thin film of charged toner for use in developing an electrostatic latent image.

REFERENCES:
patent: 4036175 (1977-07-01), Phillips et al.
patent: 4083326 (1978-04-01), Kroll et al.
patent: 4370049 (1983-01-01), Kuge et al.
patent: 4382420 (1983-05-01), Ohnuma et al.
patent: 4656964 (1987-04-01), Kanno et al.
English Translation of Japanese Kokai Patent No. 59-126567, Washington, D.C., U.S. Patent and Trademark Office, Jun. 1988.
IBM Technical Disclosure Bulletin, vol. 1, No. 3, Oct. 1958, p. 6, N.Y., U.S.; Schaffert, R. M., "Development of Electrostatic Images," p. 6, line 1-4; FIG. 1.

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