Developing apparatus

Details Developing apparatus Developing apparatus

1991-06-07

1992-02-11

Grimley, A. T.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118661, 355246, 355259, 355260, G03G 1508

Patent

active

050867288

ABSTRACT:
A developing apparatus is provided with a developer container, a rotatable developer carrying member, a developer regulating member and an elastic rotatable member. Projections and recesses are provided on the surface of the elastic roller for removing a nonmagnetic toner from a developing sleeve and supplying the nonmagnetic toner to the developing sleeve. The number N per unit length of the projections contacting the sleeve in the direction of rotation of the roller, the width d of the nip portion between the sleeve and the roller, the circumferential speed V.sub.1 of the sleeve, and the circumferential speed V.sub.2 of the roller are set to be:
V.sub.2.gtoreq.V.sub.1 /4,
and

REFERENCES:
patent: 4458627 (1984-07-01), Hosono et al.
patent: 4788570 (1988-11-01), Ogata et al.
patent: 4930438 (1990-06-01), Demizu et al.
patent: 5016560 (1991-05-01), Asada et al.
Xerox Disclosure Journal, vol. 2, No. 3, p. 91, May/Jun. 1977 Masham/Roger D., "Liquid Developer Applicator".

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