Dry-type developing device

Details Dry-type developing device Dry-type developing device

1980-11-24

1982-10-19

Coe, Philip R.

Agitating

Having specified feed means

Plural related feeders having separate outlets to mixing...

366158, 118612, 118658, 355 3DD, G03G 1509

Patent

active

043547630

ABSTRACT:
An improved developing device includes a rotatable sleeve, a reservoir from which developer is available for image development, a hopper containing fresh replenishment toner, a plate for scraping used developer from the sleeve and for directing it into a conduit in which it is mixed with fresh replenishment toner, and at least an opening in the conduit from which replenished developer comprising used developer mixed with fresh toner is returned to the reservoir in a substantially uniformly mixed condition for use in subsequent image development.

REFERENCES:
patent: 3543720 (1970-12-01), Drexler
patent: 4173405 (1979-11-01), Swapceinski et al.
patent: 4177757 (1979-12-01), Murakawa et al.
patent: 4261290 (1981-04-01), Yamashita et al.

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