Dry-type developing device
US4354763A · kind A · utility
16Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1980 |
| Grant date | Oct 19, 1982 |
| Priority date | — |
| Expiry date | Nov 24, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0819
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.