Developing apparatus having a developing roller with fine concavities
US4982689A · kind A · utility
23Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | May 30, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0636
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing apparatus for developing an electrostatic latent image includes a container for containing a developer, a rotatable developing roller for carrying the developer supplied from the developer container into a developing zone where the electrostatic latent image is developed, the developing roller having a developer carrying surface having fine concavities and finely smooth ironed surface portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.