Unit for developing electrostatic latent images including member having overcoat layer
US5168312A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1990 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Oct 12, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A development unit including (i) a latent-electrostatic-image-bearable member, (ii) a development member for supporting a toner thereon and developing latent electrostatic images formed on the latent-electrostatic-image-bearable member into visible toner images with the toner, and (iii) a toner layer regulating member for regulating the thickness of a toner layer formed on the development member, wherein at least the development member or toner layer regulating member has an overcoat layer including a resin and a surface active agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.