Developing device
US5655197A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Oct 24, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0818
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device including a supply member pressingly contacted with a toner carrier, wherein the supply member has a hardness which greater than that of the toner carrier. The supply member is rotated in the same direction as the toner carrier to conduct the peeling and supply of toner. A plate spring-like regulation member is pressed against the toner carrier to charge the toner to a predetermined polarity and thin the toner into one or two layers. The toner carrier is made of a foam material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.