Developing apparatus with magnetic seals for preventing toner leakage
US6038414A · kind A · utility
10Cited by
6References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Oct 27, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0942
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing apparatus includes magnetic members, which are provided at ends of a developing agent bearing member with gaps therebetween and adapted to form magnetic seals between the magnetic members and the developing agent bearing member, are charged so that leakage between the magnetic seals and magnetic members, such as the developing agent bearing member, disposed in the vicinity of the magnetic seals is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.