Developer supplying container, developing device having same and process cartridge
US5778282A · kind A · utility
30Cited by
17References
58Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 1997 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | May 14, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A guide surface for engaging by a flexible film member closing a developer discharge opening of a developer supplying container is disposed at a downstream side of an elastic seal member against which the film is slidingly contacted when the film is pulled out, whereby the film is bent convexly against the elastic seal member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.