Developing device
US5887227A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | May 15, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0177
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device which is capable of being detachably mounted to a rotary unit of an image forming apparatus and which includes a developer carrying member for forming a development region together with an image carrying member and rotating as carrying a developer, a developer containing section for containing the developer to be supplied to the developer carrying member, and a pressure relief portion provided in a surface substantially perpendicular to the rotational axis of the rotary unit, of the developer containing section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.