Developing apparatus, and image forming apparatus
US8855525B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2011 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Jul 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0838
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing apparatus includes a first chamber for accommodating a developer, the first chamber being provided with a developer carrying member for carrying the developer; a second chamber communicated with the first chamber through communication openings provided at opposite end portions to establish a circulation path; a feeding member, provided in the second chamber, for feeding the developer in a feeding direction which is from one of the communication openings toward the other communication opening; a sealing portion for openably sealing the communication openings; a moving mechanism for opening the communication openings by moving the sealing portion; and a reverse feeding member for feeding the developer in a direction which is opposite the feeding direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.