Developing device, process cartridge and image forming apparatus
US9513578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2015 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Aug 31, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0844
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device includes a developer chamber in which developer is accommodated, a developer supplying chamber in which a developer carrying member for developing a latent image forming on an image bearing member is rotatably provided and which is provided with an opening communicating with the developer chamber, a sealing member for sealing the opening, and a feeding member for feeding the developer from the developer chamber to the developer supplying chamber through the opening. The feeding member is rotatably provided in the developer chamber and has a rotation center below a rotation center of the developer carrying member. A part of the developer supplying chamber defining a periphery of the opening and a part of a lower inner surface of the developer supplying chamber are provided in the same plane, and the same plane is flush with or provided above a lower inner surface of the developer chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.