Developing device, process cartridge, and image forming apparatus
US10534288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2018 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Aug 30, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device includes developer, a developer bearing member, and a supply member that is in contact with the developer bearing member and supplies the developer. The developing device further includes a developing chamber in which the developer bearing member and the supply member are disposed, a developer containing chamber that contains the developer, a partition wall that partitions the developing chamber and the developer containing chamber from each other and is provided with an opening that communicates the developing chamber and the developer containing chamber with each other, and a conveyance member that conveys the developer from the developer containing chamber to the developing chamber. The conveyance member is provided with a hole through which the developer can pass or has a protrusion that generates a gap between the conveyance member and the partition wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.