Developing device and image forming apparatus
US9804524B2 · kind B2 · utility
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8Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 1, 2016 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Aug 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device includes a developer carrier that opposes an image carrier and rotates while carrying developer on a surface thereof; and a container that supports the developer carrier in a rotatable manner and contains the developer, the developer containing toner, first carrier subjected to frictional charging together with the toner, and second carrier having a diameter greater than a diameter of the first carrier and an electrical resistance lower than an electrical resistance of the first carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.