Toner-particle bearing roller, developing device, and image forming apparatus
US8401443B2 · kind B2 · utility
0Cited by
23References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2011 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Oct 11, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0634
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device includes a toner particle-bearing roller that bears toner particles on its surface and develops a latent image borne by an image-bearing member with those toner particles, the toner particle-bearing roller has a projection portion disposed on its surface, the projection portion having a top surface having a flat portion, and a width of the top surface being equal to or more than a volume average particle diameter of the toner particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.