Developer container
US6229977A · kind A · utility
8Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2000 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | May 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A container body installed in an image forming apparatus to supply developer, having a spiral developer guide spirally extended around an inside wall thereof for guiding developer out of a front opening thereof, the spiral developer guide having a spiral guide way formed of flat surface portions and sloping surface portions alternatively connected in series, and two spiral flanges spirally formed integral with the inside wall of the container body along the series of flat surface portions and sloping surface portions at two opposite lateral sides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.