Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same
US5598254A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1995 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Aug 30, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cartridge for replenishing a two-ingredient developer to an image forming apparatus, and a developer replenishing device using it are disclosed. The cartridge is made up of two containers each storing a content of particular kind. One of the containers has an annular portion and a bore formed at the center by the annular portion. The other container has a cylindrical configuration and coaxially mates with the above container to form a single unit. Coaxial openings are respectively formed in the containers. Spiral grooves inclined in opposite directions to each other are respectively formed on the inner peripheries of the containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.