Structure of developer replenishing container
US6188859A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2000 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Mar 20, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer replenishing container having a developer guide cone connected between a cylindrical body portion and a bottle neck for guiding developer out of the cylindrical body portion via the bottle neck, wherein the developer guide cone defines a spiral guide wall portion and a spiral developer flow passageway for guiding developer from the cylindrical body portion toward the bottle neck, the developer guide cone having a diameter made gradually reduced toward the bottle neck, and an angle of slope within about 15.degree..about.45.degree., the spiral guide wall portion having a depth within about 3.about.18 mm, the spiral developer flow passageway having a rear end smoothly extended to the bottle neck in a flush manner for guiding developer to the bottle neck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.