Feed roller for mixing and feeding a powder
US5249019A · kind A · utility
10Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1992 |
| Grant date | Sep 28, 1993 |
| Priority date | — |
| Expiry date | Jan 17, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0822
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In a feed roller for mixing a developer and feeding it to a developing roller, a first mixing wing parallel to a rotating shaft is provided, a second spiral-shape mixing wing is diagonally provided in a manner to cross the first wing, and a spiral-shape groove for feeding a powder is formed on the one side located on the forward section with respect to rotating direction and being the powder scraping-up side of the both sides of said second mixing wing, along said second mixing wing, so as to enhance the feed performance, lateral-mixing performance and lateral-feed performance of the feed roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.