Coffee grinder-mixer assembly for producing both regular and high yield ground coffee
US4786001A · kind A · utility
30Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1986 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | May 30, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/531
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A coffee grinder-mixer assembly and method for alternatively producing high yield coffee and regular yield coffee comprising a grinding head, an elongated mixer box, a first elongated shaft mounting auger means and supported for rotation in the mixer box, second elongated shaft concentric with the first shaft for rotation relative to the first shaft, a plurality of paddles mounted on the second shaft, and means for alternatively co-rotating and counter-rotating the first shaft and the second shaft, relative to the other, thereby alternatively to produce high yield and regular yield coffees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.