Rotary grain screeners
US4440637A · kind A · utility
11Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Apr 30, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary grain screener is disclosed in which a reverse drive transmission assembly is provided at one end of the screener and in which a second drive transmission assembly is provided at the opposite end of the screener for driving an outer drum, an inner drum being secured to a central shaft which is driven from the outer drum through the reverse drive transmission assembly. The second drive transmission assembly also drives an auger in a pan which underlies the screens and a conveyor for conveying foreign materials upwardly out of the pan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.