Spreader for and operative by a granular product
US4272028A · kind A · utility
19Cited by
5References
31Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 1978 |
| Grant date | Jun 9, 1981 |
| Priority date | — |
| Expiry date | Nov 20, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/0441
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The subject invention is directed to a spreader adapted for support in an upper entrance or inlet of a storage facility or bin for spreading and depositing the product in a circular area to a substantially uniform depth and comprises a hopper or funnel for initially receiving the product and an impeller which is propelled or operated by the downward force of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.