Multi-deck screening machine
US7114620B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2003 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Sep 29, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/46
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A screening machine comprises a screen frame elastically supported on a fixed base and comprising screen cheeks and screen frame crossbeams which connect the screen cheeks, a drive for oscillating the screen frame, and a swing frame elastically coupled to the screen frame. The swing frame comprises thrust rods elastically coupled to the screen cheeks, fastening components projecting from the thrust rods and extending parallel to the screen cheeks, swing frame crossbeams arranged on each fastening component which connect the thrust rods, and at least two screening surfaces formed by screening mats extending substantially parallel to each other, the screening mats being alternately compressed and stretched in sections by being alternatingly fastened to the swing frame crossbeams and the screen frame crossbeams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.