Device for sorting
US9849484B2 · kind B2 · utility
4Cited by
26References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 2013 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Oct 30, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F7/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a device for sorting particulate materials of different grain size that can be part of a construction machine or digger's scoop. The device for sorting has a plurality of helical rollers, each exhibiting at least one helix, wherein each helical roller rotates about a rotary axis of its own, at least two adjacent helical rollers exhibit the same direction of rotation, and the rotary axes of at least three helical rollers are not arranged in a common plane. At least some of the helical rollers are held and rotatably mounted exclusively at one end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.