Rake lifting means for sedimentation apparatus
US4462908A · kind A · utility
5Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1982 |
| Grant date | Jul 31, 1984 |
| Priority date | — |
| Expiry date | Oct 25, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D21/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A motorized lifting mechanism for the rake arms of a sedimentation tank which comprise spaced vertical pairs of pivot link arms interconnecting the rake arm frame to a main center rake arm drive cage and wherein the rake arm frame is in turn interconnected to a motorized jack lifting screw by means of a cable to raise the arm upon the pivoting of the pivot arms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.