Silo door construction
US4118909A · kind A · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1977 |
| Grant date | Oct 10, 1978 |
| Priority date | — |
| Expiry date | Feb 24, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F25/2009
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is disclosed a silo door system designed to adapt older silo constructions for automated unloading, or to be employed as a general door system, if desired. The system includes a number of apertured panel sections clamped to the silo wall in aligned relationship, with door members for selectively closing said apertures. In addition, there is disclosed a double arm unloader chute positioning means for maintaining alignment of an unloader discharge chute with the apertures in said panel sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.