Device for transporting materials across fragile structures
US4257652A · kind A · utility
8Cited by
8References
2Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 1978 |
| Grant date | Mar 24, 1981 |
| Priority date | — |
| Expiry date | Nov 20, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D15/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device having a frame with a supporting platform, a pair of substantially cylindrical assemblies mounted for rotational movement on the frame about substantially parallel axes of rotation, a resilient substantially flat belt extended about the assemblies, and a drive mechanism for rotating one of the assemblies about its axis of rotation to move the belt in transporting relation to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.