Retractable cover for open top container
US4129331A · kind A · utility
17Cited by
4References
3Claims
0Family size
Inventors
Key dates
| Filing date | Aug 17, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Aug 17, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60J7/062
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A flexible cover for an open top trailer is so mounted as to be moved by pneumatic power means between a closed position and an open position in which the cover is retracted toward a position adjacent one side of the trailer so as to be generally pleated by a system of rubber ropes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.