Hopper bottom trailer
US6059372A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1997 |
| Grant date | May 9, 2000 |
| Priority date | — |
| Expiry date | Dec 9, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D88/128
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An open top vessel containing bulk or liquid material comprising an inclined front wall, an inclined rear wall, and inclined opposite side walls. The walls of the vessel extend downwardly and inwardly from the upper ends thereof towards the lower ends thereof towards a discharge opening formed at the lower end of the vessel. A support frame is provided for supporting the vessel and includes at least a pair of horizontally spaced-apart, horizontally disposed support frame members which receive inverted U-shaped supports on the upper end of the vessel. The vessel is ideally suited for use as a hopper bottom in a hopper bottom trailer. The vessel is comprised of a fiber reinforced plastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.