Combination belly and rear dump trailer
US5957538A · kind A · utility
9Cited by
10References
21Claims
0Family size
Inventor
Key dates
| Filing date | Nov 16, 1998 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60P1/56
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
This invention relates to a trailer drawn by a tractor vehicle which includes the combination of a rear and belly dump and in which the trailer rear wheel assembly remains entirely on the ground when the means for elevating the trailer for rear dump is made, including means for permitting the material to be dumped to directly dump beyond the wheels of the trailer, and further, to permit the trailer wheels and the tractor wheels to be moved close together during rear dump for purposes of distribution of the material and further to include a clean-out door for dislodging material which may have been stuck during dumping operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.