System for transporting semi-trailers on two interconnected vehicles
US4671714A · kind A · utility
46Cited by
19References
13Claims
0Family size
Inventor
Key dates
| Filing date | Aug 16, 1985 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Aug 16, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7005
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for transporting a semi-trailer with a king pin and a wheel assembly on first and second drawn vehicles includes a stanchion on the first vehicle for releasably securing the trailer king pin. Ramp assemblies are provided on the vehicles and are extendable therebetween for loading and unloading the trailer. A pair of wheel cradles are independently and pivotally mounted to a butt plate box which in turn is adjustably mounted on a platform of the second vehicle. The wheel cradles receive the wheel assembly and have combination chocks and ramps pivotally mounted thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.