Convertible trailer assembly
US5397148A · kind A · utility
Inventor
Key dates
| Filing date | Nov 1, 1993 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Nov 1, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D63/065
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A convertible trailer assembly having a first orientation wherein a center trailer hitch is connected to a lead vehicle and a second orientation wherein two outside trailer hitches are connected to a lead vehicle. The convertible trailer assembly comprises a trailer frame having two longitudinally extending hollow side channels. A wheel assembly includes a fixed upper plate and a rotatably connected lower plate. The lower plate includes a depending skirt including a centrally located aperture, a coil overshock coupled with the lower plate, a vertical arm extending downwardly from the lower plate, horizontally extending arms connecting the lower ends of the coil overshock with the vertical arm. A wheel is rotatably mounted between the coil overshock and the horizontally extending arm with the wheel assembly being coupled to the lower surface and rearward end of the trailer frame. Side trailer hitches are provided, each having a forward end adapted to be coupled with a lead vehicle, and a rearward end adapted to be received within one of the hollow side channels. Lastly, a center trailer hitch has a forward end adapted to be coupled with a lead vehicle, and a rearward end adapted to …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.