Operation of self-steering axles on semi-trailers
US9096263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2007 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | May 31, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D13/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method of controlling the sideways motion of a trailer forming part of a combination vehicle, such as a road train, for road transport of heavy goods. The vehicle has a trailer including a semi-trailer body and a dolly mounted beneath the front of the semi-trailer body. The method includes steering at least some of the wheels on said axle sets relative to the dolly frame such that at high speeds, as the vehicle turns towards one side, steering the dolly wheels to induce the dolly to move towards that side and, at low speeds, as said vehicle turns towards that side, steering the dolly wheels to induce the dolly to move towards the opposite side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.