Patent ID: 8678121
Filing Date: 2014-03-25
Classification: B25J,B60D,B62D,B64F,G01D,G01N,H01F

Abstract:
1. A system comprising a tractor vehicle, a first trailer vehicle and a skin between and in contact with said tractor vehicle and said first trailer vehicle, one of said tractor vehicle and said first trailer vehicle being disposed in a non-inverted position above said skin and the other of said tractor vehicle and said first trailer vehicle being disposed in an inverted position below said skin, wherein said first trailer vehicle comprises a first magnet pole, said tractor vehicle comprises one or more magnet poles magnetically coupled to said first magnet pole on said first trailer vehicle, and said magnetic coupling between said first magnet pole on said first trailer vehicle and said one or more magnet poles on said tractor vehicle produces a first attraction force, said system further comprising means for maintaining the magnitude of the first attraction force within a first range as said tractor vehicle and said first trailer vehicle move along a first portion of said skin having a varying thickness.