New navigation system on caterpillar-floats, characterized by the combination of a suitable vehicle with transverse axes, parallel, provided with gearing wheels for endless chains, stretched between both axes, to which are attached continuous bands of floats, with a group motor, a mechanical link reducer and shift gear between said motor and the shaft of one of the said gear wheels, and a locking means in each of the axes of the other wheels cited. (Machine-translation by Google Translate, not legally binding)
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