A lighting system that can be a track lighting system that allows lights to move in different directions such as in both a “x” direction and in a “y” direction. This lighting system can include a set of parallel tracks wherein at least one track is also slidable on this set of parallel spaced...http://www.google.fr/patents/US20070002558?utm_source=gb-gplus-shareBrevet US20070002558 - Multi-positional track lighting device
