A system for converting a snowmobile into a wheeled vehicle is disclosed, and comprises a pair of wheel mounting assemblies for each being mounted on one of the front skid support assemblies of the snowmobile, and a swing arm for mounting on the snowmobile in a manner such that the swing arm is pivotable...http://www.google.fr/patents/US7513327?utm_source=gb-gplus-shareBrevet US7513327 - System for converting a recreational vehicle
