Patent ID: 7438144

Claim:
An autonomous electrically powered vehicle that requires, to power it, a significant mass and/or volume of batteries, said batteries being supported by an independent chassis which is itself equipped with at least one axle fitted with wheels and which is designed to be accommodated in a housing defined under the chassis of the vehicle, the battery chassis having a longitudinal plane of symmetry perpendicular to its axle or axles and a transverse plane perpendicular to said longitudinal plane, and connecting means being provided for connecting the battery chassis and the vehicle chassis, said connecting means comprising locking means for locking the battery chassis and the vehicle chassis together, and an interface on the battery chassis side and an interface on the vehicle chassis side including connectors for the transmission of power and/or commands or information, wherein said interfaces each further comprise the complementary male and female parts of at least one centering member and of at least one interconnection member, the interface on the vehicle chassis side consisting of a plate independent of said chassis and joined to it at least three points, two of which are controlled by rams and the third of which adopts the form of a ball joint.