US Patent 9045163 Universal chassis apparatus for automotive vehicle

A universal chassis apparatus for an automotive vehicle includes a battery and/or fuel storage compartment in a rigid backbone structure. In another aspect, a vehicle chassis that incorporates the engine structure, transaxle structure and a backbone structure provided as a unitary structure onto which other components of a vehicle, such as suspension, steering, body and crash absorbers may be attached. The backbone structure is a closed tubular structure in which a relatively rigid drive shaft can be supported for rotational power delivery between the engine and the transaxle.