US Patent 6926581 Toy vehicle with movable chassis components

A toy vehicle comprising a hinged, three part chassis having a first longitudinal end and a second, opposing longitudinal end and including a central chassis portion with first and second lateral chassis portions pivotally coupled with the central chassis portion on the first and second lateral side, respectively, of the central chassis portion. The first and second lateral chassis portions are coupled so as to pivot with respect to the central chassis portion in a common plane and spring biased against the central portion. Each lateral chassis portion includes a pair of road wheels at least one of which is driven by a reversible motor in that chassis portion.