Patent attributes
A chassis for a recreational vehicle having an open lattice structure includes a pair of central longitudinal support units, each including a pair of vertically spaced bearing members that are interconnected to provide vertical rigidity. A pair of side longitudinal support units extend parallel to the central longitudinal support units and also include a pair of vertically spaced bearing members interconnected to provide vertical rigidity. The central longitudinal support unit includes a further lower bottom member positioned at the same vertical distance as the lower side longitudinal support bearing member. Interconnecting members provide both vertical and horizontal rigidity so that a stable chassis platform is provided without requiring additional structural support and strength from any hull built thereon.