Patent ID: 7147268

Claim:
A motorized recreational vehicle said vehicle comprising: at least one expandable living compartment disposed within a vehicle body; said expandable living compartment comprising at least one extendible component having first, second, and third walls, a floor and a roof, said walls, floor and roof each having interior and exterior surfaces and inboard and outboard sides, said extendible component being extendible from within said living compartment through a respective sidewall opening of said vehicle body; wherein said inboard edge of said roof of said extendible component is configured to mate with the outboard edge of said interior of said top of said vehicle body thereby forming a substantially flush joint providing a continuous ceiling profile and a continuous exterior top profile extending across said expandable living compartment; said inboard edge of said roof of said extendible component comprising an inwardly directed, upwardly biased, downwardly deformable interior flap, said outboard edge of the top within said sidewall opening comprising a hinged exterior flap, said hinged exterior flap lying secured against the exterior surface of the outboard wall of said extendible component and said interior flap normally contacting the interior surface of said top when said extendible compartment is retracted, said interior flap being deformable downward for clearance and said exterior flap being free for outward motion during extension of said extendible component, said interior flap being reformable upward for engagement with said outboard edge of said top, said exterior flap being disposed proximate thereto thereby forming said joint.