Patent ID: 8474871

Claim:
A frame for recreational vehicles comprising: a pair of oppositely spaced longitudinal frame members, including notches completely therethrough, said longitudinal frame members having a foam core in direct contact with a woven fiber fabric on an exterior of said longitudinal frame members, said longitudinal frame members including fabric flaps extending therefrom; a plurality of transverse stringers having a foam core in direct contact with a woven fiber fabric on an exterior of said stringers and said stringers resting in said notches of said longitudinal frame members, said stringers being complementary to said notches in said longitudinal frame members and said stringers including fabric flaps extending along their length on opposite sides, said stringers extending completely through said longitudinal frame members, said flaps on said longitudinal frame members and said stringers in overlapping contact; a deck covering said stringers and said longitudinal frame members, said deck including a layer of fabric and said flaps on said stringers contacting said deck, said flaps on said longitudinal members overlapping onto said flaps on said stringers, said stringers, said flaps, and said longitudinal frame members being impregnated with resin so that said flaps on said stringers, said flaps on said longitudinal members and said layer of fabric of said deck form an integral structure after said resin is cured.