US Patent 9827482 Skateboard deck

A skateboard deck comprising an elongate, fiber-reinforced thermoplastic injection molded body having top and bottom surfaces and including: a pair of spaced truck attachment bases integrally formed on the bottom surface and each associated with a respective end of said body; a substantially closed-loop, integral torsion member formed on the bottom surface of the body in a space between said truck attachment bases; and a pair of longitudinal stiffening ribs each formed integrally with the body, said truck attachment bases and said torsion member, said stiffening ribs and body being positively cambered whereby the body substantially flattens out under load in use.