Patent ID: 7367572

Claim:
A skateboard, comprising: a footplate comprising a lower surface, the lower surface comprising a front end and a rear end; wheels attached at the front end and rear end of the lower surface; wherein the wheels are universal, the footplate comprising a front plate, a rear plate, and a rotatable torsional mechanism connecting the front plate and the rear plate, and a restriction element enclosing the torsional mechanism for restricting rotation range of the torsional mechanism, wherein the torsional mechanism comprises a front connection portion, a rear connection portion and at least an elastic element attached between the front connection portion and the rear connection portion, and the elastic element connects with the front plate and the rear plate via the front connection portion and the rear connection portion respectively, wherein the elastic element is plate configuration, and the front connection portion and the rear connection portion each defines a slot in one end thereof, and the elastic element is attached between the front connection portion and the rear connection portion, wherein the other end of each of the front connection portion and the rear connection portion defines a screw hole, and the front connection portion and the rear connection portion are attached on the front plate and the rear plate by extending a screw pole through corresponding screw hole, and wherein the front connection portion comprises an extending portion, and a cap is clasped between the extending portion and the front plate, and the cap comprises a top surface and a lower surface, and the extending portion, together with the top surface and the lower surface, prevents the cap from falling away, and the rear plate further comprises a binding hole.