US Patent 10335667 Removable assembly for a skateboard

A removable assembly for a skateboard comprises a base piece (1) configured for the fixing thereof to a board (40); an upper piece (7) configured for the fixing thereof in a removable manner to a wheel unit (36), the base piece (1) being coupled to the upper piece (7) such that they can rotate with respect to each other; and a torsion spring (6) arranged between the base piece (1) and the upper piece (7) to exert a force aimed at causing them to regain a neutral position.