Patent ID: 6056302
Filing Date: 2000-05-02
Classification: A63C

Abstract:
A skateboard and a skateboard truck assembly having the capability to perform grinding maneuvers relative to a grind surface comprising, in combination, a mounting plate for mounting said assembly to the underside of said skateboard, a mounting bracket attached to said mounting plate, said mounting bracket including an aperture therethrough for receiving a tension bolt for mounting said assembly to said skateboard, and an axle assembly with opposing ends and at least two wheels, each of said wheels being attached to a corresponding said opposing end of said axle assembly and having an outer radial tread surface, an interior sidewall and a hub including bearings therein, said axle assembly having an aperture therethrough for receiving said tension bolt to connect said axle assembly to said mounting bracket, and a concavely arcuate lower section with a concavely arcuate bottom surface, said lower section including a central arched portion and a first arm member and a second arm member extending outwardly in opposed directions from said central arched portion towards said wheels, said first arm member and said second arm member having respective first and second end portions flaring to generally conform to the shape of said interior sidewalls and the approximate radius of said wheels and positioned adjacent said wheel hubs whereby said bottom end portions each have a lowermost surface in substantially aligned relationship with the outer radial tread surface of each of said wheels, respectively, for improving board stability through a grinding maneuver and the controlled transition of the rider and said skateboard upon the dismount from the grind surface.