Patent ID: 6672602
Filing Date: 2004-01-06
Classification: A63C,B62B

Abstract:
A gravity driven steerable wheeled vehicle comprising:a chassis having a front portion, a rear portion, an underside and a top side; a rider riding surface on said chassis top side configured to cause a rider on said rider riding surface to be oriented in a prone, face down, face forward position; means for attaching a rear axle assembly substantially at said chassis rear portion; means for mounting a front axle assembly substantially at said chassis front portion; means for steering said gravity driven steerable vehicle by said rider when said rider is positioned on said rider riding surface; at least one but not more than two rear wheel hub and spindle assemblies integral with said rear axle assembly, said rear axle assembly operably connecting a rear linkage geometry with said at least one but not more than two rear wheel hub and spindle assemblies; at least one but not more than two front wheel hub and spindle assemblies integral with said front axle assembly, said front axle assembly operably connecting a front linkage geometry with said at least one but not more than two front wheel hub and spindle assemblies; and means for retrofitting said gravity driven steerable wheeled vehicle with at least one ski assembly assembleable to at least one of said at least one but not more than two rear axle assemblies and said at least one but not more than two front axle assemblies, wherein said means for steering said gravity driven steerable wheeled vehicle comprises a steering system for steering said rear axle assembly.