Patent ID: 9604123
Date: 2017-03-28
CPC Classifications: A63C,Y10T

Claim:
1. A truck comprising: (a) a baseplate for attaching the truck to a skateboard comprising a partial housing for a bushing having the shape of a polyhedron and a housing for a pivot kingpin assembly; (b) a hangar comprising a partial housing for a bushing having the shape of a polyhedron and an axle having ends that wheels can be affixed to; (c) a pivot kingpin assembly which fits into the housing for a pivot in the base-plate and the pivot having a cylindrical hole which the kingpin passes through; (d) a bushing having the shape of a polyhedron, a portion of which fits into the partial housing of the baseplate and a portion of which fits into the partial housing of the hangar and has a cylindrical hole through which the kingpin of the pivot kingpin assembly passes through attaching the hangar to the baseplate said truck having one or more of the following: (i) a baseplate with a partial housing for a bushing that is of a shape for partially housing a bushing having the shape of a polyhedron; (ii) wherein the baseplate has a housing for the pivot of the pivot kingpin assembly wherein the pivot has a shape of a cube or a rectangular cuboid and a cylindrical hole for housing the kingpin; a hangar with a non-circular partial housing for a bushing that is of a shape polyhedron; (iii) a non-circular bushing in the shape of a polyhedron; (iv) the pivot of the pivot kingpin assembly having a cylindrical hole through which the kingpin fits; (v) having the pivot is made of a semi-rigid elastic polymer; (vi) having a bushing that is a polyhedron having 2 or more filleted edges; and (vii) the kingpin of the pivot kingpin assembly and the corresponding features of the hangar and the baseplate are configured so that the axis of the kingpin is at an acute angle to the baseplate and a perpendicular angle to the axle of the hanger.