Patent ID: 6533364
Filing Date: 2003-03-18
Classification: A61G,B60B,F16C,Y02T

Abstract:
A hub for a wheel that is free-wheeling comprising, a cylindrical hub body that is open through the center thereof and includes means for mounting a wheel; cavities formed in said cylindrical hub body that are adjacent to opposite ends of said cylindrical hub body that are for seating radial bearings; a pair of identical radial bearings that each include inner and outer races with bearing means journaled therebetween and each said inner race is open therethrough to accommodate a straight axle; the straight axle is formed for fitting through each said radial bearing inner race; a pair of identical thrust bearings that are each formed to pass along said straight axle to where an inner face thereof contacts an outer surface of said radial bearing, with each said thrust bearing including a pair of like inner and outer disks that are fitted together along contacting outer surfaces with means for maintaining said inner and outer disks together along their contacting outer surfaces, and which said inner and outer disks include center openings that align and have spaced radial openings that align as pairs, with each pair of radial openings to receive a needle bearing journaled therein, with each said needle bearing to contact said radial bearing outer surface and a face of one of a pair of end cap means; and the pair of end cap means are each internally threaded to turn onto exterior threads of each straight axle end.