Patent ID: 6579142
Filing Date: 2003-06-17
Classification: A63H

Abstract:
A yo-yo comprising:a pair of body halves each connected to a hub assembly about an axis of rotation; each body half includes: an outer ring having an annular projection extending inwardly along an interior surface, and has a lip defined along one edge of the outer ring, an outside plate positioned within the outer ring, the outside plate having a groove along an exterior surface, the outside plate further having a notch defined along one edge of the outside plate and positioned to receive said lip of the outer ring when said outside plate is positioned within the outer ring; an inside plate positioned within the outer ring and positioned to face the hub assembly, the inside plate having a groove along an exterior surface, the inside plate further has a recess positioned on a surface facing the hub assembly, the recess having a shape substantially identical to a hub shape defined by a portion of the hub assembly such that when assembled said portion of said hub assembly is positioned within said recess; wherein the grooves of the outside and inside plate form an annular opening sized to accommodate the annular projection on the outer ring when the outside and inside plates are positioned within the outer ring and the hub assembly includes an axle, a bearing positioned on said axle, and a pair of hubs separately positioned on said axle on either side of the bearing, each hub having said hub shape and at least one bolt positioned towards and through the inside and outside plate.