Yo-yo

Details Yo-yo Yo-yo

1974-11-13

1976-05-04

Mancene, Louis G.

A63H 130

Patent

active

039539369

ABSTRACT:
A Yo-Yo in which opposed circular body segments are respectively, monolithic, being formed of a unitary molded plastic element of generally uniform thickness. The body segments are complimentary, and are joined by an axle. Radiating from the inner end portion of the hub, each body segment is a flat disc which merges with the inner edge of a cylindrical spacer ring. The outer edge portion of the spacer ring an arcuate convex flange which extends over the outer surface of the ring. The inner surfaces of the opposed body segments extend parallel to each other, but then diverge toward the outer periphery to provide additional space for movement of the string without causing precession of the Yo-Yo. In the second embodiment, central caps close the exposed outer surface area of the body segments.

REFERENCES:
patent: 2629202 (1953-02-01), Stivers et al.
patent: 3256635 (1966-06-01), Radovan
patent: 3643373 (1972-02-01), Russell

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