1981-08-18
1984-03-20
Shay, F. Barry
A63H 130
Patent
active
044372612
ABSTRACT:
A toy capable of combined rotational and translational motion. Two parallel discs are connected through their centers by a single axle. The axle is supported from a string connected at a position between the two discs. Said string is of a twist-resistant type, offering a greater torsional resistance to twisting about the axis of the string than conventional yo-yo strings. The string may be anchored to the axle in a non-sleeping mode, or it may be looped around the axle allowing the yo-yo to sleep. In order to operate the toy, the end of the string opposite that which is connected to the yo-yo axle is held by the user, and an up-and-down gentle motion is imparted to the toy.
REFERENCES:
patent: 1864318 (1932-06-01), Powell
patent: 2773328 (1956-12-01), Fraenkel et al.
patent: 2975547 (1961-03-01), Greve
patent: 3207508 (1965-09-01), Klemke
patent: 3228140 (1966-01-01), White
patent: 4273275 (1981-06-01), Vadnais
Washington Star-News; Feb. 2, 1974, p. A-3; Assoc. Press item "Down . . . and Up".
Renner-Experimental Fun with the Yo-Yo-Dodd, Mead & Co., N.Y. .COPYRGT.1979-pp. 10,11,14,15,18,19.
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