There are ancient Greek yo-yos made of terra cotta in museums in Athens and yo-yos are pictured on the walls of Egyptian temples. The Yo-Yo is known to have been popular with such important warriors as Napoleon and the Duke of Wellington. First patented in 1866 by James L. Haven and Charles Hettrich, the Yo-Yo has enjoyed periods of popularity for generations with kids from 1 - 100.
Original Duncan Yo-Yo " O-Boy Yo-Yo Toy" circa 1930 |
He started a company to make the toys, calling it the Flores Yo-Yo Company.
The first modern yo-yos were introduced in the United States by Donald F. Duncan in the late 1920s. In 1929, Donald F. Duncan bought the company from Flores, acquiring not only a unique toy, but also the magic name "yo-yo." About this time, Duncan introduced the looped slip-string, which allows the yo-yo to sleep - a necessity for advanced tricks. He is credited with popularizing (though probably not inventing) the slip-string yo-yo, which enables a yo-yo to "sleep."
The yo-yo first became popular in the 1930s, when Duncan sent out teams of traveling yo-yo men (not women, mind you) who would spend three, four, and five weeks in cities and towns across America, teaching tricks, selling yo-yos, and running contests.
The 1970s and 1980s saw a number of innovations in yo-yo technology, primarily dealing with the connection between the string and the axle.
In 1978, dentist and yo-yo celebrity Tom Kuhn patented the “No Jive 3-in-1” yo-yo, creating the world's first "take-apart" yo-yo, which enabled yo-yo players to change the axle.
Swedish bearing company SKF briefly manufactured novelty yo-yos with ball bearings in 1984.
Tom Kuhn introduced the SB-2 yo-yo that had an aluminum transaxle, making it the first successful ball-bearing yo-yo. In all transaxle yo-yos, ball bearings significantly reduce friction when the yo-yo is spinning, enabling longer and more complex tricks. Subsequent yo-yoers used this ability to their advantage, creating new tricks that had not been possible with fixed-axle designs.
Useful links:
* Fascinating facts about the invention of the Yo-Yo
* Lucky's History of the Yo-Yo
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