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A seated jumping device

[Category : - Toys and games- Fitness]
[Viewed 1799 times]

Current jumping toys which propel the rider to a significant height, are of two types: Jumping stilts, and Pogo sticks. While offering impressive acrobatics, the stilts are extremely dangerous, as one cannot bail out from them when losing balance. Moreover, the extended shin created by the stilt, generates an unhealthy load on the rider's knees even without falling. This limits the height of the stilts, necessitating a stiff spring in order to achieve significant jumping heights and, consequently, the load on the body becomes severe (~8 g).
The Pogo stick, which is connected to the rider at two much more distant points than in the stilts, solves the problem of the load on the knees, but at the cost of eliminating the most important balancing aid - the hands of the rider.
In our new design, the rider enjoys from both worlds: no unhealthy load on knees, easy bailing, and free hands which act as a `tail'. Additionally, the riding experience if of a completely different type - unlike the standard one common to all jumping devices, including stationary ones such as a trampoline and, as a result, for the same jumping height, a three times reduction in the load on the body is achieved. Moreover, as the main force on the body is applied to its center-of-mass via the seat, it is nearly impossible to "flip over" as often happens with stilts and Pogos.
The new device is remarkably simple to master, provides a full body workout and comes with an adjustable air spring which can be tuned to a large range of jumper's weights.
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We are interested to sell/licence the invention. We can also offer technical assistance in bringing the invention to the market (we are a Ph.D in mechanical engineering and a physicist).
Financial issues, as well as patent status, will be discussed directly with potential buyers.

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yonatan (Israel)

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