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The Springfree trampoline's design includes the use of glass-reinforced plastic rods articulating below the jumping surface, as opposed to the radiating steel spring coils of a Nissen trampoline. The jumping surface is lowered around 450mm below the jumping surface of a traditional trampoline, and the base's rigidity is derived from a tubular ...
Keith Vivian Alexander is a New Zealand mechanical engineer and inventor. He is a professor of mechanical engineering at the University of Canterbury, in Christchurch, [1] and the inventor of the springfree trampoline.
Vuly released the Thunder trampoline in all markets during 2013, which secured them a US distribution contract with retailer, Toys 'R' Us. [8] Competitor Springfree Trampolines filed a complaint in 2013 with the United States International Trade Commission, for alleged patent infringement upon its soft-edge trampolines. [9]
JumpSport expanded their line to include fitness trampolines in 2008. [10] In 2011, they extended into the age 2–5 market with the introduction of the "iBounce" trampoline with integrated iPad/tablet holder. [13]
Sky Zone is a Provo, Utah–based company that operates indoor trampoline parks.The company is often erroneously credited with opening the first indoor trampoline park in 2004 (although it was not the first), [1] and is controversial for the number of injuries that have occurred in its parks.
Let’s say the trick is a double cork 1080. 720 degrees are used for the two flip rotations, since it is a double, and the remaining 360 are used for a twist. You are allowed to put the twist anywhere you want in the double flip, which means in trampoline terms a double cork 1080 could be an off axis full in, full out or half half. Now for the ...
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