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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.
Nissen set up a manufacturing plant for his company in England in 1956 headed up by Ted Blake an English trampoline pioneer, first in Hainault then Romford and finally Brentwood, Essex by the mid-1960s, and manufactured trampolines there for many years. Brentwood still has a thriving trampolining community but no longer a local factory.
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This data can help a carmaker determine its hiring, investment and production goals. For instance, when setting monthly production targets, a firm will review data on auto sales from the Bureau of ...
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]