Springfree Trampoline is a company that manufactures recreational trampoline products and accessories. The design was created by Keith Vivian Alexander, a professor in the Mechanical Engineering Department at the University of Canterbury in Christchurch, New Zealand.[1]

History

After analysing trampoline data in 1992, Keith Vivian Alexander of Canterbury University, Christchurch, New Zealand, noted three major impact zones on the trampoline designed by George Nissen; These impact zones needed to be re-engineered to increase the trampoline's safety by changing the technology of the springs. These were:

  1. The springs – on the jumping surface.
  2. The steel frame – on the jumping surface/ jumpers may fall and injure themselves.
  3. The ground or obstructions on the ground – jumpers would hit as a result of falling off.

In 1999, he released his first prototype utilising glass-reinforced plastic rods and the first commercial versions began selling in late 2004. In 2009, Springfree Trampoline won an Australian Design Award.[2]

Design

Alternative Springfree trampoline

The Springfree trampoline's design includes the use of glass-reinforced plastic rods as opposed to the steel spring coils of a regular trampoline. The jumping surface is lowered around 450mm below the jumping surface of a traditional trampoline, and the base is also more rigid.

References

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