Volute Spring
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Volute Spring
A volute spring. Under compression the coils slide over each other, so affording longer travel.

A volute spring is a compression spring in the form of a cone (somewhat like a classical volute). Under compression, the coils slide past each other, thus enabling the spring to be compressed to a very short length in comparison with what would be possible with a more conventional helical spring.

The shape of the initial spring steel (or other material) is a "V", with the ends of the V at either end of the wound spring (which forms a distorted cylinder, of wider diameter at the centre), and the bottom point of the V at the centre.

Such springs can frequently be found as a component of garden secateurs. Short posts anchored in each side of the handles, and inserted into each narrow end of the spring, keep the spring in position.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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