Patent ID: 8215621
Filing Date: 2012-07-10
Classification: F16F,Y10T

Abstract:
1. A spring comprising: a support structure that includes a plurality of coaxial rings, wherein said plurality of coaxial rings includes a first end ring, a second end ring and an intermediate ring between said first end ring and said second end ring; and a plurality of wires coupled via said support structure, each wire extending from the first ring to the second ring, each wire having an elasticity by which said wire is compressible to a first position at which first and second ends thereof are separated by a first distance and extensible in response to an internal spring force or stored energy to a second position at which said wire is substantially straight, such that said first and second ends are separated by a second distance, said second distance being substantially greater than said first distance, wherein said first end ring is retained by flanges on a first tube that is positioned inside said plurality of wires.