coil spring

English

coil spring on an old steam locomotive

Noun

coil spring (plural coil springs)

1. A common type of mechanical spring in a form of a helix, manufactured in different styles and sizes for many different applications.
   • 1962 June, “The design of the S.R. electro-diesels”, in Modern Railways, page 395:

     The nests of coil springs at each end of the bolster, resting on the spring plank, are in line with the swing links between the swing plank and the one-piece fabricated bogie frame; [...].

Related terms

• coil-sprung

References

• “coil spring”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.