coil spring
noun1
A common type of mechanical spring in a form of a helix, manufactured in different styles and sizes for many different applications.
- 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; [...].1962 June, “The design of the S.R. electro-diesels”, in Modern Railways, page 395:
- Related terms
- coil-sprung