Gibson ring

noun

Gibson ring

noun

Etymology After its inventor, J. Gibson of the British Great Western Railway.

1

Rail transport, Railways, Transport A retaining ring used to fit a steel tire/tyre to the wheel of rolling stock.

The tyres of the five pairs of coupled wheels are secured to the cast-steel centres by Gibson rings.1954 March, “New Class "9" 2-10-0 Locomotives”, in Railway Magazine, page 166:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.