lever frame

noun

lever frame

noun

1

Rail transport, Railways, Transport A frame in a signal box in which levers that operate signals and points are mounted.

All layout remodelling and resignalling at Stafford has already been finished; the colour-light signals, with their route-indicators, and the power-operated points are operated from the lever frames of existing signalboxes.1962 October, “Talking of Trains: The L.M.R. electrification”, in Modern Railways, page 220:

Related terms: ground frame, locking frame

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