escape wheel

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noun Horology.

a toothed wheel for regulating a going train to which it is geared, engaging intermittently with the pallets of a pendulum or balance mechanism in such a way as to cause the mechanism to oscillate rhythmically, and in so doing free the going train for part of each oscillation.

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Also called scape wheel.

Origin of escape wheel

First recorded in 1880–85

Words nearby escape wheel

escape road, escape routine, escape shaft, escape velocity, escapeway, escape wheel, escapism, escapist, escapologist, escapology, escargot

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use escape wheel in a sentence

In the escape wheel, the left arm of the pallet rests on the inclined top of one of the wheel teeth.
The Wonder Book of Knowledge|Various
GH, represents the primitive, which in this figure is also the real diameter of the escape wheel.
An Analysis of the Lever Escapement|H. R. Playtner
Fig. 128 is a top view of two teeth of a cylinder escape wheel.
Watch and Clock Escapements|Anonymous
The arc a, Fig. 9, represents the periphery of the escape wheel.
Watch and Clock Escapements|Anonymous

This last arc defines the addendum of the escape-wheel teeth.
Watch and Clock Escapements|Anonymous

British Dictionary definitions for escape wheel

escape wheel

noun

horology a toothed wheel that engages intermittently with a balance wheel or pendulum, causing the mechanism to oscillate and thereby moving the hands of a clock or watchAlso called: scapewheel

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012