escape wheel

American  

noun

Horology.

1. 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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escape wheel British  

noun

1. Also called: scapewheel.  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 watch

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Etymology

Origin of escape wheel

First recorded in 1880–85

Example Sentences

See Examples For:

escape wheel

Chopard’s L.U.C 8HF, also released this year, uses silicon for certain escapement components, including the escape wheel.

From New York Times ● Nov. 23, 2012

In this drawing it is not important that the entire escape wheel be shown, inasmuch as we have really to do with but a little over sixty degrees of the periphery of the escape wheel.

From Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology by Anonymous

The top pivots to the escape wheel should be capped with imitation rubies for appearance sake only, letting the cap settings be red gold, or brass red gilded.

From Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology by Anonymous

GH, represents the primitive, which in this figure is also the real diameter of the escape wheel.

From An Analysis of the Lever Escapement by Playtner, H. R.

We shall next describe an instrument for holding the escape wheel and pallets while adjusting them.

From Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology by Anonymous