escape wheel

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.

escape wheel

noun

1. 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 Also calledscapewheel

Word History and Origins

Origin of escape wheel¹

First recorded in 1880–85

Example Sentences

In the escape wheel, the left arm of the pallet rests on the inclined top of one of the wheel teeth.

From Project Gutenberg

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

From Project Gutenberg

Fig. 128 is a top view of two teeth of a cylinder escape wheel.

From Project Gutenberg

The arc a, Fig. 9, represents the periphery of the escape wheel.

From Project Gutenberg

This last arc defines the addendum of the escape-wheel teeth.

From Project Gutenberg