lever escapement

American  

noun

Horology.

1. an escapement in which a pivoted lever, made to oscillate by the escape wheel, engages a balance staff and causes it to oscillate.

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Etymology

Origin of lever escapement

First recorded in 1830–40

Example Sentences

See Examples For:

lever escapement

The club-tooth lever escapement is really the most complicated escapement made.

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

There is another feature of the club-tooth lever escapement that next demands our attention which we have never seen discussed.

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

We will now, with our improved drawing instruments, resume the consideration of the ratchet-tooth lever escapement.

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

We have not noticed a draft of the lever escapement, especially with equidistant pallets and club teeth, which would act correctly in a watch.

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

The drawing of a ratchet-tooth lever escapement of eight and one-half degrees pallet action will now be resumed.

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