lever escapement

noun

, Horology.

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

First recorded in 1830–40

The correct delineation of the lever escapement is a very important matter.

We will now take up the club-tooth form of the lever escapement.

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

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

We shall next consider the ratchet-tooth lever escapement with circular pallets and ten degrees of pallet action.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Browse