lever escapement

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.

Word History and Origins

Origin of lever escapement¹

First recorded in 1830–40

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg