balance staff

American  

noun

Horology.

1. a pivoted axle or shaft on which the balance is mounted.

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Etymology

Origin of balance staff

First recorded in 1880–85

Example Sentences

Next acknowledged it was an "emotive topic" but said it had to balance staff and shareholder needs.

From BBC • Jan. 13, 2022

The company acknowledged it was an "emotive topic" but said it had to balance staff and shareholder needs.

From BBC • Jan. 13, 2022

The early escapements were all frictional escapements, i.e., the balance staff was never free from the influence of the train.

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 no jeweling in the escapement or on the other end of the balance staff.

From The Auburndale Watch Company First American Attempt Toward the Dollar Watch by Battison, Edwin A.

Our advice is to set both stones in places corresponding to the axis of the balance staff, and the escape-wheel mobiles.

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