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

Five jewels are found in most instances, two cap jewels and two hole jewels for the balance staff and a jeweled impulse pin.

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

There are many points worthy of consideration in the making of a balance staff that are too often neglected.

From A Treatise on Staff Making and Pivoting Containing Complete Directions for Making and Fitting New Staffs from the Raw Material by Hall, Eugene Edward

This impulse roller is staked directly on the balance staff, and its perfection of position assured by resting against the foot of the shoulder to which the balance is secured.

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