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

See Examples For:

balance staff

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

From BBC ● Jan. 13, 2022

Next 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 Edwin A. Battison

There are two kinds of pivots, known respectively as straight and conical pivots, but for the balance staff there is but one kind and that is the conical, which is illustrated in Fig.

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

The small circle at A represents the center of the pallet staff, and the one at B the center of the balance staff.

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