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

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

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

New balance staff, hole jewel, cap jewel, glass, and cleaned.

From Rules and Practice for Adjusting Watches by Kleinlein, Walter J.

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