Antitripping device for watch-escapement
AssigneeMontres Breguet S.A.
InventorsRaymond Gabus, Thierry Conus, Alain Zaugg, Andrés Cabezas Jurin
Life of this patent
Estimating the term…
Abstract
The anti-trip device is for a detent escapement mounted on a wristwatch. It includes a finger fixed to the arm of the balance, two columns between which the finger can pass, said columns being secured to the balance bridge, and a locking arm fixed to the outer coil of the balance spring, said locking arm being able to be inserted between said columns and said finger to prevent the balance from rotating beyond an angle exceeding its normal operating angle. The locking arm is a clamp hooked onto the outer coil of the balance spring.
Claims6
An anti-trip device for a timepiece escapement, said escapement including, amongst other elements, a balance spring made up of several coils and a balance provided with at least one arm, the balance being pivotably mounted between a plate and a bridge, said device including a finger fixed to the arm of the balance, at least one column by which the finger can pass when the balance is moving, said column being secured to the bridge of said balance, and a locking arm fixed to an outer coil of the balance spring, said locking arm being able to be inserted between said column and said finger to prevent the balance rotating beyond an angle exceeding its normal operating angle, wherein the locking arm is a clamp hooked onto the outer coil of the balance spring.
Dependencies are inferred from the claim text.