DEVICE FOR AUTONOMOUSLY ADJUSTING THE ACTIVE LENGTH OF A BALANCE SPRING

A device (6) for autonomously adjusting the active length of a balance spring (5), for an oscillator (4, 5) of the sprung balance type, including a cock (12) mounted on a plate (13) of a horological movement (2) and in which cock a balance staff pivots, the balance spring (5) including an inner end...

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Bibliographische Detailangaben
Hauptverfasser:	BRAVO, Paulo, Cabezas Jurin, Andres
Format:	Patent
Sprache:	eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Beschreibung
Zusammenfassung:	A device (6) for autonomously adjusting the active length of a balance spring (5), for an oscillator (4, 5) of the sprung balance type, including a cock (12) mounted on a plate (13) of a horological movement (2) and in which cock a balance staff pivots, the balance spring (5) including an inner end integral with the balance staff and an outer end integral with a stud (8) fastened to a stud-holder (10), the stud-holder (10) being pivotally mounted on the cock (12) concentrically with the balance staff, and means for modifying the active length of the balance spring (5).