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AssigneeThe Swatch Group Research and Development Ltd
InventorsMohammad Hussein KAHROBAIYAN, Gianni DI DOMENICO
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A stud-holder for a regulating member (150) of a horological movement, the regulating member (150) including an inertial mass, for example a balance (41), a balance spring (44) including a strip wound about itself in several turns, and a balance cock (42), the stud-holder (120) including a main body (2) intended to be mounted on the balance cock (42), and a secondary body (3) arranged at a distance from the main body (2) and configured to suspend the balance spring (44), the regulating member (150) including a flexible element (5) connecting the main body (2) to the secondary body (3), the stud-holder (120) including prestressing device (6) for applying a variable force or torque to the flexible element (5) in order to adjust the rate and/or isochronism slope of the regulating member (150).
A stud-holder for a regulating member of a horological movement, the regulating member comprising an inertial mass, for example a balance, a balance spring comprising a strip wound about itself in several turns, and a balance cock, the stud-holder comprising a main body intended to be mounted on the balance cock, and a secondary body arranged at a distance from the main body and configured to suspend the balance spring, the regulating member comprising a flexible element connecting the main body to the secondary body, wherein the stud-holder comprises prestressing means for applying a variable force or torque to the flexible element in order to adjust the rate and/or isochronism slope of the regulating member.
Dependencies are inferred from the claim text.