Method for synchronization of two timepiece oscillators with one gear train
AssigneeETA SA Manufacture Horlogere Suisse
InventorsPascal Winkler, Davide Sarchi
Life of this patent
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Abstract
A timepiece regulating mechanism including, mounted to be movable, at least in a pivoting motion, with respect to a plate, an escape wheel configured to receive a drive torque via a gear train, a first oscillator including a first rigid structure, connected to the plate by a first flexible strip and a second flexible strip, crossed with each other, a second oscillator including a second rigid structure connected to the first rigid structure by a third flexible strip and a fourth flexible strip crossed with each other, and the second structure including a guide configured to cooperate with a complementary guide included in the escape wheel, synchronizing the first oscillator and the second oscillator with the gear train.
Claims27
A timepiece regulating mechanism comprising:
- a plate and, mounted to move at least in a pivoting motion with respect to the plate, an escape wheel, which pivots about an axis of escapement and is configured to receive a drive torque via a gear train;
- a first oscillator comprising a first rigid structure connected to the plate by first elastic return means;
- at least a second oscillator comprising a second rigid structure connected to the first rigid structure by second elastic return means configured to allow at least a pivoting motion of the second rigid structure with respect to the first rigid structure;
- wherein the second structure comprises guide means configured to cooperate with complementary guide means comprised in the escape wheel, together forming a motion transmission means for synchronizing the first oscillator and the second oscillator with the gear train, wherein the second rigid structure is mounted to pivot on a periphery of the first rigid structure.
Dependencies are inferred from the claim text.