FIELD: watches and other time measuring instruments.
SUBSTANCE: invention relates to clockwork mechanisms. Trigger clockwork mechanism (10) includes stopper (30) located between resonator (20) and trigger wheel assembly (40). Said wheel assembly (40) comprises magnetized track (50) with travel angular period (PD) through which its magnetic characteristics are repeated, wherein stopper (30) includes magnetized or ferromagnetic pole piece (3) movable in transverse direction (DT) with respect to movement direction (DD) of surface element (4) of said track (50), and pole piece (3) or said track (50) creates a magnetic field in pole gap (5) between pole piece (3) and said surface (4), wherein the pole piece (3) is positioned opposite magnetic field-generated barrier (46) on said track (50) just before each lateral movement of stopper (30) caused by the periodic action of resonator (20), wherein stopper (30) has several equilibrium positions and can occupy at least two of them.
EFFECT: optimized trigger mechanism is proposed.
22 cl, 28 dwg
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