OPTIMIZED ESCAPEMENT
First Claim
1. An escapement mechanism for a timepiece including a stopper between a resonator and an escape wheel set, wherein said escape wheel set includes at least one magnetized or ferromagnetic, or respectively, electrized or electrostatically conductive track with an angular period of travel over which the magnetic, or respectively, electrostatic characteristics thereof are repeated, said stopper including at least one magnetized or ferromagnetic, or respectively, electrized or electrostatically conductive pole shoe, said pole shoe being movable in a transverse direction relative to the direction of travel of at least one element of a surface of said track, and at least said pole shoe or said track creating a magnetic or electrostatic field in a pole gap between said at least one pole shoe and said at least one surface, and further wherein said pole shoe is confronted with a magnetic or electrostatic field barrier on said track just before each transverse motion of said stopper actuated by the periodic action of said resonator, and wherein said stopper is multistable and arranged to occupy at least two stable positions.
1 Assignment
0 Petitions
Accused Products
Abstract
Timepiece escapement mechanism (10) including a stopper (30) between a resonator (20) and an escape wheel set (40).
This wheel set (40) includes a magnetized track (50) with an angular period of travel (PD) over which its magnetic characteristics are repeated, this stopper (30) includes a magnetized or ferromagnetic pole shoe (3), mobile in a transverse direction (DT) relative to the direction of travel (DD) of an element of a surface (4) of this track (50), and this pole shoe (3) or this track (50) creates a magnetic field in a pole gap (5) between this pole shoe (3) and this surface (4), and this pole shoe (3) is opposite a magnetic field barrier (46) on this track (50) just before each transverse motion of this stopper (30) commanded by the periodic action of this resonator (20), this stopper (30) being multistable, arranged to occupy at least two stable positions.
9 Citations
22 Claims
- 1. An escapement mechanism for a timepiece including a stopper between a resonator and an escape wheel set, wherein said escape wheel set includes at least one magnetized or ferromagnetic, or respectively, electrized or electrostatically conductive track with an angular period of travel over which the magnetic, or respectively, electrostatic characteristics thereof are repeated, said stopper including at least one magnetized or ferromagnetic, or respectively, electrized or electrostatically conductive pole shoe, said pole shoe being movable in a transverse direction relative to the direction of travel of at least one element of a surface of said track, and at least said pole shoe or said track creating a magnetic or electrostatic field in a pole gap between said at least one pole shoe and said at least one surface, and further wherein said pole shoe is confronted with a magnetic or electrostatic field barrier on said track just before each transverse motion of said stopper actuated by the periodic action of said resonator, and wherein said stopper is multistable and arranged to occupy at least two stable positions.
Specification