G04C3/08

Device for regulating the motion of a mechanical horological movement

A device regulating motion of a mechanical horological movement includes: a frame; a resonator attached to the frame and including a first annular magnetic structure including N1 magnets arranged regularly in a circle and a resilient structure; a second annular magnetic structure including N2 magnets defining a central axis about which the structure rotates, N2 being different than N1. The resonator is configured so that a resonant mode in which the first magnetic structure is subject to curvilinear, or substantially circular, translation about the central axis may be excited by rotation of the second magnetic structure. The two magnetic structures define a magnetic cycloid gear such that the regulating device incorporates a reducer of frequency between the resonance frequency and the rotational frequency of the second magnetic structure which is rigidly connected to an escapement wheel.

Isochronous timepiece resonator

A watch including a movement including itself an isochronous timepiece oscillator mechanism including a fixed support bearing a crosspiece carrying N primary resonators each including a weight carried by a rotating flexible bearing fixed to this crosspiece. Each primary resonator has a center of mass which, at rest, is on the virtual pivot axis of its rotating flexible bearing and is arranged to oscillate in rotation about this virtual pivot axis. The primary resonators are arranged in rotational symmetry of order N about a main axis parallel to the virtual pivot axes, and oscillating motions of any two primary resonators are phase shifted by the value of the central angle formed by their respective virtual pivot axes with the main axis.

Isochronous timepiece resonator

A watch including a movement including itself an isochronous timepiece oscillator mechanism including a fixed support bearing a crosspiece carrying N primary resonators each including a weight carried by a rotating flexible bearing fixed to this crosspiece. Each primary resonator has a center of mass which, at rest, is on the virtual pivot axis of its rotating flexible bearing and is arranged to oscillate in rotation about this virtual pivot axis. The primary resonators are arranged in rotational symmetry of order N about a main axis parallel to the virtual pivot axes, and oscillating motions of any two primary resonators are phase shifted by the value of the central angle formed by their respective virtual pivot axes with the main axis.

HIGH QUALITY FACTOR RESONATOR FOR MECHANICAL WATCHES

Movement including an escapement mechanism and a resonator including an inertial element subjected to the action of a flexible gimbal and cooperating with an escape wheel set pivoting about a main axis, which includes driving means cooperating in a continuous transmission of motion with complementary means of the inertial element in every angular position of the latter, the flexible gimbal tending to return these complementary means towards the main axis, and including elastic return means about axes orthogonal to the main axis and restricting the mobility of the inertial element in two rotational degrees of freedom, about a fixed position of the centre of inertia of the inertial element with respect to a plate.

HIGH QUALITY FACTOR RESONATOR FOR MECHANICAL WATCHES

Movement including an escapement mechanism and a resonator including an inertial element subjected to the action of a flexible gimbal and cooperating with an escape wheel set pivoting about a main axis, which includes driving means cooperating in a continuous transmission of motion with complementary means of the inertial element in every angular position of the latter, the flexible gimbal tending to return these complementary means towards the main axis, and including elastic return means about axes orthogonal to the main axis and restricting the mobility of the inertial element in two rotational degrees of freedom, about a fixed position of the centre of inertia of the inertial element with respect to a plate.

MECHANICAL TIMEPIECE MOVEMENT WITH A RESONATOR HAVING TWO DEGREES OF FREEDOM WITH A MAINTAINING MECHANISM USING A RUNNER ROLLING ON A TRACK

Timepiece movement for a mechanical watch, comprising, arranged on a main plate, a resonator mechanism with two degrees of freedom, and a maintaining mechanism subjected to the torque of driving means comprised in the movement, wherein this maintaining mechanism is a continuous maintaining mechanism, and includes a crank movable about a crank rotational axis, and which includes, on the crank rotational axis, an axial element subjected to the torque of driving means, and, off-centre relative to the crank rotational axis, a crankpin which is arranged to travel on a track of a stiff ring comprised in the resonator mechanism, this stiff ring being movable in the two degrees of freedom.

Timepiece regulating mechanism with magnetically synchronized rotating arms

A timepiece regulating mechanism including an escape wheel set subjected to a drive torque, and at least one resonator including a rigid structure connected to a plate by an elastic return and carrying at least one inertia arm cooperating with this escape wheel set via magnetically and/or electrically charged tracks comprised both in this inertia arm and in this escape wheel set, to form a synchronizing device between the escape wheel set and the resonator, and the synchronizing device is protected from loss of synchronization in the event of an accidental torque increase by a mechanical anti-desynchronization mechanism including mechanical escapement stops carried by the escape wheel set, and at least one mechanical inertia arm stop, carried by the inertia arm, and together arranged to maintain stopped in abutment in such event.

Timepiece regulating mechanism with magnetically synchronized rotating arms

A timepiece regulating mechanism including an escape wheel set subjected to a drive torque, and at least one resonator including a rigid structure connected to a plate by an elastic return and carrying at least one inertia arm cooperating with this escape wheel set via magnetically and/or electrically charged tracks comprised both in this inertia arm and in this escape wheel set, to form a synchronizing device between the escape wheel set and the resonator, and the synchronizing device is protected from loss of synchronization in the event of an accidental torque increase by a mechanical anti-desynchronization mechanism including mechanical escapement stops carried by the escape wheel set, and at least one mechanical inertia arm stop, carried by the inertia arm, and together arranged to maintain stopped in abutment in such event.

Device intended to control the angular speed of a train in a timepiece movement and including a magnetic escapement

There is provided a device for regulating the operation of a horological movement, including a magnetic escapement, which includes a resonator and a magnetic escapement mobile turning about an axis. The mobile includes at least one magnetic track with a plurality of magnets having an angular dimension that is greater than their radial dimension. The resonator includes at least one magnetic element for coupling to the magnetic track. The coupling element extends radially relative to the axis of rotation, and has a contour with a portion oriented substantially angularly when the resonator is in the rest position. When the mobile is driven in rotation, each magnet penetrates beneath the coupling element and gradually accumulates some potential magnetic energy. The magnet then exits from beneath the coupling element through the portion and the coupling element receives a pulse located around its rest position.

Device intended to control the angular speed of a train in a timepiece movement and including a magnetic escapement

There is provided a device for regulating the operation of a horological movement, including a magnetic escapement, which includes a resonator and a magnetic escapement mobile turning about an axis. The mobile includes at least one magnetic track with a plurality of magnets having an angular dimension that is greater than their radial dimension. The resonator includes at least one magnetic element for coupling to the magnetic track. The coupling element extends radially relative to the axis of rotation, and has a contour with a portion oriented substantially angularly when the resonator is in the rest position. When the mobile is driven in rotation, each magnet penetrates beneath the coupling element and gradually accumulates some potential magnetic energy. The magnet then exits from beneath the coupling element through the portion and the coupling element receives a pulse located around its rest position.