Patent classifications
G04B15/08
MAGNETIC ESCAPE WHEEL SET FOR TIMEPIECES
Watch with a timepiece movement, a resonator mechanism, including a magnetic escapement mechanism including an escape wheel set including a magnetized track, with a succession of areas according to a scrolling period in which its magnetic features are repeated, each area including an increasing magnetic field ramp followed by a magnetic field barrier with an increasing field and of higher field gradient that that of the ramp, the track includes a continuous, closed magnetic layer over the entire periphery of the escape wheel set, of constant thickness and variable width, whose geometry defines these magnetic field ramps and barriers, this escape wheel set cooperating with a sprung balance via a pivoting magnetic stop member comprising a pole piece arranged to cooperate alternately with an internal track and an external track of the magnetic layer.
Timepiece regulating mechanism with articulated resonators
A timepiece regulating mechanism including primary resonators each with an inertial weight suspended by flexible strips to a fixed structure with respect to which this weight pivots, and mechanical device of synchronizing the primary resonators which include, between the inertial weights, an articulated connection which, under normal conditions, allows pivoting of the inertial weights in opposite directions of rotation and with close rotation angles, and during a shock, prevents pivoting thereof in the same direction of rotation, the mechanism including an oscillator with a frictional rest escapement mechanism arranged to cooperate alternately with the primary resonators, on pallet stones of the inertial weights.
Timepiece regulating mechanism with articulated resonators
A timepiece regulating mechanism including primary resonators each with an inertial weight suspended by flexible strips to a fixed structure with respect to which this weight pivots, and mechanical device of synchronizing the primary resonators which include, between the inertial weights, an articulated connection which, under normal conditions, allows pivoting of the inertial weights in opposite directions of rotation and with close rotation angles, and during a shock, prevents pivoting thereof in the same direction of rotation, the mechanism including an oscillator with a frictional rest escapement mechanism arranged to cooperate alternately with the primary resonators, on pallet stones of the inertial weights.
Automatically starting and secured detent escapement for a timepiece
A horological detent escapement for a horological movement arranged to transmit a torque from said horological movement to an oscillating regulating organ of said horological movement, the regulating organ comprising a first mobile body and the escapement comprising a second mobile body and an escapement wheel. Said escapement wheel being arranged so as to transmit, during a half-phase of each oscillation of the regulating organ, a torque to said regulating organ via a direct impulse. The second mobile body comprises an indirect impulse means arranged so as to be in contact with the escapement wheel during normal operation and be out of contact during the other half-phase of each oscillation of the regulating organ when the escapement wheel does not transmit torque to the regulating organ, so as to transmit torque to said regulating organ via an indirect impulse, following an inadvertent movement or inadvertent stoppage of the horological movement.
Automatically starting and secured detent escapement for a timepiece
A horological detent escapement for a horological movement arranged to transmit a torque from said horological movement to an oscillating regulating organ of said horological movement, the regulating organ comprising a first mobile body and the escapement comprising a second mobile body and an escapement wheel. Said escapement wheel being arranged so as to transmit, during a half-phase of each oscillation of the regulating organ, a torque to said regulating organ via a direct impulse. The second mobile body comprises an indirect impulse means arranged so as to be in contact with the escapement wheel during normal operation and be out of contact during the other half-phase of each oscillation of the regulating organ when the escapement wheel does not transmit torque to the regulating organ, so as to transmit torque to said regulating organ via an indirect impulse, following an inadvertent movement or inadvertent stoppage of the horological movement.
MECHANICAL MOVEMENT WATCH WITH A FORCE CONTROL MECHANISM
A watch has a mechanical movement with a force control mechanism arranged in a going train of the mechanical movement between an energy source and an escape wheel set connected to an oscillating oscillator to drive the escape wheel set always in the same direction of rotation. The escape wheel set meshes with a seconds wheel. A rotating locking element is arranged to cooperate with a stop member connected to this seconds wheel in order to lock this going train in a stop mode or to release this going train in a jump mode depending on the angular position of this seconds wheel. A flexure bearing with elastic strips is attached on the one hand to the seconds wheel and on the other hand to the movement support. The pre-wound flexure bearing is arranged to drive in rotation the seconds wheel and the escapement mechanism connected to the oscillator at each half-oscillation of the oscillator in the stop mode.
MECHANICAL MOVEMENT WATCH WITH A FORCE CONTROL MECHANISM
A watch has a mechanical movement with a force control mechanism arranged in a going train of the mechanical movement between an energy source and an escape wheel set connected to an oscillating oscillator to drive the escape wheel set always in the same direction of rotation. The escape wheel set meshes with a seconds wheel. A rotating locking element is arranged to cooperate with a stop member connected to this seconds wheel in order to lock this going train in a stop mode or to release this going train in a jump mode depending on the angular position of this seconds wheel. A flexure bearing with elastic strips is attached on the one hand to the seconds wheel and on the other hand to the movement support. The pre-wound flexure bearing is arranged to drive in rotation the seconds wheel and the escapement mechanism connected to the oscillator at each half-oscillation of the oscillator in the stop mode.
Multi-cam, continuous-drive escapement mechanism
An escapement mechanism including a dual-forked lever having a pivot suitable for movement of the lever between a first pivot limit and a second pivot limit, and at least two rounded follower elements spaced from the pivot and at a predetermined distance from each other. At least one of the follower elements is mounted on each fork of the lever and each follower element lacks a locking face. At least one escape wheel has an outer periphery defining at least a first plurality of cam elements suitable to slidably contact and drive the rounded follower elements, and each cam element lacks a locking surface where contact is made with the follower elements.
Multi-cam, continuous-drive escapement mechanism
An escapement mechanism including a dual-forked lever having a pivot suitable for movement of the lever between a first pivot limit and a second pivot limit, and at least two rounded follower elements spaced from the pivot and at a predetermined distance from each other. At least one of the follower elements is mounted on each fork of the lever and each follower element lacks a locking face. At least one escape wheel has an outer periphery defining at least a first plurality of cam elements suitable to slidably contact and drive the rounded follower elements, and each cam element lacks a locking surface where contact is made with the follower elements.
NATURAL ESCAPEMENT FOR HOROLOGICAL MOVEMENT AND HOROLOGICAL MOVEMENT COMPRISING SUCH AN ESCAPEMENT
A natural escapement for horological movement including a balance that moves from a first extreme position to a second extreme position and vice versa by passing through a middle locking position, this balance including a balance wheel on an arbor of which is adjusted a balance plate, the natural escapement also including a first escape wheel set driven by a wheel set of the train of the horological movement and driving in turn a second escape wheel set, the first and second escape wheel sets forming a kinematic chain cooperating with an anchor, the balance plate carrying a second impulse pallet-stone which receives a driving impulse from the first escape wheel set during the first alternation, and a first impulse pallet-stone which receives a driving impulse from the second escape wheel set during the second alternation.