EP2450756B1 - Dispositif anti-galop pour mécanisme d'échappement - Google Patents

Dispositif anti-galop pour mécanisme d'échappement Download PDF

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Publication number
EP2450756B1
EP2450756B1 EP10189998.7A EP10189998A EP2450756B1 EP 2450756 B1 EP2450756 B1 EP 2450756B1 EP 10189998 A EP10189998 A EP 10189998A EP 2450756 B1 EP2450756 B1 EP 2450756B1
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EP
European Patent Office
Prior art keywords
pivoting
pivot axis
cam
balance
guide means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10189998.7A
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German (de)
English (en)
French (fr)
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EP2450756A1 (fr
Inventor
Arthur Queval
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP10189998.7A priority Critical patent/EP2450756B1/fr
Priority to TW100136075A priority patent/TWI534567B/zh
Priority to US13/271,734 priority patent/US8602637B2/en
Priority to RU2011144809/12A priority patent/RU2570493C2/ru
Priority to JP2011242018A priority patent/JP5351238B2/ja
Priority to CN201110345370.5A priority patent/CN102467072B/zh
Publication of EP2450756A1 publication Critical patent/EP2450756A1/fr
Priority to HK12111952.9A priority patent/HK1171271A1/xx
Application granted granted Critical
Publication of EP2450756B1 publication Critical patent/EP2450756B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements

Definitions

  • the invention relates to an anti-gallop device for an escapement mechanism arranged to cooperate with a rocker pivoting about a first axis of pivoting position fixed relative to a plate.
  • the invention also relates to an escapement mechanism comprising, pivotally movable with respect to a plate, at least one rocker pivoting about a balance shaft.
  • the invention also relates to a watch movement comprising at least one such escape mechanism.
  • the invention also relates to a timepiece comprising at least one such watch movement or / and at least one such escape mechanism.
  • the invention relates to the field of watchmaking, in particular the field of escape mechanisms, and more particularly the field of relaxation escapements.
  • the trigger escapement mechanisms are considered the most accurate, and have long been reserved for marine chronometers.
  • gallop has the effect of distorting the isochronism of the oscillator.
  • the patent EP 1 708 047 in the name of WATCHES BREGUET SA describes a rocker having an arm carrying both a first finger to cooperate with the second actuating finger, and a beaked probe cooperating with a notched cam similar to the previous.
  • the first finger drives the second finger to disengage the pallets or rest of the escape wheel.
  • the spout of the arm-probe is then driven by a rising edge of the notched cam, to re-engage the locking means in the escape wheel.
  • the rocker pivots in the opposite direction the first finger drives the second finger to maintain the locking means engaged in the escape wheel.
  • this mechanism comprises two juxtaposed rest palettes comprising contiguous but non-aligned resting planes, which makes it possible to accommodate the tip of the wheel tooth. exhaust on a line of rest at the junction of these rest planes, creating a pull effect to overcome any stop pin.
  • the rest plan of the stopping pallet closest to the escape wheel is in effect before the tooth, and prevents him from continuing on his way.
  • the patent EP 1 708 046 on behalf of WATCHES BREGUET SA discloses a safety finger fixed on the balance plate, and arranged to cooperate with the teeth of the escape wheel and block if the pulse pallet was to be released by accident of the teeth of wheel. This arrangement prevents any panic of the escape wheel in the event of shock resulting in the reversal of the direction of rotation of the trays at the precise moment of the impulse of the wheel. The encounter of a tooth of the wheel with this safety finger blocks the wheel, brings back the trays in the correct direction of rotation.
  • a first mobile is subjected to a periodic torque, obtained for example by a rotor mounted in a stator.
  • This first mobile comprises, firstly in a base plane a first wheel having teething gaps on its periphery, and secondly on a second plane a first blocker having a plurality of fingers and adapted to block a release lever that includes a balance plate, in a first pivoting direction of this last.
  • This first mobile cooperates, depending on its position, either by the first blocker, or by its first wheel, with a second mobile.
  • This second mobile comprises, in the base plane, a second wheel having teething gaps, in the second plane a shaped piece having a plurality of fingers and adapted to lock the release lever of the balance plate, in a second pivoting direction. opposed to the first, and the second mobile further comprises, in a first plane parallel to the previous plans a locking piece.
  • This second mobile cooperates, depending on its position, either by the locking piece or by its second wheel, with an escape wheel, which comprises, in the base plane, a toothed wheel having teething gaps, and in the first plan impulse wheel receiving a continuous mechanical torque such as that of a cylinder, similar to a conventional escape wheel, and adapted to cooperate with a lever pulse that includes the balance plate, to maintain the movement of oscillation of this denier.
  • the locking pieces, or of shape, or the teeth cooperate with each other, so that the device has, for each revolution of rotation of the first axis, four stable locking positions, between which it has so many unlocking positions.
  • the combination of two locking means and two means of unlocking the mechanical torque, and the particular sequence imposing an unlocking operation between two blocking operations realize the prevention of any runaway or gallop in case of impact on the mechanism.
  • Such a mechanism is complex, relatively expensive, and unfolds in several planes, which makes its thickness significant.
  • a large platform of the balance typically carries a pulse pallet, preceded by a first recess, and followed by a second recess, to allow the release of the pallet rest when the release pallet rotates the trigger rocker.
  • the choice of a particular geometry both in terms of the positioning of the pallet of rest and the pallet of impulse in quasi-symmetry of the line of the centers of the escape wheel and the pendulum during the phase of rest, which 'at the fork formed by the finger and the free end of the leaf spring, limit the disruptive effect related to the inertia of the trigger on the pendulum oscillations.
  • the amplitude of the pivoting movements of the trigger in case of shock, is limited by the interaction of the pallet rest and large plateau.
  • this mechanism comprises an anti-gallop rocker, in the vicinity of the small plate, pivotally mounted on the movement between two stable end positions held by a jumper on stops with which can cooperate a first end, and a fork-shaped second end interacts with the release pallet: at each passage through the fork, the release pallet exerts pressure to tilt the anti-gallop rocker from one to the other of its stable positions.
  • the fork is thus two stops for the small plateau in case of galloping, and prevents the pendulum to do more than one turn in pivoting.
  • the document EP 1 860 511 in the name of Christophe Claret SA describes a moving bridge movement, providing protection against side impacts of a detent escapement.
  • This movable bridge carries the pivot axis of the sprung balance, the pivot axis of the escape wheel, the pivot axis of the trigger, and a part of the finishing gear. It is rotated elastically on the axis of one of the wheels of the cogwheel finishing, for example the second wheel. Forces, such as a side impact, capable of disengaging the pallet of rest, then drive the movable bridge in its entirety, and the relative positions of the trigger and the escape wheel are maintained. Thus, a constant step of the exhaust is ensured.
  • This movable bridge can, again, be damped by a damping system that allows to dissipate some of the energy due to impact.
  • the patent application CH 700 091 in the name of Christophe Claret SA describes a detent escapement, with a trigger rocker pivotally mounted on a spiral spring and cooperating at the other end with a first recessed spring blade in the vicinity of the pivot.
  • the balance plate has two separate pallets.
  • a movable member disposed on the opposite side of the escape wheel, relative to the trigger rocker, carries a pivoting cam, holding a cam spring blade, and biased toward the trigger by a spiral spring at a stop position. This cam is arranged to cooperate the cam spring-blade, or in a first state with the end of the load-bearing latch of the leaf spring, or in a second state with the pallets of release of the balance.
  • the first release pallet is arranged to cooperate with the first leaf spring and operate the trigger when the first paddle crosses the first blade in a first direction, and to cooperate only with the first blade and without actuating the trigger when it crosses in the opposite direction.
  • the cam in its first state, cooperates with the trigger to limit the movements thereof.
  • the second clearance pallet is arranged to move the cam into its second state where the trigger is free to perform its release and release the exhaust wheel tooth of the pallet rest.
  • the two clearance pallets are close together, and arranged in such a way that the cam is brought into its second state just before the detent makes its release.
  • the spiral return cam spring stronger than the cam spring blade, tends to return the cam to its first state.
  • the cam in its first state, is positioned to oppose everything inadvertent movement of the trigger that would result in an untimely release of the pallet rest, and the exhaust is less sensitive to the effects of a shock.
  • the adjustment of this mechanism is difficult because it depends on the characteristics of the springs it comprises, the number of at least three.
  • the patent application EP 2,224,292 in the name of Rolex SA discloses a direct impulse escapement, including expansion. Its trigger rocker is arranged in a particular way, pivoting between two stops, it has, turned towards the escape wheel, a finger successively comprising a stop surface serving as a pallet of rest, a safety surface which, depending on the position of pivoting of the rocker, interferes or not with the trajectory of the escape wheel, and a sliding surface which forces the rocker to tilt, during the pivoting of the escape wheel, in order to reduce the sliding surface and therefore the stop surface in the interference zone with the escape wheel to stop the pivoting thereof.
  • the balance plate conventionally comprises a pulse pallet and a release finger.
  • the rocker During the alternation in a first pivoting direction of the balance, the rocker is in a first pivoted position in abutment which leaves the passage to the release finger, while in the other alternation in the other direction of pivoting, the pivoted rocker in another abutment position encounters, at a resilient clearance element that it comprises, the release finger.
  • the elastic travel of this resilient release member allows the balance to continue its course, the pulse pallet passes between two adjacent teeth of the escape wheel. Shortly afterwards, the balance is stopped by its spring-spiral and pivots in opposite directions.
  • the rocker remains braced on its stop, and the stop surface of the rocker slides on the tooth of the escape wheel that keeps it in stop.
  • the safety of this mechanism is ensured by the arrangement of the finger of the rocker, with a stop surface and a sliding surface which penetrate alternately in the path of the toothing of the escape wheel.
  • the length of the safety surface between the stop surface and the sliding surface corresponds to the angle traveled by the wheel to communicate the driving energy to the balance, to prevent the premature return of the stop element in the path of the wheel , which constitutes a complementary security. Part of the energy of the cylinder is however consumed in friction during the sliding phase.
  • the document EP 1 645 918 in the name of MONTRES BREGUET SA describes such a mechanism, comprising a finger fixed on an arm of the balance.
  • the balance bridge has two columns, between which can pass this finger.
  • a locking arm is fixed on the outer turn of the spiral, in particular by pinching, and is likely, when the pendulum tends to pack under the effect of a shock, and exceed its normal amplitude, to come in support on the columns to prohibit the passage of the finger.
  • the invention proposes to overcome the shortcomings of the prior art, by proposing a mechanism that is both simple and reliable, inexpensive, and easily adaptable to existing exhaust mechanisms.
  • the invention relates to an anti-gallop device for an escapement mechanism arranged to cooperate with a rocker pivoting about a first axis of pivoting of fixed position relative to a plate, characterized in that said device comprises, movable pivoting about a second pivot axis parallel to said first axis of pivoting and fixed position relative to said plate, a pivoting mobile having a guide means, said device also comprising a plate arranged to be fixed to said pendulum solidarity pivoting with it, said plate comprising a complementary guiding means arranged to cooperate with said guide means, and further characterized in that said guiding means, or respectively said complementary guiding means, comprises a cam with a cam track, said cam arranged to bring said pivoting mobile to said first pivot axis when said balance pivots in a first pivoting direction, and for moving said pivoting mobile member away from said first pivot axis when said rocker pivots in a second pivoting direction opposite to said first pivoting direction, while said complementary guide means, or said guide means, respectively, comprises a fixed
  • said cam is limited by a first limit stop near the axis of pivoting of the component which carries said cam, and by a second limit stop further away than said first stop. end of travel of the pivot axis of the component carrying said cam, so as to immobilize said balance when reaching said first limit stop or said second limit stop.
  • said complementary guiding means comprises a cam track arranged with a radially increasing radius, or with an increasing radius with radial growth levels, around said first axis.
  • pivoting means and said guide means comprises a finger pin arranged to cooperate with said cam track.
  • the invention also relates to an escapement mechanism comprising, pivotally movable relative to a plate, at least one rocker pivoting about a balance shaft, characterized in that it is a trigger escapement mechanism, and in that it comprises such an anti-gallop device, said pivoting mobile is pivotally mounted about a second pivot axis parallel to said first axis of pivoting and fixed position relative to said platen.
  • the invention also relates to a watch movement comprising at least one such escape mechanism.
  • the invention also relates to a timepiece comprising at least one such watch movement oulet at least one such escapement mechanism.
  • the invention relates to the field of watchmaking.
  • the invention relates to an anti-gallop device 1 for escape mechanism 10, which is arranged to cooperate with a balance 2 pivoting about a first pivot axis D1 fixed position relative to a plate.
  • the device 1 comprises, pivotally movable about a second pivot axis D2 parallel to this first pivot axis D1, and fixed position relative to the plate, a pivoting mobile 5.
  • This mobile 5 comprises a guide means 7, which is arranged to cooperate with a complementary guide means 9 that comprises a plate 3 arranged to be fixed to the rocker 2 integrally pivotally with it.
  • the guiding means 7, or respectively the complementary guiding means 9 in another embodiment, comprises a cam, which is arranged to bring the pivoting mobile 5 to the first pivot axis D1 when the rocker pivots in a first pivoting direction. B1, and to move the pivoting mobile 5 away from the first axis of pivoting D1 when the rocker pivots in a second pivoting direction B2 opposite the first pivoting direction B1.
  • the complementary guiding means 9, or respectively the guiding means 7 comprises a fixed finger arranged to cooperate with the cam.
  • the cam is carried by the plate 3 fixed to the rocker 2. But the reverse configuration is also feasible.
  • the cam is limited on either side, firstly by a first limit stop 11 close to the pivot axis of the component carrying the cam, and secondly by a second end stop stroke 12 more distant than the first limit stop of the pivot axis of the component carrying the cam, so as to immobilize the balance 2 when reaching the first limit stop 11 or the second end stop 12.
  • the guiding means 7 is a mobile pin 71, which runs along a cam track 91 of the cam 9, constituted by a groove formed in the plate 3.
  • the tangent T thus passes through the axis 4 which constitutes the pivot of the mobile pivot 5 along the pivot axis D2, as visible on the Figures 3 and 4 .
  • This particular arrangement makes it possible to pass through this axis the direction of the vector of the force exerted by the rocker abutting on the pin of mobile 71 by means of one of the two end stops. race 11 or 12, and thus to create a zero torque on the pivoting mobile 5, while blocking the pivoting of the balance 2, thus preventing it from performing any additional revolution in case of shock.
  • the complementary guide means 9 comprises a cam track 91 arranged with a radially increasing radius, or with an increasing radius with radial growth bearings, around the first pivot axis D1, and the means 7 comprises a pin 71 forming a finger arranged to cooperate with the cam track 91.
  • the pin 71 is movable with a radial clearance J in the cam track 91.
  • a tribological surface treatment at the cam track 91 and / or the pin 71 further advantageously makes it possible to reduce these losses. friction.
  • the anti-gallop device 1 is of interest only in case of shock and runaway balance 2. In normal operation, that is to say in a rest position where the pin 71 occupies an intermediate position between the stops 11 and 12, as visible on the figure 1 or 2 the anti-gallop device 1 must consume as little energy as possible.
  • the cam has a cam track 91 spiraling about the first pivot axis D1.
  • this spiral is dimensioned and positioned relative to the pivot axis D2 so that a line joining the second pivot axis D2 to an axis 72 that includes the guide means 7 is tangent to the average profile. of the spiral in any position of the guide means 7.
  • the cam comprises a cam track 91 comprising a plurality of circular sectors of revolution about the first pivot axis D1, connected in pairs by a transition zone 13 with a radially increasing radius.
  • the figure 5 thus shows two zones of respective radii R1 and R2. It is understood that, when the pin 71 runs through these sections of revolution about the pivot axis D1, it is not subjected to any radial forces, and friction losses are minimal or even zero.
  • the pivoting wheel 5 comprises a balancing zone 8, which is preferably arranged to dynamically balance the pivoting wheel 5 around the second pivot axis D2, up to a maximum angular speed of rotation determined by the angular velocity pivoting of the balance 2 about the first pivot axis D1 on the one hand, and secondly by the combination between a first constant lever arm constituted by the distance between the second pivot axis D2 to an axis 72 that comprises the guide means 7 and a second variable lever arm constituted by the distance between the first pivot axis D1 to the axis 72.
  • the balancing zone 8 is defined by a simple static balancing.
  • the pivoting mobile 5 and / or the plate 3 is made of a micro-machinable material, or silicon, or quartz, or one of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the DRIE or "LIGA” method, or an at least partially amorphous material.
  • the areas of the pivoting mobile 5 and the plate 3 subjected to shocks in case of runaway balance can be arranged, as visible on the Figures 6 and 7 .
  • the plateau 3 of the figure 6 comprises, in the vicinity of each of the first limit stop 11 and second limit stop 12, at least one chamber 14 defining at least one elastic partition 15 arranged to cash the tangential force during an impact, and prevent thus any deterioration of the structure concerned, or comprises, as shown, a plurality of such chambers 14, emerging or not, defining elastic partitions 15 arranged to cash the tangential force during impact.
  • the figure 7 shows the end of an arm 6 that comprises the pivoting mobile 5.
  • This arm 6 is similarly equipped with at least one chamber 14 defining at least one elastic partition 15 arranged to cash the tangential force when a shock, or a plurality of such chambers 14 defining resilient partitions 15.
  • the mobile pin 71 is shown fixed in a groove 73, which may include pre-machined housings to adapt the positioning of the pin 71 according to the exhaust on which the pivoting mobile 5 is installed, and according to the plate 3 used.
  • such elastic partitions can be arranged also in the vicinity of the center of the spiral, or on the actual finger.
  • the swivel mobile 5 comprises an arm with a flip-flop, where the holding in each of the two stable positions is ensured, either by the cooperation of a notch with an elastic return means such as a spring, either by the cooperation of the magnet with another magnet or a pallet of magnetic material such as soft iron, or the like.
  • the pivoting mobile can thus be on an elastic pivot, and comprise a bistable elastic blade, for example with two concave spokes, to define two stable positions.
  • the invention also relates to an escapement mechanism 10 comprising, pivotally movable relative to a plate, at least one rocker 2 pivoting about a balance shaft D1.
  • this mechanism 10 is a trigger escapement mechanism, and it comprises an anti-gallop device 1 according to the invention, whose pivoting mobile 5 is pivotally mounted about a second pivot axis D2. parallel to the first pivot axis D1 and fixed position relative to the platen.
  • the plate 3 is made in one piece with the balance 2.
  • the assembly consisting of the rocker 2 and the plate 3 is preferably monobloc, and is made of a micro-machinable material, or silicon, or quartz or one of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the DRIE or "LIGA” method, or an at least partially amorphous material.
  • This assembly can also be made in one piece with a spiral spring, as described in the European patent application. EP 2 104 008 in the name of the plaintiff.
  • the invention also relates to a watch movement comprising at least one such escape mechanism 10.
  • the invention also relates to a timepiece comprising at least one such watch movement, and / or at least one such exhaust mechanism 10.
  • the invention thus offers a reliable solution, very easy to implement, which has the advantage of being applicable to any existing expansion escapement model at the cost of minor modifications consisting in the fixing of a plate on the balance shaft, and the attachment of a mobile pivoting on the plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Micromachines (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Control Devices (AREA)
  • Vibration Dampers (AREA)
  • Motorcycle And Bicycle Frame (AREA)
EP10189998.7A 2010-11-04 2010-11-04 Dispositif anti-galop pour mécanisme d'échappement Active EP2450756B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP10189998.7A EP2450756B1 (fr) 2010-11-04 2010-11-04 Dispositif anti-galop pour mécanisme d'échappement
TW100136075A TWI534567B (zh) 2010-11-04 2011-10-05 用於擒縱機構的防脫扣裝置
US13/271,734 US8602637B2 (en) 2010-11-04 2011-10-12 Anti-trip device for an escape mechanism
RU2011144809/12A RU2570493C2 (ru) 2010-11-04 2011-11-03 Противоразъединяющее устройство для анкерного механизма
JP2011242018A JP5351238B2 (ja) 2010-11-04 2011-11-04 脱進機構用の歯飛び防止装置
CN201110345370.5A CN102467072B (zh) 2010-11-04 2011-11-04 用于擒纵机构的抗脱扣装置
HK12111952.9A HK1171271A1 (en) 2010-11-04 2012-11-22 Anti-trip device for an escape mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10189998.7A EP2450756B1 (fr) 2010-11-04 2010-11-04 Dispositif anti-galop pour mécanisme d'échappement

Publications (2)

Publication Number Publication Date
EP2450756A1 EP2450756A1 (fr) 2012-05-09
EP2450756B1 true EP2450756B1 (fr) 2015-01-07

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EP10189998.7A Active EP2450756B1 (fr) 2010-11-04 2010-11-04 Dispositif anti-galop pour mécanisme d'échappement

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US (1) US8602637B2 (ja)
EP (1) EP2450756B1 (ja)
JP (1) JP5351238B2 (ja)
CN (1) CN102467072B (ja)
HK (1) HK1171271A1 (ja)
RU (1) RU2570493C2 (ja)
TW (1) TWI534567B (ja)

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Publication number Priority date Publication date Assignee Title
RU2606342C2 (ru) * 2012-03-29 2017-01-10 Ниварокс-Фар С.А. Гибкий анкерный механизм с балансом без ролика
EP2690506B1 (fr) 2012-07-25 2015-01-14 Nivarox-FAR S.A. Spiral d'horlogerie anti-galop
EP2730980B1 (fr) * 2012-11-09 2018-08-29 Nivarox-FAR S.A. Mécanisme horloger de limitation ou transmission
CH707471B1 (fr) * 2013-08-05 2014-07-31 Rd Engineering Rudolf Dinger Système régulateur pour montre mécanique.
EP2887157B1 (fr) * 2013-12-23 2018-02-07 The Swatch Group Research and Development Ltd. Echappement optimisé
CH709905A2 (fr) * 2014-07-21 2016-01-29 Dominique Renaud Sa Pivot à lame.
EP3106930A1 (fr) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Procédé de fabrication comportant une étape d'usinage modifiée
EP3605243A1 (fr) * 2018-07-31 2020-02-05 Montres Breguet S.A. Mecanisme d'affichage d'horlogerie a geometrie variable avec aiguille elastique

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US180290A (en) 1876-07-25 Improvement in chronometer-escapements for watches
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ATE479923T1 (de) * 2004-09-22 2010-09-15 Antoine Preziuso Geneve Sa Tourbillon für uhrwerk und dieses enthaltende uhrwerk
EP1645918A1 (fr) * 2004-10-05 2006-04-12 Montres Breguet S.A. Dispositif anti-galop pour échappement d'horlogerie
CH698065B1 (fr) * 2004-10-06 2009-05-15 Richemont Int Sa Mouvement et pièce d'horlogerie.
CH695223A5 (de) * 2005-03-22 2006-01-31 Precision Eng Ag Hemmung fuer ein Uhrwerk.
DE602005005633T2 (de) 2005-03-30 2009-04-16 Montres Breguet S.A. Chronometerhemmung für Uhren
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EP1770452A1 (fr) 2005-09-30 2007-04-04 Peter Baumberger Echappement à detente pour pièce d'horlogerie
EP1801668B1 (fr) * 2005-12-20 2008-03-05 Montres Breguet S.A. Dispositif anti-galop pour échappement d'horlogerie
EP1860511B1 (fr) 2006-05-23 2012-04-25 Manufacture Claret SA Mouvement de pièce d'horlogerie comportant un pont mobile
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EP2224292B1 (fr) 2009-02-26 2012-10-10 Rolex Sa Echappement à impulsion directe, notamment à détente, pour mouvement d'horlogerie

Also Published As

Publication number Publication date
EP2450756A1 (fr) 2012-05-09
RU2570493C2 (ru) 2015-12-10
RU2011144809A (ru) 2013-05-10
TW201234146A (en) 2012-08-16
CN102467072A (zh) 2012-05-23
CN102467072B (zh) 2013-09-04
HK1171271A1 (en) 2013-03-22
US8602637B2 (en) 2013-12-10
US20120113763A1 (en) 2012-05-10
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JP5351238B2 (ja) 2013-11-27
JP2012098289A (ja) 2012-05-24

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