EP2761378B1 - Stimmgabeloszillator für ein mechanisches uhrwerk - Google Patents

Stimmgabeloszillator für ein mechanisches uhrwerk Download PDF

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Publication number
EP2761378B1
EP2761378B1 EP12762633.1A EP12762633A EP2761378B1 EP 2761378 B1 EP2761378 B1 EP 2761378B1 EP 12762633 A EP12762633 A EP 12762633A EP 2761378 B1 EP2761378 B1 EP 2761378B1
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EP
European Patent Office
Prior art keywords
pallet
anchor
fork
tuning fork
branch
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EP12762633.1A
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English (en)
French (fr)
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EP2761378A1 (de
Inventor
Ilan Vardi
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Asgalium Unitec SA
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Asgalium Unitec SA
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Priority to EP12762633.1A priority Critical patent/EP2761378B1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G04C5/005—Magnetic or electromagnetic means
    • 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
    • G04B15/08—Lever 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs

Definitions

  • the present invention relates to a mechanical oscillator with tuning fork and free escapement for mechanical clock movement, comprising a tuning fork type resonator, of which at least a first oscillating branch is intended to oscillate on either side of a first axis and is minus a first pin associated with at least one first fork tine of an anchor, for pivoting the anchor between first and second angular positions and alternately lock and release an escape wheel.
  • such a mechanism allows, in connection with a source of mechanical energy, to maintain oscillations of the resonator that is the tuning fork and thus to define an oscillator.
  • the high quality factor of a resonator as a tuning fork makes it attractive in the context of a watch application.
  • the present invention also relates to a watch movement provided with such an oscillator and a timepiece, particularly but not exclusively of the wristwatch type, provided with such a watch movement.
  • the patent FR 73414 A issued in the name of Louis-Institut-Clis Breguet on the basis of an application filed in 1866, describes a pendulum whose mechanical resonator is a tuning fork.
  • a first branch of this tuning fork carries a pin arranged so as to be captive in a housing formed in an anchor having two arms arranged to cooperate with an escape wheel, to alternately lock and release the latter, the anchor being pivoted on a frame element of the watch movement.
  • the escapement thus conceived is not of free type, since, on the one hand, the anchor presents a permanent contact with the escape wheel and, secondly, the ankle ensures the anchoring of the anchor on the branch of the tuning fork and therefore never leaves the anchor.
  • Such an exhaust therefore has the corresponding disadvantages, namely greater wear and chronometric disruption than a free exhaust.
  • Max Hetzel is at the origin of a large number of patented inventions, relating to the implementation of a tuning fork as oscillator, which led to the production of the wristwatch.
  • Accutron (registered trademark) bracelet marketed by Bulova Swiss SA.
  • the Accutron watch however includes an electronic oscillator since each branch of the corresponding tuning fork carries a permanent magnet associated with an electromagnet mounted fixed on the frame of the watch.
  • the operation of each electromagnet is controlled by the vibrations of the tuning fork, by means of the magnets which it carries, in such a way that the vibrations of the tuning fork are maintained by the transmission of periodic magnetic pulses from the electromagnets to the permanent magnets.
  • One of the branches of the tuning fork actuates a pawl for rotating the mobile wheels of the finishing gear of the watch. This construction does not lend itself to the use of the ratchet to ensure the maintenance oscillations of the tuning fork.
  • the patent CH 594201 from a deposit dating from 1972 , describes a dual resonator oscillator system.
  • the frequency stability of the oscillations of a tuning fork is exploited, by magnetic interaction, to stabilize the oscillations of a balance of conventional shape, therefore having a lower quality factor than that of the tuning fork.
  • the branches of the tuning fork, on the one hand, and the balance, on the other hand carry permanent magnets arranged to cooperate with each other. The corresponding interaction makes it possible both to maintain oscillations of the tuning fork and to stabilize oscillations of the pendulum in frequency.
  • this mechanism is necessarily coupled to a mechanical escapement to convert the periodic oscillation of the balance into a unidirectional movement to ensure the drive of the mobile of a cog finishing.
  • the balance is coupled to a conventional mechanical escapement arranged to maintain the oscillations. Consequently, the mechanism described in this document makes it possible to improve the frequency stability of the oscillations of a balance wheel, but this is done at the cost of a complexity and a much larger space requirement compared to a conventional one-way mechanism. resonator.
  • the high quality factor of the tuning fork is only partially used in the solution presented since, in the end, it is the pendulum which controls the movements of the finishing gear train, in a similar way to what is being done. works in classical systems.
  • a main object of the present invention is to overcome the drawbacks of tuning fork oscillators known from the prior art, by proposing an oscillator for a mechanical timepiece, in particular for a wristwatch, having a quality factor and isochronism high as well as an escapement of free type.
  • the frequency of the oscillations of a tuning fork is much greater than that of a balance-spring.
  • the aforementioned Accutron has its tuning fork that vibrates at a frequency of 360Hz, compared to the 4Hz balance springs of most current mechanical watches.
  • the adaptation of a conventional free escapement so that it operates in relation to a tuning fork is not obvious.
  • the higher frequency of tuning fork vibrations should result in greater energy expenditure and component wear than with a sprung balance.
  • the amplitude of the vibrations of a clock tuning fork is small.
  • the amplitude of the tuning fork vibrations of the Accutron is 0.036mm, compared to the amplitude of oscillations of the balance peg in a balance spring system, of the order of 2mm.
  • the higher operating frequency and the reduced amplitude imply that the corresponding exhaust should act on a larger portion of the oscillation of the tuning fork and the exhaust perturbation should therefore be greater than in the conventional case.
  • a further problem is that the oscillatory movement of the blades or branches of the tuning fork is almost linear, compared to the circular movement of the balance. Thus, the axial displacement of the end of the branch of a tuning fork is very small.
  • the lateral amplitude of the oscillations of a tuning fork branch is capable of strongly varying, up to 50% by average value according to Max Hetzel. Due to this variation, the ankle must be able to move out of the fork so as not to be disturbed during an additional arc greater than the average, that is to say to ensure that the vibration of the resonator is free during the additional arc. , a necessary condition for the realization of a free escape. We must therefore solve the difficulty related to the problem of entry and exit of the ankle with reference to the anchor fork.
  • the implementation of a tuning fork in a wristwatch involves a problem in terms of size.
  • the tuning fork used in the Accutron model has a length of 25mm, compared to the current diameter of a pendulum, of the order of 10mm.
  • the plate pin integral with the resonator and actuating the anchor to disengage the escape wheel, has an axial displacement amplitude, considering here the axis of the anchor when it is oriented towards the axis of the balance, greater than that of the anchor.
  • the resonator is a tuning fork
  • the amplitude of the axial displacements of the ends of its blades is insufficient to ensure the entry of the anchor into the anchor fork, as well as its exit out of the fork.
  • the present invention provides that the amplitude of the axial displacements of the teeth of the anchor fork is greater than that of the anchor, a conversion member being provided to ensure the good cooperation between these elements and, finally, to allow the correct operation of a free exhaust.
  • the conversion member can be made in various forms without departing from the scope of the present invention.
  • it comprises a support arranged on the first branch of the resonator and carrying the first pin and a second pin, the latter being intended to cooperate alternately and respectively with the first tooth and with a second fork tooth. and being located at a relative distance slightly less than the relative distance between the first and second fork teeth.
  • the present invention makes it possible to implement a mechanical oscillator for a timepiece comprising a tuning fork associated with a free escapement.
  • the anchor comprises a frame having first and second arms respectively carrying the first and second fork teeth.
  • the anchor is integral with an anchor rod intended to ensure its mounting on the watch movement, the first and second arms extend substantially from the anchor rod.
  • the anchor comprises first and second additional arms intended to cooperate alternately with the escape wheel, these first and second arms, on the one hand, and the first and second additional arms, on the other hand, being able to all be arranged in the same plane, or in two separate planes.
  • the oscillator comprises a second escape wheel, arranged to cooperate with either the same anchor, or with an additional anchor arranged to cooperate with the second branch of the resonator.
  • FIGS. 1a and 1b represent illustrative diagrams of constraints to be taken into account for the implementation of the present invention, more precisely in terms of geometry to be respected, to ensure good cooperation between a tuning fork branch and an exhaust anchor fork.
  • the figure 1a schematically illustrates the displacement of an anchor, of radius R, to evaluate which relation exists between the angle of rotation that it travels, between first and second rays, and the displacement of its end in the direction of the second radius, c that is to say substantially in the axis of the tuning fork branch.
  • the bold lines 201 and 202 illustrate the first and second positions that the anchor can take when it pivots in response to a pulse transmitted by a tuning fork branch, shown schematically by the thin lines 203 and 204.
  • the tuning fork branch (line 203) must be able to pass in front of a first of its fork teeth without touching it, whereas when found in the position of the line 202, it must be able to transmit an impulse to the branch of the tuning fork (line 204), by the other tooth of its fork, to maintain oscillations of the tuning fork.
  • the clearance phase corresponds to about 2 degrees of pivoting of the anchor.
  • the branch of the tuning fork leaves a first tooth of the fork after pushing it, there remain 3 degrees of pivoting at the anchor during which the other tooth must present an axial displacement sufficient to be able to transmit a pulse to the branch of the tuning fork.
  • This angle of 3 degrees corresponds to an axial displacement of 0.005mm.
  • the lift begins at an angle of the order of 15 degrees and ends at an angle of the order of 9 degrees.
  • the axial displacement of the peg is generally of the order of 0.046 mm (for a 0.7 mm diameter of the peg trajectory), which gives a relative axial displacement of the order of 0.05 mm between the ankle and the corresponding fork tooth of the anchor.
  • the fork has a well defined width, to facilitate the entry of the ankle.
  • the figure 1b schematically illustrates the displacement of a fork of width 2S.
  • the width 2S of the fork facilitates the entry of the peg into the fork by contributing to the axial displacement mentioned above, since it is of the same order as the angle a: a rotation of an angle a of a horizontal arm of length S gives a vertical displacement of -S.sin (a) is about -Sa So, if the fork has a height R, in the axial direction, and the wall of each of its teeth is at a distance S of the axis then, for a small rotation of angle a, the axial displacement due to R is about Ra 2 and the displacement due to S is about Sa
  • the axial displacement of the wall is increased by 0.25. °) -sin (3 °)) is about 0.009, which allows to increase the passage size from 0.025mm to 0.03mm.
  • the situation is more complex because the movement of its branch or blade is almost linear, while with the pendulum the plateau pin has a rotary motion.
  • the fork should have walls at least 2.5mm apart in reference to the anchor axis, for a total length of 5mm.
  • the figure 2 represents a schematic front view of a mechanical oscillator for a watch movement according to a first embodiment of the present invention.
  • This oscillator comprises a resonator 1 of tuning fork type, here substantially U-shaped in a non-limiting manner, whose base 2 is intended to be secured to a frame member of a watch movement (not shown for clarity) to allow the branches 3 and 4 to vibrate with reference to the base, in known manner.
  • the tuning fork may have a different shape, for example and preferably a shape similar to that described and illustrated in the patent US 3,447,311 .
  • the amplitude of the vibrations of the tuning fork is very small and would not be suitable for producing a conventional oscillator, simply replacing the balance spring system with a tuning fork.
  • the figure 2 illustrates an exemplary embodiment of an oscillator according to an illustrative mode of the invention.
  • the free end 5 of a first branch 3 of the tuning fork is provided with a support 6 carrying first and second pins 7 and 8 filling the function of the plateau pin in a conventional system, as will be apparent from the detailed description of the Figures 6a to 6e .
  • the support 6 has an elongate shape, in a direction substantially perpendicular to the direction of the first leg 3, being fixed thereto by its middle, the pins 7, 8 being disposed at its respective ends.
  • the pins 7, 8 cooperate with an anchor 10, more precisely with first and second teeth 11 and 12 of the anchor defining an anchor fork.
  • the anchor 10 comprises a frame intended to be pivotally mounted on a frame member of the watch movement by means of an anchor rod 14.
  • the frame has first and second arms 15, 16 extending from the anchor rod and each of which carries one of the teeth 11, 12 at its free end.
  • the frame further has first and second additional arms 18, 19 also extending from the anchor rod 14 and respectively carrying first and second vanes 21, 22 arranged to cooperate with the toothing of a wheel. exhaust 24, substantially conventional.
  • the anchor 10 is intended to pivot between a first position in which one of its vanes 21, 22 locks the escape wheel 24 in rotation and a second position in which the other pallet locks the escape wheel . When the anchor pivots between one and the other position, the escape wheel is released to turn.
  • the distance between the pins 7 and 8 is slightly less than the distance between the teeth 11 and 12 to ensure the proper operation of the oscillator.
  • the oscillator according to the present invention allows a similar operation to that of conventional oscillators, in particular thanks to the fact that the resonator carries two pins 7 and 8 instead of a single pin, as well as by the particular geometry of the range of anchor.
  • the solution illustrated by way of non-limiting indication not only makes it possible to ensure the anchor a sufficient amplitude of rotation for its good cooperation with the escape wheel, but also to ensure that the pins 7 and 8 can take turns in the fork and lead the anchor appropriately, and they can also out, symmetric way.
  • lever arm of the anchor can be modified by changing the distances between the anchor rod and the fork teeth, on the one hand, and between the anchor rod and the pallets, on the other hand, to adapt the geometry of the anchor as needed.
  • a reduction of the lever arm of the fork makes it possible to increase the angle of rotation of the anchor and therefore the range of displacement of the pallets.
  • first and second arms 15, 16 of the anchor and its first and second additional arms 18, 19 are all located in the same plane.
  • other configurations are possible without departing from the scope of the present invention and in particular the constraints to be observed in terms of size of the oscillator.
  • the figure 3 represents a schematic front view of a mechanical oscillator for a watch movement according to a first embodiment of the oscillator of the figure 2 .
  • the oscillator is globally the same as on the figure 2 with the difference that the first and second additional arms 18, 19 of the anchor 10 extend in a second plane different from that containing the first and second arms 15, 16.
  • the mediators on the one hand, first and second arms and, secondly, additional first and second arms have between them an angle of the order of 80 degrees.
  • the escape wheel can be arranged in a plane different from that of the tuning fork and at a distance from it lower than in the case of the realization of the figure 2 .
  • Such a configuration makes it possible to reduce the bulk of the tuning-exhaust assembly and lends itself better to its integration into a wristwatch.
  • the figure 4 represents a schematic front view of a mechanical oscillator for a watch movement according to a second embodiment of the oscillator of the figure 2 .
  • the mediators of the first and second arms 15, 16, on the one hand and the first and second additional arms 18, 19, on the other hand have between them an angle of the order of 120 degrees.
  • the figure 5 represents a schematic front view of a mechanical oscillator for a watch movement according to a third embodiment of the oscillator of the figure 2 .
  • the mediators of the first and second arms 15, 16, on the one hand and the first and second additional arms 18, 19, on the other hand have between them an angle of the order of 180 degrees.
  • escape wheel and the tuning fork can possibly be at least partially superimposed, in particular to reduce the size of the tuning-exhaust assembly as mentioned above.
  • FIGS. 6a, 6b, 6c, 6d and 6th represent views of a functioning detail of the oscillator of the figure 2 , in successive configurations intervening on a half-wave of oscillations of the first branch 3.
  • the first branch 3 of the tuning fork ends its course in the direction of the arrow, to the left of the figure, just before starting in the opposite direction.
  • the first pallet 21 of the anchor 10 cooperates with the toothing of the escape wheel 24 to lock the latter in rotation.
  • the exhaust is here at rest.
  • An impulse phase of the anchor to the first pin 7 then intervenes, as illustrated on the figure 6d , to ensure the maintenance of the oscillations of the first branch 3 of the tuning fork.
  • the second half-alternation then begins and the same phases intervene again in the same chronological order, in a conventional way.
  • the greatest distance between the different positions that take its teeth 11, 12 must be important, in any case greater than twice the amplitude of the vibrations of the branch 3 of the tuning fork which, it is weak as noted above and insufficient on its own for move the anchor satisfactorily.
  • This largest distance is that between the respective positions that take the first and second teeth after they underwent the impulse of the corresponding peg, during the phases of disengagement.
  • the oscillator according to the invention comprises a conversion member comprising two pins 7.8 associated with two teeth 11, 12 spaced apart to ensure sufficient rotation of the anchor.
  • the figure 7 represents a schematic front view of a mechanical oscillator for a watch movement according to a second embodiment of the present invention, making it possible to achieve a similar result.
  • the anchor 100 here has a more conventional shape, with a range 101 of reduced width with reference to that illustrated in the previous figures.
  • the conversion member implemented in the present embodiment uses the principle of the lever arm.
  • This comprises a rocker 110 intended to be pivotally mounted on a frame member of the watch movement, by means of a pivot 111.
  • the rocker comprises, at a first end, a first pin 112 pivotally mounted on the free end 5 of the first leg 3 of the tuning fork and, at a second end, a second pin 113 engaged between the teeth of the fork 101 to cooperate with it and rotate the anchor 100 when the first branch 3 vibrates.
  • the maximum distance between the different positions that can occupy the teeth of the range 101 is greater than twice the amplitude of the vibrations of the branch 3 of the tuning fork.
  • the structure of the conversion member makes it possible to ensure both a good impulse transmission from the anchor to the tuning fork to maintain the oscillations of the latter and a good transmission of pulses from the tuning fork to the anchor to rotate the anchor with an amplitude that ensures proper operation of the associated exhaust.
  • the lever makes it possible to amplify the amplitude of vibration of the blade of the tuning fork. More specifically, on the figure 6 , the lever arm used is equal to the ratio of the distance between the second pin 113 and the pivot 111 on the distance between the first pin 112 and the pin 111. With this device, a conventional anchor can be used, condition to provide a suitable lever ratio.
  • the shape of the pallets should be modified to strengthen the latter.
  • the rectangular section of conventional pallets is fragile when their width decreases, so a trapezoidal section may be preferred.
  • the thickness of the pallets can also be increased to reinforce them in a complementary manner. The excess width must of course take into account the cooperation of the pallet with the toothing of the escape wheel.
  • the conversion member and the anchor are preferably arranged in such a way that a lever arm is created between the tuning fork and the wheel. escapement, to ensure sufficient amplitude for oscillations of the anchor teeth.
  • the invention is not limited to an oscillator comprising a single escape wheel or a single anchor.
  • a second escape wheel could be associated with the anchor or an additional anchor cooperating with the second branch of the tuning fork.
  • the silicon compound manufacturing technology is particularly suitable for the production of the elements that have been described, in particular because it guarantees good manufacturing accuracy and the silicon elements in contact with each other present reduced friction with reference to materials commonly used in the watchmaking field. These specific characteristics of silicon are magnified here because of the high vibration frequency of the tuning fork.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Claims (12)

  1. Mechanischer Oszillator mit Stimmgabel und freier Hemmung für mechanisches Uhrwerk, umfassend einen Resonator (1) vom Typ Stimmgabel, von dem mindestens ein erster Schenkel (3) bestimmt ist, beiderseits einer erste Achse zu schwingen und mindestens einen ersten Hebelstein (7, 8, 112) trägt, der mindestens einem ersten Gabelzahn eines Ankers (10, 100) zugeordnet ist, der den Oszillator aufweist, um direkt oder indirekt mit ihm zusammenzuwirken und den Anker (10, 100) zwischen einer ersten und zweiten Winkelposition zu drehen und abwechselnd ein Hemmungsrad (24) zu verriegeln und freizugeben, wobei der mechanische Oszillator ein mit dem ersten Hebelstein fest verbundenes Konversionsorgan (6, 110, 113) aufweist, das ausgebildet ist, um
    zum einen, die Schwingungen des ersten Schenkels (3) des Resonators (1) in Rotationsbewegungen des Ankers (10, 100) durch die Übertragung von ersten Impulsen an diesen umzuwandeln, und,
    zum anderen, mechanische Energie von dem Anker (10, 100) an den ersten Schenkel (3) des Resonators (1) in Form von Impulsen zu übertragen,
    so dass der erste Zahn eine axiale Verlagerungsamplitude etwa in Richtung der ersten Achse beim Drehen des Ankers aufweist, die größer ist als die Verlagerungsamplitude des ersten Hebelsteins in Richtung der ersten Achse.
  2. Mechanischer Oszillator nach Anspruch 1, dadurch gekennzeichnet, dass das Konversionsorgan eine Wippe (110) aufweist, die bestimmt ist, drehend auf einem Gestellelement des Uhrwerks montiert zu sein und von der ein erstes Ende mit dem ersten Hebelstein (112) derart fest verbunden ist, dass es in Bezug auf den ersten Schenkel (3) des Resonators (1) drehbar ist, wobei die Wippe einen zweiten Hebelstein (113) trägt, der bestimmt ist, mit dem ersten Zahn und mit einem zweiten Zahn der Gabel (101) zusammenzuwirken, um den Anker (100) zu drehen.
  3. Mechanischer Oszillator nach Anspruch 1, dadurch gekennzeichnet, dass das Konversionsorgan eine Stütze (6) aufweist, die auf dem ersten Schenkel (3) des Resonators (1) ausgebildet ist und den ersten Hebelstein (7) und einen zweiten Hebelstein (8) trägt, wobei diese dazu bestimmt sind, abwechselnd und jeweils mit dem ersten Gabelzahn und mit einem zweiten Gabelzahn (11, 12) zusammenzuwirken und sich dabei in einem Abstand befinden, der etwas kleiner als der Abstand zwischen dem ersten und zweiten Gabelzahn ist.
  4. Mechanischer Oszillator nach Anspruch 3, dadurch gekennzeichnet, dass der Anker (10) ein Gestell umfasst, das einen ersten und zweiten Arm (15, 16) aufweist, die jeweils den ersten und zweiten Gabelzahn (11, 12) tragen.
  5. Mechanischer Oszillator nach Anspruch 4, wobei der Anker (10) mit einer Ankerwelle (14) fest verbunden ist, die bestimmt ist, seine Montage auf dem Uhrwerk zu sichern, dadurch gekennzeichnet, dass sich der erste und zweite Arm (15, 16) etwa ab der Ankerwelle (14) erstrecken.
  6. Mechanischer Oszillator nach Anspruch 5, wobei der Anker (10) einen zusätzlichen ersten und zweiten Arm (18, 19) umfasst, die bestimmt sind, abwechselnd mit dem Hemmungsrad (24) zusammenzuwirken, dadurch gekennzeichnet, dass der erste und zweite Arm (15, 16) sowie der zusätzliche erste und zweite Arm (18, 19) alle in derselben Ebene ausgebildet sind.
  7. Mechanischer Oszillator nach Anspruch 5, wobei der Anker einen zusätzlichen ersten und zweiten Arm (18, 19) umfasst, die bestimmt sind, abwechselnd mit dem Hemmungsrad (24) zusammenzuwirken, dadurch gekennzeichnet, dass der erste und zweite Arm (15, 16) zum einen und der zusätzliche erste und zweite Arm (18, 19) zum anderen in einer jeweiligen unterschiedlichen ersten und zweiten Ebene ausgebildet sind.
  8. Mechanischer Oszillator nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er ein zweites Hemmungsrad aufweist, das dem Anker (10) zugeordnet ist.
  9. Mechanischer Oszillator nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er ein zweites Hemmungsrad aufweist, das einem zusätzlichen Anker zugeordnet ist, der ausgebildet ist, um mit dem zweiten Schenkel des Resonators zusammenzuwirken.
  10. Oszillator nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Resonator und/oder der Anker und/oder das Hemmungsrad aus Silizium hergestellt sind.
  11. Uhrwerk, aufweisend einen mechanischen Oszillator nach einem der vorangehenden Ansprüche.
  12. Uhr, umfassend ein Uhrwerk nach Anspruch 11.
EP12762633.1A 2011-09-29 2012-09-27 Stimmgabeloszillator für ein mechanisches uhrwerk Active EP2761378B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12762633.1A EP2761378B1 (de) 2011-09-29 2012-09-27 Stimmgabeloszillator für ein mechanisches uhrwerk

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11183371A EP2574994A1 (de) 2011-09-29 2011-09-29 Stimmgabelresonator für ein mechanisches Uhrwerk
EP12762633.1A EP2761378B1 (de) 2011-09-29 2012-09-27 Stimmgabeloszillator für ein mechanisches uhrwerk
PCT/EP2012/069122 WO2013045573A1 (fr) 2011-09-29 2012-09-27 Resonateur a diapason pour mouvement horloger mecanique

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EP2761378A1 EP2761378A1 (de) 2014-08-06
EP2761378B1 true EP2761378B1 (de) 2017-01-04

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EP11183371A Withdrawn EP2574994A1 (de) 2011-09-29 2011-09-29 Stimmgabelresonator für ein mechanisches Uhrwerk
EP12762633.1A Active EP2761378B1 (de) 2011-09-29 2012-09-27 Stimmgabeloszillator für ein mechanisches uhrwerk

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EP11183371A Withdrawn EP2574994A1 (de) 2011-09-29 2011-09-29 Stimmgabelresonator für ein mechanisches Uhrwerk

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US (1) US9134705B2 (de)
EP (2) EP2574994A1 (de)
JP (1) JP5988255B2 (de)
CN (1) CN103858061B (de)
HK (1) HK1199311A1 (de)
WO (1) WO2013045573A1 (de)

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Publication number Priority date Publication date Assignee Title
CH705971A1 (fr) * 2012-01-09 2013-07-15 Lvmh Swiss Mft Sa Organe réglant pour montre ou chronographe.
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EP3365734B1 (de) 2015-10-23 2019-09-04 Richemont International SA Oszillator für eine mechanische uhrwerksbewegung
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EP3327515B1 (de) * 2016-11-23 2020-05-06 ETA SA Manufacture Horlogère Suisse Sich drehender resonator mit einer flexiblen führung, der von einer freien ankerhemmung gehalten wird
EP3336613B1 (de) * 2016-12-16 2020-03-11 Association Suisse pour la Recherche Horlogère Resonator für uhr, der zwei pendellager umfasst, die so angeordnet sind, dass sie auf derselben ebene schwingen können
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EP2574994A1 (de) 2013-04-03
EP2761378A1 (de) 2014-08-06
JP2014531594A (ja) 2014-11-27
CN103858061A (zh) 2014-06-11
US20140247703A1 (en) 2014-09-04
CN103858061B (zh) 2017-03-15
WO2013045573A1 (fr) 2013-04-04
HK1199311A1 (en) 2015-06-26
JP5988255B2 (ja) 2016-09-07
US9134705B2 (en) 2015-09-15

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