EP2677369B1 - Hochfrequenzunruh für Uhr - Google Patents

Hochfrequenzunruh für Uhr Download PDF

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Publication number
EP2677369B1
EP2677369B1 EP13184692.5A EP13184692A EP2677369B1 EP 2677369 B1 EP2677369 B1 EP 2677369B1 EP 13184692 A EP13184692 A EP 13184692A EP 2677369 B1 EP2677369 B1 EP 2677369B1
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EP
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Prior art keywords
balance
inertia
block
felloe
housing
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EP13184692.5A
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English (en)
French (fr)
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EP2677369A1 (de
Inventor
Nicolas Georges Hayek
Marco Verardo
Jean-Philippe Rochat
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Montres Breguet SA
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Montres Breguet SA
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Priority to EP13184692.5A priority Critical patent/EP2677369B1/de
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    • 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
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/006—Mechanisms for setting frequency by adjusting the devices fixed on the balance

Definitions

  • the invention also comprises a balance spring incorporating such a balance.
  • the invention also relates to a timepiece incorporating such a sprung balance or such a balance.
  • the invention relates to the field of regulating organs for timepieces, and particularly the balance or the balance spring.
  • the accuracy of the calibres depends on the quality of their regulating organ, and the obtaining of very high oscillation frequencies, for example of 10 Hz, to be compared to the usual frequencies of 2.5 to 4 Hz, can only be obtained with the design of suitable regulating members, particularly with regard to the pendulum.
  • the energy to be provided, in the form of elastic torque of the spiral, for the maintenance of the oscillation is proportional to the product, on the one hand of the inertia of the balance around its axis of rotation, by the square frequency on the other hand.
  • the passage of a frequency from 4 Hz to 10 Hz results in about the division by 6 of the inertia.
  • a pendulum inertia of 12 mg.cm 2 is considered good, such a balance typically having a diameter of 9 to 10 mm.
  • a balance for use at 10 Hz must have a low value inertia, especially less than 2 mg.cm 2 .
  • a rocker for use at 10 Hz must still, for optimal operation, be of minimum mass, especially less than 30 mg, so as to reduce friction in the bearings, so as to avoid disturbances of isochronism in the different positions of use.
  • a pendulum titanium according to the patent EP 1 562 087 in the name of WATCHES BREGUET SA designed with a serge and titanium arms and reduced sections, remains of mass and inertia that are greater than what is desired for optimal operation.
  • the document GB 2 416 408 A in the name of G. Levingston discloses a non-magnetic balance comprising components of two different materials and different expansion coefficients, arranged in such a way that the moment of inertia of the balance decreases when the temperature increases.
  • This balance comprises flyweights in two parts adjustable in translation relative to each other, and in particular in a parallel plane or coincident with that of the serge.
  • the inventive step consisted in creating the conditions of a balance structure, including the hub, the serge, and the connections between these two components as light as possible, by moving as far as possible hub of density masses if possible higher than that of this structure.
  • said at least one flyweight comprises a first portion comprising said guide means, and a second portion constituted by a regulating screw, of which a thread, or respectively a tapping, cooperates with a thread, respectively a thread. , which includes the said first part, and said thread, or said tapping respectively, does not cooperate with said serge or with said junction surface.
  • said serge is made integrally with said junction surface and said hub in a micro-machinable material or in silicon or in liga or quartz.
  • each of said portions of said at least one feeder is made of a material, which is a heavy metal or beryllium bronze or gold or platinum or tantalum or molybdenum, or one of their alloys.
  • the invention also comprises a balance spring incorporating at least one such balance.
  • the invention also relates to a timepiece incorporating at least one such sprung balance or at least one such balance.
  • the preferred use of silicon makes it possible to obtain a beam structure that is both very light and very rigid, which can be dimpled in the junction zone between the hub and the serge.
  • the transfer to the periphery of flyweights equipped with screws is favorable to obtaining a properly sized inertia despite the very low total mass of the balance.
  • the adjustment and balancing functions are ensured and facilitated.
  • the choice of a particular pair of materials, namely CuBe for a first feeder portion said stud inserted in a housing of the serge, and gold alloy for the adjusting screw screwed into this stud ensures, despite the very small dimensioning of this screw, a tightening torque ensuring its maintenance, without risk of breakage.
  • Such a pendulum is perfectly suitable for good operation at the frequency of 10 Hz, and even more so, since its dimensioning in diameter, in the following example of a preferred embodiment, is greater than or equal to the usual diameter of a pendulum . It is therefore possible to reduce its diameter, and thus further reduce its mass and inertia, for frequencies greater than 10 Hz.
  • the invention relates to the field of regulating organs for timepieces, and particularly the balance or the balance spring.
  • the invention is particularly directed to the production of pendulums for high oscillation frequencies, 10 Hz or more.
  • the invention relates to a balance 1 for a timepiece, with inertia adjustment for adjusting its oscillation frequency, comprising a hub 2 arranged to cooperate with a balance shaft 3 perpendicular to a balance plane 4, and a serge peripheral 5 continuous or discontinuous.
  • This serge 5 can indeed be discontinuous in the context of a search for relief.
  • the exemplary embodiments of the figures show a continuous serge, which offers the advantage of good rigidity and good aerodynamics, and which limits the localized flexions by preventing any warping of the balance.
  • This serge 5 is connected to the hub 2 by at least one junction surface 6, which may be constituted by a continuous surface such as a perforated disc or not, or by one or more arms 22.
  • the preparation of a junction surface 6 perforated in particular with cutouts, crossing or not, between longitudinal members ensuring a good triangulation, makes it possible to further reduce the weight of the balance.
  • the figure 14 shows an exemplary embodiment not forming part of the claimed invention with an arm 22 comprising such a perforated structure, in a mixed manner, with, separated by ribs 30, pockets 29 passing through the entire thickness of the joining surface. 6, in particular of the arm 22, and / or blind pockets 31, not traversing, on only a part of the thickness of the junction surface 6, in particular of the arm 22, for example a third, each separated from another pocket similar blind located on the other side of the arm 22 by a canvas of comparable thickness.
  • the good triangulation carried out allows a sensible economy of mass, a conventional finite element calculation makes it possible to determine the longitudinal members 30 which are essential for the mechanical strength and the resistance to twisting.
  • the annular portion of the serge 5 can also be perforated similarly. It is the same if it is preferred a continuous junction surface 6 such as a disk or the like.
  • This balance 1 also comprises at least one flyweight 7.
  • a flyweight 7 is attached to or in the serge 5 in a housing 8 that includes the periphery of the serge 5 for its reception.
  • Such a weight 7 thus comprises a first portion 10 comprising the guide means 9 and said pad, and a second portion 11 preferably constituted by a regulating screw 12, of which a thread, or respectively a tapping, cooperates with a tapping, respectively a threading, that includes the first part 10, and whose threading, or respectively the tapping, is at a distance from the serge 5 or the joining surface 6.
  • the guide means 9 and the complementary guide means 9A are linear.
  • the guide means 9 and the complementary guide means 9A are circular.
  • the holding means 13 are constituted by resilient holding means, these are constituted by clipping means 14 that comprises this feeder 7, and which are arranged to cooperate elastically with complementary clipping means 14A that includes serge 5.
  • the assembly by clipping is irreversible.
  • the elastic holding means are constituted by at least one elastic lip 15 that comprises the flyweight 7 or the housing 8.
  • This elastic lip 15 is arranged to flex in a compression position during a first insertion stroke of the weight 7 in the housing 8 and allow this introduction, and to relax in a position of relaxation in a recess 16 that respectively comprises the housing 8 or the weight 7, in a service position or in a second regulating race of the flyweight 7, this second regulation race following the first introductory race.
  • This elastic lip 15 has a stop surface 17 arranged to abut, when the lip 15 is in this detent position, with a complementary stop surface 17A arranged in return that comprises the housing 8 or the weight 7.
  • the stud has the main function of the support of the adjusting screw 12, and can therefore be reduced to its simplest expression screw insert.
  • the screwing or unscrewing of the adjusting screw 12 brings closer or moves away, or vice versa, an end of this feeder 7 carrying this screw 12, in particular the stud 10 carrying the screw 12, the serge 5, this adjusting screw 12 being motionless in translation.
  • the adjusting screw 12 has a shoulder 18, respectively a groove, arranged to cooperate in a complementary manner with a groove 19, respectively a shoulder, that includes the serge 5.
  • the rocker 1 comprises blind clearance means 20 on the hub 2 side.
  • These release means 20 are arranged to allow the insertion of this feeder 7 to the hub 2, then the setting in position of the adjusting screw 12, or adjusting screws 12 if there are several, by cooperation between the shoulder 18 and the groove 19.
  • This adjusting screw 12 is then further away from the hub 2 that the weight 7 with which it constitutes a captive assembly when they are linked by threading, respectively tapping one, cooperating with a thread, respectively a thread of the other.
  • the stud 10 has an H-shaped profile arranged to cooperate with a straight notch 21 that includes the serge 5.
  • this notch 21 is radial with respect to the hub 2.
  • the stud 10 comprises a cylindrical profile arranged to cooperate with a cylindrical bore of the housing 8 of said serge 5.
  • the stud 10 comprises a profile with a right external toothing, which is arranged to cooperate with a right internal toothing that comprises the housing 8 of the serge 5.
  • the adjusting screw 12 is radial with respect to the hub 2.
  • the weight 7 comprises at least two adjusting screws of inertia 12.
  • the rocker 1 comprises at least two weights 7A, 7B, each attached to the serge 5 in a housing 8A, 8B, which comprises the periphery of the serge 5 for its reception.
  • These weights 7A, 7B each comprise guide means complementary to complementary guide means that includes the housing 8A, 8B, and each comprise at least two portions 10, 11 adjustable in translation relative to each other in a plane parallel to the plane 4 of the balance 1, and each of these parts 10, 11 of each of these weights 7A, 7B is made of a material which is denser than a first constituent material of the serge 5.
  • flyweights 7A, 7B are symmetrical in pairs with respect to a plane passing through the hub 2 and the balance shaft 3.
  • weights 7A, 7B are symmetrical two by two with respect to said hub 2.
  • the weights 7 are four in number, arranged along two perpendicular axes passing through the hub 2 and in the plane 4 of the balance.
  • the 4 associated adjusting screws 12 allow all the angular possibilities of unbalance creation. The case where several adjusting screws are embedded on the same pad gives even more adjustment latitude.
  • the first feeder portion 10 said pad is dimensionally stable.
  • each flyweight 7, and in particular each movable portion 11 feeder or adjusting screw 12 is set back from a circle circumscribed to the serge 5, in any relative position of the parts which constitute this flyweight.
  • the serge 5 may comprise one or more cutouts 23, peripheral as on the figure 4 , or although on the inner part of the serge 5 in another embodiment not shown in the figures.
  • the joining surface consists of at least one arm 22. Thanks to the use of a silicon technology, such an arm can adopt any profile, in particular a curve, or other . It may also include lightenings, through or not, for example in the form of triangular pockets, which provide rigidity while allowing a significant weight loss.
  • the figures represent even-numbered versions of arms diametrically opposed two by two.
  • the periphery of the serge 5 comprises an alternation of surfaces which are all rigid: T-shaped joining surfaces 24 between arms 22 and serge 5 on the one hand, and surfaces of reinforced support 25 comprising the housing 8 to receive the weights 7 on the other hand.
  • a counterweight 7 is implanted in the alignment of certain arms 22, or even in the alignment of each arm 22, as in the second variant of FIG. figure 2 , or the third variant of the figure 4 and the reinforced joining zone of the arms 22 to the serge 5 may comprise a notch 21, which is functional or which constitutes a relief.
  • Balance balancing is an important operation, for which we seek a high balancing accuracy, of the order of one microgram x cm.
  • weights that includes the balance 1 are weights 7 in two parts 10 and 11 as described above.
  • the serge 5 is made integrally with the junction surface 6 and the hub 2 in silicon preferably, or a micro-machinable material, or in quartz, or according to the LIGA method .
  • each of the portions 10, 11, of each weight 7 is made of a material, which is a heavy metal, or beryllium bronze, or gold or platinum or tantalum or molybdenum, or a their oxides or their nitrides, or one of their alloys, or one of the complexes developed on their bases.
  • the second portion 11 is a control screw 12
  • this pair of materials consists of beryllium bronze of CuBe type on the one hand, and a gold alloy, at least 14 karat, on the other hand.
  • the stud 10 is beryllium bronze CuBe type and the adjusting screw 12 is made of gold alloy.
  • the mass and reduced inertia of the balance according to the invention allow the manufacture of a lower diameter of the pivot of 30 to 40% relative to the usual pivots, which has a very great influence on the level of friction.
  • the three variants presented are conjugated to a pivot with a diameter of approximately 0.05 mm.
  • the unbalance of the weights 7 is decomposed between an unbalance part which is fixed, and a part of the unbalance which is movable and serves as an adjustment.
  • the studs 10 constitute the regulating part of the unbalance, and the screws 12 are fixed in translation and constitute the fixed part of the unbalance.
  • the studs 10 constitute the fixed part of the unbalance, and the screws 12 constitute the regulating part.
  • the regulating part is always of the same value.
  • the inertia of the regulating portion is close to 0.25 mg.cm 2 .
  • the quality factor measured is close to 500 for the three variants. This quality factor is obtained by the combination of a silicon balance spring and a balance according to the invention.
  • this high quality factor and, on the other hand, the adjustment and adjustment possibilities offered by the studs 10 and the adjusting screws 12, which, in addition to their own adjustment functions, fulfill a new function. , which is to serve as a machining platform for adding or removing material in the balancing and tuning adjustment operations, allows the elimination of the racking.
  • the adjustment and adjustment of the balance are very precise, and allow the balance to be used in a high frequency oscillator, 10 Hz or more.
  • the design of the balance allows a very precise adjustment of the oscillation frequency of the sprung balance in which it is integrated.
  • the invention also comprises a sprung balance incorporating at least one such balance 1 according to the invention.
  • the invention also relates to a timepiece incorporating at least one such sprung balance or at least one such rocker 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)

Claims (14)

  1. Unruh (1) für eine Uhr mit Trägheitsregelung zur Justierung ihrer Schwingungsfrequenz, aufweisend eine Nabe (2), die zum Zusammenwirken mit einer Unruhachse (3) ausgebildet ist, die senkrecht zu einer Unruhebene (4) steht, und welche Unruh (1) einen durchgehenden oder unterbrochenen peripheren Fußkreis (5) aufweist, der mit der Nabe (2) über zumindest eine Verbindungsfläche (6) verbunden ist, wobei die Unruh (1) zumindest ein Trägheitsgewichtchen (7) aufweist, welches zumindest eine Gewichtchen (7) auf dem Fußkreis (5) in einer Lagerung (8) eingesetzt ist, welche die Peripherie des Fußkreises (5) zu deren Aufnahme aufweist, und wobei:
    - das zumindest eine Gewichtchen Führungsmittel (9) mit einem mit komplementären Führungsmitteln (9A) komplementären Profil aufweist, die die Lagerung (8) aufweist;
    - jedes des zumindest einen Gewichtchens (7) zumindest zwei Teile (10, 11) aufweist, die in einer Ebene parallel zur Ebene (4) der Unruh (1) zueinander translationsregelbar sind und von denen eines der Teile (10; 11) translationsunbeweglich gegenüber dem Fußkreis (5) ist;
    - jedes der genannten Teile (10, 11) des zumindest einen Gewichtchens (7) aus einem Material gefertigt ist, welches eine höhere Dichte, als ein erstes, den Fußkreis (5) bildendes Material aufweist,
    dadurch gekennzeichnet, dass das zumindest eine Gewichtchen (7) mittels Haltemitteln (13) in der Lagerung (8) gehalten ist, welche elastische Haltemittel sind, die dazu ausgebildet sind, das Einführen des zumindest einen Gewichtchens (7) in die besagte Lagerung (8) zu erlauben und ihr Herausziehen zu verhindern.
  2. Unruh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die elastischen Haltemittel von Clipmitteln (14) gebildet sind, die das zumindest eine Gewichtchen (7) aufweist und die dazu ausgebildet sind, elastisch mit komplementären Clipmitteln (14A) zusammenzuwirken, die der Fußkreis (5) aufweist, wobei die Clipmittel (14) von zumindest einem elastischen Hebel (15) gebildet sind, den das zumindest eine Gewichtchen (7) oder die Lagerung (8) aufweist, wobei der zumindest eine elastische Hebel (15) dazu ausgebildet ist, während eines ersten Einführvorgangs des zumindest einen Gewichtchens (7) in die Lagerung (8) in eine komprimierte Position gebogen zu werden und sich in einer Entspannungsposition in einer Nut (16) zu entspannen, die die Lagerung (8) aufweist und welche von den komplementären Clipmitteln (14A) gebildet ist und wobei in einer Serviceposition oder in einem zweiten Stellschritt des zumindest einen Gewichtchens (7), welcher zweite Stellschritt dem ersten Einführschritt folgt, der zumindest eine elastische Hebel (15) in der entspannten Position eine Anschlagsfläche (17) aufweist, um mit einer komplementären Anschlagsfläche (17A) zusammenzuwirken, die die Lagerung (8) aufweist.
  3. Unruh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die elastischen Haltemittel von Clipmitteln (14) gebildet sind, die das zumindest eine Gewichtchen (7) aufweist und die dazu ausgebildet sind, elastisch mit komplementären Clipmitteln (14A) zusammenzuwirken, die der Fußkreis (5) aufweist, wobei die Clipmittel (14) von zumindest einem elastischen Hebel (15) gebildet sind, den das zumindest eine Gewichtchen (7) oder die Lagerung (8) aufweist, wobei der zumindest eine elastische Hebel (15) dazu ausgebildet ist, während eines ersten Einführvorgangs des zumindest einen Gewichtchens (7) in die Lagerung (8) in eine komprimierte Position gebogen zu werden und sich in einer Entspannungsposition in einer Nut (16) zu entspannen, die das zumindest eine Gewichtchen (7) aufweist und welche von den komplementären Clipmitteln (14A) gebildet ist und wobei in einer Serviceposition oder in einem zweiten Stellschritt des zumindest einen Gewichtchens (7), welcher zweite Stellschritt dem ersten Einführschritt folgt, der zumindest eine elastische Hebel (15) in der entspannten Position eine Anschlagsfläche (17) aufweist, um mit einer komplementären Anschlagsfläche (17A) zusammenzuwirken, die das zumindest eine Gewichtchen (7) aufweist.
  4. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zumindest eine Gewichtchen (7) ein erstes die Führungmittel (9) aufweisendes Teil (10) aufweist und ein zweites Teil (11) aufweist, welches von einer Stellschraube (12) gebildet ist, dessen Gewinde bzw. dessen Gewindebohrung mit einer Gewindebohrung bzw. einem Gewinde zusammenwirkt, welches das erste Teil (10) aufweist und dessen Gewinde bzw. Gewindebohrung in einem Abstand zum Fußkreis (5) oder der besagten Verbindungsfläche (6) ist.
  5. Unruh (1) nach Anspruch 4, dadurch gekennzeichnet, dass das Festschrauben oder das Losschrauben der Stellschraube (12) ein Ende der Stellschraube (12) an den besagten Fußkreis (5) annähert oder entfernt oder umgekehrt, wobei das erste Teil (10) transflationsunbeweglich ist.
  6. Unruh (1) nach Anspruch 4, dadurch gekennzeichnet, dass das zumindest eine Gewichtchen (7) zumindest zwei Trägheitsstellschrauben (12) aufweist.
  7. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie zumindest zwei Gewichtchen (7A, 7B) aufweisen, von denen jedes auf dem Fußkreis (5) in eine Lagerung (8A, 8B) eingesetzt ist, welche die Peripherie des Fußkreises (5) zu deren Aufnahme aufweist, von denen jedes Führungsmittel mit einem komplementären Profil zu den komplementären Führungsmitteln versehen ist, die die Lagerung (8A, 8B) aufweist, von denen jede zumindest zwei Teile (10, 11) aufweist, die in einer Ebene parallel zur Ebene (4) der Unruh (1) zueinander translationsregelbar sind und wobei jedes der Teile (10, 11) jedes der Gewichtchen (7A, 7B) aus einem Material gefertigt ist, welches dichter als ein erstes, den Fußkreis (5) bildendes Material ist.
  8. Unruh (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Gewichtchen (7A, 7B) zweifach symetrisch in Bezug auf eine durch die Nabe (2) und die Unruhachse (3) verlaufende Ebene oder/und zweifach symetrisch in Bezug auf die Nabe (2) sind.
  9. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jedes Gewichtchen (7) zumindest eine ebene Fläche oder eine Parallelfläche (26) parallel zur Unruhebene (4) oder eine Endfläche (27) senkrecht zur Unruhebene (4) und einen radialen Abschluss der Unruhachse (3) aufweist, wobei die ebene Fläche dazu ausgebildet ist, als Fertigungsplattform zum Hinzufügen oder Entfernen von Masse in einer Gleichgewichtsjustierung und der Frequenzeinstellung zu dienen und wobei das Gewichtchen (7) in jedem senkrecht zur Unruhebene (4) liegenden Abschnitt und in einer die Unruhachse (3) passierenden Ebene ein gebeugtes und/oder abschüssiges aerodynamisches Profil aufweist, um seine Luftreibung zu reduzieren.
  10. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsfläche (6) durchbrochen ist und von Rippen (30) getrennte Taschen (29) aufweist, die die gesamte Dicke der Verbindungsfläche (6) durchsetzen, und/oder nicht durchsetzende Sacklöcher (31) auf einem Drittel der Dicke der Verbindungsfläche (6) aufweist.
  11. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der besagte Fußkreis (5) einstückig mit der besagten Verbindungsfläche (6) ausgebildet ist und wobei die Nabe (2) aus Silizium oder aus einem mikrobearbeitbaren Material oder einem Quarz oder nach dem LIGA-Verfahren hergestellt ist.
  12. Unruh (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jedes der Teile des zumindest einen Gewichtchens (7) aus einem Material gefertigt ist, welches ein Schwermetall ist oder aus Berylliumbronze oder aus Gold oder aus Platin oder aus Tantal oder aus Molybdän oder aus einem ihrer Oxide oder ihrer Nitride oder aus einer ihrer Legierungen oder aus einer komplexen Entwicklung auf deren Basis ist.
  13. Spiralunruh, welche zumindest eine Unruh (1) nach einem der vorhergehenden Ansprüche enthält.
  14. Uhr, welche zumindest eine Spiralunruh nach dem vorhergehenden Anspruch oder zumindest eine Unruh (1) nach einem der Ansprüche 1 bis 12 enthält.
EP13184692.5A 2010-06-11 2010-06-11 Hochfrequenzunruh für Uhr Active EP2677369B1 (de)

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EP20100165704 EP2395402B1 (de) 2010-06-11 2010-06-11 Hochfrequenzunruh für Uhr
EP13184692.5A EP2677369B1 (de) 2010-06-11 2010-06-11 Hochfrequenzunruh für Uhr

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EP20100165704 Division-Into EP2395402B1 (de) 2010-06-11 2010-06-11 Hochfrequenzunruh für Uhr
EP10165704.7 Division 2010-06-11

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EP2677369A1 EP2677369A1 (de) 2013-12-25
EP2677369B1 true EP2677369B1 (de) 2015-01-14

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EP2410386B1 (de) * 2010-07-19 2018-10-03 Nivarox-FAR S.A. Unruh mit Trägheitsregulierung mit Einsatzteil
EP2551732B1 (de) * 2011-07-29 2020-05-06 Rolex S.A. Unruh mit optimierter Drehbewegung
EP2607970B1 (de) * 2011-12-22 2018-02-07 The Swatch Group Research and Development Ltd. Verfahren zur Verbesserung der Schwenkbarkeit eines mobilen Geräts
EP2795408B1 (de) * 2011-12-22 2018-01-24 The Swatch Group Research and Development Ltd. Verfahren zur verbesserung der schwenkbarkeit eines mobilen geräts
CH707527A2 (fr) * 2013-01-25 2014-07-31 Isa France Sas Pièce d'horlogerie oscillante telle que masse oscillante de remontoir ou balancier.
CH708657A1 (fr) 2013-10-02 2015-04-15 Sercalo Microtechnology Ltd Balancier pour mouvement d'horlogerie à moment d'inertie ajustable.
EP2990882B1 (de) * 2014-08-26 2020-01-15 Nivarox-FAR S.A. Unruh mit Trägheitsregulierung
EP3502786A1 (de) * 2017-12-22 2019-06-26 The Swatch Group Research and Development Ltd Unruh für uhr, und herstellungsverfahren einer solchen unruh
EP3796102B1 (de) * 2017-12-22 2022-04-20 The Swatch Group Research and Development Ltd Verfahren zur herstellung einer unruh für uhren
EP3647883A1 (de) * 2018-11-05 2020-05-06 CSEM Centre Suisse D'electronique Et De Microtechnique SA Unruh einer uhr
EP3671364A1 (de) * 2018-12-17 2020-06-24 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement

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CH16676A (fr) 1898-05-11 1899-01-15 Henri Sandoz Balancier de montre à moment d'inertie variable
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EP2395402A1 (de) 2011-12-14
EP2395402B1 (de) 2014-03-12

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