EP2790068A2 - Hemmungssystem für einen Spiralunruh-Schwinger - Google Patents

Hemmungssystem für einen Spiralunruh-Schwinger Download PDF

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Publication number
EP2790068A2
EP2790068A2 EP14157942.5A EP14157942A EP2790068A2 EP 2790068 A2 EP2790068 A2 EP 2790068A2 EP 14157942 A EP14157942 A EP 14157942A EP 2790068 A2 EP2790068 A2 EP 2790068A2
Authority
EP
European Patent Office
Prior art keywords
wheel
teeth
timepiece
fixed
pin
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.)
Granted
Application number
EP14157942.5A
Other languages
English (en)
French (fr)
Other versions
EP2790068A3 (de
EP2790068B1 (de
Inventor
Stéphane Beugin
Davide Sarchi
Polychronis Karapatis (Nakis)
Fabio Sciascia
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP14157942.5A priority Critical patent/EP2790068B1/de
Publication of EP2790068A2 publication Critical patent/EP2790068A2/de
Publication of EP2790068A3 publication Critical patent/EP2790068A3/de
Application granted granted Critical
Publication of EP2790068B1 publication Critical patent/EP2790068B1/de
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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels

Definitions

  • the invention relates to an exhaust system for a balance-spring resonator and, more particularly for such a high-amplitude resonator.
  • An exhaust system of a timepiece is intended to maintain and count the oscillations of the balance of a balance-spring resonator. To do this, it receives the energy dispensed by a barrel and at the end of the chain by a wheel of seconds in order to periodically let out a parcel of this motive energy to restore to the resonator the energy lost in passive resistances (for example the friction ), this resonator comprising a flywheel called pendulum on the axis of which is fixed a spiral spring called spiral.
  • the horological technique tends to increase the energy of the balance-spring resonator in order to improve its precision and its resistance to shocks, thanks to the increase in the inertia J of the balance and / or to the increase of the oscillation frequency f of the pendulum.
  • the increase of these parameters poses great difficulties.
  • the object of the present invention is to overcome all or part of the aforementioned drawbacks by proposing an alternative exhaust system for a spring-balance resonator which allows the increase of the mechanical energy E m of said resonator while avoiding the pitfalls mentioned above. -above.
  • the invention relates to a timepiece comprising a resonator formed by a balance associated with a hairspring and cooperating with an exhaust system characterized in that the exhaust system comprises a mobile escapement wheel arranged coaxially with the pendulum and driven by the wheel of the timepiece, a first fixed wheel having a first toothing and a second fixed wheel having a second toothing, the first fixed wheel being disposed inside of the second fixed wheel in the same plane leaving a space forming a closed channel, said first and second fixed wheels being disposed coaxially with the movable escape wheel and a device for fixing the outer end of the spiral comprising a part articulated by relative to the mobile escapement wheel and arranged to ensure, according to the state of arming of the spiral, a radial displacement of the ladi the outer end between the said first and second teeth to maintain the resonator and distribute its movement to the wheel of the timepiece
  • the invention relates to a timepiece comprising a resonator formed by a rocker associated with a hairspring and cooperating with an exhaust system characterized in that the exhaust system comprises an escape wheel.
  • mobile disposed coaxially with the balance wheel and driven by the wheel of the timepiece, a first fixed wheel having a first toothing and a second fixed wheel which, mounted above the first wheel, has a second toothing, the first toothing comprising an inner diameter smaller than that of the second toothing, said first and second fixed wheels being arranged coaxially with the movable escapement wheel and a device for fixing the outer end of the spiral comprising a part articulated with respect to the wheel of mobile exhaust and arranged to ensure, according to the state of winding of the hairspring, a radial displacement of said end ex between said first and second teeth to maintain the resonator and distribute its movement to the wheel of the timepiece.
  • the invention relates to a timepiece comprising a resonator formed by a balance associated with a hairspring and cooperating with an exhaust system characterized in that the exhaust system comprises an escape wheel mobile arranged coaxially with the balance wheel and driven by the gear of the timepiece, a first series of teeth and a second series of teeth, the series of teeth are distributed circularly and coaxially with the mobile escapement wheel, the first series of teeth being distributed circularly at a smaller radius than that of the second series of teeth in the same plane, and a device for fixing the outer end of the spiral comprising a part hinged to the movable escape wheel and arranged to ensuring, according to the state of winding of the hairspring, a radial displacement of said outer end between said first and second series of teeth to maintain the resonator and distribute its movement to the wheel of the timepiece.
  • the articulated part relative to the movable escape wheel preferably comprises at least one pin to cooperate with the first and second sets of teeth or series of teeth.
  • the articulated part of the fixing device comprises a first arm at the end of which is fixed a first pin arranged to cooperate with the first toothing of the first fixed wheel, and a second arm to the end of which is fixed a second pin arranged to cooperate with the second toothing of the second fixed wheel, each arm can be offset in height.
  • the exhaust system proposes, advantageously according to the invention, increasing the amplitude A oscillation of the balance in order to increase the mechanical energy E m of the resonator.
  • increasing the amplitude A of the oscillation of the balance will have a greater influence because the amplitude A is squared.
  • the present invention allows to maintain directly the spiral and not the balance as in the traditional exhausts.
  • the exhaust system can be triggered by the movement of the hairspring, for example by the radial displacement of its outer end.
  • FIG. figure 1 is a perspective view of an oscillator according to the invention, that is to say an exhaust system 18 coupled to a balance-spring resonator-spiral.
  • the resonator 15 according to the invention comprises a balance 1 associated with a spiral 2.
  • the spiral 2 is represented only by a limited number of turns. However, the spiral 2 may, of course, have a greater number of turns without departing from the scope of the invention.
  • the inner end 50 of the hairspring 2 is fixed on a shaft 43 such as, for example, by means of a ferrule (better visible in the figure 9 ) come form.
  • the balance 1 is also fixed on the shaft 43.
  • the exhaust system 18 comprises a movable escapement wheel 3 disposed coaxially with respect to the resonator 15.
  • the mobile escapement wheel 3 is driven by a wheel of seconds 4 belonging to the wheel of the timepiece which is engaged with a barrel providing the driving force of the timepiece.
  • the exhaust system 18 further comprises a first fixed wheel 5 having an external toothing 6 and a second fixed wheel 7 having an internal toothing 8.
  • the two fixed wheels 5, 7 of the exhaust system 18 are arranged coaxially with the mobile escapement wheel 3 and fixed to a fixed point of the timepiece, for example its plate, by means of screws 16 and 17.
  • the first and second fixed wheels 5 and 7 are arranged in the same plane, the first wheel 5 being placed inside the second wheel 7 leaving a space, forming a channel closed 56 substantially crenellated and symmetrical, wherein an ankle 14 can move.
  • the mobile escapement wheel 3 is provided with a device 9 for fixing the outer end 10 of the spiral 2 to arm the latter.
  • the fixing device 9 is arranged to ensure, according to the state of winding of the hairspring 2, a radial displacement of the outer end 10, the latter being brought to cooperate alternately with the toothing 6 of one then the toothing 8 of the other of the first 5 and second 7 fixed wheels. It is understood that this radial displacement allows the exhaust system 18 to ensure the maintenance of the resonator 15 and the escape of the seconds wheel 4.
  • FIG. 9 A cut of principle exerted on the figure 1 is shown in figure 9 .
  • the mobile escapement wheel 3 is associated with an internal element 40 that has come into shape in the example of the figure 9 .
  • the mobile escapement wheel assembly 3 - internal element 40 is made rotatable relative to a fixed point 42 of the timepiece, such as its plate, preferably using a ball bearing 41 .
  • the fixing device 9 comprises a bar 11 articulated to ensure the radial displacement of the outer end 10 of the spiral 2.
  • the bar 11 is mounted, on the one hand, on a pivoting pin 12 carried by the mobile escapement wheel 3 and, secondly, on the outer end 10 of the spiral 2.
  • the outer end 10 of the hairspring 2 is integral with the peg 14 which can evolve in the closed channel 56 substantially crenellated and symmetrical and being adapted to be fitted to the free end 13 of the bar 11.
  • the ankle 14 is formed according to the same material as the spiral 2 or ruby-based.
  • the figure 7 shows that the essential object of the present invention is achieved, namely the increase of the amplitude A of the oscillation of the balance.
  • the amplitude A of the balance 1 is of the order of 550 degrees, which greatly exceeds the 320 degrees reached by an anchor type exhaust system Swiss.
  • this increase in amplitude A is achieved by maintaining the resonator 15, that is to say by supplying energy, directly by the spring 2 by pulling its outer end 10 and by not the balance 1 itself as in traditional Swiss anchor escapements.
  • it is therefore no longer necessary to mount a plate on the balance shaft.
  • the figure 8 is a graph comparing the couples transmitted in milli-milli-millimeters (mNmm), on the one hand, to the resonator 15 equipping the present invention (E-pattern) and, on the other hand, to an energy equilibrium balance-spring resonator equipping an exhaust system of the Swiss anchor type (route F). It can be seen that the torque imparted to the resonator 15 according to the invention during the angle during which it is applied is much larger (maximum of the order of 0.25 mNmm) than that conferred on the spring balance resonator.
  • the figure 7 shows again that the angles ⁇ and ⁇ illustrated respectively on the figures 4 and 6 are substantially equal to each other at 30 degrees and are traveled ( ⁇ + ⁇ ) in 0.25 seconds for a frequency substantially equal to 4 Hz. It follows that the mobile escapement wheel 3 makes a turn in substantially 1.5 seconds. It is thus understood that this same rotational movement affects the resonator 15 which rotates in the manner of a vortex with a similar effect, that is to say that this rotation for averaging and correcting the effects of gravity on the resonator 15.
  • the exhaust system 18 makes it possible to correct the effects of gravity. It is also understood that the exhaust system 18 offers the guarantee of self-starting a high frequency movement even with a high rigidity, the increase in stability and the quality factor in the absence of shocks. maintenance, elimination of the risk of rebat and overturning that are intrinsic to the architecture, improving the performance of the exhaust functions because the losses are due solely to the friction in the pivots and a moving and reducing the number of components to be oiled by removing the anchor.
  • FIG. figure 10 a second embodiment of the exhaust system 21 according to the invention is illustrated in FIG. figure 10 .
  • the mobile escapement wheel 3 of the first embodiment is replaced by a toothing 19 formed on the outside of a cage 45.
  • the cage 45 encloses a resonator 20 which is of the same type as the resonator 15 of the first embodiment.
  • the rocker 1 and the inner end 50 of the hairspring 2 are fixed on a shaft 46 pivoting between the walls 47 and 48 of the cage 45.
  • the cage 45 of the exhaust system 21 is pivotally mounted between a bridge 49 and the center of the first fixed wheel 5.
  • FIGS. Figures 11 to 13 A third embodiment of exhaust system 22 according to the invention is illustrated in FIGS. Figures 11 to 13 .
  • the exhaust system 22 differs from the two previous embodiments in that the first and second fixed wheels 5 and 7 are made in one piece.
  • the resonator 23 of the third embodiment is of the same type as the resonator 15, of the first two embodiments.
  • the balance 1 equipped with balancing screw 70 and connected to the shaft 43 by means of four arms 71.
  • the shaft 43 is pivotally mounted between the bridge 44 and a bearing 72 secured to a block 51 which incorporates in one piece the outer teeth 6 and inner teeth 8, formed, in the first two embodiments, by the fixed wheels 5 and 7.
  • the balance 1 is associated with the spiral 24 having more turns than the spiral 2 of the first embodiment and the end of the inner coil 50 is fixed to the shaft 43 for example by means of a ferrule.
  • the end of the outer turn 10 is attached to the pin 14 fixed to the free end 13 of the bar 11, the latter being hinged to the pin 12 carried by the mobile escapement wheel 3 as for the first embodiment .
  • the mobile escapement wheel 3 is provided with a set of teeth 73 in engagement with the seconds wheel 4 also as for the first embodiment and is associated with the internal element 40 of a ball bearing 41 whose element external 42 is secured to the block 51 fixed to a fixed point of the timepiece, such as its platinum.
  • a fourth embodiment according to the invention is illustrated in the figure 14 .
  • the resonator 25 of the fourth embodiment is of the same type as the resonator 15, 20, 23 of the first three embodiments. Contrary to what has been shown in the three embodiments above in which the first and second fixed wheels 5, 7 were located in the same plane, in the fourth embodiment, the exhaust system 25 includes first and second fixed wheels 70, 71 which are placed one over the other.
  • the first and second fixed wheels 70, 71 respectively comprise first and second inner teeth 72, 73 which are superposed.
  • the fixing device 74 differs from that 9 of the first three embodiments.
  • the fixing device 74 comprises a rocker 75 articulated on a stud 12 carried by the mobile escapement wheel 3.
  • the rocker 75 carries a first arm 76 at the end of which are fixed the outer end 10 of the spiral 2 and a first pin 77 arranged to cooperate with the first teeth 72 of the first fixed wheel 70.
  • the rocker 75 still carries a second arm 78 at the end of which is fixed a second pin 79 arranged to cooperate with the second teeth 73 of the second fixed wheel 71.
  • each pin 77, 79 is formed according to the same material as the spiral 2 or ruby-based.
  • the figure 14 shows a spiral 2 of the type of the first embodiment in maximum expansion.
  • the first pin 77 is held locked against a first tooth 72 of the first fixed wheel 70.
  • the spring 2 contracts, the pin 77 moves radially inwardly causing the rocker 75 to pivot in a counterclockwise direction and the first pin 77 to free itself from a first tooth 72.
  • the second pin 79 of the rocker 75 then enters the space separating two second teeth 73 which releases the mobile escapement wheel 3 which then progresses by a first pulse angle by driving the wheel of the second wheel 4 the second pin 79 abuts against a second tooth 73 of the second fixed wheel 71.
  • a second pulse angle is traveled when, the spiral 2 expanding, the second pin 79 is released from the second tooth 73, the rocker 75 then rotating in the clockwise direction.
  • the first pin 77 then falls into the space between two first teeth 72 and the mobile escapement wheel 3 then a second pulse angle by driving the wheel of second 4 until the first pin 77 comes abut against a first tooth 72 of the first fixed wheel 70.
  • the fixed wheels 70 and 71 being arranged one on the other, the second pin 79 must have a shorter length relative to the length of the first pin 77.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the four embodiments presented above are capable of being combined in order to adapt to the implementation constraints while preserving the effects and advantages mentioned above common to the four embodiments.
  • the first 70 and second 71 fixed wheels of the fourth embodiment could be made in one piece as proposed in the third embodiment.
  • the arms 76, 78 of the articulated part 75 with respect to the mobile escapement wheel 3, 19, 45 are offset in height.
  • first and second teeth 6, 8, 72, 73 must be understood as abutments or contact surfaces for stopping and blocking said at least one pin 14, 77, 79.
  • the first and second teeth 6, 8, 72, 73 may be formed by pins, that is to say rods extending substantially parallel to said at least one pin 14, 77, 79 to enter contact with said at least one pin 14, 77, 79 according to the operation explained above. It is therefore understood that the first and / or second teeth 6, 8, 72, 73 may in some way be skeletonized, that is to say not be fully filled.
  • FIGS. Figures 15 to 17 a fifth embodiment of exhaust system 122 according to the invention is illustrated in FIGS. Figures 15 to 17 .
  • the exhaust system 122 differs from the previous embodiments in that the gap between the teeth is completely open and, more generally, the concept of first and second fixed wheels is no longer applicable because only the useful surfaces of the teeth are used.
  • the figures 16 and 17 were made respectively according to section XVI-XVI and by removing some of the elements of the figure 15 .
  • the resonator 123 of the fifth embodiment is close to the resonator 23 of the third embodiment. There is therefore the balance 101 connected to the shaft 143 by means of two arms 171.
  • the shaft 143 is pivotally mounted between the bridge 144 and a bearing 172 secured to a block 151 which incorporates in one piece the outer teeth 106 and inner teeth 108.
  • the rocker 101 is associated with the spiral 124 having more turns than the spiral 2 of the first embodiment and the end of the inner coil 150 is fixed to the shaft 143 for example by means of a ferrule.
  • the end of the outer turn 110 is attached to the pin 114 attached to the free end 113 of the hinged piece 111.
  • the piece 111 is articulated on the pin 112 carried by the mobile escapement wheel 103 as for the other embodiments.
  • the mobile escapement wheel 103 is provided with a set of teeth 173 in engagement with the seconds wheel 4, likewise for the other embodiments, and is associated with the internal element 140 of a ball bearing 141 whose element external 142 is secured to the block 151 fixed to a fixed point of the timepiece, such as its platinum.
  • the block 151 comprises a first series of teeth 106 and a second series of teeth 108.
  • the series of teeth 106, 108 are distributed circularly and coaxially with the movable escapement wheel 103.
  • the first series of teeth 106 is distributed circularly in the same plane and according to a radius more low that that of the second series of teeth 108.
  • the pin 114 is limited in radial clearance by a groove 180 formed in a plate 181 extending in cantilever from the inner diameter of the movable escapement wheel 103 to the shaft 143. It is therefore understood that the amplitude is limited by the stop between the pin 114 and the wall of the plate 181 around the groove 180.
  • magnetic bonding between said toothing and said at least one peg may also be provided. Therefore, by way of example, said at least one pin 14, 77, 79 may be magnetized and the teeth 6, 8, 72, 73 or teeth 106, 108 may be made of paramagnetic material having a magnetic permeability greater than 1, 5, or conversely, said at least one pin 14, 77, 79 may be magnetized and the teeth 6, 8, 72, 73 or teeth 106, 108 may be of paramagnetic material having a magnetic permeability greater than 1.5.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Transmission Devices (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Gears, Cams (AREA)
EP14157942.5A 2013-04-12 2014-03-05 Hemmungssystem für einen Spiralunruh-Schwinger Active EP2790068B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14157942.5A EP2790068B1 (de) 2013-04-12 2014-03-05 Hemmungssystem für einen Spiralunruh-Schwinger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13163484.2A EP2790067A1 (de) 2013-04-12 2013-04-12 Hemmungssystem für einen Spiralunruh-Schwinger
EP14157942.5A EP2790068B1 (de) 2013-04-12 2014-03-05 Hemmungssystem für einen Spiralunruh-Schwinger

Publications (3)

Publication Number Publication Date
EP2790068A2 true EP2790068A2 (de) 2014-10-15
EP2790068A3 EP2790068A3 (de) 2015-09-16
EP2790068B1 EP2790068B1 (de) 2016-11-02

Family

ID=48087449

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13163484.2A Withdrawn EP2790067A1 (de) 2013-04-12 2013-04-12 Hemmungssystem für einen Spiralunruh-Schwinger
EP14157942.5A Active EP2790068B1 (de) 2013-04-12 2014-03-05 Hemmungssystem für einen Spiralunruh-Schwinger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13163484.2A Withdrawn EP2790067A1 (de) 2013-04-12 2013-04-12 Hemmungssystem für einen Spiralunruh-Schwinger

Country Status (5)

Country Link
US (1) US8926167B2 (de)
EP (2) EP2790067A1 (de)
JP (1) JP5830562B2 (de)
CN (1) CN104102119B (de)
HK (1) HK1203093A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
EP3032351A1 (de) * 2014-12-09 2016-06-15 LVMH Swiss Manufactures SA Uhrmechanismus, Uhrwerk und Uhr mit solch einem Mechanismus
EP3128379B1 (de) * 2015-08-04 2019-10-02 The Swatch Group Research and Development Ltd. Hemmung mit hemmungsrad mit feldrampen und vorrichtung zur rücklaufsicherung
EP3128380B1 (de) * 2015-08-04 2018-11-21 ETA SA Manufacture Horlogère Suisse Uhreinstellmechanismus mit magnetisch synchronisierten dreharmen
EP3147725B1 (de) * 2015-09-28 2018-04-04 Nivarox-FAR S.A. Oszillator mit rotierendem gesperr
EP3182213B2 (de) * 2015-12-16 2020-10-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Einstellmechanismus der mittleren geschwindigkeit in einem uhrwerk, und entsprechendes uhrwerk
ITUA20162454A1 (it) * 2016-03-22 2017-09-22 Giovanni Domenico Maria Cefis Scappamento per meccanismi ad orologeria
EP3273309B1 (de) * 2016-07-21 2018-11-07 Montres Breguet S.A. Hybridoszillator einer uhr
CN111344640A (zh) * 2017-10-02 2020-06-26 爱彼钟表业制造有限公司 带有具有旋转重锤和共同返回力的谐波振荡器的钟表调校设备
JP1624221S (de) * 2017-12-21 2019-02-12
EP3579058B1 (de) * 2018-06-07 2021-09-15 Montres Breguet S.A. Uhr, die ein tourbillon umfasst

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Publication number Priority date Publication date Assignee Title
US1232285A (en) * 1916-10-19 1917-07-03 John H Greeley Escapement for clocks and watches.
FR690365A (fr) * 1930-02-21 1930-09-19 Echappement d'horloges et de montres
CH148185A (fr) * 1930-02-28 1931-07-15 L Braunschweig Fabrique Electi Dispositif pour régulariser la commande d'un organe rotatif entraîné dans les mouvements d'horlogerie, compteurs, etc.
US1895666A (en) * 1931-05-22 1933-01-31 Junghans Helmut Anchor escapement for clocks and the like
DE547261C (de) * 1931-05-23 1932-03-29 Helmut Junghans Ankerhemmung fuer Uhren
EP2141555B1 (de) * 2008-07-04 2011-04-06 The Swatch Group Research and Development Ltd. Gekoppelte Resonatoren für Uhr
CH702156B1 (fr) * 2009-11-13 2017-08-31 Nivarox Far Sa Résonateur balancier-spiral pour une pièce d'horlogerie.
EP2466397B1 (de) * 2010-12-20 2013-08-21 Blancpain S.A. Drehteil einer Uhr mit peripherem Antrieb
CH704611B1 (de) * 2011-03-07 2020-02-28 Montres Breguet Sa Hemmung und Oszillatorvorrichtung für eine mechanische Uhr.
EP2570871B1 (de) * 2011-09-14 2014-03-19 Montres Breguet SA Spirale mit zwei Spiralfedern

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Title
None

Also Published As

Publication number Publication date
EP2790068A3 (de) 2015-09-16
CN104102119B (zh) 2017-04-12
HK1203093A1 (en) 2015-10-16
US8926167B2 (en) 2015-01-06
EP2790067A1 (de) 2014-10-15
JP2014206534A (ja) 2014-10-30
EP2790068B1 (de) 2016-11-02
CN104102119A (zh) 2014-10-15
JP5830562B2 (ja) 2015-12-09
US20140307530A1 (en) 2014-10-16

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