EP2790067A1 - Hemmungssystem für einen Spiralunruh-Schwinger - Google Patents

Hemmungssystem für einen Spiralunruh-Schwinger Download PDF

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Publication number
EP2790067A1
EP2790067A1 EP13163484.2A EP13163484A EP2790067A1 EP 2790067 A1 EP2790067 A1 EP 2790067A1 EP 13163484 A EP13163484 A EP 13163484A EP 2790067 A1 EP2790067 A1 EP 2790067A1
Authority
EP
European Patent Office
Prior art keywords
wheel
fixed
timepiece
pin
teeth
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.)
Withdrawn
Application number
EP13163484.2A
Other languages
English (en)
French (fr)
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 EP13163484.2A priority Critical patent/EP2790067A1/de
Priority to EP14157942.5A priority patent/EP2790068B1/de
Priority to US14/220,223 priority patent/US8926167B2/en
Priority to JP2014077514A priority patent/JP5830562B2/ja
Priority to CN201410145416.2A priority patent/CN104102119B/zh
Publication of EP2790067A1 publication Critical patent/EP2790067A1/de
Priority to HK15103585.8A priority patent/HK1203093A1/xx
Withdrawn legal-status Critical Current

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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 articulated part relative to the movable escape wheel comprises, preferably, at least one peg to cooperate with the first and second sets 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 of the oscillation of the balance in order to increase the mechanical energy E m of 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.
  • first fixed wheel 5 having an external toothing 6
  • 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.
  • 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 closed channel 56 substantially crenellated and symmetrical, wherein an anchor 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 exhaust system Swiss anchor type.
  • 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).
  • the torque imparted to the resonator 15 according to the invention during the angle during which it is applied is significantly greater (maximum of the order of 0.25 mNmm) than that conferred on the balance-spring resonator of a conventional exhaust system (maximum of the order of 0.06 mNmm), which explains an acceleration more rapid pendulum 1 according to the invention and, incidentally, allows to achieve a greater amplitude of its oscillation.
  • the instantaneous speed during the passage through the rest point is greater.
  • the lower instantaneous speed is a crippling intrinsic limitation.
  • 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 makes it possible to average and correct 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 articulated on 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.
  • FIG. figure 14 a fourth embodiment according to the invention is illustrated in FIG. 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.
  • 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 by compared to the length of the first peg 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 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.
  • 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 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 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)
  • Gears, Cams (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP13163484.2A 2013-04-12 2013-04-12 Hemmungssystem für einen Spiralunruh-Schwinger Withdrawn EP2790067A1 (de)

Priority Applications (6)

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
US14/220,223 US8926167B2 (en) 2013-04-12 2014-03-20 Escapement system for a sprung balance resonator
JP2014077514A JP5830562B2 (ja) 2013-04-12 2014-04-04 調速共振器のための脱進機システム
CN201410145416.2A CN104102119B (zh) 2013-04-12 2014-04-11 用于游丝摆轮谐振器的擒纵系统
HK15103585.8A HK1203093A1 (en) 2013-04-12 2015-04-13 Escapement system for a sprung balance resonator

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
EP2790067A1 true EP2790067A1 (de) 2014-10-15

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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

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EP14157942.5A Active EP2790068B1 (de) 2013-04-12 2014-03-05 Hemmungssystem für einen Spiralunruh-Schwinger

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3147725A1 (de) * 2015-09-28 2017-03-29 Nivarox-FAR S.A. Oszillator mit rotierendem gesperr
ITUA20162454A1 (it) * 2016-03-22 2017-09-22 Giovanni Domenico Maria Cefis Scappamento per meccanismi ad orologeria

Families Citing this family (9)

* 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
EP3128380B1 (de) * 2015-08-04 2018-11-21 ETA SA Manufacture Horlogère Suisse Uhreinstellmechanismus mit magnetisch synchronisierten dreharmen
EP3128379B1 (de) * 2015-08-04 2019-10-02 The Swatch Group Research and Development Ltd. Hemmung mit hemmungsrad mit feldrampen und vorrichtung zur rücklaufsicherung
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
CH712726A2 (fr) * 2016-07-21 2018-01-31 Montres Breguet Sa Oscillateur balancier-spiral d'horlogerie à pivot magnétique.
US20210208537A1 (en) * 2017-10-02 2021-07-08 Manufacture D'horlogerie Audemars Piguet Sa Timepiece setting device with harmonic oscillator having rotating weights and a common recoil strength
JP1624216S (de) * 2017-12-21 2019-02-12
EP3579058B1 (de) * 2018-06-07 2021-09-15 Montres Breguet S.A. Uhr, die ein tourbillon umfasst

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR690365A (fr) * 1930-02-21 1930-09-19 Echappement d'horloges et de montres
FR726956A (fr) * 1931-05-23 1932-06-10 échappement à ancre pour horloge, pendule, montre, etc.
EP2498141A2 (de) * 2011-03-07 2012-09-12 Creaholic SA Hemmung für mechanische Uhr

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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.
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
DE602008006057D1 (de) * 2008-07-04 2011-05-19 Swatch Group Res & Dev 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
EP2570871B1 (de) * 2011-09-14 2014-03-19 Montres Breguet SA Spirale mit zwei Spiralfedern

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR690365A (fr) * 1930-02-21 1930-09-19 Echappement d'horloges et de montres
FR726956A (fr) * 1931-05-23 1932-06-10 échappement à ancre pour horloge, pendule, montre, etc.
EP2498141A2 (de) * 2011-03-07 2012-09-12 Creaholic SA Hemmung für mechanische Uhr

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3147725A1 (de) * 2015-09-28 2017-03-29 Nivarox-FAR S.A. Oszillator mit rotierendem gesperr
CN106557009A (zh) * 2015-09-28 2017-04-05 尼瓦洛克斯-法尔股份有限公司 具有旋转制动器的振荡器
KR20170037823A (ko) * 2015-09-28 2017-04-05 니바록스-파 에스.에이. 회전 멈춤쇠를 구비한 오실레이터
US9921547B2 (en) 2015-09-28 2018-03-20 Nivarox-Far S.A. Oscillator with rotating detent
KR101944586B1 (ko) 2015-09-28 2019-01-31 니바록스-파 에스.에이. 회전 멈춤쇠를 구비한 오실레이터
CN106557009B (zh) * 2015-09-28 2019-05-07 尼瓦洛克斯-法尔股份有限公司 具有旋转制动器的振荡器
ITUA20162454A1 (it) * 2016-03-22 2017-09-22 Giovanni Domenico Maria Cefis Scappamento per meccanismi ad orologeria

Also Published As

Publication number Publication date
CN104102119B (zh) 2017-04-12
US20140307530A1 (en) 2014-10-16
US8926167B2 (en) 2015-01-06
JP2014206534A (ja) 2014-10-30
CN104102119A (zh) 2014-10-15
EP2790068A3 (de) 2015-09-16
HK1203093A1 (en) 2015-10-16
EP2790068A2 (de) 2014-10-15
JP5830562B2 (ja) 2015-12-09
EP2790068B1 (de) 2016-11-02

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