EP3812842B1 - Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie - Google Patents

Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie Download PDF

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Publication number
EP3812842B1
EP3812842B1 EP19205001.1A EP19205001A EP3812842B1 EP 3812842 B1 EP3812842 B1 EP 3812842B1 EP 19205001 A EP19205001 A EP 19205001A EP 3812842 B1 EP3812842 B1 EP 3812842B1
Authority
EP
European Patent Office
Prior art keywords
support
pair
blades
strips
pivoting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19205001.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3812842A1 (fr
Inventor
Mohammad Hussein Kahrobaiyan
Gianni Di Domenico
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP19205001.1A priority Critical patent/EP3812842B1/fr
Priority to US17/065,648 priority patent/US11789407B2/en
Priority to JP2020173709A priority patent/JP7021326B2/ja
Priority to CN202011144579.0A priority patent/CN112711183B/zh
Publication of EP3812842A1 publication Critical patent/EP3812842A1/fr
Application granted granted Critical
Publication of EP3812842B1 publication Critical patent/EP3812842B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • 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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • 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

Definitions

  • the invention relates to a device for guiding the rotary pivoting of a pivoting mass.
  • the invention also relates to a watch resonator mechanism comprising such a pivoting guiding device.
  • the invention also relates to a clock movement comprising such a resonator mechanism.
  • Watch movements generally include a barrel, an escapement mechanism and a mechanical resonator mechanism.
  • the resonator mechanism includes a spring associated with an oscillating weight called a balance wheel and a pivot.
  • cross-blade pivots consisting of two straight-blade guide devices that cross each other, usually perpendicularly. These two blades can be either three-dimensional in two different planes, or two-dimensional in the same plane and are then welded at their crossing point.
  • EP3035127A1 And EP3438762A2 illustrate devices for guiding the rotary pivoting of a pivoting mass comprising a pair of crossed blades and a pair of uncrossed blades.
  • the invention seeks to avoid the aforementioned defects and aims to obtain flexible guidance having improved behavior, in particular for their use in a resonator mechanism of a watch movement.
  • the invention thus relates to a device for guiding the rotary pivoting of a pivoting mass, in particular for a watch movement.
  • the device is remarkable in that it comprises, arranged in series substantially in the same plane, a first support, a first pair of uncrossed blades, a second support, a pair of crossed blades and a third support, the pair of uncrossed blades including, a first and a second flexible blade connecting the first support to the second support without crossing, the pair of crossed blades comprising a third and a fourth flexible blade connecting the second support to the third support, the third and fourth flexible blades crossing between the second and the third support.
  • the invention it is possible to use high-performance flexible blade pivots in watch movement resonator mechanisms.
  • Such a device makes it possible to keep a more stable center of mass during the pivoting of the mass, so that the flexibility and the return torque are more linear, or having a chosen lack of linearity, for example compensating for an exhaust delay.
  • the device comprises a fourth support and a second pair of uncrossed blades, the second pair of uncrossed blades comprising a fifth and a sixth flexible blade connecting the third support to the fourth support without crossing.
  • the device comprises a fifth and a sixth support.
  • the device comprises a third and a fourth pair of uncrossed blades, the third being mounted between the first support and the fifth support, and the fourth being mounted between the fourth and the sixth support.
  • the fifth support is arranged between the first and the second support, and the sixth support is arranged between the third and the fourth support, when the device is at rest.
  • the fifth support is arranged beyond the first support, and the sixth is arranged beyond the fourth support.
  • the third pair of uncrossed blades is arranged in a head-to-tail position with the first pair of uncrossed blades
  • the fourth pair of uncrossed blades is arranged in a head-to-tail position with the second pair of blades. uncrossed.
  • the second and the third support comprise arms for holding the flexible blades.
  • the first and the fourth support comprise arms for holding the flexible blades.
  • the fifth support is intended to be fixed, the other supports being intended to be mobile, the sixth support being intended to form or support the pivoting mass.
  • the device comprises two sets of supports and pairs of superimposed blades, one of the supports forming a support common to the two sets.
  • the first support is intended to be fixed, the other supports being intended to be mobile, the third support being intended to form or support the pivoting mass.
  • the third support is intended to be fixed, the other supports being intended to be mobile, the first support being intended to form or support the pivoting mass.
  • two flexible blades of the same pair are of equal length.
  • two blades of a pair of crossed blades intersect substantially in their center.
  • the invention also relates to a clockwork resonator mechanism comprising a pivoting mass arranged to pivot rotatably around a virtual pivot axis, the mechanism comprising a flexible guide device in rotary pivoting according to the invention.
  • the invention also relates to a clock movement comprising such a clock resonator mechanism.
  • the invention relates to a device for guiding the rotary pivoting of a pivoting mass, for example for a resonator mechanism comprising a pivoting mass in a watch movement.
  • FIG. 1 shows a first basic embodiment of such a device 1 according to the invention.
  • the device 1 is preferably arranged substantially in the same plane P.
  • the device 1 comprises from upstream to downstream, mounted in series according to the arrangement of the guide device, a first fixed support 2, a pair of uncrossed blades 5 , 6, a second rotating support 3, a pair of crossed blades 7, 8 and a third support 4 intended to form or support the pivoting mass.
  • the three supports 2, 3, 4 here have the shape of an arc of a circle forming an angle of between 60 and 120°.
  • the arc of the first support 2 is larger than that of the second 3, and of the third 4 on the figure 1 , with a ratio of at least one in two, or even one in three or four.
  • the first 2 and the second support 3 are parallel, but the third support 4 is arranged symmetrically in the other direction, the interior of the arc being opposite that of the second support 3.
  • the supports 2, 3, 4 can have shapes different from those shown in the figures, for example straight.
  • the pair of uncrossed blades 5, 6 comprises a first 5 and a second flexible blade 6 connecting the first support 2 to the second support 3.
  • the two flexible blades 5, 6 are of the same length, and are arranged symmetrically with respect to the axis A of device 1, when the device is in the rest position.
  • the flexible blades 5, 6 extend from the inside from the arc of a circle of the first support 2, to the outside of the arc of a circle of the second support 3.
  • the first support 2 being larger than the second 3, the two blades 5, 6 approach each other one towards the other approaching the second support 2.
  • the first 5 and the second flexible blade 6 do not cross between the two supports.
  • each of them is oriented in one direction, the two directions crossing at a first virtual point 9 beyond the supports, here beyond the second support 3.
  • the two blades are in the same plane and form between them an angle between 5 and 130°, preferably between 25 and 110°.
  • the pair of crossed blades 7, 8 comprises a third 7 and a fourth 8 flexible blade connecting the second support 3 to the third support 4.
  • the third 7 and fourth 8 flexible blades are of the same length, which is here shorter than the first 5 and the second 6 blade of the pair of uncrossed blades.
  • the third 7 and the fourth 8 flexible blade are slightly offset in height to avoid touching each other during the oscillations of the device 1. They form an angle between them between 0° and 180°, preferably between 20° and 50°.
  • the third 7 and the fourth 8 flexible blade intersect at a second point 11 located between the second 3 and the third 4 support when the device 1 is at rest.
  • the second point 11 is arranged in the middle of the two blades 7, 8.
  • the third 7 and the fourth blade 8 intersect at their respective centers.
  • the dimensions of the blades 5, 6, 7, 8 and the supports 2, 3, 4 are chosen such that the first 9 and the second point 11 are located substantially in the same place when the device 1 is at rest. , as shown in figure 1 .
  • the blades 5, 6, 7, 8 advantageously have a similar, or even identical, section inertia.
  • flexible blades 5, 6, 7, 8 usually used in watchmaking in resonator mechanisms.
  • the invention is illustrated in a particular preferred case where the flexible blades 5, 6, 7, 8 are straight.
  • Other geometries are nevertheless possible, for example in the shape of a serpentine, or others.
  • the first support 2 remains fixed
  • the second support 3 oscillates thanks to the first 5 and the second 6 flexible blade according to a first stroke angle
  • the third support 4 oscillates thanks to the third 7 and to the fourth 8 flexible blade at a second stroke angle greater than the first angle.
  • the oscillation takes place around a virtual axis perpendicular to the plane of device 1.
  • the third support 4 is fixed, while the first 2 and the second 3 support are movable, the first support 2 being intended to form or support the weight of the oscillation mechanism.
  • the second support 3 has an angular travel less than that of the first support 2 in this case.
  • the device 10 comprises a second pair of uncrossed blades 13, 14 mounted in series with the pair of crossed blades 7, 8, as well as a fourth support 12 intended to form or support the pivoting mass.
  • a second pivot with uncrossed blades 13, 14 is formed, in series with the pivot with crossed blades.
  • the pair of crossed blades 7, 8 is arranged between two pairs of uncrossed blades 5, 6, 13, 14.
  • the third support 4 is not intended to form or support the pivoting mass, but it remains mobile , while the first support 2 is fixed.
  • the fourth support 12 has, in the example illustrated, the same arc shape and the same size as the first support 2, but it is arranged in the other direction parallel to the third support 4.
  • the fourth support 12 and the second pair of uncrossed blades 13, 14 are arranged by symmetry of the first pair of uncrossed blades 5, 6 and the first support 2 with respect to the axis of symmetry B of the device 1, which is perpendicular to the axis A.
  • the axis of symmetry A of the device 1 passes through all the supports 2, 3, 4, 12, while the axis of symmetry B does not pass through the supports 2, 3, 4, 12.
  • the second pair of uncrossed blades 13, 14 comprises a fifth 13 and a sixth flexible blade 14 connecting the third support 4 to the fourth support 12 without crossing, in the same way as the first pair of uncrossed blades 5, 6 connects the first support 2 to the second 3.
  • the directions of the blades 13 and 14 intersect at a virtual point beyond the supports 4 and 12, which is located substantially at the first and second points 9 and 11.
  • the first 9 and the second 11 point form the center of rotation of the device 10.
  • the device 10 is configured so that the center of mass of the balance wheel is arranged on the center of rotation of the device 10.
  • the device 10 is configured so that the center of mass of the balance wheel is arranged at a predefined distance from the center of rotation of the device 10, on the axis A.
  • the dimensions of the pivots are chosen so that the two pivots with uncrossed blades compensate for the anisochronism of the pivot with crossed blades.
  • the device 20 comprises two sets 25, 27, each set 25, 27 corresponding to a guiding device according to the second embodiment of the figure 2 , the two sets 25, 27 being superimposed.
  • THE two sets 25, 27 are arranged on two parallel planes to be able to pivot without the blades or supports colliding.
  • the first set 25 is arranged below the second set 27 on the Figure 3 .
  • the two sets 25, 27 are superimposed head to tail and connected to each other by a common movable support 23 forming the fourth support of the first set 25 and also the first support of the second set 27.
  • the travel is increased angular of the device 20 thanks to this series assembly.
  • the fourth support 22 of the second set 27 has the greatest angular travel and is intended to form or support the pivoting mass.
  • the fifth 13 and the sixth 14 flexible blade of the first set 25, as well as the first 15 and the second 16 flexible blade of the second set 27 are connected to the common support 23.
  • the other flexible blades 5, 6, 7, 8, 17, 18, 24, 26 are in the same configuration as the device 10 of the second embodiment.
  • the supports 3, 4, 19, 21, 22 23 and the blades 5, 6, 7, 8, 17, 18, 24, 26 are superimposed in an inverted position when the device 20 is at rest.
  • the second support 19 of the second set 27 is arranged above the third support 4 of the first set 25, and the third support 21 of the second set 27 is arranged above the second support 3 of the first set 25.
  • the fourth support 22 of the second device 27 is arranged above the first support 2 of the first set 25.
  • the fourth support 22 of the second set 27 oscillates above the first fixed support 2 of the first set 25, when the device 20 is Operating.
  • THE figure 4 to 6 represent embodiments in which the device 30, 40, 50 comprises a third and a fourth pair of uncrossed blades 41, 42, 45, 46, 61, 62, 67, 68, 81, 82, 87, 88 in addition to the two first ones and the pair of crossed blades of the device according to the second embodiment.
  • the third pair 41, 42, 61, 62, 81, 82 is mounted upstream of the first pair of uncrossed blades 35, 36, 65, 66, 85, 86, and the fourth pair 45, 46, 67, 68, 87, 88 is mounted downstream of the second pair of uncrossed blades 43, 44, 63, 64, 83, 84.
  • the device comprises a fifth support 48, 58, 78 connected to the first support 32, 52, 72 by the third pair of uncrossed blades 41, 42, 61, 62, 81, 82, as well as a sixth support 47, 57, 77 connected to the fourth support 31, 51, 71 by the fourth pair of uncrossed blades 45, 46, 67 , 68, 87, 88.
  • the third pair comprises a seventh 41, 61, 81 and an eighth flexible blade 42, 62, 82
  • the fourth pair comprises a ninth 45, 67, 87 and a tenth flexible blade 46, 68, 88.
  • the blades of a pair are arranged symmetrically on either side of the axis of symmetry A of the device 30, 40, 50.
  • the fifth support 48, 58, 78 and the sixth support 47, 57, 77 have also an arc shape, which is identical for each respective device.
  • each device 30, 40, 50 is substantially arranged in a plane.
  • the fifth 48 and the sixth support 47 are arranged, respectively, between the first 32 and the second support 33, and between the third 34 and the fourth support 31.
  • the fifth 48 and sixth 47 supports have the shape of an arc of a circle similar and are arranged in the same direction, respectively, as the first 32 and the second support 33 for one, the third 34 and the fourth support 31 for the other.
  • the fifth 43 and sixth blade 44 flexible are arranged on either side of the sixth support 47, when the device is in the rest position.
  • the fifth 48 and the sixth support 47 each further comprise a clip 39, 49 in the form of a tongue having two fixing holes.
  • the tongues are arranged on the exterior part of the arc in the direction, respectively, of the first 32 and fourth supports 31.
  • the first 35 and the second flexible blade 36 are arranged on either side of the fifth support 48, when the device is in the rest position.
  • the fifth and sixth embodiment of the figures 5 and 6 present a configuration in which the fifth support 58, 78 and the sixth support 57, 77 are arranged, respectively, beyond the first 52, 72 and beyond the fourth support 51, 71. We understand “beyond” in relation to in the center of the device.
  • the second and third supports 53, 54 comprise at each end of the arc, a curved arm 59, 69 extending, respectively, around the first support 52 and the fourth support 51.
  • the four arm 59, 69 describes a deformed arc whose curvature is oriented towards the outside of the device 40 and becomes accentuated as it approaches the free end.
  • Each free end of the arms is connected to the first 52 or to the fourth support 51, by the first 65 and the second flexible blade 66 for the second support 53, the fifth 63 and the sixth flexible blade 64 for the fourth support 54.
  • the first 72 and the fourth support 71 comprise at each end of the arc, an arm 79 89 extending, respectively, towards the fifth 78 and the sixth support 77.
  • the four arms 79, 89 have the shape of a rectilinear segment, each free end of which is folded substantially at 90°.
  • the two folded ends of the first support 72 are connected to the second support 73 by the first flexible blade 85 for one and the second flexible blade 86 for the other.
  • the two folded ends of the fourth support 71 are connected to the third support 74 by the fifth flexible blade 83 for one and by the sixth flexible blade 84 for the other.
  • FIG. 7 shows a seventh embodiment of a device 60 comprising two sets 95, 99 of supports and pairs of superimposed blades.
  • Each assembly 95, 99 generally corresponds to the device of the type described for the fourth embodiment.
  • the assemblies 95, 99 are arranged head to tail, that is to say they are inverted relative to each other.
  • the two assemblies 95, 99 are arranged on two parallel planes to be able to pivot without the blades colliding.
  • a common support 90 forms both the sixth support of the first set 95 and also the fifth support of the second set 99.
  • the device 60 therefore has eleven supports 31, 32, 33, 34, 48, 90, 91, 92, 93, 94, 98 different.
  • the first support 32 of the first device 95 is arranged under the fourth support 91 of the second set 99
  • the second support 33 of the first set 95 is arranged under the third support 94 of the second set 99
  • the third support 34 of the first set 95 is arranged under the second support 93 of the second set 99
  • the fourth support 31 of the first set 95 is arranged under the first support 92 of the second set 99
  • the fifth support 48 of the first set 95 is arranged under the sixth support 98 of the second set 99.
  • the sixth support 98 of the second set 99 is intended to form or support the pivoting mass.
  • FIG 8 shows a resonator mechanism 70 comprising a device 101 according to the second embodiment and a monolithic balance 102.
  • the balance 102 has the shape of a ring connected to the external side of the fourth support 105 by an axial arm 104, the first support 106 of the device 101 being fixed.
  • the ring surrounds the device 101 while remaining substantially in its plane.
  • the balance 102 further comprises weights 103, here four, which are arranged on the ring to modify and adjust the center of mass and the inertia desired for the balance 102.
  • the weights are preferably eccentric.
  • the balance wheel 107 comprises an axial arm 108 and a frustoconical head 109 at each end.
  • the heads 109 are provided with screws 111 which can be actuated to modify the center of mass and the inertia of the balance 107.
  • the arm 108 has two orifices 112 to be assembled with the mobile support 115 of the device 110 according to the second mode of realization.
  • the mobile support 115 comprises a fastener 113 arranged on the axis A of the device 110 and provided with two holes 114 corresponding to the orifices 112 of the balance 107 for assembly.
  • the devices described in the application can be associated with an anti-shock table 119, as described in the system 90 of the Figure 10 .
  • the device 120 of the second embodiment is linked to an arm of a rigid L-shaped support 121 by a first pair of flexible blades 122.
  • the rigid support 121 is itself connected to a plate or a bridge 124 by a second pair of flexible blades 123 from the other arm of the L.
  • the anti-shock table 119 makes it possible to absorb the shocks in the event of an impact to avoid harming the movement of the device 120.
  • the first support 125 of the device 120 can also be mobile.
  • the fourth support 126 of the device 120 is intended to be assembled with a balance wheel.
  • the blades are fixed to the supports by fixed connections, for example by embedding in the support.
  • the flexible blades may be blades having rigid parts and flexible parts.
  • a blade can for example be formed of one or more rigid portions connected by flexible blades or flexible necks.
  • a neck is, for example, a reduction in the thickness of the rigid part, which makes the neck flexible.
  • the supports and the blades form a single piece assembly.
  • This monobloc assembly can be produced by technologies of the “MEMS” or “LIGA” type or similar, in silicon or similar, thermally compensated, in particular by a particular local growth of silicon dioxide, in certain areas of the part arranged for this purpose. , when this monobloc assembly is made of silicon.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
  • Gyroscopes (AREA)
  • Transmission Devices (AREA)
  • Electric Clocks (AREA)
EP19205001.1A 2019-10-24 2019-10-24 Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie Active EP3812842B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19205001.1A EP3812842B1 (fr) 2019-10-24 2019-10-24 Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie
US17/065,648 US11789407B2 (en) 2019-10-24 2020-10-08 Pivoting guide device for a pivoting mass and timepiece resonator mechanism
JP2020173709A JP7021326B2 (ja) 2019-10-24 2020-10-15 枢動質量体のための枢動案内デバイス及び計時器共振器機構
CN202011144579.0A CN112711183B (zh) 2019-10-24 2020-10-23 用于枢转质量块的枢转引导装置和钟表谐振器机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19205001.1A EP3812842B1 (fr) 2019-10-24 2019-10-24 Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie

Publications (2)

Publication Number Publication Date
EP3812842A1 EP3812842A1 (fr) 2021-04-28
EP3812842B1 true EP3812842B1 (fr) 2023-11-29

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EP19205001.1A Active EP3812842B1 (fr) 2019-10-24 2019-10-24 Dispositif de guidage en pivotement pour une masse pivotante et mécanisme résonateur d'horlogerie

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Country Link
US (1) US11789407B2 (zh)
EP (1) EP3812842B1 (zh)
JP (1) JP7021326B2 (zh)
CN (1) CN112711183B (zh)

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GB2413043B (en) * 2004-04-06 2006-11-15 Wolfson Ltd Clock synchroniser and clock and data recovery apparatus and method
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JP6166847B2 (ja) * 2013-12-23 2017-07-19 ニヴァロックス−ファー ソシエテ アノニム 磁気的及び／又は静電気的な共振器
EP3035127B1 (fr) * 2014-12-18 2017-08-23 The Swatch Group Research and Development Ltd. Oscillateur d'horlogerie à diapason
EP3035126B1 (fr) * 2014-12-18 2017-12-13 The Swatch Group Research and Development Ltd. Résonateur d'horlogerie à lames croisées
HK1209578A2 (zh) * 2015-02-17 2016-04-01 Master Dynamic Ltd 矽游絲
SG11201801765XA (en) * 2015-09-29 2018-04-27 Patek Philippe Sa Geneve Flexible-pivot mechanical component and timekeeping device including same
CH712068B1 (fr) * 2016-01-29 2019-11-29 Eta Sa Mft Horlogere Suisse Mécanisme résonateur d'horlogerie à pivot virtuel.
CH712958B1 (fr) 2016-09-27 2021-01-15 Csem Ct Suisse Delectronique Microtechnique Sa Rech Developpement Elément oscillant et oscillateur mécanique horloger comprenant un tel élément oscillant.
CH713150A2 (fr) * 2016-11-23 2018-05-31 Eta Sa Mft Horlogere Suisse Mécanisme régulateur à résonateur rotatif à guidage flexible entretenu par un échappement libre à ancre.
CH713151B1 (fr) * 2016-11-23 2020-09-30 Swatch Group Res & Dev Ltd Lame flexible pour l'horlogerie, et procédé de fabrication.
EP3336613B1 (fr) * 2016-12-16 2020-03-11 Association Suisse pour la Recherche Horlogère Resonateur pour piece d'horlogerie comportant deux balanciers agences pour osciller dans un meme plan
EP3425458A1 (fr) * 2017-07-07 2019-01-09 ETA SA Manufacture Horlogère Suisse Pièce sécable d'oscillateur d'horlogerie
EP3438762A3 (fr) * 2017-07-28 2019-03-13 The Swatch Group Research and Development Ltd Oscillateur d'horlogerie a guidages flexibles a grande course angulaire
CH714093A2 (fr) * 2017-08-29 2019-03-15 Swatch Group Res & Dev Ltd Pivot isochrone pour résonateur d'horlogerie.
EP3476748B1 (fr) * 2017-10-24 2020-07-15 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Mécanisme pivot à éléments flexibles
EP3502784B1 (fr) * 2017-12-22 2020-06-10 Patek Philippe SA Genève Résonateur horloger à guidage flexible

Also Published As

Publication number Publication date
EP3812842A1 (fr) 2021-04-28
US11789407B2 (en) 2023-10-17
CN112711183B (zh) 2022-04-12
CN112711183A (zh) 2021-04-27
JP7021326B2 (ja) 2022-02-16
US20210124307A1 (en) 2021-04-29
JP2021067685A (ja) 2021-04-30

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