EP3812846A1 - Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie - Google Patents

Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie Download PDF

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Publication number
EP3812846A1
EP3812846A1 EP19205005.2A EP19205005A EP3812846A1 EP 3812846 A1 EP3812846 A1 EP 3812846A1 EP 19205005 A EP19205005 A EP 19205005A EP 3812846 A1 EP3812846 A1 EP 3812846A1
Authority
EP
European Patent Office
Prior art keywords
bridge
plane
bearing faces
bearing
adjustment
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.)
Pending
Application number
EP19205005.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Pascal WINKLER
Jean-Luc Helfer
Raphaël Courvoisier
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP19205005.2A priority Critical patent/EP3812846A1/fr
Priority to US17/027,775 priority patent/US11899404B2/en
Priority to JP2020160441A priority patent/JP7116764B2/ja
Priority to RU2020134765A priority patent/RU2754522C1/ru
Priority to CN202011145838.1A priority patent/CN112711181B/zh
Publication of EP3812846A1 publication Critical patent/EP3812846A1/fr
Pending 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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/022—Bridges
    • 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
    • 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
    • G04B15/12—Adjusting; Restricting the amplitude of the lever or the like
    • 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
    • G04B17/04—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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears

Definitions

  • the present invention relates to an assembly and alignment device, in particular for a clockwork resonator mechanism.
  • the invention also relates to a resonator mechanism for a watch movement provided with such a device.
  • Watch movements generally include a barrel, an escape mechanism and a mechanical resonator mechanism.
  • the resonator mechanism comprises a spring associated with an oscillating weight called a balance.
  • Today flexible guides are used as a spring.
  • flexible guides require particular configurations of the other elements of the resonator mechanism.
  • the anchors usually used are not suitable, because they have too great an angular travel for flexible guides.
  • materials and shapes compatible with such flexible guidance are used. But these configurations require that the position of the flexible guide be exact and that it can be controlled with great precision for the mechanism to operate.
  • An aim of the invention is therefore to provide a fixing and alignment device, in particular for a clock resonator mechanism which avoids the aforementioned problems.
  • the invention relates to a device for assembling and aligning on a first bridge, in particular a plate for a clockwork movement, arranged in a first plane, the device comprising a second bridge arranged in a second plane, the second bridge being intended to support a component, in particular a moving component of a clockwork resonator mechanism.
  • the device is remarkable in that it comprises alignment means comprising at least two bearing faces of the second bridge arranged orthogonally to the second plane in two different directions, the alignment means further comprising at least two adjustment parts. movable mechanically linked to the first bridge, the adjustment parts each being configured to come into contact with one of said bearing faces to position the second bridge in a position determined on the first bridge, the moving parts making it possible to define a plurality of positions of the second bridge on the first
  • this device it is possible to assemble two bridges with great precision, in order to be able to precisely align watch components, in particular for watch resonator mechanisms with flexible blades.
  • the bearing faces and the adjustment parts make it possible to form centers of rotation around which the second bridge can partly rotate.
  • these centers of rotation offer degrees of freedom to the second bridge to be placed in the best configuration, in particular so that components arranged on the first and the second bridge are properly aligned, for example between an anchor and a balance wheel.
  • a flexible blade resonator The device makes it possible in particular to position the second bridge relative to the first bridge, the second bridge being in contact with the first.
  • the device comprises three bearing faces and three adjustment parts, the three bearing faces being orthogonal to the second plane in three different directions.
  • the two bearing faces are substantially perpendicular.
  • the third bearing face forms an angle of 45 ° with each of the other two bearing faces.
  • each adjustment part is rounded to form a pivot around which one of the bearing faces can rotate when an adjustment part is actuated.
  • each bearing face borders a passage towards the first bridge, the three movable adjustment parts being each disposed in one of said passages.
  • the adjustment parts are movable in rotation.
  • the adjustment parts are studs or screws each arranged in a passage orthogonally to the second plane, each screw being provided with a head and a rod, at least one of said screws being eccentric. , preferably all three, the head being intended to be in contact with the bearing face.
  • the adjustment parts are screws arranged in the second plane, each screw being provided with a head and a rod, the rod being intended to be in contact with the bearing face. According to an advantageous embodiment, the adjustment parts are movable in translation.
  • At least one of the passages preferably the three passages, has an oblong shape, the bearing face being defined by one side of said shape.
  • each passage has a width substantially equal to the width of the head of the screws.
  • the device comprises elastic prestressing means for maintaining the bearing faces against the adjustment means.
  • the first bridge has graduations to indicate the position of the second bridge.
  • the device comprises means for locking the second bridge on the first.
  • the invention also relates to a resonator mechanism, in particular for a watch movement, comprising a first bridge, in particular a plate for a watch movement.
  • the movement is remarkable in that it comprises an assembly and alignment device according to the invention.
  • the components In a watch movement, especially in a resonator mechanism with flexible blades, the components must be fixed and aligned with precision.
  • the components include for example a pivot with flexible blades, a balance assembled with the pivot with flexible blades, an anchor whose reciprocating movement is caused by the balance and an escape wheel whose rate of rotation is controlled by the movement of the anchor.
  • the figure 1 shows a first embodiment of an assembly and alignment device 1 of a component on a first bridge 2 arranged in a first plane.
  • the first bridge 2 is for example a clockwork movement plate, on which the components of a clockwork movement are intended to be arranged.
  • the first bridge 2 has a flat upper surface 8 for arranging therein components of a watch movement.
  • the device 1 comprises a second bridge 3 on which a component is intended to be fixed.
  • the second bridge 3 is intended to be placed on the first bridge 2 in order to be assembled there in a second plane, preferably parallel to the first.
  • the second bridge 3 has a lower surface 9 at least in part planar to rest on the upper surface 8 of the first bridge 2 after assembly.
  • the second deck 3 has the shape of a boat anchor provided with an axial portion 14 and two lateral arms 15, 16 slightly curved, which rise on either side of the axial portion 14 from the end of the portion.
  • axial 14 comprises fixing holes 17 for permanently fixing the second bridge 3 on the first 2, for example by means of usual screws passing through the holes 17 to reach the first bridge 2. The fixing is carried out after the alignment step.
  • the second bridge 3 also comprises at least one assembly hole 18 for fixing the component on the second bridge 3.
  • the device 1 further comprises means for aligning the second bridge 3 on the first 2.
  • the alignment means comprise at least three bearing faces 5, 6, 7 arranged on the second bridge 3.
  • the bearing faces 5, 6, 7 are advantageously part of the second bridge 3.
  • the second bridge 3 and the faces 5, 6, 7 are integral and preferably made of the same material.
  • the bearing faces 5, 6, 7 are advantageously flat and each oriented in a different direction.
  • the bearing faces 5, 6, 7 each border a separate passage 11, 12, 13 towards the first bridge.
  • the passages 11, 12, 13 are holes crossing the second bridge 3.
  • the passage 11, 12, 13 provides access to the upper face 8 of the first bridge 2.
  • the through holes have an oblong shape having two sides and two rounded ends connecting the two sides to each other. Both sides are preferably flat.
  • the bearing face 5, 6, 7 is defined by one of said sides of said oblong through-hole shape.
  • the bearing face 5, 6, 7 is formed on the side facing the axial portion 14.
  • Two passages 11, 12 are each arranged at a free end of one of the arms 15, 16 of the second bridge 3.
  • the third passage 13 is arranged at the junction of the two arms and the central portion of the second bridge 3.
  • the alignment means comprise at least three movable adjustment parts 21, 22, 23 each disposed in one of said passages 11, 12, 13.
  • the adjustment parts 21, 22, 23 are mechanically linked to the first bridge, while at the same time able to move.
  • the adjustment parts 21, 22, 23 are configured to come into contact with one of said bearing faces 5, 6, 7.
  • Each part 21, 22, 23 opposes the translational movement of the bearing face 5, 6, 7 in a determined direction.
  • the adjustment parts 21, 22, 23 make it possible to hold the second bridge 3 laterally on the first bridge 2 in a determined position in the second plane, in particular to align the component supported by the second bridge 2 with the component or components supported by the first bridge 3.
  • the passages 11, 12, 13 are dimensioned laterally to correspond to the diameter of the support part.
  • the parts 21, 22, 23 have a rounded shape to form a pivot against which the bearing face 5, 6, 7 can turn slightly when an adjustment part is actuated.
  • the first bridge 2 further comprises graduations to indicate the positions of the second bridge 3 relative to the first 2.
  • the graduations are arranged at the level of the passages 11, 12, 13, here around the through holes arranged on the free arms 15, 16
  • the graduations indicate in particular the position of each adjustment part 21, 22, 23 on the second bridge 3, which makes it possible to deduce the position of the second bridge 3 on the first 2.
  • bearing faces 5, 6 of the first two passages 11, 12 are substantially perpendicular.
  • the bearing face 7 of the third passage 13 is oriented to form an angle of 45 ° with each of the other two bearing faces 5, 6.
  • the bearing faces 5, 6, 7 and the adjustment parts 21, 22, 23 are arranged in three distinct positions of the second bridge 3, each movable part being able to exert a force on the corresponding bearing face 5, 6, 7 , when acting on one or the other mobile part 21, 22, 23.
  • the second bridge 3 can be moved on the first 2 by the mobility of each adjustment part 21, 22, 23.
  • the three passages 11, 12, 13 are arranged at the vertices of an isosceles triangle.
  • the passages 11, 12, 13 are arranged so as to have two passages 11, 12, on the same straight line.
  • the third passage 13 is arranged outside said straight line, so that its orthogonal projection on the straight line passes between the two other passages 11, 12.
  • the passages are advantageously arranged so that the orthogonal projection on said straight line is at an equal distance from the other two passages 11, 12.
  • the alignment means define three centers of rotation 24, 25, 26 around which the second bridge 3 can partially rotate.
  • the first bridge can be oriented with respect to the second. If we act on an adjustment part 21, 22, 23, the second bridge rotates around one of the corresponding centers of rotation, and further causes the movement of the other passages around the other adjustment means 21, 22, 23
  • the first adjustment means 21 one causes a rotation of the second bridge 3 around the first center of rotation 24.
  • the second adjustment means 22 one causes a rotation around the second center of rotation 25.
  • the third adjustment means 23 it causes a rotation around the third center of rotation 26.
  • the distances between the passages are chosen so that the distance between the third adjustment means 23 and the third center of rotation 26 is greater than the respective distances, the first adjustment means 21 and the first center of rotation 24 , and between the second adjustment means 22 and the second center of rotation 25.
  • the adjustment parts 21, 22, 23 are screws.
  • the screws are arranged in holes of the first bridge through the passages 11, 12, 13 of the second bridge 3, so that they can rotate in said holes while being mechanically linked to the second bridge 3.
  • the screws can rotate, but they remain in the openings of the first bridge 2.
  • a screw 27 is provided with a head 28 and a rod 29, the head 28 being in contact with the bearing face 5, 6, 7.
  • the screws are eccentric so that the head 28 can move the face of 'support 5, 6, 7 according to its angular position.
  • the rod 29 is not centered on the head 28, but is offset from the center of the head 28.
  • the screw 27 has no thread, but is fitted into the first bridge 2.
  • the passage 34 in the second bridge 33 has any shape, which is in particular wider than that of the eccentric screw 35.
  • the device comprises elastic means of prestress 37.
  • the prestressing means are a spring assembled to the first bridge 32 by one end 38 and to the second bridge 33 by a second end 39.
  • the spring 37 is preferably stretched in a direction substantially perpendicular to the bearing face 36 in order to maintain the bearing face 36 against the screw 35.
  • the spring 37 is arranged so that the screw 35 is disposed between the bearing face 36 and the spring 37.
  • the second variant of the device of the figure 6 shows a passage 44 of any shape, the passage 44 is provided with an elastic wall 47 passing through said passage.
  • the elastic wall 47 is configured to surround the eccentric screw 45 on the other side of the bearing face 46.
  • the elastic wall 47 applies pressure on the screw 45 to wedge it against the bearing face 46.
  • the elastic wall 47 applies pressure to the screw 45 to wedge it against the bearing face 46.
  • elastic wall 47 makes it possible to ensure that the screw is always in contact with the bearing face 46, whatever the angular position of the screw 45.
  • FIG. 7 there is shown a second embodiment of a device 10 for assembly and alignment on a first bridge 20, such as a watch movement plate.
  • the device 10 comprises a second T-shaped bridge 30, the upper branch of which is curved in a concave shape.
  • the bearing faces 48, 49, 50 of the device 10 are formed by the outer walls of the second bridge 30.
  • Two bearing faces 48, 50 are outer curved walls arranged at the ends of the curved branch, while the third face support 49 is on a side wall of the right branch tu T.
  • the adjustment means are screws 51, 52, 53 arranged in the second plane.
  • the screws 51, 52, 53 are not necessarily eccentric, their rod having the function of coming into contact with the bearing face 48, 49, 50 to modify the position of the second bridge 30, when the screw 51, 52, 53 is activated.
  • the adjustment means comprise pre-stressing means 54, 55, 56 arranged in opposition to each screw 51, 52, 53, of the other side of each branch of the second bridge 30.
  • the prestressing means 54, 55, 56 are springs formed by a curved leaf bearing against each branch.
  • the springs are fixed to the first bridge 20.
  • the springs are configured to exert pressure on each branch of the second bridge 30, so as to press each bearing face 48, 49, 50 against the screws 51, 52, 53.
  • Two screws 51, 53 are preferably oriented in perpendicular directions, while the third screw 52 is oriented in a direction making an angle of 45 ° with the directions of the other screws 51, 53. Thanks to these adjustment means, the same centers of rotation are obtained as for the first embodiment of the device.
  • the device 10 comprises means 57 for locking the second bridge 30 on the first.
  • the locking means 57 are for example standard screws arranged perpendicular to the planes of the two bridges 20, 30. The screws pass through the second bridge 30 and are fixed to the first bridge 20.
  • the invention also relates to a clockwork resonator mechanism 80 provided with a device 70 according to the invention.
  • the resonator mechanism 80 of the figure 8 comprises a plate as a first bridge 40, a second bridge 50, a flexible pivot 60, a balance 61, an anchor 62, and an escape wheel 63.
  • the second bridge 50 and the adjustment means are a third embodiment of the device according to the invention.
  • the second bridge 50 has a curved T shape like that of the second embodiment, but the adjustment means are those of the first embodiment.
  • the second bridge 50 has three oblong passages 64, 65, 66 in which eccentric screws 67, 68, 69 are arranged.
  • the passages 64, 65, 66 are arranged at the ends of each branch of the T, each along an axis of its branch. .
  • the flexible pivot 60 comprises two flexible blades connecting each curved end of the T to the middle 78 of the balance 61.
  • the flexible blades allow the balance 61 to perform an oscillating movement.
  • the balance 61 comprises an axial arm 71 provided with a counterweight 72 at each end.
  • the arm 72 further comprises a lug 73 extending from the middle 78 of the balance 61. When it oscillates, the lug 73 of the balance periodically moves the anchor 62 in one direction and then in the other.
  • the anchor 62 makes it possible to control the rotation of the escape wheel 63 by periodically inserting itself into the slots of the wheel 60 which is driven by a barrel spring.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Micromachines (AREA)
  • Particle Accelerators (AREA)
  • Details Of Measuring And Other Instruments (AREA)
EP19205005.2A 2019-10-24 2019-10-24 Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie Pending EP3812846A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19205005.2A EP3812846A1 (fr) 2019-10-24 2019-10-24 Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie
US17/027,775 US11899404B2 (en) 2019-10-24 2020-09-22 Assembly and alignment device, particularly for a timepiece resonator mechanism
JP2020160441A JP7116764B2 (ja) 2019-10-24 2020-09-25 特に計時器用共振機構のための組み付け及び整列デバイス
RU2020134765A RU2754522C1 (ru) 2019-10-24 2020-10-22 Устройство для выравнивания и установки, в частности для часового резонаторного механизма
CN202011145838.1A CN112711181B (zh) 2019-10-24 2020-10-23 特别是用于时计谐振器机构的组装和对准设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19205005.2A EP3812846A1 (fr) 2019-10-24 2019-10-24 Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie

Publications (1)

Publication Number Publication Date
EP3812846A1 true EP3812846A1 (fr) 2021-04-28

Family

ID=68342749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19205005.2A Pending EP3812846A1 (fr) 2019-10-24 2019-10-24 Dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie

Country Status (5)

Country Link
US (1) US11899404B2 (ja)
EP (1) EP3812846A1 (ja)
JP (1) JP7116764B2 (ja)
CN (1) CN112711181B (ja)
RU (1) RU2754522C1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR532255A (fr) * 1918-12-12 1922-01-31 Montres Zenith Fab Des Dispositif pour le réglage de la distance des centres de mobiles dans les mouvements d'horlogerie
CH709903A2 (fr) * 2014-07-21 2016-01-29 Montres Breguet Sa Ensemble démontable d'horlogerie.
EP3144741A1 (fr) * 2015-09-15 2017-03-22 Vaucher Manufacture Fleurier S.A. Pont réglable pour pièce d'horlogerie

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CH604240B5 (ja) * 1974-08-19 1978-08-31 Ebauchesfabrik Eta Ag
JPS5326978U (ja) * 1976-08-13 1978-03-07
JPS5326978A (en) 1976-08-25 1978-03-13 Hitachi Ltd Connector
JP4688627B2 (ja) 2005-10-24 2011-05-25 セイコーインスツル株式会社 ひげ棒構造体、並びにこれを備えた緩急針、てんぷ構造体及び機械式時計
JP5326978B2 (ja) 2009-10-02 2013-10-30 株式会社豊田中央研究所 正常空間構築支援装置、正常空間構築支援方法、プログラム、および異常監視システム
EP2437126B1 (fr) * 2010-10-04 2019-03-27 Rolex Sa Organe regulateur balancier-spiral
CH704129B1 (fr) 2010-11-25 2020-09-30 Eta Sa Mft Horlogere Suisse Dispositif de positionnement d'un pont sur une platine.
EP2458454B1 (fr) 2010-11-25 2018-05-02 ETA SA Manufacture Horlogère Suisse Dispositif de positionnement d'un pont sur une platine
CH704189B1 (fr) * 2010-12-08 2015-11-13 Elsbeth Roesner Ensemble régulateur pour pièce d'horlogerie comportant un dispositif de réglage de la marche diurne.
CH705087B1 (fr) 2011-06-06 2017-02-28 Hublot Sa Genève Pièce d'horlogerie.
EP2735921B1 (fr) 2011-08-29 2017-10-04 ETA SA Manufacture Horlogère Suisse Porte-échappement d'horlogerie
EP2813903B1 (fr) 2013-06-14 2017-11-29 ETA SA Manufacture Horlogère Suisse Réglage mécanique de l'ébat d'un mobile d'horlogerie
US20150093179A1 (en) * 2013-10-02 2015-04-02 GM Global Technology Operations LLC Elastic aperture alignment system for providing precise four-way alignment of components
EP2887154B1 (fr) 2013-12-20 2016-07-20 Blancpain SA. Mécanisme de fixation d'un piton à un pont de balancier et dispositif régulateur à balancier-spiral comprenant un tel mécanisme
EP2977833B1 (fr) 2014-07-21 2018-01-03 Montres Breguet SA Positionnement précis de pont d'horlogerie
EP3179315B1 (fr) 2015-12-11 2019-03-27 ETA SA Manufacture Horlogère Suisse Porte-piton a montage securise
CH712225B1 (fr) * 2016-03-04 2020-07-31 Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A Dispositif régulateur comportant un organe de correction d'anisochronisme.
EP3502803B1 (fr) 2017-12-19 2020-08-05 Omega SA Ensemble réglable d'horlogerie
CH716400B1 (fr) * 2019-07-11 2022-09-15 Blancpain Sa Mouvement d'horlogerie avec un piton mobile en rotation pour une mise au repère du balancier-spiral.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR532255A (fr) * 1918-12-12 1922-01-31 Montres Zenith Fab Des Dispositif pour le réglage de la distance des centres de mobiles dans les mouvements d'horlogerie
CH709903A2 (fr) * 2014-07-21 2016-01-29 Montres Breguet Sa Ensemble démontable d'horlogerie.
EP3144741A1 (fr) * 2015-09-15 2017-03-22 Vaucher Manufacture Fleurier S.A. Pont réglable pour pièce d'horlogerie

Also Published As

Publication number Publication date
CN112711181B (zh) 2023-04-25
US20210124309A1 (en) 2021-04-29
RU2754522C1 (ru) 2021-09-02
JP2021067677A (ja) 2021-04-30
US11899404B2 (en) 2024-02-13
JP7116764B2 (ja) 2022-08-10
CN112711181A (zh) 2021-04-27

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