EP3812846A1 - Device for assembly and alignment, in particular for a timepiece resonator mechanism - Google Patents

Device for assembly and alignment, in particular for a timepiece resonator mechanism 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)
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/en
Priority to US17/027,775 priority patent/US11899404B2/en
Priority to JP2020160441A priority patent/JP7116764B2/en
Priority to RU2020134765A priority patent/RU2754522C1/en
Priority to CN202011145838.1A priority patent/CN112711181B/en
Publication of EP3812846A1 publication Critical patent/EP3812846A1/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00Driving mechanisms
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00Frameworks
    • G04B29/02Plates; Bridges; Cocks
    • G04B29/022Bridges
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00Mechanisms for stabilising frequency
    • G04B17/04Oscillators acting by spring tension
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00Escapements
    • G04B15/12Adjusting; Restricting the amplitude of the lever or the like
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00Mechanisms for stabilising frequency
    • G04B17/04Oscillators acting by spring tension
    • G04B17/045Oscillators acting by spring tension with oscillating blade springs
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00Mechanisms for stabilising frequency
    • G04B17/04Oscillators acting by spring tension
    • G04B17/06Oscillators with hairsprings, e.g. balance
    • G04B17/063Balance construction
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00Frameworks
    • G04B29/02Plates; Bridges; Cocks
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B35/00Adjusting 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.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Particle Accelerators (AREA)
  • Micromachines (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Electromechanical Clocks (AREA)

Abstract

L'invention concerne un dispositif d'assemblage et d'alignement (1) sur un premier pont (2), notamment une platine de mouvement d'horlogerie, agencé dans un premier plan, le dispositif (1) comprenant un deuxième pont (3) agencé dans un deuxième plan, le deuxième pont (3) étant destiné à supporter un composant, notamment un composant mobile d'un mécanisme résonateur d'horlogerie, le dispositif comprenant des moyens d'alignement du deuxième pont (3) sur le premier pont (2), les moyens d'alignement comportant au moins deux faces d'appui (5, 6, 7) du deuxième pont (3) agencées orthogonalement au deuxième plan selon deux directions différentes, les moyens d'alignement comportant en outre au moins deux pièces de réglage mobiles (21, 22, 23) liées mécaniquement au premier pont (2), les pièces mobiles (21, 22, 23) étant configurées chacune pour venir en contact avec l'une desdites faces d'appui (5, 6, 7) pour positionner le deuxième pont (3) dans une position déterminée sur le premier pont, les pièces mobiles (21, 22, 23) permettant de définir une pluralité de positions du deuxième pont (3) sur le premier (2).The invention relates to an assembly and alignment device (1) on a first bridge (2), in particular a clockwork plate, arranged in a first plane, the device (1) comprising a second bridge (3). ) arranged in a second plane, the second bridge (3) being intended to support a component, in particular a movable component of a clockwork resonator mechanism, the device comprising means for aligning the second bridge (3) on the first bridge (2), the alignment means comprising at least two bearing faces (5, 6, 7) of the second bridge (3) arranged orthogonally to the second plane in two different directions, the alignment means further comprising at at least two movable adjustment parts (21, 22, 23) mechanically linked to the first bridge (2), the movable parts (21, 22, 23) each being configured to come into contact with one of said bearing faces (5) , 6, 7) to position the second bridge (3) in a determined position on the first bridge, the s moving parts (21, 22, 23) making it possible to define a plurality of positions of the second bridge (3) on the first (2).

Description

Domaine de l'inventionField of the invention

La présente invention concerne un dispositif d'assemblage et d'alignement, notamment pour un mécanisme résonateur d'horlogerie. L'invention se rapporte également à un mécanisme résonateur de mouvement horloger muni d'un tel dispositif.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.

Arrière-plan de l'inventionBackground of the invention

Les mouvements horlogers comprennent généralement un barillet, un mécanisme d'échappement et un mécanisme résonateur mécanique. Le mécanisme résonateur comprend un ressort associé à une masselotte oscillante appelée balancier. On utilise aujourd'hui des guidages flexibles comme ressort.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.

Les guidages flexibles à pivot virtuel permettent d'améliorer sensiblement les résonateurs horlogers. Les plus simples sont des pivots à lames croisées, composés de deux dispositifs de guidage à lames droites qui se croisent, en général perpendiculairement. Ces deux lames peuvent être, soit tridimensionnelles dans deux plans différents, soit bidimensionnelles dans un même plan et sont alors comme soudées à leur point de croisement.Flexible virtual pivot guides significantly improve watchmaking resonators. The simplest are cross-leaf pivots, made up of two guide devices with straight leaves which cross each other, generally 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 point of intersection.

Il est possible d'optimiser un pivot à lames croisées tridimensionnel pour un résonateur, pour essayer de le rendre isochrone avec une marche indépendante de son orientation dans le champ de gravité, en particulier de deux manières (indépendamment, ou les deux ensemble):

  • choisir la position du croisement des lames par rapport à leur encastrement pour avoir une marche indépendante des positions ;
  • choisir l'angle entre les lames pour être isochrone, et avoir une marche indépendante de l'amplitude.
It is possible to optimize a three-dimensional cross-leaf pivot for a resonator, to try to make it isochronous with a step independent of its orientation in the gravity field, in particular in two ways (independently, or both together):
  • choose the position of the crossing of the slats with respect to their embedding in order to have a step independent of the positions;
  • choose the angle between the plates to be isochronous, and to have a rate independent of the amplitude.

Toutefois, les guidages flexibles nécessitent des configurations particulières des autres éléments du mécanisme résonateur. Par exemple, les ancres usuellement utilisées ne conviennent pas, car elles ont une course angulaire trop importante pour les guidages flexibles. Ainsi, pour adapter l'ancre, on utilise par exemple des matériaux et des formes compatibles avec un tel guidage flexible. Mais ces configurations requièrent que la position du guidage flexible soit exacte et qu'elle puisse être contrôlée avec une grande précision pour que le mécanisme fonctionne.However, flexible guides require particular configurations of the other elements of the resonator mechanism. For example, the anchors usually used are not suitable, because they have too great an angular travel for flexible guides. Thus, to adapt the anchor, for example, 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.

Résumé de l'inventionSummary of the invention

Un but de l'invention est, par conséquent, de proposer un dispositif de fixation et d'alignement, notamment pour mécanisme résonateur d'horlogerie qui évite les problèmes précités.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.

A cet effet, l'invention concerne un dispositif d'assemblage et d'alignement sur un premier pont, notamment une platine de mouvement d'horlogerie, agencé dans un premier plan, le dispositif comprenant un deuxième pont agencé dans un deuxième plan, le deuxième pont étant destiné à supporter un composant, notamment un composant mobile d'un mécanisme résonateur d'horlogerie.To this end, 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.

Le dispositif est remarquable en ce qu'il comprend des moyens d'alignement comportant au moins deux faces d'appui du deuxième pont agencées orthogonalement au deuxième plan selon deux directions différentes, les moyens d'alignement comportant en outre au moins deux pièces de réglage mobiles liées mécaniquement au premier pont, les pièces de réglage étant configurées chacune pour venir en contact avec l'une desdites faces d'appui pour positionner le deuxième pont dans une position déterminée sur le premier pont, les pièces mobiles permettant de définir une pluralité de positions du deuxième pont sur le premierThe 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

Grâce à ce dispositif, on peut assembler deux ponts avec une grande précision, afin de pour pouvoir aligner exactement des composant horlogers, en particulier pour des mécanisme résonateur d'horlogerie à lames flexibles. En effet, les faces d'appui et les pièces de réglage permettent de former des centres de rotation autour desquels le deuxième pont peut en partie tourner. Ainsi, ces centres de rotation offrent des degrés de libertés au deuxième pont pour être placé dans la meilleur configuration, en particulier pour que des composants agencés sur le premier et le deuxième pont soient bien alignés, par exemple entre une ancre et un balancier d'un résonateur à lames flexibles. Le dispositif permet notamment de positionner le deuxième pont par rapport au premier pont, le deuxième pont étant en contact avec le premier.Thanks to 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. Indeed, the bearing faces and the adjustment parts make it possible to form centers of rotation around which the second bridge can partly rotate. Thus, 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.

Selon une forme de réalisation avantageuse, le dispositif comprend trois faces d'appui et trois pièces de réglage, les trois faces d'appui étant orthogonales au deuxième plan selon trois directions différentes.According to an advantageous embodiment, the device comprises three bearing faces and three adjustment parts, the three bearing faces being orthogonal to the second plane in three different directions.

Selon une forme de réalisation avantageuse, les deux faces d'appui sont sensiblement perpendiculaires.According to an advantageous embodiment, the two bearing faces are substantially perpendicular.

Selon une forme de réalisation avantageuse, la troisième face d'appui forme un angle de 45° avec chacune des deux autres faces d'appui.According to an advantageous embodiment, the third bearing face forms an angle of 45 ° with each of the other two bearing faces.

Selon une forme de réalisation avantageuse, chaque pièce de réglage est arrondie pour former un pivot autour duquel l'une des faces d'appui peut tourner lorsqu'une pièce de réglage est actionnée.According to an advantageous embodiment, each adjustment part is rounded to form a pivot around which one of the bearing faces can rotate when an adjustment part is actuated.

Selon une forme de réalisation avantageuse, chaque face d'appui borde un passage vers le premier pont, les trois pièces de réglage mobiles étant disposées chacune dans l'un desdits passages.According to an advantageous embodiment, each bearing face borders a passage towards the first bridge, the three movable adjustment parts being each disposed in one of said passages.

Selon une forme de réalisation avantageuse, les pièces de réglage sont mobiles en rotation.According to an advantageous embodiment, the adjustment parts are movable in rotation.

Selon une forme de réalisation avantageuse, les pièces de réglage sont des plots ou des vis agencées chacune dans un passage orthogonalement au deuxième plan, chaque vis étant munie d'une tête et d'une tige, l'une au moins desdites vis étant excentrique, de préférence les trois, la tête étant destinée à être en contact avec la face d'appui.According to an advantageous embodiment, 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.

Selon une forme de réalisation avantageuse, les pièces de réglage sont des vis agencées dans le deuxième plan, chaque vis étant munie d'une tête et d'une tige, la tige étant destinée à être en contact avec la face d'appui. Selon une forme de réalisation avantageuse, les pièces de réglage sont mobiles en translation.According to an advantageous embodiment, 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.

Selon une forme de réalisation avantageuse, au moins l'un des passages, de préférence les trois passages, a une forme oblongue, la face d'appui étant définie par un côté de ladite forme.According to an advantageous embodiment, 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.

Selon une forme de réalisation avantageuse, chaque passage a une largeur sensiblement égale à la largeur de la tête des vis.According to an advantageous embodiment, each passage has a width substantially equal to the width of the head of the screws.

Selon une forme de réalisation avantageuse, le dispositif comprend des moyens élastiques de précontrainte pour maintenir les faces d'appui contre les moyens de réglage.According to an advantageous embodiment, the device comprises elastic prestressing means for maintaining the bearing faces against the adjustment means.

Selon une forme de réalisation avantageuse, le premier pont comporte des graduations pour indiquer la position du deuxième pont.According to an advantageous embodiment, the first bridge has graduations to indicate the position of the second bridge.

Selon une forme de réalisation avantageuse, le dispositif comprend des moyens de verrouillage du deuxième pont sur le premier.According to an advantageous embodiment, the device comprises means for locking the second bridge on the first.

L'invention se rapporte également à un mécanisme résonateur, notamment pour mouvement horloger, comprenant un premier pont, notamment une platine de mouvement horloger. Le mouvement est remarquable en ce qu'il comporte un dispositif d'assemblage et d'alignement selon l'invention.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.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de plusieurs formes de réalisation données uniquement à titre d'exemples non limitatifs, en référence aux dessins annexés dans lesquels :

  • la figure 1 représente schématiquement une vue en perspective d'un dispositif d'assemblage et d'alignement selon un premier mode de réalisation de l'invention,
  • la figure 2 représente schématiquement une vue de dessus du dispositif de la figure 1,
  • la figure 3 représente schématiquement l'agencement du dispositif et des centres de rotation autour desquels le deuxième pont peut tourner,
  • la figure 4 représente schématiquement une vue en coupe du dispositif au niveau d'un passage et d'une vis excentrique,
  • la figure 5 représente schématiquement une vue de dessus d'un dispositif selon une première variante du premier mode de réalisation au niveau d'un passage et d'une vis excentrique,
  • la figure 6 représente schématiquement une vue de dessus d'un dispositif selon une deuxième variante du premier mode de réalisation au niveau d'un passage et d'une vis excentrique,
  • la figure 7 représente schématiquement une vue de dessus d'un dispositif selon un deuxième mode de réalisation, et
  • la figure 8 représente schématiquement une vue de dessus d'un mécanisme résonateur comprenant un dispositif de fixation et d'alignement selon l'invention.
Other characteristics and advantages of the present invention will become apparent on reading several embodiments given solely by way of nonlimiting examples, with reference to the appended drawings in which:
  • the figure 1 schematically shows a perspective view of an assembly and alignment device according to a first embodiment of the invention,
  • the figure 2 schematically shows a top view of the device of the figure 1 ,
  • the figure 3 schematically represents the arrangement of the device and the centers of rotation around which the second bridge can rotate,
  • the figure 4 schematically shows a sectional view of the device at the level of a passage and an eccentric screw,
  • the figure 5 schematically shows a top view of a device according to a first variant of the first embodiment at the level of a passage and an eccentric screw,
  • the figure 6 schematically shows a top view of a device according to a second variant of the first embodiment at the level of a passage and an eccentric screw,
  • the figure 7 schematically shows a top view of a device according to a second embodiment, and
  • the figure 8 schematically shows a top view of a resonator mechanism comprising a fixing and alignment device according to the invention.

Description détaillée de modes de réalisation préférésDetailed description of preferred embodiments

Dans un mouvement horloger, notamment dans un mécanisme résonateur à lames flexibles, les composants doivent être fixés et alignés avec précision. Les composants comprennent par exemple un pivot à lames flexibles, un balancier assemblé au pivot à lames flexibles, une ancre dont le mouvement de va-et-vient est provoqué par le balancier et une roue d'échappement dont la cadence de rotation est contrôlée par le mouvement de l'ancre.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.

La figure 1 montre un premier mode de réalisation d'un dispositif d'assemblage et d'alignement 1 d'un composant sur un premier pont 2 agencé dans un premier plan. Le premier pont 2 est par exemple une platine de mouvement horloger, sur laquelle les composants d'un mouvement horloger sont destinés à être agencés. Le premier pont 2 présente une surface supérieure 8 plane pour y agencer des composants d'un mouvement horloger.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.

Le dispositif 1 comporte un deuxième pont 3 sur lequel un composant est destiné à être fixé. Le deuxième pont 3 est destiné à être disposé sur le premier pont 2 pour y être assemblé dans un deuxième plan, de préférence parallèle au premier. Le deuxième pont 3 présente une surface inférieure 9 au moins en partie plane pour reposer sur la surface supérieure 8 du premier pont 2 après assemblage. Le deuxième pont 3 a une forme d'ancre de bateau munie d'une portion axiale 14 et de deux bras latéraux 15, 16 légèrement courbés, qui remontent de part et d'autre de la portion axiale 14 depuis l'extrémité de la portion axiale 14. La portion axiale 14 comprend des orifices de fixation 17 pour fixer durablement le deuxième pont 3 sur le premier 2, par exemple au moyens de vis usuelles passant dans les orifices 17 pour atteindre le premier pont 2. La fixation est opérée après l'étape d'alignement. Le deuxième pont 3 comporte encore au moins un orifice 18 d'assemblage pour fixer le composant sur le deuxième pont 3.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. The axial portion 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.

Le dispositif 1 comprend en outre des moyens d'alignement du deuxième pont 3 sur le premier 2. Les moyens d'alignement comportent au moins trois faces d'appui 5, 6 ,7 agencées sur le deuxième pont 3. Les faces d'appui 5, 6 ,7 font avantageusement partie du deuxième pont 3. Le deuxième pont 3 et les faces 5, 6 ,7 sont monoblocs et faits de préférence d'une même matière. Les faces d'appui 5, 6 ,7 sont avantageusement planes et orientées chacune selon une direction différente.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.

Les faces d'appui 5, 6 ,7 bordent chacune un passage 11, 12, 13 distinct vers le premier pont. Sur la figure 1, les passages 11, 12, 13 sont des trous traversant le deuxième pont 3. Ainsi, le passage 11, 12, 13 permet d'accéder à la face supérieure 8 du premier pont 2. Les trous traversant ont une forme oblongue comportant deux côtés et deux extrémités arrondies reliant les deux côtés l'un à l'autre. Les deux côtés sont de préférence plats. La face d'appui 5, 6 ,7 est définie par l'un desdits côtés de ladite forme oblongue trou traversant. De préférence, la face d'appui 5, 6 ,7 est formé du côté orienté vers la portion axiale 14.The bearing faces 5, 6, 7 each border a separate passage 11, 12, 13 towards the first bridge. On the figure 1 , the passages 11, 12, 13 are holes crossing the second bridge 3. Thus, 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. Preferably, the bearing face 5, 6, 7 is formed on the side facing the axial portion 14.

Deux passages 11, 12 sont disposées chacun à une extrémité libre d'un des bras 15, 16 du deuxième pont 3. Le troisième passage 13 est agencé à la jonction des deux bras et de la portion centrale du deuxième pont 3.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.

Les moyens d'alignement comportent au moins trois pièces de réglage 21, 22, 23 mobiles disposées chacune dans l'un desdits passages 11, 12, 13. Les pièces de réglage 21, 22, 23 sont liées mécaniquement au premier pont, tout en pouvant se mouvoir. Les pièces de réglage 21, 22, 23 sont configurées pour venir en contact de l'une desdites faces d'appui 5, 6 ,7. Chaque pièce 21, 22, 23 s'oppose au déplacement en translation de la face d'appui 5, 6 ,7 dans une direction déterminée. Ainsi, on peut régler la position du deuxième pont 3 sur le premier pont 2 avec précision. Les pièces de réglage 21, 22, 23 permettent de maintenir latéralement le deuxième pont 3 sur le premier pont 2 dans une position déterminée dans le deuxième plan, notamment pour aligner le composant supporté par le deuxième pont 2 avec le ou les composants supportés par le premier pont 3. Les passages 11, 12, 13 sont dimensionnés latéralement pour correspondre au diamètre de la pièce d'appui.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. Thus, it is possible to adjust the position of the second bridge 3 on the first bridge 2 with precision. 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.

De préférence, les pièces 21, 22, 23 ont une forme arrondie pour former un pivot contre lequel la face d'appui 5, 6 ,7 peut légèrement tourner lorsqu'une pièce de réglage est actionnée.Preferably, 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.

Le premier pont 2 comporte en outre des graduations pour indiquer des positions du deuxième pont 3 par rapport au premier 2. Les graduations sont agencées au niveau des passages 11, 12, 13, ici autour des trous traversant agencés sur les bras libres 15, 16. Les graduations indiquent notamment la position de chaque pièce de réglage 21, 22, 23 sur le deuxième pont 3, qui permettent de déduire la position du deuxième pont 3 sur le premier 2.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.

Sur la figure 3, on remarque que les faces d'appui 5, 6 des deux premiers passages 11, 12 sont sensiblement perpendiculaires. La face d'appui 7 du troisième passage 13 est orientée pour former un angle de 45° avec chacune des deux autres faces d'appui 5, 6.On the figure 3 , it is noted that the 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.

Les faces d'appui 5, 6 ,7 et les pièces de réglage 21, 22, 23 sont agencées en trois positions distinctes du deuxième pont 3, chaque pièce mobile pouvant exercer une force sur la face d'appui 5, 6 ,7 correspondante, lorsqu'on agit sur l'une ou l'autre pièce 21, 22, 23 mobile. Ainsi, on peut déplacer le deuxième pont 3 sur le premier 2 par la mobilité de chaque pièce de réglage 21, 22, 23.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. Thus, the second bridge 3 can be moved on the first 2 by the mobility of each adjustment part 21, 22, 23.

Comme le montre le schéma de la figure 3, les trois passages 11, 12, 13 sont agencés aux sommets d'un triangle isocèle. Les passages 11, 12, 13 sont disposés de manière à avoir deux passages 11, 12, sur une même droite. Le troisième passage 13 est agencé en dehors de ladite droite, de sorte que sa projection orthogonale sur la droite passe entre les deux autres passages 11, 12. Les passages sont avantageusement disposés de sorte que la projection orthogonale sur ladite droite soit à distance égale des deux autres passages 11, 12.As shown in the diagram of the figure 3 , 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.

Les moyens d'alignement définissent trois centres de rotation 24, 25, 26 autour desquels le deuxième pont 3 peut tourner en partie. En actionnant les pièces de réglage 21, 22, 23, on peut orienter le premier pont par rapport au deuxième. Si on agit sur une pièce de réglage 21, 22, 23, le deuxième pont tourne autour de l'un des centres de rotation, correspondant, et provoque de plus le déplacement des autres passages autour des autres moyens de réglage 21, 22, 23. En actionnant le premier moyen de réglage 21, on provoque une rotation du deuxième pont 3 autour du premier centre de rotation 24. En actionnant le deuxième moyen de réglage 22, on provoque une rotation autour du deuxième centre de rotation 25. En actionnant le troisième moyen de réglage 23, on provoque une rotation autour du troisième centre de rotation 26.The alignment means define three centers of rotation 24, 25, 26 around which the second bridge 3 can partially rotate. By actuating the adjustment parts 21, 22, 23, 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 By actuating the first adjustment means 21, one causes a rotation of the second bridge 3 around the first center of rotation 24. By actuating the second adjustment means 22, one causes a rotation around the second center of rotation 25. By actuating the third adjustment means 23, it causes a rotation around the third center of rotation 26.

En outre, les distances entre les passages sont choisies de sorte que la distance entre le troisième moyen de réglage 23 et le troisième centre de rotation 26 soit plus grand que les distances respectives, le premier moyen de réglage 21 et le premier centre de rotation 24, et entre le deuxième moyen de réglage 22 et le deuxième centre de rotation 25.Further, 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.

Dans les modes de réalisation représentés sur les figures, les pièces de réglage 21, 22, 23 sont des vis. Les vis sont agencées dans des orifices du premier pont à travers les passages 11, 12, 13 du deuxième pont 3, de sorte qu'elles puissent tourner dans lesdits orifices tout en étant liées mécaniquement au deuxième pont 3. Les vis peuvent tourner, mais elles restent dans les orifices du premier pont 2.In the embodiments shown in the figures, 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.

Telle que représentée sur la figure 4, une vis 27 est munie d'une tête 28 et d'une tige 29, la tête 28 étant en contact avec la face d'appui 5, 6, 7. Les vis sont excentriques pour que la tête 28 puisse déplacer la face d'appui 5, 6, 7 selon sa position angulaire. La tige 29 n'est pas centrée sur la tête 28, mais est décalée par rapport au centre de la tête 28. Ainsi, lorsque la vis 27 est agencée dans l'orifice 31, on peut déplacer la face d'appui en tournant la vis 27. De préférence, la vis 27 n'a pas de filetage, mais est emmanchée dans le premier pont 2.As depicted on the figure 4 , 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. Thus, when the screw 27 is arranged in the orifice 31, the bearing face can be moved by turning the screw 27. Preferably, the screw 27 has no thread, but is fitted into the first bridge 2.

Dans une première variante de réalisation de la figure 5, le passage 34 dans le deuxième pont 33 a une forme quelconque, qui est notamment plus large que celui de la vis excentrique 35. Pour maintenir le contact entre la vis 35 et la face d'appui 36, le dispositif comporte des moyens élastiques de précontrainte 37. Les moyens de précontrainte sont un ressort assemblé au premier pont 32 par une extrémité 38 et au deuxième pont 33 par une deuxième extrémité 39. Le ressort 37 est de préférence étiré dans une direction sensiblement perpendiculaire à la face d'appui 36 pour maintenir la face d'appui 36 contre la vis 35. De plus, le ressort 37 est agencé de sorte que la vis 35 est disposé entre le face d'appui 36 et le ressort 37.In a first variant embodiment of the figure 5 , the passage 34 in the second bridge 33 has any shape, which is in particular wider than that of the eccentric screw 35. To maintain contact between the screw 35 and the bearing face 36, 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. In addition, the spring 37 is arranged so that the screw 35 is disposed between the bearing face 36 and the spring 37.

La deuxième variante de réalisation du dispositif de la figure 6 montre un passage 44 d'une forme quelconque, le passage 44 est muni d'une paroi élastique 47 traversant ledit passage. La paroi élastique 47 est configurée pour entourer la vis excentrique 45 de l'autre côté de la face d'appui 46. Ainsi, la paroi élastique 47 applique une pression sur la vis 45 pour la caler contre la face d'appui 46. La paroi élastique 47 permet de faire en sorte que la vis soit toujours en contact avec la face d'appui 46, quelle que soit la position angulaire de la vis 45.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. Thus, 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.

Sur la figure 7, on représente un deuxième mode de réalisation d'un dispositif 10 d'assemblage et d'alignement sur un premier pont 20, telle une platine de mouvement horloger. Le dispositif 10 comprend un deuxième pont 30 en forme de T dont la branche supérieure est courbée de forme concave. Les faces d'appui 48, 49, 50 du dispositif 10 sont formées par des parois externes du deuxième pont 30. Deux face d'appui 48, 50 sont des parois courbes externes agencées aux extrémités de la branche courbe, tandis que la troisième face d'appui 49 est sur une paroi latérale de la branche droite tu T.On the figure 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.

Les moyens de réglages sont des vis 51, 52, 53 agencées dans le deuxième plan. Les vis 51, 52, 53 ne sont pas nécessairement excentriques, leur tige ayant pour fonction de venir en contact de la face d'appui 48, 49, 50 pour modifier la position du deuxième pont 30, lorsque la vis 51, 52, 53 est actionnée.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.

Pour maintenir les faces d'appui 48, 49, 50 contre les vis 51, 52, 53, les moyens de réglage comportent des moyens de précontraintes 54, 55, 56 agencés en opposition de chaque vis 51, 52, 53, de l'autre côté de chaque branche du deuxième pont 30. Les moyens de précontrainte 54, 55, 56 sont des ressorts formés d'une lame courbe prenant appui contre chaque branche. Les ressorts sont fixés au premier pont 20. Les ressorts sont configurés pour exercer une pression sur chaque branche du deuxième pont 30, de manière à plaquer chaque face d'appui 48, 49, 50 contre les vis 51, 52, 53. En actionnant une vis dans un sens, on pousse la face d'appui 48, 49, 50 en comprimant le ressort. Dans le sens inverse, la face d'appui 48, 49, 50 est repoussée contre la vis par les ressorts.To maintain the bearing faces 48, 49, 50 against the screws 51, 52, 53, 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. By actuating one screw in one direction, the bearing face 48, 49, 50 is pushed by compressing the spring. In the opposite direction, the bearing face 48, 49, 50 is pushed against the screw by the springs.

Deux vis 51, 53 sont, de préférence, orientées dans des directions perpendiculaires, tandis que la troisième vis 52 est orientée dans une direction faisant un angle de 45° avec les directions des autres vis 51, 53. Grâce à ces moyens de réglage, on obtient les mêmes centres de rotation que pour le premier mode de réalisation du dispositif.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.

Le dispositif 10 comprend des moyens de verrouillage 57 du deuxième pont 30 sur le premier. Les moyens de verrouillage 57 sont par exemple des vis standards agencées perpendiculairement aux plans des deux ponts 20, 30. Les vis passent à travers le deuxième pont 30 et sont fixées aux premier pont 20.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.

L'invention se rapporte également à un mécanisme résonateur d'horlogerie 80 muni d'un dispositif 70 selon l'invention. Le mécanisme résonateur 80 de la figure 8 comprend une platine comme premier pont 40, un deuxième pont 50, un pivot flexible 60, un balancier 61, une ancre 62, et une roue d'échappement 63. Le deuxième pont 50 et les moyens de réglages sont un troisième mode de réalisation du dispositif selon l'invention. Le deuxième pont 50 a une forme de T courbé comme celui du deuxième mode de réalisation, mais les moyens de réglage sont ceux du premier mode de réalisation. Le deuxième pont 50 comporte trois passages oblongs 64, 65, 66 dans lesquels sont agencés des vis excentriques 67, 68, 69. Les passages 64, 65, 66 sont agencés aux extrémités de chaque branche du T, chacun selon un axe de sa branche. Le pivot flexible 60 comprend deux lames flexibles reliant chaque extrémité courbe du T au milieu 78 du balancier 61. Les lames flexibles permettent au balancier 61 d'effectuer un mouvement d'oscillation. Le balancier 61 comporte une bras axial 71 muni d'un contrepoids 72 à chaque extrémité. Le bras 72 comprend en plus un ergot 73 s'étendant depuis le milieu 78 du balancier 61. Lorsqu'il oscille, l'ergot 73 du balancier vient périodiquement déplacer l'ancre 62 dans un sens puis dans l'autre. L'ancre 62 permet de contrôler la rotation de la roue d'échappement 63 en venant s'insérer périodiquement dans les créneaux de la roue 60 qui est entrainée par un ressort de barillet.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.

Naturellement, l'invention n'est pas limitée aux modes de réalisation décrits en référence aux figures et des variantes pourraient être envisagées sans sortir du cadre de l'invention.Naturally, the invention is not limited to the embodiments described with reference to the figures and variants could be envisaged without departing from the scope of the invention.

Claims (16)

Dispositif d'assemblage et d'alignement (1, 10, 70) sur un premier pont (2, 20, 32, 40, 42), notamment une platine de mouvement d'horlogerie, agencé dans un premier plan, le dispositif (1, 10, 70) comprenant un deuxième pont (3, 30, 33, 43, 50) agencé dans un deuxième plan, le deuxième pont (3, 30, 33, 43, 50) étant destiné à supporter un composant (61), notamment un composant mobile d'un mécanisme résonateur d'horlogerie, caractérisé en ce qu'il comprend des moyens d'alignement du deuxième pont (3, 30, 33, 43, 50) sur le premier pont (2, 20, 32, 40, 42), les moyens d'alignement comportant au moins deux faces d'appui (5, 6, 7, 36, 46, 48, 49, 50) du deuxième pont (3, 30, 33, 43, 50) agencées orthogonalement au deuxième plan selon deux directions différentes, les moyens d'alignement comportant en outre au moins deux pièces de réglage mobiles (21, 22, 23, 51, 52, 53, 67, 68, 69) liées mécaniquement au premier pont (2, 20, 32, 40, 42), les pièces mobiles (21, 22, 23, 51, 52, 53, 67, 68, 69) étant configurées chacune pour venir en contact avec l'une desdites faces d'appui (5, 6, 7, 36, 46, 48, 49, 50) pour positionner le deuxième pont (3, 30, 33, 43, 50) dans une position déterminée sur le premier pont, les pièces mobiles (21, 22, 23, 51, 52, 53, 67, 68, 69) permettant de définir une pluralité de positions du deuxième pont (3, 30, 33, 43, 50) sur le premier (2, 20, 32, 40, 42).Assembly and alignment device (1, 10, 70) on a first bridge (2, 20, 32, 40, 42), in particular a clockwork movement plate, arranged in a first plane, the device (1 , 10, 70) comprising a second bridge (3, 30, 33, 43, 50) arranged in a second plane, the second bridge (3, 30, 33, 43, 50) being intended to support a component (61), in particular a movable component of a clockwork resonator mechanism, characterized in that it comprises means for aligning the second bridge (3, 30, 33, 43, 50) on the first bridge (2, 20, 32, 40, 42), the alignment means comprising at least two bearing faces (5, 6, 7, 36, 46, 48, 49, 50) of the second bridge (3, 30, 33, 43, 50) arranged orthogonally to the second plane in two different directions, the alignment means further comprising at least two movable adjustment parts (21, 22, 23, 51, 52, 53, 67, 68, 69) mechanically linked to the first bridge (2 , 20, 32, 40, 42), the moving parts (21, 22, 23, 51, 52, 53, 67, 68, 69) each being configured to come into contact with one of said bearing faces (5, 6, 7, 36, 46, 48, 49, 50) to position the second bridge (3, 30, 33, 43, 50 ) in a determined position on the first bridge, the moving parts (21, 22, 23, 51, 52, 53, 67, 68, 69) making it possible to define a plurality of positions of the second bridge (3, 30, 33, 43 , 50) on the first (2, 20, 32, 40, 42). Dispositif selon la revendication précédente, caractérisé en ce qu'il comprend trois faces d'appui (5, 6, 7, 36, 46, 48, 49, 50) et trois pièces de réglage (21, 22, 23, 51, 52, 53, 67, 68, 69), les trois faces d'appui étant orthogonales au deuxième plan selon trois directions différentes.Device according to the preceding claim, characterized in that it comprises three bearing faces (5, 6, 7, 36, 46, 48, 49, 50) and three adjustment parts (21, 22, 23, 51, 52 , 53, 67, 68, 69), the three bearing faces being orthogonal to the second plane in three different directions. Dispositif selon la revendication précédente, caractérisé en ce que deux faces d'appui (5, 6, 48, 50) sont sensiblement perpendiculaires.Device according to the preceding claim, characterized in that two bearing faces (5, 6, 48, 50) are substantially perpendicular. Dispositif selon la revendication précédente, caractérisé en ce que la troisième face d'appui (7, 49) forme un angle de 45° avec chacune des deux autres faces d'appui (5, 6, 48, 50).Device according to the preceding claim, characterized in that the third bearing face (7, 49) forms an angle of 45 ° with each of the other two bearing faces (5, 6, 48, 50). Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que chaque pièce de réglage (21, 22, 23, 51, 52, 53, 67, 68, 69) est arrondie pour former un pivot autour duquel l'une des faces d'appui (5, 6, 7, 36, 46, 48, 49, 50) peut tourner lorsqu'une pièce de réglage est actionnée.Device according to any one of the preceding claims, characterized in that each adjustment part (21, 22, 23, 51, 52, 53, 67, 68, 69) is rounded to form a pivot around which one of the bearing faces (5, 6, 7, 36, 46, 48, 49, 50) can rotate when an adjustment part is actuated. Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que chaque face d'appui (5, 6, 7, 36, 46) borde un passage (11, 12, 13, 34, 44) vers le premier pont (2, 32, 40, 42), les trois pièces de réglage mobiles (21, 22, 23, 67, 68, 69) étant disposées chacune dans l'un desdits passages (11, 12, 13, 34, 44).Device according to any one of the preceding claims, characterized in that each bearing face (5, 6, 7, 36, 46) borders a passage (11, 12, 13, 34, 44) towards the first bridge (2, 32, 40, 42), the three movable adjustment parts (21, 22, 23, 67, 68, 69) each being arranged in one of said passages (11, 12, 13, 34, 44). Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que les pièces de réglage (21, 22, 23, 51, 52, 53, 67, 68, 69) sont mobiles en rotation.Device according to any one of the preceding claims, characterized in that the adjusting parts (21, 22, 23, 51, 52, 53, 67, 68, 69) are movable in rotation. Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que les pièces de réglage (21, 22, 23, 67, 68, 69) sont des vis (27) agencées chacune dans un passage (11, 12, 13, 34, 44) orthogonalement au deuxième plan, chaque vis étant munie d'une tête (28) et d'une tige (29), l'une au moins desdites vis étant excentrique, de préférence les trois, la tête (28) étant destinée à être en contact avec la face d'appui (5, 6, 7, 36, 46).Device according to any one of the preceding claims, characterized in that the adjustment parts (21, 22, 23, 67, 68, 69) are screws (27) each arranged in a passage (11, 12, 13 , 34, 44) orthogonally to the second plane, each screw being provided with a head (28) and a rod (29), at least one of said screws being eccentric, preferably all three, the head (28) being intended to be in contact with the bearing face (5, 6, 7, 36, 46). Dispositif selon la revendication précédente, caractérisé en ce que les pièces de réglage sont des vis (51, 52, 53) agencées dans le deuxième plan, chaque vis étant munie d'une tête et d'une tige, la tige étant destinée à être en contact avec la face d'appui (48, 49, 50).Device according to the preceding claim, characterized in that the adjustment parts are screws (51, 52, 53) 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 (48, 49, 50). Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que les pièces de réglage (51, 52, 53) sont mobiles en translation.Device according to any one of the preceding claims, characterized in that the adjustment parts (51, 52, 53) are movable in translation. Dispositif selon l'une, quelconque, des revendications 1 à 8, caractérisé en ce qu'au moins l'un des passages (11, 12, 13, 34, 44), de préférence les trois passages, a une forme oblongue, la face d'appui (5, 6, 7, 36, 46) étant définie par un côté de ladite forme.Device according to any one of claims 1 to 8, characterized in that at least one of the passages (11, 12, 13, 34, 44), preferably the three passages has an oblong shape, the bearing face (5, 6, 7, 36, 46) being defined by one side of said shape. Dispositif selon la revendication précédente, caractérisé en ce que chaque passage (11, 12, 13) a une largeur sensiblement égale à la largeur de la tête (28) des vis (27).Device according to the preceding claim, characterized in that each passage (11, 12, 13) has a width substantially equal to the width of the head (28) of the screws (27). Dispositif selon l'une, quelconque, des revendications 1 à 10, caractérisé en ce qu'il comprend des moyens élastiques de précontrainte (37, 47) pour maintenir les faces d'appui (36, 46, 48, 49, 50) contre les moyens de réglage (35, 45, 51, 52, 53).Device according to any one of Claims 1 to 10, characterized in that it comprises elastic prestressing means (37, 47) for maintaining the bearing faces (36, 46, 48, 49, 50) against the adjustment means (35, 45, 51, 52, 53). Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce que le premier pont (2) comporte des graduations pour indiquer la position du deuxième pont (3).Device according to any one of the preceding claims, characterized in that the first bridge (2) has graduations to indicate the position of the second bridge (3). Dispositif selon l'une, quelconque, des revendications précédentes, caractérisé en ce qu'il comprend des moyens de verrouillage (57) du deuxième pont (3) sur le premier (2).Device according to any one of the preceding claims, characterized in that it comprises locking means (57) of the second bridge (3) on the first (2). Mécanisme résonateur (80), notamment pour mouvement horloger, comprenant un premier pont (40), notamment une platine de mouvement horloger, caractérisé en ce qu'il comporte un dispositif d'assemblage et d'alignement (1, 10, 70) selon l'une, quelconque, des revendications précédentes.Resonator mechanism (80), in particular for a watch movement, comprising a first bridge (40), in particular a plate for a watch movement, characterized in that it comprises an assembly and alignment device (1, 10, 70) according to any one of the preceding claims.
EP19205005.2A 2019-10-24 2019-10-24 Device for assembly and alignment, in particular for a timepiece resonator mechanism Pending EP3812846A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19205005.2A EP3812846A1 (en) 2019-10-24 2019-10-24 Device for assembly and alignment, in particular for a timepiece resonator mechanism
US17/027,775 US11899404B2 (en) 2019-10-24 2020-09-22 Assembly and alignment device, particularly for a timepiece resonator mechanism
JP2020160441A JP7116764B2 (en) 2019-10-24 2020-09-25 Mounting and alignment device, especially for resonant mechanisms for timepieces
RU2020134765A RU2754522C1 (en) 2019-10-24 2020-10-22 Device for alignment and installation, in particular for clock resonator mechanism
CN202011145838.1A CN112711181B (en) 2019-10-24 2020-10-23 Assembly and alignment device, in particular for a timepiece resonator mechanism

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Application Number Priority Date Filing Date Title
EP19205005.2A EP3812846A1 (en) 2019-10-24 2019-10-24 Device for assembly and alignment, in particular for a timepiece resonator mechanism

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EP (1) EP3812846A1 (en)
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US11899404B2 (en) 2024-02-13
CN112711181B (en) 2023-04-25
US20210124309A1 (en) 2021-04-29
CN112711181A (en) 2021-04-27
RU2754522C1 (en) 2021-09-02
JP7116764B2 (en) 2022-08-10

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