EP3355130A1 - Timepiece resonator mechanism - Google Patents
Timepiece resonator mechanism Download PDFInfo
- Publication number
- EP3355130A1 EP3355130A1 EP18150706.2A EP18150706A EP3355130A1 EP 3355130 A1 EP3355130 A1 EP 3355130A1 EP 18150706 A EP18150706 A EP 18150706A EP 3355130 A1 EP3355130 A1 EP 3355130A1
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- EP
- European Patent Office
- Prior art keywords
- flexible
- pivot axis
- posterior
- angle
- virtual pivot
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 230000009975 flexible effect Effects 0.000 claims abstract description 94
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
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- 239000000543 intermediate Substances 0.000 description 20
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
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Images
Classifications
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- 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
- G04B15/00—Escapements
- G04B15/02—Escapements permanently in contact with the regulating mechanism
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B15/00—Escapements
- G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
- G04B17/225—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with pendulums
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/02—Shock-damping bearings
Definitions
- the invention relates to a timepiece resonator mechanism comprising a first support with a first anchor and a second anchor to which is fixed a flexible pivoting guide mechanism, which defines a virtual pivot axis about which rotates a pivoting mass, and which comprises at least one anterior RCC flexible pivot and a posterior RCC flexible pivot mounted in series and head to tail with respect to each other about said virtual pivot axis, said prior RCC flexible pivot comprising, between said first support and an intermediate rotatable support, two straight anterior flexible blades of the same anterior length between their recesses, defining two anterior linear directions which intersect at said virtual pivot axis and which define with said virtual pivot axis an anterior angle, and whose respective anchorages of said two most straight forward flexible blades away from said virtual pivot axis are both at the same previous distance from said virtual pivot axis, and said posterior flexible pivot RCC having, between said intermediate rotary support, which comprises a third anchor and a fourth anchor, and said pivoting mass, two posterior flexible blades having the same posterior length between their reces
- the invention also relates to a watch movement comprising at least one such resonator mechanism.
- the invention also relates to a watch comprising at least one such movement.
- the invention relates to the field of clock resonator mechanisms.
- the document EP3021174 in the name of LVMH SWISS MFT SA describes a monolithic timepiece controller made of a single plate, comprising a rigid outer element, an internal rigid element, and elastic suspensions connecting the external rigid element to the inner rigid element and allowing oscillation movements.
- the rigid inner member has arms which are rigidly connected to each other, leaving between them free angular spaces, in which are located the elastic suspensions.
- This document illustrates a compact system, with pivots that have flexible blades, but this document does not describe a feature to ensure isochronism (independent of amplitude), or insensitivity to the positions in space , in the gravitational field (independent of positions).
- the architecture of the blades and intermediate supports is particular: it may be noted that the ends of the two blades close to the axis of rotation are connected to two different intermediate supports, and are not connected to the same rigid element, it is not is therefore not RCC pivots (Remote Compliance Center); it can also be noted that the recesses close to the pivot axis of the first pivot are not rigidly connected by the intermediate support to the recesses distant from the pivot axis of the second pivot.
- the described system consists of three elementary flexible structures identical, repeated every 120 ° and combined as springs in parallel. Since each of these structures defines its own axis of rotation, the complete system is obviously hyperstatic, that is, there are more constraints than is necessary for the operation of the system.
- the teachings of this document do not make it possible to determine its particular geometrical parameters.
- the document WO2012 / 010408 in the name of NIVAROX-FAR describes an oscillating mechanism for a watch movement, comprising a first rigid element and a second rigid element, each arranged to be fixed to a different element of the movement, and one of which is movable relative to the other and pivots around a theoretical pivot axis.
- This oscillating mechanism is flexible with variable geometry, while being made in one piece, and comprises first elastic return means providing a direct or indirect elastic connection between said first rigid element and an intermediate rigid element, and comprises at least second means resilient return, which provide a direct or indirect elastic connection between the intermediate rigid element and the second rigid element.
- the first rigid element, the first elastic return means, the intermediate rigid element, the second elastic return means, and the second rigid element are coplanar, and are arranged to deform in this plane. More particularly, the first elastic return means comprise at least one elastic blade, and the second elastic return means comprise at least one elastic blade.
- the document EP2645189 in the name of NIVAROX-FAR describes a clockwork escapement mechanism comprising a balance wheel and an escape wheel.
- the transmission of pulses between the balance wheel and the escape wheel is carried out by a one-piece flexible mechanism comprising at least one probe cooperating with the escape wheel or the rocker, and this flexible one-piece mechanism is connected by at least one flexible blade to a fixed structure of said timepiece, or respectively to the escape wheel.
- this flexible one-piece mechanism is a Swiss anchor, or anchor, flexible with constant force, bistable buckling, this anchor having a rod provided with a fork with a dart and comprising a pivoting and guided flexible rod, this anchor cooperating with a two-level escapement wheel, having pins on these two respective levels, and the anchor still carrying, on another level that the flexible rod, an anchor arranged to cooperate with the escape wheel for moving the anchor near its tilting point.
- the document EP2911012 in the name of CSEM describes a rotary oscillator for a timepiece comprising a support element intended to allow the assembly of the oscillator on a timepiece, a balance, a plurality of flexible blades connecting the support element to the pendulum and able to exercise a pair of booster on the pendulum, and a serge mounted solidarity pendulum.
- This plurality of flexible blades comprises at least a first flexible blade disposed in a first plane perpendicular to the plane of the oscillator, and a second flexible blade disposed in a second plane perpendicular to the plane of the oscillator and secant with the first plane.
- the oscillation geometric axis of the oscillator is defined by the intersection of the first plane and the second plane, this geometric axis of oscillation crossing the first and second blades to 7/8 of their respective length.
- the plurality of flexible blades comprises a pair formed of a first and a second blade of identical geometry and arranged in the first plane, and a third blade disposed in the second plane, interposed between the first and the second blade. and having a height twice that of the first or second blade.
- the invention proposes to produce a mechanical resonator with a high quality factor using an inertial part such as a rocker, supported by a guide with flexible blades in rotation, also called flexible guide pin, which also acts as a means of elastic return. It is desired that this resonator is isochronous (independent of amplitude) and insensitive to positions in the gravitational field (position independent).
- the invention seeks to combine the advantages of two known two-dimensional and three-dimensional geometries, in a simple and economical, therefore two-dimensional, execution.
- the invention thus relates to a clock resonator mechanism according to claim 1.
- the invention also relates to a watch movement comprising at least one such resonator mechanism.
- the invention also relates to a watch comprising at least one such movement.
- the invention relates to a timepiece resonator mechanism 1000, comprising a first rigid support 100, fixed or mobile, with a first anchor 1 and a second anchor 2, to which is fixed a flexible pivoting guide mechanism 10, which defines an axis virtual pivoting A, about which rotatably pivots a pivotal mass 200 rigid.
- This flexible pivot guide mechanism 10 is a 2D flexible guide pivot, that is to say, achievable in a plane.
- This flexible pivoting guide mechanism 10 allows the rigid pivoting mass 200 to rotate the virtual pivot axis A relative to the first rigid support 100. It is composed of two flexible pivots RCC (Remote Center Compliance, that is to say, center of rotation offset) whose axes of rotation coincide and which are connected by a rigid intermediate rotating support 20. The two RCC pivots are thus put in series, but head to tail with respect to each other, so that their parasitic movements compensate each other.
- RCC Remote Center Compliance
- the invention is isostatic in the sense that the relative movement of the parts is done without excessive stress, thanks to the absence of other elements in parallel.
- An elementary pivot with flexible blades is an assembly consisting of 2 rigid parts R1 and R2 which are connected by two flexible blades L1 and L2 which do not touch each other. At rest the blades L1 and L2 are straight and not parallel so that their extension defines a point of intersection A. The two rigid parts R1 and R2 can perform a relative rotational movement about the axis perpendicular to the plane and passing through A .
- a Remote Compliance Center (RCC) pivot shown in figure 10 , is an elementary pivot with flexible blades whose crossing point A is located outside the blades. It consists of two blades L1 and L2 of the same length L, and the insertion points of the blades L1 and L2 in the rigid portion R1 are equidistant from the axis of rotation A.
- the RCC pivot is well known to the a person skilled in the art (see S. Henein's book, "Conception des guidages flexibles", Polytechnic and University Press, 2001, page 101).
- the flexible pivoting guide mechanism of the invention thus consists of only three rigid parts and four blades located in the plane of the guide. In order to ensure that the pivoting guide is isostatic, it is important that there is no other flexible connection in said plane of the guide between said three rigid parts. Nevertheless, it is quite possible to have another flexible guide mechanism pivoting in another plane, parallel to the plane of the first guide and remote thereof. This second flexible pivoting guide mechanism can be connected in series, or in parallel, to the first pivoting guide as required.
- One of the four segments of the rigid intermediate part can be interrupted. This is the case in the figures of the nonlimiting variant illustrated. However, it is important that the four embedments of the slides in the intermediate part (L1A, L2A in R1A and L1B, L2B in R2B in the figure 11 ) are rigidly connected to each other.
- the flexible pivotal guide mechanism 10 includes an earlier RCC flexible pivot 10A and a rearward flexible RCC pivot 10P, which are connected in series with each other, and head-to-tail, about the pivot axis virtual A common, and which incorporate elastic flexible elements.
- the front flexible pivot RCC 10A comprises, between the first support 100 and an intermediate rotary support 20, two anterior resilient assemblies 11, 21, formed, in the embodiment of the figures, by two straight forward flexible blades 110, 210, and the like.
- the rear flexible pivot RCC 10P comprises, between the intermediate rotary support 20, which comprises a third anchorage 3 and a fourth anchorage 4, and the pivoting mass 200, two rear elastic assemblies 31, 41, formed in the embodiment of the figures, by two straight posterior flexible blades 310, 410 of the same posterior length LP between their recesses, defining two posterior linear directions D3, D4, which intersect at the level of the virtual pivot axis A, and which define with this virtual pivot axis A at a posterior angle ⁇ P, and whose respective anchors of the two posterior flexible blades 310, 410, furthest from the virtual pivot axis A are both at the same distance posterior DP of the axis Virtual pivoting A.
- the flexible pivoting guide mechanism 10 is planar.
- the invention consists in optimizing the angle between the elastic elements of each flexible pivot RCC, so that the pivot has a linear elastic return force, so that the mechanical resonator is isochronous in a given range of angular amplitude.
- the front angle ⁇ A and the posterior angle ⁇ P are equal to a common angle ⁇ . More particularly, this common angle ⁇ is close to 118 °.
- the anterior distance DA and the posterior distance DP are equal to a common distance D
- the anterior length LA and the posterior length LP are equal to a common length L.
- the common angle ⁇ is then between: 107 + 5 / D / The - 2 / 3 and 114.5 + 5 / D / The - 2 / 3 .
- the value of the optimum angle ⁇ depends primarily on the D / L ratio, but it also depends on the blade embedment rays, the aspect ratio of the blade section, and the thickness of the SiO 2 layer. used for thermal compensation.
- An optimal curve, for particular values of embedding radius and aspect ratio of the blades, is represented in solid line on the figure 5 , which shows the evolution of the optimum angle ⁇ , as a function of the D / L ratio.
- the angle ⁇ and the parameter D / L satisfy the relation: 107 + 5 / D / The - 2 / 3 ⁇ ⁇ ⁇ 112 + 5 / D / The - 2 / 3 .
- the first anterior elastic assembly 11, the second anterior elastic assembly 21, the first posterior elastic assembly 31, and the second posterior elastic assembly 41 each consist of a straight flexible blade 110, 210, 310, 410.
- first anterior elastic assembly 11, the second anterior elastic assembly 21, the first posterior elastic assembly 31, and the second posterior elastic assembly 41 each comprise an alternation of straight flexible blades and elements. intermediates more rigid than these straight flexible blades, aligned in the respective directions D1, D2, D3, D4.
- an inertial element 201 to the pivoting mass 200, or to integrate it therewith, and to fix the first rigid support 100 to a plate or a bridge of the watch movement, or any other element that can act as a support for the flexible pivot resonator, for example, without limitation, a tuning element of a tuning fork, or an anti-shock element which is authorized to move only in the event of a violent impact, so as to reduce the acceleration experienced by the resonator.
- the fixed part and the moving part represented here are permutable.
- This inertial element can be a disk, a ring such as a beam serge as visible on the figure 2 , or a simple arm as visible on the figure 1 . It is important that the center of mass of the inertial element is substantially aligned with the virtual pivot axis A.
- the elastic elements comprise intermediate elements that are stiffer than the straight flexible blades, these intermediate elements are advantageously also skeletonized.
- Another advantageous variant consists of arranging the rigid parts 100, 20, 200, very close to each other around the virtual pivot axis A, so that they act as anti-shock, radial or / and angular abutments, in order to prevent a rupture of the blades, as visible with the surfaces 105, 25, 26, 206, 28, 208, of the figure 4 , in particular the oblique faces 28 and 208 which contribute greatly to the impact resistance of the system.
- the invention can be implemented with blades having varying thicknesses. The optimum angle between the blades must then be adapted accordingly.
- the essential thing is to respect the symmetry of flexibility with respect to the bisector of the angle ⁇ A, and with respect to the virtual pivot axis A.
- the invention is particularly well suited to monolithic execution.
- the first support 100, the pivoting mass 200, and the flexible pivoting guide mechanism 10 form a one-piece assembly.
- This one-piece assembly can be produced either by conventional machining, or else, in a particular and non-exhaustive manner, by "MEMS" or "LIGA” type technologies or 3D printing or additive manufacturing by laser or the like, in silicon, quartz , DLC, metal alloys, glass, ruby, sapphire or other ceramic, or polymers, whether charged or not, or the like, thermally compensated, in particular by particular local growth of silicon dioxide, in certain areas of the room arranged for this purpose, when this one-piece assembly is made of silicon.
- other materials are usable, for some at the cost of temperature compensation. Mention may be made in particular, and not exclusively, of amorphous or crystalline metal alloys.
- the flexible pivoting guide mechanism 10 is advantageously made of silicon, oxidized in such a way that the complete resonator mechanism 1000, with this reported inertial mass 201, is thermally compensated.
- the clock resonator mechanism 1000 may comprise a plurality of such flexible pivoting guide mechanisms 10 connected in series, to increase the total angular travel, arranged in parallel planes, and around the same virtual pivot axis A, by joining together rigid parts between them.
- Such a part can be formed by assembling two pieces engraved on one level, or can be etched in silicon SOI two levels.
- the invention also relates to a 2000 clockwork movement comprising at least one such resonator mechanism 1000.
- the invention also relates to a watch 3000 comprising at least one such movement 2000.
Abstract
Mécanisme résonateur d'horlogerie (1000) plan comportant deux pivots flexibles RCC (10A, 10P) montés en série autour d'un support rotatif intermédiaire (20) et de même axe de pivotement virtuel (A), comportant chacun deux lames flexibles droites (110, 210 ; 310, 410) de même longueur (L), et dont les encastrements opposés audit axe de pivotement (A) sont de même distance (D) par rapport à ce dernier, et définissant des directions linéaires (D1, D2, D3, D4), formant deux à deux des angles avec ledit axe de pivotement virtuel (A), dont la valeur exprimée en degrés est comprise entre : 107 + 5 / D / L 2 / 3 et 112 + 5 / D / L 2 / 3 . Dans une variante ce mécanisme résonateur d'horlogerie (1000) est monobloc en silicium, compensé thermiquement. Mouvement (2000) comportant un tel mécanisme résonateur d'horlogerie (1000). Montre (3000) comportant un tel mouvement (2000).Plane clockwork resonator mechanism (1000) comprising two RCC flexible pivots (10A, 10P) mounted in series around an intermediate rotary support (20) and having the same virtual pivot axis (A), each comprising two straight flexible blades ( 110, 210; 310, 410) of the same length (L), and whose recesses opposite to said pivot axis (A) are of the same distance (D) with respect to the latter, and defining linear directions (D1, D2, D3, D4), forming two by two angles with said virtual pivot axis (A), the value of which, expressed in degrees, is between: 107 + 5 / D / L ˆ’ 2 / 3 and 112 + 5 / D / L ˆ’ 2 / 3 . In a variant, this clockwork resonator mechanism (1000) is a single piece of silicon, thermally compensated. Movement (2000) comprising such a clockwork resonator mechanism (1000). Watch (3000) comprising such a movement (2000).
Description
L'invention concerne un mécanisme résonateur d'horlogerie comportant un premier support avec un premier ancrage et un deuxième ancrage auxquels est fixé un mécanisme flexible de guidage en pivotement, qui définit un axe de pivotement virtuel autour duquel pivote de façon rotative une masse pivotante, et qui comporte au moins un pivot flexible RCC antérieur et un pivot flexible RCC postérieur montés en série et tête-bêche l'un par rapport à l'autre autour dudit axe de pivotement virtuel, ledit pivot flexible RCC antérieur comportant, entre ledit premier support et un support rotatif intermédiaire, deux lames flexibles antérieures droites de même longueur antérieure entre leurs encastrements, définissant deux directions linéaires antérieures qui se croisent au niveau dudit axe de pivotement virtuel et qui définissent avec ledit axe de pivotement virtuel un angle antérieur, et dont les ancrages respectifs desdites deux lames flexibles antérieures droites les plus éloignés dudit axe de pivotement virtuel sont tous deux à une même distance antérieure dudit axe de pivotement virtuel, et ledit pivot flexible RCC postérieur comportant, entre ledit support rotatif intermédiaire, qui comporte un troisième ancrage et un quatrième ancrage, et ladite masse pivotante, deux lames flexibles postérieures droites de même longueur postérieure entre leurs encastrements, définissant deux directions linéaires postérieures qui se croisent au niveau dudit axe de pivotement virtuel et qui définissent avec ledit axe de pivotement virtuel un angle postérieur, et dont les ancrages respectifs desdites deux lames flexibles postérieures droites les plus éloignés dudit axe de pivotement virtuel sont tous deux à une même distance postérieure dudit axe de pivotement virtuel.The invention relates to a timepiece resonator mechanism comprising a first support with a first anchor and a second anchor to which is fixed a flexible pivoting guide mechanism, which defines a virtual pivot axis about which rotates a pivoting mass, and which comprises at least one anterior RCC flexible pivot and a posterior RCC flexible pivot mounted in series and head to tail with respect to each other about said virtual pivot axis, said prior RCC flexible pivot comprising, between said first support and an intermediate rotatable support, two straight anterior flexible blades of the same anterior length between their recesses, defining two anterior linear directions which intersect at said virtual pivot axis and which define with said virtual pivot axis an anterior angle, and whose respective anchorages of said two most straight forward flexible blades away from said virtual pivot axis are both at the same previous distance from said virtual pivot axis, and said posterior flexible pivot RCC having, between said intermediate rotary support, which comprises a third anchor and a fourth anchor, and said pivoting mass, two posterior flexible blades having the same posterior length between their recesses, defining two posterior linear directions which intersect at said virtual pivot axis and which define with said virtual pivoting axis a posterior angle, and whose respective anchors of said two posterior flexible blades Straightest furthest from said virtual pivot axis are both at the same posterior distance from said virtual pivot axis.
L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mécanisme résonateur.The invention also relates to a watch movement comprising at least one such resonator mechanism.
L'invention concerne encore une montre comportant au moins un tel mouvement.The invention also relates to a watch comprising at least one such movement.
L'invention concerne le domaine des mécanismes résonateurs d'horlogerie.The invention relates to the field of clock resonator mechanisms.
Il est connu que l'utilisation d'un pivot à guidage flexible permet de remplacer le pivot réel d'un balancier ainsi que le ressort spiral de rappel élastique. Ceci à l'avantage de supprimer les frottements de pivots. Toutefois les pivots à guidage flexible sont connus pour avoir une force de rappel élastique non-linéaire ce qui rend le résonateur anisochrone, c'est-à-dire que la fréquence dépend de l'amplitude de l'oscillation, et pour avoir un mouvement parasite de l'axe instantané de rotation, ce qui rend la marche du résonateur sensible à sa position dans le champ de la gravité.It is known that the use of a flexible guiding pivot makes it possible to replace the real pivot of a balance and the spiral spring of elastic return. This has the advantage of eliminating the friction of pivots. However the guiding pivots flexible are known to have a nonlinear elastic restoring force which makes the resonator anisochronous, that is to say that the frequency depends on the amplitude of the oscillation, and to have a parasitic movement of the axis instantaneous rotation, which makes the movement of the resonator sensitive to its position in the field of gravity.
Le problème de la non-linéarité de la force de rappel élastique est difficile à résoudre, et les solutions géométriques existantes, pour améliorer la linéarité de la force de rappel élastique et par conséquent rendre le résonateur isochrone pour une gamme d'amplitude angulaire donnée, nécessitent une fabrication sur plusieurs niveaux. La demande de brevet
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L'invention se propose de réaliser un résonateur mécanique à haut facteur de qualité à l'aide d'une partie inertielle telle qu'un balancier, supportée par un guidage à lames flexibles en rotation, appelé aussi pivot à guidage flexible, qui agit aussi comme moyen de rappel élastique. On désire que ce résonateur soit isochrone (marche indépendante de l'amplitude) et insensible aux positions dans le champ de gravité (marche indépendante des positions).The invention proposes to produce a mechanical resonator with a high quality factor using an inertial part such as a rocker, supported by a guide with flexible blades in rotation, also called flexible guide pin, which also acts as a means of elastic return. It is desired that this resonator is isochronous (independent of amplitude) and insensitive to positions in the gravitational field (position independent).
L'invention cherche à allier les avantages des deux géométries connues bidimensionnelle et tridimensionnelle, dans une exécution simple et économique, donc bidimensionnelle.The invention seeks to combine the advantages of two known two-dimensional and three-dimensional geometries, in a simple and economical, therefore two-dimensional, execution.
L'invention concerne ainsi un mécanisme résonateur d'horlogerie selon la revendication 1.The invention thus relates to a clock resonator mechanism according to
L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mécanisme résonateur.The invention also relates to a watch movement comprising at least one such resonator mechanism.
L'invention concerne encore une montre comportant au moins un tel mouvement.The invention also relates to a watch comprising at least one such movement.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :
- la
figure 1 représente, de façon schématisée et en vue en perspective, un résonateur mécanique selon l'invention, comportant, entre un premier support agencé pour être fixé directement ou indirectement à la structure d'un mouvement d'horlogerie, et une masse pivotante mobile sur laquelle est rapporté un balancier à bras, deux pivots flexibles RCC montés en série, et tête-bêche, autour d'un support rotatif intermédiaire et de même axe de pivotement virtuel, et comportant chacun deux lames flexibles droites, avec le centre de masse de l'ensemble constitué par la masse pivotante mobile et le balancier rapporté coïncidant avec l'axe de pivotement virtuel; - la
figure 2 est une variante où le balancier rapporté comporte une serge circulaire ; - la
figure 3 représente, de façon schématisée et en vue en plan, la partie centrale du résonateur de lafigure 1 ; - la
figure 4 est un détail de la même partie centrale, mettant en évidence les différentes surfaces de limitation pour la protection anti-chocs, que comporte ce résonateur ; - la
figure 5 est un graphique représentant la valeur optimale de l'angle entre les deux lames de chaque pivot flexible RCC, en fonction du ratio entre, d'une part la distance de l'encastrement d'une lame, opposé à l'axe de pivotement, et d'autre part avec la longueur de la lame concernée ; - les
figures 6 à 8 illustrent d'autres variantes d'arrangements géométriques; - la
figure 9 est un schéma-blocs représentant une montre avec un mouvement incorporant un résonateur selon l'invention, lequel comporte plusieurs mécanismes flexibles de guidage en pivotement disposés en série ; - la
figure 10 représente, de façon schématisée et en vue en plan, un pivot RCC ; - la
figure 11 représente, de façon schématisée et en vue en plan, un pivot à lames flexibles comportant deux pivots RCC symétriques mis en série et disposés tête-bêche.
- the
figure 1 represents schematically and in perspective view, a mechanical resonator according to the invention, comprising, between a first support arranged to be fixed directly or indirectly to the structure of a watch movement, and a mobile pivoting mass on which is reported a pendulum arm, two flexible pivots RCC mounted in series, and head-to-tail, around an intermediate rotary support and the same virtual pivoting axis, and each having two straight flexible blades, with the center of mass of the assembly consisting of the mobile pivoting mass and the reported balance coinciding with the virtual pivot axis; - the
figure 2 is a variant where the reported balance has a circular serge; - the
figure 3 represents schematically and in plan view, the central part of the resonator of thefigure 1 ; - the
figure 4 is a detail of the same central part, highlighting the different limiting surfaces for the impact protection, that includes this resonator; - the
figure 5 is a graph representing the optimum value of the angle between the two blades of each flexible pivot RCC, as a function of the ratio between, on the one hand, the distance of the embedding of a blade, opposite to the axis of pivoting, and on the other hand with the length of the blade concerned; - the
Figures 6 to 8 illustrate other variations of geometric arrangements; - the
figure 9 is a block diagram showing a watch with a movement incorporating a resonator according to the invention, which comprises a plurality of flexible pivot guide mechanisms arranged in series; - the
figure 10 schematically shows in plan view an RCC pivot; - the
figure 11 is schematically shown in plan view, a pivot with flexible blades having two symmetrical RCC pivots in series and arranged head to tail.
L'invention concerne un mécanisme résonateur d'horlogerie 1000, comportant un premier support 100 rigide, fixe ou mobile, avec un premier ancrage 1 et un deuxième ancrage 2, auxquels est fixé un mécanisme flexible de guidage en pivotement 10, qui définit un axe de pivotement virtuel A, autour duquel pivote de façon rotative une masse pivotante 200 rigide.The invention relates to a
Ce mécanisme flexible de guidage en pivotement 10 est un pivot à guidage flexible 2D, c'est-à-dire réalisable dans un plan.This flexible
Ce mécanisme flexible de guidage en pivotement 10 permet à la masse pivotante 200 rigide d'effectuer une rotation de l'axe de pivotement virtuel A, relativement au premier support 100 rigide. Il est composé de deux pivots flexibles RCC (Remote Center Compliance, c'est-à-dire centre de rotation déporté) dont les axes de rotation coïncident et qui sont reliés par un support rotatif intermédiaire 20 rigide. Les deux pivots RCC sont ainsi mis en série, mais tête-bêche l'un par rapport à l'autre, de sorte que leurs mouvements parasites se compensent.This flexible
L'invention est isostatique dans le sens où le mouvement relatif des pièces se fait sans contrainte excessive, grâce à l'absence d'autres éléments mis en parallèle.The invention is isostatic in the sense that the relative movement of the parts is done without excessive stress, thanks to the absence of other elements in parallel.
Un pivot élémentaire à lames flexibles est un ensemble constitué de 2 parties rigides R1 et R2 qui sont reliées par deux lames flexibles L1 et L2 qui ne se touchent pas. Au repos les lames L1 et L2 sont droites et non parallèles de sorte que leur prolongement définit un point de croisement A. Les deux parties rigides R1 et R2 peuvent effectuer un mouvement relatif de rotation autour de l'axe perpendiculaire au plan et passant par A.An elementary pivot with flexible blades is an assembly consisting of 2 rigid parts R1 and R2 which are connected by two flexible blades L1 and L2 which do not touch each other. At rest the blades L1 and L2 are straight and not parallel so that their extension defines a point of intersection A. The two rigid parts R1 and R2 can perform a relative rotational movement about the axis perpendicular to the plane and passing through A .
Un pivot RCC (Remote Compliance Center), illustré à la
La géométrie d'un pivot RCC est caractérisée par deux paramètres :
- (1) l'angle α entre ses deux lames et (2) le rapport D/L où D est la distance entre l'axe de rotation A et l'encastrement des lames qui en est le plus éloigné, et L est la longueur de chacune des deux lames.
- (1) the angle α between its two blades and (2) the ratio D / L where D is the distance between the axis of rotation A and the embedding of the blades which is farthest away, and L is the length of each of the two blades.
L'invention comporte un mécanisme flexible de guidage en pivotement composé de deux pivots RCC mis en série, tel que :
- les deux pivots RCC qui le composent sont situés dans un même plan ;
- les deux pivots RCC qui le composent ont le même axe de rotation A ;
- les deux pivots RCC qui le composent ont les mêmes paramètres α et D/L ;
- the two RCC pivots that compose it are located in the same plane;
- the two RCC pivots that compose it have the same axis of rotation A;
- the two RCC pivots that compose it have the same parameters α and D / L;
Le mécanisme flexible de guidage en pivotement que comporte l'invention est ainsi constitué uniquement de trois parties rigides et de quatre lames situées dans le plan du guidage. Afin de garantir que le guidage en pivotement est isostatique, il est important qu'il n'y ait pas d'autre liaison flexible dans ledit plan du guidage entre lesdites trois parties rigides. Néanmoins, il est tout à fait envisageable de disposer un autre mécanisme flexible de guidage en pivotement dans un autre plan, parallèle au plan du premier guidage et distant de celui-ci. Ce second mécanisme flexible de guidage en pivotement peut être relié en série, ou en parallèle, au premier guidage en pivotement selon les besoins.The flexible pivoting guide mechanism of the invention thus consists of only three rigid parts and four blades located in the plane of the guide. In order to ensure that the pivoting guide is isostatic, it is important that there is no other flexible connection in said plane of the guide between said three rigid parts. Nevertheless, it is quite possible to have another flexible guide mechanism pivoting in another plane, parallel to the plane of the first guide and remote thereof. This second flexible pivoting guide mechanism can be connected in series, or in parallel, to the first pivoting guide as required.
On peut fixer la première partie rigide (R1B sur la
Un des quatre segments de la partie rigide intermédiaire peut être interrompu. C'est le cas dans les figures de la variante non limitative illustrée. Toutefois, il est important que les quatre encastrements des lames dans la partie intermédiaire (L1A, L2A dans R1A et L1B, L2B dans R2B dans la
On comprend que les encastrements proches de l'axe de pivotement virtuel A du premier pivot RCC sont rigidement reliés, par le support rotatif intermédiaire 20, aux encastrements éloignés de l'axe de pivotement virtuel A du second pivot RCC, ou vice-versa, tel que visible sur les
Ainsi, le mécanisme flexible de guidage en pivotement 10 comporte un pivot flexible RCC antérieur 10A et un pivot flexible RCC postérieur 10P, qui sont montés en série l'un avec l'autre, et tête-bêche, autour de l'axe de pivotement virtuel A commun, et qui incorporent des éléments flexibles élastiques.Thus, the flexible
Le pivot flexible RCC antérieur 10A comporte, entre le premier support 100 et un support rotatif intermédiaire 20, deux ensembles élastiques antérieurs 11, 21, formés, dans le mode de réalisation des figures, par deux lames flexibles antérieures droites 110, 210, de même longueur antérieure LA entre leurs encastrements, définissant deux directions linéaires antérieures D1, D2, qui se croisent au niveau de l'axe de pivotement virtuel A, et qui définissent avec cet axe de pivotement virtuel A un angle antérieur αA, et dont les ancrages respectifs des deux lames flexibles antérieures droites 110, 210, les plus éloignés de l'axe de pivotement virtuel A sont tous deux à une même distance antérieure DA de l'axe de pivotement virtuel A.The front
De façon similaire, le pivot flexible RCC postérieur 10P comporte, entre le support rotatif intermédiaire 20, qui comporte un troisième ancrage 3 et un quatrième ancrage 4, et la masse pivotante 200, deux ensembles élastiques postérieurs 31, 41, formés, dans le mode de réalisation des figures, par deux lames flexibles postérieures droites 310, 410 de même longueur postérieure LP entre leurs encastrements, définissant deux directions linéaires postérieures D3, D4, qui se croisent au niveau de l'axe de pivotement virtuel A, et qui définissent avec cet axe de pivotement virtuel A un angle postérieur αP, et dont les ancrages respectifs des deux lames flexibles postérieures droites 310, 410, les plus éloignés de l'axe de pivotement virtuel A sont tous deux à une même distance postérieure DP de l'axe de pivotement virtuel A.Similarly, the rear
De plus, le mécanisme flexible de guidage en pivotement 10 est plan.In addition, the flexible
L'invention consiste à optimiser l'angle entre les éléments élastiques de chaque pivot flexible RCC, pour que le pivot ait une force de rappel élastique linéaire, afin que le résonateur mécanique soit isochrone dans un domaine d'amplitude angulaire donné.The invention consists in optimizing the angle between the elastic elements of each flexible pivot RCC, so that the pivot has a linear elastic return force, so that the mechanical resonator is isochronous in a given range of angular amplitude.
Selon l'invention, le centre d'inertie de l'ensemble formé par la masse pivotante 200 et toute masse inertielle rapportée 201 que porte la masse pivotante 200, comme dans les variantes non limitatives illustrées aux
- l'angle antérieur αA exprimé en degrés est compris entre :
- et l'angle postérieur αP exprimé en degrés est compris entre :
- the previous angle αA expressed in degrees is between:
- and the posterior angle αP expressed in degrees is between:
Dans une variante particulière, l'angle antérieur αA et l'angle postérieur αP sont égaux à un angle commun α. Plus particulièrement, cet angle commun α est voisin de 118°.In a particular variant, the front angle αA and the posterior angle αP are equal to a common angle α. More particularly, this common angle α is close to 118 °.
Dans une variante préférée, la distance antérieure DA et la distance postérieure DP sont égales à une distance commune D, et la longueur antérieure LA et la longueur postérieure LP sont égales à une longueur commune L.In a preferred variant, the anterior distance DA and the posterior distance DP are equal to a common distance D, and the anterior length LA and the posterior length LP are equal to a common length L.
L'angle commun α est alors compris entre :
La valeur de l'angle α optimum dépend principalement du rapport D/L, mais elle dépend aussi des rayons à l'encastrement des lames, du rapport d'aspect de la section des lames, et de l'épaisseur de la couche de SiO2 utilisée pour la compensation thermique.The value of the optimum angle α depends primarily on the D / L ratio, but it also depends on the blade embedment rays, the aspect ratio of the blade section, and the thickness of the
Une courbe optimale, pour des valeurs particulières de rayons d'encastrement et de rapport d'aspect des lames, est représentée en trait plein sur la
Naturellement, des valeurs différentes de rayons d'encastrement, et de rapport d'aspect de la section des lames, conduisent à des valeurs différentes de l'angle α optimal. Cette plage angulaire est représentée sur la
Plus particulièrement, l'angle α et le paramètre D/L satisfont la relation:
Plus particulièrement, dans les variantes illustrées sur les figures, le premier ensemble élastique antérieur 11, le deuxième ensemble élastique antérieur 21, le premier ensemble élastique postérieur 31, et le deuxième ensemble élastique postérieur 41 sont constitués chacun d'une lame flexible droite 110, 210, 310, 410.More particularly, in the variants illustrated in the figures, the first anterior
Dans une autre variante non illustrée sur les figures, le premier ensemble élastique antérieur 11, le deuxième ensemble élastique antérieur 21, le premier ensemble élastique postérieur 31, et le deuxième ensemble élastique postérieur 41 comportent chacun une alternance de lames flexibles droites et d'éléments intermédiaires plus rigides que ces lames flexibles droites, alignés selon les directions respectives D1, D2, D3, D4.In another variant not illustrated in the figures, the first anterior
Pour obtenir un résonateur mécanique à haut facteur de qualité, il est avantageux de rapporter un élément inertiel 201 à la masse pivotante 200, ou de l'intégrer à celle-ci, et de fixer le premier support 100 rigide à une platine ou un pont du mouvement d'horlogerie, ou tout autre élément susceptible d'agir comme support du résonateur à pivot flexible, par exemple, de façon non limitative, un élément de liaison d'un diapason, ou encore un élément anti-choc qui est autorisé à se déplacer uniquement en cas de choc violent, de façon à diminuer l'accélération subie par le résonateur. Naturellement, la partie fixe et la partie mobile représentées ici sont permutables. Cet élément inertiel peut être un disque, un anneau tel qu'une serge de balancier tel que visible sur la
Pour éviter des modes propres indésirables, il est avantageux de squeletter le support rotatif intermédiaire 20 rigide avec des évidements 209, de façon à réduire son inertie, tout en lui conférant une rigidité très supérieure à celle des lames flexibles constituant les ensembles élastiques 11, 21, 31, et 41, tel que visible sur les
De la même façon, quand les éléments élastiques comportent des éléments intermédiaires plus rigides que les lames flexibles droites, ces éléments intermédiaires sont avantageusement également squelettés.In the same way, when the elastic elements comprise intermediate elements that are stiffer than the straight flexible blades, these intermediate elements are advantageously also skeletonized.
Une autre variante avantageuse, concernant tous les modes de réalisation, consiste à agencer les parties rigides 100, 20, 200, très proches l'une de l'autre autour de l'axe de pivotement virtuel A, de sorte qu'elles agissent comme des butées anti-choc, radiales ou/et angulaires, afin d'empêcher une rupture des lames, tel que visible avec les surfaces 105, 25, 26, 206, 28, 208, de la
L'invention peut être mise en oeuvre avec des lames présentant des épaisseurs variables. L'angle optimum entre les lames doit alors être adapté en conséquence.The invention can be implemented with blades having varying thicknesses. The optimum angle between the blades must then be adapted accordingly.
L'essentiel est de respecter la symétrie de flexibilité par rapport à la bissectrice de l'angle αA, et par rapport à l'axe de pivotement virtuel A.The essential thing is to respect the symmetry of flexibility with respect to the bisector of the angle αA, and with respect to the virtual pivot axis A.
L'invention se prête particulièrement bien à une exécution monolithique.The invention is particularly well suited to monolithic execution.
Dans une réalisation avantageuse, le premier support 100, la masse pivotante 200, et le mécanisme flexible de guidage en pivotement 10 forment un ensemble monobloc. Cet ensemble monobloc peut être réalisé, ou bien par usinage classique, ou bien, de façon particulière et non exhaustive, par des technologies de type « MEMS » ou « LIGA » ou impression 3D ou fabrication additive par laser ou similaire, en silicium, quartz, DLC, alliages métalliques, verre, rubis, saphir ou autre céramique, ou polymères, chargés ou non, ou similaire, compensé thermiquement, notamment par une croissance locale particulière de dioxyde de silicium, dans certaines zones de la pièce agencées à cet effet, quand cet ensemble monobloc est réalisé en silicium. Naturellement, d'autres matériaux encore sont utilisables, pour certains au prix d'une compensation en température. On citera notamment et non limitativement des alliages métalliques amorphes ou cristallins.In an advantageous embodiment, the
Quand la masse pivotante 200 porte une masse inertielle rapportée 201, le mécanisme flexible de guidage en pivotement 10 est avantageusement en silicium, oxydé de façon telle que le mécanisme résonateur 1000 complet, avec cette masse inertielle rapportée 201, soit compensé thermiquement.When the pivoting
Le mécanisme résonateur d'horlogerie 1000 peut comporter une pluralité de tels mécanismes flexibles de guidage en pivotement 10 montés en série, pour augmenter la course angulaire totale, disposés dans des plans parallèles, et autour du même axe de pivotement virtuel A, par solidarisation de parties rigides entre elles. Une telle pièce peut être formée par assemblage de deux pièces gravées sur un seul niveau, ou bien peut être gravée dans du silicium SOI deux niveaux.The
On peut, avantageusement, utiliser deux mécanismes flexibles de guidage en pivotement en configuration de diapason, pour éliminer la réaction au support ; ceci est généralisable à un nombre N de mécanismes flexibles de guidage en pivotement.It is advantageous to use two flexible pivot steering mechanisms in tuning fork configuration, to eliminate the reaction to the support; this is generalizable to a number N of flexible pivoting guide mechanisms.
L'invention concerne encore un mouvement d'horlogerie 2000 comportant au moins un tel mécanisme résonateur 1000.The invention also relates to a 2000 clockwork movement comprising at least one
L'invention concerne encore une montre 3000 comportant au moins un tel mouvement 2000.The invention also relates to a
L'invention apporte plusieurs avantages:
- bon isochronisme, marche indépendante des positions dans le champ de gravité, marche indépendante de l'amplitude;
- facilité de fabrication, grâce au regroupement des éléments fonctionnels dans un seul plan, réalisable en deux dimensions, par gravure en une seule fois dans du silicium ou similaire, ou bien par découpage dans une plaque, par électro-érosion, laser, jet d'eau, fabrication additive ou autre
- good isochronism, independent walking of positions in the gravity field, independent of amplitude;
- ease of manufacture, thanks to the grouping of the functional elements in a single plane, feasible in two dimensions, by one-time etching in silicon or the like, or by cutting into a plate, by electro-erosion, laser, jet of water, additive manufacturing or other
Claims (14)
ledit pivot flexible RCC antérieur (10A) comportant, entre ledit premier support (100) et un support rotatif intermédiaire (20), deux lames flexibles antérieures droites (110, 210) de même longueur antérieure (LA) entre leurs encastrements, définissant deux directions linéaires antérieures (D1, D2) qui se croisent au niveau dudit axe de pivotement virtuel (A) et qui définissent avec ledit axe de pivotement virtuel (A) un angle antérieur (αA), et dont les ancrages respectifs desdites deux lames flexibles antérieures droites (110, 210) les plus éloignés dudit axe de pivotement virtuel (A) sont tous deux à une même distance antérieure (DA) dudit axe de pivotement virtuel (A),
et ledit pivot flexible RCC postérieur (10P) comportant, entre ledit support rotatif intermédiaire (20), qui comporte un troisième ancrage (3) et un quatrième ancrage (4), et ladite masse pivotante (200), deux lames flexibles postérieures droites (310, 410) de même longueur postérieure (LP) entre leurs encastrements, définissant deux directions linéaires postérieures (D3, D4) qui se croisent au niveau dudit axe de pivotement virtuel (A) et qui définissent avec ledit axe de pivotement virtuel (A) un angle postérieur (αP), et dont les ancrages respectifs desdites deux lames flexibles postérieures droites (310, 410) les plus éloignés dudit axe de pivotement virtuel (A) sont tous deux à une même distance postérieure (DP) dudit axe de pivotement virtuel (A),
caractérisé en ce que ledit mécanisme flexible de guidage en pivotement (10) est plan, en ce que le centre d'inertie de l'ensemble formé par ladite masse pivotante (200) et toute masse inertielle rapportée (201) que porte ladite masse pivotante (200 )est sur ledit axe de pivotement virtuel (A) ou dans son voisinage immédiat,
en ce que ledit angle antérieur (αA) exprimé en degrés est compris entre :
said anterior RCC flexible pivot (10A) having, between said first support (100) and an intermediate rotatable support (20), two straight forward flexible blades (110, 210) of the same anterior length (LA) between their recesses, defining two directions linear lines (D1, D2) which intersect at said virtual pivot axis (A) and which define with said virtual pivot axis (A) an anterior angle (αA), and whose respective anchors of said two anterior flexible blades straight (110, 210) furthest from said virtual pivot axis (A) are both at the same previous distance (DA) from said virtual pivot axis (A),
and said posterior flexible RCC pivot (10P) having, between said intermediate rotary support (20), which comprises a third anchorage (3) and a fourth anchorage (4), and said pivoting mass (200), two straight rear flexible blades ( 310, 410) of the same posterior length (LP) between their recesses, defining two posterior linear directions (D3, D4) which intersect at said virtual pivot axis (A) and which define with said virtual pivot axis (A) a posterior angle (αP), and whose respective anchors of said two right posterior flexible blades (310, 410) furthest from said virtual pivot axis (A) are both at the same posterior distance (DP) of said virtual pivot axis (AT),
characterized in that said flexible pivoting guide mechanism (10) is plane, in that the center of mass of the assembly formed by said pivoting mass (200) and any reported inertial mass (201) carried by said pivoting mass (200) is on said virtual pivot axis (A) or in its immediate vicinity,
in that said anterior angle (αA) expressed in degrees is between:
Applications Claiming Priority (2)
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EP16155039.7A EP3206089B1 (en) | 2016-02-10 | 2016-02-10 | Timepiece resonator mechanism |
US15/410,294 US9958831B2 (en) | 2016-02-10 | 2017-01-19 | Timepiece resonator mechanism |
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EP3355130A1 true EP3355130A1 (en) | 2018-08-01 |
EP3355130B1 EP3355130B1 (en) | 2024-04-03 |
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EP16155039.7A Active EP3206089B1 (en) | 2016-02-10 | 2016-02-10 | Timepiece resonator mechanism |
EP18150706.2A Active EP3355130B1 (en) | 2016-02-10 | 2018-01-09 | Timepiece resonator mechanism |
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EP (2) | EP3206089B1 (en) |
JP (1) | JP6285584B2 (en) |
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EP3021174A1 (en) | 2014-11-17 | 2016-05-18 | LVMH Swiss Manufactures SA | Monolithic timepiece regulator, timepiece movement and timepiece having such a timepiece regulator |
WO2016096677A1 (en) | 2014-12-18 | 2016-06-23 | The Swatch Group Research And Development Ltd | Timepiece resonator with crossed blades |
US20170227930A1 (en) * | 2016-02-10 | 2017-08-10 | The Swatch Group Research And Development Ltd | Timepiece resonator mechanism |
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EP2574994A1 (en) * | 2011-09-29 | 2013-04-03 | Asgalium Unitec SA | Resonator with tuning fork for mechanical timepiece movement |
KR101676148B1 (en) | 2012-03-29 | 2016-11-14 | 니바록스-파 에스.에이. | Flexible lever-free escapement mechanism |
WO2013144238A1 (en) | 2012-03-29 | 2013-10-03 | Nivarox-Far S.A. | Flexible escapement mechanism having a plate-free balance |
CN104204966B (en) | 2012-03-29 | 2017-02-22 | 尼瓦洛克斯-法尔股份有限公司 | Flexible escapement mechanism having a mobile frame |
EP3087435B1 (en) * | 2013-12-23 | 2020-04-22 | The Swatch Group Research and Development Ltd. | Device intended to control the angular speed of a train in a timepiece movement and including a magnetic escapement |
EP2975469B1 (en) * | 2014-07-14 | 2017-07-05 | Nivarox-FAR S.A. | Flexible clock guide |
EP3035127B1 (en) * | 2014-12-18 | 2017-08-23 | The Swatch Group Research and Development Ltd. | Clock oscillator with tuning fork |
-
2016
- 2016-02-10 CH CH00173/16A patent/CH712105A2/en not_active Application Discontinuation
- 2016-02-10 EP EP16155039.7A patent/EP3206089B1/en active Active
-
2017
- 2017-01-19 US US15/410,294 patent/US9958831B2/en active Active
- 2017-02-03 JP JP2017018401A patent/JP6285584B2/en active Active
- 2017-02-09 RU RU2017104280A patent/RU2729625C2/en active
- 2017-02-09 CN CN201710071187.8A patent/CN107065493B/en active Active
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2018
- 2018-01-09 EP EP18150706.2A patent/EP3355130B1/en active Active
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EP2273323A2 (en) * | 2009-07-10 | 2011-01-12 | Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA | Mechanical oscillator |
WO2012010408A1 (en) | 2010-07-19 | 2012-01-26 | Nivarox-Far S.A. | Oscillating mechanism with elastic pivot and mobile for the transmission of energy |
EP2645189A1 (en) | 2012-03-29 | 2013-10-02 | Nivarox-FAR S.A. | Flexible escapement mechanism |
EP2911012A1 (en) | 2014-02-20 | 2015-08-26 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Timepiece oscillator |
EP3021174A1 (en) | 2014-11-17 | 2016-05-18 | LVMH Swiss Manufactures SA | Monolithic timepiece regulator, timepiece movement and timepiece having such a timepiece regulator |
WO2016096677A1 (en) | 2014-12-18 | 2016-06-23 | The Swatch Group Research And Development Ltd | Timepiece resonator with crossed blades |
US20170227930A1 (en) * | 2016-02-10 | 2017-08-10 | The Swatch Group Research And Development Ltd | Timepiece resonator mechanism |
EP3206089A1 (en) * | 2016-02-10 | 2017-08-16 | The Swatch Group Research and Development Ltd. | Timepiece resonator mechanism |
Also Published As
Publication number | Publication date |
---|---|
RU2729625C2 (en) | 2020-08-11 |
EP3355130B1 (en) | 2024-04-03 |
CH712105A2 (en) | 2017-08-15 |
EP3206089B1 (en) | 2018-12-19 |
EP3206089A1 (en) | 2017-08-16 |
RU2017104280A3 (en) | 2020-05-29 |
JP2017142246A (en) | 2017-08-17 |
JP6285584B2 (en) | 2018-02-28 |
US9958831B2 (en) | 2018-05-01 |
CN107065493A (en) | 2017-08-18 |
CN107065493B (en) | 2019-06-21 |
US20170227930A1 (en) | 2017-08-10 |
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