EP2790070B1 - Structure for a timepiece mechanism - Google Patents

Structure for a timepiece mechanism Download PDF

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Publication number
EP2790070B1
EP2790070B1 EP14158656.0A EP14158656A EP2790070B1 EP 2790070 B1 EP2790070 B1 EP 2790070B1 EP 14158656 A EP14158656 A EP 14158656A EP 2790070 B1 EP2790070 B1 EP 2790070B1
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EP
European Patent Office
Prior art keywords
frame
piece
inseparable single
pivoting
inseparable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14158656.0A
Other languages
German (de)
French (fr)
Other versions
EP2790070A3 (en
EP2790070A2 (en
Inventor
Marc Stranczl
Thierry Hessler
Jean-Luc Helfer
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.)
Nivarox Far SA
Original Assignee
Nivarox Far SA
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Publication date
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Priority to EP14158656.0A priority Critical patent/EP2790070B1/en
Publication of EP2790070A2 publication Critical patent/EP2790070A2/en
Publication of EP2790070A3 publication Critical patent/EP2790070A3/en
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Publication of EP2790070B1 publication Critical patent/EP2790070B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00—Frameworks
    • 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
    • G04B13/00—Gearwork
    • 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
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49581—Watch or clock making having arbor, pinion, or balance

Definitions

  • the invention relates to a watch mechanism structure for receiving and guiding at least one pivoting mobile.
  • the invention also relates to a mechanical clockwork movement comprising at least one such structure.
  • the invention also relates to a method for producing such a clock mechanism structure for receiving and guiding at least one pivoting mobile
  • the invention relates to the field of watch mechanisms, and more particularly to movements incorporating ready-to-use functional modules intended to be equipped with pivoting mobiles requiring high geometric quality and positioning.
  • the modules do not always allow the reduction in the number of components, which can both lower the cost of production, and a simplification of the assembly range, allowing medium technical staff to assemble and adjust the most complex functions, while guaranteeing the geometrical precision required.
  • the document JP S51 49063 describes mobiles having end pivots which pivot in bearings made in the same plate forming a U.
  • the document NL 11 224 C on behalf of WATSON describes a similar configuration.
  • the document CH 488 169 A in the name of REGO describes a compass needle swivel device, with a bearing bearing of two bearings.
  • the document FR 2 807 160 A1 in the name of DENSO CORP discloses a casing having aligned bores, in which is guided a shaft having, on one side a trunnion of resinous material, and, on the opposite side, a hard metal trunnion of diameter smaller than that of the trunnion. resinous material.
  • the invention proposes to provide structures, in particular, but not exclusively for use in modules or cassettes, with reduced number of components, with a high geometric quality with regard to the tree lines.
  • the present invention preferably uses for this purpose the new micro-component manufacturing technologies, MEMS, "LIGA”, lithography, and the like, to optimize the manufacture of such structures.
  • the invention relates to a watch mechanism structure for receiving and guiding at least one pivoting mobile, according to claim 1.
  • the invention also relates to a mechanical clockwork movement comprising at least one such structure.
  • the invention also relates to a method for producing such a clock mechanism structure for receiving and guiding at least one pivoting mobile, according to claim 20.
  • the invention benefits from the precision of realization of monolithic components (typically, the parts are for example made of silicon and thus benefit from a micrometric precision).
  • the monolithic structure has the main advantage of guaranteeing the distances and forming a mechanism, in particular an oscillator in a preferred application, ready for use.
  • a structure according to the invention has a great industrial advantage: the mechanism, in particular an oscillator, assembled in combination with such a structure, forms a component ready to mount in a movement. None prohibits, moreover, to design an entire movement in the form of a structure according to the invention.
  • the invention relates to the field of watch mechanisms, and more particularly to movements incorporating ready-to-use functional modules.
  • the invention relates to a watch mechanism structure 1 for receiving and guiding at least one pivoting mobile device 10, comprising at least one shaft 47 comprising pivoting guides:
  • a mobile device 10 can also comprise only guides end, without any tree part along its entire length, the present description however uses the name "shaft 47" for the sake of simplicity, to designate the guides or pivots that includes the pivoting mobile 10.
  • this structure 1 comprises at least one unmountable integral structure 11, which comprises at least one monoblock frame 17 releasable which comprises pivoting housing 12 aligned in pairs for the reception of pivots of a shaft 47 of at least one such pivoting mobile 10.
  • Each said pivoting housing 12 is an open housing constituted by a half-bearing or a dihedron, and has at one end an abutment bearing surface 120 in the alignment direction A.
  • this unbreakable integral structure 11 comprises at least one unbreakable integral frame 17, which comprises, forming in particular an upper bearing 44 and a lower bearing 45, pivoting housings 12 aligned in pairs. for receiving pivots of at least one such pivoting mobile 10.
  • the structure 1 further comprises at least one cover 18, which is arranged to cooperate with this at least one frame 17 for, in the closed position of this at least one cover 18 on this at least one frame 17, to enclose at a minimum clearance each such shaft 47 of each such pivoting mobile 10 that includes the structure 1.
  • at least one cover 18 is arranged to cooperate with this at least one frame 17 for, in the closed position of this at least one cover 18 on this at least one frame 17, to enclose at a minimum clearance each such shaft 47 of each such pivoting mobile 10 that includes the structure 1.
  • At least one such cover 18 is made integrally with such a frame 17, to which it is connected by a flexible attachment, and on which it is folded after insertion of the pivoting mobile or 10, or the like.
  • the cover 18 is irreversibly fixed to the frame 17, by welding, soldering, laser welding, bonding, riveting, or otherwise, to constitute together the integral structure 11 unmountable, after the prisoner mounting pivoting mobile 10 in position in pivoting housing 12.
  • the structure 1 incorporates a plate and / or at least one bridge constituting the frame 17 or being attached thereto (e) indemountably.
  • the frame 17 may also be independent of the plate and the bridge, and be fixed on one or the other of the two, or both at the same time.
  • the frame 17 is a closed frame, and in particular a closed rectangular frame.
  • the structure 1 comprises flexible means 18A play catching, to lock without play each such shaft 47 of each such pivoting mobile 10 that includes the cassette 1.
  • the figure 4 illustrates an exemplary embodiment of the cover 18 with elastic lips 18A performing this play catching.
  • These flexible play catching means can equip both the frame 17 and the cover 18.
  • At least one pivoting housing 12 is a dihedron 460.
  • the figure 7 illustrates a particular case where the structure 1 comprises at least one pivoting housing 12 which has a revolution range 46 for the radial retention of such a shaft 47 of pivoting mobile 10, and the abutment bearing surface 120 is a range frontal 49 for the axial limitation of the end of such a shaft 47, this range of revolution 46 and / or this front span 49 being carried / s by at least one resilient shock absorber 48.
  • the revolution range 46 and the front span 49 are carried together by at least one elastic shock absorber 48.
  • revolution range 46 or the front span 49 is carried by a shock absorber of its own.
  • revolution range 46 and the front span 49 are carried separately by a shock absorber, which may be common with two bearing surfaces, or multiple, each scope being carried by a shock absorber which it's clean.
  • revolution range 46 and the front span 49 are carried together by an elastic shock absorber 48.
  • this elastic shock absorber 48 is integral with the integral structure 11, and in particular with the frame 17.
  • this range of revolution 46 or / and this front span 49 is integral with the frame 17.
  • this elastic shock absorber 48, this range of revolution 46 and / or this front span 49 are, together, integral with the unbreakable integral structure 11, and in particular with the frame 17.
  • the unbreakable integral structure 11 is made of silicon, and the intrinsic elastic return means it comprises, if it is the case, are prestressed in an oxidized state of silicon.
  • the frame 17 is made of silicon, and the intrinsic elastic return means it comprises are prestressed in an oxidized state of silicon.
  • the pivots 44, 45 may be constituted by conventional pivots or by flexible guides.
  • structures 1 according to the invention comprising unbreakable monobloc components 17 makes it possible, again, to optimize the pivoting of the different mobiles, and, as required, to ensure their parallelism, or conversely to move at least one end of a mobile shaft to modify a setting micrometrically.
  • the action on the pivoting housing allows, in particular, to adjust the distance between mobile to adjust the penetration of the teeth and / or lifted. Adjustment of the center distance can be achieved monolithically with the deck or bridge. This principle of adjustment of the distances is valid for all the distances in a movement.
  • At least one said pivoting housing 12 is integral with an arm or bearing carrier 13 connected to the frame 17 by elastic return means 14 and 83, respectively.
  • pivoting housings 12 have an invariable position with respect to the at least one unmountable integral structure 11.
  • At least one pivoting housing 12 is suspended, in particular so as to be able to absorb the energy of a shock, and to return to the service position.
  • the figure 5 thus illustrates elastic return means 14 of sufficient rigidity to ensure, at rest, the precise positioning of the pivoting housing 12, and designed to absorb any shocks and then return the axis in its position.
  • at least one pivoting member 10 is pivoted, at least at one end thereof, in a pivot 45, constituting the housing 460, which is housed in an arm or bearing carrier 13.
  • This arm or bearing holder 13 is connected to the frame 17 by these integrated elastic return means 14, which are preferably integral with both the frame 17, and with the arm or bearer 13 respective.
  • the elastic return means 14 allow a setting range, preferably they are associated with means for locking in position after adjustment, the present description gives an example in the particular case of the figure 6 .
  • these position locking means are also made integrally with the frame 17, and with the arm or bearer bearing 13 respectively.
  • the structure 1 preferably comprises, at the level of the frame 17, a mechanism adjustable in position 80, as visible on the figure 6 .
  • the figure 6 thus illustrates a particular arrangement, wherein an arm or bearing carrier 13, is mounted integral with a component adjustable in position, and lock in position once set.
  • the unbreakable integral structure 11 comprises a position adjustment mechanism 80 of an adjustable component in position 82 comprising an arm or bearing carrier 13 connected to the frame 17 by elastic return means 83.
  • This mechanism 80 comprises a rigid structure 81, preferably constituted by the frame 17.
  • This rigid structure 81 carries, via at least one elastic blade 83, this adjustable component in position 82, which here carries an arm or bearing holder 13, and which itself comprises indexing means 84 arranged to cooperate with complementary indexing means 91 that includes an indexing mechanism 90.
  • These complementary indexing means 91 are detachably mounted indexing means 84.
  • This locking mechanism 94 is elastically fixed to the structure 81 by at least one flexible element 96, and is itself subjected to the action of a mechanism of locking 98 which allows it to occupy, or a disengaged position in which the indexing mechanism 90 is free, or an engaged position in which the locking mechanism 94 obstructs the indexing mechanism 90.
  • This locking mechanism comprises at least one flexible element 98 forming a jumper and resiliently fastened to the structure 81, this at least one flexible element 98 here comprises a spout 99 which cooperates with a spout 97 of the blocker 94 to hold the blocker aside during adjustment in position, or with a complementary stop surface 95 of the blocker 94 in the safety of the blocker when the adjustment in position is performed.
  • the figure 6 illustrates such a mechanism with a comb 91 immobilizing an index 84 located at the end of a flexible blade 83, the comb 91 being pressed on this index 84 by a locking spring blade 96 belonging to the blocker 94, itself immobilized by a locking pin 99 mounted on at least one flexible blade 98, this finger 99 cooperating with a stop surface 97 of the blade 96.
  • this combined mechanism of adjustment, locking and locking illustrated here for a particular application of adjustment of a bearing position, for example to perform a micrometric correction on the operation of a regulating mechanism, is applicable to a wide variety of applications: positioning a bearing, a stop, or other.
  • the structure 1, or / and the frame 17, is made of silicon.
  • the housing of pivoting housing 460 are defined, for example, by anisotropic etchings (KOH) in a silicon substrate.
  • KOH anisotropic etchings
  • a version with an assembly of stones or shockproof is also possible.
  • the big advantage is the very precise positioning of the pivoting housing (center distance, verticality). It is noted that the installation of the cover 18 does not disturb the positioning of the various shafts.
  • FIGS 9 to 15 illustrate particular, non-limiting variants of application of the invention. It is understood that, if a preferential application consists in positioning pivoting elements, it is also possible to envisage fixing non-pivoting elements, such as a peg, or a leaf-spring, or other.
  • the figure 9 thus shows an escapement mechanism with a balance-spring, the pin 19 for holding the spiral 190 is integral with the one-piece frame 17 specific to the invention.
  • the frame 17 forms a single-piece component that can not be dismantled with at least one shockproof bearing for receiving a pivot of a component of the mechanism incorporated in the structure 1, in particular an escapement mechanism. .
  • the invention allows two shockproof in one piece to form for example a bridge (or cassette).
  • a bridge or cassette
  • the invention also covers a monolithic bridge. The advantages are a very precise positioning, and the absence of assembly.
  • the shockproof may thus be partially or completely made in the frame 17, in particular in a silicon embodiment or the like: the spring 14 of the shockproof can be made in common with the frame 17.
  • One of the two (or both) stones 13 can be carried out in common with the plate. Pivoting is then done directly in the silicon.
  • the pivoting housings 12 can be made directly in the silicon with surface coatings of the DLC or other type. So there is no more stone, and the rotation points are positioned very precisely.
  • FIGS. 10 to 12 illustrate such a one-piece frame 17 bearing two bearings 13 mounted on shockproof also monobloc with this frame 17.
  • the figure 16 illustrates a cassette made of silicon or the like, with several levels. It carries an oscillator which comprises an escape wheel 901, the axis of which is adjusted in position by the systems 902a and 902b, a flexible guide anchor 903, and a sprung-balance assembly, the retaining pin 908 of which the hairspring 905 is held at a bridge 907a, with which this peg 908 is preferably monoblock; the pivots of the balance 904 are held by suspended shockproof, which are each one-piece with an element of the platen cassette 907b on the one hand, and another element of the same bridge cassette 907a on the other hand.
  • the figure 11 shows an elaboration of this frame 17 in a silicon-type structure, comprising two levels, a first level 17H called “handle” and a second level called 17D "device", not detailed here because well known micromaterials specialists, with a different distribution of counter-pivot functions 131 on the layer “handle” and bore 130 on the “device” layer, and with elastic elements 14 belonging to one or the other of these two layers.
  • the figure 12 illustrates a simplified variant, and the like.
  • the invention makes it possible, again, to produce a structure similar to a shockproof with springs, and a barrel which serves as a stop; such a structure is advantageously in two levels.
  • the figure 13 represents a monobloc frame 17, similar to the structure of the figure 1 , and also comprising two such levels 17H “handle” and 17D “device” with a dihedral half-pad 460 housed in the layer 17D "device".
  • This first level 17D "device” has an opening 15 in the upper part, delimited by the flush surface of the second level 17H "handle”.
  • the frame 17 comprises a bearing surface 21, arranged to cooperate with a complementary bearing face 210 of an antagonistic component, or a cover 18, as can also be seen on the Figures 1 to 4 .
  • this antagonist component is symmetrical, or even identical, to the frame 17 as illustrated.
  • the figure 14 represents a variant arranged to control an interaxial variation E between two bores 51 and 52 carried by such a monobloc frame 17.
  • FIG 15 illustrates another variant control preload of a bistable blade 53 carried by such a monobloc frame 17 at its end points 54 and 55.
  • the end 54 is carried by an arm 13A connected to the frame 17 by elastic return means 83, and carrying the indexing means 84.
  • shockproof includes completely, or just with a stone 13 with spring hole 14, the counter-pivot stone being reported thereafter, and an anchor cooperating with the balance and being flexible guide in the same bridge.
  • This variant is also feasible in two levels “handle” and “device”.
  • the structure 1 comprises breakable elements, intended to facilitate assembly in an upper assembly, it is sufficient to then break these breakable elements to give one or more degrees of freedom to some of its constituents.
  • the structure 1 is made of micro-machinable material, or silicon, or oxidized silicon, and any intrinsic elastic return means it comprises are prestressed in a state oxidized silicon.
  • Other materials according to MEMS or "LIGA" technologies can be implemented. Quartz, DLC, at least partially amorphous materials, metallic glasses, can, and not exclusively, be used for these applications.
  • a particular structure of the structure 1 can compensate for the effects of the expansion of these structural elements, or components of the assembled mechanism in combination with it. It is for example possible to make the silicon board, then to oxidize it, in order to work coherently.
  • the invention also relates to a mechanical clockwork movement 100 comprising at least one such structure 1.
  • the invention also relates to a method for producing such a watch mechanism structure 1 for receiving and guiding at least one pivoting mobile 10.
  • the unmountable monoblock structure 11 is intrinsic resilient return monoblock with it, or to maintain without play at least one shaft 47 of at least one pivoting mobile 10, and / or to constitute at least one elastic shock absorber 48, and / or to allow a setting of position of an arm or bearing holder 13.
  • the one-piece structure 11 is made of silicon, and said intrinsic elastic return means is prestressed in an oxidized state of said silicon.
  • pivoting housings 12 are made directly in the silicon with DLC-type surface coatings.
  • the unmountable integral structure 11 is made with at least one unmountable monoblock frame 17 comprising pivoting housings 12 aligned in pairs for the reception of pivots of at least one said pivoting mobile 10, and these pivoting housings 12 are made by anisotropic etchings in a silicon substrate.
  • the unbreakable integral structure 11 is formed with the frame 17 and a cover 18 trapping the pivoting members 10 together in position in the pivoting housings 12, and the frame 17 and the cover 18 are irreversibly fixed together by welding. or brazing or bonding or riveting or laser welding to form a unit integral unmountable.
  • the high precision provided by the invention makes it possible to thin the components, and therefore the movement.
  • the invention is therefore particularly useful for performing ultra-thin movements.

Description

Domaine de l'inventionField of the invention

L'invention concerne une structure de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotant.The invention relates to a watch mechanism structure for receiving and guiding at least one pivoting mobile.

L'invention concerne encore un mouvement d'horlogerie mécanique comportant au moins une telle structure.The invention also relates to a mechanical clockwork movement comprising at least one such structure.

L'invention concerne encore un procédé de réalisation d'une telle structure de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotantThe invention also relates to a method for producing such a clock mechanism structure for receiving and guiding at least one pivoting mobile

L'invention concerne le domaine des mécanismes d'horlogerie, et plus particulièrement des mouvements intégrant des modules fonctionnels prêts à l'emploi, destinés à être équipés de mobiles pivotants nécessitant une qualité géométrique et de positionnement élevée.The invention relates to the field of watch mechanisms, and more particularly to movements incorporating ready-to-use functional modules intended to be equipped with pivoting mobiles requiring high geometric quality and positioning.

Arrière-plan de l'inventionBackground of the invention

Le positionnement relatif, et la géométrie, en particulier le parallélisme des axes des mobiles pivotants, conditionnent la précision, la marche, et la longévité des mécanismes horlogers.The relative positioning, and the geometry, in particular the parallelism of the axes of the pivoting mobiles, condition the accuracy, the walk, and the longevity of the watch mechanisms.

L'utilisation d'ensembles modulaires requiert, notamment, une précision parfaite, en raison des empilages de sous-ensembles pré-montés de façon indépendante.The use of modular assemblies requires, in particular, perfect accuracy, because of the stacking of pre-assembled subassemblies independently.

La conception de modules ou cassettes de très haute précision permet de combiner une production de grande série avec des produits de qualité.The design of modules or cassettes of very high precision makes it possible to combine mass production with quality products.

On connaît ainsi des sous-ensembles modulaires de mouvements horlogers, par les demandes de brevets EP2605087 A1 et EP2605079 A1 au nom de ETA SA.
Les modules mécaniques décrits dans ces demandes sont pré-réglés et assemblés de façon irréversible pour garantir la pérennité de leurs réglages.Modular subsets of watch movements are thus known from patent applications. EP2605087 A1 and EP2605079 A1 in the name of ETA SA.
The mechanical modules described in these applications are pre-set and assembled irreversibly to ensure the durability of their adjustments.

Toutefois, dans une réalisation classique, les modules ne permettent pas toujours la réduction du nombre de composants, qui puisse permettre à la fois un abaissement du coût de production, et une simplification de la gamme d'assemblage, permettant à du personnel de technicité moyenne d'assembler et régler les fonctions les plus complexes, tout en garantissant les précisions géométriques requises.However, in a conventional embodiment, the modules do not always allow the reduction in the number of components, which can both lower the cost of production, and a simplification of the assembly range, allowing medium technical staff to assemble and adjust the most complex functions, while guaranteeing the geometrical precision required.

Le document JP S51 49063 décrit des mobiles comportant des pivots d'extrémité qui pivotent dans des coussinets réalisés dans une même platine formant un U. Le document NL 11 224 C au nom de WATSON décrit une configuration analogue.The document JP S51 49063 describes mobiles having end pivots which pivot in bearings made in the same plate forming a U. The document NL 11 224 C on behalf of WATSON describes a similar configuration.

Le document US 580 046 A au nom de HARRINGTON décrit une configuration analogue avec une platine en U et des moyens de réglage de parallélisme par vis.The document US 580,046 A in the name of HARRINGTON describes a similar configuration with a U-shaped plate and means of adjustment of parallelism by screws.

Le document US 3 582 162 A au nom de BAERMANN décrit un palier magnétique de compteur électrique, comportant un cadre en U dans lequel sont alignés deux coussinets dans lequel pivote le mobile de comptage.The document US 3,582,162 A in the name of BAERMANN describes a magnetic bearing of electric meter, comprising a U-shaped frame in which are aligned two pads in which pivots the counting mobile.

Le document CH 488 169 A au nom de REGO décrit un dispositif de pivotement pour aiguille de boussole, avec une crapaudine porteuse de deux coussinets.The document CH 488 169 A in the name of REGO describes a compass needle swivel device, with a bearing bearing of two bearings.

Le document DE 22 18 663 A1 au nom de MUELLER SCHLENKER FA décrit des demi-coussinets de balanciers à axe vertical pour le montage latéral de ce balancier, refermés par une plaque comportant une rainure coopérant avec une saillie de révolution du balancier.The document DE 22 18 663 A1 in the name of MUELLER SCHLENKER FA describes half-bearings of pendulums vertical axis for the lateral mounting of this balance, closed by a plate having a groove cooperating with a protrusion of revolution of the balance.

Le document FR 2 807 160 A1 au nom de DENSO CORP décrit un carter comportant des alésages alignés, dans lesquels est guidé un arbre comportant, d'un côté un tourillon en matériau résineux, et, du côté opposé, un tourillon en métal dur de diamètre inférieur à celui du tourillon en matériau résineux.The document FR 2 807 160 A1 in the name of DENSO CORP discloses a casing having aligned bores, in which is guided a shaft having, on one side a trunnion of resinous material, and, on the opposite side, a hard metal trunnion of diameter smaller than that of the trunnion. resinous material.

Résumé de l'inventionSummary of the invention

Aussi, l'invention se propose de fournir des structures, en particulier, mais non limitativement pour l'utilisation dans des modules ou cassettes, à nombre de composants réduit, avec une haute qualité géométrique en ce qui concerne les lignes d'arbres. La présente invention utilise de préférence à cet effet les nouvelles technologies de fabrication de micro-composants, MEMS, « LIGA », lithographie, et similaires, pour optimiser la fabrication de telles structures.Also, the invention proposes to provide structures, in particular, but not exclusively for use in modules or cassettes, with reduced number of components, with a high geometric quality with regard to the tree lines. The present invention preferably uses for this purpose the new micro-component manufacturing technologies, MEMS, "LIGA", lithography, and the like, to optimize the manufacture of such structures.

A cet effet, l'invention concerne une structure de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotant, selon la revendication 1.For this purpose, the invention relates to a watch mechanism structure for receiving and guiding at least one pivoting mobile, according to claim 1.

L'invention concerne encore un mouvement d'horlogerie mécanique comportant au moins une telle structure.The invention also relates to a mechanical clockwork movement comprising at least one such structure.

L'invention concerne encore un procédé de réalisation d'une telle structure de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotant, selon la revendication 20.The invention also relates to a method for producing such a clock mechanism structure for receiving and guiding at least one pivoting mobile, according to claim 20.

L'invention bénéficie de la précision de réalisation de composants monolithiques (typiquement, les pièces sont par exemple réalisées en silicium et bénéficient donc d'une précision micrométrique).The invention benefits from the precision of realization of monolithic components (typically, the parts are for example made of silicon and thus benefit from a micrometric precision).

La structure monolithique a le principal avantage de garantir les entraxes et de former un mécanisme, en particulier un oscillateur dans une application préférée, prêt à l'emploi.The monolithic structure has the main advantage of guaranteeing the distances and forming a mechanism, in particular an oscillator in a preferred application, ready for use.

L'invention intègre en particulier des guidages flexibles, dont les avantages sont :

  • une précision garantie ;
  • un niveau de frottements très réduit voire nul ;
  • l'absence d'hystérèse dans les mouvements, du fait de l'absence de frottements ou du moins de leur niveau extrêmement réduit ;
  • l'absence de lubrification ;
  • l'absence de jeu ;
  • l'absence d'usure.
The invention integrates in particular flexible guides, the advantages of which are:
  • guaranteed accuracy;
  • a level of friction very reduced or even zero;
  • the absence of hysteresis in the movements, because of the absence of friction or at least of their extremely reduced level;
  • lack of lubrication;
  • the lack of play;
  • the absence of wear.

Leur fabrication induit des limitations, notamment une course de déplacement limitée, des efforts de rappel faibles, et une charge limitée. Néanmoins ces limitations ne sont pas rédhibitoires pour nombre de fonctions horlogères, en particulier celles qui sont relatives à la régulation.Their manufacture induces limitations, including a limited displacement stroke, low return forces, and a limited load. However, these limitations are not prohibitive for many horological functions, particularly those relating to regulation.

Ces limitations sont très largement compensées par la haute précision des entraxes, le faible nombre de composants à réaliser et donc une complexité et une durée d'assemblage réduites. Une structure selon l'invention présente un grand avantage industriel : le mécanisme, notamment un oscillateur, assemblé en combinaison avec une telle structure, forme un composant prêt à monter dans un mouvement. Rien n'interdit, d'ailleurs, de concevoir un mouvement entier sous la forme d'une structure selon l'invention.These limitations are largely offset by the high accuracy of the centers, the small number of components to achieve and therefore reduced complexity and assembly time. A structure according to the invention has a great industrial advantage: the mechanism, in particular an oscillator, assembled in combination with such a structure, forms a component ready to mount in a movement. Nothing prohibits, moreover, to design an entire movement in the form of a structure according to the invention.

Description sommaire des dessinsBrief description of the drawings

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, en perspective, une structure selon l'invention comportant un cadre monobloc indéformable qui comporte des logements alignés deux à deux formant pivots pour la réception d'extrémités d'arbres de mobiles pivotants ;
  • les figures 2 et 3 illustrent en vue de dessus la coopération d'un couvercle avec ce cadre, respectivement en positions ouverte et fermée, pour immobiliser ces extrémités d'arbres, la figure 4 illustrant une variante avantageuse de couvercle avec des lames flexibles de rattrapage de jeu ;
  • la figure 5 représente, de façon similaire à la figure 1, une variante où au moins un des mobiles pivotants montés dans la structure est pivoté au moins à une de ses extrémités dans un bras ou porte-palier relié au cadre monobloc par des moyens de rappel élastique intégrés, et blocable en position ;
  • la figure 6 représente, en vue en pian, un tel ensemble monolithique comportant des moyens de réglage en position d'un bras ou porte-palier intégré à cette structure, ces moyens de réglage étant immobilisables en position par des moyens de blocage ; les moyens de réglage comportent un peigne immobilisant un index situé à l'extrémité d'une lame flexible, le peigne étant plaqué sur cet index par une lame-ressort de blocage elle-même immobilisée par un doigt de verrouillage ;
  • la figure 7 représente une section passant par l'axe d'un pivot particulier avec un palier anti-chocs monobloc avec le cadre monobloc;
  • la figure 8 est un schéma d'un mouvement d'horlogerie comportant une structure selon l'invention ;
  • la figure 9 est analogue à la figure 5 et représente en particulier un mécanisme d'échappement à balancier-spiral, dont le piton de maintien du spiral est solidaire du cadre monobloc propre à l'invention ;
  • la figure 10 est une vue en plan d'un cadre monobloc portant deux paliers montés sur antichoc également monobloc avec ce cadre ;
  • la figure 11 est une vue en coupe, dans le plan des alésages des deux logements de la figure 10, montrant une élaboration de ce cadre dans une structure de type silicium, comportant deux niveaux, « handle » et « device », avec une répartition différente des fonctions contre-pivot sur la couche « handle » et alésage sur la couche « device », et avec des éléments élastiques appartenant à l'une ou à l'autre de ces deux couches ;
  • la figure 12 est une variante simplifiée, présentée de façon similaire à la figure 11 ;
  • la figure 13 représente, de façon schématisée et en perspective, un cadre monobloc comportant également deux tels niveaux « handle » et « device », avec un demi-coussinet logé dans la couche « device » ;
  • la figure 14 représente, de façon similaire à la figure 6, une variante de l'invention pour maîtriser une variation d'entraxe entre deux alésages portés par un tel cadre monobloc ;
  • la figure 15 représente, de façon similaire à la figure 6, une variante de l'invention pour maîtriser la précontrainte d'une lame bistable portée par un tel cadre monobloc ;
  • la figure 16 représente, de façon analogue aux figures 9 et 5, un mécanisme d'échappement à balancier-spiral, dont le piton de maintien du spiral est solidaire du cadre monobloc propre à l'invention, et dont les pivots du balancier sont tenus par des antichoc suspendus monobloc avec un élément de la cassette formant platine d'une part, et un autre élément de la même cassette formant pont d'autre part.
Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the figure 1 represents, in perspective, a structure according to the invention comprising a non-deformable monobloc frame which comprises pairs of housings aligned pivots for receiving ends of shafts of pivoting mobile;
  • the Figures 2 and 3 illustrate in top view the cooperation of a cover with this frame, respectively in open and closed positions, to immobilize these ends of trees, the figure 4 illustrating an advantageous variant of the cover with flexible blades for catching play;
  • the figure 5 represents, similarly to the figure 1 , a variant wherein at least one of the pivoting mobile members mounted in the structure is pivoted at least at one of its ends in an arm or bearing-carrier connected to the one-piece frame by integral elastic return means, and lockable in position;
  • the figure 6 represents, in a plan view, such a monolithic assembly comprising adjustment means in position of an arm or bearing holder integrated in this structure, these adjustment means being immobilizable in position by locking means; the adjustment means comprise a comb immobilizing an index located at the end of a flexible blade, the comb being pressed on this index by a locking spring blade itself immobilized by a locking finger;
  • the figure 7 represents a section passing through the axis of a particular pivot with a one-piece shock-absorbing bearing with the one-piece frame;
  • the figure 8 is a diagram of a clockwork movement comprising a structure according to the invention;
  • the figure 9 is analogous to the figure 5 and represents in particular an escapement mechanism with a balance-spring, the stud holding the spiral is integral with the monobloc frame of the invention;
  • the figure 10 is a plan view of a one-piece frame bearing two bearings mounted on shockproof also monobloc with this frame;
  • the figure 11 is a sectional view, in the plane of the bores of the two dwellings of the figure 10 , showing an elaboration of this framework in a silicon type structure, comprising two levels, "handle" and "device", with a different distribution of counter-pivot functions on the "handle" layer and bore on the "device" layer, and with elastic elements belonging to one or the other of these two layers;
  • the figure 12 is a simplified variant, presented in a similar way to the figure 11 ;
  • the figure 13 represents, schematically and in perspective, a monoblock frame also comprising two such levels "handle" and "device", with a half-pad housed in the layer "device";
  • the figure 14 represents, similarly to the figure 6 , a variant of the invention for controlling a variation in the center distance between two bores carried by such a monobloc frame;
  • the figure 15 represents, similarly to the figure 6 , a variant of the invention for controlling the prestressing of a bistable blade carried by such a monobloc frame;
  • the figure 16 represents, in a similar way to figures 9 and 5 an escapement mechanism with a balance-spring, the stay of the hairspring is integral with the single-piece frame specific to the invention, and the pivots of the balance are held by shockproof suspended monobloc with a platinum element forming platinum on the one hand, and another element of the same cassette forming bridge on the other hand.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention concerne le domaine des mécanismes d'horlogerie, et plus particulièrement des mouvements intégrant des modules fonctionnels prêts à l'emploi.The invention relates to the field of watch mechanisms, and more particularly to movements incorporating ready-to-use functional modules.

L'invention concerne une structure 1 de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotant 10, comportant au moins un arbre 47 comportant des guidages en pivotement : Naturellement un tel mobile 10 peut aussi comporter uniquement des guidages d'extrémité, sans partie arbrée sur toute sa longueur, la présente description utilise toutefois la dénomination «arbre 47» par souci de simplification, pour désigner les guidages ou pivots que comporte le mobile pivotant 10.The invention relates to a watch mechanism structure 1 for receiving and guiding at least one pivoting mobile device 10, comprising at least one shaft 47 comprising pivoting guides: Naturally, such a mobile device 10 can also comprise only guides end, without any tree part along its entire length, the present description however uses the name "shaft 47" for the sake of simplicity, to designate the guides or pivots that includes the pivoting mobile 10.

Selon l'invention, cette structure 1 comporte au moins une structure monobloc indémontable 11, laquelle comporte au moins un cadre 17 monobloc indémontable lequel comporte des logements de pivotement 12 alignés deux à deux pour la réception de pivots d'un arbre 47 d'au moins un tel mobile pivotant 10.According to the invention, this structure 1 comprises at least one unmountable integral structure 11, which comprises at least one monoblock frame 17 releasable which comprises pivoting housing 12 aligned in pairs for the reception of pivots of a shaft 47 of at least one such pivoting mobile 10.

Chaque dit logement de pivotement 12 est un logement ouvert constitué par un demi-coussinet ou par un dièdre, et comporte à une extrémité une surface d'appui de butée 120 dans la direction d'alignement A.Each said pivoting housing 12 is an open housing constituted by a half-bearing or a dihedron, and has at one end an abutment bearing surface 120 in the alignment direction A.

La description est volontairement restreinte, dans un souci de concision, à ce cas particulier préféré de guidage en pivotement de mobiles pivotants. L'homme du métier comprendra l'intérêt de l'invention pour d'autres applications, en particulier pour immobiliser des composants non pivotants prisonniers dans une structure indéformable.The description is deliberately restricted, for the sake of brevity, to this particular preferred case of pivotal guidance of pivoting mobiles. Those skilled in the art will understand the interest of the invention for other applications, in particular for immobilizing non-pivoting components trapped in a dimensionally stable structure.

Dans une réalisation préférée, tel que visible sur les figures, cette structure monobloc indémontable 11 comporte au moins un cadre 17 monobloc indémontable, qui comporte, formant notamment un palier supérieur 44 et un palier inférieur 45, des logements de pivotement 12 alignés deux à deux pour la réception de pivots d'au moins un tel mobile pivotant 10.In a preferred embodiment, as can be seen in the figures, this unbreakable integral structure 11 comprises at least one unbreakable integral frame 17, which comprises, forming in particular an upper bearing 44 and a lower bearing 45, pivoting housings 12 aligned in pairs. for receiving pivots of at least one such pivoting mobile 10.

Dans la réalisation avantageuse des figures 2 à 4, la structure 1 comporte encore au moins un couvercle 18, qui est agencé pour coopérer avec cet au moins un cadre 17 pour, en position de fermeture de cet au moins un couvercle 18 sur cet au moins un cadre 17, enfermer à jeu minimal chaque tel arbre 47 de chaque tel mobile pivotant 10 que comporte la structure 1. Pour des raisons de commodité de montage, ou pour laisser des passages d'interface fonctionnel avec le reste du mouvement, par exemple pour laisser le passage à un rouage, ou similaire, il peut être nécessaire de juxtaposer plusieurs couvercles 18 pour une même structure monobloc indéformable 17, ou l'inverse, ou encore de joindre plusieurs structures 17 par plusieurs couvercles 18.In the advantageous realization of Figures 2 to 4 , the structure 1 further comprises at least one cover 18, which is arranged to cooperate with this at least one frame 17 for, in the closed position of this at least one cover 18 on this at least one frame 17, to enclose at a minimum clearance each such shaft 47 of each such pivoting mobile 10 that includes the structure 1. For reasons of convenience of assembly, or to leave functional interface passages with the rest of the movement, for example to let the passage to a cog, or the like it may be necessary to juxtapose several lids 18 for the same undeformable one-piece structure 17, or vice versa, or to join several structures 17 by several lids 18.

Dans une version particulière, au moins un tel couvercle 18 est réalisé de façon monobloc avec un tel cadre 17, auquel il est relié par une fixation flexible, et sur lequel il est rabattu après insertion du ou des mobiles pivotants 10, ou similaire.In a particular version, at least one such cover 18 is made integrally with such a frame 17, to which it is connected by a flexible attachment, and on which it is folded after insertion of the pivoting mobile or 10, or the like.

De façon avantageuse, le couvercle 18 est fixé de façon irréversible sur le cadre 17, par soudage, brasage, soudage laser, collage, rivetage, ou autre, pour constituer ensemble la structure 11 monobloc indémontable, après le montage prisonnier des mobiles pivotants 10 en position dans les logements de pivotement 12.Advantageously, the cover 18 is irreversibly fixed to the frame 17, by welding, soldering, laser welding, bonding, riveting, or otherwise, to constitute together the integral structure 11 unmountable, after the prisoner mounting pivoting mobile 10 in position in pivoting housing 12.

Dans une réalisation particulière, non illustrée, la structure 1 incorpore une platine ou/et au moins un pont, constituant le cadre 17 ou y étant rattaché(e) de façon indémontable. Le cadre 17 peut aussi être indépendant de la platine et du pont, et être fixé sur l'un ou l'autre des deux, ou sur les deux à la fois.In a particular embodiment, not illustrated, the structure 1 incorporates a plate and / or at least one bridge constituting the frame 17 or being attached thereto (e) indemountably. The frame 17 may also be independent of the plate and the bridge, and be fixed on one or the other of the two, or both at the same time.

De façon particulière, comme sur les figures 1 et 5, le cadre 17 est un cadre fermé, et notamment un cadre rectangulaire fermé.In a particular way, as on figures 1 and 5 , the frame 17 is a closed frame, and in particular a closed rectangular frame.

De façon avantageuse, la structure 1 comporte des moyens flexibles 18A de rattrapage de jeu, pour enfermer sans jeu chaque tel arbre 47 de chaque tel mobile pivotant 10 que comporte la cassette 1. La figure 4 illustre un exemple de réalisation du couvercle 18 avec des lèvres élastiques 18A effectuant ce rattrapage de jeu. Ces moyens flexibles de rattrapage de jeu peuvent équiper aussi bien le cadre 17 que le couvercle 18.Advantageously, the structure 1 comprises flexible means 18A play catching, to lock without play each such shaft 47 of each such pivoting mobile 10 that includes the cassette 1. The figure 4 illustrates an exemplary embodiment of the cover 18 with elastic lips 18A performing this play catching. These flexible play catching means can equip both the frame 17 and the cover 18.

Dans une réalisation visible sur les figures 1 à 4, au moins un logement de pivotement 12 est un dièdre 460.In a visible realization on the Figures 1 to 4 at least one pivoting housing 12 is a dihedron 460.

La figure 7 illustre un cas particulier où la structure 1 comporte au moins un logement de pivotement 12 qui comporte une portée de révolution 46 pour le maintien radial d'un tel arbre 47 de mobile pivotant 10, et la surface d'appui de butée 120 est une portée frontale 49 pour la limitation axiale de l'extrémité d'un tel arbre 47, cette portée de révolution 46 ou/et cette portée frontale 49 étant portée/s par au moins un amortisseur de choc élastique 48. Sur cette figure 7, la portée de révolution 46 et la portée frontale 49 sont portées ensemble par au moins un amortisseur de choc élastique 48.The figure 7 illustrates a particular case where the structure 1 comprises at least one pivoting housing 12 which has a revolution range 46 for the radial retention of such a shaft 47 of pivoting mobile 10, and the abutment bearing surface 120 is a range frontal 49 for the axial limitation of the end of such a shaft 47, this range of revolution 46 and / or this front span 49 being carried / s by at least one resilient shock absorber 48. On this figure 7 the revolution range 46 and the front span 49 are carried together by at least one elastic shock absorber 48.

Dans une variante non illustrée, la portée de révolution 46 ou la portée frontale 49 est portée par un amortisseur de choc qui lui est propre.In a variant not shown, the revolution range 46 or the front span 49 is carried by a shock absorber of its own.

Dans une variante non illustrée, la portée de révolution 46 et la portée frontale 49 sont portées séparément par un amortisseur de choc, lequel peut être commun avec deux surfaces d'appui, ou bien multiple, chaque portée étant portée par un amortisseur de choc qui lui est propre.In a variant not shown, the revolution range 46 and the front span 49 are carried separately by a shock absorber, which may be common with two bearing surfaces, or multiple, each scope being carried by a shock absorber which it's clean.

Dans une autre variante, la portée de révolution 46 et la portée frontale 49 sont portées ensemble par un amortisseur de choc élastique 48.In another variant, the revolution range 46 and the front span 49 are carried together by an elastic shock absorber 48.

Dans une variante particulière de réalisation, cet amortisseur de choc élastique 48 est monobloc avec la structure monobloc indémontable 11, et notamment avec le cadre 17.In a particular variant embodiment, this elastic shock absorber 48 is integral with the integral structure 11, and in particular with the frame 17.

Dans une autre variante particulière de réalisation, cette portée de révolution 46 ou/et cette portée frontale 49 est monobloc avec le cadre 17.In another particular embodiment, this range of revolution 46 or / and this front span 49 is integral with the frame 17.

Dans encore une autre variante particulière de réalisation, cet amortisseur de choc élastique 48, cette portée de révolution 46 ou/et cette portée frontale 49, sont, ensemble, monobloc avec la structure monobloc indémontable 11, et notamment avec le cadre 17.In yet another particular variant of embodiment, this elastic shock absorber 48, this range of revolution 46 and / or this front span 49, are, together, integral with the unbreakable integral structure 11, and in particular with the frame 17.

Dans une réalisation particulière, la structure monobloc indémontable 11 est réalisée en silicium, et les moyens de rappel élastique intrinsèques qu'elle comporte, si c'est le cas, sont précontraints dans un état oxydé du silicium.In a particular embodiment, the unbreakable integral structure 11 is made of silicon, and the intrinsic elastic return means it comprises, if it is the case, are prestressed in an oxidized state of silicon.

Dans une réalisation particulière, le cadre 17 est réalisé en silicium, et les moyens de rappel élastique intrinsèques qu'il comporte sont précontraints dans un état oxydé du silicium.In a particular embodiment, the frame 17 is made of silicon, and the intrinsic elastic return means it comprises are prestressed in an oxidized state of silicon.

Les pivots 44, 45, peuvent être constitués par des pivots classiques ou par des guidages flexibles.The pivots 44, 45 may be constituted by conventional pivots or by flexible guides.

La conception de structures 1 selon l'invention comportant des composants monobloc indémontables 17 permet, encore, d'optimiser les pivotements des différents mobiles, et, selon le besoin, d'en assurer le parallélisme, ou au contraire de déplacer au moins une extrémité d'un arbre de mobile pour modifier un réglage de façon micrométrique.The design of structures 1 according to the invention comprising unbreakable monobloc components 17 makes it possible, again, to optimize the pivoting of the different mobiles, and, as required, to ensure their parallelism, or conversely to move at least one end of a mobile shaft to modify a setting micrometrically.

L'action sur les logements de pivotement permet, notamment, de régler les entraxes entre mobiles pour régler la pénétration des dentures ou/et levées. Le réglage de l'entraxe peut être réalisé de façon monolithique avec la platine ou le pont. Ce principe de réglage des entraxes est valable pour tous les entraxes dans un mouvement.The action on the pivoting housing allows, in particular, to adjust the distance between mobile to adjust the penetration of the teeth and / or lifted. Adjustment of the center distance can be achieved monolithically with the deck or bridge. This principle of adjustment of the distances is valid for all the distances in a movement.

Dans la réalisation particulière des figures 5 et 6, au moins un dit logement de pivotement 12 est solidaire d'un bras ou porte-palier 13 relié au cadre 17 par des moyens de rappel élastique 14 et respectivement 83.In the particular achievement of Figures 5 and 6 at least one said pivoting housing 12 is integral with an arm or bearing carrier 13 connected to the frame 17 by elastic return means 14 and 83, respectively.

Dans un mode particulier de réalisation, les logements de pivotement 12 ont une position invariable par rapport à la au moins une structure monobloc indémontable 11.In a particular embodiment, the pivoting housings 12 have an invariable position with respect to the at least one unmountable integral structure 11.

Dans un autre mode de réalisation, au moins un logement de pivotement 12 est suspendu, notamment de façon à pouvoir absorber l'énergie d'un choc, et à revenir en position de service.In another embodiment, at least one pivoting housing 12 is suspended, in particular so as to be able to absorb the energy of a shock, and to return to the service position.

La figure 5 illustre ainsi des moyens de rappel élastique 14, de rigidité suffisante pour assurer, au repos, le positionnement précis du logement de pivotement 12, et conçus pour absorber des chocs éventuels et ramener ensuite l'axe dans sa position. Dans cette variante de la figure 5, au moins un mobile pivotant 10 est pivoté, au moins à une de ses extrémités, dans un pivot 45, constituant le logement 460, qui est logé dans un bras ou porte-palier 13. Ce bras ou porte-palier 13 est relié au cadre 17 par ces moyens de rappel élastique 14 intégrés, qui sont de préférence monobloc avec à la fois le cadre 17, et avec le bras ou porte-palier 13 respectif.The figure 5 thus illustrates elastic return means 14 of sufficient rigidity to ensure, at rest, the precise positioning of the pivoting housing 12, and designed to absorb any shocks and then return the axis in its position. In this variant of the figure 5 at least one pivoting member 10 is pivoted, at least at one end thereof, in a pivot 45, constituting the housing 460, which is housed in an arm or bearing carrier 13. This arm or bearing holder 13 is connected to the frame 17 by these integrated elastic return means 14, which are preferably integral with both the frame 17, and with the arm or bearer 13 respective.

La variante dans laquelle un tel composant est pivoté à ses deux extrémités dans de tels porte-paliers suspendus, est naturellement aussi réalisable.The variant in which such a component is pivoted at both ends thereof in such suspended bearing supports is naturally also feasible.

Les moyens de rappel élastique 14 permettent une plage de réglage, de façon préférée, ils sont associés à des moyens de blocage en position après réglage, dont la présente description donne un exemple dans le cas particulier de la figure 6. Avantageusement, ces moyens de blocage en position sont eux aussi réalisés de façon monobloc avec le cadre 17, et avec le bras ou porte-palier 13 respectif.The elastic return means 14 allow a setting range, preferably they are associated with means for locking in position after adjustment, the present description gives an example in the particular case of the figure 6 . Advantageously, these position locking means are also made integrally with the frame 17, and with the arm or bearer bearing 13 respectively.

Pour une application particulièrement intéressante à un mécanisme réglable et verrouillable, notamment de façon réversible, mais qui peut aussi être immobilisé (en particulier de façon irréversible) après un réglage initial, la structure 1 comporte, de préférence au niveau du cadre 17, un mécanisme réglable en position 80, tel que visible sur la figure 6.For a particularly advantageous application to an adjustable and lockable mechanism, particularly in a reversible manner, but which can also be immobilized (particularly irreversibly) after initial adjustment, the structure 1 preferably comprises, at the level of the frame 17, a mechanism adjustable in position 80, as visible on the figure 6 .

La figure 6 illustre ainsi un agencement particulier, où un bras ou porte-palier 13, est monté solidaire d'un composant réglable en position, et blocable en position une fois réglé. Dans cette variante, la structure monobloc indémontable 11 comporte un mécanisme de réglage en position 80 d'un composant réglable en position 82 comportant un bras ou porte-palier 13 relié au cadre 17 par des moyens de rappel élastique 83. Ce mécanisme 80 comporte une structure rigide 81, de préférence constituée par le cadre 17. Cette structure rigide 81 porte, par l'intermédiaire d'au moins une lame élastique 83, ce composant réglable en position 82, qui porte ici un bras ou porte-palier 13, et qui comporte lui-même des moyens d'indexage 84 agencés pour coopérer avec des moyens d'indexage complémentaire 91 que comporte un mécanisme d'indexage 90. Ces moyens d'indexage complémentaire 91 sont montés débrayables des moyens d'indexage 84. Ils sont encore blocables en position de coopération par un mécanisme bloqueur 94 fixé élastiquement à la structure 81. Ce mécanisme bloqueur 94 est fixé élastiquement à la structure 81 par au moins un élément flexible 96, et est lui-même soumis à l'action d'un mécanisme de verrouillage 98 qui l'autorise à occuper, ou bien une position débrayée dans laquelle le mécanisme d'indexage 90 est libre, ou bien une position embrayée dans laquelle le mécanisme bloqueur 94 entrave le mécanisme d'indexage 90.The figure 6 thus illustrates a particular arrangement, wherein an arm or bearing carrier 13, is mounted integral with a component adjustable in position, and lock in position once set. In this variant, the unbreakable integral structure 11 comprises a position adjustment mechanism 80 of an adjustable component in position 82 comprising an arm or bearing carrier 13 connected to the frame 17 by elastic return means 83. This mechanism 80 comprises a rigid structure 81, preferably constituted by the frame 17. This rigid structure 81 carries, via at least one elastic blade 83, this adjustable component in position 82, which here carries an arm or bearing holder 13, and which itself comprises indexing means 84 arranged to cooperate with complementary indexing means 91 that includes an indexing mechanism 90. These complementary indexing means 91 are detachably mounted indexing means 84. They are still lockable in the position of cooperation by a locking mechanism 94 fixed elastically to the structure 81. This locking mechanism 94 is elastically fixed to the structure 81 by at least one flexible element 96, and is itself subjected to the action of a mechanism of locking 98 which allows it to occupy, or a disengaged position in which the indexing mechanism 90 is free, or an engaged position in which the locking mechanism 94 obstructs the indexing mechanism 90.

Ce mécanisme de verrouillage comporte au moins un élément flexible 98 faisant sautoir et fixé élastiquement à la structure 81, cet au moins un élément flexible 98 comporte ici un bec 99 qui coopère avec un bec 97 du bloqueur 94 pour maintenir le bloqueur écarté pendant le réglage en position, ou avec une surface d'arrêt complémentaire 95 du bloqueur 94 en sécurité du bloqueur quand le réglage en position est effectué.This locking mechanism comprises at least one flexible element 98 forming a jumper and resiliently fastened to the structure 81, this at least one flexible element 98 here comprises a spout 99 which cooperates with a spout 97 of the blocker 94 to hold the blocker aside during adjustment in position, or with a complementary stop surface 95 of the blocker 94 in the safety of the blocker when the adjustment in position is performed.

La figure 6 illustre un tel mécanisme avec un peigne 91 immobilisant un index 84 situé à l'extrémité d'une lame flexible 83, le peigne 91 étant plaqué sur cet index 84 par une lame-ressort de blocage 96 appartenant au bloqueur 94, elle-même immobilisée par un doigt de verrouillage 99 monté sur au moins une lame flexible 98, ce doigt 99 coopérant avec une surface d'arrêt 97 de la lame 96..The figure 6 illustrates such a mechanism with a comb 91 immobilizing an index 84 located at the end of a flexible blade 83, the comb 91 being pressed on this index 84 by a locking spring blade 96 belonging to the blocker 94, itself immobilized by a locking pin 99 mounted on at least one flexible blade 98, this finger 99 cooperating with a stop surface 97 of the blade 96.

Comme on l'a vu plus haut, ce mécanisme combiné de réglage, blocage et verrouillage, illustré ici pour une application particulière de réglage d'une position de palier, par exemple pour effectuer une correction micrométrique sur la marche d'un mécanisme régulateur, est applicable à une grande diversité d'applications : positionnement d'un palier, d'une butée, ou autre.As has been seen above, this combined mechanism of adjustment, locking and locking, illustrated here for a particular application of adjustment of a bearing position, for example to perform a micrometric correction on the operation of a regulating mechanism, is applicable to a wide variety of applications: positioning a bearing, a stop, or other.

Dans une réalisation avantageuse, la structure 1, ou/et le cadre 17, est réalisée en silicium. Les logements de pivotements des logements 460 sont définis, par exemple, par des gravures anisotropiques (KOH) dans un substrat silicium. Une version avec un assemblage des pierres ou des antichoc est également possible. Le gros avantage est le positionnement très précis des logements de pivotement (entraxe, verticalité). On note que la pose du couvercle 18 ne perturbe pas le positionnement des différents arbres.In an advantageous embodiment, the structure 1, or / and the frame 17, is made of silicon. The housing of pivoting housing 460 are defined, for example, by anisotropic etchings (KOH) in a silicon substrate. A version with an assembly of stones or shockproof is also possible. The big advantage is the very precise positioning of the pivoting housing (center distance, verticality). It is noted that the installation of the cover 18 does not disturb the positioning of the various shafts.

Pour une application particulière à un mécanisme d'échappement, selon sa configuration, la structure 1 incorpore tout ou partie des paliers de guidage des arbres des mobiles :

  • les deux logements de pivotement de l'ancre et l'ensemble des paliers inférieurs des autres mobiles ;
  • les deux logements de pivotement du balancier, et de l'ancre, et l'ensemble des paliers inférieurs des autres mobiles ;
  • les deux logements de pivotement du balancier et l'ensemble des paliers inférieurs des autres mobiles.
For a particular application to an escape mechanism, according to its configuration, the structure 1 incorporates all or part of the guide bearings of the shafts of the mobiles:
  • the two pivoting housing of the anchor and the set of lower bearings of the other mobiles;
  • the two pivoting pivot housing, and the anchor, and all the lower bearings of the other mobiles;
  • the two pivoting pivoting housing and all the lower bearings of the other mobiles.

Les figures 9 à 15 illustrent des variantes particulières, non limitatives, d'application de l'invention. On comprend que, si une application préférentielle consiste à positionner des éléments pivotants, on peut aussi envisager de fixer des éléments non pivotants, tel un piton, ou une lame-ressort, ou autre.The Figures 9 to 15 illustrate particular, non-limiting variants of application of the invention. It is understood that, if a preferential application consists in positioning pivoting elements, it is also possible to envisage fixing non-pivoting elements, such as a peg, or a leaf-spring, or other.

La figure 9 montre ainsi un mécanisme d'échappement à balancier-spiral, dont le piton 19 de maintien du spiral 190 est solidaire du cadre monobloc 17 propre à l'invention.The figure 9 thus shows an escapement mechanism with a balance-spring, the pin 19 for holding the spiral 190 is integral with the one-piece frame 17 specific to the invention.

Dans un mode de réalisation particulier de l'invention, le cadre 17 forme un composant monobloc indémontable avec au moins un palier antichoc pour la réception d'un pivot d'un composant du mécanisme incorporé dans la structure 1, notamment un mécanisme d'échappement.In a particular embodiment of the invention, the frame 17 forms a single-piece component that can not be dismantled with at least one shockproof bearing for receiving a pivot of a component of the mechanism incorporated in the structure 1, in particular an escapement mechanism. .

Pour les points de pivotements et les antichoc, l'invention permet de réaliser deux antichoc dans une seule pièce pour former par exemple un pont (ou une cassette). Outre une cassette complète, l'invention couvre également un pont monolithique. Les avantages sont un positionnement très précis, et l'absence d'assemblage.For pivot points and shockproof, the invention allows two shockproof in one piece to form for example a bridge (or cassette). In addition to a complete cassette, the invention also covers a monolithic bridge. The advantages are a very precise positioning, and the absence of assembly.

Les antichoc peuvent ainsi être partiellement ou totalement réalisés dans le cadre 17, notamment dans une exécution silicium ou similaire: le ressort 14 de l'antichoc peut être réalisé en commun avec le cadre 17. Une des deux (ou les deux) pierres 13 peut être réalisée en commun avec la platine. Le pivotement se fait alors directement dans le silicium. Les logements de pivotements 12 peuvent être réalisés directement dans le silicium avec des revêtements de surface du type DLC ou autre. Il n'y a donc plus de pierre, et les points de rotation sont positionnés très précisément.The shockproof may thus be partially or completely made in the frame 17, in particular in a silicon embodiment or the like: the spring 14 of the shockproof can be made in common with the frame 17. One of the two (or both) stones 13 can be carried out in common with the plate. Pivoting is then done directly in the silicon. The pivoting housings 12 can be made directly in the silicon with surface coatings of the DLC or other type. So there is no more stone, and the rotation points are positioned very precisely.

Les figures 10 à 12 illustrent un tel cadre monobloc 17 portant deux paliers 13 montés sur antichoc également monobloc avec ce cadre 17.The Figures 10 to 12 illustrate such a one-piece frame 17 bearing two bearings 13 mounted on shockproof also monobloc with this frame 17.

La figure 16 illustre une cassette réalisée en silicium ou similaire, avec plusieurs niveaux. Elle porte un oscillateur qui comporte une roue d'échappement 901, dont l'axe est ajusté en position par les systèmes 902a et 902b, une ancre à guidage flexible 903, et un ensemble balancier-spiral, dont le piton 908 de maintien du spiral 905 est maintenu à un pont 907a, avec lequel ce piton 908 est de préférence monobloc ; les pivots du balancier 904 sont tenus par des antichoc suspendus, qui sont chacun monobloc avec un élément de la cassette formant platine 907b d'une part, et un autre élément de la même cassette formant pont 907a d'autre part.The figure 16 illustrates a cassette made of silicon or the like, with several levels. It carries an oscillator which comprises an escape wheel 901, the axis of which is adjusted in position by the systems 902a and 902b, a flexible guide anchor 903, and a sprung-balance assembly, the retaining pin 908 of which the hairspring 905 is held at a bridge 907a, with which this peg 908 is preferably monoblock; the pivots of the balance 904 are held by suspended shockproof, which are each one-piece with an element of the platen cassette 907b on the one hand, and another element of the same bridge cassette 907a on the other hand.

La figure 11 montre une élaboration de ce cadre 17 dans une structure de type silicium, comportant deux niveaux, un premier niveau 17H dit« handle » et un deuxième niveau 17D dit « device », non détaillés ici car bien connus des spécialistes des micro-matériaux, avec une répartition différente des fonctions contre-pivot 131 sur la couche « handle » et alésage 130 sur la couche « device », et avec des éléments élastiques 14 appartenant à l'une ou à l'autre de ces deux couches. La figure 12 illustre une variante simplifiée, et similaire.The figure 11 shows an elaboration of this frame 17 in a silicon-type structure, comprising two levels, a first level 17H called "handle" and a second level called 17D "device", not detailed here because well known micromaterials specialists, with a different distribution of counter-pivot functions 131 on the layer "handle" and bore 130 on the "device" layer, and with elastic elements 14 belonging to one or the other of these two layers. The figure 12 illustrates a simplified variant, and the like.

L'invention permet, encore, de réaliser une structure similaire à un antichoc avec des ressorts, et un canon qui fait office de butée; une telle structure est avantageusement en deux niveaux. La figure 13 représente ainsi un cadre monobloc 17, similaire à la structure de la figure 1, et comportant également deux tels niveaux 17H « handle » et 17D « device » avec un demi-coussinet en dièdre 460 logé dans la couche 17D « device ». Ce premier niveau 17D « device » présente une ouverture 15 en partie supérieur, délimitée par la surface affleurante du deuxième niveau 17H « handle ». Le cadre 17 comporte une surface d'appui 21, agencée pour coopérer avec une face d'appui complémentaire 210 d'un composant antagoniste, ou d'un couvercle 18, tel que visible aussi sur les figures 1 à 4. Dans une réalisation particulière, ce composant antagoniste est symétrique, voire identique, au cadre 17 tel qu'illustré.The invention makes it possible, again, to produce a structure similar to a shockproof with springs, and a barrel which serves as a stop; such a structure is advantageously in two levels. The figure 13 represents a monobloc frame 17, similar to the structure of the figure 1 , and also comprising two such levels 17H "handle" and 17D "device" with a dihedral half-pad 460 housed in the layer 17D "device". This first level 17D "device" has an opening 15 in the upper part, delimited by the flush surface of the second level 17H "handle". The frame 17 comprises a bearing surface 21, arranged to cooperate with a complementary bearing face 210 of an antagonistic component, or a cover 18, as can also be seen on the Figures 1 to 4 . In a particular embodiment, this antagonist component is symmetrical, or even identical, to the frame 17 as illustrated.

Dans la logique de réalisation de la figure 6, comportant des moyens de réglage immobilisables par des moyens de blocage, la figure 14 représente une variante agencée pour maîtriser une variation d'entraxe E entre deux alésages 51 et 52 portés par un tel cadre monobloc 17.In the logic of realization of the figure 6 , comprising adjustment means immobilizable by locking means, the figure 14 represents a variant arranged to control an interaxial variation E between two bores 51 and 52 carried by such a monobloc frame 17.

De façon similaire, la figure 15 illustre une autre variante maîtriser la précontrainte d'une lame bistable 53 portée par un tel cadre monobloc 17 en ses points d'extrémité 54 et 55. L'extrémité 54 est portée par un bras 13A relié au cadre 17 par des moyens de rappel élastique 83, et porteur des moyens d'indexage 84.Similarly, the figure 15 illustrates another variant control preload of a bistable blade 53 carried by such a monobloc frame 17 at its end points 54 and 55. The end 54 is carried by an arm 13A connected to the frame 17 by elastic return means 83, and carrying the indexing means 84.

Une autre variante encore concerne un pivotement pour un balancier-spiral, où l'antichoc inclut complètement, ou juste avec une pierre 13 à trou sur ressort 14, la pierre contre-pivot étant rapportée par la suite, et une ancre coopérant avec le balancier et étant à guidage flexible dans un même pont. Cette variante est également réalisable en exécution deux niveaux « handle » et « device ».Yet another variant relates to a pivoting for a sprung balance, where the shockproof includes completely, or just with a stone 13 with spring hole 14, the counter-pivot stone being reported thereafter, and an anchor cooperating with the balance and being flexible guide in the same bridge. This variant is also feasible in two levels "handle" and "device".

Dans une réalisation particulière, la structure 1 comporte des éléments sécables, destinés à faciliter son assemblage dans un ensemble supérieur, il suffit de briser ensuite ces éléments sécables pour donner un ou plusieurs degrés de liberté à certains de ses constituants.In a particular embodiment, the structure 1 comprises breakable elements, intended to facilitate assembly in an upper assembly, it is sufficient to then break these breakable elements to give one or more degrees of freedom to some of its constituents.

Dans une réalisation avantageuse de la cassette 1 selon l'invention, la structure 1 est réalisée en matériau micro-usinable, ou en silicium, ou en silicium oxydé, et les moyens de rappel élastique intrinsèques éventuels qu'elle comporte sont précontraints dans un état oxydé du silicium. D'autres matériaux selon les technologies MEMS ou « LIGA » peuvent être mis en oeuvre. Le quartz, le DLC, des matériaux au moins partiellement amorphes, des verres métalliques, peuvent, et non limitativement, être utilisés pour ces applications.In an advantageous embodiment of the cassette 1 according to the invention, the structure 1 is made of micro-machinable material, or silicon, or oxidized silicon, and any intrinsic elastic return means it comprises are prestressed in a state oxidized silicon. Other materials according to MEMS or "LIGA" technologies can be implemented. Quartz, DLC, at least partially amorphous materials, metallic glasses, can, and not exclusively, be used for these applications.

Une structuration particulière de la structure 1 peut permettre de compenser les effets de la dilatation de ces éléments de structure, ou des composants du mécanisme assemblé en combinaison avec elle. Il est par exemple possible de réaliser la platine en silicium, puis de l'oxyder, afin de travailler en cohérence.A particular structure of the structure 1 can compensate for the effects of the expansion of these structural elements, or components of the assembled mechanism in combination with it. It is for example possible to make the silicon board, then to oxidize it, in order to work coherently.

L'invention concerne encore un mouvement d'horlogerie 100 mécanique comportant au moins une telle structure 1.The invention also relates to a mechanical clockwork movement 100 comprising at least one such structure 1.

L'invention concerne encore un procédé de réalisation d'une telle structure 1 de mécanisme d'horlogerie pour la réception et le guidage d'au moins un mobile pivotant 10. Selon l'invention, on équipe la structure monobloc indémontable 11 de moyens de rappel élastique intrinsèques monobloc avec elle, ou bien pour maintenir sans jeu au moins un arbre 47 d'un au moins un mobile pivotant 10, ou/et pour constituer au moins un amortisseur de choc élastique 48, ou/et pour autoriser un réglage de position d'un bras ou porte-palier 13. Et on réalise la structure monobloc indémontable 11 en silicium, et on précontraint lesdits moyens de rappel élastique intrinsèques qu'elle comporte dans un état oxydé dudit silicium.The invention also relates to a method for producing such a watch mechanism structure 1 for receiving and guiding at least one pivoting mobile 10. According to the invention, the unmountable monoblock structure 11 is intrinsic resilient return monoblock with it, or to maintain without play at least one shaft 47 of at least one pivoting mobile 10, and / or to constitute at least one elastic shock absorber 48, and / or to allow a setting of position of an arm or bearing holder 13. And the one-piece structure 11 is made of silicon, and said intrinsic elastic return means is prestressed in an oxidized state of said silicon.

Dans une variante, on réalise les logements de pivotements 12 directement dans le silicium avec des revêtements de surface de type DLC.In a variant, the pivoting housings 12 are made directly in the silicon with DLC-type surface coatings.

Dans une variante, on réalise la structure monobloc indémontable 11 avec au moins un cadre 17 monobloc indémontable comportant des logements de pivotement 12 alignés deux à deux pour la réception de pivots d'au moins un dit mobile pivotant 10, et on réalise ces logements de pivotement 12 par des gravures anisotropiques dans un substrat silicium.In a variant, the unmountable integral structure 11 is made with at least one unmountable monoblock frame 17 comprising pivoting housings 12 aligned in pairs for the reception of pivots of at least one said pivoting mobile 10, and these pivoting housings 12 are made by anisotropic etchings in a silicon substrate.

Dans une variante, on constitue la structure 11 monobloc indémontable avec le cadre 17 et un couvercle 18 emprisonnant ensemble les mobiles pivotants 10 en position dans les logements de pivotement 12, et on fixe ensemble de façon irréversible le cadre 17 et le couvercle 18 par soudage ou brasage ou collage ou rivetage ou par soudage laser pour former un ensemble monobloc indémontable.In a variant, the unbreakable integral structure 11 is formed with the frame 17 and a cover 18 trapping the pivoting members 10 together in position in the pivoting housings 12, and the frame 17 and the cover 18 are irreversibly fixed together by welding. or brazing or bonding or riveting or laser welding to form a unit integral unmountable.

La haute précision apportée par l'invention permet de réaliser un amincissement des composants, et donc du mouvement. L'invention est donc particulièrement utile pour la réalisation de mouvements extra-plats.The high precision provided by the invention makes it possible to thin the components, and therefore the movement. The invention is therefore particularly useful for performing ultra-thin movements.

Claims (23)

  1. Timepiece mechanism structure (1) for receiving and guiding at least one pivoting wheel set (10), said structure (1) including at least one inseparable single-piece structure (11), which includes at least one inseparable single-piece frame (17) which includes pivot housings (12) aligned in pairs in a direction of alignment (A) for receiving the pivots of an arbor (47) of at least one said pivoting wheel set (10), wherein each said pivot housing (12) is an open housing formed by a semi-bearing or by a dihedral, and includes at one end a stop bearing surface (120) in said direction of alignment (A) arranged to form a frontal shoulder (49) for axially limiting the axial end (470) of said arbor (47), characterized in that at least one said inseparable single-piece structure (11) includes an inseparable single-piece frame (17) and a position adjustment mechanism (80) for a position adjustable component (82) including an arm or bearing carrier (13) integral with said structure (1) and connected to said frame (17) by elastic return means (83), said mechanism (80) including a rigid structure (81) carrying, via at least one resilient strip (83), said position adjustable component (82) which further includes an indexing means (84) arranged to cooperate with a complementary indexing means (91) comprised in an adjustment mechanism (90), said complementary indexing means (91) being detachably mounted to the indexing means (84) and being lockable in a cooperating position by a clamping mechanism (94) resiliently secured to said structure (81), said clamping mechanism (94) being in turn subject to the action of a locking mechanism (98) which allows said clamping mechanism to occupy either a detached position wherein said adjustment mechanism (90) is free, or an engaged position wherein said clamping mechanism (94) hinders said adjustment mechanism (90), said locking mechanism (98) also being resiliently secured to said structure (81).
  2. Structure according to claim 1, characterized in that said structure (1) also includes at least one cover (18) arranged to cooperate with said at least one frame (17) in order, in the closure position of said at least one cover (18) on said at least one frame (17), to confine with minimum play each said arbor (47) of each said pivoting wheel set (10) comprised in said structure (1), and characterized in that said structure includes, on said at least one frame (17) and/or said at least one cover (18), a flexible play take-up means (18A) for confining each said arbor (47) without play.
  3. Structure (1) according to claim 2, characterized in that said inseparable single-piece structure (11) is formed by said frame (17) and said cover (18) together confining said pivoting wheel sets (10) in position in said pivot housings (12), said frame (17) and said cover (18) forming an inseparable single-piece assembly.
  4. Structure (1) according to one of the preceding claims, characterized in that said frame (17) is a closed frame.
  5. Structure (1) according to one of the preceding claims, characterized in that at least one said pivot housing (12) is a dihedral (460).
  6. Structure (1) according to one of the preceding claims, characterized in that at least one said pivot housing (12) includes a shoulder of revolution (46) for radially holding one said arbor (47), and in that said stop bearing surface (120) is a frontal shoulder (49) for axially limiting the axial end (470) of said arbor (47), said shoulder of revolution (46) and/or said frontal shoulder (49) being carried by at least one resilient shock absorber (48).
  7. Structure (1) according to the preceding claim, characterized in that said shoulder of revolution (46) and said frontal shoulder (49) are carried together by the same at least one resilient shock absorber (48).
  8. Structure (1) according to claim 6 or 7, characterized in that at least one said resilient shock absorber (48) is in a single piece with said inseparable single-piece structure (11).
  9. Structure (1) according to claim 6 or 7, characterized in that said shoulder of revolution (46) and/or said frontal shoulder (49) is in a single-piece with said inseparable single-piece structure (11).
  10. Structure (1) according to one of the preceding claims, characterized in that at least one said pivot housing (12) is integral with an arm or bearing carrier (13) connected to said frame (17) by elastic return means (14).
  11. Structure (1) according to one of the preceding claims, characterized in that said pivot housings (12) have a constant position relative to said at least one inseparable single-piece structure (11).
  12. Structure (1) according to one of the preceding claims, characterized in that said position adjustable component (82) carries said arm or bearing carrier (13) inserted between one said resilient strip (83) and said indexing means (84).
  13. Structure (1) according to one of the preceding claims, characterized in that said clamping mechanism (94) is resiliently secured to said structure (81) by at least one flexible element (96).
  14. Structure (1) according to one of the preceding claims, characterized in that said locking mechanism (98) includes at least one flexible element forming a jumper and resiliently secured to said structure (81).
  15. Structure (1) according to the preceding claim, characterized in that said flexible element of said locking mechanism (98) includes a first beak (99) which cooperates with a second beak (97) of said clamping mechanism (94) to hold the clamp away during the position adjustment, or that cooperates with a complementary stop surface (95) of said clamping mechanism (94) as security for the clamp when the position adjustment is carried out.
  16. Structure (1) according to claims 13 and 15, characterized in that said complementary indexing means (91) include a comb immobilising an index, that said indexing means (84) include, said index being located at the end of a said resilient strip (83), and said comb being pressed onto said index by a strip spring clamp that said flexible element (96) comprises, said strip spring is immobilised by a locking finger forming said first beak (99) mounted on a flexible strip forming said flexible element of said locking mechanism (98), said locking finger cooperating with a stop surface of said strip spring clamp, said stop surface forming said second beak (97).
  17. Structure (1) according to one of the preceding claims, characterized in that said inseparable single-piece structure (11) is made of silicon.
  18. Mechanical timepiece movement (100) including at least one structure (1) according to one of the preceding claims.
  19. Timepiece movement (100) according to the preceding claim, characterized in that it includes a said structure (1) in order to perform a micrometric correction to the working of a regulator mechanism.
  20. Method of forming a timepiece mechanism structure (1) for receiving and guiding at least one pivoting wheel set (10) according to one of the preceding claims, characterized in that said inseparable single-piece structure (11) is fitted with integrated elastic return means in a single-piece therewith, either for holding without play at least one said arbor (47) of at least one said pivoting wheel set (10), and/or for forming at least one resilient shock absorber (48), and/or for allowing adjustment of the position of an arm or bearing carrier (13), and in that said inseparable single-piece structure (11) is made of silicon, and in that said integrated elastic return means comprised therein is prestressed in an oxidised silicon state.
  21. Method according to the preceding claim, characterized in that said pivot housings (12) are made directly in the silicon with DLC surface coatings.
  22. Method according to claim 20 or 21, characterized in that said inseparable single-piece structure (11) is made with at least one inseparable single-piece frame (17) including pivot housings (12) aligned in pairs for receiving the pivots of at least one said pivoting wheel set (10), and in that said pivot housings (12) are made by anisotropic etches in a silicon substrate.
  23. Method according to the preceding claim, characterized in that inseparable single-piece structure (11) is formed with said frame (17) and a cover (18) together confining said pivoting wheel sets (10) in position in said pivot housings (12), and said frame (17) and said cover (18) are irreversibly secured to each other by welding or soldering or bonding or rivets or by laser welding to form an inseparable single-piece assembly.
EP14158656.0A 2013-03-19 2014-03-10 Structure for a timepiece mechanism Active EP2790070B1 (en)

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EP13160027.2A EP2781971B1 (en) 2013-03-19 2013-03-19 Structure of a clockwork mechanism
EP14158656.0A EP2790070B1 (en) 2013-03-19 2014-03-10 Structure for a timepiece mechanism

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EP2790070A3 EP2790070A3 (en) 2016-06-22
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JP (1) JP5798652B2 (en)
KR (1) KR101545443B1 (en)
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EP2790070A3 (en) 2016-06-22
TWI610154B (en) 2018-01-01
JP2014182145A (en) 2014-09-29
US20140286139A1 (en) 2014-09-25
CH707813A2 (en) 2014-09-30
CN104062888A (en) 2014-09-24
CN104062888B (en) 2017-03-01
KR20140114782A (en) 2014-09-29
EP2781971A1 (en) 2014-09-24
EP2790070A2 (en) 2014-10-15
US9235191B2 (en) 2016-01-12
JP5798652B2 (en) 2015-10-21
TW201500868A (en) 2015-01-01
HK1202654A1 (en) 2015-10-02
EP2781971B1 (en) 2017-11-08
KR101545443B1 (en) 2015-08-18

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