WO2012010410A1 - Balancier a reglage d'inertie avec insert - Google Patents
Balancier a reglage d'inertie avec insert Download PDFInfo
- Publication number
- WO2012010410A1 WO2012010410A1 PCT/EP2011/061294 EP2011061294W WO2012010410A1 WO 2012010410 A1 WO2012010410 A1 WO 2012010410A1 EP 2011061294 W EP2011061294 W EP 2011061294W WO 2012010410 A1 WO2012010410 A1 WO 2012010410A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insert
- balance
- holding means
- housing
- elastic holding
- Prior art date
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/063—Balance construction
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B18/00—Mechanisms for setting frequency
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
- G04B17/222—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with balances
-
- 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
- G04B18/00—Mechanisms for setting frequency
- G04B18/006—Mechanisms for setting frequency by adjusting the devices fixed on the balance
-
- 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
- Y10T29/49826—Assembling or joining
Definitions
- the invention relates to a method for producing a rocker equipped with a timepiece, with inertia adjustment for adjusting its inertia and / or its balancing and / or its oscillation frequency, comprising on the one hand a rocker comprising itself a hub arranged to cooperate with a pendulum axis perpendicular to a balance plane, and a continuous or discontinuous peripheral serge connected to said hub by at least one junction surface, said equilibrium equipped with the other hand at least an insert, said balance comprising, at the periphery of said serge, at least one housing for receiving said at least one insert, said insert comprising complementary guide means complementary profile guide means that includes said housing.
- the invention also relates to a balance for a timepiece, with inertia adjustment to adjust its inertia and / or its balance or / and its frequency of oscillation, designing such a balance equipped, and having a hub arranged to cooperate with a pendulum axis perpendicular to a balance plane, and a continuous or discontinuous peripheral serge, connected to said hub by at least one joining surface, said balance having at least, at the periphery of said serge, at least one housing for receiving at least one insert, said insert of the type comprising complementary guide means complementary profile guide means that includes said housing.
- the invention also relates to a rocker arm equipped with a timepiece, with inertia adjustment for adjusting its inertia and / or its balancing and / or its oscillation frequency, assembled according to this method, and comprising a balance wheel comprising itself a hub arranged to cooperate with a balance shaft perpendicular to a balance plane, and a continuous or discontinuous peripheral serge, connected to said hub by at least one junction surface, said balance having, at the periphery of said serge, at least one housing for the reception of at least one insert that includes said equipped balance, said insert of the type comprising complementary guide means complementary profile guide means that includes said housing.
- the invention further relates to a sprung balance incorporating such a balance.
- the invention also relates to a timepiece incorporating such a sprung balance or such a balance.
- the invention relates to the field of regulating organs for timepieces, and particularly the balance or the balance spring.
- the accuracy of the calibres depends on the quality of their regulating organ, and the obtaining of very high oscillation frequencies, for example of 10 Hz, to be compared to the usual frequencies of 2.5 to 4 Hz, can only be obtained with the design of suitable regulating members, particularly with regard to the pendulum.
- the energy to be provided, in the form of elastic torque of the spiral, for the maintenance of the oscillation is proportional to the product, on the one hand of the inertia of the balance around its axis of rotation, by the square frequency on the other hand.
- the passage of a frequency from 4 Hz to 10 Hz results in about the division by 6 of the inertia.
- a pendulum inertia of 12 mg.cm 2 is considered good, such a balance typically having a diameter of 9 to 10 mm.
- a balance for use at 10 Hz must have a low value inertia, especially less than 2 mg.cm 2 .
- a rocker for use at 10 Hz must still, for optimal operation, be of minimum mass, especially less than 30 mg, so as to reduce friction in the bearings, so as to avoid disturbances of isochronism in the different positions of use.
- a titanium pendulum according to patent EP 1 562 087 in the name of MONTRES BREGUET SA designed with a serge and titanium arms and reduced sections, remains of mass and inertia which are greater than that. which is desired for optimal operation.
- micro-machinable materials such as silicon, quartz, which are in principle made in finite dimensions, with very precise tolerances, as part of their production process, are not easily machinable a posteriori.
- the document CH 343 904 A in the name of ROLEX WATCHES describes a balance serge comprising means of elastic retention, in the form of a slot, immobilizing an insert constituted by a feeder pin.
- WO 2008/080570 A2 in the name of COMPLITIME SA discloses weights provided with slots for a frictional attachment.
- the document EP 1 351 103 A1 in the name of CHOPARD MANUFACTURE SA describes U-shaped elastic weights introduced in housings of the serge by elastic deformation.
- CH 345 600 A in the name of ROLEX WATCHES describes a split sleeve for maintaining and elastic tightening of a feeder.
- Document CH 261 431 A in the name of PATEK PHILIPPE presents masses adjustment centered on tenons and immobilized by their own elasticity.
- the document CH 89 273 A in the name of PAUL DITISHEIM discloses non-prominent filling masses maintained by their own elasticity on the walls of a threaded cavity or not.
- the document CH 280 067 A in the name of PATEK PHILIPPE represents adjusting masses mounted elastically on tenon, with a center of gravity eccentric with respect thereto.
- the inventive step consisted in creating the conditions of a balance structure, including the hub, the serge, and the connections between these two components, as light as possible, moving as far as possible from the hub of the masses of density if possible higher than that of this structure, and to incorporate in this structure adjustment means for making adjustments and adjustments by avoiding rework machining.
- the invention relates to a balance for a timepiece, with inertia adjustment to adjust its inertia and / or its balance or / and its oscillation frequency, comprising a hub arranged to cooperate with a pivoting shaft around a pendulum axis perpendicular to a balance plane, and a continuous or discontinuous peripheral serge, connected to said hub by at least one joining surface, said balance having, at the periphery of said serge, at least one housing for the reception of at least one insert, said insert of the type comprising additional profile guiding means complementary to guide means that comprises said housing, and said housing comprises elastic holding means for holding said insert in said housing after insertion into said housing; the latter, said elastic means comprising at least two elastic lips, extending on either side of said insert so as to exert on said serves efforts or couples in opposite directions.
- said elastic holding means are made in said serge of said balance and arranged to maintain said insert in said housing in a radial direction relative to said balance shaft for
- said elastic holding means are made in said serge of said balance and arranged to maintain said insert in said housing in a radial direction relative to said balance shaft said elastic holding means still constituting means active thrust constituting a bearing surface tending to push said insert in contact with at least one fixed or resilient stop which is equipped said housing.
- said elastic holding means are made in said serge of said balance and arranged to maintain said insert in said housing in a direction tangential to said serge.
- said elastic holding means are made in said serge of said balance and arranged to maintain said insert in said housing both in a radial direction relative to said balance shaft and in a tangential direction by report to said serge
- said elastic holding means comprise first elastic holding means and second elastic holding means, said first elastic holding means, respectively said second elastic holding means, acting as a retaining pawl when said second elastic holding means, respectively said first elastic holding means, cause said insert to pivot.
- said serge is made integrally with said junction surface and said hub in a micro-machinable material, or silicon, or quartz or one of their compounds, or an alloy derived from MEMS technology. , or an alloy as obtained by the "LIGA" process.
- the invention also relates to a balance equipped with timepiece, with inertia adjustment to adjust its inertia and / or its balance and / or its frequency oscillation device
- a rocker arm having at least one housing with guide means, and on the other hand at least one insert comprising complementary profile guide means complementary to said guide means, said rocker arm and / or said insert comprising elastic holding means arranged to allow, in a first insertion position where said elastic holding means are under stress, insertion of said insert into said housing, and to prohibit, in a second holding position where said elastic holding means are released, the extraction of said insert out of said housing, said insert being insertable in said housing by stress of said elastic holding means in said first insertion position, said elastic holding means being releasable in said second position maintaining after complete insertion of each said insert in its said housing for the maintenance in said housing in said housing, said rocker is made according to one of the preceding claims and comprises said elastic means comprising at least two elastic lips, extending on either side of said insert so
- said insert comprises elastic holding means arranged to allow, in a first insertion position where said elastic holding means are under stress, the insertion of said insert into said housing, and to prohibit, in a second holding position where said elastic holding means are released, extracting said insert out of said housing.
- said insert is rigid.
- said insert is enclosed and enclosed between at least two flanges arranged to bear on either side of said serge and to be assembled to one another by means of assembly permanent so that the subset made by assembling said two flanges has at most a degree of freedom in pivoting or translation relative to said serge.
- said insert is arranged to have, after insertion into said balance, at least one visible surface made of a material capable of being micro-machined or to undergo a removal of material by a laser.
- said guide means and said complementary guide means are arranged to allow, in said second holding position, mobility by translation or / and by pivoting said insert in said housing.
- said elastic holding means are arranged to maintain said insert in said housing in an angular position of pivot relative to a pivot axis of said insert in said housing.
- said elastic holding means comprise first elastic holding means and second elastic holding means all constituted by elastic lips, and in that said complementary guiding means of said insert are made in the form of a toothing at the periphery of said insert, which cooperates with ends of said elastic lips, the directions of which are intersecting with each other.
- said first elastic holding means act as a retaining paw when said second elastic holding means, respectively said first elastic holding means, cause said insert to pivot , so as to achieve adjustment by adjusting double ratchet in both directions of pivoting about a pivot axis that includes said insert.
- said elastic holding means are arranged to control, under the effect of a force tending to move them away from said second holding position, a pivoting of said insert in said housing with respect to an axis of pivoting said insert in said housing.
- said insert is constituted by a control screw or a splined shaft, which is movable between threaded sections of tracks, respectively notches or grooves, which are located opposite one of the other and carried by two elastic lips antagonists, and which are arranged to immobilize after adjustment.
- the invention also relates to a sprung balance incorporating at least one such rocker or at least one such rocker, said serge is monobloc with said junction surface and said hub in a micro-machinable material, or silicon, or quartz, or a of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the "LIGA" process.
- the invention also relates to a timepiece incorporating at least one such sprung balance, or at least one such rocker arm or at least one such equipped balance, said serge is monoblock with said junction surface and said hub in a micro material -usinable, or silicon, or quartz, or one of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the "LIGA" process.
- the invention also comprises a balance spring incorporating at least one such balance.
- the invention also relates to a timepiece incorporating at least one such sprung balance or at least one such balance.
- the preferred use of silicon makes it possible to obtain a beam structure that is both very light and very rigid, which can be dimpled in the junction zone between the hub and the serge.
- the postponement periphery of inserts which can be equipped with screws, is favorable to obtaining a properly sized inertia despite the very low total mass of the pendulum.
- the adjustment and balancing functions are ensured and facilitated.
- Such a balance is perfectly suitable for good operation at the frequency of 10 Hz, and at frequencies above 10 Hz.
- FIG. 1 shows, schematically, partially, and in section perpendicular to the axis of a beam, a periphery of the periphery of the serge of a first embodiment equipped balance made according to the invention
- FIG. 2 represents, in a similar manner to FIG. 1, a second variant of the invention
- FIG. 3 represents, in a similar manner to FIG. 1, a third variant of the invention.
- FIG. 4 represents, in a similar manner to FIG. 1, a fourth variant of the invention.
- FIG. 5 shows schematically and in perspective, a fifth variant of the invention
- FIG. 6 shows, similarly to Figure 1, a detail of the fifth variant of Figure 5;
- FIG. 7 shows schematically, partially, and in front view, a detail of a particular pendulum structure
- FIG. 8 shows schematically, partially, and section passing through the axis of the balance, a detail of the fifth variant of Figure 5;
- FIG. 9 shows schematically, partially and in perspective, a sixth variant of the balance according to the invention.
- FIG. 10 shows schematically, partially and end view, the sixth variant of Figure 9;
- FIG. 1 1 shows, schematically, partially and in front view, a balance equipped according to the sixth variant
- FIG. 12 shows, schematically, partially and in perspective, a seventh beam variant according to the invention
- FIG. 13 shows schematically, partially and end view, the seventh variant of Figure 12;
- FIG. 14 shows, schematically, partially and in front view, a balance equipped according to the seventh embodiment.
- the invention relates to the field of regulating organs for timepieces, and particularly the balance or the balance spring.
- the invention is particularly directed to the production of pendulums for high oscillation frequencies, 10 Hz or more.
- the invention relates to the production of a balance equipped 100 for timepiece with inertia adjustment to adjust its inertia and / or its balance or / and its frequency of oscillation.
- This equipped balance 100 comprises a pendulum 1 for timepiece, with inertia adjustment to adjust its inertia and / or its balance or / and its frequency of oscillation.
- This rocker 1 itself comprises a hub 2 arranged to cooperate with a shaft pivoting about a balance shaft 3 perpendicular to a balance plane 4, and a peripheral serge 5 continuous or discontinuous.
- This serge 5 can indeed be discontinuous in the context of a search for relief.
- a continuous serge 5, as visible in FIG. 5, offers the advantage of good rigidity and good aerodynamics, and limits localized flexion by preventing any warpage of the balance 1.
- This serge 5 is connected to the hub 2 by at least one joining surface
- junction surface 6 perforated in particular with cuts, through or not, between longitudinal members ensuring a good triangulation, can further reduce the mass of the pendulum.
- the serge 5 is made in one piece with the junction surface 6 and the hub 2 in a micro-machinable material, or silicon, or quartz, or one of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the "LIGA” process including, but not limited to, nickel base alloy or aluminum obtained by the "LIGA” process.
- a micro-machinable material or silicon, or quartz, or one of their compounds, or an alloy derived from MEMS technology, or an alloy as obtained by the "LIGA” process including, but not limited to, nickel base alloy or aluminum obtained by the "LIGA” process.
- the choice of silicon gives particularly good results and is the preferred solution.
- This equipped balance wheel 100 also comprises at least one housing 8 located at the periphery of the serge 5 for receiving at least one insert 7.
- This equipped balance wheel 100 also comprises at least one insert 7.
- Such an insert 7 is attached to or in the serge 5 at such a housing 8.
- This housing 8 comprises guide means 9.
- This insert 7 comprises complementary guide means 9A, of complementary profile to these guide means 9.
- this insert 7, or each of the parts which constitutes it, is made of a material which is denser than a first constituent material of the serge 5.
- this balance 1 or / and this insert 7 of resilient retaining means 10 are equipped to allow, in a first insertion position where the elastic holding means 10 are under stress, the insertion of this insert 7 into this housing 8, and to prohibit, in a second holding position where the elastic holding means 10 are released, the extraction of the insert 7 out of the housing 8.
- at least this housing 8 of the balance 1 comprises of such elastic holding means 10 for holding such an insert 7 in this housing 8 after insertion into the latter.
- these elastic means 10 comprise at least one elastic lip as visible in FIG. 2.
- these elastic means 10 comprise two elastic lips 13, 14 extending on either side of this insert 7 of so as to exert on the insert 7 forces or pairs of opposite direction, as visible in Figures 1, 3, and 12 to 14;
- the elastic holding means 10 are released in the second holding position after complete insertion of each insert 7 into its housing 8.
- These elastic holding means 10 are thus arranged to allow the insertion of this insert 7 into its housing 8 and to prohibit its extraction, as visible in the figures. They are preferably constituted by clipping means and complementary clipping means, which, preferably, the assembly is irreversible.
- the guiding means 9 and the complementary guiding means 9A are determined so as to allow mobility in the second holding position by translation or / and by pivoting of the insert 7 in the housing 8.
- FIGS. 1 and 11 The mobility according to a degree of freedom in translation is illustrated by FIGS. 1 and 11.
- the mobility according to a degree of freedom in pivoting is illustrated in FIGS. 2 to 7.
- the guiding means 9 and the complementary guiding means 9A are substantially cylindrical, or cylindrical.
- the invention thus makes it possible to constitute a balanced rocker 100 capable of oscillating at high frequency, in particular greater than or equal to 10 Hz, and to allow adjustment or fine-tuning operations.
- This equipped balance 100 may have different architectures, depending on whether the elastic holding means 10 are chosen:
- the rigid insert 7 is chosen, and the elastic holding means 10 are made in the serge 5 of the balance 1.
- the elastic holding means 10 are located on the balance 1.
- the insert 7 can then be either rigid or elastic.
- At least one of the housings 8, which includes the rocker 1 comprises elastic holding means 10 for holding such an insert 7 in the housing 8 after insertion into the latter.
- these housings 8, and preferably still all of them comprise such elastic holding means 10, which can be arranged in different variants which will be described below.
- the properties of the silicon, when the balance 1 is made in this material, are particularly suitable for the execution of such elastic holding means 10 incorporated in the body of the balance 1.
- the elastic holding means 10 are located on the insert 7.
- the elastic holding means 10 are then made at the level of the inserts 7, the equipped balance 100 then comprises a rocker 1, which is different from that of the first mode, in that it comprises, at the periphery of the serge 5 at least one housing 8 for receiving at least one insert 7, and that the housing 8 does not necessarily comprise elastic holding means.
- the insert 7 which comprises elastic holding means 10 for its retention in the housing 8 after insertion into the latter, as visible in Figure 4 or the figure 7, where the insert 7 has a slot 16 which provides sufficient flexibility.
- This insert 7 thus constitutes an unbalanced split weight, because of the slot 16, and this configuration makes it possible to accommodate one part with the other, without forcing beyond the breaking limits of the balance 1, especially when this one is made of silicon or the like.
- This slot 16 is, again, advantageously used to receive the end of a tool for adjusting its pivoting relative to its pivot axis 17 in the housing 8.
- the elastic holding means 10 are made both at the rocker 1 on the one hand, and the inserts 7 on the other hand.
- the insert 7 then comprises such elastic holding means 10
- the housing 8 also comprises elastic holding means 10 for holding the insert 7 in the housing 8 after insertion into the latter.
- the housings 8, the inserts 7, and the elastic holding means 10 can take different configurations, some preferred and in no way limiting configurations are described below.
- the elastic holding means 10 are produced in the serge 5 of the balance 1.
- the elastic holding means 10, preferably made in the serge 5 are determined to ensure the maintenance of the insert 7 in the housing 8 in a radial direction relative to the balance shaft 3, in particular for a radial adjustment of the insert 7.
- the insert 7 is maintained in this radial direction, the elastic holding means 10 still constituting active thrust means by constituting a bearing surface 1 1 tending to push the insert 7 to at least one fixed or resilient abutment 12 which is fitted to the housing 8.
- the elastic holding means 10 are determined for inserting and / or holding the insert 7 in the housing 8 in a direction tangential to serge 5.
- the elastic holding means 10 are determined to maintain the insert 7 in the housing 8 both in a radial direction relative to the balance shaft 3 and in a tangential direction relative to to the serge 5.
- the insert 7 is slid radially through the outside diameter of the serge 5, for its insertion into the balance 1, and it is held in place in the housing 8 by the elastic holding means 10 for radial and tangential support.
- the elastic holding means 10 are cut out into first resilient holding means 13 and second elastic holding means 14.
- These elastic holding means 10 are in the form of a double spring system and of clips, constituted here by a first elastic lip 13, which comprises a bearing surface 1 1 arranged to serve as a lower stop for the insert 7, and by a second elastic lip 14, the latter comprising a stop 12 arranged to acting as an upper stop for the insert 7.
- the first elastic holding means 13 and second elastic holding means 14 are advantageously constituted by elastic lips, preferably movable in non-parallel directions one to the other, and in particular orthogonal to each other, which exert on the insert 7 efforts in opposite directions.
- the insert 7 advantageously comprises at least one tapping, not shown in the figure, for receiving a regulating screw for adjusting and balancing the balance, this adjusting screw. being movable radially in this tapping relative to the axis 3 of the balance.
- the housing 8 and the insert 7 are preferably determined so as to ensure insertion of the insert 7 into the housing 8 in a direction parallel to the balance shaft 3.
- the second variant embodiment of FIG. 2 presents this arrangement.
- the insert 7 is slid or driven axially, by the upper face or the lower face of the serge 5, in a cylindrical housing 8, which is formed in part by an elastic lip 13 also constituting the elastic holding means 10, forming spring and now the insert 7 in place.
- This insert 7 has an unbalance with respect to its pivot axis 17.
- This unbalance can come for example from a notch 15 made in the insert and remaining empty, then allowing the passage of a tool to perform an angular adjustment pivoting . But it can also come from the mounting of a reported component, of higher density than that of the insert 7, in such an indentation 15 or in a suitable housing.
- the elastic holding means 10 are determined to maintain the insert 7 in the housing 8 in an angular position of pivoting with respect to a pivot axis 17 of this insert 7 in the housing 8. preferably this pivot axis 17 of the insert is parallel to the balance shaft 3, this is the case of the variants of Figures 2 to 6.
- the elastic holding means 10 is arranged to control, under the effect of a force tending to move them away from the second holding position, a pivoting of the insert 7 in the housing 8 relative to such a pivot axis 17.
- This insert 7 is preferably unbalanced type, similar to that of the second variant of Figure 2, but it has complementary guide means 9A made in the form of a toothing 18, which cooperates with the guide means 9, in particular constituted by a cylindrical bore, of the housing 8.
- first elastic holding means 13 and the second elastic holding means 14 are advantageously constituted by elastic lips, whose directions are intersecting to one another, and whose ends 13A, 14A, cooperate with the teeth 18 that the insert 7 carries at its periphery.
- This third variant makes it possible to carry out adjustment by means of a double ratchet adjustment in both pivoting directions about the pivot axis 17 of the insert 7.
- Such an embodiment of the insert 7 with a peripheral toothing 18 is naturally usable in the other variants, because it facilitates the maintenance in a particular angular position.
- the insert 7 is clamped and enclosed between at least two flanges 7A and 7B, which are arranged to bear on either side of the serge 5, and to be assembled to one another by means of permanent assembly, for example driven, clipped, glued or the like, in the manner of a rivet, or a bolt, or the like, so that the sub -assemble realized by the assembly of these two flanges 7A and 7B has at most a degree of freedom in pivoting or in translation relative to the serge 5.
- This embodiment prevents the insert 7 from disengaging the serge 5 of the balance 1 . It is still possible to make the insert 7 in at least two complementary parts in the manner of these flanges 7A and 7B.
- all or part of the inserts 7 that comprise the Equipped balance 100 is made in the form of inserts 7 in two parts 7A and 7B as described above.
- the insert 7 is advantageously made, as can be seen in FIG. 5, so as to have, after insertion into the balance 1, at least one visible surface, which is made of a material capable of being micro-machined or to undergo a removal of material by a laser.
- the insert 7 it must be possible to achieve balancing by adjusting the unbalance on the one hand, and correct the inertia on the other hand, and especially adjust very precisely the frequency of the oscillator.
- Balance balancing is an important operation, for which we seek a high balancing accuracy, of the order of one microgram x cm.
- each insert 7 is profiled in a particular way, so as to allow, separately or at the same time:
- a balancing facilitated by the existence of at least one plane surface, which is constituted either by a so-called parallel flat surface, which is parallel to the balance plane 4, or by a flat end surface which is perpendicular to the plane of 4 and a radial beam from the balance shaft 3.
- the same insert 7 may comprise both one or more parallel surfaces, and one or more end surfaces;
- each insert 7 is preferably set back from a cylinder circumscribed in the serge 5, in any relative position of the parts which constitute, if necessary, this insert 7, which may advantageously comprise inserts, such as adjusting screws or the like.
- the joining surface 6 consists of at least one arm 20. Thanks to the use of a silicon technology, such an arm can adopt any profile, including a curve, or other. It may also include lightenings, through or not, for example in the form of triangular pockets, which provide rigidity while allowing a significant weight loss.
- Figure 5 shows an even-numbered version of arms diametrically opposed two by two.
- FIG. 7 shows an exemplary embodiment with an arm 20 having a perforated structure, in a mixed manner, with, separated by ribs 30, pockets 29 passing through the entire thickness of the joining surface 6, in particular of the arm 20, or / and blind pockets 31, not through, on only part of the thickness of the junction surface 6, in particular the arm 20, for example a third, each separated from another similar blind pocket located on the other face of the arm 20 by a canvas of comparable thickness.
- the good triangulation carried out allows a sensible economy of mass, a conventional finite element calculation makes it possible to determine the longitudinal members 30 which are essential for the mechanical strength and the resistance to twisting.
- the annular portion of the serge 5 can also be perforated similarly. It is the same if it is preferred a continuous junction surface 6 such as a disk or the like.
- the serge 5 may comprise one or more cutouts 23, peripheral, or on the inner part of the serge 5.
- the first radial configuration of the invention, with insertion and radial adjustment of the insert 7 relative to the balance shaft 3, is further illustrated by a sixth variant, shown in FIGS. 9 to 11, where the insert 7 is constituted by a control screw 23 visible in Figure 1 1.
- This adjusting screw 23 cooperates with sections of tapped tracks 21 and 21 A, located opposite one another, substantially at the median plane 4A of the balance 1.
- These sections of tapped tracks 21 and 21 A are obtained, in a balance 1 preferably made of silicon, by the creation of a draft, of a shape approaching that of a groove with a substantially circular profile, during the execution of two straight teeth 22 and 22A facing each other.
- the "DRIE" method makes it possible to obtain either sloped or stripped bodies in this form, which is preferred here, because it allows, combined with the construction of elastic holding means in the form of less an elastic lip 13, to hold by pinching the adjusting screw 23, whose threading 25 cooperates, in a conventional manner, with the progressive-tooth elements 28, respectively 28A, originating from the manufacture of the circular draft, in a direction of advance perpendicular to the plane 4A, which reproduce the right teeth 21, respectively 21 A.
- these toothing elements 28 and 28A correctly reproduce a truncated tapping.
- the choice of a regulating screw 23 in gold or the like, provided with an adjusting slot 24 or the like allows precise adjustment.
- the tightening of this adjusting screw 23 in its housing 8 is achieved by the adapted dimensioning of the elastic lip 13, or of the lips if there are several, for example on either side of the housing 8.
- the adjusting screw 23 can also be replaced by a splined shaft 40, which cooperates with notches or ridges 41 which then replace the toothing elements 28, 28A.
- This configuration is illustrated in the context of a seventh advantageous variant, which is represented in FIGS. 12 to 14.
- This seventh variant comprises at least one elastic lip 42, 43, on each side of the insert 40. These elastic lips 42, 43 are formed by slots 44, 45.
- this seventh variant can also adopt the configuration of the sixth variant with a regulating screw cooperating with toothing elements on either side, which are then carried respectively by these two elastic lips 42, 43.
- this splined shaft 40 is not necessarily a revolution. It may in particular have a square section, or a section having parallel faces in pairs.
- a surface coating constituting a deformable layer allowing a plastic deformation, low elastic modulus, lower than that of the base material, including silicon or its compounds.
- the Young's modulus of this surface coating is chosen to be less than 8 GPa, and preferably less than 4 GPa.
- This deformable layer may especially consist of a polymer layer deposited in the gas phase.
- This surface coating must be chosen for its good affinity with the base material, in particular silicon and silicon compounds, and can be used to directly form a housing 8 for an insert 7 or for a control screw 23.
- the invention also relates to a sprung balance incorporating at least one such rocker 1, or at least one such equipped balance 100, according to any one of the embodiments and any of the variants presented above.
- the invention also relates to a timepiece incorporating at least one such sprung balance, or at least one such balance 1 or at least one such equipped balance 100.
- the use of silicon allows dimensioning in diameter substantially greater than one would, at similar inertia, with a balance of traditional invoice.
- the good elasticity of the silicon is particularly advantageous for the realization of the elastic holding means 10 of the invention.
- each part of each insert 7, or / and each control screw 23, is made of a material, which is a heavy metal, or beryllium bronze, or gold or platinum or tantalum or molybdenum, or one of their oxides or their nitrides, or one of their alloys, or one of the complexes developed on their bases. It is possible, thanks to the invention, to achieve a quality factor measured at an oscillator incorporating a silicon balance spring and a balance or a balance equipped with the invention, is close to 500.
- the design of the balance allows a very precise adjustment of the oscillation frequency of the sprung balance in which it is integrated.
- the adjustment and adjustment of the balance are very precise, and allow the balance to be used in a high frequency oscillator, 10 Hz or more.
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- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Micromachines (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180035313.5A CN103097966B (zh) | 2010-07-19 | 2011-07-05 | 使用插件的具有惯量调节的摆轮 |
JP2013520044A JP5551313B2 (ja) | 2010-07-19 | 2011-07-05 | インサートを用いた慣性調整機能を有するテンプ |
EP11731310.6A EP2596407B1 (fr) | 2010-07-19 | 2011-07-05 | Balancier a reglage d'inertie avec insert |
US13/809,032 US8944675B2 (en) | 2010-07-19 | 2011-07-05 | Balance with inertia adjustment using an insert |
KR1020137001461A KR101457312B1 (ko) | 2010-07-19 | 2011-07-05 | 인서트를 사용한 관성 조절 기능을 가지는 밸런스 |
CH00206/13A CH705541B1 (fr) | 2010-07-19 | 2011-07-05 | Balancier à réglage d'inertie avec insert. |
HK13112421.9A HK1185154A1 (en) | 2010-07-19 | 2013-11-05 | Balance having inertia adjustment using an insert |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10170005.2 | 2010-07-19 | ||
EP10170005.2A EP2410386B1 (fr) | 2010-07-19 | 2010-07-19 | Balancier à réglage d'inertie avec insert |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012010410A1 true WO2012010410A1 (fr) | 2012-01-26 |
Family
ID=43414048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/061294 WO2012010410A1 (fr) | 2010-07-19 | 2011-07-05 | Balancier a reglage d'inertie avec insert |
Country Status (8)
Country | Link |
---|---|
US (1) | US8944675B2 (fr) |
EP (2) | EP2410386B1 (fr) |
JP (1) | JP5551313B2 (fr) |
KR (1) | KR101457312B1 (fr) |
CN (1) | CN103097966B (fr) |
CH (1) | CH705541B1 (fr) |
HK (1) | HK1185154A1 (fr) |
WO (1) | WO2012010410A1 (fr) |
Cited By (2)
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JP2014160037A (ja) * | 2013-02-20 | 2014-09-04 | Seiko Instruments Inc | てんぷ、時計用ムーブメント及び機械式時計 |
KR101545443B1 (ko) | 2013-03-19 | 2015-08-18 | 니바록스-파 에스.에이. | 타임피스 메카니즘 구조물 |
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US9201398B2 (en) * | 2010-07-19 | 2015-12-01 | Nivarox-Far S.A. | Oscillating mechanism with an elastic pivot and mobile element for transmitting energy |
EP2455825B1 (fr) * | 2010-11-18 | 2016-08-17 | Nivarox-FAR S.A. | Procédé d'appairage et d'ajustement d'un sous-ensemble d'horlogerie |
US9016933B2 (en) * | 2011-07-29 | 2015-04-28 | Rolex S.A. | Balance wheel assembly with optimized pivoting |
WO2013092172A1 (fr) * | 2011-12-22 | 2013-06-27 | The Swatch Group Research And Development Ltd | Procédé d'amélioration du pivotement d'un mobile |
EP2746871B1 (fr) * | 2012-12-21 | 2021-05-05 | Montres Tudor S.A. | Vis de réglage d'inertie de balancier et balancier comprenant une telle vis |
EP2908188B1 (fr) * | 2014-02-17 | 2018-06-27 | The Swatch Group Research and Development Ltd. | Régulation d'un résonateur d'horlogerie par action sur la rigidité d'un moyen de rappel élastique |
EP2952977A1 (fr) * | 2014-06-03 | 2015-12-09 | Nivarox-FAR S.A. | Composant horloger en matériaux soudés |
EP2980658B1 (fr) * | 2014-08-01 | 2017-07-19 | Agenhor SA | Dispositif d'assemblage et de réglage d'un spiral |
EP2990882B1 (fr) * | 2014-08-26 | 2020-01-15 | Nivarox-FAR S.A. | Balancier à réglage d'inertie |
EP2990883A1 (fr) * | 2014-08-29 | 2016-03-02 | Nivarox-FAR S.A. | Ensemble balancier-spiral d'horlogerie |
EP3021174A1 (fr) * | 2014-11-17 | 2016-05-18 | LVMH Swiss Manufactures SA | Régulateur d'horlogerie monolithique, mouvement d'horlogerie et pièce d'horlogerie comportant un tel régulateur |
EP3118693B1 (fr) | 2015-07-16 | 2018-05-09 | The Swatch Group Research and Development Ltd. | Mécanisme de réglage de marche d'un oscillateur d'horlogerie |
EP3252546B1 (fr) * | 2016-06-03 | 2019-08-28 | The Swatch Group Research and Development Ltd | Mécanisme d'horlogerie à réglage d'inertie de balancier |
CH713286B1 (fr) * | 2016-12-23 | 2020-11-30 | Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A | Balancier pour mouvement d'horlogerie mécanique. |
EP3525046B1 (fr) * | 2018-02-12 | 2024-07-10 | The Swatch Group Research and Development Ltd | Oscillateur d'horlogerie insensible aux accelerations angulaires du porte |
EP3627237B1 (fr) | 2018-09-20 | 2022-04-06 | ETA SA Manufacture Horlogère Suisse | Composant en materiau micro-usinable pour resonateur à haut facteur de qualité |
USD922893S1 (en) * | 2019-05-07 | 2021-06-22 | Nivarox-Far Sa | Watch component |
EP3835879B1 (fr) * | 2019-12-09 | 2024-01-24 | The Swatch Group Research and Development Ltd | Mecanisme resonateur d'horlogerie avec masse inertielle a reglage d'inertie et de balourd |
EP3968097A1 (fr) * | 2020-09-09 | 2022-03-16 | Nivarox-FAR S.A. | Ensemble horloger et son procédé de fabrication |
EP4194964B1 (fr) * | 2021-12-10 | 2024-07-24 | Nivarox-FAR S.A. | Balancier à reglage d'inertie |
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WO2008080570A2 (fr) | 2006-12-21 | 2008-07-10 | Complitime S.A. | Oscillateur mecanique pour une piece d'horlogerie |
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US20060153007A1 (en) * | 2005-01-07 | 2006-07-13 | Susan Chester | Alarm clock with wireless earphones |
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EP2677369B1 (fr) * | 2010-06-11 | 2015-01-14 | Montres Breguet SA | Balancier haute fréquence pour pièce d'horlogerie |
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-
2010
- 2010-07-19 EP EP10170005.2A patent/EP2410386B1/fr active Active
-
2011
- 2011-07-05 EP EP11731310.6A patent/EP2596407B1/fr active Active
- 2011-07-05 US US13/809,032 patent/US8944675B2/en active Active
- 2011-07-05 CH CH00206/13A patent/CH705541B1/fr unknown
- 2011-07-05 JP JP2013520044A patent/JP5551313B2/ja active Active
- 2011-07-05 KR KR1020137001461A patent/KR101457312B1/ko not_active IP Right Cessation
- 2011-07-05 CN CN201180035313.5A patent/CN103097966B/zh active Active
- 2011-07-05 WO PCT/EP2011/061294 patent/WO2012010410A1/fr active Application Filing
-
2013
- 2013-11-05 HK HK13112421.9A patent/HK1185154A1/xx unknown
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CH89273A (fr) | 1919-12-30 | 1921-05-16 | Paul Ditisheim S A | Balancier pour chronomètres et montres. |
CH261431A (fr) | 1948-08-18 | 1949-05-15 | Manuf D Horlogerie Patek Phili | Balancier. |
CH280067A (fr) | 1948-08-18 | 1951-12-31 | Manuf D Horlogerie Patek Phili | Balancier. |
CH345600A (fr) | 1959-03-20 | 1960-03-31 | Rolex Montres | Balancier pour pièce d'horlogerie |
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FR1275357A (fr) | 1960-12-01 | 1961-11-03 | Straumann Inst Ag | Balancier pour montres |
FR1301938A (fr) | 1961-07-11 | 1962-08-24 | Lip Sa | Balancier pour mécanisme d'horlogerie et son procédé de fabrication |
EP1351103A1 (fr) | 2002-03-21 | 2003-10-08 | Chopard Manufacture SA | Balancier muni d'un dispositif de réglage |
EP1562087A1 (fr) | 2004-02-05 | 2005-08-10 | Montres Breguet S.A. | Balancier pour mouvement d'horlogerie |
WO2008080570A2 (fr) | 2006-12-21 | 2008-07-10 | Complitime S.A. | Oscillateur mecanique pour une piece d'horlogerie |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014160037A (ja) * | 2013-02-20 | 2014-09-04 | Seiko Instruments Inc | てんぷ、時計用ムーブメント及び機械式時計 |
KR101545443B1 (ko) | 2013-03-19 | 2015-08-18 | 니바록스-파 에스.에이. | 타임피스 메카니즘 구조물 |
Also Published As
Publication number | Publication date |
---|---|
US8944675B2 (en) | 2015-02-03 |
EP2596407A1 (fr) | 2013-05-29 |
HK1185154A1 (en) | 2014-02-07 |
KR20130041912A (ko) | 2013-04-25 |
EP2410386B1 (fr) | 2018-10-03 |
KR101457312B1 (ko) | 2014-11-04 |
JP2013531258A (ja) | 2013-08-01 |
EP2410386A1 (fr) | 2012-01-25 |
JP5551313B2 (ja) | 2014-07-16 |
EP2596407B1 (fr) | 2018-11-21 |
US20130188461A1 (en) | 2013-07-25 |
CN103097966B (zh) | 2014-09-17 |
CH705541B1 (fr) | 2016-03-31 |
CN103097966A (zh) | 2013-05-08 |
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