EP2887151A2 - Schwungelement für Uhrwerk - Google Patents

Schwungelement für Uhrwerk Download PDF

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Publication number
EP2887151A2
EP2887151A2 EP14197767.8A EP14197767A EP2887151A2 EP 2887151 A2 EP2887151 A2 EP 2887151A2 EP 14197767 A EP14197767 A EP 14197767A EP 2887151 A2 EP2887151 A2 EP 2887151A2
Authority
EP
European Patent Office
Prior art keywords
compliant
axis
beams
prestressing
elastic
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.)
Granted
Application number
EP14197767.8A
Other languages
English (en)
French (fr)
Other versions
EP2887151B1 (de
EP2887151A3 (de
Inventor
Carla Lambert
Emilie Sellez
Alexander Hasse
René Jähne
Kurt Straumann
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.)
Richemont International SA
Original Assignee
Richemont International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP2887151A2 publication Critical patent/EP2887151A2/de
Publication of EP2887151A3 publication Critical patent/EP2887151A3/de
Application granted granted Critical
Publication of EP2887151B1 publication Critical patent/EP2887151B1/de
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Anticipated expiration legal-status Critical

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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
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • 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
    • G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/012—Metallic bearings

Definitions

  • the present invention relates to an oscillating element for mechanical clockwork movement.
  • Mechanical clock movements comprise numerous oscillating elements, in particular elements rotated alternately in one direction and then in the other.
  • the balance wheel, the hairspring, the escapement anchor, the winding mass, and certain complications are examples of such oscillating elements.
  • the power reserve of a mechanical watch depends especially losses due to friction in the train and in the pivot of the regulating member. It is therefore advantageous to reduce these friction in order to increase the power reserve. Friction at the parts oscillating rapidly, especially in the exhaust, are particularly critical.
  • the performance of a typical Swiss lever escapement is typically of the order of about 40%; 60% of the energy transmitted by the gear train to the exhaust is lost in friction.
  • Compliant mechanisms are known in the state of the art which are often used to reduce friction or improve the accuracy of a displacement.
  • a compliant mechanism is a mechanism that, unlike rigid body-based mechanisms, allows displacement by the flexibility of at least one limb.
  • a compliant element allows the rotation of an axis thanks to the flexibility of at least one member.
  • the compliant elements therefore partially or completely avoid the friction of moving parts relative to each other, and the energy losses and the wear of the parts that result from this friction. They also make it possible to elegantly solve the problems caused by the play of conventional bearings.
  • EP2273323A2 describes a mechanical oscillator based on a compliant mechanism.
  • the mechanism illustrated on the figure 4 comprises a prestressing system exerted from the axis of the balance.
  • WO2012 / 010408 describes an escapement anchor with an elastic pivot.
  • US3678683 describes a regulating organ and an exhaust.
  • the anchor is mounted on a conventional axis.
  • DE2714020 describes a gear wheel for quartz watches, allowing rotation without noise and with minimal torque.
  • the pivot is replaced by flexible blades between the periphery of the pinion and the ring gear, thus allowing this ring to rotate with an elastic game.
  • EP2455821 relates to an escape wheel whose pivot is replaced by a compliant mechanism.
  • WO2011 / 120180A1 discloses a gear lock device based on another compliant link. Again, this device is made in one piece or in one piece with the exception of pallets, making its design difficult.
  • a compliant link integrated in the blocker also has the disadvantage of not be easily adapted to an existing blocker; it is necessary to completely redraw the entire blocker.
  • An object of the present invention is to provide an oscillating element for a watch movement free from the limitations of known oscillating elements, in particular an oscillating element capable of oscillating with minimal torque and energy losses as small as possible.
  • Another object of the present invention is to provide an oscillating element for a watch movement capable of oscillating with a torque and energy losses as constant as possible.
  • Another object of the present invention is to provide an oscillating element based on a compliant connection but which does not have the drawbacks of existing compliant links.
  • Another object of the present invention is to provide an oscillating element for a watch movement based on a compliant connection and whose overall size in the plane of the oscillating anchor is as small as possible.
  • this construction makes it possible to separate the two functions of the oscillating element into two components on two different planes.
  • the first functional component that is to say the anchor
  • the second component is constituted by a compliant element on another plane.
  • the anchor is a functional component in the foreground that provides a function in the context of the watch movement; the second compliant component on the second plane does not provide no function other than "virtual" pivot for the axis of the first component.
  • the first and second parts of the axis are first and second ends of the axis respectively.
  • the compliant element therefore occupies no space in the foreground of the anchor. Both components can be made and dimensioned independently of each other, allowing uncompromising optimization of each component.
  • the compliant element can for example be used with existing functional components, without modification of these components.
  • the two components are linked to each other by an axis.
  • the compliant element acts on an axis (which is integral with the functional component) and not directly on the periphery of the functional component as is the case in the prior art. This is advantageous, for example for fragile components or that have complex shapes.
  • compliant element designates in this text an element that allows a displacement of a part, for example a rotation of an axis, thanks to the elastic deformation, for example the bending, of at least a part of the 'element.
  • a compliant element can therefore operate without friction between the moving part (for example an axis) and fixed part.
  • the compliant element is made to allow rotation of an axis with a torque as low as possible. It therefore exerts no return force on the axis, or only a negligible return torque or in any case voluntarily chosen to be as low as possible, at least in the expected range of oscillations.
  • the compliant element comprises two flexible beams forming a cross intersection. This construction minimizes clutter and facilitates synthesis and simulation.
  • the beams may be for example straight beams.
  • the axis is mounted at the intersection between said beams.
  • One or preferably two ends of two adjacent branches of the cross may be attached to the frame of the movement by means of mounting points provided for this purpose.
  • the mounting points may for example be openings for the driving or gluing of fixing pins.
  • the one or both ends of the one or both limbs can thus be fixed relative to the frame, while the end of the two other limbs, as well as the point of intersection, can be movable when the limbs of the compliant element are deformed. .
  • the elastic prestressing element makes it possible to exert a prestressing force on the compliant element so as to modify the torque necessary for the rotation of said axis.
  • the prestressing is chosen so as to minimize the torque necessary for the rotation of the axis. Prestressing is advantageously exercised simultaneously on two adjacent branches of the cross of the compliant element.
  • the elastic prestressing element may be integrally bonded to the compliant element, or even form a single element, which facilitates assembly and alignment.
  • the elastic prestressing element can exert a prestressing force on both ends of two adjacent branches of the cross.
  • This prestressing force can be exerted directly by the elastic prestressing element on the compliant element.
  • This prestressing force can be exerted by the elastic prestressing element on the compliant element through a part support through two branches.
  • This solution has the advantage of distributing the prestressing force on the two branches.
  • This prestressing force can be exerted by the elastic prestressing element on the compliant element through a support piece through two branches and an articulated connection.
  • This solution has the advantage of allowing a relative displacement of the elastic prestress element with respect to the compliant element.
  • the elastic prestressing element may be shaped so as to comprise two strands. One end of each strand is rigidly connected to one end of a fixed branch of the cross, another portion of each strand exerts a prestressing force on the free end of another branch of the cross.
  • the elastic prestress element and the compliant element is at least partly in the same plane.
  • the elastic prestressing element being dimensioned and structured so as to exert a substantially constant prestressing force on the compliant element even when the compliant element is deformed. Calculations and simulations have shown that a constant prestressing force makes it possible to minimize the torque necessary for the rotation of the axis, and to prevent this torque from being dependent on the angular position.
  • the strands may be bonded to each other so as to form a ring.
  • the axis can be driven out and / or glued in the anchor and / or in the compliant element.
  • This arrangement of the cross beams makes it possible to obtain a central symmetry of the forces exerted by the deformable beams on the point of rotation.
  • the anchor and the compliant element may be in the same plane (at least partially) without necessarily being interconnected by an axis.
  • the anchor and the compliant element can be in different planes linked together by an axis.
  • At least one elastic prestressing element may optionally be provided to exert a prestressing force on the compliant element so as to modify the torque necessary for rotating the functional component.
  • This elastic prestressing element can act for example on the distal ends of the beams.
  • the anchor can be a Swiss anchor for Swiss anchor escapement.
  • the invention also relates to a regulating member comprising a compliant oscillating anchor, for example an oscillating anchor by means of an oscillating element according to any of the embodiments described in this application, fixed on an exhaust door which also carries the escape wheel and, preferably, the balance shaft with the balance and the balance spring.
  • a compliant oscillating anchor for example an oscillating anchor by means of an oscillating element according to any of the embodiments described in this application, fixed on an exhaust door which also carries the escape wheel and, preferably, the balance shaft with the balance and the balance spring.
  • the figure 1 illustrates a perspective view of an oscillating element according to a first embodiment of the invention.
  • the figure 2 illustrates a top view of an oscillating element according to the first embodiment of the invention.
  • the figure 3 illustrates a side view of an oscillating element according to the invention.
  • the figure 4 illustrates a perspective view of an oscillating element according to a second embodiment of the invention.
  • the figure 5 illustrates a perspective view of an oscillating element according to a third embodiment of the invention.
  • the figure 6 illustrates a top view of an oscillating element according to a fourth embodiment of the invention.
  • the figure 7 is an exploded view of an oscillating element according to a fifth embodiment of the invention.
  • the functional component 2 that is to be oscillated at one end of the axis 3 is an anchor, more particularly a Swiss anchor for Swiss anchor escapement.
  • the anchor 2 comprises in this example two pallets 20A and 20B, a fork 21 and a dart 22. It can be made of steel or advantageously in silicon or in another material allowing fabrication by one of the photolithography methods, DRIE (abbreviation for "Deep Reactive Ion Etching") or LIGA (abbreviation for "Lithography, Galvanoformung, Abformung”). It is mounted on a first end of the axis 3 by driving, for example in the case of a metal anchor, or by gluing, for example in the case of a silicon anchor. Alternatively, the axis 3 and the anchor 2 can be formed in one piece. An anchor integrating the pallets and / or the stinger into a monolithic assembly can also be envisaged.
  • Axis 3 is not a conventional moving axle that pivots in bearings. Instead, the oscillating element preferably comprises at the other end of the axis 3 a compliant element 4.
  • the compliant element is of the cross type and therefore comprises two rectilinear beams 5A, 5B which intersect at X.
  • the axis 3 is mounted at the intersection between the two beams 5A, 5B, this intersection being coincident with the center rotation of the compliant element.
  • Non-rectilinear beams may be used, including curved or bent beams.
  • the four branches of the cross are referenced by the numbers 7A to 7D.
  • the distal ends of two adjacent branches 7A, 7B of the cross are provided with attachment points 6A, 6B to fix them on a part of the movement frame, such as the plate, a bridge, an exhaust door, or a cage of whirlwind.
  • the oscillating element is fixed by means of pins or pins or screws inserted into these two attachment points.
  • the oscillating element can be fixed on an exhaust-door which also carries the escape wheel and, preferably, the balance shaft with the balance and the hairspring. This configuration facilitates the alignment and mounting of various components of the regulating member.
  • a connecting member 60 is integrally bonded to the distal end of the two legs 7A, 7B and provided with two attachment points 6A, 6B in the form of through holes. This configuration allows in particular to move the fixing bridges with respect to the elastic beams 5A, 5B whose deformable length can thus be maximized.
  • the two strands 80A, 80B leave the connecting element 60 near the fixed ends of the cross and surround the two beams 5A, 5B so as to exert a prestressing force on the distal ends of the free branches 7C, 7D. More particularly, one end 81A, 81B of each strand is rigidly connected to one end of each fixed branch 7A, 7B of the cross. They are thus united in a single ring.
  • the resilient member 80A, 80B bears directly at the points 81C, 81D against the distal ends of the branches 7C, 7D.
  • the prestressing force is exerted by the elastic element 80A, 80B through a support piece 9 which distributes and equalizes the pressure against the two branches 7C, 7D.
  • This solution ensures equal pressure on the two branches 7C, 7D even in the case of slight differences in length due to example to imperfections of manufacture.
  • the support element 9 may be integral, monolithic with the two branches 7C, 7D.
  • An articulated connecting element 90 is advantageously pivotally connected on the one hand to the strands 80A, 80B, on the other hand to the support piece 9.
  • This connecting element guarantees a constant distance between these two elements while allowing a rotation in relation to the blades 80A, 80B and relative to the part 9.
  • it has a bone shape with a head, or epiphysis, approximately hemispherical at each end of a central portion. Each head collaborates with a corresponding dome in the strands 80A, 80B respectively in the support piece 9.
  • the prestressing force exerted by the strands 80A, 80B depends on the length of the connecting element 90 and the displacement it causes on the support piece 9 and on the ends of the branches 7C, 7D.
  • an oscillating element can be delivered with several connecting elements of different lengths to adjust the prestressing force.
  • the mounting of the oscillating element may comprise the choice of a connecting element 90 of suitable length among several connecting elements of different lengths.
  • the ideal length of the connecting member 90 is determined by digital simulation once and for all during the design, and applied.
  • the compliant element is therefore constituted in this example of two parts: the cross structure 5A, 5B with the elastic element 80A, 80B and the elements 9 and 60; and the connecting element 90.
  • these two parts can be made of steel, silicon, etc.
  • the figure 4 illustrates a second variant of oscillating element 1 for watch movement.
  • the oscillating component 2 is an anchor, represented without its pallets but which could naturally be equipped with pallets.
  • the compliant element 4 comprises three flexible beams 5C, 5D 5E star about the axis 3.
  • the elastic prestressing element 8 is constituted by three strands 80C, 80D, 80E forming a triangle, for example a equilateral triangle. The ends of the three beams are connected to the three respective points of the triangle.
  • Prestressing is therefore exerted in the same way on all three beams 5C to 5E.
  • the end of the three beams is not blocked.
  • One advantage is that the center of the axis 3 remains almost immobile even during rotation of the part 2.
  • the oscillating element 1 is fixed to the frame of the movement by the three mounting points 6C, 6D, 6E directly on the prestressing element 80C to 80E.
  • the mounting points are linked to the media of the strands 80C to 80E.
  • it is a displacement applied on the strands 80C to 80E which creates the constraint.
  • Compliant elements with a number of star arms different from three can be envisaged, for example compliant elements with 2, 4, 5, .. N star arms around the axis 3.
  • the angular space between the different ras is preferably constant and equal to 360 ° / N.
  • the figure 5 illustrates a third compliant element variant 4 intended to be integrated in an oscillating element for a watch movement.
  • the compliant element 4 comprises two beams 5A, 5B forming a cross about the axis 3.
  • the oscillating component for example an exhaust anchor not shown, is intended to be mounted on the axis 3 in another plane than the compliant element 4.
  • the two beams 5A, 5B X form four branches 7A to 7D whose ends are connected in pairs thanks to the connecting elements 60 and 61, respectively.
  • a resilient ring preload member 8 has two strands 80A, 80B which join the center of the connecting member 60 with the center of the connecting member 61, forming a ring.
  • This elastic element 8 exerts a prestressing force directly on the distal ends of the four branches 7A to 7D. More particularly, one end 81 A, 81 B of each strand is rigidly connected to one end of each fixed branch 7A, 7B of the cross. No connecting part 9 is used between the prestressing element and the connecting elements 60, 61.
  • the compliant element 4 is mounted on the movement frame by two mounting points 6F, 6G directly on the constraining element 8, for example in the middle of the strands 80A respectively 80B.
  • the amplitude of the prestressing force is identical on all the beams.
  • the center of the axis 3 remains motionless even when rotating the workpiece 2.
  • the figure 6 illustrates a fourth compliant element variant 4 intended to be integrated in an oscillating element for watch movement.
  • This variant corresponds to the third variant, except that the free ends of the four branches 7A to 7D are connected to the prestressing element 8 by means of two support pieces 9A, 9B connecting the branches two by two, and bone-shaped connecting members 90A, 90B bonding these support members 9A, 9B to the strands 80A, 80B of the prestressing member.
  • These connecting elements allow a displacement according to several degrees of freedom of the prestressing element 8 relative to the support parts 9A, 9B and with respect to the end of beams. In this variant, it is a displacement applied on the support pieces 9A, 9B which creates the constraint.
  • the shape and structure of the elastic element is optimized, for example by successive approximations, so that the prestressing force remains substantially constant even when the various beams of the compliant element are deformed, throughout the deformation range. usual. This ensures that the restoring torque exerted on the axis 3 is independent of its angular position.
  • the thickness of the strands 80A, 80B is irregular in order to achieve this objective.
  • the figure 7 illustrates a fifth variant compliant element 4 intended to be integrated in an oscillating element for watch movement.
  • This variant is different from that of the figure 5 mainly by the shape of the elastic prestressing element; the other elements may be identical to those described in relation to the figure 5 and will not be described.
  • the elastic prestressing element 8 is formed of two arms 80A, 80B which do not meet directly, but connect pairs of points on the connecting elements 60, 61. More specifically, the arm 80B connects the point 600 near one end of the connecting member 60 with the point 610 near the corresponding end of the other connecting member 61; the arm 80A connects the point 601 near one end of the connection element 60 with the point 611 near the corresponding end of the other connection element 61
  • the mounting points 6H, 6I of the constraint element 8 on the frame are on the prestressing element 8, as in FIG. figure 5 . However, these mounting points are not directly in the middle of the strands 80A, 80B, but are connected to these strands by elastic elements 80C respectively 80D.
  • each of the resilient members 80C, 80D is constituted by a ring one point of which is linked to a strand 80A, respectively 80D, and another point at 180 ° is bound to one side of a mounting point 6H, 6I opposite to the strand.
  • the mounting points 6H, 6I do not limit or almost no freedom of the strands 80A, 80B to move, which allows the constraint element 8 as a whole to exert a greater stress on the compliant element 4.
  • the compliant element 4 can be assembled on a wafer 11 made for example of LIGA and having pads 110 for receiving the mounting points 6H, 6I.
  • the plate 11 may be mounted on the frame of the movement or be part of this frame. This plate 11 makes it possible to obtain better control of the prestressing applied to the compliant element 4 by better precision of the spacings between the studs 110. More particularly, the studs 110 and the plate 11 preferably form one single piece, as well as misalignment during assembly can be practically. In addition, we obtain a greater ease of assembly of the assembly on the frame of the movement, and therefore the replacement of this set if necessary.
  • this plate can be integrated into an exhaust door, and it can be used to adjust the position of the anchor by moving the plate on the movement frame.
  • This plate 11 may be used in combination with oscillating elements different from that of the figure 7 , for example with an oscillating element according to any embodiment according to one of the Figures 1 to 6 .
  • an oscillating element for a watch movement comprising an anchor, a compliant element in the same plane and which allows this anchor to rotate when the compliant element is deformed elastically, and at least one elastic prestressing element. which exerts a prestressing force on the compliant element so as to modify the torque necessary for the rotation of the anchor.
  • the elastic prestress element may be in the same plane as the compliant element, and / or in the same plane as the anchor, or in another plane.
  • the anchor and the compliant element may be in the same plane (at least partially) without necessarily being interconnected. by an axis.
  • the anchor and the compliant element can be in different planes linked together by an axis.
  • an oscillating element for a watch movement comprising a compliant element 4 formed of several intersecting beams 5A, 5B, the intersection point of the beams defining a center of rotation for the anchor in the same plane or in a different plane than the compliant element.
  • the number of beams can be two, three, etc.
  • the beams are advantageously arranged symmetrically around the center of rotation.
  • An elastic prestressing element 8 may optionally be provided to exert a prestressing force on the distal ends of the beams, so as to modify the torque necessary for the rotation of the anchor.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
EP14197767.8A 2013-12-12 2014-12-12 Schwungelement für Uhrwerk Active EP2887151B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH02055/13A CH708937B1 (fr) 2013-12-12 2013-12-12 Elément oscillant pour mouvement horloger.

Publications (3)

Publication Number Publication Date
EP2887151A2 true EP2887151A2 (de) 2015-06-24
EP2887151A3 EP2887151A3 (de) 2016-06-29
EP2887151B1 EP2887151B1 (de) 2017-10-18

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CH (1) CH708937B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017055986A1 (fr) * 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Mouvement horloger comprenant un système de guidage flexible
WO2017055983A1 (fr) * 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Composant mécanique à pivot flexible et dispositif horloger le comprenant
WO2017068538A1 (fr) * 2015-10-23 2017-04-27 Richemont International Sa Oscillateur pour un mouvement horloger mécanique
EP3182214A1 (de) * 2015-12-16 2017-06-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Mechanischer oszillator für eine uhr, regulierungsmechanismus, der diesen mechanischen oszillator umfasst, und entsprechendes uhrwerk
EP3761122A1 (de) * 2019-07-04 2021-01-06 Dominique Renaud SA Drehteil für uhrhemmung, entsprechender hemmungsmechanismus und entsprechendes uhrenteil
US12055896B2 (en) 2016-12-23 2024-08-06 Manufacture D'horlogerie Audemars Piguet Sa Flexible monolithic component for a timepiece

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Publication number Priority date Publication date Assignee Title
US3678683A (en) 1971-02-26 1972-07-25 Gen Time Corp One-piece roller-impulse member for timepiece escapement
DE2714020A1 (de) 1977-03-30 1978-10-12 Werner Beiter Zahnrad aus kunststoff und verfahren zu seiner herstellung
EP2037335A2 (de) 2007-09-13 2009-03-18 August Enzler Anker für eine Uhrenhemmung
EP2273323A2 (de) 2009-07-10 2011-01-12 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Mechanischer Oszillator
WO2011120180A1 (fr) 2010-04-01 2011-10-06 Rolex S.A. Dispositif de blocage pour roue dentée
WO2012010408A1 (fr) 2010-07-19 2012-01-26 Nivarox-Far S.A. Mecanisme oscillant a pivot elastique et mobile de transmission d'energie
EP2455821A1 (de) 2010-11-18 2012-05-23 Nivarox-FAR S.A. Energieübertragungrad

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Publication number Priority date Publication date Assignee Title
GB463375A (en) * 1936-07-28 1937-03-30 Helmut Junghans Improvements in or relating to balance spring arrangements for clockwork mechanisms

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678683A (en) 1971-02-26 1972-07-25 Gen Time Corp One-piece roller-impulse member for timepiece escapement
DE2714020A1 (de) 1977-03-30 1978-10-12 Werner Beiter Zahnrad aus kunststoff und verfahren zu seiner herstellung
EP2037335A2 (de) 2007-09-13 2009-03-18 August Enzler Anker für eine Uhrenhemmung
EP2273323A2 (de) 2009-07-10 2011-01-12 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Mechanischer Oszillator
WO2011120180A1 (fr) 2010-04-01 2011-10-06 Rolex S.A. Dispositif de blocage pour roue dentée
WO2012010408A1 (fr) 2010-07-19 2012-01-26 Nivarox-Far S.A. Mecanisme oscillant a pivot elastique et mobile de transmission d'energie
EP2455821A1 (de) 2010-11-18 2012-05-23 Nivarox-FAR S.A. Energieübertragungrad

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017055986A1 (fr) * 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Mouvement horloger comprenant un système de guidage flexible
WO2017055983A1 (fr) * 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Composant mécanique à pivot flexible et dispositif horloger le comprenant
KR20180061198A (ko) * 2015-09-29 2018-06-07 파텍 필리페 에스아 쥬네브 가요성-피봇 기계 부품 및 이를 포함하는 시계 장치
JP2018535431A (ja) * 2015-09-29 2018-11-29 パテック フィリップ ソシエテ アノニム ジュネーブ 可撓性枢動機械構成要素及び可撓性枢動機械構成要素を備えた時計装置
US10359737B2 (en) 2015-09-29 2019-07-23 Patek Philippe Sa Geneve Flexible-pivot mechanical component and timekeeping device including same
KR102666392B1 (ko) 2015-09-29 2024-05-17 파텍 필리페 에스아 쥬네브 가요성-피봇 기계 부품 및 이를 포함하는 시계 장치
WO2017068538A1 (fr) * 2015-10-23 2017-04-27 Richemont International Sa Oscillateur pour un mouvement horloger mécanique
EP3182214A1 (de) * 2015-12-16 2017-06-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Mechanischer oszillator für eine uhr, regulierungsmechanismus, der diesen mechanischen oszillator umfasst, und entsprechendes uhrwerk
WO2017102917A1 (fr) * 2015-12-16 2017-06-22 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Oscillateur mécanique pour pièce d'horlogerie, mécanisme de réglage comportant cet oscillateur mécanique, et mouvement d'horlogerie
US12055896B2 (en) 2016-12-23 2024-08-06 Manufacture D'horlogerie Audemars Piguet Sa Flexible monolithic component for a timepiece
EP3761122A1 (de) * 2019-07-04 2021-01-06 Dominique Renaud SA Drehteil für uhrhemmung, entsprechender hemmungsmechanismus und entsprechendes uhrenteil

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EP2887151B1 (de) 2017-10-18
CH708937A1 (fr) 2015-06-15
CH708937B1 (fr) 2020-03-31
EP2887151A3 (de) 2016-06-29

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