EP3629100B1 - Vorrichtung zur symmetrischen führung von zwei elementen, insbesondere für uhrwerke - Google Patents

Vorrichtung zur symmetrischen führung von zwei elementen, insbesondere für uhrwerke Download PDF

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Publication number
EP3629100B1
EP3629100B1 EP18196767.0A EP18196767A EP3629100B1 EP 3629100 B1 EP3629100 B1 EP 3629100B1 EP 18196767 A EP18196767 A EP 18196767A EP 3629100 B1 EP3629100 B1 EP 3629100B1
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EP
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Prior art keywords
mechanical device
elastic
time cam
elastic member
control part
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EP18196767.0A
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English (en)
French (fr)
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EP3629100A1 (de
Inventor
David Chabloz
Marc Lemonnier
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Patek Philippe SA Geneve
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Patek Philippe SA Geneve
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Priority to EP18196767.0A priority Critical patent/EP3629100B1/de
Publication of EP3629100A1 publication Critical patent/EP3629100A1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/262—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for astrological informations

Definitions

  • the present invention relates to a symmetrical guide device for two elements, in particular for watchmaking.
  • a pincer or a clamp, such as a split-seconds pincer in a chronograph, the two branches of which are controlled by a column wheel, or of two synchronized rockers.
  • the present invention aims to remedy, at least in part, these drawbacks and to this end proposes a mechanical device according to claim 1, particular embodiments being defined in the dependent claims.
  • the figures 1 and 2 show a mechanical device 1 according to a first embodiment of the invention.
  • the mechanical device 1 comprises a fixed or mobile support 2, shown schematically, and an elastic system 3 mounted on this support 2.
  • the elastic system 3 comprises first and second elements 4, 5 to be guided, a fixing part 6 fixed directly or indirectly to the support 2 by gluing, driving, screwing, welding, brazing or the like, a control part 7, a first elastic member 8 connecting the fixing part 6 to the first element 4, a second elastic member 9 connecting the fixing part 6 to the second element 5, a third elastic member 10 connecting the first element 4 to the control part 7 and a fourth elastic member 11 connecting the second element 5 to the control part 7.
  • the fixing part 6, the control part 7 and the elastic members 8 to 11 constitute a guide device making it possible to guide the first and second elements 4, 5 symmetrically and simultaneously with respect to the support 2.
  • the elastic members 8 to 11 extend in the same plane P1, as visible at figure 2 , and are elastically deformable substantially only in this plane, their stiffness perpendicular to the plane P1 being sufficiently high to prevent them from deforming outside this plane.
  • the elastic members 8 to 11 are each constituted by an elastic strip of straight shape at rest and are, at rest, arranged in a square.
  • the fixing part 6, the control part 7 and the elements 4, 5 to be guided are rigid, that is to say they do not deform, or hardly at all, during the normal operation of the elastic system 3.
  • the elasticity of the elastic members 8 to 11 allows the control part 7 and the elements 4, 5 to move relative to the fixing part 6 and to the support 2 in the plane P1.
  • the assembly constituted by the first elastic member 8, the first element 4 and the third elastic member 10 and the assembly constituted by the second elastic member 9, the second member 5 and the fourth elastic member 11 are symmetrical to one of the 'other with respect to a plane P2 which is perpendicular to the plane P1.
  • a translation of the control part 7 relative to the fixing part 6 and to the support 2 along a straight line D formed by the intersection of the planes P1 and P2 causes, by a guiding action exerted by the members elastic bands 8 to 11, a displacement of the elements 4, 5 in the plane P1 following a circular path whose center is located on the line D, the displacement of the second element 5 being symmetrical and simultaneous with that of the first element 4 with respect to the plane P2.
  • the figures 3 and 4 show by two dotted circles C the circular trajectory of the elements 4, 5.
  • the elastic system 3 is shown in its rest state (dotted line) and in a deformed state (solid line) caused by a movement of the control part 7 downwards.
  • the elastic system 3 is shown in its rest state (dotted line) and in a deformed state (solid line) caused by movement of the control part 7 upwards.
  • each elastic member 8 to 11 is a blade of curved shape in the rest state.
  • the elastic members 8 to 11 can thus, for example, be in the form of convex blades together defining a circle ( figure 9 ) or in the form of concave blades arranged in a star ( figure 10 ).
  • Hybrid geometries (not shown) can also be envisaged, with a straight blade and a curved blade on each side of the plane P2.
  • the center of rotation of the elements 4, 5 in the plane P1 is the point of intersection of the respective straight lines defined by these blades at rest.
  • the center of rotation of the elements 4, 5 in the plane P1 is located on the line D at a position which depends on the geometry of these blades.
  • FIG. 11 Another embodiment is illustrated on figure 11 .
  • the fixing part 6 is in two parts 6a, 6b (but could be in one part) and the first and second elastic members 8, 9 are, at rest, straight and parallel.
  • a translation of the control part 7 along the straight line D causes, by a guiding action exerted by the elastic members 8 to 11, a translation of the elements 4, 5 perpendicular to the straight line D as indicated by the arrows.
  • the symmetry and the simultaneity of the movements of the elements 4, 5 to be guided are excellent and these movements take place without the friction experienced by devices with physical axes of rotation or with guide grooves.
  • the elastic members 8 to 11 in fact constitute a flexible guide for the elements 4, 5 which therefore do not need to be guided by axes rotating in bearings or slides sliding in grooves.
  • the elastic system 3 can consist of a monolithic part, or be part of such a monolithic part, made for example of silicon, metal, alloy, ceramic, diamond, glass or metallic glass by means of techniques such as, depending on the material, DRIE, LIGA, spark erosion, casting, etc.
  • the mechanical device according to the invention is simple, compact and robust.
  • the present invention is not limited to a coplanar arrangement of the elastic members 8 to 11.
  • the first and second elastic members 8, 9, for example, could be in two different parallel planes and intersect without contact in the manner of a flexible pivot with separate crossed blades, their crossing defining the axis of rotation around which the elements 4, 5 rotate when the control part 7 is actuated.
  • the assembly constituted by the first elastic member 8, the first element 4 and the third elastic member 10 is symmetrical with the assembly formed by the second elastic member 9, the second element 5 and the fourth elastic member 11 with respect to the straight line D of displacement of the control part 7 in top plan view of the mechanical device.
  • the elastic system 3 is monostable and the control part 7 which controls the movement of the elements 4, 5 is itself controlled by a member such as an eccentric or a micrometric screw capable of bringing and stopping the control part 7 at any one of a continuum of positions.
  • the elastic system 3 bistable, as shown in figures 12 and 13 , by connecting the control part 7 to two points 12, 13 fixed relative to the support 2 by two flamed blades 14, 15 symmetrical to each other with respect to the plane P2, more generally with respect to the straight line D in top plan view of the mechanical device 1.
  • the elastic system 3 can then occupy a first stable state ( figure 12 ) in which the control part 7 is in a low position and a second stable state ( figure 13 ) in which the control part 7 is in a high position.
  • the passage of the control part 7 from one of its low and high positions to the other causes the elements 4, 5 to pass from a well-defined position, for example a rest position, to another well-defined position, for example. example an active position.
  • These positions can be adjusted by varying the compression ratio of the flamed blades 14, 15.
  • the flamed blades 14, 15 can be replaced by preformed blades having in the rest state the shape of a flamed blade.
  • each elastic member 8 to 11 can be in the form of a blade of variable section, for example. of a blade comprising one or more flexible portions, such as collars, and one or more rigid intermediate portions.
  • each elastic member 8 to 11 can be in the form of several blades of constant or variable section.
  • the mechanical device 1 finds applications in the field of mechanics, for example for the production of pincers or pliers, and more particularly in the field of micromechanics, in particular watchmaking.
  • the figure 14 shows a first horological application of the invention.
  • the mechanical device 1 shown in figure 14 is an oscillator mounted on a support 2, the support 2 typically being the plate of a mechanical watch movement such as the movement of a wristwatch or a pocket watch.
  • the oscillator is of the type described in the patent application WO 2017/055983 of the plaintiff. It comprises a balance 16 connected and suspended from a base 17 by separate crossed blades 18, 19.
  • the base 17 is an elastic system of the type of the elastic system 3 illustrated in figures 1 to 11 .
  • It comprises a fixing part 6 fixed directly or indirectly to the support 2, a control part 7, of the first and second elements 4, 5 to be guided, a first elastic member 8 connecting the fixing part 6 to the first element 4, a second elastic member 9 connecting the fixing part 6 to the second element 5, a third elastic member 10 connecting the first element 4 to the control part 7 and a fourth elastic member 11 connecting the second element 5 to the control part 7.
  • the separate crossed blades 18, 19 form a flexible pivot guiding the balance 16 in rotation about a corresponding virtual axis, in top plan view of the mechanical device 1, at their crossing point 20.
  • the separate crossed blades 18, 19 exert moreover, an elastic return function of the balance 16 in a position of equilibrium.
  • One, 18, of the blades 18, 19 is joined by one of its ends to the balance 16 and by its other end to the first element 4.
  • the other, 19, of the blades 18, 19 is joined by one of its ends to the balance 16 and by its other end to the second element 5.
  • the elements 4, 5 are stationary relative to the fixing part 6 and to the support 2.
  • the stiffness of the blades forming the elastic members 8 to 11 is in fact greater than that of the blades 18. , 19 of the flexible pivot.
  • An eccentric 21 in contact with the control part 7 can be actuated manually to move the control part 7 in translation along a straight line D which, in plan view from above of the mechanical device 1, is a line of symmetry for the base 17. This translational movement can be guided by means of a pin 22 fixed to the support 2 and engaged in an oblong hole 23 of the control part 7.
  • This translational movement causes a symmetrical and simultaneous movement of the elements 4, 5 in rotation about a corresponding axis, in top plan view of the mechanical device 1, at the point of intersection of the straight lines along which extend the first and second elastic members 8, 9 at rest.
  • the elements 4, 5 can be moved closer or further from each other in order to adjust the position of the crossing point 20 of the separate crossed blades 18, 19 and thus improve, for example, the isochronism of the 'oscillator, as described in the patent application WO 2017/055983 .
  • the orientation of the first and second elastic members 8, 9 is chosen so that the point of intersection of the straight lines which they define when they are at rest coincides, in plan view from above, with the point of intersection 20 of the separated crossed blades 18, 19 at rest.
  • the rotation of the elements 4, 5 during the adjustment by means of the eccentric 21 is effected without moving the balance 16 along the straight line D.
  • the escapement (not shown) is therefore not moved along the line D either. This avoids modifying the penetration depth of the pin in the fork of the anchor, and therefore the safety of the escapement.
  • the balance 16 and the peg that it carries do not move perpendicularly to the line D during the adjustment either by means of the eccentric 21. This makes it possible to preserve and guarantee the symmetry of the mark of the ankle between the two alternations of the balance 16 and therefore not to modify the angle of lift when adjusting the position of the crossing point 20.
  • the figures 15 to 18 show a second horological application of the invention.
  • the mechanical device 1 shown in figures 15 to 18 is a device for driving a display of the hours of sunrise and sunset mounted on a support 2, the support 2 typically being the plate of a mechanical watch movement such as the movement of a wristwatch or 'a pocket watch.
  • a sunrise time sensor 24 movable in translation is held in abutment against a sunrise time cam 25 by an elastic member (not shown).
  • This feeler 24 carries a toothing 26 forming a rack which meshes with a wheel (not shown) carrying a hand indicating the hours of sunrise.
  • a sunset time sensor 27 movable in translation is held in abutment against a sunset time cam 28 by an elastic member (not shown).
  • This feeler 27 carries a toothing 29 forming a rack which meshes with a wheel (not shown) carrying a hand indicating the hours of sunset.
  • the sunrise hours cam 25 is coaxial and integral with a wheel 30 which meshes with a drive wheel 31 itself driven, typically at the rate of one revolution per year, by the cog of the mechanical watch movement.
  • the sunset hours cam 28 is coaxial and integral with another wheel 32 which meshes with the drive wheel 31. More details on this device can be found in the patent application. EP 18152022.2 of the plaintiff.
  • the sunrise time cam 25 and the sunset time cam 28 are in fact winter cams.
  • the mechanical device 1 further comprises a summer sunrise times cam 33 and a sunset times cam summer 34.
  • These summer cams 33, 34 have a larger profile than the winter cams 25, 28.
  • the summer sunrise time cam 33 is coaxial and integral with a wheel 35 which meshes with a second drive wheel 36 coaxial and integral with the drive wheel 31, and the assemblies 25, 30 and 33, 35 are superimposed but mounted on different physical axes.
  • the summer sunset time cam 34 is coaxial and integral with a wheel 37 which meshes with the second drive wheel 36, and the assemblies 28, 32 and 34, 37 are superimposed but mounted on physical axes different.
  • Each feeler 24, 27 has a sufficient height to be able to cooperate with one or other of the corresponding winter and summer cams.
  • An elastic system 3 as described above in relation to the figures 1 to 11 comprises a fixing part 6 which is coaxial with the mobile formed by the drive wheels 31, 36 and which is fixed directly or indirectly to the support 2, a control part 7, a first element 4 serving as a bearing for the common axis of rotation of the summer sunrise hours cam 33 and of the wheel 35, a second element 5 serving as a bearing for the common axis of rotation of the summer sunset time cam 34 and of the wheel 37, a first elastic member 8 which connects the fixing part 6 to the first element 4, a second elastic member 9 which connects the fixing part 6 to the second element 5, a third elastic member 10 which connects the first element 4 to the control part 7 and a fourth elastic member 11 which connects the second element 5 to the control part 7.
  • the elastic system 3 is further made bistable, in the same way as illustrated in figures 12 and 13 , by flamed or preformed flamed blades 14, 15 connecting the control part 7 respectively to two points 12, 13 fixed relative to the support 2.
  • the elastic system 3 is in a first stable state where the summer sunrise times cam 33 is set back relative to the winter sunrise times cam 25, and where the summer sunrise times cam summer sunset 34 is set back with respect to the winter sunset time cam 28, allowing the probes 24, 27 to cooperate respectively with the winter cams 25, 28.
  • the control part 7 When summer time changes, the control part 7 is actuated by the user, by means of an actuating device (not shown), along a line of symmetry D of the elastic system 3 for move the elements 4, 5 and therefore the axes of the summer cams 33, 34 in rotation around the imaginary axis of rotation of the drive wheels 31, 36, the axes of the winter cams 25, 28 keeping them , their position, being mounted on the support 2.
  • the elastic system 3 then passes into a second stable state where the summer sunrise times cam 33 and the winter sunrise times cam 25 are coaxial and where the summer sunset times cam 34 and the winter sunset times cam 28 are coaxial ( figures 17 and 18 ).
  • each feeler 24, 27 is offset in translation by a distance corresponding to an offset of one hour. the sunrise / sunset time indicated by the corresponding indicator hand, allowing the angular position of the indicator hand to be adapted to summer time.
  • the summer cams 33, 34 are returned to their initial position by actuation of the control part 7 to shift the indication of the sunrise / sunset time from time to time. 'one hour in the other direction.

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Claims (14)

  1. Mechanische Vorrichtung (1), die eine Stütze (2) und ein elastisches System (3) umfasst, wobei das elastische System (3) ein erstes und zweites in Bezug auf die Stütze (2) zu führendes Element (4, 5), einen an der Stütze (2) befestigten Befestigungsteil (6), einen translatorisch in Bezug auf den Befestigungsteil (6) entlang einer Geraden (D) beweglichen Betätigungsteil (7), ein erstes elastisches Organ (8), das den Befestigungsteil (6) mit dem ersten Element (4) verbindet, ein zweites elastisches Organ (9), das den Befestigungsteil (6) mit dem zweiten Element (5) verbindet, ein drittes elastisches Organ (10), das das erste Element (4) mit dem Betätigungsteil (7) verbindet, und ein viertes elastisches Organ (11) umfasst, das das zweite Element (5) mit dem Betätigungsteil (7) verbindet, wobei die Baugruppe, die aus dem ersten elastischen Organ (8), dem ersten Element (4) und dem dritten elastischen Organ (10) besteht, in der Draufsicht der mechanischen Vorrichtung (1) in Bezug auf die Gerade (D) symmetrisch zu der Baugruppe ist, die aus dem zweiten elastischen Organ (9), dem zweiten Element (5) und dem vierten elastischen Organ (11) besteht, damit eine Translation des Betätigungsteils (7) entlang der Geraden (D) durch Verformung der elastischen Organe (8 bis 11) Verlagerungen des ersten und des zweiten Elements (4, 5) herbeiführt, die gleichzeitig und in der Draufsicht der mechanischen Vorrichtung (1) in Bezug auf die Gerade (D) symmetrisch sind.
  2. Mechanische Vorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Baugruppe, die aus dem ersten elastischen Organ (8), dem ersten Element (4) und dem dritten elastischen Organ (10) besteht, in Bezug auf eine Ebene (P2), die die Gerade (D) enthält, symmetrisch zu der Baugruppe ist, die aus dem zweiten elastischen Organ (9), dem zweiten Element (5) und dem vierten elastischen Organ (11) besteht.
  3. Mechanische Vorrichtung (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das elastische System (3) die Form eines monolithischen Werkstücks aufweist oder Teil eines monolithischen Werkstücks ist.
  4. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass jedes von dem ersten bis vierten elastischen Organ (8 bis 11) eine elastische Klinge umfasst.
  5. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das erste und das zweite elastische Organ (8, 9) so gestaltet sind, dass das erste und das zweite Element (4, 5) bei einer Translation des Betätigungsteils (7) entlang der Geraden (D) drehbar geführt werden.
  6. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das erste und das zweite elastische Organ (8, 9) so gestaltet sind, dass das erste und das zweite Element (4, 5) bei einer Translation des Betätigungsteils (7) entlang der Geraden (D) translatorisch geführt werden.
  7. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das elastische System (3) mindestens ein zusätzliches elastisches Organ (14, 15) umfasst, das es ihm ermöglicht, mehrere verschiedene stabile Zustände einzunehmen.
  8. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass sie eine mikromechanische Vorrichtung ist.
  9. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie eine Uhrenvorrichtung ist.
  10. Mechanische Vorrichtung (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass sie ferner ein drehbares Organ (16) umfasst, das mit dem ersten und dem zweiten Element (4, 5) über eine erste beziehungsweise eine zweite getrennte gekreuzte Klinge (18, 19) verbunden ist, wobei die getrennten gekreuzten Klingen (18, 19) so gestaltet sind, dass sie das drehbare Organ (16) in Bezug auf das elastische System (17, 3) drehbar führen, wobei die Position des Kreuzungspunkts (20) der getrennten gekreuzten Klingen (18, 19) in der Draufsicht der mechanischen Vorrichtung (1) durch eine Translation des Betätigungsteils (7) entlang der Geraden (D) geregelt werden kann.
  11. Mechanische Vorrichtung (1) nach Anspruch 10, dadurch gekennzeichnet, dass das erste und das zweite elastische Organ (8, 9) elastische Klingen sind, die in der Draufsicht der mechanischen Vorrichtung (1) in der Ruhestellung gerade sind, und auf den Kreuzungspunkt (20) der getrennten gekreuzten Klingen (18, 19) abzielen, wenn sich diese letzteren ebenfalls in der Ruhestellung befinden.
  12. Mechanische Vorrichtung (1) nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass das drehbare Organ (16) eine Unruh, eine Wippe, ein Hebel oder ein Anker ist.
  13. Mechanische Vorrichtung (1) nach Anspruch 9, dadurch gekennzeichnet, dass sie ferner umfasst einen ersten und einen zweiten Taster (24, 27), ein Antriebsdrehteil (31, 36), eine Wintersonnenaufgangszeiten-Kurvenscheibe (25), ein erstes Rad (30), das koaxial und fest verbunden mit der Wintersonnenaufgangszeiten-Kurvenscheibe (25) ist, eine Wintersonnenuntergangszeiten-Kurvenscheibe (28), ein zweites Rad (32), das koaxial und fest verbunden mit der Wintersonnenuntergangszeiten-Kurvenscheibe (28) ist, eine Sommersonnenaufgangszeiten-Kurvenscheibe (33), ein drittes Rad (35), das koaxial und fest verbunden mit der Sommersonnenaufgangszeiten-Kurvenscheibe (33) ist, eine Sommersonnenuntergangszeiten-Kurvenscheibe (34), ein viertes Rad (37), das koaxial und fest verbunden mit der Sommersonnenuntergangszeiten-Kurvenscheibe (34) ist, wobei das erste bis vierte Rad (30, 32, 35, 37) mit dem Antriebsdrehteil (31, 36) ineinandergreifen, die Baugruppe, die aus der Wintersonnenaufgangszeiten-Kurvenscheibe (25) und dem ersten Rad (30) besteht, und die Baugruppe, die aus dem Sommersonnenaufgangszeiten-Kurvenscheibe (33) und dem dritten Rad (35) besteht, übereinanderliegen, die Baugruppe, die aus der Wintersonnenuntergangszeiten-Kurvenscheibe (28) und dem zweiten Rad (32) besteht, und die Baugruppe, die aus der Sommersonnenuntergangszeiten-Kurvenscheibe (34) und dem vierten Rad (37) besteht, übereinanderliegen, das erste Element (4) der Achse von einer von der Wintersonnenaufgangszeiten-Kurvenscheibe (25) und der Sommersonnenaufgangszeiten-Kurvenscheibe (33) als Lager dient, das zweite Element (5) der Achse von einer von der Wintersonnenuntergangszeiten-Kurvenscheibe (28) und der Sommersonnenuntergangszeiten-Kurvenscheibe (34) als Lager dient, wobei das erste und das zweite elastische Organ (8, 9) so gestaltet sind, dass das erste und das zweite Element (4, 5) sich drehbar um die gedachte Drehachse des Antriebsdrehteils (31, 36) verlagern, wenn der Betätigungsteil (7) translatorisch entlang der Geraden (D) verlagert wird, wobei der Betätigungsteil (7) entlang der Geraden (D) eine erste Position, in der der erste Taster (24) mit der Wintersonnenaufgangszeiten-Kurvenscheibe (25) zusammenwirkt und der zweite Taster (27) mit der Wintersonnenuntergangszeiten-Kurvenscheibe (28) zusammenwirkt, und eine zweite Position einnehmen kann, in der der erste Taster (24) mit der Sommersonnenaufgangszeiten-Kurvenscheibe (33) zusammenwirkt und der zweite Taster (27) mit der Sommersonnenuntergangszeiten-Kurvenscheibe (34) zusammenwirkt.
  14. Mechanische Vorrichtung (1) nach Anspruch 13, dadurch gekennzeichnet, dass das elastische System (3) bistabil ist.
EP18196767.0A 2018-09-26 2018-09-26 Vorrichtung zur symmetrischen führung von zwei elementen, insbesondere für uhrwerke Active EP3629100B1 (de)

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195179A6 (de) * 1972-08-03 1974-03-01 Sofragraf
WO2016029296A1 (fr) * 2014-08-29 2016-03-03 Mouret Nicolas Mécanisme d'horlogerie pour afficher les heures de lever et/ou de coucher du soleil à différentes latitudes
CN108138837B (zh) 2015-09-29 2020-10-27 百达翡丽日内瓦公司 柔性枢轴机械部件以及包括该部件的钟表设备
EP3266737B1 (de) * 2016-07-05 2019-11-27 Patek Philippe SA Genève Multistabiles programmierbares system

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