EP3483664B1 - Uhrmechanismus zum anzeigen des mondtags und der mondphase mit korrektursystem mit doppeltem antriebsstrang - Google Patents

Uhrmechanismus zum anzeigen des mondtags und der mondphase mit korrektursystem mit doppeltem antriebsstrang Download PDF

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Publication number
EP3483664B1
EP3483664B1 EP17201110.8A EP17201110A EP3483664B1 EP 3483664 B1 EP3483664 B1 EP 3483664B1 EP 17201110 A EP17201110 A EP 17201110A EP 3483664 B1 EP3483664 B1 EP 3483664B1
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EP
European Patent Office
Prior art keywords
wheel
moon
rotating element
rotation
pinion
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EP17201110.8A
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English (en)
French (fr)
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EP3483664A1 (de
Inventor
Alain Zaugg
Christophe Riedo
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Montres Breguet SA
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Montres Breguet SA
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Priority to EP17201110.8A priority Critical patent/EP3483664B1/de
Priority to US16/170,228 priority patent/US11036185B2/en
Priority to JP2018208712A priority patent/JP6636598B2/ja
Priority to CN201811331213.7A priority patent/CN109765775B/zh
Publication of EP3483664A1 publication Critical patent/EP3483664A1/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
    • 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
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon

Definitions

  • the average value of the lunar day (separating two passages in the meridian) is 24 hours, 50 minutes, 28.328 seconds.
  • This very clever mechanism makes it possible to display a passage from the moon to the meridian in 24 hours, 50 minutes, 31.58 seconds, and a lunation in 29.5 days.
  • the mechanism designed by E.Cloux does not include any body allowing the corrections made to be displayed. necessary either by the drifts resulting from the abovementioned approximations, or, quite simply, by the shutdown of the mechanism following the exhaustion of the energy source (most often a barrel spring in mechanical watches, which failing winding eventually relax completely).
  • This document describes a mechanism for displaying the lunar day and the moon phase, this mechanism employing a sphere, representing the moon, which is driven to pivot around two axes perpendicular to each other.
  • the first rotation is carried out in a lunar day (approximately 24h and 50m) and the other rotation is completed in the duration of a lunation (approximately 29 days).
  • the figure 2 of this document shows the drive train.
  • the sphere is arranged in a bearing supported by a plate 16, which is itself driven in rotation by a gear train (10, 9, 46, 45, 42, 22) derived directly from the finishing.
  • the rotation of the sphere relative to the plate 16 is obtained by a second chain (43, 37, 32, 30) derived from the finishing and ending on a moon pinion (30) integral with the sphere.
  • An objective of the invention is therefore to propose a solution making it possible, in a simple and reliable manner, to correct the lunar day and the lunation in a mechanism as presented above.
  • the correction device advantageously comprises a carrying pinion which meshes with the sliding pinion, and at least one connecting rod which couples the axes of rotation of the sliding pinion and the carrying pinion.
  • the first rotating element comprises for example a toothed wheel which extends perpendicular to the main axis, integral with a barrel which extends along the main axis.
  • the second rotating element it then comprises an auxiliary wheel which extends perpendicular to the axis main, integral with a sleeve fitted with friction on the barrel of the first rotating element.
  • the friction connection between the second rotating element and the first rotating element is advantageously carried out by lanterning, which occurs, for example. in the form of a punctual deformation of the internal diameter of the tube of the second rotating element, so as to ensure friction on the conical groove produced in the barrel of the first element.
  • the central wheel preferably carries a toothing in crown geared by the moon pinion; in addition, the central wheel is advantageously fitted onto the barrel of the first rotating element.
  • the moon bearing is, for its part, preferably mounted on the central wheel, being for example. fitted onto it with the interposition of a plain bearing.
  • the transmission wheel advantageously comprises a pair of diametrically opposite necklaces.
  • the star wheel typically comprises 29 or 30 teeth, or in a preferred variant, 59 teeth.
  • this watch 1 comprises a case 2 which includes a middle part 3, a base and a crystal (not shown), as well as, fixed on horns 4 of the middle part, a bracelet 5 for wearing on the wrist.
  • Watch 1 comprises, housed in case 2, a clockwork movement 6 which includes a plate 7 and, mounted on the plate, at least one clock mechanism 8 designed to ensure the display of the lunar day and the moon phase .
  • the mechanism 8 is also designed to ensure the display of the minutes and the hour of the average solar day, but such a display is optional and could be achieved by a separate mechanism.
  • Mechanism 8 belongs to the family of so-called astronomical complications; it is organized around a main axis A1 perpendicular to the general plane of the plate 7.
  • the main axis A1 is materialized by a shaft 10 which, in this example, is formed on a mobile 11 in the center, itself mounted on the plate 7.
  • This center mobile is here provided with a wheel 12 whose function does not intervene in the present framework.
  • the timer mobile 13 is rotated by a motor device (not shown) including a power source and a transmission. Since astronomical complications are usually associated with mechanical watches, it is preferable for the energy source to be a barrel spring associated with a spiral balance regulator. However, that the energy source is a battery associated with a quartz regulator would not depart from the scope of the present invention.
  • the mechanism 8 is designed to display the minutes and the time of the average solar day.
  • the mechanism 8 comprises a carriageway 17, mounted in rotation about the main axis A1 and provided with a pinion 18 for the minutes meshing with the large wheel 14, and with a tube 19 fitted (with the possibility of rotation) on the shaft 10 of the center mobile 11.
  • Pavement 17 carries a 20 minute hand which, as illustrated in the figure 4 , is driven onto the tube 19, at an upper end of the latter.
  • the mechanism 8 comprises a mobile 21 for the hours, mounted in rotation about the main axis A1 and provided with a wheel 22 for the hours meshing the wheel 15 with a medium, and a barrel 23 fitted (with the possibility of rotation) on the tube 19 of the roadway 17.
  • the mobile 21 of the hours carries a 24 hour hand which, as illustrated in the figure 4 , is driven out of the barrel 23, at an upper end thereof.
  • the hour mobile 21 performs a revolution around the main axis A1 in 12 hours.
  • the mechanism 8 comprises, firstly, a first rotating element 25 rotatably mounted around the main axis A1 and meshing the moving body 13 of the timer.
  • the first rotating element 25 comprises a toothed wheel, called the solar wheel 26 (or 24 hour wheel), which extends perpendicular to the main axis A1, and a barrel 27, integral with the solar wheel and which extends along the main A1 axis.
  • the barrel 27 is fitted (with the possibility of rotation) on the barrel 23 of the 21 hour mobile.
  • the barrel 27 is stepped, and comprises a lower stage 28, of which the solar wheel 26 is integral, and an upper stage 29, of diameter smaller than that of stage 28 lower.
  • the lower floor and the upper floor are separated by a shoulder 30.
  • the solar wheel 26 meshes with the small wheel 16 of the timer mobile 13.
  • the first rotating element 25 performs a revolution around the main axis A1 in 24 hours.
  • the first rotating element can serve as a measure of the average solar day. It can also be used to display the average solar day.
  • the first rotating element carries, at an upper end of the upper stage 29 of the barrel 27, a solar hand 31 (also called 24 hour hand), which to represent the sun can be round in shape and / or have an opening circular.
  • the mechanism 8 comprises, secondly, a moon bearing 32 rotatably mounted around the main axis A1.
  • the moon bearing is provided with a meridian wheel 33.
  • the moon bearing is also provided with a moon cover 34, fixed on the meridian wheel so as to be integral with it in rotation.
  • the meridian wheel and the moon cover form a single piece.
  • the hemispheres 36, 37 can be made distinct by applying a paint.
  • the hemispheres are hemispherical caps made of different materials and assembled to form the sphere 9.
  • the dark hemisphere 36 can be made of biotite mica, obsidian or any other mineral of dark color
  • the light hemisphere 37 can be made of metal (eg silver or gray gold), or in a light mineral (eg moonstone).
  • the radial axis A3 is formed by a pin 38 which passes through the sphere 9 and is integral with it in rotation.
  • the spindle is mounted in a sheath 39 fitted into a hole 40 made in the bearing 32 of the moon.
  • the radial axis A3 (that is to say the spindle 38) carries, at an internal end, a moon pinion 41, which is integral with it in rotation.
  • the moon pinion is housed in the internal cavity 35 of the moon bearing 32.
  • the mechanism 8 comprises, fourthly, a second rotating element 42, mounted in rotation about the main axis A1.
  • the second rotating element comprises an auxiliary wheel 43, which extends perpendicular to the main axis A1, and a bush 44 integral with the auxiliary wheel and which extends along the axis A1 main.
  • the second rotating element 42 is mounted on the first rotating element 25 with friction at their interface, denoted 45 (the interface is the surface where the first rotating element and the second rotating element make contact).
  • the sleeve 44 is frictionally fitted onto the barrel 27 of the first rotating element. More precisely still, the sleeve is fitted with friction on the lower stage 28 of the barrel.
  • This friction mounting aims to make the second rotating element 42 integral (in rotation about the main axis A1) with the first rotating element 25, as long as the torque, denoted C1, resulting from different circumferential forces acting respectively on the first rotating element and on the second rotating element is less than a friction torque, denoted CF, determining the adhesion limit at the interface 45.
  • the friction connection at the interface 45 between the second rotating element and the first rotating element can, in practice, be carried out by a lanterning 46, which is for example, as illustrated in the detail medallion of the figure 4 , in the form of a conical groove made in the barrel 27 of the first rotating element.
  • the second rotating element 42 is provided with a star wheel 47.
  • This peripheral-shaped star wheel 47 is, for example. cut externally in the socket 44. It includes a series of triangular teeth 48, which are here 30 in number but could be 29 in number, or 59 in number (which corresponds to the approximate number of half-days in one lunation).
  • the mechanism 8 comprises, fifthly, a central wheel 49, mounted on the first rotating element 25 and in gear engagement with the moon pinion 41.
  • This central wheel advantageously carries a toothing 50 in a crown (that is to say whose teeth extend parallel to the main axis A1) meshed by the pinion 41 of the moon.
  • the central wheel 49 is fitted onto the barrel 27 of the first rotating element 25. More specifically, the central wheel is fitted onto the shoulder 30. The interface between the central wheel and the first rotating element is sliding, so that the central wheel can rotate independently of the first rotating element.
  • the moon bearing 32 is mounted on the central wheel 49.
  • a smooth bearing 51 is interposed between them.
  • the mechanism 8 comprises, in the sixth place, a mobile 52 of the moon which couples in rotation, with reduction, the first element 25 turning to the wheel 33 of the meridian (and therefore to the bearing 32 of the moon) to allow the rotation of the moon landing by the first rotating element 25. More specifically, the moon mobile 52 couples in rotation the second rotating element 42 (integral in rotation with the first rotating element 25 as long as C1 ⁇ CF) with the meridian wheel.
  • the display of the lunar day is ensured by the circular path (that is to say the revolution) of the sphere 9 around the main axis A1.
  • the passage from the moon to the zenith is represented by the passage of the sphere 9 at twelve o'clock.
  • the watch is advantageously provided with a bar 55, visible to the wearer, and which represents the terrestrial horizon line.
  • the course of approximately 180 ° of the sphere 9 above the bar 55 represents the course of the moon in the visible sky (lunar day), while the course of approximately 180 ° of the sphere 9 below the bar shows the course of the moon in the invisible sky (lunar night).
  • the moon mobile 52 is advantageously mounted on a bridge 56 itself fixed on the plate 7. Its axis A4 of rotation is for example. formed by a screw in helical engagement with the bridge 56.
  • the mechanism 8 comprises, in seventh place, a transmission wheel 57 secured to the central wheel 49, designed to secure the latter in rotation to the second element 42 rotating in normal operation of the mechanism 8, and to allow their relative rotation on the contrary during a correction of the display, under conditions which will be set out below.
  • the transmission wheel 57 is provided externally with a toothing 58 and internally with at least one jumper 59.
  • the transmission wheel 57 is provided with a pair of diametrically opposite jumpers 59. This number is not limitative. Thus, three necklaces distributed at 120 ° could be provided.
  • the (or each) jumper 59 comprises a spring blade 60 (curve in the example illustrated), which extends in a notch 61 formed in the transmission wheel 57.
  • the leaf spring 60 extends from a fixed end 61 to a free end 63 counterclockwise (cf. figure 6 ).
  • the jumper 59 is also provided, at the free end of the spring blade, with a triangular head 64 of size and shape complementary to the space separating two neighboring teeth 48 from the star-shaped wheel 47.
  • the (or each) jumper 59 is in snap engagement (by its head 64) with the star wheel 47. In its position of equilibrium (in the absence of any constraint), the jumper 59 would occupy a position in which the head 64 would be spaced from the main axis A1 by a distance less than the radius of the star wheel.
  • the (or each) jumper 59 is snapped on by its head 64 between two teeth 48 adjacent to the star-shaped wheel 47.
  • the jumper 59 is held in this position by its own elastic return force which tends to urge the head 64 towards the main axis A1.
  • the second rotating element 42 integral with the first rotating element (and therefore driven by it in rotation) rotates around the main axis A1 in a clockwise direction (when seen from above).
  • the star wheel 47 therefore exerts on the head 64 of (or each) jumper 59 an effort which urges the latter into bracing, which tends to hold the head 64 between two teeth 48 adjacent to the star wheel.
  • the second rotating element (with the first rotating element) and the transmission wheel 57 are integral in rotation about the main axis A1, and jointly rotate clockwise around that -this ( figure 6 ).
  • the central wheel 49 is made integral with the transmission wheel 57 for example by means of feet 65, projecting from the central wheel, driven into holes drilled in the transmission wheel 57. Alternatively, this attachment can be achieved by screwing.
  • a driving torque is applied to the transmission wheel 57 to drive it in rotation around the main axis A1 (counterclockwise when viewed from above, cf. . figure 8 and figure 9 ), however, without this rotation being transmitted by the star wheel 47 to the second rotating element 42.
  • the second rotating element 42 mounted in friction on the first rotating element 25, provides resistance to the rotation of the transmission wheel 57, and the torque resulting from the circumferential forces is denoted by C2. different which are exerted respectively on the second rotating element 42 and on the transmission wheel 57.
  • the jump torque CS is less than the friction torque CF, that is: CS ⁇ CF
  • the application of the only torque C2 can never cause the second rotating element 42 to slip relative to the first rotating element 25.
  • the first element and the second rotating element therefore remain integral in rotation (and therefore fixed) during a correction of the moon phase.
  • the central wheel 49 (with the toothing 50 in a crown) rotates integrally with the second rotating element (and therefore with the first rotating element) at the rate of one complete revolution around the main axis A1 in 24 hours.
  • the mechanism 8 is equipped with a correction device 66 comprising a pinion 67 capable of meshing the moon mobile 52 to force the rotation of the moon bearing 32 around the main axis A1 via a first correction train which bypasses the transmission wheel 57 and which includes the moon wheel 52 and the meridian wheel 33.
  • a correction device 66 comprising a pinion 67 capable of meshing the moon mobile 52 to force the rotation of the moon bearing 32 around the main axis A1 via a first correction train which bypasses the transmission wheel 57 and which includes the moon wheel 52 and the meridian wheel 33.
  • the mechanism 8 is equipped with a correction device 66 which includes a pinion 67 capable of meshing the transmission wheel 57 to force the rotation of the sphere 9 around the axis A3 radial via a second train which comprises the transmission wheel, the central wheel 49, and the moon pinion 41.
  • a correction device 66 which includes a pinion 67 capable of meshing the transmission wheel 57 to force the rotation of the sphere 9 around the axis A3 radial via a second train which comprises the transmission wheel, the central wheel 49, and the moon pinion 41.
  • the mechanism 8 could include two separate correction devices for separately correcting the display of the lunar day and the display of the moon phase. To activate them separately, watch 1 could be equipped with two separate winders that the wearer (or a watchmaker) would handle independently of one another.
  • the mechanism 8 comprises a single device 66 for correcting the display of the lunar day and the moon phase.
  • the correction device 66 comprises a carrying pinion 68 which meshes with the sliding pinion 67, and at least one connecting rod 69 which couples the axes of rotation of the sliding pinion and the carrying pinion.
  • the correction device 66 comprises a pair of superimposed rods 69, arranged on either side of the carrier pinion and the sliding pinion.
  • the carrier pinion 68 is mounted on the bridge 56 in rotation about an axis A5 parallel to the main axis A1 and advantageously formed by a screw in helical engagement with the bridge 56.
  • the correction device 66 comprises a winder 70 provided with a rod 71 mounted as a pivot sliding around and along an axis A6 of the winder perpendicular to the main axis A1, and a crown 72 integral in rotation with the rod 71.
  • the rod passes through the middle part 3, the crown being accessible to the wearer.
  • the correction device 66 comprises a phase return gear (hereinafter more simply called phase return 73) which meshes the transmission wheel 57 and via which, in the moon phase adjustment position, the pinion 67 player meshes with the transmission wheel.
  • the phase gear is rotatably mounted on the bridge around an A7 axis in the form of a screw in helical engagement with the bridge 56.
  • the transmission of the rotation of the winder 70 to the carrier pinion 68 is advantageously via a gear train, which typically comprises a first gear 77, meshed by the sliding gear 76, and a second gear 78, interposed between the first gear and the gear carrier.
  • a gear train typically comprises a first gear 77, meshed by the sliding gear 76, and a second gear 78, interposed between the first gear and the gear carrier.
  • the mechanism 8 comprises a cover 79 in the form of a disc secured to the moon bearing 32 (and for example sandwiched between the meridian wheel 33 and the moon cover 34).
  • the cover 79 has an opening 80 with a circular outline in which the sphere 9 is housed. This cover, which rotates with the moon bearing 32, is intended to symbolize the sky.
  • the cover 79 carries symbols 81 (engraved, painted, or even projecting) representing a star constellation.
  • the correction of the display of the lunar day induces a rotation of the sphere 9 around its axis A3 and consequently a modification of the display of the moon phase. This is why The correction of the lunar day display must precede the correction of the moon phase display.
  • the shuttle 74 Before any correction, the shuttle 74 should be placed in the correction position, by pulling (conventionally for the wearer or the watchmaker) on the winding crown 72, which pushes the pinion 76 flowing towards the first return 77 for put them into gear.
  • the winding crown 72 To correct the display of the lunar day, the winding crown 72 must be turned in a determined direction which depends on the number of pinions in the gear train 77, 78. In the embodiment illustrated in the figure 7 , the winding crown must be turned clockwise when viewed along the A6 winding axis.
  • the rotation of the winding crown 72 then drives, via the gear train 77, 78, the carrier pinion 68 clockwise (when seen from above), which tends to rotate the links 69 also clockwise and causes (or maintains) the setting of gear of the sliding pinion 67 with the moon mobile 52.
  • the sphere 9 is driven in a movement of revolution around the main axis A1 in the counterclockwise direction. All these movements are illustrated by arrows on the figure 7 .
  • the rotation of the winding crown 72 is stopped when the angular position of the radial axis A3 of the sphere 9 around the main axis A1 is decreed correct, which completes the correction of the display of the lunar day.
  • the winding crown 72 must be turned in the opposite direction to the direction followed when correcting the display of the lunar day. In the example illustrated on the figure 8 , the winding crown 72 must be turned counterclockwise when viewed along the A6 winding axis.
  • the rotation of the winding crown 72 drives, via the gear train 77, 78, the pinion 68 carrying counterclockwise (when seen from above), which causes the connecting rods 69 to also tilt counterclockwise until it causes the worm gear pinion gear 67 with the phase gear 73.
  • the jump torque CS is less than the friction torque CF of the second element 42 rotating on the first element 25 rotating. Consequently, in spite of the rotation of the transmission wheel 57, the second rotating element remains fixed, since it is integral in rotation with the first rotating element, which is blocked by the timer mobile 13.
  • the jumper (s) 59 is (are) offset (s) radially and jumps (s) from one tooth to another as the rotation of the transmission wheel 57, as illustrated in dotted lines on the figure 9 .
  • the central wheel 49 integral in rotation with the transmission wheel 57, is driven, with its toothing 50, in rotation about the axis A1 in a clockwise direction.
  • this rotation of the central wheel causes, via the moon pinion 41 which it meshes, the rotation of the sphere 9 around its radial axis A3, clockwise (when seen according to the 'axis A3).
  • the sphere then rotates counterclockwise, which corresponds to its direction of rotation in operation. normal.
  • a second variant by accepting during a correction of the lunar day that the sphere 9 is driven in a movement of revolution around the main axis A1 in the clockwise direction, then the additional mobile can be introduced into the kinematic chain of the correction device 66.
  • each jump of the jumper (s) 59 from one tooth 48 to the other corresponds to a correction of one day.
  • each jump of the jumper (s) from one tooth to another corresponds to a correction of half a day.
  • the wearer or the watchmaker is informed of this correction (of one day or, respectively, of half a day) by the audible click accompanying the jump of the jumper (s).
  • the wearer pushes the winding crown 72, which translates the shuttle 74 by uncoupling the pinion 76 flowing from the first return 77.
  • correction device 66 allows, in a simple, effective, precise and reliable manner, to correct the lunar day and the moon phase in the mechanism 8. For the wearer or the watchmaker, only the direction of rotation determines the correction applied.

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  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)

Claims (15)

  1. Uhrenmechanismus (8) zum Anzeigen des Mondtags und der Mondphase, der umfasst:
    - ein erstes drehbares Element (25), das rotatorisch um eine Hauptachse (A1) montiert ist und mit einem Antriebsmechanismus (13) in Eingriff steht,
    - ein Mondlager (32), das mit einem Meridianrad (33) versehen ist und rotatorisch um die Hauptachse (A1) montiert ist,
    - eine Kugel (9), die den Mond darstellt und in Bezug auf das Mondlager um eine radiale Achse (A3) senkrecht zu der Hauptachse rotatorisch montiert ist, wobei die radiale Achse ein Mondritzel (41) trägt,
    - ein Monddrehteil (52), das das erste drehbare Element mit dem Meridianrad mit Untersetzung rotatorisch koppelt,
    - ein Zentralrad (49), das um die Hauptachse (A1) an dem ersten drehbaren Element rotatorisch montiert ist und mit dem Mondritzel in Eingriff steht,
    wobei der Mechanismus (8) dadurch gekennzeichnet ist, dass er umfasst:
    - ein zweites drehbares Element (42), das mit dem Monddrehteil (52) in Eingriff steht und mit Reibung an einer Grenzfläche (45) an dem ersten drehbaren Element (25) montiert ist, damit dieses drehfest an der Hauptachse (A1) befestigt ist, derart, dass das resultierende Drehmoment (C1) aus unterschiedlichen Umfangskräften, die auf das erste drehbare Element bzw. das zweite drehbare Element ausgeübt werden, kleiner ist als ein Reibungsdrehmoment (CF), das die Haftgrenze an der Grenzfläche (45) bestimmt, wobei das zweite drehbare Element zusammen mit dem Monddrehteil und dem Mondlager einen ersten Antriebsstrang stromabwärts des ersten drehbaren Elements bildet,
    - ein Übertragungsrad (57), das an dem Zentralrad (49) drehfest befestigt ist und außen mit einer Zahnung (58) und innen mit mindestens einer Hebelfeder (59) versehen ist, die in ein Sternrad (47) rastend eingreift, das an dem zweiten drehbaren Element drehfest befestigt ist, um dieses zweite drehbare Element mit dem Zentralrad drehbar zu koppeln, derart, dass das resultierende Drehmoment (C2) aus unterschiedlichen Umfangskräften, die auf das Sternrad bzw. das Übertragungsrad (57) ausgeübt werden, kleiner ist als ein Hebeldrehmoment (CS), oberhalb dessen die Hebelfeder (59) durch Gleiten auf dem Sternrad (47) radial versetzt wird, bis sie ausrastet, wobei die mindestens eine Hebelfeder und das Sternrad so konfiguriert sind, dass das Hebeldrehmoment kleiner ist als das Reibungsdrehmoment, wobei das Übertragungsrad zusammen mit dem Zentralrad und dem Mondritzel einen zweiten Antriebsstrang stromabwärts des Sternrades bildet,
    - ein System zur Korrektur der Anzeige des Mondtags, das ein erstes Antriebselement (67) umfasst, das geeignet ist, zumindest momentan eine Eingriffbeziehung mit dem ersten Antriebsstrang aufzuweisen, um die Drehung des Lagers (32) um die Hauptachse (A1) über ein erstes Korrekturräderwerk, das teilweise mindestens durch einen Teil des ersten Antriebsstrangs gebildet ist, zu erzwingen, wenn ein erstes Korrekturdrehmoment größer als das Reibungsdrehmoment von einem Benutzer auf dieses erste Korrekturräderwerk ausgeübt wird, und
    - ein System zur Korrektur der Mondphase, das ein zweites Antriebselement (67) umfasst, das geeignet ist, zumindest momentan eine Eingriffbeziehung mit dem zweiten Antriebsstrang aufzuweisen, um die Drehung der Kugel (9) um die radiale Achse (A3) über ein zweites Korrekturräderwerk, das zumindest teilweise durch einen Teil des zweiten Antriebsstrangs gebildet ist und von dem ersten Antriebsstrang unabhängig ist, zu erzwingen, wenn ein zweites Korrekturdrehmoment größer als das Hebeldrehmoment von einem Benutzer auf dieses zweite Korrekturräderwerk ausgeübt wird.
  2. Mechanismus (8) nach Anspruch 1, dadurch gekennzeichnet, dass das System zur Korrektur der Anzeige des Mondtags und das System zur Korrektur der Mondphase eine gemeinsame Korrekturvorrichtung (66) umfassen, um die Anzeige des Mondtags zu bewirken und die Anzeige der Mondphase ohne die Anzeige des Mondtags zu bewirken, wobei diese gemeinsame Korrekturvorrichtung einen Kupplungstrieb (67) enthält, der allein das erste und das zweite Antriebselement bildet, wobei dieser Kupplungstrieb zwei Einstellpositionen einnehmen kann, nämlich:
    - eine Position zum Einstellen des Mondtags, in der der Kupplungstrieb mit dem Monddrehteil (52) in Eingriff steht, um die Drehung des Mondlagers (32) um die Hauptachse (A1) zumindest über einen Teil des ersten Antriebsstrangs zu erzwingen;
    - eine Position zum Einstellen der Mondphase, in der der Kupplungstrieb mit dem Übertragungsrad (57) in Eingriff steht, um die Drehung der Kugel (9) um die radiale Achse (A3) zumindest über einen Teil des zweiten Antriebsstrangs zu erzwingen.
  3. Mechanismus (8) nach Anspruch 2, dadurch gekennzeichnet, dass die gemeinsame Korrekturvorrichtung (66) ein Trägerritzel (68), das mit dem Kupplungstrieb (67) in Eingriff steht, und mindestens eine Kurbelstange (69), die die Drehachsen des Kupplungstriebs (67) und des Trägerritzels miteinander koppelt, umfasst.
  4. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sternrad (47) und das zweite drehbare Element (42) koaxial und fest verbunden sind; und dass das Übertragungsrad (57) und das Zentralrad (49) koaxial und fest verbunden sind.
  5. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste Antriebselement geeignet ist, mit dem Monddrehteil zumindest während einer Korrektur der Anzeige des Mondtags in Eingriff zu stehen; und dass das zweite Antriebselement geeignet ist, mit dem Übertragungsrad zumindest während einer Korrektur der Mondphase in Eingriff zu stehen.
  6. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste drehbare Element (25) ein Zahnrad (26) umfasst, das sich senkrecht zur Hauptachse (A1) erstreckt und mit einem Stundenrohr (27), das sich längs der Hauptachse erstreckt, fest verbunden ist.
  7. Mechanismus (8) nach Anspruch 6, dadurch gekennzeichnet, dass das zweite drehbare Element (42) ein Hilfsrad (43) umfasst, das sich senkrecht zu der Hauptachse (A1) erstreckt und mit einer Hülse (44) fest verbunden ist, die mit Reibung auf das Stundenrohr (27) des ersten drehbaren Elements aufgesetzt ist.
  8. Mechanismus (8) nach Anspruch 7, dadurch gekennzeichnet, dass das Monddrehteil (52) zwei übereinanderliegende, fest verbundene Räder umfasst, nämlich:
    - ein unteres Rad (53), das mit dem Hilfsrad (43) des zweiten drehbaren Elements (42) in Eingriff steht;
    - ein oberes Rad (54), das mit dem Meridianrad (33) des Mondlagers (32) in Eingriff steht.
  9. Mechanismus (8) nach Anspruch 8, dadurch gekennzeichnet, dass:
    - das Hilfsrad des zweiten drehbaren Elements 64 Zähne aufweist,
    - das untere Rad des Monddrehteils 43 Zähne aufweist,
    - das obere Rad des Monddrehteils 37 Zähne aufweist,
    - das Meridianrad des Mondlagers 57 Zähne aufweist.
  10. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Zentralrad (49) eine Kronenzahnung (50) trägt, die mit dem Mondritzel (41) in Eingriff steht.
  11. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Zentralrad (49) an dem ersten drehbaren Element (25) frei drehbar montiert ist.
  12. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Mondlager (32) an dem Zentralrad (49) frei drehbar montiert ist.
  13. Mechanismus (8) nach Anspruch 12, dadurch gekennzeichnet, dass das Mondlager (32) an dem Zentralrad unter Zwischenpositionierung eines Gleitlagers (51) angebracht ist.
  14. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Übertragungsrad (57) ein Paar diametral gegenüberliegender Hebelfedern (59) aufweist.
  15. Mechanismus (8) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sternrad (47) 29, 30 oder 59 Zähne aufweist.
EP17201110.8A 2017-11-10 2017-11-10 Uhrmechanismus zum anzeigen des mondtags und der mondphase mit korrektursystem mit doppeltem antriebsstrang Active EP3483664B1 (de)

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EP17201110.8A EP3483664B1 (de) 2017-11-10 2017-11-10 Uhrmechanismus zum anzeigen des mondtags und der mondphase mit korrektursystem mit doppeltem antriebsstrang
US16/170,228 US11036185B2 (en) 2017-11-10 2018-10-25 Timepiece mechanism for displaying the lunar day and moon phase, with a correction system using a double kinematic chain
JP2018208712A JP6636598B2 (ja) 2017-11-10 2018-11-06 二重運動連鎖を使用する修正システムを有する、太陰日及び月相を表示する計時器機構
CN201811331213.7A CN109765775B (zh) 2017-11-10 2018-11-09 用于显示阴历日和月相的钟表机械装置

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EP3839657A1 (de) 2019-12-16 2021-06-23 Montres Breguet S.A. On-demand-anzeigemechanismus für uhr
EP3842875A1 (de) * 2019-12-23 2021-06-30 Blancpain SA Mondphasen-anzeigemechanismus
JP2023512520A (ja) * 2020-01-29 2023-03-27 プレシフレックス エスアー 天体表示
EP3923084B1 (de) * 2020-06-12 2024-07-24 ETA SA Manufacture Horlogère Suisse Antikorrektursystem einer anzeige für eine uhr
CH718104A1 (fr) * 2020-11-30 2022-05-31 Mft Dhorlogerie Audemars Piguet Sa Mécanisme d'affichage de phases de lune.
EP4009117A1 (de) * 2020-12-07 2022-06-08 CompliTime SA Animationsmechanismus für uhr
US20240027970A1 (en) * 2020-12-07 2024-01-25 Greubel Forsey S.A. Animation mechanism for a timepiece
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EP3483664A1 (de) 2019-05-15
US20190146414A1 (en) 2019-05-16
CN109765775B (zh) 2021-01-05

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