EP3241077B1 - Mechanism for indicating the phases of the moon - Google Patents

Mechanism for indicating the phases of the moon Download PDF

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Publication number
EP3241077B1
EP3241077B1 EP15808412.9A EP15808412A EP3241077B1 EP 3241077 B1 EP3241077 B1 EP 3241077B1 EP 15808412 A EP15808412 A EP 15808412A EP 3241077 B1 EP3241077 B1 EP 3241077B1
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EP
European Patent Office
Prior art keywords
moon
moon phase
dial
wheel
indicator mechanism
Prior art date
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EP15808412.9A
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German (de)
French (fr)
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EP3241077A1 (en
Inventor
Marco Rochat
Clément Barberat
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Blancpain SA
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Blancpain SA
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Publication of EP3241077A1 publication Critical patent/EP3241077A1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • 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
    • 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
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • 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
    • 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
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/04—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc
    • G04B45/046—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc the driving mechanism of the hands being invisible because of special shielding
    • 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
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/046—Indicating by means of a disc with a mark or window

Definitions

  • the toothed ring 27 has a diameter substantially identical to that of the dial, centered on the axis A, so as to move the moon on the periphery of the dial 11.
  • the toothed ring 27 is provided with a toothing 270 formed on the inner edge of the toothed ring 27.
  • toothed ring 27 having a toothing on the outer edge.
  • the friction system comprises a friction wheel formed by the toothed wheel 23 of the moon phase train 20.
  • the pinion 24 supported by the friction wheel 23 rotates between the blades 231 and 232 without rotate the friction wheel 23.

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un mécanisme indicateur de phases de lune pour les pièces d'horlogerie.The invention relates to a moon phase indicator mechanism for timepieces.

Arrière-plan de l'inventionBackground of the invention

Les dispositifs d'indication des phases de la lune existent depuis longtemps et comprennent un disque de lune sur lequel deux cercles de couleur jaune symbolisant la lune sont dessinés sur un fond de couleur foncée, tandis que ledit guichet de forme sensiblement semi-circulaire dans le cadran comporte une base séparée en deux parties concaves, le tout étant bien connu à l'homme du métier. Lors de la rotation de ce genre de disque de lune sous le guichet, les différentes phases de la lune sont affichées. De manière classique, le mécanisme de phase de lune est formé d'un rouage entraîné par une roue des heures et par le disque sur lequel sont apposées les deux représentations de la lune.The moon phase indicating devices have existed for a long time and include a moon disk on which two yellow circles symbolizing the moon are drawn on a dark background, while said window of substantially semicircular shape in the dial has a separate base in two concave parts, all of which is well known to those skilled in the art. When rotating this kind of moon disk under the window, the different phases of the moon are displayed. Conventionally, the moon phase mechanism is formed of a wheel driven by an hour wheel and the disk on which are affixed the two representations of the moon.

Par exemple, il est connu du document EP 2 009 517 de proposer une montre équipée d'un tel dispositif.For example, it is known from the document EP 2,009,517 to propose a watch equipped with such a device.

Un inconvénient d'un tel type de montre est que le mécanisme indicateur est actionné une fois par jour, ce qui ne permet pas un affichage réaliste des phases de lune. De plus, un mécanisme classique est compliqué à intégrer sur un mouvement et peut provoquer une surcharge de composant sur le mouvement et ainsi augmenter l'épaisseur de la boîte de montre, ce qui nuit à l'esthétique de cette dernière. Enfin, un tel mécanisme nécessite que l'indicateur de phases de lune soit activé à une heure déterminée, généralement dix-neuf heures, pour éviter un cumul des fonctions à minuit et entrainer une trop grosse perte d'amplitude du balancier-spiral.A disadvantage of such a type of watch is that the indicator mechanism is operated once a day, which does not allow a realistic display of moon phases. In addition, a conventional mechanism is complicated to integrate on a movement and can cause a component overload on the movement and thus increase the thickness of the watch case, which affects the aesthetics of the latter. Finally, such a mechanism requires that the moon phase indicator is activated at a given time, usually nineteen hours, to avoid a combination of functions at midnight and lead to excessive loss of amplitude of the sprung balance.

On connait du document WO2004/013708 un dispositif d'affichage de la phase lunaire actuelle visible en un point déterminé de la surface terrestre ainsi que de l'amplitude de la marée actuelle en un endroit donné de la surface ou d'une côte maritime. On connait aussi du document CH703447 un mécanisme pour entraîner un indicateur des phases de la lune, l'indicateur des phases de lune pouvant occuper pratiquement toute la surface du mouvement de manière à ce qu'elle soit particulièrement bien visible et occupe une part importante de la surface du cadran. Enfin, on connait aussi du document US5345429 une montre comprenant un mécanisme d'entraînement d'un dispositif d'affichage simulant le mouvement épicycloïdal de la lune autour de la terre avec le soleil pour centre.We know of the document WO2004 / 013708 a device for displaying the current lunar phase visible at a given point on the earth's surface as well as the amplitude of the current tide at a given location on the surface or on a seacoast. We also know document CH703447 a mechanism for driving a moon phase indicator, the moon phase indicator being able to occupy substantially the entire surface of the movement so that it is particularly visible and occupies a large part of the surface of the dial. Finally, we also know about the document US5345429 a watch comprising a drive mechanism of a display device simulating the epicyclic motion of the moon around the earth with the sun as a center.

Résumé de l'inventionSummary of the invention

L'invention a notamment pour objectif de pallier les différents inconvénients de ces techniques connues.The invention particularly aims to overcome the various disadvantages of these known techniques.

Plus précisément, un objectif de l'invention est de fournir une montre à affichage de phases de lune permettant un affichage plus réaliste des phases de lune.More specifically, an object of the invention is to provide a moon phase display allowing a more realistic display of moon phases.

Un autre objectif de l'invention est de fournir un mécanisme de phases de lune consommant peut d'énergie et ne nécessitant pas d'activation à une heure prédéterminée.Another object of the invention is to provide a moon phase mechanism that can consume energy and does not require activation at a predetermined time.

L'invention a également pour objectif, au moins dans un mode de réalisation particulier, de fournir un mécanisme de phases de lune qui soit simple et peu coûteux à mettre en oeuvre.The invention also aims, at least in a particular embodiment, to provide a moon phase mechanism that is simple and inexpensive to implement.

Ces objectifs, ainsi que d'autres qui apparaîtront plus clairement par la suite, sont atteints selon l'invention à l'aide d'un mécanisme indicateur de phases de lune, pour une pièce d'horlogerie munie d'un mouvement et d'un cadran, selon la revendication 1.These objectives, as well as others which will appear more clearly later, are achieved according to the invention using a moon phase indicator mechanism, for a timepiece equipped with a movement and a a dial according to claim 1.

Ainsi, l'objet de la présente invention, par ses différents aspects fonctionnels et structurels décrits dans la revendication 1, permet d'obtenir un mécanisme de phases de lune relativement compact tout en prodiguant une indication de la phase de lune plus réaliste.Thus, the object of the present invention, by its different functional and structural aspects described in claim 1, makes it possible to obtain a mechanism relatively compact moon phases while providing a more realistic indication of the moon phase.

Conformément à d'autres variantes avantageuses de l'invention :

  • la pièce intermédiaire se présente sous la forme d'un anneau avec un rebord périphérique saillant sur lequel est solidarisé au disque de lune ;
  • l'anneau denté est pourvu d'une denture ménagée sur le bord intérieur de l'anneau comprenant cent soixante-quinze dents ;
  • Le dispositif d'affichage de phases de lune comprend un unique disque de lune agencé pour faire le tour du cadran en un cycle de lunaison ;
  • le mouvement de la pièce d'horlogerie comprend au moins une roue des heures, le rapport de transmission entre la roue des heures et la roue des phase de lune est égal à 0.0169316 ;
  • Le dispositif d'affichage de phases de lune comprenant un dispositif de correction de la position du disque de lune agissant sur le rouage de phases de lune ;
  • le dispositif de correction comprend une couronne de correction, au moins un mobile correcteur solidaire du rouage de phases de lune, et un système à friction agencé pour désolidariser tout ou partie du rouage de phases de lune du mouvement lors de la correction de la position du disque de lune.
According to other advantageous variants of the invention:
  • the intermediate piece is in the form of a ring with a protruding peripheral rim on which is secured to the moon disk;
  • the toothed ring is provided with a toothing arranged on the inner edge of the ring comprising one hundred and seventy-five teeth;
  • The moon phase display device comprises a single moon disk arranged to circle the dial in a lunation cycle;
  • the movement of the timepiece comprises at least one hour wheel, the transmission ratio between the hour wheel and the moon phase wheel is equal to 0.0169316;
  • The moon phase display device comprising a device for correcting the position of the moon disk acting on the moon phase train;
  • the correction device comprises a correction ring, at least one corrective mobile integral with the moon phase gear train, and a friction system arranged to separate all or part of the moon phase train from the movement during the correction of the position of the moon. moon disk.

L'invention concerne aussi une pièce d'horlogerie comprenant un mécanisme de phases de lune conforme à l'invention.The invention also relates to a timepiece comprising a moon phase mechanism according to the invention.

Description sommaire des dessinsBrief description of the drawings

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figures 1a est une vue en perspective d'une montre équipée d'un mécanisme de phases de lune conforme à l'invention ;
  • la figures 1b est une vue éclatée de la figure 1a d'une montre équipée d'un mécanisme de phases de lune conforme à l'invention ;
  • les figures 2 et 3 sont respectivement des vue de dessus et en perspective d'une montre équipée d'un mécanisme de phases de lune conforme à l'invention ;
  • la figure 4 est vue détaillée de dessous du mécanisme de phases de lune conforme à l'invention ;
  • la figure 5 est une vue en coupe partielle d'une montre équipée d'un mécanisme de phases de lune selon un autre mode de réalisation.
Other particularities and advantages will emerge clearly from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • the figures 1a is a perspective view of a watch equipped with a moon phase mechanism according to the invention;
  • the figures 1b is an exploded view of the figure 1a a watch equipped with a moon phase mechanism according to the invention;
  • the Figures 2 and 3 are respectively views from above and in perspective of a watch equipped with a moon phase mechanism according to the invention;
  • the figure 4 is a detailed bottom view of the moon phase mechanism according to the invention;
  • the figure 5 is a partial sectional view of a watch equipped with a moon phase mechanism according to another embodiment.

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

Un dispositif d'affichage de phases de lune conforme à l'invention va maintenant être décrit dans ce qui suit faisant référence conjointement aux figures 1a, 1b, 2, 3, 4 et 5.A moon phase display device according to the invention will now be described in the following with reference to figures 1a , 1b , 2, 3 , 4 and 5 .

Tel qu'illustré à la figure 1, la montre 1 comporte une boîte 10 formant un logement dans lequel est monté le mouvement 3, la boîte étant surmontée d'une glace 4 fermant la face avant de la boîte 10. La montre comprend également un ensemble formant le cadran 11 centré sur un axe A, les aiguilles 12 coopérant avec le cadran pour indiquer l'heure courante. L'ensemble formant le cadran 11 comprend une partie supérieure décorative visible par le porteur de la montre, et une partie inférieure qui sert à maintenir et guider les axes du rouage de phases de lune.As illustrated in figure 1 the watch 1 comprises a box 10 forming a housing in which is mounted the movement 3, the box being surmounted by a window 4 closing the front face of the box 10. The watch also comprises a set forming the dial 11 centered on a axis A, the hands 12 cooperating with the dial to indicate the current time. The assembly forming the dial 11 comprises a decorative upper part visible by the wearer of the watch, and a lower part which serves to maintain and guide the axes of the moon phase train.

La montre comprend également un masque 13 d'axe A, disposé au-dessus du cadran 11, le masque 13 venant occulter en partie le cadran 11.The watch also comprises a mask 13 of axis A, disposed above the dial 11, the mask 13 partially obscuring the dial 11.

La montre est munie d'un dispositif d'affichage de phases de lune formé par une ouverture 14 pratiquée dans le masque 13, et au moins un disque de lune 15, monté mobile en rotation entre le masque 13 et l'ensemble 11. L'au moins un disque de lune 15 est disposé sur le diamètre extérieur du cadran 11, de façon à faire le tour du cadran 11 et que le disque de lune 15 simule une lune croissante lors de son apparition dans l'ouverture 14 et une lune décroissante lorsqu'il quitte l'ouverture 14.The watch is provided with a moon phase display device formed by an opening 14 made in the mask 13, and at least one moon disk 15, rotatably mounted between the mask 13 and 11. The at least one moon disc 15 is disposed on the outer diameter of the dial 11, so as to go around the dial 11 and the moon disk 15 simulates a rising moon when it appears in the dial. opening 14 and a decreasing moon as it leaves the opening 14.

Selon un premier mode de réalisation, le masque 13 peut être monté de manière fixe et indiquer au choix, les phases de lune dans l'hémisphère Nord ou bien dans l'hémisphère Sud.According to a first embodiment, the mask 13 can be mounted in a fixed manner and indicate, as desired, the moon phases in the northern hemisphere or in the southern hemisphere.

Selon un autre mode de réalisation, visible à la figure 5, le masque 13 peut être prévu mobile et peut alors passer d'une première position dans laquelle le disque de lune 15 indique les phases de lune dans l'hémisphère Nord, vers une deuxième position dans laquelle le disque de lune 15 indique les phases de lune dans l'hémisphère Sud.According to another embodiment, visible to the figure 5 the mask 13 can be movably provided and can then move from a first position in which the moon disk 15 indicates the moon phases in the northern hemisphere, to a second position in which the moon disk 15 indicates the phases of moon in the Southern Hemisphere.

Selon un aspect particulier de l'invention, le mécanisme de phases de lune comprend un unique disque de lune 15 qui est agencé pour faire le tour du cadran en un cycle de lunaison.According to a particular aspect of the invention, the moon phase mechanism comprises a single moon disk 15 which is arranged to go around the dial in a lunation cycle.

Tel que représenté, le masque 13 est centré sur l'axe A et présente une ouverture circulaire 14 excentrée par rapport à l'axe A.As shown, the mask 13 is centered on the axis A and has a circular opening 14 eccentric with respect to the axis A.

Comme on peut l'observer, le mécanisme de phases de lune est monté sur le côté cadran d'une platine 16, entre la platine 16 et l'ensemble formant le cadran 11.As can be seen, the moon phase mechanism is mounted on the dial side of a plate 16, between the plate 16 and the assembly forming the dial 11.

Le rouage de phases de lune 20 est entrainé par le mouvement 3 de la montre 1, et plus précisément par une roue des heures, non visible sur les figures. Le rouage des phases de lune 20 est agencé pour engrener avec une roue de phases de lune qui porte au moins indirectement et de manière fixe le disque de lune 15.The moon phase wheel 20 is driven by the movement 3 of the watch 1, and more precisely by a wheel hours, not visible in the figures. The cogwheel moon phase 20 is arranged to mesh with a moon phase wheel which at least indirectly and fixedly carries the moon disk 15.

Selon l'invention, la roue de phases de lune est formée par un anneau denté 27 coopérant avec le rouage de phases de lune 20 de manière à déplacer le disque de lune 15 autour de l'axe A.According to the invention, the moon phase wheel is formed by a toothed ring 27 cooperating with the moon phase train 20 so as to move the moon disk 15 around the axis A.

Plus précisément, le rouage de phases de lune 20 est monté sur la platine 16, et comprend une roue entraineuse 21 comprenant soixante dents et portant un pignon 22 à vingt dents, le pignon 22 engrainant une roue 23 à quarante-cinq dents portant un pignon 24 à vingt dents entre les lames 231 et 232. Le pignon 24 engraine avec une roue 25 à quarante-sept dents engrainant un pignon 26 à vingt dents coopérant avec l'anneau denté 27 à cent soixante-quinze dents recevant le disque de lune 15. Un tel agencement permet au disque de lune 15 d'effectuer un tour du cadran en 29.5306 jours, ce qui correspond exactement à un cycle de lunaison.More specifically, the moon phase wheel 20 is mounted on the plate 16, and comprises a driving wheel 21 comprising sixty teeth and carrying a pinion 22 to twenty teeth, the pinion 22 engraining a wheel 23 to forty-five teeth carrying a pinion 24 to 20 teeth between the blades 231 and 232. The pinion 24 engrains with a wheel 25 to 47 teeth engraining a pinion 26 with twenty teeth cooperating with the toothed ring 27 to one hundred and seventy-five teeth receiving the moon disk 15 Such an arrangement allows the moon disk 15 to rotate the dial 29.5306 days, which corresponds exactly to a lunation cycle.

Ainsi, le rapport de transmission entre la roue des heures et la roue des phase de lune est égal à 0.0169316. Avec un tel rouage de phases de lune 20, le différence journalière entre la lune vraie et la lune du mécanisme est d'environ cinquante-six secondes, de qui correspond à environ à un jour de décalage tous les cent vingt-huit ans, soit un mécanisme relativement précis.Thus, the transmission ratio between the hour wheel and the moon phase wheel is equal to 0.0169316. With such a cogwheel moon phase 20, the daily difference between the true moon and the moon of the mechanism is about fifty-six seconds, which corresponds to about one day's shift every one hundred and twenty-eight years, either a relatively precise mechanism.

Selon un mode de réalisation préférentiel de l'invention, l'anneau denté 27 présente un diamètre sensiblement identique à celui du cadran, centré sur l'axe A, de manière à déplacer la lune à la périphérie du cadran 11. Comme on peut l'observer sur les figures, l'anneau denté 27 est pourvu d'une denture 270 ménagée sur le bord intérieur de l'anneau dentée 27. Bien évidemment, l'homme du métier dispose des connaissances nécessaire pour pouvoir reproduire un mécanisme similaire avec un anneau denté 27 présentant une denture sur le bord extérieur.According to a preferred embodiment of the invention, the toothed ring 27 has a diameter substantially identical to that of the dial, centered on the axis A, so as to move the moon on the periphery of the dial 11. As can be seen in FIG. In the figures, the toothed ring 27 is provided with a toothing 270 formed on the inner edge of the toothed ring 27. Naturally, those skilled in the art have the necessary knowledge to be able to reproduce a similar mechanism with a tooth. toothed ring 27 having a toothing on the outer edge.

Comme on peut l'observer sur la figure 5, l'anneau denté 27 est monté sur une pièce intermédiaire 50 supportant le disque de lune 15, le disque de lune 15 pouvant par exemple être vissé par le biais d'une vis 5 sur la pièce intermédiaire. Avantageusement, la pièce intermédiaire entoure le cadran 11 ainsi que le mouvement 3. De manière avantageuse, la pièce intermédiaire 50, visible sur la figure 1, se présente sous la forme d'un anneau avec un rebord périphérique saillant sur lequel est solidarisé le disque de lune 15. La pièce intermédiaire 50 repose sur la platine 16 et peut présenter des rouleaux ou tout autre moyen permettant à la pièce intermédiaire 50 de se déplacer en rotation tout en limitant les frottements sur la platine 16. L'ensemble formée par le disque de lune 15, la pièce intermédiaire 50 et l'anneau dentée 27 forme un élément monobloc un fois assemblés entre eux, cet ensemble monobloc étant déplacé en rotation autour du cadran par rapport à l'axe A par le biais du rouage de phases de lune 20.As can be seen on the figure 5 , the toothed ring 27 is mounted on an intermediate piece 50 supporting the moon disk 15, the moon disk 15 may for example be screwed by means of a screw 5 on the intermediate piece. Advantageously, the intermediate piece surrounds the dial 11 and the movement 3. Advantageously, the intermediate piece 50, visible on the figure 1 , is in the form of a ring with a protruding peripheral rim on which is secured the 15. The intermediate piece 50 rests on the plate 16 and may have rollers or any other means allowing the intermediate piece 50 to move in rotation while limiting the friction on the plate 16. The assembly formed by the 15, the intermediate piece 50 and the toothed ring 27 form a monobloc element once assembled together, this one-piece assembly being rotated around the dial relative to the axis A through the work train of moon 20.

On peut également observer à la figure 5 que la montre 1 est munie d'un masque 13 mobile autour de l'axe A, le masque 13 pouvant être déplacé par des moyens d'entrainement commandés par la couronne 2.We can also observe at figure 5 that the watch 1 is provided with a mask 13 movable about the axis A, the mask 13 can be moved by drive means controlled by the ring 2.

Selon l'invention, le mécanisme indicateur de phases de lune est muni d'un dispositif de correction de la position du disque de lune agencé pour agir sur le rouage de phases de lune 20. Le dispositif de correction comprend une couronne de correction 2 agencée pour coopérer par engrènement avec au moins un mobile correcteur solidaire du rouage de phases de lune 20, et un système à friction agencé pour désolidariser tout ou partie du rouage de phases de lune 20 du mouvement lors de la correction de la position du disque de lune.According to the invention, the moon phase indicator mechanism is provided with a device for correcting the position of the moon disk arranged to act on the moon phase train 20. The correction device comprises a correction ring 2 arranged to cooperate by meshing with at least one corrective mobile unit of the moon phase gear train 20, and a friction system arranged to separate all or part of the moon phase gear train 20 during the correction of the position of the moon disk .

Tel qu'illustré à la figure 4, le dispositif de correction comprend un pignon correcteur 40 agencé pour engrener au moins indirectement avec la couronne 2 lorsqu'elle est positionné en position de correction. Le pignon correcteur 40 engrène avec une roue dentée 41 de correction engrenant une roue dentée intermédiaire 42 solidarisée à la roue dentée 25 du rouage de phases de lune 20.As illustrated in figure 4 , the correction device comprises a correction gear 40 arranged to mesh at least indirectly with the ring 2 when positioned in the correction position. The correction pinion 40 meshes with a correction gear wheel 41 meshing with an intermediate gear wheel 42 secured to the toothed wheel 25 of the moon phase gear train 20.

Comme on peut l'observer sur les figures 2 à 4, le système à friction comprend une roue à friction formée par la roue dentée 23 du rouage de phases de lune 20. Lorsque le dispositif de correction est enclenché, le pignon 24 supporté par la roue à friction 23 tourne entre les lames 231 et 232 sans entrainer en rotation la roue à friction 23.As can be seen on the Figures 2 to 4 , the friction system comprises a friction wheel formed by the toothed wheel 23 of the moon phase train 20. When the correction device is engaged, the pinion 24 supported by the friction wheel 23 rotates between the blades 231 and 232 without rotate the friction wheel 23.

L'invention concerne également une pièce d'horlogerie équipée d'un tel mécanisme indicateur de phases de lune conforme à l'invention.The invention also relates to a timepiece equipped with such moon phase indicator mechanism according to the invention.

Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme du métier.Of course, the present invention is not limited to the illustrated example but is susceptible of various variants and modifications that will occur to those skilled in the art.

NOMENCLATURENOMENCLATURE

1.1.
Montre,Watch,
10.10.
Boîte,Box,
11.11.
Cadran,Dial,
12.12.
Aiguilles,needles
13.13.
Masque,Mask,
14.14.
Ouverture,Opening,
15.15.
Disque de lune,Moon disk,
16.16.
Platine,Platinum,
2.2.
Couronne,Crowned,
3.3.
Mouvement,Movement,
4.4.
Glace,Ice cream,
5.5.
Pièce intermédiaire,Intermediate piece
50.50.
Vis,Screw,
20.20.
Rouage de phases de lune,Moon phase gear,
21.21.
Roue entraineuse,Driving wheel,
22.22.
Pignon,Pinion,
23.23.
Roue à friction,Friction wheel,
231,232.231.232.
Lames,blades,
24.24.
Pignon,Pinion,
25.25.
Roue,Wheel,
26.26.
Pignon,Pinion,
27.27.
Anneau denté,Toothed ring,
270.270.
Denture,teeth,
40.40.
Pignon de correction,Correction pinion,
41.41.
Roue de correction,Correction wheel,
42.42.
Roue intermédiaire,Intermediate wheel,
A.AT.
Axe.Axis.

Claims (8)

  1. Moon phase indicator mechanism, for a timepiece provided with a movement (3), comprising a dial (11), the moon phase indicator mechanism being arranged to be disposed on the movement (3) and comprising at least one moon disc (15) disposed on the dial (11), and at least one moon phase train (20) disposed underneath the dial and being arranged to be driven by the timepiece movement (3), the moon phase train (20) meshing with a moon phase wheel taking the form of a toothed ring (27) in order to move the moon disc (15) in rotation at the periphery of the dial (11) about an axis A arranged at the centre of the dial, by means of the moon phase train (20), the moon phase wheel carrying, at least indirectly and in a fixed manner, the moon disc (15) by means of an intermediate part (50), mounted on the toothed ring (27), the intermediate part (50) surrounding the dial (11) seen axially and being arranged to surround the movement (3) seen axially.
  2. Moon phase indicator mechanism according to claim 1, wherein the intermediate part (50) takes the form of a ring with a protruding peripheral rim on which the moon disc (15) is secured.
  3. Moon phase indicator mechanism according to claims 1 or 2, wherein the toothed ring (27) is provided with a toothing (270) arranged on the inner rim of the toothed ring (27) comprising one hundred and seventy-five teeth.
  4. Moon phase indicator mechanism according to claims 1 to 3, comprising a single moon disc (15) arranged to make one revolution of the dial (11) in one lunar cycle.
  5. Moon phase indicator mechanism according to claims 1 to 4, wherein the timepiece movement (3) further includes at least one hour wheel, the transmission ratio between the hour wheel and the moon phase wheel is equal to 0.0169316.
  6. Moon phase indicator mechanism according to claims 1 to 5, including a device for correcting the position of the moon disc (15) by acting on the moon phase train (20).
  7. Moon phase indicator mechanism device according to claim 6, wherein the correction device comprises a correction crown (2), at least one corrector wheel set integral with the moon phase train (20), and a friction system arranged to detach all or part of the moon phase train (20) from the movement (3) when the position of the moon disc (15) is corrected.
  8. Timepiece comprising a moon phase indicator mechanism according to claims 1 to 7.
EP15808412.9A 2014-12-31 2015-12-14 Mechanism for indicating the phases of the moon Active EP3241077B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14200745.9A EP3040789A1 (en) 2014-12-31 2014-12-31 Mechanism for indicating the phases of the moon
PCT/EP2015/079564 WO2016107730A1 (en) 2014-12-31 2015-12-14 Moon phase indicator mechanism

Publications (2)

Publication Number Publication Date
EP3241077A1 EP3241077A1 (en) 2017-11-08
EP3241077B1 true EP3241077B1 (en) 2019-03-20

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EP14200745.9A Withdrawn EP3040789A1 (en) 2014-12-31 2014-12-31 Mechanism for indicating the phases of the moon
EP15808412.9A Active EP3241077B1 (en) 2014-12-31 2015-12-14 Mechanism for indicating the phases of the moon

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EP (2) EP3040789A1 (en)
JP (1) JP6405467B2 (en)
KR (1) KR101979523B1 (en)
CN (1) CN107111276B (en)
RU (1) RU2664229C1 (en)
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EP3327516B1 (en) * 2016-10-27 2019-11-27 Blancpain SA Mechanism for displaying a temporal or seasonal period
USD853879S1 (en) * 2017-09-15 2019-07-16 Patek Philippe Sa Geneve Corrector for timepieces
CH715606A1 (en) 2018-11-30 2020-06-15 Rj Watches Sa Moon phase indicator mechanism for a timepiece.
EP3842875A1 (en) 2019-12-23 2021-06-30 Blancpain SA Mechanism for displaying the phases of the moon

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TW201629648A (en) 2016-08-16
CN107111276A (en) 2017-08-29
EP3040789A1 (en) 2016-07-06
KR101979523B1 (en) 2019-05-16
RU2664229C1 (en) 2018-08-15
JP6405467B2 (en) 2018-10-17
US10365611B2 (en) 2019-07-30
EP3241077A1 (en) 2017-11-08
KR20170088430A (en) 2017-08-01
TWI679504B (en) 2019-12-11
WO2016107730A1 (en) 2016-07-07
US20170364031A1 (en) 2017-12-21
JP2017538119A (en) 2017-12-21

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