EP0308793A1 - Clockwork movement with date and phases of the moon indicators - Google Patents

Clockwork movement with date and phases of the moon indicators Download PDF

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Publication number
EP0308793A1
EP0308793A1 EP88114996A EP88114996A EP0308793A1 EP 0308793 A1 EP0308793 A1 EP 0308793A1 EP 88114996 A EP88114996 A EP 88114996A EP 88114996 A EP88114996 A EP 88114996A EP 0308793 A1 EP0308793 A1 EP 0308793A1
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EP
European Patent Office
Prior art keywords
wheel
teeth
indicator
fifty
date
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
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EP88114996A
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German (de)
French (fr)
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EP0308793B1 (en
Inventor
Abraham Zaslawsky
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ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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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 object of the invention is a watch movement comprising a date indicator provided with thirty-one teeth and a moon phase indicator secured to a wheel with fifty-nine teeth and an intermediate mobile, driven in rotation by the movement of the watch at the rate of one revolution in twenty-four hours and which advances each of these indicators by one step each revolution.
  • An old Swiss patent (CH-A-13243) describes a mechanism comprising an intermediate wheel driven in rotation by the barrel wheel carrying the hour hand at the rate of one revolution in twenty-four hours.
  • This intermediate wheel is provided with two pins which, at each turn, advance by one step, respectively an eccentric wheel with thirty-one teeth, to indicate the successive dates, and a wheel with fifty-nine teeth, also eccentric, for indicate the corresponding moon phases.
  • a Vacheron & Constantin caliber (presented in the book “Modern watches-calendar” by B. Humbert, published in 1953 in the Editions of the “Swiss Watchmaking Journal", pages 96 and 97, Fig. 156) is equipped with a similar mechanism, in which the intermediate wheel is however driven in rotation, not by the hour wheel itself, but by a pinion fixed thereto. At each revolution, this intermediate wheel advances by one step, on the one hand, the wheel with thirty-one teeth, secured to the date indicator, using a pin, and, on the other hand , the wheel with fifty-nine teeth, secured to the moon phase indicator, using a finger. In this caliber, the wheel with thirty-one teeth is mounted in the center of the movement, which allows it to set an indicator of the same diameter as the movement.
  • the invention aims to create a movement of the type indicated at the start, which can be of smaller caliber than those of known movements, the operation of which is nevertheless assured, in particular without reducing the tolerances below the usual limits.
  • the displacements of the intermediate wheel are advantageously used to drive the mentioned indicators.
  • Those defined by claim 3 specify the drive members of these indicators, preferably used, which makes the manufacture of the intermediate mobile particularly easy.
  • Claim 4 defines the most advantageous direction of movement of this intermediate mobile.
  • claim 5 allow mounting of the indicators mentioned on the watch movement as simple as effective and advantageous.
  • FIG. 1 a movement with a plate 10, a dial 12, hands 14 and a time-setting crown 16.
  • the dial 12 has windows 18 and 20 through which date indicators 22 appear respectively and moon phases 24.
  • the dial and the moon phase indicator have been removed, so that it is possible to see the mechanism for driving the indicators.
  • an hour wheel 26 which carries the hour hand, as well as a six-tooth wheel 28.
  • This wheel 28 meshes with an intermediate mobile 30 schematically shown and swivels on a stud 32 fixed to the plate 10.
  • the date indicator 22 is integral with a toothing 34 comprising thirty-one teeth which together form a ring 35.
  • the ring 35 is pivotally mounted on the plate 10, at the periphery and coaxially with the hands.
  • the moon phase indicator 24 is fixed to a wheel 36 comprising fifty-nine teeth and pivotally mounted on the barrel of the hour wheel 26.
  • the toothing 34 and the wheel 36 are driven by the mobile 30, by means which will be specified with reference to FIGS. 3 and 4.
  • the indicators 22 and 24 are positioned by jumper springs 37 and 38 which cooperate respectively with the toothing 34 and the teeth of the wheel 36.
  • the mobile 30 has twelve teeth and therefore performs one revolution in twenty-four hours.
  • This mobile 30 has a cutout, which defines two flat cam surfaces 39, 40 and an elastic arm 42.
  • the arm 42 maintains, in all the angular positions of the mobile 30, the cam surfaces 39, 40 bearing against the cylindrical stud fixed 32, which has a flat 44.
  • This mobile 30 has a first drive member, which is constituted by a tooth 46, longer than the others and of particular profile.
  • the tooth 46 grasps a tooth of the toothing 34, of which only a part is shown in FIG. 3.
  • the tooth 46 advances the toothing 34 in a step as described below.
  • the wheel 30 also carries a pin 48, which constitutes a second drive member. At each revolution of the wheel 30, the pin 48 grasps a tooth of the wheel with fifty-nine teeth 36 and advances it by one step. As the synodic revolution of the moon has a duration of approximately twenty-nine and a half days, that is to say the duration between two successive conjunctions with the sun, the wheel 36 makes one revolution approximately in two lunar months.
  • the tip of the tooth 46 would pass through the arc of a circle 50.
  • the cam surface 39 began to pivot around the edge 52 of the pad 32, until this cam surface 39 is pressed against the flat 44, then it continues its movement by pivoting around the edge 54 of the pad 32.
  • the tip of the tooth 46 thus traverses the curve 56.
  • the tooth 46 plunges more deeply into the teeth of the ring 35 than if the intermediate mobile 30 was fixed on a pivoted axis in fixed bearings, as was the case in known movements. In this way, the drive of the ring 35 is ensured, even if the dimensions of the movement are reduced.
  • tooth 46 came into contact with tooth 58 of ring 35, which then occupied the position of tooth 60, and brought this tooth 58 with it, until the edge of the jumper 37 has passed beyond a tooth of the ring 35.
  • the jumper 37 which abruptly completed the advance of the ring 35 until the moment when it is engaged in the next inter-tooth of the toothing of the ring 35.
  • the mobile 30 As the cam surface 39 pivots around the edge 54 of the stud 32, the mobile 30 progressively moves away from the ring 35 while approaching the wheel 36. During this angle of rotation of the mobile 30, the pin 48 follows the arc of a curve 62, plunging into the teeth of the wheel 36.
  • the position shown in the drawing is that in which the pin 48 has precisely come into contact with the tooth 64 of the wheel 36.
  • the mobile 30 will drive the tooth 64, using the pin 48, fairly far so that the jumper 38 cooperating with the wheel 36 passes into the next inter-tooth, abruptly completing the advance of this wheel 36.
  • the pin 48 By actuating the time-setting crown so as to rotate the hands counterclockwise, the pin 48 comes into contact with the tooth of the wheel 36, which occupies the position of the tooth 64. It therefore drives the wheel 36 backwards, but not far enough for the corresponding jumper to engage in the previous inter-tooth, because the pin 48 traverses the arc 62 in the opposite direction, which moves it away from the wheel 36 and does it quickly come out of the teeth of this wheel.
  • This arrangement allows the updating of the moon phase indicator simply by rotating the hands of the watch successively back and forth so as to pass the pin 48 first behind the tooth which occupies the position of the tooth 64 without ultimately changing the position of this tooth, and then driving this tooth to advance the wheel 36 by one step.
  • the updating of the ring 35 can be carried out in a similar manner.
  • the movement of the watch will however be equipped with a known mechanism, which makes it possible to drive the ring 35 rapidly around the movement, by actuating in rotation the time setting crown previously pulled out to the middle axial position.

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  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

A watch movement has indicators for the date and the phases of the moon, these two indicators being automatically driven by the same intermediate revolving wheel member effecting one revolution every 24 hours, the one indicator by one tooth longer than the others and the other indicator by a pin which acts on a wheel having fifty-nine teeth integral with the indicator of the phases of the moon. A satisfactory engagement of the driving members in the corresponding teeth is ensured by a transverse displacement of the revolving wheel member resulting from the fact that a resilient arm of this revolving wheel member holds the edges thereof resting permanently against a fixed cylindrical stud having a flat surface.

Description

L'objet de l'invention est un mouvement de montre comprenant un indicateur du quantième muni d'une denture de trente et une dents et un indicateur de phases de lune solidaire d'une roue à cinquante-­neuf dents et un mobile intermédiaire, entraîné en rotation par le mouvement de la montre à raison d'un tour en vingt-quatre heures et qui fait avancer chacun de ces indicateurs d'un pas à chaque tour.The object of the invention is a watch movement comprising a date indicator provided with thirty-one teeth and a moon phase indicator secured to a wheel with fifty-nine teeth and an intermediate mobile, driven in rotation by the movement of the watch at the rate of one revolution in twenty-four hours and which advances each of these indicators by one step each revolution.

Des mouvements de ce type sont connus depuis fort longtemps. Un ancien brevet suisse (CH-A-13243) décrit un mécanisme comprenant une roue intermédiaire entraînée en rotation par la roue à canon portant l'aiguille des heures à raison d'un tour en vingt-quatre heures. Cette roue intermédiaire est munie de deux goupilles qui, à chaque tour, font avancer d'un pas, respectivement une roue excentrée à trente et une dents, pour indiquer les quantièmes successifs, et une roue à cinquante-neuf dents, également excentrée, pour indiquer les phases correspondantes de lune.Movements of this type have been known for a very long time. An old Swiss patent (CH-A-13243) describes a mechanism comprising an intermediate wheel driven in rotation by the barrel wheel carrying the hour hand at the rate of one revolution in twenty-four hours. This intermediate wheel is provided with two pins which, at each turn, advance by one step, respectively an eccentric wheel with thirty-one teeth, to indicate the successive dates, and a wheel with fifty-nine teeth, also eccentric, for indicate the corresponding moon phases.

Pour que les quantièmes de l'indicateur solidarisé à la roue ex­centrée à trente et une dents soient lisibles, le mécanisme décrit dans ce brevet ne peut être monté que sur un mouvement de montre de poche.So that the dates of the indicator secured to the eccentric wheel with thirty-one teeth are legible, the mechanism described in this patent can only be mounted on a pocket watch movement.

Un calibre Vacheron & Constantin (présenté dans l'ouvrage "Les montres-calendrier modernes" de B. Humbert, paru en 1953 aux Edi­tions du "Journal suisse d'horlogerie", pages 96 et 97, Fig. 156) est équipé d'un mécanisme analogue, dans lequel la roue intermé­diaire est toutefois entraînée en rotation, non par la roue des heures elle-même, mais par un pignon fixé à celle-ci. A chaque tour, cette roue intermédiaire fait avancer d'un pas, d'une part, la roue à trente et une dents, solidaire de l'indicateur du quantième, à l'aide d'une goupille, et, d'autre part, la roue à cinquante-neuf dents, solidaire de l'indicateur des phases de lune, à l'aide d'un doigt. Dans ce calibre, la roue à trente et une dents est montée au centre du mouvement, ce qui permet de lui fixer un indicateur de même diamètre que le mouvement.A Vacheron & Constantin caliber (presented in the book "Modern watches-calendar" by B. Humbert, published in 1953 in the Editions of the "Swiss Watchmaking Journal", pages 96 and 97, Fig. 156) is equipped with a similar mechanism, in which the intermediate wheel is however driven in rotation, not by the hour wheel itself, but by a pinion fixed thereto. At each revolution, this intermediate wheel advances by one step, on the one hand, the wheel with thirty-one teeth, secured to the date indicator, using a pin, and, on the other hand , the wheel with fifty-nine teeth, secured to the moon phase indicator, using a finger. In this caliber, the wheel with thirty-one teeth is mounted in the center of the movement, which allows it to set an indicator of the same diameter as the movement.

En raison de la finesse des dents de la roue à cinquante-neuf dents, l'ajustage des mobiles correspondants de ce mécanisme doit être particulièrement bien soigné. La moindre imprécision aurait pour conséquence, dans un sens, que le doigt devant entraîner la roue à cinquante-neuf dents ne déplacerait pas cette roue suffisam­ment pour que le sautoir coopérant avec elle passe dans l'entre-dent suivant, et, dans le sens opposé, que le doigt en question risque­rait d'entraîner deux dents à la fois, lors du même passage, voire de se coincer au fond de la denture de la roue à cinquante-neuf dents. Ce problème est particulièrement marqué dans le montres bracelet, plus petites que les montres de poche.Due to the fineness of the teeth of the fifty-nine tooth wheel, the adjustment of the corresponding mobiles of this mechanism must be particularly careful. The slightest imprecision would have the consequence, in a sense, that the finger intended to drive the wheel with fifty-nine teeth would not move this wheel enough for the jumper cooperating with it to pass into the next inter-tooth, and opposite, that the finger in question would risk driving two teeth at the same time, during the same passage, or even getting stuck at the bottom of the toothing of the wheel with fifty-nine teeth. This problem is particularly marked in wristwatches, which are smaller than pocket watches.

L'invention vise à créer un mouvement du type indiqué au début, qui puisse être de calibre plus petit que ceux des mouvements connus, dont le fonctionnement soit néanmoins assuré, notamment sans réduire les tolérances en deçà des limites usuelles.The invention aims to create a movement of the type indicated at the start, which can be of smaller caliber than those of known movements, the operation of which is nevertheless assured, in particular without reducing the tolerances below the usual limits.

Elle y parvient grâce aux moyens définis par la revendication 1.It achieves this by means defined by claim 1.

Dans les formes spéciales d'exécution définies par la revendica­tion 2, les déplacements de la roue intermédiaire sont avantageuse­ment utilisés pour entraîner les indicateurs mentionnés.In the special embodiments defined by claim 2, the displacements of the intermediate wheel are advantageously used to drive the mentioned indicators.

Celles définies par la revendication 3 précisent des organes d'entraînement de ces indicateurs, utilisés de préférence, ce qui rend la fabrication du mobile intermédiaire particulièrement aisée.Those defined by claim 3 specify the drive members of these indicators, preferably used, which makes the manufacture of the intermediate mobile particularly easy.

La revendication 4 définit la direction la plus avantageuse du déplacement de ce mobile intermédiaire.Claim 4 defines the most advantageous direction of movement of this intermediate mobile.

Les particularités définies par la revendication 5 permettent un montage des indicateurs mentionnés sur le mouvement de la montre aussi simple qu'efficace et avantageux.The features defined by claim 5 allow mounting of the indicators mentioned on the watch movement as simple as effective and advantageous.

Enfin, celles définies par la revendication 6 permettent une mise à jour aisée de l'indicateur des phases de lune, en évitant notamment un poussoir extérieur au boîtier de la montre.Finally, those defined by claim 6 allow easy updating of the moon phase indicator, in particular by avoiding a push button outside the watch case.

On connaissait déjà un mécanisme de quantième comportant des moyens qui, au cours d'un angle prédéterminé de rotation du mobile intermédiaire, déplace ce dernier en direction de l'indicateur de quantième. Des solutions de ce type sont décrites dans les brevets CH-B-651 440 et CH-B-604 233. Le mécanisme objet de ce dernier brevet comprend en outre un indicateur du jour de la semaine, ainsi que des moyens d'entraînement de cet indicateur. Dans ce mécanisme, les indicateurs de quantième et de jour sont entraînés simultané­ment.We already knew a date mechanism comprising means which, during a predetermined angle of rotation of the intermediate mobile, moves the latter in the direction of the date indicator. Solutions of this type are described in patents CH-B-651,440 and CH-B-604,233. The mechanism which is the subject of this latter patent furthermore includes an indicator of the day of the week, as well that means for driving this indicator. In this mechanism, the date and day indicators are driven simultaneously.

Une forme d'exécution du mouvement selon l'invention est repré­sentée schématiquement et à simple titre d'exemple au dessin dont :

  • - les figures 1 et 2 sont des vues en plan d'un mouvement selon l'invention respectivement avec et sans cadran; et
  • - les figures 3 et 4 représentent respectivement des vues en plan et en coupe du mécanisme d'entraînement des indicateurs de quantième et de phases de lune.
An embodiment of the movement according to the invention is shown schematically and simply by way of example in the drawing, in which:
  • - Figures 1 and 2 are plan views of a movement according to the invention respectively with and without a dial; and
  • - Figures 3 and 4 respectively show plan and sectional views of the drive mechanism of the date and moon phase indicators.

Sur la figure 1 est représenté un mouvement avec une platine 10, un cadran 12, des aiguilles 14 et une couronne de mise à l'heure 16. Le cadran 12 comporte des fenêtres 18 et 20 au travers desquelles apparaissent respectivement des indicateurs de date 22 et de phases de lune 24.In FIG. 1 is shown a movement with a plate 10, a dial 12, hands 14 and a time-setting crown 16. The dial 12 has windows 18 and 20 through which date indicators 22 appear respectively and moon phases 24.

Sur la figure 2, le cadran et l'indicateur de phases de lune ont été retirés, de sorte qu'il est possible de voir le mécanisme d'entraînement des indicateurs. Au centre du mouvement se trouve une roue des heures 26, qui porte l'aiguille des heures, ainsi qu'une roue à six dents 28. Cette roue 28 engrène avec un mobile intermé­diare 30 schématiquement représenté et pivotant sur un plot 32 fixé à la platine 10. L'indicateur de date 22 est solidaire d'une denture 34 comportant trente et une dents qui forment ensemble un anneau 35. L'anneau 35 est monté pivotant sur la platine 10, à périphérie et coaxialement aux aiguilles. L'indicateur de phases de lune 24 est fixé à une roue 36 comprenant cinquante-neuf dents et montée pivo­tante sur le canon de la roue des heures 26. La denture 34 et la roue 36 sont entraînées par le mobile 30, par des moyens qui seront précisés en référence aux figures 3 et 4. Les indicateurs 22 et 24 sont positionnés par des ressorts sautoirs 37 et 38 qui coopèrent respectivement avec la denture 34 et les dents de la roue 36.In FIG. 2, the dial and the moon phase indicator have been removed, so that it is possible to see the mechanism for driving the indicators. At the center of the movement is an hour wheel 26, which carries the hour hand, as well as a six-tooth wheel 28. This wheel 28 meshes with an intermediate mobile 30 schematically shown and swivels on a stud 32 fixed to the plate 10. The date indicator 22 is integral with a toothing 34 comprising thirty-one teeth which together form a ring 35. The ring 35 is pivotally mounted on the plate 10, at the periphery and coaxially with the hands. The moon phase indicator 24 is fixed to a wheel 36 comprising fifty-nine teeth and pivotally mounted on the barrel of the hour wheel 26. The toothing 34 and the wheel 36 are driven by the mobile 30, by means which will be specified with reference to FIGS. 3 and 4. The indicators 22 and 24 are positioned by jumper springs 37 and 38 which cooperate respectively with the toothing 34 and the teeth of the wheel 36.

Sur la figure 3, on peut voir que le mobile 30 a douze dents et effectue donc un tour en vingt-quatre heures. Ce mobile 30 présente une découpure, qui définit deux surfaces de came planes 39, 40 et un bras élastique 42. Le bras 42 maintient, dans toutes les positions angulaires du mobile 30, les surfaces de came 39, 40 en appui contre le plot cylindrique fixe 32, qui présente un méplat 44.In Figure 3, we can see that the mobile 30 has twelve teeth and therefore performs one revolution in twenty-four hours. This mobile 30 has a cutout, which defines two flat cam surfaces 39, 40 and an elastic arm 42. The arm 42 maintains, in all the angular positions of the mobile 30, the cam surfaces 39, 40 bearing against the cylindrical stud fixed 32, which has a flat 44.

Ce mobile 30 présente un premier organe d'entraînement, qui est constitué par une dent 46, plus longue que les autres et de profil particulier. A chaque tour du mobile 30, la dent 46 saisit une dent de la denture 34, dont seule une partie est représentée à la figure 3. A chaque passage, la dent 46 fait avancer la denture 34 d'un pas d'une façon décrite ci-après.This mobile 30 has a first drive member, which is constituted by a tooth 46, longer than the others and of particular profile. At each revolution of the mobile 30, the tooth 46 grasps a tooth of the toothing 34, of which only a part is shown in FIG. 3. At each passage, the tooth 46 advances the toothing 34 in a step as described below.

La roue 30 porte encore une goupille 48, qui constitue un second organe d'entraînement. A chaque tour de la roue 30, la goupille 48 saisit une dent de la roue à cinquante-neuf dents 36 et la fait avancer d'un pas. Comme la révolution synodique de la lune a une durée d'environ vingt-neuf jours et demi, soit la durée entre deux conjonctions successives avec le soleil, la roue 36 effectue un tour approximativement en deux lunaisons.The wheel 30 also carries a pin 48, which constitutes a second drive member. At each revolution of the wheel 30, the pin 48 grasps a tooth of the wheel with fifty-nine teeth 36 and advances it by one step. As the synodic revolution of the moon has a duration of approximately twenty-nine and a half days, that is to say the duration between two successive conjunctions with the sun, the wheel 36 makes one revolution approximately in two lunar months.

Si le plot 32 était entièrement cylindrique, la pointe de la dent 46 parcourerait l'arc de cercle 50. Avant d'arriver dans la position représentée au dessin, la surface de came 39 a toutefois commencé à pivoter autour de l'arête 52 du plot 32, jusqu'à ce que cette surface de came 39 se soit plaquée contre le méplat 44, puis elle a poursuivi son mouvement en pivotant autour de l'arête 54 du plot 32. Au cours de l'angle de rotation décrit du mobile 30, celui-­ci se déplace évidemment en direction de l'anneau 35. La pointe de la dent 46 parcourt ainsi la courbe 56. Autrement dit, la dent 46 plonge plus profondément dans la denture de l'anneau 35 que si le mobile intermédiaire 30 était calé sur un axe pivoté dans des paliers fixes, ainsi que c'était le cas dans les mouvements connus. De cette façon, l'entraînement de l'anneau 35 est assuré, même si les dimensions du mouvement sont réduites.If the stud 32 was entirely cylindrical, the tip of the tooth 46 would pass through the arc of a circle 50. Before arriving in the position shown in the drawing, the cam surface 39 however began to pivot around the edge 52 of the pad 32, until this cam surface 39 is pressed against the flat 44, then it continues its movement by pivoting around the edge 54 of the pad 32. During the described rotation angle of the mobile 30, it obviously moves in the direction of the ring 35. The tip of the tooth 46 thus traverses the curve 56. In other words, the tooth 46 plunges more deeply into the teeth of the ring 35 than if the intermediate mobile 30 was fixed on a pivoted axis in fixed bearings, as was the case in known movements. In this way, the drive of the ring 35 is ensured, even if the dimensions of the movement are reduced.

Au cours de la plongée décrite, la dent 46 est entrée en contact avec la dent 58 de l'anneau 35, qui occupait alors la position de la dent 60, et a entraîné cette dent 58 avec elle, jusqu'à ce que l'arête du sautoir 37 ait passé au-delà d'une dent de l'anneau 35. A cet instant, c'est le sautoir 37 qui a parachevé brusquement l'avance de l'anneau 35 jusqu'au moment où il s'est engagé dans l'entre-dent suivant de la denture de l'anneau 35.During the described dive, tooth 46 came into contact with tooth 58 of ring 35, which then occupied the position of tooth 60, and brought this tooth 58 with it, until the edge of the jumper 37 has passed beyond a tooth of the ring 35. At this instant, it is the jumper 37 which abruptly completed the advance of the ring 35 until the moment when it is engaged in the next inter-tooth of the toothing of the ring 35.

Au fur et à mesure que la surface de came 39 pivote autour de l'arête 54 du plot 32, le mobile 30 s'éloigne progressivement de l'anneau 35 en se rapprochant de la roue 36. Au cours de cet angle de rotation du mobile 30, la goupille 48 suit l'arc de courbe 62, en plongeant dans la denture de la roue 36.As the cam surface 39 pivots around the edge 54 of the stud 32, the mobile 30 progressively moves away from the ring 35 while approaching the wheel 36. During this angle of rotation of the mobile 30, the pin 48 follows the arc of a curve 62, plunging into the teeth of the wheel 36.

La position représentée au dessin est celle dans laquelle la goupille 48 est précisément entrée en contact avec la dent 64 de la roue 36. En poursuivant sa rotation, le mobile 30 va entraîner la dent 64, à l'aide de la goupille 48, assez loin pour que le sautoir 38 coopérant avec la roue 36 passe dans l'entre-dent suivant, en parachevant brusquement l'avance de cette roue 36.The position shown in the drawing is that in which the pin 48 has precisely come into contact with the tooth 64 of the wheel 36. By continuing its rotation, the mobile 30 will drive the tooth 64, using the pin 48, fairly far so that the jumper 38 cooperating with the wheel 36 passes into the next inter-tooth, abruptly completing the advance of this wheel 36.

On constate que grâce au mouvement particulier du mobile, il est possible d'augmenter la sécurité entre la goupille 48 et la dent suivant la dent 64 comparativement à la sécurité que permettrait un mobile pivotant dans un palier fixe.It is noted that thanks to the particular movement of the mobile, it is possible to increase the security between the pin 48 and the tooth along the tooth 64 compared to the security that a mobile pivoting in a fixed bearing would allow.

En actionnant la couronne de mise à l'heure de manière à faire tourner les aiguilles dans le sens antihorairee, la goupille 48 entre en contact avec la dent de la roue 36, qui occupe la position de la dent 64. Elle entraîne donc la roue 36 en arrière, mais pas suffi­samment loin pour que le sautoir correspondant s'engage dans l'entre-dent précédent, car la goupille 48 parcourt l'arc 62 en sens inverse, ce qui l'éloigne de la roue 36 et la fait rapidement sortir de la denture de cette roue. Cet agencement permet la mise à jour de l'indicateur des phases de lune simplement en faisant tourner les aiguilles de la montre successivement en arrière et en avant de manière à faire passer la goupille 48 d'bord derrière la dent qui occupe la position de la dent 64 sans changer en définitive la position de cette dent, et ensuite, à entraîner cette dent pour faire avancer la roue 36 d'un pas.By actuating the time-setting crown so as to rotate the hands counterclockwise, the pin 48 comes into contact with the tooth of the wheel 36, which occupies the position of the tooth 64. It therefore drives the wheel 36 backwards, but not far enough for the corresponding jumper to engage in the previous inter-tooth, because the pin 48 traverses the arc 62 in the opposite direction, which moves it away from the wheel 36 and does it quickly come out of the teeth of this wheel. This arrangement allows the updating of the moon phase indicator simply by rotating the hands of the watch successively back and forth so as to pass the pin 48 first behind the tooth which occupies the position of the tooth 64 without ultimately changing the position of this tooth, and then driving this tooth to advance the wheel 36 by one step.

Pour assurer cette mise à jour de l'indicateur des phases de lune dans les meilleures conditions possibles, il suffit d'agencer les moyens qui déplacent transversalement le mobile 30 de manière que l'organe d'entraînement de la roue 36 commence à se rapprocher de cette roue dès que l'autre organe d'entraînement a pousse l'an­neau 35 au-delà d la pointe de son sautoir.To ensure this updating of the moon phase indicator in the best possible conditions, it suffices to arrange the means which transversely move the mobile 30 so that the drive member of the wheel 36 begins to approach. of this wheel as soon as the other drive member has pushed the ring 35 beyond the point of its jumper.

La mise à jour de l'anneau 35 peut s'effectuer de façon simi­laire. De préférence, le mouvement de la montre sera toutefois équipé d'un mécanisme connu, qui permet d'entraîner l'anneau 35 rapidement autour du mouvement, en actionnant en rotation la couronne de mise à l'heure préalablement tirée en position axiale moyenne.The updating of the ring 35 can be carried out in a similar manner. Preferably, the movement of the watch will however be equipped with a known mechanism, which makes it possible to drive the ring 35 rapidly around the movement, by actuating in rotation the time setting crown previously pulled out to the middle axial position.

L'entraînement des indicateurs décrits est garanti dans les mêmes conditions de fabrication, de montage et de sécurité sur un mouvement de montre-bracelet de dame. Par ailleurs, les mêmes avantages sont conservés si l'indicateur des phases de lune est excentré. Les meilleurs résultats sont obtenus lorsque les moyens produisant la translation du mobile intermédiaire déplacent son axe de rotation au moins approximativement dans le plan passant par les axes de rotation des deux indicateurs en question.The driving of the indicators described is guaranteed under the same manufacturing, mounting and safety conditions on a lady's wristwatch movement. Furthermore, the same advantages are retained if the moon phase indicator is offset. The best results are obtained when the means producing the translation of the intermediate mobile move its axis of rotation at least approximately in the plane passing through the axes of rotation of the two indicators in question.

Claims (6)

1. Mouvement de montre comprenant un indicateur de quantième muni d'une denture de trente et une dents, un indicateur de phases de lune solidaire d'une roue à cinquante-neuf dents, un mobile intermédiaire, entraîné en rotation par le mouvement de la montre à raison d'un tour en vingt-quatre heures, qui fait avancer ces indicateurs d'un pas à chaque tour, caractérisé par des moyens (32, 39, 40, 42, 44) qui, au cours d'un angle prédéterminé de rotation dudit mobile intermédiaire (30), déplacent ce dernier en direction de la denture de l'indicateur (35) du quantième, et qui, au cours d'un autre angle prédéterminé de rotation dudit mobile intermédiaire (30), déplacent celui-ci en direction de la roue (36) à cinquante-­neuf dents.1. Watch movement comprising a date indicator provided with thirty-one teeth, a moon phase indicator secured to a wheel with fifty-nine teeth, an intermediate mobile, driven in rotation by the movement of the shows at the rate of one revolution in twenty-four hours, which advances these indicators by one step at each revolution, characterized by means (32, 39, 40, 42, 44) which, during a predetermined angle of rotation of said intermediate mobile (30), move the latter in the direction of the teeth of the date indicator (35), and which, during another predetermined angle of rotation of said intermediate mobile (30), move the latter ci in the direction of the wheel (36) with fifty-nine teeth. 2. Mouvement selon la revendication 1, caractérisé en ce que ledit mobile intermédiaire (30) présente un premier organe d'entraî­nement (46) qui plonge dans la denture de l'indicateur (35) du quan­tième et le fait avancer d'un pas, lorsque ce mobile (30) est dé­placé en direction de cette denture, et un second organe d'entraîne­ment (48) qui saisit une dent de la roue (36) à cinquante-neuf dents pour faire avancer cette roue (36) d'un pas, quand ledit mobile (30) a été déplacé en direction de cette roue (36).2. Movement according to claim 1, characterized in that said intermediate mobile (30) has a first drive member (46) which plunges into the teeth of the indicator (35) of the date and advances it by one step , when this mobile (30) is moved in the direction of this toothing, and a second drive member (48) which grasps a tooth of the wheel (36) with fifty-nine teeth to advance this wheel (36) by one step, when said mobile (30) has been moved in the direction of this wheel (36). 3. Mouvement selon la revendication 2, dans lequel ledit mobile intermédiaire est constitué par une roue dentée, caractérisé en ce que ledit premier organe d'entraînement de cette roue dentée (30) est constitué par une dent (46) plus longue que les autres et en ce que ledit second organe d'entraînement est constitué par une gou­pille (48) plantée dans ladite roue dentée (30).3. Movement according to claim 2, wherein said intermediate mobile is constituted by a toothed wheel, characterized in that said first drive member of this toothed wheel (30) is constituted by a tooth (46) longer than the others and in that said second drive member is constituted by a pin (48) planted in said toothed wheel (30). 4. Mouvement selon la revendication 2 ou 3, caractérisé en ce que lesdits moyens (32, 39, 40, 42, 44) déplacent l'axe dudit mobile intermédiaire (30) dans un plan passant par les axes de rotation de l'indicateur (35) du quantième et de la roue (36) à cinquante-neuf dents.4. Movement according to claim 2 or 3, characterized in that said means (32, 39, 40, 42, 44) move the axis of said intermediate mobile (30) in a plane passing through the axes of rotation of the indicator (35) of the date and the wheel (36) with fifty-nine teeth. 5. Mouvement selon la revendication 3 ou 4, dans lequel ledit mobile intermédiaire est entraîné en rotation par une roue dentée, calée sur le canon d'une roue des heures, caractérisé en ce que la roue (36) à cinquante-neuf dents et l'indicateur (35) du quantième sont coaxiaux à la roue des heures.5. Movement according to claim 3 or 4, wherein said intermediate mobile is rotated by a toothed wheel, wedged on the barrel of an hour wheel, characterized in that the wheel (36) with fifty-nine teeth and the date indicator (35) are coaxial with the hour wheel. 6. Mouvement selon l'une des revendications 2 à 5, caractérisé en ce que lesdits moyens (32, 39, 40, 42, 44) commencent à déplacer le second (48) desdits organes d'entraînement en direction de la roue (36) à cinquante-neuf dents aussitôt après que le premier (46) desdits organes d'entraînement a pousse l'indicateur (35) du quan­tième au-delà de la pointe du sautoir qui l'immobilise dans ses positions de repos.6. Movement according to one of claims 2 to 5, characterized in that said means (32, 39, 40, 42, 44) begin to move the second (48) of said drive members towards the wheel (36 ) with fifty-nine teeth immediately after the first (46) of said drive members has pushed the date indicator (35) beyond the point of the jumper which immobilizes it in its rest positions.
EP88114996A 1987-09-24 1988-09-14 Clockwork movement with date and phases of the moon indicators Expired - Lifetime EP0308793B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH369287A CH668884GA3 (en) 1987-09-24 1987-09-24
CH3692/87 1987-09-24

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EP0308793A1 true EP0308793A1 (en) 1989-03-29
EP0308793B1 EP0308793B1 (en) 1991-01-16

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EP88114996A Expired - Lifetime EP0308793B1 (en) 1987-09-24 1988-09-14 Clockwork movement with date and phases of the moon indicators

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US (1) US4881213A (en)
EP (1) EP0308793B1 (en)
JP (1) JPH0634034B2 (en)
CH (1) CH668884GA3 (en)
DE (1) DE3861576D1 (en)
HK (1) HK61294A (en)

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EP0211285A2 (en) * 1985-07-29 1987-02-25 Pforzheimer Uhren-Rohwerke PORTA GmbH Wrist watch
EP0479147A1 (en) * 1990-10-02 1992-04-08 Eta SA Fabriques d'Ebauches Mechanical and/or electromechanical timepiece
WO2012172008A1 (en) 2011-06-16 2012-12-20 Montres Corum Sàrl Display device

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EP1615086B1 (en) * 2004-07-08 2011-12-07 Asulab S.A. Method and device to display a cycle of images of the moon, notably in a watch
ATE433141T1 (en) * 2005-03-30 2009-06-15 Asulab Sa ANALOG DISPLAY CLOCK CAPABILITY OF CONVERTING A DATE FROM ONE CALENDAR TO ANOTHER CALENDAR
EP1708049B1 (en) * 2005-03-31 2019-05-08 Richemont International S.A. Moon phase display mechanism
USD753527S1 (en) * 2014-08-25 2016-04-12 Montblanc-Simplo Gmbh Watch dial
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USD756259S1 (en) * 2014-09-25 2016-05-17 Richemont International Sa Watch dial
EP3267267B1 (en) * 2016-07-04 2019-02-27 Blancpain SA. Mechanism for displaying the lunar phase
EP3333641B1 (en) * 2016-12-06 2019-07-10 ETA SA Manufacture Horlogère Suisse Clockwork mechanism for controlling a plurality of displays
EP3379348B1 (en) * 2017-03-20 2023-08-23 ETA SA Manufacture Horlogère Suisse Universal moon phase display
EP3379343B1 (en) * 2017-03-20 2020-02-19 Blancpain SA Device for displaying the phases of the moon
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Cited By (6)

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EP0211285A2 (en) * 1985-07-29 1987-02-25 Pforzheimer Uhren-Rohwerke PORTA GmbH Wrist watch
EP0211285B1 (en) * 1985-07-29 1992-03-04 Pforzheimer Uhren-Rohwerke PORTA GmbH Wrist watch
EP0479147A1 (en) * 1990-10-02 1992-04-08 Eta SA Fabriques d'Ebauches Mechanical and/or electromechanical timepiece
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Also Published As

Publication number Publication date
HK61294A (en) 1994-07-01
US4881213A (en) 1989-11-14
EP0308793B1 (en) 1991-01-16
DE3861576D1 (en) 1991-02-21
JPH0634034B2 (en) 1994-05-02
CH668884GA3 (en) 1989-02-15
JPH01101492A (en) 1989-04-19

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