EP2352068A1 - Mechanism for displaying the running reserve - Google Patents

Mechanism for displaying the running reserve Download PDF

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Publication number
EP2352068A1
EP2352068A1 EP11151959A EP11151959A EP2352068A1 EP 2352068 A1 EP2352068 A1 EP 2352068A1 EP 11151959 A EP11151959 A EP 11151959A EP 11151959 A EP11151959 A EP 11151959A EP 2352068 A1 EP2352068 A1 EP 2352068A1
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EP
European Patent Office
Prior art keywords
display
mechanism according
display mechanism
barrel
disk
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Granted
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EP11151959A
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German (de)
French (fr)
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EP2352068B1 (en
Inventor
Frédéric Jouvenot
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Individual
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Individual
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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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Definitions

  • the display of the power reserve of a watch is a widespread complication.
  • This information is generally displayed by a needle moving next to a scale whose two ends represent the maximum load, respectively minimum, of the barrel or barrels that feed the movement.
  • the needle is mounted on a mobile whose rotation speed is arranged so that it travels the entire scale in a time equal to the power reserve.
  • the object of the present invention is to propose a new system for displaying the power reserve which, not only is original, but which, in addition, brings greater precision to the reading of the power reserve.
  • the invention relates to a mechanism for displaying the power reserve as mentioned in the first paragraph above, wherein the display system comprises at least one disk provided with digits for displaying numbers between a minimum number and a maximum number.
  • the disc is connected to the output of the differential by a gear train arranged so that the display system displays the minimum number when the barrel is empty and the maximum number when the barrel is loaded to the maximum.
  • the display mechanism is characterized in that the gear train and the automatic winding system are arranged so that the disc advances one step each time the oscillating mass makes a turn count.
  • the display mechanism can then serve as a revolution counter for the oscillating mass, especially in the case where the automatic winding system is bidirectional.
  • the mechanism represented on the figure 1 comprises an automatic winding system, whose force is drawn from the movement of an oscillating mass 10, not shown, but visible on the figure 4 , pivoting freely under the effect of the gravity and movements of the wearer.
  • the mass 10 is pivoted at the center of the movement and drives a pinion 12.
  • this pinion 12 meshes with a gear train 14, comprising an inversion system, in order to still drive into the
  • a ratchet 16 of a barrel 24 Since the person skilled in the art is perfectly familiar with automatic winding systems, it is not necessary to describe it in detail. Any type of bidirectional system can be implemented within the scope of the invention.
  • the last mobile of the gear train 14, which we will call ratchet reference 20 is engaged with a first input 22a of a differential 22.
  • This differential 22 can be conical type, as used in general in the power reserve mechanisms.
  • the differential 22 also comprises a second inlet 22b connected to the barrel of the barrel 24, so as to make the difference between the energy received and that given by the barrel 24.
  • the output 22c of the differential 22 is connected to a display system that we will describe in detail later.
  • the display system is connected to the output 22c of the differential 22 by a gear reduction gear 26.
  • the reduction gear train 26 comprises a drive ring 28, provided with an internal gear engaged with the output 22c of the differential 22 and disposed at the periphery of the movement concentrically with it.
  • a ring 28 makes it possible to connect kinematically two distant mobiles, without interposing many references between them.
  • This ring 28 drives the pinion of a friction wheel 30, the role of which will appear below. Its function makes it possible to disengage the kinematic link in the gear train 26 to which it belongs when a certain torque is reached.
  • the friction wheel 30 also comprises a wheel which drives a first reduction mobile 32, itself causing a second reduction mobile 34.
  • the wheel of the second mobile is engaged with a pinion 36 of a first display mobile 38.
  • this first display unit 36 comprises a disc 40, mounted integral and coaxial with the pinion 36.
  • This disc 40 is provided on its side disposed on the side intended to be displayed, digits 0 to 9 regularly distributed at its front. periphery. The digits are intended to appear in a window 42 formed in the dial.
  • the first display mobile 38 may further comprise a drive finger 44, intended to drive, once per turn, a second display mobile 46.
  • the latter is similar to the first and is arranged to drive a third mobile device. 48 display. that in this example, the third mobile 48 is not intended to drive a fourth, it nevertheless includes a finger 50, intended to cooperate with two stop pins 52 forming stops, to limit the training of the third mobile 48.
  • the three mobiles are arranged so that the digit of each disk is contiguous with the others, to display, as will be understood later, a number in the wickets 42.
  • the three wickets are side by side, or even extend and form a single large wicket.
  • the pinion 36 of the first display mobile 38 is provided with teeth permanently engaged with the second mobile gear 34, which causes a dragging movement.
  • the second 46 and third 48 movable displays are jumpingly driven by the interaction between the finger of the previous mobile and their teeth, with which cooperates a jumper 54 ensuring their positioning and part of their training.
  • the shape of the movable second 46 and third 48 teeth, with respect to the jumpers and fingers, is determined so as to obtain a good bidirectional cooperation, without shock or blockage between the different elements.
  • the teeth may be of triangular isosceles shape and are each separated by a free space.
  • the sprockets of jumpingly driven display mobiles have ten teeth.
  • the layout of the display mobiles thus makes it possible to display in base 10 and in a coordinated manner the numbers from 000 to 999, the first, second and third display mobiles respectively corresponding to the unit, to the ten and to the hundred of the number displayed, that is to say respectively to the powers 0, 1 and 2 of base 10. It is therefore the mobile intended to display the value of greater power which cooperates with the pins 52.
  • the automatic winding system and the reduction gear train 26 are arranged in such a way that the display system displays the number of revolutions made by the mass.
  • the disk 40 of the first display mobile 38 is incremented by one unit each turn made by the mass.
  • the automatic winding system and the barrel 24 are calculated so that the total charge of the barrel 24, that is to say from 0 to 100%, is reached in a number of steps. oscillating mass revolutions corresponding to the maximum display capacity of the display system, that is to say the greatest number likely to be displayed by the disks.
  • the display obtained is thus both an original display of the power reserve of the barrel 24 and a rev counter of the oscillating weight.
  • the differential 22 makes it possible to drive the ring 28 by differentiating between the energy supplied to the barrel 24 (via the automatic winding system or by a manual winding system) and the energy taken by the movement.
  • the display system increments or decrements the number displayed between 000 and 999.
  • the finger of the third display unit 48 is in abutment against the locking pins.
  • the stop pin keeps the display in the correct position.
  • the friction mobile 30 then plays its role to avoid any breakage or blockage in the train, by disengaging the kinematic link between the ring 28 and the first mobile multiplier 32.
  • Such a mechanism can also be directly adapted to a watch having only manual winding, the power reserve being thus displayed digitally. We can then remove the automatic gear.
  • the gear reducer 26 can be arranged to increment the display of a unit every R / (Nn ).
  • the maximum number displayed N may be different from the maximum display capacity.
  • a display that can display 999 will display, when the power reserve is at its maximum, any value, less than 999. This maximum value being determinable, the display of the power reserve n ' not less precise and functional.
  • this mechanism could also be adapted to a unidirectional automatic gear system, that is to say in which the rotation of the mass only raises the barrel 24 in a direction of rotation.
  • the display of the power reserve remains, but the counting of the revolutions of the oscillating mass becomes more relative. Indeed, only one-way rotations are counted.
  • the counter displays the number of laps in one direction.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The mechanism has a display system comprising one or more disks (40) provided with digits for displaying numbers between a minimum number and a maximum number. The disk is connected to an output of a differential (22) through a reduction train (26) such that the display system displays the minimum number when a barrel is empty and the maximum number when the barrel is maximally loaded. The reduction train and an automatic winding system are arranged such that the disk advances by a pitch at a time when an oscillating mass performs revolution.

Description

Domaine techniqueTechnical area

L'invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, un mécanisme d'affichage de la réserve de marche comportant un différentiel comprenant :

  • une première entrée reliée au rochet d'un barillet et à un système de remontage automatique à masse oscillante,
  • une deuxième entrée reliée au tambour du barillet,
  • une sortie reliée à un système d'affichage.
The invention relates to the field of watchmaking. More particularly, it relates to a mechanism for displaying the power reserve comprising a differential comprising:
  • a first input connected to the ratchet of a barrel and to an automatic winding system with oscillating weight,
  • a second input connected to the barrel drum,
  • an output connected to a display system.

Etat de la techniqueState of the art

L'affichage de la réserve de marche d'une montre est une complication très répandue. Cette information est généralement affichée par une aiguille se déplaçant en regard d'une échelle dont les deux extrémités représentent la charge maximale, respectivement minimale, du barillet ou des barillets qui alimentent le mouvement. L'aiguille est montée sur un mobile dont la vitesse de rotation est agencée de manière à ce qu'il parcoure la totalité de l'échelle en une durée égale à la réserve de marche.The display of the power reserve of a watch is a widespread complication. This information is generally displayed by a needle moving next to a scale whose two ends represent the maximum load, respectively minimum, of the barrel or barrels that feed the movement. The needle is mounted on a mobile whose rotation speed is arranged so that it travels the entire scale in a time equal to the power reserve.

La présente invention a pour but de proposer un nouveau système d'affichage de la réserve de marche qui, non seulement est original, mais qui, en plus apporte une précision accrue à la lecture de la réserve de marche.The object of the present invention is to propose a new system for displaying the power reserve which, not only is original, but which, in addition, brings greater precision to the reading of the power reserve.

Divulgation de l'inventionDisclosure of the invention

De façon plus précise, l'invention concerne un mécanisme d'affichage de la réserve de marche tel que mentionné au premier paragraphe ci-dessus, dans lequel le système d'affichage comprend au moins un disque muni de digits pour afficher des nombres compris entre un nombre minimal et un nombre maximal. Le disque est relié à la sortie du différentiel par un rouage de démultiplication agencé de manière à ce que le système d'affichage affiche le nombre minimal lorsque le barillet est vide et le nombre maximal lorsque le barillet est chargé au maximum.More specifically, the invention relates to a mechanism for displaying the power reserve as mentioned in the first paragraph above, wherein the display system comprises at least one disk provided with digits for displaying numbers between a minimum number and a maximum number. The disc is connected to the output of the differential by a gear train arranged so that the display system displays the minimum number when the barrel is empty and the maximum number when the barrel is loaded to the maximum.

Le mécanisme d'affichage est caractérisé en ce que le rouage de démultiplication et le système de remontage automatique sont agencés de manière à ce que le disque avance d'un pas à chaque fois que la masse oscillante effectue un nombre tour.The display mechanism is characterized in that the gear train and the automatic winding system are arranged so that the disc advances one step each time the oscillating mass makes a turn count.

Le mécanisme d'affichage peut alors servir de compte-tour pour la masse oscillante, notamment dans le cas où le système de remontage automatique est bidirectionnel.The display mechanism can then serve as a revolution counter for the oscillating mass, especially in the case where the automatic winding system is bidirectional.

Brève description des dessinsBrief description of the drawings

D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence au dessin annexé dans lequel :

  • la figure 1 est une vue de dessus du mécanisme selon l'invention,
  • la figure 2 est une vue en coupe d'une partie du mécanisme, notamment du rouage de démultiplication et du système d'affichage,
  • la figure 3 est une vue de dessous du système d'affichage, et
  • les figures 4 et 5 illustrent deux exemples de pièces d'horlogerie munie d'un mécanisme selon l'invention.
Other details of the invention will emerge more clearly on reading the description which follows, made with reference to the appended drawing in which:
  • the figure 1 is a top view of the mechanism according to the invention,
  • the figure 2 is a sectional view of a part of the mechanism, in particular of the gear train and the display system,
  • the figure 3 is a bottom view of the display system, and
  • the figures 4 and 5 illustrate two examples of timepieces provided with a mechanism according to the invention.

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

Le mécanisme représenté sur la figure 1 comporte un système de remontage automatique, dont la force est tirée du mouvement d'une masse oscillante 10, non représentée, mais visible sur la figure 4, pivotant librement sous l'effet de la gravité et des mouvements du porteur. Dans l'exemple proposé, la masse 10 est pivotée au centre du mouvement et entraîne un pignon 12. De manière conventionnelle, ce pignon 12 engrène avec un train de rouage 14, comportant un système d'inversion, afin d'entraîner toujours dans le même sens un rochet 16 d'un barillet 24. L'homme du métier connaissant parfaitement les systèmes de remontage automatique, il n'est pas nécessaire de le décrire en détail. Tout type de système bidirectionnel peut être mis en oeuvre dans le cadre de l'invention.The mechanism represented on the figure 1 comprises an automatic winding system, whose force is drawn from the movement of an oscillating mass 10, not shown, but visible on the figure 4 , pivoting freely under the effect of the gravity and movements of the wearer. In the example proposed, the mass 10 is pivoted at the center of the movement and drives a pinion 12. In a conventional manner, this pinion 12 meshes with a gear train 14, comprising an inversion system, in order to still drive into the The same is true of a ratchet 16 of a barrel 24. Since the person skilled in the art is perfectly familiar with automatic winding systems, it is not necessary to describe it in detail. Any type of bidirectional system can be implemented within the scope of the invention.

Selon l'exemple proposé, le dernier mobile du train de rouage 14, que nous appellerons renvoi de rochet 20, est en prise avec une première entrée 22a d'un différentiel 22. Ce différentiel 22 peut être de type conique, comme on les utilise en général dans les mécanismes de réserve de marche. Ainsi, de manière conventionnelle, le différentiel 22 comprend également une deuxième entrée 22b reliée au tambour du barillet 24, afin de faire ainsi la différence entre l'énergie reçue et celle donnée par le barillet 24. La sortie 22c du différentiel 22 est reliée à un système d'affichage que nous allons décrire en détail par la suite.According to the proposed example, the last mobile of the gear train 14, which we will call ratchet reference 20, is engaged with a first input 22a of a differential 22. This differential 22 can be conical type, as used in general in the power reserve mechanisms. Thus, in a conventional manner, the differential 22 also comprises a second inlet 22b connected to the barrel of the barrel 24, so as to make the difference between the energy received and that given by the barrel 24. The output 22c of the differential 22 is connected to a display system that we will describe in detail later.

Le système d'affichage est relié à la sortie 22c du différentiel 22 par un rouage de démultiplication 26. Dans un mode de réalisation avantageux au niveau de la place occupée par le mécanisme, le rouage de démultiplication 26 comprend un anneau entraîneur 28, muni d'une denture intérieure en prise avec la sortie 22c du différentiel 22 et disposé à la périphérie du mouvement, de manière concentrique à lui. Un tel anneau 28 permet de relier cinématiquement deux mobiles éloignés, sans interposer de nombreux renvois entre eux. Cet anneau 28 entraîne le pignon d'un mobile à friction 30, dont le rôle apparaîtra plus loin. Sa fonction permet de débrayer la liaison cinématique dans le rouage de démultiplication 26 auquel il appartient, lorsqu'un certain couple est atteint.The display system is connected to the output 22c of the differential 22 by a gear reduction gear 26. In an advantageous embodiment at the place occupied by the mechanism, the reduction gear train 26 comprises a drive ring 28, provided with an internal gear engaged with the output 22c of the differential 22 and disposed at the periphery of the movement concentrically with it. Such a ring 28 makes it possible to connect kinematically two distant mobiles, without interposing many references between them. This ring 28 drives the pinion of a friction wheel 30, the role of which will appear below. Its function makes it possible to disengage the kinematic link in the gear train 26 to which it belongs when a certain torque is reached.

Le mobile à friction 30 comporte également une roue qui entraîne un premier mobile de démultiplication 32, lui-même entraînant un deuxième mobile de démultiplication 34. La roue de ce deuxième mobile est en prise avec un pignon 36 d'un premier mobile d'affichage 38.The friction wheel 30 also comprises a wheel which drives a first reduction mobile 32, itself causing a second reduction mobile 34. The wheel of the second mobile is engaged with a pinion 36 of a first display mobile 38.

Plus particulièrement, ce premier mobile d'affichage 36 comporte un disque 40, monté solidaire et coaxial avec le pignon 36. Ce disque 40 est muni, sur sa face disposée du côté destiné à être affiché, des digits 0 à 9 répartis régulièrement à sa périphérie. Les digits sont destinés à apparaître dans un guichet 42 ménagé dans le cadran. Le premier mobile d'affichage 38 peut encore comporter un doigt d'entraînement 44, destiné à entraîner, une fois par tour, un deuxième mobile d'affichage 46. Ce dernier est similaire au premier et est agencé pour entraîner un troisième mobile d'affichage 48. Bien que, dans cet exemple, le troisième mobile 48 n'est pas destiné à en entraîner un quatrième, il comporte néanmoins un doigt 50, destiné à coopérer avec deux goupilles d'arrêt 52 formant des butées, afin de limiter l'entraînement du troisième mobile 48. Les trois mobiles sont disposés de manière à ce que le digit de chaque disque soit contigu avec les autres, pour afficher, comme on le comprendra par la suite, un nombre dans les guichets 42. En d'autres termes, les trois guichets sont côte-à-côte, voire se prolongent et forment un unique grand guichet.More particularly, this first display unit 36 comprises a disc 40, mounted integral and coaxial with the pinion 36. This disc 40 is provided on its side disposed on the side intended to be displayed, digits 0 to 9 regularly distributed at its front. periphery. The digits are intended to appear in a window 42 formed in the dial. The first display mobile 38 may further comprise a drive finger 44, intended to drive, once per turn, a second display mobile 46. The latter is similar to the first and is arranged to drive a third mobile device. 48 display. that in this example, the third mobile 48 is not intended to drive a fourth, it nevertheless includes a finger 50, intended to cooperate with two stop pins 52 forming stops, to limit the training of the third mobile 48. The three mobiles are arranged so that the digit of each disk is contiguous with the others, to display, as will be understood later, a number in the wickets 42. In other words, the three wickets are side by side, or even extend and form a single large wicket.

Particulièrement au mode de réalisation proposé, on relèvera que le pignon 36 du premier mobile d'affichage 38 est muni d'une denture en prise permanente avec le deuxième mobile de démultiplication 34, ce qui occasionne un déplacement traînant. Les deuxième 46 et troisième 48 mobiles d'affichage sont entraînés de manière sautante par l'interaction entre le doigt du mobile précédent et leur denture, avec laquelle coopère un sautoir 54 assurant leur positionnement et une partie de leur entrainement. La forme des dents des deuxième 46 et troisième 48 mobiles, par rapport aux sautoirs et aux doigts, est déterminée de manière à obtenir une bonne coopération bidirectionnelle, sans choc ou blocage entre les différents éléments. Ainsi, les dents peuvent être de forme triangulaire isocèle et sont chacune séparées par un espace libre. Naturellement, les pignons des mobiles d'affichage entraînés de manière sautante comportent dix dents. On pourrait également envisager d'avoir un premier mobile d'affichage entraîné de manière sautante en mettant un doigt sur le deuxième mobile de démultiplication 34 et en ajoutant un sautoir coopérant avec le pignon 36. Dans ce cas, celui-ci compterait également dix dents. Les disques pourraient aussi tous être entraînés de manière traînante.Particularly to the proposed embodiment, it will be noted that the pinion 36 of the first display mobile 38 is provided with teeth permanently engaged with the second mobile gear 34, which causes a dragging movement. The second 46 and third 48 movable displays are jumpingly driven by the interaction between the finger of the previous mobile and their teeth, with which cooperates a jumper 54 ensuring their positioning and part of their training. The shape of the movable second 46 and third 48 teeth, with respect to the jumpers and fingers, is determined so as to obtain a good bidirectional cooperation, without shock or blockage between the different elements. Thus, the teeth may be of triangular isosceles shape and are each separated by a free space. Naturally, the sprockets of jumpingly driven display mobiles have ten teeth. One could also consider having a first jumping driven display mobile by putting a finger on the second mobile gear 34 and adding a jumper cooperating with the pinion 36. In this case, it would also count ten teeth . The records could all be dragged too.

L'agencement des mobiles d'affichage permet donc d'afficher en base 10 et de manière coordonnée les nombres de 000 à 999, les premier, deuxième et troisième mobiles d'affichage correspondant respectivement à l'unité, à la dizaine et à la centaine du nombre affiché, c'est-à-dire respectivement aux puissances 0, 1 et 2 de base 10. C'est donc le mobile destiné à afficher la valeur de plus grande puissance qui coopère avec les goupilles 52.The layout of the display mobiles thus makes it possible to display in base 10 and in a coordinated manner the numbers from 000 to 999, the first, second and third display mobiles respectively corresponding to the unit, to the ten and to the hundred of the number displayed, that is to say respectively to the powers 0, 1 and 2 of base 10. It is therefore the mobile intended to display the value of greater power which cooperates with the pins 52.

Selon l'invention, le système de remontage automatique et le rouage de démultiplication 26 sont agencés de manière à ce que le système d'affichage affiche le nombre de tours effectués par la masse. Dans l'exemple proposé, le disque 40 du premier mobile d'affichage 38 est incrémenté d'une unité à chaque tour effectué par la masse. On entend par "tour", une rotation de 360°, celle-ci pouvant se faire par fractions, éventuellement réalisées dans les deux directions, les déplacements angulaires effectués dans les deux directions étant additionnés.According to the invention, the automatic winding system and the reduction gear train 26 are arranged in such a way that the display system displays the number of revolutions made by the mass. In the example shown, the disk 40 of the first display mobile 38 is incremented by one unit each turn made by the mass. The term "turn", a rotation of 360 °, it can be done in fractions, possibly made in both directions, the angular displacement in both directions being added.

Parallèlement, dans un mode de réalisation avantageux, le système de remontage automatique et le barillet 24 sont calculés de manière à ce que la charge totale du barillet 24, c'est-à-dire de 0 à 100% est atteinte en un nombre de tours de masse oscillante correspondant à la capacité d'affichage maximale du système d'affichage, c'est-à-dire le plus grand nombre susceptible d'être affiché par les disques.In parallel, in an advantageous embodiment, the automatic winding system and the barrel 24 are calculated so that the total charge of the barrel 24, that is to say from 0 to 100%, is reached in a number of steps. oscillating mass revolutions corresponding to the maximum display capacity of the display system, that is to say the greatest number likely to be displayed by the disks.

L'affichage obtenu est ainsi à la fois un affichage original de la réserve de marche du barillet 24 et un compte-tour de la masse oscillante.The display obtained is thus both an original display of the power reserve of the barrel 24 and a rev counter of the oscillating weight.

Ainsi, en fonctionnement, le différentiel 22 permet d'entraîner l'anneau 28 en faisant la différence entre l'énergie amenée au barillet 24 (via le système de remontage automatique ou par un système de remontage manuel) et l'énergie prélevée par le mouvement. Selon si la différence est positive ou négative, le système d'affichage incrémente ou décrémente le chiffre affiché entre 000 et 999. A ces deux valeurs extrêmes, le doigt du troisième mobile d'affichage 48 est en butée contre les goupilles d'arrêt 52. A la valeur maximale, si le barillet 24 est encore chargé, sa bride glissante va produire son effet, mais, le cas échéant, la goupille d'arrêt permet de maintenir l'affichage en position correcte. Le mobile à friction 30 joue alors son rôle pour éviter toute casse ou blocage dans le rouage, en débrayant la liaison cinématique entre l'anneau 28 et le premier mobile de démultiplication 32. Cela permet avantageusement de rapparier l'affichage avec l'état du barillet 24, pour le cas où décalage ce serait produit pour une raison quelconque. De même, à la valeur minimale, si un décalage existe entre la valeur affichée et la réserve de marche réelle, l'affichage reste à 000 et la friction remplit sa fonction pour rapparier l'affichage et la réserve de marche.Thus, in operation, the differential 22 makes it possible to drive the ring 28 by differentiating between the energy supplied to the barrel 24 (via the automatic winding system or by a manual winding system) and the energy taken by the movement. Depending on whether the difference is positive or negative, the display system increments or decrements the number displayed between 000 and 999. At these two extreme values, the finger of the third display unit 48 is in abutment against the locking pins. At the maximum value, if the barrel 24 is still loaded, its sliding flange will produce its effect, but, if necessary, the stop pin keeps the display in the correct position. The friction mobile 30 then plays its role to avoid any breakage or blockage in the train, by disengaging the kinematic link between the ring 28 and the first mobile multiplier 32. This advantageously allows to bring the display with the state of the Barrel 24, for the case where shift would be produced for any reason. Similarly, at the minimum value, if an offset exists between the displayed value and the actual power reserve, the display remains at 000 and the friction function serves to match the display and the power reserve.

Ainsi est proposé un mécanisme offrant un compte-tour de masse oscillante et un affichage de la réserve de marche particulièrement original et précis à 1/999ème. On peut notamment voir sur les figures 4 et 5 des exemples d'implémentation d'un tel affichage, ainsi que le rendu visuel obtenu. Il est ainsi compatible avec une disposition de la masse côté fond ou côté cadran, comme l'enseigne la demande W009056498 au nom de la demanderesse.Thus is proposed a mechanism offering an oscillating mass rev counter and a display of the particularly original and precise 1 / 999th power reserve. We can notably see on figures 4 and 5 examples of implementation of such a display, as well as the visual rendering obtained. It is thus compatible with a disposition of the mass side bottom or side dial, as the demand teaches W009056498 in the name of the plaintiff.

Un tel mécanisme peut également être directement adapté pour une montre ne comportant qu'un remontage manuel, la réserve de marche étant ainsi affichée de manière digitale. On peut alors supprimer le rouage automatique. Dans ce cas, pour une réserve de marche maximale R, et un affichage pouvant afficher un nombre minimal n et un nombre maximal N, le rouage de démultiplication 26 peut être agencé pour incrémenter l'affichage d'une unité tous les R/(N-n). En variante, si l'on adapte un mécanisme d'affichage de la réserve de marche selon l'invention à un calibre existant, sans calcul spécifique du rouage de démultiplication, le nombre maximal affiché N peut être différent de la capacité maximale d'affichage. Ainsi, en pratique, un affichage pouvant afficher 999 n'affichera, lorsque la réserve de marche sera à son maximum, qu'une valeur quelconque, inférieure à 999. Cette valeur maximale étant déterminable, l'affichage de la réserve de marche n'en demeure pas moins précis et fonctionnel.Such a mechanism can also be directly adapted to a watch having only manual winding, the power reserve being thus displayed digitally. We can then remove the automatic gear. In this case, for a maximum power reserve R, and a display that can display a minimum number n and a maximum number N, the gear reducer 26 can be arranged to increment the display of a unit every R / (Nn ). Alternatively, if a power reserve display mechanism according to the invention is adapted to an existing gauge, without specific calculation of the gear train, the maximum number displayed N may be different from the maximum display capacity. . Thus, in practice, a display that can display 999 will display, when the power reserve is at its maximum, any value, less than 999. This maximum value being determinable, the display of the power reserve n ' not less precise and functional.

Par ailleurs, on pourrait également adapter ce mécanisme avec un système de rouage automatique unidirectionnel, c'est-à-dire dans lequel la rotation de la masse ne remonte le barillet 24 que dans un sens de rotation. Dans ce cas, l'affichage de la réserve de marche demeure, mais le comptage des tours de la masse oscillante devient plus relatif. En effet, seules les rotations effectuées dans un sens sont comptabilisées. Le compteur affiche ainsi le nombre de tours effectués dans une seule direction.Moreover, this mechanism could also be adapted to a unidirectional automatic gear system, that is to say in which the rotation of the mass only raises the barrel 24 in a direction of rotation. In this case, the display of the power reserve remains, but the counting of the revolutions of the oscillating mass becomes more relative. Indeed, only one-way rotations are counted. The counter displays the number of laps in one direction.

Par ailleurs, diverses variantes peuvent être prévues au niveau de l'affichage sans sortir du cadre de l'invention. Naturellement, le nombre de tour proposé dans l'exemple n'est pas limitatif, on pourrait incrémenter l'affichage de un pas tous les deux tours... voire même, réaliser un affichage digital au moyen d'un seul disque.Moreover, various variants may be provided at the display without departing from the scope of the invention. Naturally, the number of turns proposed in the example is not limiting, one could increment the display of a not every two turns ... or even make a digital display using a single disc.

Claims (11)

Mécanisme d'affichage de la réserve de marche comportant un différentiel (22) comprenant : - une première entrée (22a) reliée au rochet (16) du barillet (24) et à un système de remontage automatique à masse oscillante (10), - une deuxième entrée (22b) reliée au tambour d'un barillet (24), - une sortie (22c) reliée à un système d'affichage, ledit système d'affichage comprenant au moins un disque (40) muni de digits pour afficher des nombres compris entre un nombre minimal et un nombre maximal, ledit disque étant relié à la sortie (22c) du différentiel (22) par un rouage de démultiplication (26), agencé de manière à ce que ledit système d'affichage affiche le nombre minimal lorsque le barillet est vide et le nombre maximal lorsque le barillet est chargé au maximum,
caractérisé en ce que ledit rouage de démultiplication (26) et le système de remontage automatique sont agencés de manière à ce que ledit disque (40) avance d'un pas à chaque fois que la masse oscillante (10) effectue un tour.A power reserve display mechanism comprising a differential (22) comprising: a first inlet (22a) connected to the ratchet (16) of the barrel (24) and to an automatic winding system with oscillating weight (10), a second inlet (22b) connected to the drum of a cylinder (24), an output (22c) connected to a display system, said display system comprising at least one disk (40) provided with digits for displaying numbers between a minimum number and a maximum number, said disk being connected to the output (22c) of the differential (22) by a gear train (26), arranged so that said display system displays the minimum number when the barrel is empty and the maximum number when the barrel is loaded to the maximum,
characterized in that said gear reduction gear (26) and the automatic winding system are arranged such that said disk (40) advances one step each time the oscillating weight (10) performs one revolution. Mécanisme d'affichage selon la revendication 1, caractérisé en ce que le système d'affichage comprend plusieurs disques reliés cinématiquement l'un à l'autre de manière à afficher en base 10 de manière digitale la réserve de marche.Display mechanism according to claim 1, characterized in that the display system comprises a plurality of disks kinematically connected to each other so as to digitally display the power reserve digitally. Mécanisme d'affichage selon la revendication 1, caractérisé en ce que le système d'affichage comprend plusieurs disques reliés cinématiquement l'un à l'autre de manière à afficher en base 10 le nombre de tours effectué par la masse.Display mechanism according to claim 1, characterized in that the display system comprises a plurality of disks kinematically connected to each other so as to display in base 10 the number of turns made by the mass. Mécanisme d'affichage selon la revendication 3, caractérisé en ce que le système de remontage automatique est agencé de manière à ce que la réserve de marche maximale du barillet (24) est atteinte en un nombre de tours de masse oscillante correspondant à la capacité maximale d'affichage du système d'affichage.Display mechanism according to claim 3, characterized in that the automatic winding system is arranged in such a way that the maximum power reserve of the barrel (24) is reached in a number of mass revolutions. oscillating corresponding to the maximum display capacity of the display system. Mécanisme d'affichage selon l'une des revendications 2 à 4, caractérisé en ce que celui des disques qui est destiné à afficher la valeur de plus grande puissance est agencé pour évoluer entre une première et une deuxième positions extrêmes, lesdites positions extrêmes étant définies par des butées.Display mechanism according to one of claims 2 to 4, characterized in that the disk which is intended to display the value of greater power is arranged to move between a first and a second extreme positions, said extreme positions being defined by stops. Mécanisme d'affichage selon l'une des revendications précédentes, caractérisé en ce que le rouage de démultiplication comprend un mobile à friction (30) muni d'une roue et d'un pignon reliés à friction.Display mechanism according to one of the preceding claims, characterized in that the gear train comprises a friction wheel (30) provided with a wheel and a pinion frictionally connected. Mécanisme d'affichage selon l'une des revendications précédentes, caractérisé en ce que ledit au moins un disque du système d'affichage est entraîné de manière sautante par un doigt disposé à la fin du rouage de démultiplication.Display mechanism according to one of the preceding claims, characterized in that said at least one disk of the display system is driven jumping by a finger disposed at the end of the gear reduction. Mécanisme d'affichage selon l'une des revendications précédentes, caractérisé en ce que le système de remontage est bidirectionnel.Display mechanism according to one of the preceding claims, characterized in that the winding system is bidirectional. Mécanisme d'affichage selon la revendication 8, caractérisé en ce qu'un tour est comptabilisé à chaque rotation de 360° de la masse oscillante (10), les déplacements angulaires effectués dans les deux directions étant additionnés.Display mechanism according to claim 8, characterized in that a revolution is counted with each rotation of 360 ° of the oscillating mass (10), the angular displacements performed in both directions being added. Mécanisme d'affichage selon l'une des revendications 1 à 7, caractérisé en ce que le système de remontage est unidirectionnel.Display mechanism according to one of claims 1 to 7, characterized in that the winding system is unidirectional. Mécanisme d'affichage selon la revendication 10, caractérisé en ce qu'un tour est comptabilisé à chaque rotation de 360° de la masse oscillante (10), les déplacements angulaires effectués dans une seule direction étant additionnés.Display mechanism according to claim 10, characterized in that one turn is counted for each 360 ° rotation of the oscillating mass (10), the angular displacements in one direction being summed.
EP11151959A 2010-01-27 2011-01-25 Mechanism for displaying the running reserve Active EP2352068B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00099/10A CH702592A1 (en) 2010-01-27 2010-01-27 Display mechanism for the power reserve.

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EP2352068A1 true EP2352068A1 (en) 2011-08-03
EP2352068B1 EP2352068B1 (en) 2012-12-12

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EP3242166A1 (en) * 2016-05-06 2017-11-08 Van Cleef&Arpels SA Mechanism for triggering an animation

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EP3242166A1 (en) * 2016-05-06 2017-11-08 Van Cleef&Arpels SA Mechanism for triggering an animation

Also Published As

Publication number Publication date
US20110182152A1 (en) 2011-07-28
US8335133B2 (en) 2012-12-18
CH702592A1 (en) 2011-07-29
EP2352068B1 (en) 2012-12-12

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