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EP2686741B1 - Display module of a timepiece - Google Patents

Display module of a timepiece Download PDF

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Publication number
EP2686741B1
EP2686741B1 EP12713780.0A EP12713780A EP2686741B1 EP 2686741 B1 EP2686741 B1 EP 2686741B1 EP 12713780 A EP12713780 A EP 12713780A EP 2686741 B1 EP2686741 B1 EP 2686741B1
Authority
EP
European Patent Office
Prior art keywords
display module
rotation
platform
display
module according
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.)
Active
Application number
EP12713780.0A
Other languages
German (de)
French (fr)
Other versions
EP2686741A2 (en
Inventor
Denis GIGUET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harry Winston SA
Original Assignee
Harry Winston SA
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Filing date
Publication date
Application filed by Harry Winston SA filed Critical Harry Winston SA
Publication of EP2686741A2 publication Critical patent/EP2686741A2/en
Application granted granted Critical
Publication of EP2686741B1 publication Critical patent/EP2686741B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • G04B45/0038—Figures or parts thereof moved by the clockwork
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • G09F23/16—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on clocks, e.g. controlled by the clock mechanism

Definitions

  • the present invention relates to the field of watchmaking, more particularly to a display module for a timepiece.
  • demand Swiss Publication No. 01949/07 discloses a display device of a timepiece, having a plurality of elongate prisms. Each prism can be actuated to pivot in rotation about its longitudinal axis in order to be able to orient one of its lateral faces in a display plane so that the visualization of all the displayed lateral faces renders legal time information.
  • the display device has, near its periphery, a plurality of display modules, each display module having a plurality of elongated prisms arranged side-by-side lengthwise to form a display surface.
  • Each side face of each prism of each module has an adequate visual appearance so as to be able to reconstruct the information relating to the legal time on the display surface of one of the display modules when the prisms of this module are oriented in the display plan side by side.
  • the display device further comprises a rotary member arranged coaxially at the center of the movement, this rotary member being able to highlight, by a rotation about its axis, one of the display modules corresponding to the time of the legal time.
  • the object of the present invention is to provide another original display device for the indication including hours.
  • this object is achieved by means of a display module of a timepiece intended to display a sequence of alphanumeric characters and / or images at different times defined by claim 1 of the patent.
  • the display module is intended to display successively, on the central display unit, the numbers 1 to 12 corresponding to the indication of hours.
  • the module comprises four mobiles each having six fins, which has on both of their faces a portion of one of the numbers from 1 to 12.
  • each of the fins 1 of the display module is pivotable about an axis of rotation so that one or other of its faces can be visible.
  • Each fin 1 has two parallel lateral sides relative to each other and symmetrical with respect to the axis of rotation of the fin.
  • Each lateral side of the fin is extended by an inclined side to form a triangular portion whose apex angle is 90 ° and coincides with the axis of rotation of the fin.
  • each hour four fins in the center of the display module where each inclined side of each fin is juxtaposed to one of the inclined sides of two other fins to form the central display unit 2.
  • the display module comprises a total of 24 fins, which each comprise on each of their faces a fraction of one of the numbers 1 to 12 (not shown).
  • the display module comprises a total of 24 fins, which each comprise on each of their faces a fraction of one of the numbers 1 to 12 (not shown).
  • the module comprises a platform 3 ( Figure 3 ) provided with four receptacles 4 arranged at 90 ° relative to each other, and intended to each receive a mobile 5 ( Figure 4 ).
  • each mobile unit 5 comprises a first and a second satellite 6a, 6b coaxial and in engagement with a first and a second sun gear 7a, 7b respectively ( Figure 3 ) on which the platform 3 is pivotally mounted.
  • the latter has teeth on its entire circumference in order to be rotated 90 ° once per hour by a training device which will be described later.
  • the gear ratios are determined so that the first and second satellites 6a, 6b rotate 60 ° and 120 ° respectively every hour during the 90 ° rotation of the platform 3.
  • each mobile unit 5 comprises a frame 9 which is fixed on the second satellite 6b and on which is disposed an epicyclic gear train.
  • the latter consists of a sun gear 10 which is arranged in the center of the frame 9 and which is secured to a shaft 11, which is kinematically connected to the first satellite 6a so that the planetary gear 10 rotates the 60 ° during the time change.
  • the sun gear 10 is engaged with three references 12 which each mesh with a satellite 13 so that each satellite rotates 180 ° relative to the frame 9 during the change of time when the platform 3 is driven 90 °.
  • a fin support 14 in the form of a rod is mounted on each satellite 13 along the axis of rotation thereof and has at its upper end an orifice 15 inside which an axis 16 is adjusted ( Figure 4 ), which has at its two ends a fin 1.
  • the four mobiles move orbital 90 ° when the platform 3 is actuated in rotation of 90 ° for a period determined by the drive device of the display module which is preferably between five and ten seconds.
  • the frame 9 rotates 120 ° on itself while the three supports 14 of fins each perform a rotation of 180 ° relative to the frame 9.
  • One of the major difficulties that the invention proposes to solve lies in the movement that must be printed at each fin 1 so that they rotate along their axis 16 so that the first fraction of a digit arranged on the one of their faces is visible for one hour in the center of the display module, and the second fraction of another digit arranged on the other of their faces is visible for one hour when the fin is repositioned in the center of the module six hours later.
  • This allows successive display of the numbers 1 to 12 on the central display unit 2 while avoiding any collision between the fins during the time change.
  • a cylinder 17 is pivotally mounted around each support 14 of fins.
  • One of the ends of this cylinder 17 is integral with an elliptical gear 18, which is engaged with a mobile 19 having a particular toothing on all of its periphery.
  • the other end of the cylinder 17 comprises a first conical gear 20, which is arranged to drive a second conical gear 21 mounted on the axis 16 of the fin support 14.
  • the geometry of the mobile 19 and the elliptical gears 18 is determined so as to induce a variation of the gear ratio so that, each hour, each fin rotates about its axis of rotation by two turns, respectively three alternately rotating turns. to display successively the numbers 1 to 12. More particularly, the circumference of the mobile 19 is due to a mathematical relationship to have the best possible rotation.
  • the elliptical gears 18 are arranged at 120 ° relative to each other, so that each gear 18 meshes with one of the three straight segments of the mobile 19 during a change of time and then with one of the curved segments. said mobile 19 during the next time change (incrementing a unit of hours).
  • each support 14 rotates 144 ° respectively 216 ° about its axis.
  • the gear ratios between the two bevel gears 20, 21 are determined in such a way that the fins of each support 14 rotate around their axis of rotation during the time change, and then one and a half turns during the next time change. Since each fin is repositioned in the center of the display module every six hours, it will therefore have performed during this lapse of time 7.5 turns around the axis 16. This allows to orient each fin so that both sides are visible at the center of the module for one hour, at an interval of six hours.
  • the profile of the teeth of the mobile 19 and the elliptical gears 18 is obtained by means of software of the Pro / ENGINEER TM type whose computing capacity today makes it possible to conceive virtually gears composed of "wheels” with rather extreme shapes and shapes. analyze different parameters such as angular play and performance on the passage of a tooth for a given shape. It is now possible to manufacture these "wheels” thanks to a deep photolithography process.
  • the frame 9 of each mobile 5 performs a complete turn on itself in the space of three increments of the indication of the hours when the platform 3 makes three-quarters of turns.
  • the support 14 performs turn and half and allows to position the center of the module and the other fins of each support for one hour and three hours apart.
  • the axis 16 of rotation of the fins performs respectively 7.5 and 15 revolutions during six respectively twelve increments of the hours so that the first fraction of a number arranged on one of the faces of each fin is visible for one hour at center of the display module, and that the second fraction of another digit arranged on the other of its faces is visible for one hour when the fin is repositioned in the center of the display module six hours later.
  • a trigger mechanism is arranged to drive in rotation, each hour, the platform 3 of 90 °.
  • the mechanism of Figure 6 has a barrel 30 whose shaft is connected to the floor 31 which allows to store in the mainspring for one hour, the energy required to operate the display module.
  • the drum of the barrel is intended to be engaged with the platform 3 which has a set of teeth on its circumference ( Figures 1 to 3 ).
  • the mechanism further comprises a trigger wheel 32 which is kinematically connected to the barrel 30 by a ratio of one through a mobile 33 so that the trigger wheel 32 also rotates per hour.
  • a cam 34 is fixed on the trigger wheel 32 while a spiral 35 is driven on the road.
  • a release lever 36 is arranged to be in permanent contact with the spiral 35 and comprises an edge 37 arranged to abut against a radial flank of the cam 34.
  • the rotation of the spiral 35 makes it possible to tilt the lever 36 progressively around its pivot axis so that the edge 37 moves along the radial flank of the cam 34 for one hour until it is completely disengaged from said cam 34. At this moment, the latter is no longer blocked by the lever 36 thus releasing the barrel of the barrel 30.
  • the rotation of the latter causes the trigger wheel 32 which performs a revolution until the edge 37 of the lever of the lever 36 comes into abutment against the radial flange of the cam 34.
  • the ratio between the trigger wheel 32 and the barrel 30 being one, it also rotates 360 ° each hour to drive the platform 3 by 90 °.
  • a first finger 38 is fixed on the axis of the trigger wheel 32 and is arranged to actuate a lever 39 which is in the path of a second finger 40 ( Figure 7 ), which is pivotally connected to the roadway 31.
  • the purpose of this mechanism is to reduce the setting time of the watchmaker.
  • the release lever 36 can thus be arranged in such a way that the stop 37 is found in advance on the "high point” of the triggering cam 32 with respect to the point of contact of the lever 36 on the "high point” of the When the edge 37 of the lever 36 is disengaged once an hour from the cam 34, the trigger wheel 32 is rotated in unison with the first finger 38 which hits the lever 39.
  • an inertial speed regulator 42 is connected to the trigger wheel 32 by means of an intermediate wheel 41 ( Figure 8 ) so that the drum of the barrel 30 rotates 360 ° within a period of preferably between six and eight seconds.
  • the invention is not limited to the preferred embodiment described above but that it encompasses, on the contrary, all variants of execution.
  • the fins may each include a portion of an image so as to reconstruct different images at different times.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

La présente invention est relative au domaine de l'horlogerie, plus particulièrement à un module d'affichage pour une pièce d'horlogerie.The present invention relates to the field of watchmaking, more particularly to a display module for a timepiece.

Il existe dans l'état de la technique des montres mécaniques comportant des dispositifs d'affichage notamment de l'heure possédant des caractéristiques originales se démarquant des affichages analogiques traditionnels, lesquels comporte pour la plupart du temps une aiguille des heures et une aiguille des minutes coaxiales au centre du mouvement.There are in the state of the art mechanical watches including display devices including the hour having original features that stand out from traditional analog displays, which for the most part includes an hour hand and a minute hand coaxial at the center of the movement.

A titre d'exemple, la demande suisse n° 01949/07 (non publiée) divulgue un dispositif d'affichage d'une pièce d'horlogerie, comportant plusieurs prismes allongés. Chaque prisme est susceptible d'être actionné pour pivoter en rotation autour de son axe longitudinal afin de pouvoir orienté l'une de ses faces latérales dans un plan d'affichage de manière à ce que la visualisation de l'ensemble des faces latérales affichées restitue une information relative au temps légal. Le dispositif d'affichage comporte, proche de sa périphérie, plusieurs modules d'affichage, chaque module d'affichage comportant plusieurs prismes allongés agencés côte à côte dans le sens de la longueur afin de former une surface d'affichage. Chaque face latérale de chaque prisme de chaque module possède un aspect visuel adéquat de manière à pouvoir reconstituer l'information relative au temps légale sur la surface d'affichage de l'un des modules d'affichage lorsque les prismes de ce module sont orientés dans le plan d'affichage côte à côte. Le dispositif d'affichage comporte en outre un organe rotatif agencé coaxialement au centre du mouvement, cet organe rotatif étant susceptible de mettre en évidence, par une rotation autour de son axe, l'un des modules d'affichages correspondant à l'heure du temps légal.For example, demand Swiss Publication No. 01949/07 (unpublished) discloses a display device of a timepiece, having a plurality of elongate prisms. Each prism can be actuated to pivot in rotation about its longitudinal axis in order to be able to orient one of its lateral faces in a display plane so that the visualization of all the displayed lateral faces renders legal time information. The display device has, near its periphery, a plurality of display modules, each display module having a plurality of elongated prisms arranged side-by-side lengthwise to form a display surface. Each side face of each prism of each module has an adequate visual appearance so as to be able to reconstruct the information relating to the legal time on the display surface of one of the display modules when the prisms of this module are oriented in the display plan side by side. The display device further comprises a rotary member arranged coaxially at the center of the movement, this rotary member being able to highlight, by a rotation about its axis, one of the display modules corresponding to the time of the legal time.

On connait également du document EP 1 705 535 une pièce d'horlogerie présentant un mécanisme d'affichage selon le préambule de la revendication 1 du brevet.We also know of the document EP 1 705 535 a timepiece having a display mechanism according to the preamble of claim 1 of the patent.

Le but de la présente invention est de proposer un autre dispositif d'affichage original pour l'indication notamment des heures.The object of the present invention is to provide another original display device for the indication including hours.

Conformément à l'invention, ce but est atteint grâce à un module d'affichage d'une pièce d'horlogerie destiné à afficher une suite de caractères alphanumériques et/ou images à différents instants défini par la revendication 1 du brevet.According to the invention, this object is achieved by means of a display module of a timepiece intended to display a sequence of alphanumeric characters and / or images at different times defined by claim 1 of the patent.

De préférence, le module d'affichage, selon l'invention, est destiné à afficher successivement, sur l'unité d'affichage centrale, les chiffres 1 à 12 correspondant à l'indication des heures. A cette fin, le module comprend quatre mobiles comportant chacun six ailettes, lesquelles comporte sur l'une et l'autre de leurs faces une partie d'une des chiffres de 1 à 12.Preferably, the display module, according to the invention, is intended to display successively, on the central display unit, the numbers 1 to 12 corresponding to the indication of hours. To this end, the module comprises four mobiles each having six fins, which has on both of their faces a portion of one of the numbers from 1 to 12.

Les caractéristiques de l'invention apparaîtront plus clairement à la lecture de la description d'une forme d'exécution préférentielle, donnée uniquement à titre d'exemple, nullement limitative en se référant aux figures schématiques, dans lesquelles:

  • La Figure 1 représente une vue en perspective de dessus du module d'affichage des heures selon l'invention;
  • La Figure 2 représente une vue en perspective de dessous de la Figure 1 ;
  • La Figure 3 représente une vue en perspective d'une partie de la plateforme;
  • La Figure 4 représente une vue intégrale en perspective d'un des mobiles du module d'affichage des heures;
  • La Figure 5 représente une vue partielle en perspective de la Figure 4;
  • La Figure 6 représente une vue en perspective de dessus d'un mécanisme de déclenchement du module d'affichage de la Figure 1 ;
  • La Figure 7 représente une vue en perspective de dessous de la Figure 6;
  • La Figure 8 représente une vue en perspective du mécanisme de la Figure 6 et 7 couplé à un régulateur de vitesse;
The characteristics of the invention will appear more clearly on reading the description of a preferred embodiment, given solely by way of example, in no way limiting with reference to the schematic figures, in which:
  • The Figure 1 represents a perspective view from above of the hours display module according to the invention;
  • The Figure 2 represents a perspective view from below of the Figure 1 ;
  • The Figure 3 represents a perspective view of a portion of the platform;
  • The Figure 4 represents an integral view in perspective of one of the mobiles of the hours display module;
  • The Figure 5 represents a partial perspective view of the Figure 4 ;
  • The Figure 6 is a perspective view from above of a trigger mechanism of the display module of the Figure 1 ;
  • The Figure 7 represents a perspective view from below of the Figure 6 ;
  • The Figure 8 represents a perspective view of the mechanism of the Figure 6 and 7 coupled to a cruise control;

Selon le mode d'exécution préférentiel de l'invention, le module d'affichage tel qu'illustré à la Figure 1, est adapté pour reconstituer en son centre successivement les chiffres "1 ", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11" et "12" au moyen de quatre ailettes 1. A cette fin, chacune des ailettes 1 du module d'affichage est susceptible de pivoter autour d'un axe de rotation afin que l'une ou l'autre des ses faces puisse être visible. Chaque ailette 1 possède deux côtés latéraux parallèles l'un par rapport à l'autre et symétrique par rapport à l'axe de rotation de l'ailette. Chaque côté latéral de l'ailette se prolonge par un côté incliné afin de former une partie triangulaire dont l'angle au sommet est de 90° et coïncide avec l'axe de rotation de l'ailette. Cette forme spécifique permet de positionner chaque heure quatre ailettes au centre du module d'affichage où chaque côté incliné de chaque ailette se juxtapose à l'un des cotés inclinés de deux autres ailettes afin de former l'unité d'affichage centrale 2. Afin de reconstituer successivement les chiffres 1 à 12 correspondant à l'indication des heures au moyen de quatre ailettes, le module d'affichage comporte au total 24 ailettes, lesquelles comportent chacune sur l'une et l'autre de leurs faces une fraction d'un des chiffres 1 à 12 (non représenté). En effet, afin de reconstituer les chiffres 1 à 12 au moyen de quatre ailettes, il est nécessaire d'avoir 48 fractions des chiffres (4 x 12) lesquelles sont répartis sur les deux faces de chaque ailette (24 X 2).According to the preferred embodiment of the invention, the display module as illustrated in FIG. Figure 1 , is adapted to reconstitute in its center successively the numbers "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" By this means, each of the fins 1 of the display module is pivotable about an axis of rotation so that one or other of its faces can be visible. Each fin 1 has two parallel lateral sides relative to each other and symmetrical with respect to the axis of rotation of the fin. Each lateral side of the fin is extended by an inclined side to form a triangular portion whose apex angle is 90 ° and coincides with the axis of rotation of the fin. This specific shape makes it possible to position each hour four fins in the center of the display module where each inclined side of each fin is juxtaposed to one of the inclined sides of two other fins to form the central display unit 2. to successively reconstitute the numbers 1 to 12 corresponding to the indication of the hours by means of four fins, the display module comprises a total of 24 fins, which each comprise on each of their faces a fraction of one of the numbers 1 to 12 (not shown). Indeed, to reconstruct the numbers 1 to 12 by means of four fins, it is necessary to have 48 fractions of the figures (4 x 12) which are distributed on both sides of each fin (24 X 2).

La complexité de l'invention réside dans le mouvement à imprimer aux ailettes puisque:

  • quatre ailettes doivent être positionnées une fois toute les six heures dans un plan substantiellement identique au centre du module d'affichage;
  • les quatre ailettes doivent être orientées les unes par rapport aux autres de manière à avoir un angle de 90° entre les axes de rotation de chaque ailette afin d'être adjacente les unes par rapport aux autres pour former l'unité d'affichage centrale 2.
  • chaque ailette doit effectuer une rotation de 180° autour de leur axe 16 afin que la première fraction d'un chiffre agencé sur l'une des leurs faces soit visible pendant une heure au centre du module d'affichage, et que la seconde fraction d'un autre chiffre agencé sur l'autre de leurs faces soit visible pendant une heure lorsque l'ailette est repositionnée au centre du module d'affichage six heure plus tard.
The complexity of the invention lies in the movement to be printed on the fins since:
  • four fins should be positioned once every six hours in a substantially identical plane in the center of the display module;
  • the four wings must be oriented relative to each other so as to have a 90 ° angle between the axes of rotation of each fin so as to be adjacent to each other to form the central display unit 2 .
  • each fin must rotate 180 ° about their axis 16 so that the first fraction of a digit arranged on one of their faces is visible for one hour in the center of the display module, and that the second fraction of another figure arranged on the other of their faces is visible for one hour when the fin is repositioned in the center of the display module six hours later.

Afin d'obtenir cet entrainement particulier des ailettes, le module comporte une plateforme 3 (Figure 3) pourvu de quatre réceptacles 4 agencés à 90° les uns par rapport aux autres, et destinés à recevoir chacun un mobile 5 (Figure 4). En référence avec la Figure 2, chaque mobile 5 comporte un premier et un second satellite 6a, 6b coaxiaux et en prise avec un premier respectivement un second planétaire 7a, 7b (Figure 3) sur lesquels la plateforme 3 est montée pivotante. Cette dernière comporte une denture sur l'intégralité de sa circonférence afin de pouvoir être entrainée en rotation de 90° une fois par heure par un dispositif d'entrainement qui sera décrit ultérieurement. Les rapports d'engrenage sont déterminés de manière à ce que le premier et le second satellite 6a, 6b effectue une rotation respectivement de 60° et de 120° chaque heure au cours de la rotation de 90° de la plateforme 3.In order to obtain this particular training of the fins, the module comprises a platform 3 ( Figure 3 ) provided with four receptacles 4 arranged at 90 ° relative to each other, and intended to each receive a mobile 5 ( Figure 4 ). In reference with the Figure 2 each mobile unit 5 comprises a first and a second satellite 6a, 6b coaxial and in engagement with a first and a second sun gear 7a, 7b respectively ( Figure 3 ) on which the platform 3 is pivotally mounted. The latter has teeth on its entire circumference in order to be rotated 90 ° once per hour by a training device which will be described later. The gear ratios are determined so that the first and second satellites 6a, 6b rotate 60 ° and 120 ° respectively every hour during the 90 ° rotation of the platform 3.

Selon la Figure 5, chaque mobile 5 comporte un bâti 9 qui est fixé sur le second satellite 6b et sur lequel est disposé un train épicycloïdal. Ce dernier se compose d'un planétaire 10 qui est agencé au centre du bâti 9 et qui est solidaire d'un arbre 11, lequel est relié cinématiquement au premier satellite 6a afin que le planétaire 10 effectue une rotation du 60° au cours du changement d'heure. Le planétaire 10 est en prise avec trois renvois 12 qui engrènent chacun avec un satellite 13 afin que chaque satellite effectue une rotation de 180° par rapport au bâti 9 durant le changement d'heure lorsque la plateforme 3 est entrainée de 90°.According to Figure 5 each mobile unit 5 comprises a frame 9 which is fixed on the second satellite 6b and on which is disposed an epicyclic gear train. The latter consists of a sun gear 10 which is arranged in the center of the frame 9 and which is secured to a shaft 11, which is kinematically connected to the first satellite 6a so that the planetary gear 10 rotates the 60 ° during the time change. The sun gear 10 is engaged with three references 12 which each mesh with a satellite 13 so that each satellite rotates 180 ° relative to the frame 9 during the change of time when the platform 3 is driven 90 °.

Un support d'ailettes 14 sous forme de tige est monté sur chaque satellite 13 selon l'axe de rotation de celui-ci et comporte à son extrémité supérieure un orifice 15 à l'intérieur duquel un axe 16 est ajusté (Figure 4), lequel comporte à ses deux extrémités une ailette 1.A fin support 14 in the form of a rod is mounted on each satellite 13 along the axis of rotation thereof and has at its upper end an orifice 15 inside which an axis 16 is adjusted ( Figure 4 ), which has at its two ends a fin 1.

Afin de positionner chaque heure tour à tour une ailettes de chaque mobile 5 au centre du module d'affichage, les quatre mobiles se déplacent de manière orbitale de 90° lorsque la plateforme 3 est actionnée en rotation de 90° pendant une période déterminée par le dispositif d'entrainement du module d'affichage qui se situe de préférence entre cinq et dix secondes. Durant ce lapse de temps, le bâti 9 effectue une rotation de 120° sur lui-même alors que les trois supports 14 d'ailettes effectuent chacune une rotation de 180° par rapport au bâti 9.In order to position each hour in turn a fin of each mobile 5 in the center of the display module, the four mobiles move orbital 90 ° when the platform 3 is actuated in rotation of 90 ° for a period determined by the drive device of the display module which is preferably between five and ten seconds. During this lapse of time, the frame 9 rotates 120 ° on itself while the three supports 14 of fins each perform a rotation of 180 ° relative to the frame 9.

L'une des difficultés majeures que l'invention se propose de résoudre réside dans le mouvement qui doit être imprimé à chaque ailette 1 afin qu'elles effectuent une rotation selon leur axe 16 pour que la première fraction d'un chiffre agencé sur l'une de leurs faces soit visible pendant une heure au centre du module d'affichage, et que la seconde fraction d'un autre chiffre agencé sur l'autre de leurs faces soit visible pendant une heure lorsque l'ailette est repositionnée au centre du module d'affichage six heure plus tard. Cela permet l'affichage de manière successive des chiffres 1 à 12 sur l'unité d'affichage centrale 2 tout en évitant une quelconque collision entre les ailettes au cours du changement d'heure.One of the major difficulties that the invention proposes to solve lies in the movement that must be printed at each fin 1 so that they rotate along their axis 16 so that the first fraction of a digit arranged on the one of their faces is visible for one hour in the center of the display module, and the second fraction of another digit arranged on the other of their faces is visible for one hour when the fin is repositioned in the center of the module six hours later. This allows successive display of the numbers 1 to 12 on the central display unit 2 while avoiding any collision between the fins during the time change.

A cette fin, en référence avec la Figure 4, un cylindre 17 est monté en pivot autour de chaque support 14 d'ailettes. L'une des extrémités de ce cylindre 17 est solidaire d'un engrenage elliptique 18, lequel est en prise avec un mobile 19 comportant une denture particulière sur l'intégralité de son pourtour. L'autre extrémité du cylindre 17 comporte un premier pignon conique 20, lequel est agencé pour entrainé un second pignon conique 21 monté sur l'axe 16 du support d'ailettes 14.For this purpose, in reference to the Figure 4 a cylinder 17 is pivotally mounted around each support 14 of fins. One of the ends of this cylinder 17 is integral with an elliptical gear 18, which is engaged with a mobile 19 having a particular toothing on all of its periphery. The other end of the cylinder 17 comprises a first conical gear 20, which is arranged to drive a second conical gear 21 mounted on the axis 16 of the fin support 14.

La géométrie du mobile 19 et des engrenages elliptiques 18 est déterminée de manière à induire une variation du rapport d'engrenage pour que, chaque heure, chaque ailette tourne autour de son axe de rotation de deux tours, respectivement de trois tours en alternance de manière à afficher successivement les chiffres 1 à 12. Plus particulièrement, la circonférence du mobile 19 est due à une relation mathématique permettant d'avoir la meilleure rotation possible. Les engrenages elliptiques 18 sont agencés à 120° les uns par rapport aux autres, afin que chaque engrenage 18 engrène avec l'un des trois segments rectilignes du mobile 19 au cours d'un changement d'heure puis avec l'un des segments courbés dudit mobile 19 au cours du changement d'heure suivant (incrémentation d'une unité des heures). Lorsque l'engrenage elliptique 18 se déplace le long du segment rectiligne, respectivement du segment courbé du mobile 19, le cylindre 17 pivote de 144° respectivement de 216° autour de son axe. Les rapports d'engrenage entre les deux pignons coniques 20, 21 sont déterminés de manière à ce que les ailettes de chaque support 14 effectue un tour autour de leur axe de rotation au cours du changement d'heure, puis un tour et demi au cours du changement d'heure suivant. Etant donné que chaque ailette, se repositionne au centre du module d'affichage toutes les six heures, celle-ci aura par conséquent effectué durant ce lapse de temps 7.5 tours autour de l'axe 16. Ceci permet d'orienter chaque ailette pour que l'une et l'autre de leurs faces soit visible au centre du module pendant une heure, et ce à un intervalle de six heures.The geometry of the mobile 19 and the elliptical gears 18 is determined so as to induce a variation of the gear ratio so that, each hour, each fin rotates about its axis of rotation by two turns, respectively three alternately rotating turns. to display successively the numbers 1 to 12. More particularly, the circumference of the mobile 19 is due to a mathematical relationship to have the best possible rotation. The elliptical gears 18 are arranged at 120 ° relative to each other, so that each gear 18 meshes with one of the three straight segments of the mobile 19 during a change of time and then with one of the curved segments. said mobile 19 during the next time change (incrementing a unit of hours). When the elliptical gear 18 moves along the rectilinear segment, respectively of the curved segment of the mobile 19, the cylinder 17 rotates 144 ° respectively 216 ° about its axis. The gear ratios between the two bevel gears 20, 21 are determined in such a way that the fins of each support 14 rotate around their axis of rotation during the time change, and then one and a half turns during the next time change. Since each fin is repositioned in the center of the display module every six hours, it will therefore have performed during this lapse of time 7.5 turns around the axis 16. This allows to orient each fin so that both sides are visible at the center of the module for one hour, at an interval of six hours.

Le profil des dentures du mobile 19 et des engrenages elliptiques 18 est obtenu au moyen de logiciels du type Pro/ENGINEER™ dont la capacité de calcul permet aujourd'hui de concevoir virtuellement des engrenages composés de "roues" aux formes assez extrêmes et d'analyser différents paramètres tels que les jeux angulaires et le rendement sur le passage d'une dent pour une forme donnée. Il est possible de nos jours de fabriquer ces "roues" grâce notamment à un procédé de photolithographie profonde.The profile of the teeth of the mobile 19 and the elliptical gears 18 is obtained by means of software of the Pro / ENGINEER ™ type whose computing capacity today makes it possible to conceive virtually gears composed of "wheels" with rather extreme shapes and shapes. analyze different parameters such as angular play and performance on the passage of a tooth for a given shape. It is now possible to manufacture these "wheels" thanks to a deep photolithography process.

Le tableau ci-après récapitule les mouvements imprimés aux éléments essentiels du module d'affichage après chaque heure. Affichage des heures Porte-satellite Bâti Ailette Support 14 Axe 16 1 0° 0° 0°/Ailette 1 0°/face 1 2 90° 120° 180° 1 tour/face 1 3 180° 240° 360° 2.5 tours/face 2 4 270° 360° (1 tour) 180°/Ailette 2 3.5 tours/face 2 5 360° (1 tour) 480° 720° 5 tours/face 1 6 450° 600° 900° 6 tours/face 1 7 540° 720° (2 tours) 0°/Ailette 1 7.5 tours/face 2 8 630° 940° 1260° 8.5 tours/face 2 9 720° (2 tours) 1060° 1440° 10 tours/face 1 10 810° 1180° (3 tours) 180°/Ailette 2 11 tours/face 1 11 900° 1300° 1800° 12.5 tours/face 2 12 990° 1420° 1980° 13.5 tours/face 2 1 1080° (3 tours) 1640° (4 tours) 0° (2160°) 15 tours/face 1 The following table summarizes the movements printed to the essential elements of the display module after each hour. Display hours Door - Satellite built Fin Support 14 Axis 16 1 0 ° 0 ° 0 ° / Ailette 1 0 ° / face 1 2 90 120 ° 180 ° 1 round / side 1 3 180 ° 240 ° 360 ° 2.5 turns / side 2 4 270 ° 360 ° (1 turn) 180 ° / wing 2 3.5 turns / side 2 5 360 ° (1 turn) 480 ° 720 ° 5 turns / face 1 6 450 ° 600 ° 900 ° 6 turns / face 1 7 540 ° 720 ° (2 turns) 0 ° / Ailette 1 7.5 rounds / side 2 8 630 ° 940 ° 1260 ° 8.5 turns / side 2 9 720 ° (2 turns) 1060 ° 1440 ° 10 turns / face 1 10 810 ° 1180 ° (3 turns) 180 ° / wing 2 11 turns / face 1 11 900 ° 1300 ° 1800 ° 12.5 turns / side 2 12 990 ° 1420 ° 1980 ° 13.5 turns / side 2 1 1080 ° (3 turns) 1640 ° (4 turns) 0 ° (2160 °) 15 turns / face 1

Selon ce tableau, le bâti 9 de chaque mobile 5 effectue un tour complet sur lui-même en l'espace de trois incréments de l'indication des heures lorsque le la plateforme 3 effectue trois-quarts de tours. Durant ce lapse de temps, le support 14 effectue en tour et demi et permet de positionner au centre du module l'une et l'autre des ailettes de chaque support pendant une heure et ce à trois heure d'intervalle. Enfin, l'axe 16 de rotation des ailettes effectue respectivement 7.5 et 15 tours au cours de six respectivement douze incrémentations des heures afin que la première fraction d'un chiffre agencé sur l'une des faces de chaque ailette soit visible pendant une heure au centre du module d'affichage, et que la seconde fraction d'un autre chiffre agencé sur l'autre de ses faces soit visible pendant une heure lorsque l'ailette est repositionnée au centre du module d'affichage six heure plus tard.According to this table, the frame 9 of each mobile 5 performs a complete turn on itself in the space of three increments of the indication of the hours when the platform 3 makes three-quarters of turns. During this lapse of time, the support 14 performs turn and half and allows to position the center of the module and the other fins of each support for one hour and three hours apart. Finally, the axis 16 of rotation of the fins performs respectively 7.5 and 15 revolutions during six respectively twelve increments of the hours so that the first fraction of a number arranged on one of the faces of each fin is visible for one hour at center of the display module, and that the second fraction of another digit arranged on the other of its faces is visible for one hour when the fin is repositioned in the center of the display module six hours later.

Afin que le module d'affichage puisse être actionné toutes les heures pour effectuer le changement d'heure, un mécanisme de déclenchement est agencé pour entrainer en rotation, chaque heure, la plateforme 3 de 90°. A cet effet, le mécanisme de la Figure 6 comporte un barillet 30 dont l'arbre est connecté à la chaussée 31 ce qui permet d'emmagasiner dans le ressort de barillet, et ce pendant une heure, l'énergie nécessaire pour actionner le module d'affichage. Le tambour du barillet est destiné à être en prise avec la plateforme 3 qui comporte une denture sur sa circonférence (Figures 1 à 3). Le mécanisme comporte en outre une roue de déclenchement 32 qui est reliée cinématiquement au barillet 30 par un rapport de un par l'intermédiaire d'un mobile 33 afin que la roue de déclenchement 32 effectue également une rotation par heure.So that the display module can be operated every hour to effect the change of time, a trigger mechanism is arranged to drive in rotation, each hour, the platform 3 of 90 °. For this purpose, the mechanism of Figure 6 has a barrel 30 whose shaft is connected to the floor 31 which allows to store in the mainspring for one hour, the energy required to operate the display module. The drum of the barrel is intended to be engaged with the platform 3 which has a set of teeth on its circumference ( Figures 1 to 3 ). The mechanism further comprises a trigger wheel 32 which is kinematically connected to the barrel 30 by a ratio of one through a mobile 33 so that the trigger wheel 32 also rotates per hour.

En référence avec la Figure 7, une came 34 est fixée sur la roue de déclenchement 32 alors qu'un colimaçon 35 est chassé sur la chaussé. Un levier de déclenchement 36 est agencé pour être en contact permanent avec le colimaçon 35 et comporte une arête 37 agencée pour venir en butée contre un flanc radial de la came 34. La rotation du colimaçon 35 permet de faire basculer progressivement le levier 36 autour de son axe de pivotement afin que l'arête 37 se déplace le long du flanc radial de la came 34 pendant une heure jusqu'à ce qu'elle soit complètement dégagée de ladite came 34. A cet instant, cette dernière n'est plus bloquée par le levier 36 libérant ainsi le tambour du barillet 30. La rotation de ce dernier entraine la roue de déclenchement 32 qui effectue un tour jusqu'à ce que l'arête 37 du levier du levier 36 vienne à nouveau en butée contre le flanc radial de la came 34. Le rapport entre la roue de déclenchement 32 et le barillet 30 étant de un, celui-ci effectue également une rotation de 360° chaque heure pour entrainé la plateforme 3 de 90°.In reference with the Figure 7 a cam 34 is fixed on the trigger wheel 32 while a spiral 35 is driven on the road. A release lever 36 is arranged to be in permanent contact with the spiral 35 and comprises an edge 37 arranged to abut against a radial flank of the cam 34. The rotation of the spiral 35 makes it possible to tilt the lever 36 progressively around its pivot axis so that the edge 37 moves along the radial flank of the cam 34 for one hour until it is completely disengaged from said cam 34. At this moment, the latter is no longer blocked by the lever 36 thus releasing the barrel of the barrel 30. The rotation of the latter causes the trigger wheel 32 which performs a revolution until the edge 37 of the lever of the lever 36 comes into abutment against the radial flange of the cam 34. The ratio between the trigger wheel 32 and the barrel 30 being one, it also rotates 360 ° each hour to drive the platform 3 by 90 °.

Selon la Figure 6, un premier doigt 38 est fixé sur l'axe de la roue de déclenchement 32 et est agencé pour actionner une bascule 39 qui se trouve dans la trajectoire d'un second doigt 40 (Figure 7), lequel est en liaison pivot sur la chaussée 31. Le but de ce mécanisme est de réduire le temps de réglage de l'horloger. Le levier de déclenchement 36 peut ainsi être agencé de manière à ce que l'arrête 37 se retrouve en avance sur le "point haut" de la came de déclenchement 32 par rapport au point de contact du levier 36 sur le "point haut" du colimaçon 35. Lorsque l'arête 37 du levier 36 est dégagée une fois par heure de la came 34, la roue de déclenchement 32 est entrainée en rotation à l'unisson avec le premier doigt 38 qui vient frapper la bascule 39. Cette dernière vient alors actionner en rotation le second doigt 40 qui entraine le colimaçon 35, permettant ainsi au levier 36 de dépasser le point haut du colimaçon. Lorsque le levier 36 à fini son saut, un ressort de rappel (non illustré) vient replacer les éléments dans leurs positions initiales. Sans ce mécanisme, il aurait fallu régler le "point haut" du colimaçon 35 exactement au "point haut" de la came 34 sur le levier 36.According to Figure 6 a first finger 38 is fixed on the axis of the trigger wheel 32 and is arranged to actuate a lever 39 which is in the path of a second finger 40 ( Figure 7 ), which is pivotally connected to the roadway 31. The purpose of this mechanism is to reduce the setting time of the watchmaker. The release lever 36 can thus be arranged in such a way that the stop 37 is found in advance on the "high point" of the triggering cam 32 with respect to the point of contact of the lever 36 on the "high point" of the When the edge 37 of the lever 36 is disengaged once an hour from the cam 34, the trigger wheel 32 is rotated in unison with the first finger 38 which hits the lever 39. The latter then rotate the second finger 40 which drives the spiral 35, thereby allowing the lever 36 to exceed the upper point of the spiral. When the lever 36 has finished its jump, a return spring (not shown) comes to replace the elements in their initial positions. Without this mechanism, it would have been necessary to adjust the "high point" of the spiral 35 exactly to the "high point" of the cam 34 on the lever 36.

Pour maîtriser et optimiser les énergies cinétiques en présence, un régulateur de vitesse à inertie 42 est relié à la roue de déclenchement 32 au moyen d'une roue intermédiaire 41 (Figure 8) afin que le tambour du barillet 30 effectue une rotation de 360° en l'espace d'une période située de préférence entre six et huit secondes.In order to control and optimize the kinetic energies present, an inertial speed regulator 42 is connected to the trigger wheel 32 by means of an intermediate wheel 41 ( Figure 8 ) so that the drum of the barrel 30 rotates 360 ° within a period of preferably between six and eight seconds.

Il va de soit que l'invention n'est pas limitée au mode d'exécution préférentiel décrits ci-dessus mais qu'elle englobe, au contraire toutes les variantes d'exécution. A titre d'exemple, les ailettes peuvent comporter chacune une partie d'une image afin de pouvoir reconstituer à différents instants différentes images.It goes without saying that the invention is not limited to the preferred embodiment described above but that it encompasses, on the contrary, all variants of execution. For example, the fins may each include a portion of an image so as to reconstruct different images at different times.

Claims (9)

  1. Timepiece display module intended to display a series of alphanumerical characters and/or pictures at different moments, the display module including a platform (3) arranged to be actuated in rotation about an axis, several mobile elements (5) arranged on the platform (3) so that each mobile element (5) turns on itself while orbiting about the axis of rotation of said platform (3) when said platform is actuated in rotation, characterized in that the display module further including several wings (1) arranged on each mobile element (5) to be positioned in turn at the centre of the display module, each wing (1) of each mobile element (5) being actuated so as to be oriented in an identical plane when each wing is at the centre of the display module and are adjacent to each other so as to form a central display unit (2), each wing (1) including one portion of an alphanumerical character or picture so that the central display unit (2), is formed by several wings (1) and is able to display, one of the alphanumerical characters and/or pictures.
  2. Display module according to claim 1, including four mobile elements (5) each including six wings (1), which include on both faces thereof one portion of an alphanumerical character or picture.
  3. Display module according to claim 1 or 2, wherein the central display unit (2) is intended to display, in series, the numbers 1 to 12 representing the hours.
  4. Display module according to claim 1, 2 or 3, wherein each mobile element (5) includes a first and a second satellite wheel (6a, 6b) which are coaxially mounted and respectively mesh with a first and a second planetary wheel (7a, 7b) on which the platform (3) is pivotally mounted.
  5. Display module according to claim 4, wherein each mobile element (5) includes a frame (9) on which there is mounted an epicyclic train, which includes three satellite wheels (13) meshed with a planetary wheel (10), each satellite wheel (13) being integral with a wing carrier (14), which is mounted along the axis of rotation of the corresponding satellite wheel (13), and carries an arbour (16) traversing the carrier (14) perpendicularly and at the ends of which there are arranged two wings (1).
  6. Display module according to claim 5, wherein the planetary wheel (10) of the epicyclic train and the frame (9) of each mobile element (5) are respectively connected to the first and to the second satellite wheel (6a, 6b) of the corresponding mobile element.
  7. Display module according to claim 5 or 6, wherein the gear ratios between the second satellite wheel (6b) and the second planetary wheel (7b) are set such that the frame (9) makes one 120° revolution on itself when the platform (3) is driven through a 90° rotation.
  8. Display module according to claim 5, 6, or 7, wherein the gear ratios between the planetary wheel (10) and the three satellite wheels (13) of the epicyclic train of each mobile element (5) are set such that each of the three satellite wheels (13) makes a 180° rotation relative to the frame (9) when the platform (3) is driven through a 90° rotation.
  9. Wristwatch including the display module according to any of the preceding claims.
EP12713780.0A 2011-03-14 2012-03-14 Display module of a timepiece Active EP2686741B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00426/11A CH704602A2 (en) 2011-03-14 2011-03-14 display module of a timepiece.
PCT/IB2012/000472 WO2012123806A2 (en) 2011-03-14 2012-03-14 Display module of a timepiece

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EP2686741A2 EP2686741A2 (en) 2014-01-22
EP2686741B1 true EP2686741B1 (en) 2017-02-01

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JP (1) JP5710794B2 (en)
CN (1) CN103748521B (en)
CH (1) CH704602A2 (en)
WO (1) WO2012123806A2 (en)

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HK1197302A1 (en) 2015-01-09
WO2012123806A3 (en) 2012-11-08
US20140086025A1 (en) 2014-03-27
WO2012123806A2 (en) 2012-09-20
CH704602A2 (en) 2012-09-14
EP2686741A2 (en) 2014-01-22
JP5710794B2 (en) 2015-04-30
CN103748521A (en) 2014-04-23
CN103748521B (en) 2016-07-06
US9001627B2 (en) 2015-04-07
JP2014508307A (en) 2014-04-03

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