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EP1296204A1 - Date indicating mechanism - Google Patents

Date indicating mechanism Download PDF

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Publication number
EP1296204A1
EP1296204A1 EP01122867A EP01122867A EP1296204A1 EP 1296204 A1 EP1296204 A1 EP 1296204A1 EP 01122867 A EP01122867 A EP 01122867A EP 01122867 A EP01122867 A EP 01122867A EP 1296204 A1 EP1296204 A1 EP 1296204A1
Authority
EP
European Patent Office
Prior art keywords
units
ring
tens
plate
disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01122867A
Other languages
German (de)
French (fr)
Other versions
EP1296204B1 (en
Inventor
Philippe Vandel
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.)
Richemont International SA
Original Assignee
Richemont International SA
Manufacture Jaeger le Coultre SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Richemont International SA, Manufacture Jaeger le Coultre SA filed Critical Richemont International SA
Priority to EP01122867A priority Critical patent/EP1296204B1/en
Priority to AT01122867T priority patent/ATE313106T1/en
Priority to DE60115896T priority patent/DE60115896T2/en
Publication of EP1296204A1 publication Critical patent/EP1296204A1/en
Application granted granted Critical
Publication of EP1296204B1 publication Critical patent/EP1296204B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped

Definitions

  • the present invention relates to the mechanisms for displaying the date and more particularly to mechanisms of this kind in which the date is displayed with two separate digits, each of which is inscribed on a coin distinct which allows for larger numbers and therefore better legibility of the date.
  • Such a mechanism is still known from document CH 689.601 in which the tens disk also pivots inside the disk of the units.
  • the disk of the units must obligatorily contain two teeth internals, one for its training by the watchmaking movement and the other for the training of the tens disk. These two teeth are necessarily offset in height so that here too the mechanism has a height important, which is always a disadvantage in timepieces, especially wristwatches.
  • the tens disk is registered inside the disk of the units, one is also limited in the positioning of the display window.
  • date display mechanisms of this type existing have two main disadvantages, their thickness and to a lesser extent measures the limitation imposed on the positioning of the date display window.
  • the present invention aims to achieve a date display with two separate digits, each carried by a different room which obviates the aforementioned drawbacks of the known mechanisms.
  • Another object of the present invention is to simplify in a very important the display mechanism, on the one hand by reducing the number of parts of it and secondly by making sure that these parts are easy to manufacture, especially do not require complicated machining or recovery.
  • the attached drawing illustrates schematically and by way of example a form execution of the date display mechanism according to the invention.
  • Figure 1 is a plan view of the mechanism in the display position from 29.
  • Figure 2 is a plan view of the mechanism during the change of dates from the 29th to the 30th.
  • Figure 3 is a plan view of the mechanism in the display position from 30.
  • the mechanism for displaying a large date illustrated in the drawing includes a disk of the units 1 constituted by a crown arranged in the movement as a conventional calendar crown and driven by the watch movement in a conventional way.
  • the first series has numbers increasing from 1 to 9
  • second and third series include numbers increasing from 0 to 9
  • the fourth series only includes the two numbers 0 and 1.
  • this unit disc has a total of 31 digits uniformly distributed on its periphery and arranged following each other. However here each digit has only one digit and so can be notoriously bigger.
  • Each of these figures comes successively as and when the rotation of the disk units 1 place themselves in a box of units 2 that includes the dial of the watch.
  • the thirty-one digits of a digit carried by the disk units are inclined relative to a radius of the disk, the value of this inclination that can vary from 0 ° to 90 ° and depends on the position of the counter display 2 units around the circumference formed by the disk of units. If Unit 2 is located six to twelve hours away from the dial, numbers carried by the disk of the units 1 are oriented radially with respect to this disc and the inclination is 0 °. If the unit counter 2 is located at three or nine hours of the dial, the numbers carried by the disk of the units 1 are oriented tangentially to the disk and the inclination is 90 °. For all intermediate position of the unit counter 2, the inclination of the figures carried by the disk of the units 1 will be between 0 and 90 ° with respect to a radius of this disk units 1. The positioning of the counter of units 2 can be done freely and without constraint.
  • This disk of the units 1 has an internal toothing 3 of thirty-one teeth cooperating with a finger 4 driven at a rate of one turn per day by the rotation of the hour wheel which carries the hour hand of the movement.
  • the disk of the units 1 is maintained in its angular position, for which a figure appears in the unit 2 counter, using a jumper 6 subjected to the action of a return spring 7.
  • finger 4 moves the disc units 1 step as, this is illustrated in Figures 2 and 3, and the next digit is then placed in the box of units 2.
  • a cam 8 controlled by the winding crown of the movement allows the user to make quick date changes through the rotation of said winding crown.
  • the teeth of the toothing 3 could be symmetrical as are the fingers of the cam 8, so the change Quick date can be done one way or the other. This is advantageous, especially when setting the time of the watch after a long downtime of it.
  • This mechanism also comprises a mobile of tens 9 formed of a square plate carrying, by decal or engraving, etc. the numbers 1, 2, 3, 0 or 1, 2, 3 and an empty space. These figures are each arranged in a corner of the plate and are each tangent to one of the four sides of the plate.
  • This mobile of tens 9 is placed just above the disk of the units 1 and is attached to a pinion with four teeth 10.
  • a jumper 11 subjected to the action of a return spring 12 maintains the angular position of the mobile tens between two actuations not by step of it.
  • Each digit carried by the mobile tens can appear in this box of tens 13 that includes the dial of the watch.
  • This window of tens 13 is located next to and to the left of the unit 2 counter.
  • Training step by step mobile tens of 9 is from the disc of units 1 by an external toothing thereof with four teeth 14 cooperating with the teeth of the pinion 10.
  • the four teeth 14 of the toothing disk drive units 1 are positioned to rotate the mobile tens of a quarter of a turn during the passages from 09 to 10; of 19 at 20; from the 29th to the 30th and from the 31st to the 01st of each month.
  • the thickness of the tens plate 9 can be very thin, for example 0.1 mm, and can be accommodated in a clearance made in the underside of the dial.
  • the mechanism large date according to the present invention therefore introduces no thickness additional to the basic movement unlike the big date devices known.
  • the mobile of tens 9 can be placed in the corners of the dial outside the movement.
  • the date display mechanism described can be used to display other indications than the date, to display any two-digit indication, by example the display of the hour or minutes, a counter display etc. he it is enough that the figures carried by the disk of the units 1 and the mobile of the tens 9 as well as their training correspond to the desired display.
  • a peculiarity of the described mechanism lies still in the elongated form teeth 14 of the peripheral toothing of the disk of the units.
  • This width of teeth 14 is such that it blocks any rotation of the pinion 10 as the teeth Internal 3 of the disk of the units 1 did not pass the point of the jumper 6 (see Figure 2). In this way, any discrepancy between the disk of the units 1 and the mobile of the tens 9 which could intervene especially during the manipulations of setting the hour of the hands in front or behind.
  • the parts of this display mechanism are easy to manufacture or machine, indeed the disk of the units 1 is of simple form, thanks to the fact that its teeth 3 and 14 are not superimposed but located one inside and the other outside, and can thus be obtained by stamping, manufacturing process simple, inexpensive and fast. The same goes for the mobile plate of tens 9.
  • this display mechanism combines the advantages of a great date, very thin, free positioning of the display windows, very simple by the reduced number of parts, ease of manufacture and a reduced cost.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

The moving disc (9) displaying tens, has a four-toothed pinion (10). The units disc is a ring (1) with four outer teeth, which interact with the pinion. The ring has 31 internal teeth, which are driven step by step. The tens disc is pivoted outside the units ring, and partially overlies it. Ring and disc adopt stable positions, with a figure on each positioned as a pair, in side-by-side relationship. The pair of figures appears in one or two windows of a dial.

Description

La présente invention se rapporte aux mécanismes d'affichage de la date et plus particulièrement aux mécanismes de ce genre dans lesquels la date est affichée avec deux digits séparés, chacun d'eux étant inscrit sur une pièce distincte ce qui permet d'avoir des plus grands chiffres et donc une meilleure lisibilité de la date.The present invention relates to the mechanisms for displaying the date and more particularly to mechanisms of this kind in which the date is displayed with two separate digits, each of which is inscribed on a coin distinct which allows for larger numbers and therefore better legibility of the date.

On connaít un tel mécanisme du document EP 0.529.191; toutefois celui-ci comporte, pour l'entraínement des organes d'affichage des rouages superposés.Such a mechanism is known from document EP 0.529.191; however this one comprises, for the drive of display organs superimposed wheels.

On connaít encore un tel mécanisme du document CH 689.601 dans lequel le disque des dizaines pivote également à l'intérieur du disque des unités. Dans ce document, le disque des unités doit obligatoirement comporter deux dentures internes, l'une pour son entraínement par le mouvement d'horlogerie et l'autre pour l'entraínement du disque des dizaines. Ces deux dentures sont forcément décalées en hauteur de sorte qu'ici aussi le mécanisme présente une hauteur importante, ce qui est toujours un inconvénient dans les pièces d'horlogerie, notamment les montres bracelet. De plus le disque des dizaines étant inscrit à l'intérieur du disque des unités, on est également limité dans le positionnement du guichet d'affichage.Such a mechanism is still known from document CH 689.601 in which the tens disk also pivots inside the disk of the units. In this document, the disk of the units must obligatorily contain two teeth internals, one for its training by the watchmaking movement and the other for the training of the tens disk. These two teeth are necessarily offset in height so that here too the mechanism has a height important, which is always a disadvantage in timepieces, especially wristwatches. Moreover, the tens disk is registered inside the disk of the units, one is also limited in the positioning of the display window.

On voit donc que les mécanismes d'affichage de la date de ce type existant présentent principalement deux inconvénients, leur épaisseur et dans une moindre mesure la limitation imposée au positionnement du guichet d'affichage de la date.So we see that date display mechanisms of this type existing have two main disadvantages, their thickness and to a lesser extent measures the limitation imposed on the positioning of the date display window.

La présente invention a pour but de réaliser un affichage de la date avec deux digits séparés, portés chacun par une pièce différente qui obvie aux inconvénients précités des mécanismes connus.The present invention aims to achieve a date display with two separate digits, each carried by a different room which obviates the aforementioned drawbacks of the known mechanisms.

Un autre but de la présente invention est de simplifier de façon très importante le mécanisme d'affichage, d'une part en réduisant le nombre de pièces de celui-ci et d'autre part en faisant en sorte que ces pièces soient faciles à fabriquer, notamment ne nécessitent pas d'usinages compliqués ou en reprise. Another object of the present invention is to simplify in a very important the display mechanism, on the one hand by reducing the number of parts of it and secondly by making sure that these parts are easy to manufacture, especially do not require complicated machining or recovery.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution du mécanisme d'affichage de la date selon l'invention.The attached drawing illustrates schematically and by way of example a form execution of the date display mechanism according to the invention.

La figure 1 est une vue en plan du mécanisme dans la position d'affichage du 29.Figure 1 is a plan view of the mechanism in the display position from 29.

La figure 2 est une vue en plan du mécanisme pendant le changement de date du 29 au 30.Figure 2 is a plan view of the mechanism during the change of dates from the 29th to the 30th.

La figure 3 est une vue en plan du mécanisme dans la position d'affichage du 30.Figure 3 is a plan view of the mechanism in the display position from 30.

Le mécanisme d'affichage d'une grande date illustré au dessin comporte un disque des unités 1 constitué par une couronne disposée dans le mouvement comme une couronne de quantième conventionnelle et entraínée par le mouvement d'horlogerie de façon conventionnelle.The mechanism for displaying a large date illustrated in the drawing includes a disk of the units 1 constituted by a crown arranged in the movement as a conventional calendar crown and driven by the watch movement in a conventional way.

La face supérieure du disque des unités 1 porte, gravé ou décalqué, quatre séries de chiffres disposés à la suite les uns des autres. La première série comporte les chiffres croissant de 1 à 9, la seconde et la troisième séries comportent les chiffres croissant de 0 à 9 et la quatrième série ne comporte que les deux chiffres 0 et 1.The top of the disc of the units 1 door, engraved or decalcated, four series of figures arranged after each other. The first series has numbers increasing from 1 to 9, second and third series include numbers increasing from 0 to 9 and the fourth series only includes the two numbers 0 and 1.

Comme pour une couronne de quantième habituelle, ce disque des unités comporte en tout 31 chiffres uniformément répartis sur sa périphérie et disposés à la suite les uns des autres. Toutefois ici chaque chiffre ne comporte qu'un digit et peut donc être notoirement plus gros. Chacun de ces chiffres vient successivement au fur et à mesure de la rotation du disque des unités 1 se placer dans un guichet des unités 2 que comporte le cadran de la montre.As for a usual date crown, this unit disc has a total of 31 digits uniformly distributed on its periphery and arranged following each other. However here each digit has only one digit and so can be notoriously bigger. Each of these figures comes successively as and when the rotation of the disk units 1 place themselves in a box of units 2 that includes the dial of the watch.

On remarque ici que les trente et un chiffres d'un digit portés par le disque des unités sont inclinés par rapport à un rayon du disque, la valeur de cette inclinaison pouvant varier de 0° à 90° et dépendant de la position du guichet d'affichage 2 des unités autour de la circonférence formée par le disque des unités. Si le guichet des unités 2 est situé à six ou douze heures du cadran, les chiffres portés par le disque des unités 1 sont orientés radialement par rapport à ce disque et l'inclinaison est de 0°. Si le guichet des unités 2 est situé à trois ou neuf heures du cadran, les chiffres portés par le disque des unités 1 sont orientés tangentiellement par rapport au disque et l'inclinaison est de 90°. Pour toute position intermédiaire du guichet des unités 2, l'inclinaison des chiffres portés par le disque des unités 1 sera comprise entre 0 et 90° par rapport à un rayon de ce disque des unités 1. Le positionnement du guichet des unités 2 peut donc se faire librement et sans contrainte.We note here that the thirty-one digits of a digit carried by the disk units are inclined relative to a radius of the disk, the value of this inclination that can vary from 0 ° to 90 ° and depends on the position of the counter display 2 units around the circumference formed by the disk of units. If Unit 2 is located six to twelve hours away from the dial, numbers carried by the disk of the units 1 are oriented radially with respect to this disc and the inclination is 0 °. If the unit counter 2 is located at three or nine hours of the dial, the numbers carried by the disk of the units 1 are oriented tangentially to the disk and the inclination is 90 °. For all intermediate position of the unit counter 2, the inclination of the figures carried by the disk of the units 1 will be between 0 and 90 ° with respect to a radius of this disk units 1. The positioning of the counter of units 2 can be done freely and without constraint.

Ce disque des unités 1 comporte une denture intérieure 3 de trente et une dents coopérant avec un doigt 4 entraíné à raison d'un tour par jour par la rotation de la roue des heures 5 qui porte l'aiguille des heures du mouvement.This disk of the units 1 has an internal toothing 3 of thirty-one teeth cooperating with a finger 4 driven at a rate of one turn per day by the rotation of the hour wheel which carries the hour hand of the movement.

Entre deux actionnements successifs d'un pas, le disque des unités 1 est maintenu dans sa position angulaire, pour laquelle un chiffre apparaít dans le guichet des unités 2, à l'aide d'un sautoir 6 soumis à l'action d'un ressort de rappel 7.Between two successive steps, the disk of the units 1 is maintained in its angular position, for which a figure appears in the unit 2 counter, using a jumper 6 subjected to the action of a return spring 7.

Une fois par jour, aux environs de minuit, le doigt 4 déplace le disque des unités 1 d'un pas comme, cela est illustré aux figures 2 et 3, et le chiffre suivant est alors placé dans le guichet des unités 2.Once a day, around midnight, finger 4 moves the disc units 1 step as, this is illustrated in Figures 2 and 3, and the next digit is then placed in the box of units 2.

Une came 8 commandée par la couronne de remontoir du mouvement permet à l'usager de faire des changements rapides de date par la rotation de ladite couronne de remontoir.A cam 8 controlled by the winding crown of the movement allows the user to make quick date changes through the rotation of said winding crown.

Dans une variante d'exécution, les dents de la denture 3 pourraient être symétriques de même que les doigts de la came 8, de sorte que le changement rapide de date peut se faire dans un sens ou dans l'autre. Ceci est avantageux, notamment lors d'une mise à l'heure de la montre après un long temps d'arrêt de celle-ci.In an alternative embodiment, the teeth of the toothing 3 could be symmetrical as are the fingers of the cam 8, so the change Quick date can be done one way or the other. This is advantageous, especially when setting the time of the watch after a long downtime of it.

Ce mécanisme comporte encore un mobile des dizaines 9 formé d'une plaque carrée portant, par décalque ou gravage, etc. les chiffres 1, 2, 3, 0 ou 1, 2, 3 et un espace vide. Ces chiffres sont disposés chacun dans un coin de la plaque et sont chacun tangent à l'un des quatre côtés de la plaque. Ce mobile des dizaines 9 est disposé juste au-dessus du disque des unités 1 et est solidaire d'un pignon à quatre dents 10. Un sautoir 11 soumis à l'action d'un ressort de rappel 12 maintient la position angulaire du mobile des dizaines entre deux actionnements pas par pas de celui-ci.This mechanism also comprises a mobile of tens 9 formed of a square plate carrying, by decal or engraving, etc. the numbers 1, 2, 3, 0 or 1, 2, 3 and an empty space. These figures are each arranged in a corner of the plate and are each tangent to one of the four sides of the plate. This mobile of tens 9 is placed just above the disk of the units 1 and is attached to a pinion with four teeth 10. A jumper 11 subjected to the action of a return spring 12 maintains the angular position of the mobile tens between two actuations not by step of it.

Chaque chiffre porté par le mobile des dizaines peut apparaítre dans ce guichet des dizaines 13 que comporte le cadran de la montre. Ce guichet des dizaines 13 est situé à côté et à gauche du guichet des unités 2.Each digit carried by the mobile tens can appear in this box of tens 13 that includes the dial of the watch. This window of tens 13 is located next to and to the left of the unit 2 counter.

L'entraínement pas à pas du mobile des dizaines 9 s'effectue à partir du disque des unités 1 par une denture extérieure de celui-ci comportant quatre dents 14 coopérant avec les dents du pignon 10. Les quatre dents 14 de la denture périphérique du disque des unités 1 sont positionnées de manière à faire tourner le mobile des dizaines 9 d'un quart de tour lors des passages du 09 au 10; du 19 au 20; du 29 au 30 et du 31 au 01 de chaque mois.Training step by step mobile tens of 9 is from the disc of units 1 by an external toothing thereof with four teeth 14 cooperating with the teeth of the pinion 10. The four teeth 14 of the toothing disk drive units 1 are positioned to rotate the mobile tens of a quarter of a turn during the passages from 09 to 10; of 19 at 20; from the 29th to the 30th and from the 31st to the 01st of each month.

Dans le mécanisme décrit ci-dessus, la seule épaisseur supplémentaire par rapport à un affichage de quantième traditionnel comportant une couronne de quantième portant les chiffres de 1 à 31 est l'épaisseur de la plaque des dizaines 9. Cette plaque 9 peut être très mince, par exemple 0,1 mm, et peut être logée dans un dégagement pratiqué dans la face inférieure du cadran. Le mécanisme grande date selon la présente invention n'introduit donc aucune épaisseur supplémentaire au mouvement de base contrairement aux dispositifs grande date connus.In the mechanism described above, the only additional thickness per compared to a traditional date display comprising a crown of date bearing the numbers from 1 to 31 is the thickness of the tens plate 9. This plate 9 can be very thin, for example 0.1 mm, and can be accommodated in a clearance made in the underside of the dial. The mechanism large date according to the present invention therefore introduces no thickness additional to the basic movement unlike the big date devices known.

Par ailleurs en plaçant le mobile des dizaines 9 à l'extérieur du disque des unités 1 il est possible de positionner les guichets 2,13 dans n'importe quelle position autour du cadran et notamment entre quatre et cinq heures; sept et huit heures; dix et onze heures ou une et deux heures, ce qui est très intéressant pour des calibres rectangulaires, le mobile des dizaines 9 pouvant être placé dans les coins du cadran en dehors du mouvement.Moreover, by placing the mobile of tens 9 on the outside of the disk of units 1 it is possible to position wickets 2.13 in any position around the dial and especially between four and five o'clock; seven and eight hours; ten and eleven o'clock or one and two o'clock, which is very interesting for rectangular calibres, the mobile tens 9 can be placed in the corners of the dial outside the movement.

Le mécanisme d'affichage de la date décrit peut être utilisé pour afficher d'autres indications que la date, pour afficher toute indication à deux chiffres, par exemple l'affichage de l'heure ou des minutes, un affichage de compteur etc. Il suffit que les chiffres portés par le disque des unités 1 et le mobile des dizaines 9 ainsi que leur entraínement correspondent à l'affichage désiré.The date display mechanism described can be used to display other indications than the date, to display any two-digit indication, by example the display of the hour or minutes, a counter display etc. he it is enough that the figures carried by the disk of the units 1 and the mobile of the tens 9 as well as their training correspond to the desired display.

Une particularité du mécanisme décrit réside encore dans la forme allongée des dents 14 de la denture périphérique du disque des unités. Cette largeur des dents 14 est telle qu'elle bloque toute rotation du pignon 10 tant que la denture interne 3 du disque des unités 1 n'a pas passé la pointe du sautoir 6 (voir figure 2). De cette façon on évite tout décalage entre le disque des unités 1 et le mobile des dizaines 9 qui pourrait intervenir notamment lors des manipulations de mise à l'heure des aiguilles en avant ou en arrière.A peculiarity of the described mechanism lies still in the elongated form teeth 14 of the peripheral toothing of the disk of the units. This width of teeth 14 is such that it blocks any rotation of the pinion 10 as the teeth Internal 3 of the disk of the units 1 did not pass the point of the jumper 6 (see Figure 2). In this way, any discrepancy between the disk of the units 1 and the mobile of the tens 9 which could intervene especially during the manipulations of setting the hour of the hands in front or behind.

Par rapport à un mécanisme de quantième classique comportant une couronne munie des chiffres de 0 à 31 les seuls organes supplémentaires pour le présent mécanisme de grande date sont le mobile des dizaines, plaque 9 et pignon 10, le sautoir 11 et son ressort 12. Ce mécanisme comporte donc un minimum de pièces et le rend très simple.Compared to a conventional date mechanism comprising a crown with numbers from 0 to 31 the only additional organs for the present big date mechanism are the mobile tens, plate 9 and pinion 10, the jumper 11 and its spring 12. This mechanism therefore comprises a minimum of parts and makes it very simple.

De plus les pièces de ce mécanisme d'affichage sont faciles à fabriquer ou usiner, en effet le disque des unités 1 est de forme simple, grâce au fait que ses dentures 3 et 14 ne sont pas superposées mais situées l'une à l'intérieure et l'autre à l'extérieur, et peut ainsi être obtenu par étampage, procédé de fabrication simple, peu coûteux et rapide. Il en va de même pour la plaque du mobile des dizaines 9.Moreover the parts of this display mechanism are easy to manufacture or machine, indeed the disk of the units 1 is of simple form, thanks to the fact that its teeth 3 and 14 are not superimposed but located one inside and the other outside, and can thus be obtained by stamping, manufacturing process simple, inexpensive and fast. The same goes for the mobile plate of tens 9.

On le voit, ce mécanisme d'affichage allie les avantages d'une grande date, d'une très faible épaisseur, d'un positionnement libre des guichets d'affichage, d'une grande simplicité par le nombre de pièces réduit, d'une facilité de fabrication et d'un coût réduit.As we can see, this display mechanism combines the advantages of a great date, very thin, free positioning of the display windows, very simple by the reduced number of parts, ease of manufacture and a reduced cost.

Claims (6)

Mécanisme d'affichage d'un nombre avec deux digits séparés portés sur deux pièces différentes pour permettre d'avoir des chiffres plus grands comportant un disque des unités (1) entraíné à raison d'un pas par jour et un mobile des dizaines (9,10) entraíné à raison de quatre pas par mois, caractérisé par le fait que le mobile des dizaines (9, 10) comporte une plaque (9) sur laquelle sont apposés les chiffres des dizaines à afficher et un pignon (10) de quatre dents; par le fait que le disque des unités forme une couronne (1) qui comporte une denture périphérique externe de quatre dents (14) coopérant avec la dent du pignon (10) et une denture périphérique interne de trente et une dents (3) pour son entraínement pas à pas; par le fait que le mobile des dizaines (9,10) est pivoté en dehors de la couronne des unités (1), sa plaque (9) étant partiellement superposée à la couronne des unités (1); et par le fait que pour chaque position stable de la couronne des unités (1) et du mobile des dizaines (9, 10) un chiffre porté par la plaque (9) est situé à côté d'un chiffre porté par la couronne (1), ces deux chiffres apparaissant côte à côte dans un ou deux guichets (2,13) d'un cadran.Mechanism for displaying a number with two separate digits on two different pieces to allow for larger numbers comprising a disk units (1) driven at a rate of one step per day and a mobile tens (9 , 10) driven at a rate of four steps per month, characterized in that the mobile tens (9, 10) comprises a plate (9) on which are affixed the numbers of tens to display and a pinion (10) of four teeth; in that the disk of the units forms a ring gear (1) which has an external peripheral toothing of four teeth (14) cooperating with the tooth of the pinion (10) and an internal peripheral toothing of thirty-one teeth (3) for its training step by step; in that the tens motive (9,10) is pivoted outside the ring of the units (1), its plate (9) being partially superimposed on the ring of the units (1); and in that for each stable position of the ring of the units (1) and the mobile tens (9, 10) a figure carried by the plate (9) is located next to a figure carried by the ring (1). ), these two figures appear side by side in one or two wickets (2,13) of a dial. Mécanisme selon la revendication 1, pour l'affichage de la date, caractérisé par le fait que la plaque (9) du mobile des dizaines (9, 10) porte les chiffres de 0 à 3 ou de 1 à 3 plus un blanc et que la couronne des unités (1) porte quatre séries successives de chiffres, la première comportant les chiffres de 1 à 9, la seconde et la troisième comportant les chiffres de 0 à 9 et la quatrième comportant les chiffres 0 et 1, et par le fait que la totalité des chiffres portés par cette couronne (1) sont uniformément répartis sur la circonférence de cette couronne (1). Mechanism according to claim 1, for displaying the date, characterized in that the plate (9) of the mobile tens (9, 10) bears the numbers of 0 to 3 or 1 to 3 plus a blank and that the crown of the units (1) carries four successive series of digits, the first having the digits from 1 to 9, the second and the third containing the digits from 0 to 9 and the fourth digits 0 and 1, and by the fact that all the figures carried by this ring (1) are uniformly distributed over the circumference of this ring (1). Mécanisme selon la revendication 1 ou la revendication 2, caractérisé par le fait que la largeur des dents (14) de la denture périphérique externe de la couronne des unités (1) est telle qu'elle bloque lors de l'avance d'un pas de cette couronne (1) la rotation du mobile du disque des dizaines (9, 10) dans une position intermédiaire jusqu'à ce qu'une dent (3) de la denture périphérique interne de la couronne des unités (1) soit passée au-delà de la pointe d'un sautoir (6) coopérant avec cette denture.Mechanism according to Claim 1 or Claim 2, characterized in that the width of the teeth (14) of the external peripheral toothing of the ring of the units (1) is such that it blocks during the advance of a step of this ring (1) the rotation of the mobile disk tens (9, 10) in an intermediate position until a tooth (3) of the internal peripheral toothing of the ring of the units (1) has passed to beyond the point of a jumper (6) cooperating with this toothing. Mécanisme selon l'une des revendications précédentes, caractérisé par le fait que l'orientation des chiffres portés par la couronne des unités (1) par rapport à un rayon de cette couronne dépend de la position du guichet des unités (2) et peut varier de 0 à 90° suivant cette position du guichet (2).Mechanism according to one of the preceding claims, characterized in that the orientation of the figures carried by the ring of the units (1) with respect to a radius of this ring depends on the position of the box of the units (2) and may vary. from 0 to 90 ° according to this position of the window (2). Mécanisme selon l'une des revendications précédentes, caractérisé par le fait que les quatre chiffres ou blancs portés par la plaque (9) du mobile des dizaines (9, 10) sont orientés de manière à former chacun un angle de 90° par rapport à ses deux voisins.Mechanism according to one of the preceding claims, characterized in that the four numbers or whites carried by the plate (9) of the tens (9, 10) wheel are oriented so as to each form an angle of 90 ° with respect to his two neighbors. Mécanisme selon la revendication 5, caractérisé par le fait que la plaque (9) est carrée, chaque chiffre qu'elle porte étant orienté parallèlement à un côté correspondant de la plaque.Mechanism according to claim 5, characterized in that the plate (9) is square, each digit that it bears being oriented parallel to a corresponding side of the plate.
EP01122867A 2001-09-24 2001-09-24 Date indicating mechanism Expired - Lifetime EP1296204B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01122867A EP1296204B1 (en) 2001-09-24 2001-09-24 Date indicating mechanism
AT01122867T ATE313106T1 (en) 2001-09-24 2001-09-24 DATE DISPLAY MECHANISM
DE60115896T DE60115896T2 (en) 2001-09-24 2001-09-24 Date display mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01122867A EP1296204B1 (en) 2001-09-24 2001-09-24 Date indicating mechanism

Publications (2)

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EP1296204A1 true EP1296204A1 (en) 2003-03-26
EP1296204B1 EP1296204B1 (en) 2005-12-14

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EP01122867A Expired - Lifetime EP1296204B1 (en) 2001-09-24 2001-09-24 Date indicating mechanism

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EP (1) EP1296204B1 (en)
AT (1) ATE313106T1 (en)
DE (1) DE60115896T2 (en)

Cited By (7)

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Publication number Priority date Publication date Assignee Title
EP1422580A2 (en) * 2002-11-20 2004-05-26 Seiko Instruments Inc. Timepiece with calendar
EP1460494A1 (en) * 2003-03-18 2004-09-22 Francois-Paul Journe Means to display the day of the month
WO2005008347A1 (en) * 2003-07-16 2005-01-27 Fore Eagle Co Ltd Calendar device
US7133328B2 (en) 2004-06-28 2006-11-07 De Grisogono Large date display device
US7864634B2 (en) 2008-04-10 2011-01-04 Seiko Epson Corporation Timepiece with a calendar mechanism
EP2902852A1 (en) * 2014-01-31 2015-08-05 ETA SA Manufacture Horlogère Suisse Device for displaying the date for a timepiece
CH715152A1 (en) * 2018-07-04 2020-01-15 Richemont Int Sa Big date type display mechanism.

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Publication number Priority date Publication date Assignee Title
JP5467596B2 (en) * 2010-02-26 2014-04-09 セイコーインスツル株式会社 Clock with calendar mechanism
EP3667434B1 (en) * 2018-12-10 2021-08-04 Montres Breguet S.A. Large date mechanism and timepiece comprising such a mechanism

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CH310559A (en) * 1953-07-03 1955-10-31 Fontainemelon Horlogerie Calendar timepiece.
CH324270A (en) * 1955-11-22 1957-09-15 Roamer Watch Co Sa Date indicator mechanism for calendar watch
EP0529191A1 (en) 1991-08-22 1993-03-03 Manufacture Jaeger-Le Coultre S.A. Date-indicating device for a timepiece
CH689601A5 (en) 1998-03-05 1999-06-30 Piguet Frederic Sa Day of the month mechanism for timepiece

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CH310559A (en) * 1953-07-03 1955-10-31 Fontainemelon Horlogerie Calendar timepiece.
CH324270A (en) * 1955-11-22 1957-09-15 Roamer Watch Co Sa Date indicator mechanism for calendar watch
EP0529191A1 (en) 1991-08-22 1993-03-03 Manufacture Jaeger-Le Coultre S.A. Date-indicating device for a timepiece
CH689601A5 (en) 1998-03-05 1999-06-30 Piguet Frederic Sa Day of the month mechanism for timepiece

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1422580A2 (en) * 2002-11-20 2004-05-26 Seiko Instruments Inc. Timepiece with calendar
EP1422580A3 (en) * 2002-11-20 2005-05-18 Seiko Instruments Inc. Timepiece with calendar
US7106661B2 (en) 2002-11-20 2006-09-12 Seiko Instruments Inc. Calendar timepiece
EP1460494A1 (en) * 2003-03-18 2004-09-22 Francois-Paul Journe Means to display the day of the month
WO2005008347A1 (en) * 2003-07-16 2005-01-27 Fore Eagle Co Ltd Calendar device
US7133328B2 (en) 2004-06-28 2006-11-07 De Grisogono Large date display device
US7864634B2 (en) 2008-04-10 2011-01-04 Seiko Epson Corporation Timepiece with a calendar mechanism
EP2109016B1 (en) * 2008-04-10 2024-09-25 Seiko Epson Corporation Timepiece with a calendar mechanism
EP2902852A1 (en) * 2014-01-31 2015-08-05 ETA SA Manufacture Horlogère Suisse Device for displaying the date for a timepiece
JP2015145870A (en) * 2014-01-31 2015-08-13 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Date display device for watch
US9122247B2 (en) 2014-01-31 2015-09-01 Eta Sa Manufacture Horlogere Suisse Date display device for a timepiece
CH715152A1 (en) * 2018-07-04 2020-01-15 Richemont Int Sa Big date type display mechanism.

Also Published As

Publication number Publication date
EP1296204B1 (en) 2005-12-14
DE60115896D1 (en) 2006-01-19
DE60115896T2 (en) 2006-08-17
ATE313106T1 (en) 2005-12-15

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