EP1426836B1 - Date display mechanism for timepiece - Google Patents

Date display mechanism for timepiece Download PDF

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Publication number
EP1426836B1
EP1426836B1 EP03027108A EP03027108A EP1426836B1 EP 1426836 B1 EP1426836 B1 EP 1426836B1 EP 03027108 A EP03027108 A EP 03027108A EP 03027108 A EP03027108 A EP 03027108A EP 1426836 B1 EP1426836 B1 EP 1426836B1
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EP
European Patent Office
Prior art keywords
pinion
wheel
teeth
characters
tooth
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EP03027108A
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German (de)
French (fr)
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EP1426836A3 (en
EP1426836A2 (en
Inventor
Salvador Arbona
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Technotime Holding Sa-
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Technotime Holding Sa-
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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
    • 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
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a date display mechanism for a timepiece such as a watch or a clock.
  • the invention relates more particularly to a mechanism for displaying the date in the form of large format characters.
  • the characters of the first disc are constituted by the series 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and those of the second disc by the series 0, 1, 2, 3, 0, 1, 2 , 3.
  • the control mechanism comprises a first star-shaped pinion, integral with the first disc, a second star-shaped pinion, integral with the second disc, and three superimposed wheels and integral with each other.
  • the first of these wheels is ordered to take one step per day and presents thirty-one teeth.
  • the second of these wheels cooperates with the first pinion and has thirty teeth and a free space occupying the place of a thirty-first tooth so that the number 1 of the units remains stationary for two consecutive days (the 31 and 1 st ) by thirty-one days.
  • the third of these wheels cooperates with the second pinion and has four unequally distributed teeth so that the digit 0 of the tens remains stationary for nine consecutive days by thirty-one days, the numbers 1 and 2 each for ten days and 3 for two consecutive days.
  • the first and second gears of the control mechanism have the same number of teeth as the number of characters carried respectively by the first and second discs, respectively ten teeth and eight teeth.
  • This date display mechanism is relatively complex and expensive to manufacture in this sense, in particular, that it requires making two disks of different sizes, that of the units and the tens, and two corresponding gears whose sizes and numbers of teeth are different.
  • the present invention aims to remedy the disadvantage of the mechanism according to the document CH 310,559 and proposes for this purpose a mechanism for displaying the date in a timepiece, comprising first and second disks respectively regularly distributed along their periphery, ten characters "0" to "9” representing the figures of the units of the date and ten characters representing the numbers of the tens of the date, and a control mechanism capable of driving the first and second rotating discs so that the date is indicated by juxtaposed characters carried respectively by the first and second discs, characterized in that the characters of the second disc are divided into four different series, the first consisting of four characters "0” or blank spaces, the second consisting of two characters "1", the third consisting of two characters "2" and the fourth consisting of two characters "3".
  • the disks of the units and tens carry the same number of characters.
  • These disks like the corresponding pinions, can therefore have the same dimensions, which facilitates the manufacture of the mechanism and reduces the cost.
  • the present invention also proposes a timepiece incorporating the mechanism defined above.
  • a date display module intended to be arranged between the dial and the movement of a timepiece, comprises a plate 1 and, mounted on this plate, an intermediate mobile 2, a mobile of program 3, two coplanar and juxtaposed discs 4, 5 respectively bearing the numbers of the units and the numbers of the tens of the date, and two pinions 6, 7 respectively associated with the discs 4, 5.
  • the plate 1 is intended to be fixed on the movement of the timepiece.
  • the intermediate mobile 2 comprises a lower pinion 20 and an upper pinion 21 integral with each other and both carrying four teeth.
  • the lower gear 20, located under the plate 1, is engaged with a transmission ring 8.
  • This transmission ring 8 is for example the date crown of the watch movement, carrying thirty-one teeth, or, as shown, a crown replacing this date ring and carrying thirty-three teeth.
  • the transmission crown 8 moves one step per day (that is to say, twenty-four hours) and causes in its movement the intermediate mobile 2.
  • the upper pinion 21, located on the upper face of the plate 1, is engaged with the mobile program 3. This last comprises three wheels superimposed and integral with each other.
  • One of these wheels meshes with the upper pinion 21 and has thirty-one teeth uniformly distributed on its periphery.
  • a second of these wheels designated 31, meshes with the pinion 6 and has on its periphery twenty-nine teeth 310 and a free space 311 occupying the place of two consecutive teeth.
  • the disk of the units 4 is integral with the pinion 6 and includes, regularly distributed along its periphery, characters forming the following sequence: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
  • the disk tens 5 is integral with the pinion 7 and comprises, regularly distributed along its periphery, characters forming the following sequence: 0, 0, 0, 0, 1, 1, 2, 2, 3, 3.
  • the pinions 6, 7 have the same number of teeth as the number of characters carried by the discs 4, 5, or ten teeth.
  • the characters of the discs 4, 5 are of a large format, that is to say that they each occupy on the dial of the timepiece an angular space greater than a thirty-first round.
  • the timepiece comprises, practiced in its dial, a window consisting of two juxtaposed parts, a right part 9 revealing a character carried by the disk units 4 and indicative of the date unit and a left part 10 showing up a character carried by the disc tens 5 and indicative of the decade of the date.
  • the meshing between the wheel 31 and the pinion of the units 6 is made in such a way that each tooth of the wheel 31 (respectively of the wheel 32), once it has penetrated into the teeth of the gear of the units 6 (respectively of the tens gear 7), cooperates with a gear tooth of the units 6 (pinion respectively) tens 7) for two consecutive steps of the program mobile 3.
  • the wheel 30, and more generally the mobile program 3 takes a step, a thirty-first round, per day.
  • the pinion 6 units is driven by the program 31 of the impeller 3 and also because one step, one tenth round, daily except one day a month, corresponding to the passage of 31 a month to 1 the next month, where the free space 311 is facing the pinion 6 so that the disk of the units 4 is not driven and the character "1" remains in the display position.
  • the tens pinion 7, and therefore the tens disk 5 performs a turn in thirty-one days.
  • the tooth 320 of the wheel 32 advances the tens disk by one step when changing from the 31st of each month to the 1st of the following month to replace under the left part 10 of the window a second character "3" designated by 51 ( figure 6 ), By a first character "0", designated by 52, then another step when switching from 1 to 2 to replace the first character "0" by a second character "0", designated by 53.
  • the tooth 321 of the wheel 32 advances the tens disc 5 by one step when changing from 5 to 6 to replace the second character "0" under the left part 10 of the window by a third character “0" designated by 54, then another step during the passage from 6 to 7 to replace the third character "0" by a last character "0", designated by 55.
  • the tooth 322 of the wheel 32 advances the tens disk by one step when changing from the 9th to the 10th of each month to replace, under the left part of the window, the last character "0" by a first character "1". , designated 56, then another step during the passage from 10 to 11 to replace the first character "1" by a second character "1", designated by 57.
  • the tooth 323 of the wheel 32 advances the tens disk by one step during the passage of the 19th to the 20th of each month to replace under the left part 10 of the window the second character "1" by a first character "2" , designated 58, then another step when changing from 20 to 21 to replace the first character "2" with a second character "2", designated 59.
  • the tooth 324 of the wheel 32 advances the tens disk by one step when changing from the 29th to the 30th of each month to replace, under the left part of the window, the second character "2" by a first character “ 3 ", designated 60, then another step when changing from 30 to 31 to replace the first character” 3 "by the second character” 3 ", designated 51.
  • the correction of the indication of the date is done manually by means of the time-setting rod of the timepiece.
  • the free spaces 326-330 provided on the periphery of the wheel 32 define a diameter D1 which is greater than the diameter D2 defined by the tooth base of this wheel 32, this diameter D1 being otherwise sufficiently small to allow the wheel 32 to rotate without driving the tens gear 7 when it is facing a free space, and large enough so that, in the same situation, the pinion 7 is blocked in rotation by the wheel 32.
  • This locking system in rotation of the pinion 7 is complementary to the jumper 12 and has the function of preventing the pinion 7 turns unexpectedly in the event of shocks or too fast adjustment of the calendar through the rod of adjustment. time. This locking system can voluntarily reduce the force of the jumper 12 and thus reduce the torque required to advance the disk 5, resulting in a saving of operating energy.
  • a similar locking system is provided on the wheel 31.
  • the free space 311 of this wheel 31 defines a diameter D3 greater than the diameter D4 of the toothing bottom, this diameter D3 being such that, when the pinion 6 is opposite the free space 311, the wheel 31 can rotate without driving the pinion 6 and the latter is locked in rotation by the wheel 31.
  • the figure 7 shows a variant of the mechanism according to the invention, in which the characters "0" of the tens disk are replaced by white spaces. Such white spaces are considered in the context of the present patent application as characters.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Liquid Crystal Substances (AREA)
  • Electric Clocks (AREA)

Abstract

The day of the month is shown by characters (9,10) on adjacent display wheels (4,5) which are marked with units and repeated tens. The wheels are turned by pinions (6,7) which engage with toothed wheels (31,32) which have twenty nine and five differently spaced teeth respectively. The toothed wheels are rotated by a third coaxial toothed wheel (30) and a drive pinion (21) An Independent claim is also included for : A timepiece which includes the mechanism

Description

La présente invention concerne un mécanisme d'affichage de quantième pour une pièce d'horlogerie telle qu'une montre ou une pendulette. L'invention concerne plus particulièrement un mécanisme permettant d'afficher le quantième sous forme de caractères de grand format.The present invention relates to a date display mechanism for a timepiece such as a watch or a clock. The invention relates more particularly to a mechanism for displaying the date in the form of large format characters.

On connaît par le brevet suisse CH 310 559 un mécanisme d'affichage de quantième comprenant des premier et second disques portant, régulièrement répartis le long de leur périphérie, des caractères représentant respectivement les chiffres des unités et les chiffres des dizaines du quantième, et un mécanisme de commande apte à entraîner ces disques en rotation de façon que le quantième soit indiqué par des caractères juxtaposés portés respectivement par les premier et second disques.We know by the Swiss patent CH 310,559 a date display mechanism comprising first and second disks bearing, regularly distributed along their periphery, characters respectively representing the numbers of the units and the numbers of the tens of the date, and a control mechanism capable of driving these disks in rotation so that the date is indicated by juxtaposed characters carried respectively by the first and second discs.

Les caractères du premier disque sont constitués par la série 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 et ceux du second disque par la série 0, 1, 2, 3, 0, 1, 2, 3. Le mécanisme de commande comprend un premier pignon en forme d'étoile, solidaire du premier disque, un second pignon en forme d'étoile, solidaire du second disque, et trois roues superposées et solidaires les unes des autres. La première de ces roues est commandée pour faire un pas par jour et présente trente et une dents. La seconde de ces roues coopère avec le premier pignon et présente trente dents et un espace libre occupant la place d'une trente et unième dent de sorte que le chiffre 1 des unités reste stationnaire pendant deux jours consécutifs (les 31 et 1er) par trente et un jours. La troisième de ces roues, quant à elle, coopère avec le second pignon et présente quatre dents inégalement réparties de sorte que le chiffre 0 des dizaines reste stationnaire pendant neuf jours consécutifs par trente et un jours, les chiffres 1 et 2 chacun pendant dix jours consécutifs et le chiffre 3 pendant deux jours consécutifs. Les premier et second pignons du mécanisme de commande ont le même nombre de dents que le nombre de caractères portés respectivement par les premier et second disques, soit respectivement dix dents et huit dents.The characters of the first disc are constituted by the series 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and those of the second disc by the series 0, 1, 2, 3, 0, 1, 2 , 3. The control mechanism comprises a first star-shaped pinion, integral with the first disc, a second star-shaped pinion, integral with the second disc, and three superimposed wheels and integral with each other. The first of these wheels is ordered to take one step per day and presents thirty-one teeth. The second of these wheels cooperates with the first pinion and has thirty teeth and a free space occupying the place of a thirty-first tooth so that the number 1 of the units remains stationary for two consecutive days (the 31 and 1 st ) by thirty-one days. The third of these wheels, in turn, cooperates with the second pinion and has four unequally distributed teeth so that the digit 0 of the tens remains stationary for nine consecutive days by thirty-one days, the numbers 1 and 2 each for ten days and 3 for two consecutive days. The first and second gears of the control mechanism have the same number of teeth as the number of characters carried respectively by the first and second discs, respectively ten teeth and eight teeth.

Ce mécanisme d'affichage de quantième est relativement complexe et coûteux à fabriquer en ce sens, notamment, qu'il nécessite de réaliser deux disques de tailles différentes, celui des unités et celui des dizaines, et deux pignons correspondants dont les tailles et les nombres de dents sont différents.This date display mechanism is relatively complex and expensive to manufacture in this sense, in particular, that it requires making two disks of different sizes, that of the units and the tens, and two corresponding gears whose sizes and numbers of teeth are different.

On connaît aussi par la demande de brevet européen EP 0 999 482 un mécanisme d'affichage de quantième annuel comprenant un disque des unités et un disque des dizaines entraînés par un mécanisme à plusieurs mobiles. Le disque des unités porte les chiffres 0 à 9 et le disque des dizaines porte la série de chiffres 0, 0, 1, 2, 3, 0, 0, 1, 2, 3.We also know by the request of European patent EP 0 999 482 an annual date display mechanism comprising a disk of the units and a tens disk driven by a multi-moving mechanism. The disk of the units bears the numbers 0 to 9 and the tens disk carries the series of digits 0, 0, 1, 2, 3, 0, 0, 1, 2, 3.

La présente invention vise à remédier à l'inconvénient du mécanisme selon le document CH 310 559 et propose à cet effet un mécanisme pour l'affichage du quantième dans une pièce d'horlogerie, comprenant des premier et second disques portant respectivement, régulièrement répartis le long de leur périphérie, dix caractères « 0 » à « 9 » représentant les chiffres des unités du quantième et dix caractères représentant les chiffres des dizaines du quantième, et un mécanisme de commande apte à entraîner les premier et second disques en rotation de façon que le quantième soit indiqué par des caractères juxtaposés portés respectivement par les premier et second disques, caractérisé en ce que les caractères du second disque sont répartis en quatre séries différentes, la première constituée de quatre caractères « 0 » ou espaces blancs, la seconde constituée de deux caractères « 1 », la troisième constituée de deux caractères « 2 » et la quatrième constituée de deux caractères « 3 ».The present invention aims to remedy the disadvantage of the mechanism according to the document CH 310,559 and proposes for this purpose a mechanism for displaying the date in a timepiece, comprising first and second disks respectively regularly distributed along their periphery, ten characters "0" to "9" representing the figures of the units of the date and ten characters representing the numbers of the tens of the date, and a control mechanism capable of driving the first and second rotating discs so that the date is indicated by juxtaposed characters carried respectively by the first and second discs, characterized in that the characters of the second disc are divided into four different series, the first consisting of four characters "0" or blank spaces, the second consisting of two characters "1", the third consisting of two characters "2" and the fourth consisting of two characters "3".

Ainsi, dans l'invention, les disques des unités et des dizaines portent le même nombre de caractères. Ces disques, comme les pignons correspondants, peuvent donc avoir les mêmes dimensions, ce qui facilite la fabrication du mécanisme et en réduit le coût.Thus, in the invention, the disks of the units and tens carry the same number of characters. These disks, like the corresponding pinions, can therefore have the same dimensions, which facilitates the manufacture of the mechanism and reduces the cost.

La présente invention propose également une pièce d'horlogerie incorporant le mécanisme défini ci-dessus.The present invention also proposes a timepiece incorporating the mechanism defined above.

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée suivante faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue plane de dessus du mécanisme d'affichage de quantième selon l'invention ;
  • la figure 2 est une vue en perspective éclatée du mécanisme d'affichage de quantième selon l'invention ;
  • la figure 3 est une vue en perspective éclatée d'un mobile de programme inclus dans le mécanisme d'affichage de quantième selon l'invention ;
  • la figure 4 est une vue en coupe, prise suivant la ligne IV-IV de la figure 1, du mécanisme d'affichage de quantième selon l'invention ;
  • la figure 5 est une vue en coupe, prise suivant la ligne V-V de la figure 1, montrant le mobile de programme et un mobile intermédiaire inclus dans le mécanisme d'affichage de quantième selon l'invention ;
  • la figure 6 est une vue plane de dessus d'une partie du mécanisme d'affichage de quantième selon l'invention ; et
  • la figure 7 est une vue plane de dessus d'une variante du mécanisme d'affichage de quantième selon l'invention.
Other features and advantages of the present invention will appear on reading the following detailed description given with reference to the accompanying drawings in which:
  • the figure 1 is a plan view from above of the date display mechanism according to the invention;
  • the figure 2 is an exploded perspective view of the date display mechanism according to the invention;
  • the figure 3 is an exploded perspective view of a program mobile included in the date display mechanism according to the invention;
  • the figure 4 is a sectional view, taken along line IV-IV of the figure 1 of the date display mechanism according to the invention;
  • the figure 5 is a sectional view, taken along line VV of the figure 1 , showing the program mobile and an intermediate mobile included in the date display mechanism according to the invention;
  • the figure 6 is a plan view from above of a portion of the date display mechanism according to the invention; and
  • the figure 7 is a plan view from above of a variant of the date display mechanism according to the invention.

En référence aux figures 1 à 5, un module d'affichage de quantième selon l'invention, destiné à être disposé entre le cadran et le mouvement d'une pièce d'horlogerie, comprend une platine 1 et, montés sur cette platine, un mobile intermédiaire 2, un mobile de programme 3, deux disques coplanaires et juxtaposés 4, 5 portant respectivement les chiffres des unités et les chiffres des dizaines du quantième, et deux pignons 6, 7 associés respectivement aux disques 4, 5.With reference to Figures 1 to 5 , a date display module according to the invention, intended to be arranged between the dial and the movement of a timepiece, comprises a plate 1 and, mounted on this plate, an intermediate mobile 2, a mobile of program 3, two coplanar and juxtaposed discs 4, 5 respectively bearing the numbers of the units and the numbers of the tens of the date, and two pinions 6, 7 respectively associated with the discs 4, 5.

La platine 1 est destinée à être fixée sur le mouvement de la pièce d'horlogerie. Le mobile intermédiaire 2 comprend un pignon inférieur 20 et un pignon supérieur 21 solidaires l'un de l'autre et portant tous deux quatre dents. Le pignon inférieur 20, situé sous la platine 1, est en prise avec une couronne de transmission 8. Cette couronne de transmission 8 est par exemple la couronne de quantième du mouvement d'horlogerie, portant trente et une dents, ou, comme représenté, une couronne remplaçant cette couronne de quantième et portant trente-trois dents. La couronne de transmission 8 se déplace d'un pas par jour (c'est-à-dire par vingt-quatre heures) et entraîne dans son déplacement le mobile intermédiaire 2. Le pignon supérieur 21, situé sur la face supérieure de la platine 1, est en prise avec le mobile de programme 3. Ce dernier comprend trois roues superposées et solidaires les unes des autres. L'une de ces roues, désignée par 30, engrène avec le pignon supérieur 21 et présente trente et une dents uniformément réparties sur sa périphérie. Une seconde de ces roues, désignée par 31, engrène avec le pignon 6 et présente sur sa périphérie vingt-neuf dents 310 et un espace libre 311 occupant la place de deux dents consécutives. Quant à la troisième de ces roues, désignée par 32, elle engrène avec le pignon 7 et présente cinq dents 320-324 inégalement réparties sur sa périphérie et cinq espaces libres 326-330 entre ces dents occupant respectivement la place de trois dents, quatre dents, neuf dents, neufs dents et une dent.The plate 1 is intended to be fixed on the movement of the timepiece. The intermediate mobile 2 comprises a lower pinion 20 and an upper pinion 21 integral with each other and both carrying four teeth. The lower gear 20, located under the plate 1, is engaged with a transmission ring 8. This transmission ring 8 is for example the date crown of the watch movement, carrying thirty-one teeth, or, as shown, a crown replacing this date ring and carrying thirty-three teeth. The transmission crown 8 moves one step per day (that is to say, twenty-four hours) and causes in its movement the intermediate mobile 2. The upper pinion 21, located on the upper face of the plate 1, is engaged with the mobile program 3. This last comprises three wheels superimposed and integral with each other. One of these wheels, designated 30, meshes with the upper pinion 21 and has thirty-one teeth uniformly distributed on its periphery. A second of these wheels, designated 31, meshes with the pinion 6 and has on its periphery twenty-nine teeth 310 and a free space 311 occupying the place of two consecutive teeth. As for the third of these wheels, designated 32, it meshes with the pinion 7 and has five teeth 320-324 unequally distributed on its periphery and five free spaces 326-330 between these teeth respectively occupying the place of three teeth, four teeth , nine teeth, nine teeth and one tooth.

Le disque des unités 4 est solidaire du pignon 6 et comporte, régulièrement répartis le long de sa périphérie, des caractères formant la séquence suivante : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Le disque des dizaines 5 est solidaire du pignon 7 et comporte, régulièrement répartis le long de sa périphérie, des caractères formant la séquence suivante : 0, 0, 0, 0, 1, 1, 2, 2, 3, 3. Les pignons 6, 7 présentent le même nombre de dents que le nombre de caractères portés par les disques 4, 5, soit dix dents. Les caractères des disques 4, 5 sont d'un grand format, c'est-à-dire qu'ils occupent chacun sur le cadran de la pièce d'horlogerie un espace angulaire supérieur à un trente et unième de tour.The disk of the units 4 is integral with the pinion 6 and includes, regularly distributed along its periphery, characters forming the following sequence: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. The disk tens 5 is integral with the pinion 7 and comprises, regularly distributed along its periphery, characters forming the following sequence: 0, 0, 0, 0, 1, 1, 2, 2, 3, 3. The pinions 6, 7 have the same number of teeth as the number of characters carried by the discs 4, 5, or ten teeth. The characters of the discs 4, 5 are of a large format, that is to say that they each occupy on the dial of the timepiece an angular space greater than a thirty-first round.

La pièce d'horlogerie comporte, pratiqué dans son cadran, un guichet constitué de deux parties juxtaposées, une partie droite 9 laissant apparaître un caractère porté par le disque des unités 4 et indicatif de l'unité du quantième et une partie gauche 10 laissant apparaître un caractère porté par le disque des dizaines 5 et indicatif de la dizaine du quantième.The timepiece comprises, practiced in its dial, a window consisting of two juxtaposed parts, a right part 9 revealing a character carried by the disk units 4 and indicative of the date unit and a left part 10 showing up a character carried by the disc tens 5 and indicative of the decade of the date.

L'engrènement entre la roue 31 et le pignon des unités 6 (respectivement entre la roue 32 et le pignon des dizaines 7) est réalisé de telle façon que chaque dent de la roue 31 (respectivement de la roue 32), une fois qu'elle a pénétré dans la denture du pignon des unités 6 (respectivement du pignon des dizaines 7), coopère avec une dent du pignon des unités 6 (respectivement du pignon des dizaines 7) pendant deux pas consécutifs du mobile de programme 3.The meshing between the wheel 31 and the pinion of the units 6 (respectively between the wheel 32 and the tens pinion 7) is made in such a way that each tooth of the wheel 31 (respectively of the wheel 32), once it has penetrated into the teeth of the gear of the units 6 (respectively of the tens gear 7), cooperates with a gear tooth of the units 6 (pinion respectively) tens 7) for two consecutive steps of the program mobile 3.

Sous l'action du mobile intermédiaire 2, la roue 30, et plus généralement le mobile de programme 3, effectue un pas, soit un trente et unième de tour, par jour. Le pignon des unités 6 est entraîné par la roue 31 du mobile de programme 3 à raison également d'un pas, soit un dixième de tour, par jour sauf un jour par mois, correspondant au passage du 31 d'un mois au 1er du mois suivant, où l'espace libre 311 est en regard du pignon 6 de sorte que le disque des unités 4 n'est pas entraîné et le caractère « 1 » reste en position d'affichage.Under the action of the intermediate mobile 2, the wheel 30, and more generally the mobile program 3, takes a step, a thirty-first round, per day. The pinion 6 units is driven by the program 31 of the impeller 3 and also because one step, one tenth round, daily except one day a month, corresponding to the passage of 31 a month to 1 the next month, where the free space 311 is facing the pinion 6 so that the disk of the units 4 is not driven and the character "1" remains in the display position.

Sous l'action de la roue 32 du mobile de programme 3, le pignon des dizaines 7, et donc le disque des dizaines 5, effectue un tour en trente et un jours. La dent 320 de la roue 32 fait avancer le disque des dizaines 5 d'un pas lors du passage du 31 de chaque mois au 1er du mois suivant pour remplacer sous la partie gauche 10 du guichet un second caractère « 3 », désigné par 51 (figure 6), par un premier caractère « 0 », désigné par 52, puis d'un autre pas lors du passage du 1er au 2 pour remplacer le premier caractère « 0 » par un second caractère « 0 », désigné par 53.Under the action of the wheel 32 of the program mobile 3, the tens pinion 7, and therefore the tens disk 5, performs a turn in thirty-one days. The tooth 320 of the wheel 32 advances the tens disk by one step when changing from the 31st of each month to the 1st of the following month to replace under the left part 10 of the window a second character "3" designated by 51 ( figure 6 ), By a first character "0", designated by 52, then another step when switching from 1 to 2 to replace the first character "0" by a second character "0", designated by 53.

La dent 321 de la roue 32 fait avancer le disque des dizaines 5 d'un pas lors du passage du 5 au 6 pour remplacer sous la partie gauche 10 du guichet le second caractère « 0 » par un troisième caractère « 0 », désigné par 54, puis d'un autre pas lors du passage du 6 au 7 pour remplacer le troisième caractère « 0 » par un dernier caractère « 0 », désigné par 55.The tooth 321 of the wheel 32 advances the tens disc 5 by one step when changing from 5 to 6 to replace the second character "0" under the left part 10 of the window by a third character "0" designated by 54, then another step during the passage from 6 to 7 to replace the third character "0" by a last character "0", designated by 55.

La dent 322 de la roue 32 fait avancer le disque des dizaines 5 d'un pas lors du passage du 9 au 10 de chaque mois pour remplacer sous la partie gauche 10 du guichet le dernier caractère « 0 » par un premier caractère « 1 », désigné par 56, puis d'un autre pas lors du passage du 10 au 11 pour remplacer le premier caractère « 1 » par un second caractère « 1 », désigné par 57.The tooth 322 of the wheel 32 advances the tens disk by one step when changing from the 9th to the 10th of each month to replace, under the left part of the window, the last character "0" by a first character "1". , designated 56, then another step during the passage from 10 to 11 to replace the first character "1" by a second character "1", designated by 57.

La dent 323 de la roue 32 fait avancer le disque des dizaines 5 d'un pas lors du passage du 19 au 20 de chaque mois pour remplacer sous la partie gauche 10 du guichet le second caractère « 1 » par un premier caractère « 2 », désigné par 58, puis d'un autre pas lors du passage du 20 au 21 pour remplacer le premier caractère « 2 » par un second caractère « 2 », désigné par 59.The tooth 323 of the wheel 32 advances the tens disk by one step during the passage of the 19th to the 20th of each month to replace under the left part 10 of the window the second character "1" by a first character "2" , designated 58, then another step when changing from 20 to 21 to replace the first character "2" with a second character "2", designated 59.

Enfin, la dent 324 de la roue 32 fait avancer le disque des dizaines 5 d'un pas lors du passage du 29 au 30 de chaque mois pour remplacer sous la partie gauche 10 du guichet le second caractère « 2 » par un premier caractère « 3 », désigné par 60, puis d'un autre pas lors du passage du 30 au 31 pour remplacer le premier caractère « 3 » par le second caractère « 3 », désigné par 51.Finally, the tooth 324 of the wheel 32 advances the tens disk by one step when changing from the 29th to the 30th of each month to replace, under the left part of the window, the second character "2" by a first character " 3 ", designated 60, then another step when changing from 30 to 31 to replace the first character" 3 "by the second character" 3 ", designated 51.

Entre ces entraînements en rotation des disques 4, 5, ces derniers sont maintenus dans leur position angulaire par des sautoirs respectifs 11, 12 en prise avec les dentures des pignons 6, 7, de manière connue en soi.Between these drives in rotation of the discs 4, 5, the latter are maintained in their angular position by respective jumpers 11, 12 meshing with the teeth of the pinions 6, 7, in a manner known per se.

Pour les mois de trente jours ou moins, la correction de l'indication du quantième s'effectue manuellement au moyen de la tige de mise à l'heure de la pièce d'horlogerie.For months of thirty days or less, the correction of the indication of the date is done manually by means of the time-setting rod of the timepiece.

Avantageusement, selon l'invention, les espaces libres 326-330 prévus sur la périphérie de la roue 32 définissent un diamètre D1 qui est supérieur au diamètre D2 défini par le fond de denture de cette roue 32, ce diamètre D1 étant par ailleurs suffisamment petit pour permettre à la roue 32 de tourner sans entraîner le pignon des dizaines 7 lorsque celui-ci se trouve en regard d'un espace libre, et suffisamment grand pour que, dans la même situation, le pignon 7 soit bloqué en rotation par la roue 32. Ce système de blocage en rotation du pignon 7 est complémentaire du sautoir 12 et a pour fonction d'empêcher que le pignon 7 tourne intempestivement en cas de chocs ou de réglage trop rapide du quantième par l'intermédiaire de la tige de mise à l'heure. Ce système de blocage permet de réduire volontairement la force du sautoir 12 et donc de réduire le couple nécessaire pour faire avancer le disque 5, d'où une économie d'énergie de fonctionnement.Advantageously, according to the invention, the free spaces 326-330 provided on the periphery of the wheel 32 define a diameter D1 which is greater than the diameter D2 defined by the tooth base of this wheel 32, this diameter D1 being otherwise sufficiently small to allow the wheel 32 to rotate without driving the tens gear 7 when it is facing a free space, and large enough so that, in the same situation, the pinion 7 is blocked in rotation by the wheel 32. This locking system in rotation of the pinion 7 is complementary to the jumper 12 and has the function of preventing the pinion 7 turns unexpectedly in the event of shocks or too fast adjustment of the calendar through the rod of adjustment. time. This locking system can voluntarily reduce the force of the jumper 12 and thus reduce the torque required to advance the disk 5, resulting in a saving of operating energy.

Un système de blocage similaire est prévu sur la roue 31. A cet effet, l'espace libre 311 de cette roue 31 définit un diamètre D3 supérieur au diamètre D4 de fond de denture, ce diamètre D3 étant tel que, lorsque le pignon 6 est en regard de l'espace libre 311, la roue 31 puisse tourner sans entraîner le pignon 6 et ce dernier soit bloqué en rotation par la roue 31.A similar locking system is provided on the wheel 31. For this purpose, the free space 311 of this wheel 31 defines a diameter D3 greater than the diameter D4 of the toothing bottom, this diameter D3 being such that, when the pinion 6 is opposite the free space 311, the wheel 31 can rotate without driving the pinion 6 and the latter is locked in rotation by the wheel 31.

La figure 7 montre une variante du mécanisme selon l'invention, dans laquelle les caractères « 0 » du disque des dizaines sont remplacés par des espaces blancs. De tels espaces blancs sont considérés dans le cadre de la présente demande de brevet comme des caractères.The figure 7 shows a variant of the mechanism according to the invention, in which the characters "0" of the tens disk are replaced by white spaces. Such white spaces are considered in the context of the present patent application as characters.

La présente invention a été décrite ci-dessus sous forme d'exemples de réalisation. Il apparaîtra clairement à l'homme du métier que des modifications peuvent être faites sans sortir du cadre de l'invention revendiquée. En particulier, la répartition des caractères portés par le disque des dizaines pourrait être différente, l'important étant que le nombre total de caractères du disque des dizaines soit égal à celui du disque des unités, c'est-à-dire égal à dix, que les caractères « 0 » ou les espaces blancs, tout comme les caractères « 1 » et « 2 », soient consécutifs et en nombre au moins égal à deux, et que les caractères « 3 » soient consécutifs et au nombre de deux.The present invention has been described above as exemplary embodiments. It will be apparent to those skilled in the art that modifications can be made without departing from the scope of the claimed invention. In particular, the distribution of the characters carried by the tens disk could be different, the important thing being that the total number of characters of the tens disk is equal to that of the disk of the units, that is to say equal to ten , that the characters "0" or the white spaces, like the characters "1" and "2", be consecutive and in number at least two, and that the characters "3" be consecutive and two in number.

Claims (9)

  1. Mechanism for displaying the date in a timepiece, comprising first and second disks (4, 5) bearing, respectively, regularly distributed along their periphery, ten characters "0" to "9" representing the numbers of the units of the date, and ten characters representing the numbers of the tens of the date, and a control mechanism (2, 3, 6, 7) able to rotationally move the first and second disks (4, 5) such that the date is indicated by juxtaposed characters (9, 10) respectively borne by the first and second disks (4, 5), characterised in that the characters of the second disk (5) are distributed in four different series, the first being formed of four "0" characters or blank spaces, the second being formed of two "1" characters, the third being formed of two "2" characters and the fourth being formed of two "3" characters.
  2. Mechanism as claimed in Claim 1, characterised in that the control mechanism comprises a first pinion (6) fixedly attached to the first disk (4) and having ten teeth, a second pinion (7) fixedly attached to the second disk (5) and also having ten teeth, and three toothed wheels superposed and fixedly attached to each other (30, 31, 32), a first one (30) of these wheels having thirty-one teeth evenly distributed over its periphery and being intended to be controlled to move one step per day, a second one (31) of these wheels co-operating with the first pinion (6), and the third one (32) of these wheels co-operating with the second pinion (7).
  3. Mechanism as claimed in Claim 2, characterised in that the gear formed by the third wheel (32) and the second pinion (7) is such that each tooth of the third wheel (32), once it has entered the teeth of the second pinion (7), co-operates with a tooth of the second pinion (7) during two consecutive steps.
  4. Mechanism as claimed in Claim 3, characterised in that the third wheel (32) includes on its periphery free spaces (326-330) each taking the place of at least one tooth, these free spaces (326-330) defining a diameter (D1) of the third wheel (32) which is greater than the root diameter (D2) of this third wheel (32) and which is such that when the second pinion (7) is facing one of these free spaces (326-330) the third wheel (32) can rotate without moving the second pinion (7) and the second pinion (7) is prevented from rotating by the third wheel (32).
  5. Mechanism as claimed in Claim 3 or 4, characterised in that the third wheel (32) includes five teeth (320-324) and five free spaces (326-330) between these teeth taking the place, respectively, of three teeth, four teeth, nine teeth, nine teeth and one tooth.
  6. Mechanism as claimed in any one of Claims 2 to 5, characterised in that the gear formed by the second wheel (31) and the first pinion (6) is such that each tooth of the second wheel (31), once it has entered the teeth of the first pinion (6), co-operates with a tooth of the first pinion (6) during two consecutive steps.
  7. Mechanism as claimed in Claim 6, characterised in that the second wheel (31) includes on its periphery twenty-nine teeth (310) and one free space (311) taking the place of two consecutive teeth, this free space (311) defining a diameter (D3) of the second wheel (31) which is greater than the root diameter (D4) of this second wheel (31) and which is such that when the first pinion (6) is facing this free space (311) the second wheel (31) can rotate without moving the first pinion (6) and the first pinion (6) is prevented from rotating by the second wheel (31).
  8. Mechanism as claimed in any one of Claims 1 to 7, characterised in that the first and second disks (4, 5) are co-planar and juxtaposed.
  9. Timepiece comprising a mechanism as defined in any one of Claims 1 to 8.
EP03027108A 2002-12-02 2003-11-26 Date display mechanism for timepiece Expired - Lifetime EP1426836B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0215118 2002-12-02
FR0215118A FR2847992B1 (en) 2002-12-02 2002-12-02 QUANTIME DISPLAY MECHANISM FOR A CLASSIFICATION PART

Publications (3)

Publication Number Publication Date
EP1426836A2 EP1426836A2 (en) 2004-06-09
EP1426836A3 EP1426836A3 (en) 2008-07-30
EP1426836B1 true EP1426836B1 (en) 2009-08-26

Family

ID=32309890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027108A Expired - Lifetime EP1426836B1 (en) 2002-12-02 2003-11-26 Date display mechanism for timepiece

Country Status (4)

Country Link
EP (1) EP1426836B1 (en)
AT (1) ATE441135T1 (en)
DE (1) DE60328956D1 (en)
FR (1) FR2847992B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893726B1 (en) 2005-11-21 2008-01-18 Sylvain Boileau QUANTIME DISPLAY MECHANISM FOR WATCHES
JP4692967B2 (en) * 2006-01-27 2011-06-01 セイコーインスツル株式会社 Calendar clock with two date wheels arranged eccentrically
EP1818737A1 (en) * 2006-02-14 2007-08-15 Harry Winston Ultimate Timepiece SA Timepiece movement comprising a digital display of the hours of the 24-hour type
CH707474A1 (en) * 2013-01-17 2014-07-31 Parmigiani Fleurier S A Timepiece i.e. wrist watch, has driving mechanism driving disks and/or rings in uniform angular steps of around thirty six degrees per day when disks/rings form units and around forty five degrees every five days when disks/rings form tens
EP2985660B1 (en) 2014-08-14 2019-05-22 Montres Tudor S.A. Timepiece device for displaying a time or time-derived indication
EP3040785B1 (en) * 2014-12-30 2017-08-02 ETA SA Manufacture Horlogère Suisse Date display device of a timepiece
CH715472A1 (en) * 2018-10-26 2020-04-30 Richemont Int Sa Control device for watch movement.
EP3779609B1 (en) * 2019-08-13 2022-03-16 Patek Philippe SA Genève Display device for a timepiece
EP3786723B1 (en) * 2019-08-30 2022-03-30 Patek Philippe SA Genève Date display mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH310559A (en) 1953-07-03 1955-10-31 Fontainemelon Horlogerie Calendar timepiece.
CH182972A4 (en) * 1972-02-09 1975-01-31
CH692538A5 (en) * 1998-11-03 2002-07-15 Mct Holding Sa annual calendar mechanism.

Also Published As

Publication number Publication date
EP1426836A3 (en) 2008-07-30
FR2847992B1 (en) 2005-02-25
EP1426836A2 (en) 2004-06-09
FR2847992A1 (en) 2004-06-04
ATE441135T1 (en) 2009-09-15
DE60328956D1 (en) 2009-10-08

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