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EP1426836A2 - Date display mechanism for timepiece - Google Patents

Date display mechanism for timepiece Download PDF

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Publication number
EP1426836A2
EP1426836A2 EP03027108A EP03027108A EP1426836A2 EP 1426836 A2 EP1426836 A2 EP 1426836A2 EP 03027108 A EP03027108 A EP 03027108A EP 03027108 A EP03027108 A EP 03027108A EP 1426836 A2 EP1426836 A2 EP 1426836A2
Authority
EP
European Patent Office
Prior art keywords
pinion
wheel
teeth
characters
mechanism 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.)
Granted
Application number
EP03027108A
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German (de)
French (fr)
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EP1426836A3 (en
EP1426836B1 (en
Inventor
Salvador Arbona
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Technotime Holding Sa-
Original Assignee
Technotime Holding Sa-
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Publication date
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Publication of EP1426836A2 publication Critical patent/EP1426836A2/en
Publication of EP1426836A3 publication Critical patent/EP1426836A3/en
Application granted granted Critical
Publication of EP1426836B1 publication Critical patent/EP1426836B1/en
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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 making it possible to display the date in the form of large format characters.
  • the characters of the first disc consist of 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 integral with each other.
  • the first of these wheels is controlled to take one step per day and has 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.
  • This date display mechanism is relatively complex and expensive to manufacture in this sense, in particular, that it requires carrying out two discs of different sizes, that of the units and that of the tens, and two corresponding sprockets with different sizes and numbers of teeth.
  • the discs of the units and tens bear the same number of characters. These discs, 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 provides a timepiece incorporating the mechanism defined above.
  • a date display module intended to be placed between the dial and the movement of a part timepiece, includes a plate 1 and, mounted on this plate, a mobile intermediate 2, a program mobile 3, two coplanar discs and juxtaposed 4, 5 carrying respectively the unit numbers and the unit numbers tens of the date, and two pinions 6, 7 respectively associated with discs 4, 5.
  • the plate 1 is intended to be fixed on the movement of the workpiece watchmaking.
  • the intermediate mobile 2 comprises a lower pinion 20 and a upper pinion 21 integral with each other and both carrying four teeth.
  • the lower pinion 20, located under the plate 1, is engaged with a crown of transmission 8.
  • This transmission crown 8 is for example the crown of calendar of the watch movement, bearing thirty-one teeth, or, as shown, a crown replacing this date crown and bearing thirty-three teeth.
  • Transmission ring 8 moves one step per day (that is to say by twenty-four hours) and involves in its movement the mobile intermediate 2.
  • the upper pinion 21, located on the upper face of the plate 1, is engaged with the program mobile 3. The latter comprises three wheels superimposed and integral with each other.
  • One of these wheels meshes with the upper pinion 21 and has thirty-one teeth evenly distributed around its periphery.
  • One second of these wheels, designated by 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 teeth consecutive.
  • As for the third of these wheels, designated by 32 it meshes with pinion 7 and has five teeth 320-324 unevenly distributed on its periphery and five free spaces 326-330 between these teeth occupying respectively the place of three teeth, four teeth, nine teeth, nine teeth and a tooth.
  • the disc of the units 4 is integral with the pinion 6 and comprises, regularly distributed along its periphery, characters forming the following sequence: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
  • the tens disc 5 is integral with the pinion 7 and includes, 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 discs 4, 5 are of a large format, that is to say they each occupy on the dial of the timepiece an angular space greater than a thirty-first turn.
  • the timepiece has, in its dial, a window consisting of two juxtaposed parts, a straight part 9 revealing a character carried by the disc of units 4 and indicative of the unit of the date and a left part 10 revealing a character carried by the disc of tens 5 and indicative of the tenth of the calendar.
  • the meshing between the wheel 31 and the pinion of the units 6 is made in such a way that each tooth of wheel 31 (respectively of wheel 32), once it has entered the toothing of the pinion of the units 6 (respectively of the tens pinion 7), cooperates with a tooth of the pinion of the units 6 (respectively of the pinion of the tens 7) during two consecutive steps of the program mobile 3.
  • the wheel 30, and more generally the program mobile 3 takes one step, that is to say a thirty-first revolution, per day.
  • the pinion of the units 6 is driven by the wheel 31 of the program mobile 3 also at the rate of one step, ie a tenth of a turn, per day except one day per month, corresponding to the passage from 31 of a month to the 1st of the following month, where the free space 311 is opposite the pinion 6 so that the disc of the units 4 is not driven and the character "1" remains in the display position.
  • the tens pinion 7, and therefore the tens disc 5 performs one revolution in thirty-one days.
  • the tooth 320 of the wheel 32 advances the tens disc 5 by one step when passing 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 322 of the wheel 32 advances the tens 5 disc by one step during the changeover from 9 to 10 of each month to replace under the left part 10 of the counter the last character "0" by a first character "1", designated by 56, then another step when going from 10 to 11 to replace the first character "1" with a second character "1", designated by 57.
  • the tooth 323 of the wheel 32 advances the tens 5 disc by one step when going from 19 to 20 of each month to replace under the party left 10 of the counter the second character "1" with a first character "2", designated by 58, then another step when going from 20 to 21 to replace the first character "2" with a second character "2", designated by 59.
  • the tooth 324 of the wheel 32 advances the disc tens of 5 by not during the passage from 29 to 30 of each month to replace under the party left 10 of the counter the second character "2" with a first character "3", designated by 60, then another step when going from 30 to 31 to replace the first character "3" with the second character "3", designated by 51.
  • the correction of the indication of date is done manually by means of the time-setting rod 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 toothing of this wheel 32, this diameter D1 being otherwise small enough to allow wheel 32 to turn without drive the pinion of tens 7 when it is opposite a space free, and large enough so that, in the same situation, the pinion 7 is locked in rotation by the wheel 32.
  • This pinion locking system of the pinion 7 is complementary to the jumper 12 and has the function of preventing the pinion 7 unintentionally rotates in the event of shock or too rapid adjustment of the date via the time-setting rod. This blocking system allows voluntarily reduce the strength of the jumper 12 and therefore reduce the torque necessary to advance the disc 5, hence an energy saving of operation.
  • a similar blocking system is provided on the wheel 31.
  • the free space 311 of this wheel 31 defines a diameter D3 greater than the diameter D4 bottom of teeth, this diameter D3 being such that, when the pinion 6 is in look of 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.
  • FIG. 7 shows a variant of the mechanism according to the invention, in which the characters "0" on the tens disc are replaced by white spaces. Such white spaces are considered as part of the this patent application as characters.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analysing Biological Materials (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 making it possible to display the date in the form of large format characters.

On connaít 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 entraíner 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 from the Swiss patent CH 310 559 a display mechanism of calendar comprising first and second discs bearing, regularly distributed along their periphery, characters representing respectively the unit digits and the tens of the date digits, and a mechanism for control able to drive these rotating discs so that the date either 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 consist of 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 integral with each other. The first of these wheels is controlled to take one step per day and has 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, meanwhile, cooperates with the second pinion and has four unevenly distributed teeth so that the number 0 of the tens remains stationary for nine consecutive days by thirty-one days, the numbers 1 and 2 each for ten days consecutive and the number 3 for two consecutive days. The first and second pinions of the control mechanism have the same number of teeth as the number of characters carried respectively by the first and second discs, namely ten teeth and eight teeth respectively.

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 carrying out two discs of different sizes, that of the units and that of the tens, and two corresponding sprockets with different sizes and numbers of teeth.

Pour remédier à cet inconvénient, la présente invention propose 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 des caractères représentant les chiffres des dizaines du quantième, et un mécanisme de commande apte à entraíner 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 également au nombre de dix et sont répartis en quatre séries différentes, la première constituée de caractères « 0 » ou d'espaces blancs en nombre au moins égal à deux, la seconde constituée de caractères « 1 » en nombre au moins égal à deux, la troisième constituée de caractères « 2 » en nombre au moins égal à deux, et la quatrième constituée de deux caractères « 3 ».To overcome this drawback, the present invention provides a mechanism for displaying the date in a timepiece, comprising first and second discs bearing respectively, regularly distributed along their periphery, ten characters "0" to "9" representing the digits of date units and characters representing digits of tens of the date, and a control mechanism capable of driving the first and second discs in rotation so that the date is indicated by juxtaposed characters carried respectively by the first and second discs, characterized in that the characters on the second disc are also ten in number and are divided into four different series, the first consisting of characters "0" or white spaces in number at least equal to two, the second consisting of characters "1" in number at least equal to two, the third consisting of characters "2" in number at least equal to two, 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 discs of the units and tens bear the same number of characters. These discs, 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 provides a timepiece incorporating the mechanism defined above.

D'autres caractéristiques et avantages de la présente invention apparaítront 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 characteristics and advantages of the present invention will appear on reading the following detailed description made with reference to the accompanying drawings in which:
  • Figure 1 is a plan view from above of the date display mechanism according to the invention;
  • Figure 2 is an exploded perspective view of the date display mechanism according to the invention;
  • FIG. 3 is an exploded perspective view of a program mobile included in the date display mechanism according to the invention;
  • Figure 4 is a sectional view, taken along line IV-IV of Figure 1, of the date display mechanism according to the invention;
  • Figure 5 is a sectional view, taken along line VV of Figure 1, showing the program mobile and an intermediate mobile included in the date display mechanism according to the invention;
  • FIG. 6 is a plan view from above of part of the date display mechanism according to the invention; and
  • 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 FIGS. 1 to 5, a date display module according to the invention, intended to be placed between the dial and the movement of a part timepiece, includes a plate 1 and, mounted on this plate, a mobile intermediate 2, a program mobile 3, two coplanar discs and juxtaposed 4, 5 carrying respectively the unit numbers and the unit numbers tens of the date, and two pinions 6, 7 respectively associated with 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 entraíne 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 workpiece watchmaking. The intermediate mobile 2 comprises a lower pinion 20 and a upper pinion 21 integral with each other and both carrying four teeth. The lower pinion 20, located under the plate 1, is engaged with a crown of transmission 8. This transmission crown 8 is for example the crown of calendar of the watch movement, bearing thirty-one teeth, or, as shown, a crown replacing this date crown and bearing thirty-three teeth. Transmission ring 8 moves one step per day (that is to say by twenty-four hours) and involves in its movement the mobile intermediate 2. The upper pinion 21, located on the upper face of the plate 1, is engaged with the program mobile 3. The latter comprises three wheels superimposed and integral with each other. One of these wheels, designated by 30, meshes with the upper pinion 21 and has thirty-one teeth evenly distributed around its periphery. One second of these wheels, designated by 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 teeth consecutive. As for the third of these wheels, designated by 32, it meshes with pinion 7 and has five teeth 320-324 unevenly distributed on its periphery and five free spaces 326-330 between these teeth occupying respectively the place of three teeth, four teeth, nine teeth, nine teeth and a 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 disc of the units 4 is integral with the pinion 6 and comprises, regularly distributed along its periphery, characters forming the following sequence: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. The tens disc 5 is integral with the pinion 7 and includes, 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 discs 4, 5 are of a large format, that is to say they each occupy on the dial of the timepiece an angular space greater than a thirty-first turn.

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

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 wheel 31 (respectively of wheel 32), once it has entered the toothing of the pinion of the units 6 (respectively of the tens pinion 7), cooperates with a tooth of the pinion of the units 6 (respectively of the pinion of the tens 7) during 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 entraíné 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 entraíné et le caractère « 1 » reste en position d'affichage.Under the action of the intermediate mobile 2, the wheel 30, and more generally the program mobile 3, takes one step, that is to say a thirty-first revolution, per day. The pinion of the units 6 is driven by the wheel 31 of the program mobile 3 also at the rate of one step, ie a tenth of a turn, per day except one day per month, corresponding to the passage from 31 of a month to the 1st of the following month, where the free space 311 is opposite the pinion 6 so that the disc 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 disc 5, performs one revolution in thirty-one days. The tooth 320 of the wheel 32 advances the tens disc 5 by one step when passing 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 5 disc by one step when going from 5 to 6 to replace under the left part 10 of the counter the second character "0" by a third character "0", designated by 54, then by another step when switching 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 5 disc by one step during the changeover from 9 to 10 of each month to replace under the left part 10 of the counter the last character "0" by a first character "1", designated by 56, then another step when going from 10 to 11 to replace the first character "1" with 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 5 disc by one step when going from 19 to 20 of each month to replace under the party left 10 of the counter the second character "1" with a first character "2", designated by 58, then another step when going from 20 to 21 to replace the first character "2" with a second character "2", designated by 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 disc tens of 5 by not during the passage from 29 to 30 of each month to replace under the party left 10 of the counter the second character "2" with a first character "3", designated by 60, then another step when going from 30 to 31 to replace the first character "3" with the second character "3", designated by 51.

Entre ces entraínements 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 rotational drives of the discs 4, 5, the latter are held in their angular position by respective jumpers 11, 12 in engagement 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 date is done manually by means of the time-setting rod 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 entraíner 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 toothing of this wheel 32, this diameter D1 being otherwise small enough to allow wheel 32 to turn without drive the pinion of tens 7 when it is opposite a space free, and large enough so that, in the same situation, the pinion 7 is locked in rotation by the wheel 32. This pinion locking system of the pinion 7 is complementary to the jumper 12 and has the function of preventing the pinion 7 unintentionally rotates in the event of shock or too rapid adjustment of the date via the time-setting rod. This blocking system allows voluntarily reduce the strength of the jumper 12 and therefore reduce the torque necessary to advance the disc 5, hence an energy saving of operation.

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 entraíner le pignon 6 et ce dernier soit bloqué en rotation par la roue 31.A similar blocking system is provided on the wheel 31. To this end, the free space 311 of this wheel 31 defines a diameter D3 greater than the diameter D4 bottom of teeth, this diameter D3 being such that, when the pinion 6 is in look of 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.FIG. 7 shows a variant of the mechanism according to the invention, in which the characters "0" on the tens disc are replaced by white spaces. Such white spaces are considered as part of the this patent application as characters.

La présente invention a été décrite ci-dessus sous forme d'exemples de réalisation. Il apparaítra 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 in the form of examples of production. It will be clear 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 is that the total number of characters on the disc tens is equal to that of the units disk, i.e. equal to ten, that the characters "0" or white space, just like characters "1" and "2", are consecutive and in number at least equal to two, and that the characters "3" are consecutive and two in number.

Claims (10)

Mécanisme pour l'affichage du quantième dans une pièce d'horlogerie, comprenant des premier et second disques (4, 5) portant respectivement, régulièrement répartis le long de leur périphérie, dix caractères « 0 » à « 9 » représentant les chiffres des unités du quantième et des caractères représentant les chiffres des dizaines du quantième, et un mécanisme de commande (2, 3, 6, 7) apte à entraíner les premier et second disques (4, 5) en rotation de façon que le quantième soit indiqué par des caractères juxtaposés (9, 10) portés respectivement par les premier et second disques (4, 5), caractérisé en ce que les caractères du second disque (5) sont également au nombre de dix et sont répartis en quatre séries différentes, la première constituée de caractères « 0 » ou d'espaces blancs en nombre au moins égal à deux, la seconde constituée de caractères « 1 » en nombre au moins égal à deux, la troisième constituée de caractères « 2 » en nombre au moins égal à deux, et la quatrième constituée de deux caractères « 3 ».Mechanism for displaying the date in a timepiece, comprising first and second discs (4, 5) carrying respectively, regularly distributed along their periphery, ten characters "0" to "9" representing the numbers of the units of the date and characters representing the numbers of tens of the date, and a control mechanism (2, 3, 6, 7) capable of driving the first and second discs (4, 5) in rotation so that the date is indicated by juxtaposed characters (9, 10) carried respectively by the first and second discs (4, 5), characterized in that the characters of the second disc (5) are also ten in number and are divided into four different series, the first consisting of characters "0" or white spaces in number at least equal to two, the second consisting of characters "1" in number at least equal to two, the third consisting of characters "2" in name bre at least equal to two, and the fourth consisting of two characters "3". Mécanisme selon la revendication 1, caractérisé en ce que la première série est constituée de quatre caractères « 0 », la seconde série est constituée de deux caractères « 1 » et la troisième série est constituée de deux caractères « 2 ».Mechanism according to claim 1, characterized in that the first series consists of four characters "0", the second series consists of two characters "1" and the third series consists of two characters "2". Mécanisme selon la revendication 1 ou 2, caractérisé en ce que le mécanisme de commande comprend un premier pignon (6) solidaire du premier disque (4) et comportant dix dents, un second pignon (7) solidaire du second disque (5) et comportant également dix dents, et trois roue dentées superposées et solidaires les unes des autres (30, 31, 32), une première (30) de ces roues présentant trente et une dents uniformément réparties sur sa périphérie et étant destinée à être commandée pour faire un pas par jour, une seconde (31) de ces roues coopérant avec le premier pignon (6), et la troisième (32) de ces roues coopérant avec le second pignon (7).Mechanism according to claim 1 or 2, characterized in that the control mechanism comprises a first pinion (6) integral with the first disc (4) and comprising ten teeth, a second pinion (7) integral with the second disc (5) and comprising also ten teeth, and three superimposed toothed wheels integral with one another (30, 31, 32), a first (30) of these wheels having thirty-one teeth uniformly distributed on its periphery and being intended to be controlled to make a not per day, a second (31) of these wheels cooperating with the first pinion (6), and the third (32) of these wheels cooperating with the second pinion (7). Mécanisme selon la revendication 3, caractérisé en ce que l'engrenage formé par la troisième roue (32) et le second pignon (7) est tel que chaque dent de la troisième roue (32), une fois qu'elle a pénétré dans la denture du second pignon (7), coopère avec une dent du second pignon (7) pendant deux pas consécutifs.Mechanism according to claim 3, characterized 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 toothing of the second pinion (7), cooperates with a tooth of the second pinion (7) for two consecutive steps. Mécanisme selon la revendication 4, caractérisé en ce que la troisième roue (32) comporte sur sa périphérie des espaces libres (326-330) occupant chacun la place d'au moins une dent, ces espaces libres (326-330) définissant un diamètre (D1) de la troisième roue (32) qui est supérieur au diamètre (D2) de fond de denture de cette troisième roue (32) et qui est tel que, lorsque le second pignon (7) est en regard de l'un de ces espaces libres (326-330), la troisième roue (32) puisse tourner sans entraíner le second pignon (7) et le second pignon (7) soit bloqué en rotation par la troisième roue (32).Mechanism according to claim 4, characterized in that the third wheel (32) has on its periphery free spaces (326-330) each occupying 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 diameter (D2) of the backbone of this third wheel (32) and which is such that, when the second pinion (7) is opposite one of these free spaces (326-330), the third wheel (32) can rotate without causing the second pinion (7) and the second pinion (7) is blocked in rotation by the third wheel (32). Mécanisme selon la revendication 4 ou 5 lorsqu'elle dépend de la revendication 2, caractérisé en ce que la troisième roue (32) comporte cinq dents (320-324) et cinq espaces libres (326-330) entre ces dents occupant la place, respectivement, de trois dents, quatre dents, neuf dents, neuf dents et une dent.Mechanism according to claim 4 or 5 when it depends on claim 2, characterized in that the third wheel (32) has five teeth (320-324) and five free spaces (326-330) between these teeth occupying the place, respectively, three teeth, four teeth, nine teeth, nine teeth and one tooth. Mécanisme selon l'une quelconque des revendications 3 à 6, caractérisé en ce que l'engrenage formé par la seconde roue (31) et le premier pignon (6) est tel que chaque dent de la seconde roue (31), une fois qu'elle a pénétré dans la denture du premier pignon (6), coopère avec une dent du premier pignon (6) pendant deux pas consécutifs.Mechanism according to any one of Claims 3 to 6, characterized 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), cooperates with a tooth of the first pinion (6) for two consecutive steps. Mécanisme selon la revendication 7, caractérisé en ce que la seconde roue (31) comporte sur sa périphérie vingt-neuf dents (310) et un espace libre (311) occupant la place de deux dents consécutives, cet espace libre (311) définissant un diamètre (D3) de la seconde roue (31) qui est supérieur au diamètre (D4) de fond de denture de cette seconde roue (31) et qui est tel que, lorsque le premier pignon (6) est en regard de cet espace libre (311), la seconde roue (31) puisse tourner sans entraíner le premier pignon (6) et le premier pignon (6) soit bloqué en rotation par la seconde roue (31).Mechanism according to claim 7, characterized in that the second wheel (31) has on its periphery twenty-nine teeth (310) and a free space (311) occupying the place of two consecutive teeth, this free space (311) defining a diameter (D3) of the second wheel (31) which is greater than the diameter (D4) of the backbone of this second wheel (31) and which is such that, when the first pinion (6) faces this free space (311), the second wheel (31) can rotate without causing the first pinion (6) and the first pinion (6) is blocked in rotation by the second wheel (31). Mécanisme selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les premier et second disques (4, 5) sont coplanaires et juxtaposés.Mechanism according to any one of claims 1 to 8, characterized in that the first and second discs (4, 5) are coplanar and juxtaposed. Pièce d'horlogerie comprenant un mécanisme tel que défini dans l'une quelconque des revendications 1 à 9.Timepiece comprising a mechanism as defined in one any of claims 1 to 9.
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
FR0215118A FR2847992B1 (en) 2002-12-02 2002-12-02 QUANTIME DISPLAY MECHANISM FOR A CLASSIFICATION PART
FR0215118 2002-12-02

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EP1426836A2 true EP1426836A2 (en) 2004-06-09
EP1426836A3 EP1426836A3 (en) 2008-07-30
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AT (1) ATE441135T1 (en)
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FR (1) FR2847992B1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057776A2 (en) * 2005-11-21 2007-05-24 Sylvain Boileau Time piece provided with a date dial
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
EP2985660A1 (en) 2014-08-14 2016-02-17 Rolex Sa Timepiece device for displaying a time or time-derived indication
EP3040785A1 (en) * 2014-12-30 2016-07-06 ETA SA Manufacture Horlogère Suisse Date display device of a timepiece
EP3644131A1 (en) * 2018-10-26 2020-04-29 Richemont International S.A. Control device for clock movement
EP3779609A1 (en) * 2019-08-13 2021-02-17 Patek Philippe SA Genève Display device for a timepiece
EP3786723A1 (en) * 2019-08-30 2021-03-03 Patek Philippe SA Genève Display mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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CH310559A (en) 1953-07-03 1955-10-31 Fontainemelon Horlogerie Calendar timepiece.
EP0999482A2 (en) 1998-11-03 2000-05-10 Mct Holding Sa Annual calendar mechanism

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Publication number Priority date Publication date Assignee Title
CH310559A (en) 1953-07-03 1955-10-31 Fontainemelon Horlogerie Calendar timepiece.
EP0999482A2 (en) 1998-11-03 2000-05-10 Mct Holding Sa Annual calendar mechanism

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057776A2 (en) * 2005-11-21 2007-05-24 Sylvain Boileau Time piece provided with a date dial
FR2893726A1 (en) * 2005-11-21 2007-05-25 Sylvain Boileau QUANTIME DISPLAY MECHANISM FOR WATCHES
WO2007057776A3 (en) * 2005-11-21 2007-11-08 Sylvain Boileau Time piece provided with a date dial
US7532545B2 (en) 2005-11-21 2009-05-12 Sylvain Boileau Time piece provided with a date dial
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
EP2985660A1 (en) 2014-08-14 2016-02-17 Rolex Sa Timepiece device for displaying a time or time-derived indication
EP3040785A1 (en) * 2014-12-30 2016-07-06 ETA SA Manufacture Horlogère Suisse Date display device of a timepiece
EP3644131A1 (en) * 2018-10-26 2020-04-29 Richemont International S.A. Control device for clock movement
CH715472A1 (en) * 2018-10-26 2020-04-30 Richemont Int Sa Control device for watch movement.
EP3779609A1 (en) * 2019-08-13 2021-02-17 Patek Philippe SA Genève Display device for a timepiece
EP3786723A1 (en) * 2019-08-30 2021-03-03 Patek Philippe SA Genève Display mechanism

Also Published As

Publication number Publication date
EP1426836A3 (en) 2008-07-30
ATE441135T1 (en) 2009-09-15
DE60328956D1 (en) 2009-10-08
FR2847992B1 (en) 2005-02-25
EP1426836B1 (en) 2009-08-26
FR2847992A1 (en) 2004-06-04

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