EP1729185B1 - Timepiece with a device for the display of the rank of the week in the current year - Google Patents

Timepiece with a device for the display of the rank of the week in the current year Download PDF

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Publication number
EP1729185B1
EP1729185B1 EP20050104810 EP05104810A EP1729185B1 EP 1729185 B1 EP1729185 B1 EP 1729185B1 EP 20050104810 EP20050104810 EP 20050104810 EP 05104810 A EP05104810 A EP 05104810A EP 1729185 B1 EP1729185 B1 EP 1729185B1
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European Patent Office
Prior art keywords
week
weeks
fifty
timepiece
year
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EP20050104810
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German (de)
French (fr)
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EP1729185A1 (en
Inventor
Marco Rochat
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Blancpain SA
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Blancpain 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
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands

Definitions

  • the invention relates to a timepiece provided with a display device of the rank of the week in the current year.
  • the invention relates more particularly to a timepiece comprising a week mechanism which controls a display member of the week rank in the year and which is controlled mechanically by a watch movement.
  • a timepiece of this type is described, for example, in the document EP 0 366 610 .
  • This document describes and represents a watch with a needle that indicates the rank of the week in the current year.
  • the needle is designed to operate on a cycle of 52 weeks so that, when the current year comprises 53 weeks, it is necessary to intervene manually on the training means of the needle, at the end of the year, to correct the indication that shifts by one week.
  • the needle is intended to operate on a 53 week cycle so that when the current year has 52 weeks, it is necessary to perform a manual correction similar to that mentioned above.
  • the invention aims to remedy these drawbacks.
  • the invention proposes a timepiece comprising a week mechanism which controls a display member of the rank of the week in the year and which is mechanically controlled by a watch movement, characterized in that it comprises a selection device of the total number of weeks in a year, which device controls the week mechanism so that the rank display member of the week selectively performs either a fifty-two week cycle or a cycle of fifty-three weeks.
  • timepiece 10 which comprises display means 12 of the rank R of the week in the current year and which is produced in accordance with the teachings of the invention.
  • the timepiece 10 is constituted here by a watch comprising a mechanical watch movement 14 and a dial 16 of analog display.
  • the display means 12 of the row R of the week are constituted by fifty-three graduations 18, which are distributed angularly around the circular periphery of the peripheral edge of the dial 16, and by a week hand 20, whose axis of rotation is located in the center of the dial 16.
  • the watch movement 14 includes a week mechanism 22 which controls the movements of the week hand 20 about its axis.
  • the timepiece 10 is provided with a selection device 76 of the total number of weeks N in a year.
  • This selection device 76 is provided to control the week mechanism 22 so that the week hand 20 selectively performs either a fifty-two week cycle or a fifty-three week cycle.
  • the selection device 76 comprises an external control means 78 such as a push button, which makes it possible to manually select the total number of weeks N in the current year, and a means of auxiliary display 80 which displays the number N selected.
  • an external control means 78 such as a push button, which makes it possible to manually select the total number of weeks N in the current year, and a means of auxiliary display 80 which displays the number N selected.
  • the auxiliary display means 80 here comprises a selection needle 82 which pivots between two angular positions respectively indicating the number "53" and the number "52".
  • the watch movement 14 includes a display mechanism 24 of the day of the week.
  • This display mechanism 24 includes a seven-toothed 26-day star which carries an indicator disc 28 of days and which is rotated in the clockwise direction by the watch movement 14 at the rate of one tooth per day.
  • the star of days 26 is positioned by a jumper 30. She also wears a training finger of weeks 32.
  • the 32 weeks' finger trainer activates the week 22 mechanism so that it displays the rank R of the current week.
  • the drive of the week mechanism 22 by the finger 32 is via a drive pinion 34 and a drive gear 36 held in position by a jumper 38.
  • the drive gear 36 is rotatably connected to an intermediate wheel 40.
  • the intermediate wheel 40 drives a week management wheel 42 on which is fixed a cam 44.
  • This cam 44 is provided to control the position of a jumper of week 46.
  • the cam 44 has a control surface 45 in the form of a spiral, that is to say in the form of disc of progressively increasing radius, here in the clockwise direction.
  • the control surface 45 cooperates with a roller 48 fixed on the jumper of week 46.
  • the course of the jumper of week 46 is regulated and limited by an eccentric 50.
  • the week mechanism 22 is provided with a differential gear 52 which is composed of an output mobile 54, comprising an output wheel 56 and an output gear 58, an input ring gear 60 with external teeth, two satellites 62, 64, and a bearing ring 66 with internal teeth.
  • the satellites 62, 64 are carried by the input ring 60 and they mesh, on the one hand, with the internal toothing of the bearing ring 66 and, on the other hand, with the output pinion 58.
  • the intermediate wheel 40 meshes with the output wheel 56, which causes the rotation of the input ring 60 via the satellites 62, 64, the support ring 66 being immobilized.
  • the entry ring 60 drives a week wheel 68 one step per week.
  • the week wheel 68 is positioned by a jumper 70 and carries the week hand 20.
  • the entry crown 60 also drives an end-of-year jump management wheel 72 which carries a pin 74 and which is coaxial with the weeks management wheel 42.
  • the assembly formed by the weeks management wheel 42, the cam 44, the week long jumper 46 and the end-of-year jump management wheel 72 constitutes a year-end jump mechanism 75.
  • the selection device 76 comprises a selection rake 84 which meshes with an external toothed portion 86 of the bearing ring 66 of the differential gear 52.
  • the selection rake 84 is pivotally mounted between two indexed angular positions respectively corresponding to the two possible values of the total number of weeks N.
  • the pivoting of the selection rake 84 is controlled by the external control means 78 via a column wheel 88 positioned in a conventional manner by this control means 78.
  • the selection rake 84 meshes with a selection gear 90 which carries the selection needle 82.
  • Each indexed angular position of the selection rake 84 corresponds to an indexed angular position of the selection needle 82 which then displays the total number of weeks N selected.
  • the selection pinion 90 is provided with a spiral spring 92 which makes it possible to compensate the gear sets for preventing parasitic movements of the selection needle 82.
  • the display of the rank R of the week is as follows.
  • the training finger of the weeks 32 causes the driver 36 to be returned via the drive pinion 34.
  • the rotation of the coach referral 36 in the clockwise direction causes the rotation of the output wheel 56 via the intermediate wheel 40.
  • the rotation of the output wheel 56 in the counterclockwise direction causes the rotation of the input ring 60 in the counter-clockwise direction, via the satellites 62, 64, the bearing ring 66 being immobilized in an angular position determined by the angular position of the selection rake 84.
  • Rotation of the input ring 60 then causes rotation of the week wheel 68 clockwise by one step, causing the week hand 20 to pivot one step.
  • the week hand 20 then indicates the rank R of the new week.
  • gear ratio between the input ring 60 and the week wheel 68, and between the input ring 60 and the end-of-year jump management wheel 72 is equal to one.
  • the rotation of the intermediate wheel 40 drives the weeks management wheel 42 in the counter-clockwise direction, which causes an equivalent pivoting of the cam 44 counter-clockwise.
  • the roller 48 cooperates with the control surface 45 to cause the jumper of week 46 to swing outwards.
  • the roller 48 of the week-long jumper 46 arrives at the end of the cam 44, where the control surface 45 forms a notch, which causes the jumper of week 46 to tilt inwards.
  • the angular position of the pin 74, relative to the angular position of the cam 44, is such that the jumper of week 46 does not push the pin 74 when it toggles so he does not impose any extra movement on him. Indeed, at the same time as the jumper of week 46 toggles inwards, the pin 74 pivots clockwise with the end-of-year jumping wheel 72, moving away from a so-called actuation end 94 of the week long jumper 46.
  • the week-long jumper 46 and the pin 74 are in an initial configuration of the beginning of the year, illustrated by the figure 2 wherein the actuating end 94 is substantially adjacent to the pin 74 and the roller 48 is substantially adjacent to the control surface 45 of the cam 44.
  • control means 78 is actuated which causes a pivoting of the selection rake 84, here in the counterclockwise direction.
  • the selection rake 84 drives the bearing ring 66 in the clockwise direction which causes, via the satellites 62, 64, a pivoting of the output pinion 58 in the counterclockwise direction, the input ring 60 being held fixed by the week wheel 68 which is locked in rotation by its jumper 70.
  • the pivoting of the output gear 58 causes the intermediate wheel 40 to pivot in a clockwise direction via the output wheel 56.
  • the pivoting of the intermediate wheel 40 drives the week management wheel 42 in the counter-clockwise direction, which shifts the cam 44 one-fifty-third of a turn counter-clockwise.
  • the wheel 46 of the jumper of week 46 will then arrive at the top of the cam 44 a week earlier, so at the end of the fifty-second week.
  • the jumper of week 46 switches inwards, in the same manner as described above.
  • the pin 74 is vis-à-vis the actuating surface 94 of the jumper of week 46.
  • the jumper of week 46 then pushes the pin 74 in the direction time, which causes the input ring 60 in the counterclockwise direction, via the end of year jump management wheel 72.
  • the input ring 60 then drives the wheel of week 68 clockwise, until the week 20 needle reaches the graduation of the first week.
  • the step caused by the jumper of week 46 is added to the weekly step produced by the pivoting of the star of days 26. Therefore, at the end of the fifty-second week, the week hand 20 pivots two not, from the graduation "52" to the graduation "01".
  • the mechanism of week 22 is again in an initial configuration of the beginning of the year, similar to that of the figure 2 , but the cam 44 always has a step in advance since the total number of weeks N selected is still fifty-two.
  • the end-of-year leap is performed in the manner described above, with the week hand 20 passing in two steps of the graduation "52" at the graduation "01".

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Description

L'invention concerne une pièce d'horlogerie munie d'un dispositif d'affichage du rang de la semaine dans l'année en cours.The invention relates to a timepiece provided with a display device of the rank of the week in the current year.

L'invention concerne plus particulièrement une pièce d'horlogerie comportant un mécanisme de semaine qui commande un organe d'affichage du rang de la semaine dans l'année et qui est commandé mécaniquement par un mouvement horloger.The invention relates more particularly to a timepiece comprising a week mechanism which controls a display member of the week rank in the year and which is controlled mechanically by a watch movement.

Une pièce d'horlogerie de ce type est décrite, par exemple, dans le document EP 0 366 610 . Ce document décrit et représente une montre munie d'une aiguille qui indique le rang de la semaine dans l'année en cours.A timepiece of this type is described, for example, in the document EP 0 366 610 . This document describes and represents a watch with a needle that indicates the rank of the week in the current year.

Selon un premier mode de réalisation, l'aiguille est prévue pour fonctionner sur un cycle de 52 semaines de sorte que, lorsque l'année en cours comporte 53 semaines, il est nécessaire d'intervenir manuellement sur les moyens d'entraînement de l'aiguille, à la fin de l'année, pour corriger l'indication qui se décale d'une semaine.According to a first embodiment, the needle is designed to operate on a cycle of 52 weeks so that, when the current year comprises 53 weeks, it is necessary to intervene manually on the training means of the needle, at the end of the year, to correct the indication that shifts by one week.

Selon un second mode de réalisation, l'aiguille est prévue pour fonctionner sur un cycle de 53 semaines de sorte que, lorsque l'année en cours comporte 52 semaines, il est nécessaire d'effectuer une correction manuelle similaire à celle mentionnée précédemment.According to a second embodiment, the needle is intended to operate on a 53 week cycle so that when the current year has 52 weeks, it is necessary to perform a manual correction similar to that mentioned above.

Ce système n'est pas complètement satisfaisant car l'utilisateur peut facilement oublier d'effectuer la correction en début d'année, ce qui provoque un décalage dans le rang de la semaine indiqué par l'aiguille. L'utilisateur ne possède aucun moyen pour prendre connaissance de ce décalage, excepté en comparant l'affichage de la montre avec un calendrier.This system is not completely satisfactory because the user can easily forget to perform the correction at the beginning of the year, which causes a shift in the row of the week indicated by the needle. The user has no way of knowing about this offset, except by comparing the display of the watch with a calendar.

De plus, lorsque la pièce d'horlogerie fonctionne sur un cycle de 52 semaines, il n'est pas prévu de graduation indiquant la 53ème semaine de sorte que, pendant la 53ème semaine, l'indication donnée par l'aiguille sera erronée.In addition, when the timepiece operates on a cycle of 52 weeks, it is not expected graduation indicating the 53 rd week so that during the 53 th week, the indication given by the needle will be wrong .

L'invention vise à remédier à ces inconvénients.The invention aims to remedy these drawbacks.

Dans ce but, l'invention propose une pièce d'horlogerie comportant un mécanisme de semaine qui commande un organe d'affichage du rang de la semaine dans l'année et qui est commandé mécaniquement par un mouvement horloger, caractérisée en ce qu'elle comporte un dispositif de sélection du nombre total de semaines dans une année, dispositif qui commande le mécanisme de semaine de manière que l'organe d'affichage du rang de la semaine effectue sélectivement soit un cycle de cinquante-deux semaines, soit un cycle de cinquante-trois semaines.For this purpose, the invention proposes a timepiece comprising a week mechanism which controls a display member of the rank of the week in the year and which is mechanically controlled by a watch movement, characterized in that it comprises a selection device of the total number of weeks in a year, which device controls the week mechanism so that the rank display member of the week selectively performs either a fifty-two week cycle or a cycle of fifty-three weeks.

Selon d'autres caractéristiques de l'invention :

  • le dispositif de sélection comporte un organe d'affichage auxiliaire qui affiche le nombre total de semaines sélectionné ;
  • le dispositif de sélection comporte un moyen de commande externe qui permet de sélectionner manuellement le nombre total de semaines ;
  • le mécanisme de semaine est entraîné par un organe d'actionnement rotatif qui effectue une rotation complète en sept jours et qui provoque le pivotement d'une roue de semaine portant l'organe d'affichage du rang de la semaine d'un pas par semaine, via un engrenage différentiel, et le mécanisme de semaine comprend un mécanisme de gestion du saut de fin d'année qui coopère avec l'engrenage différentiel pour provoquer le pivotement de la roue de semaine d'un pas supplémentaire à la fin de la cinquante-deuxième semaine, lorsque le nombre total de semaines sélectionné est cinquante-deux.
  • le mécanisme de gestion du saut de fin d'année comporte une came qui effectue une rotation complète en cinquante-trois semaines et qui coopère, par sa surface de commande, avec un galet porté par un sautoir de semaine, de manière que le sautoir de semaine bascule une fois par an vers une goupille excentrée portée par une roue liée en rotation à la roue de semaine, via l'engrenage différentiel, et le dispositif de sélection commande le déphasage angulaire entre la came et la goupille de manière que :
    • * lorsque le nombre total de semaines sélectionné est cinquante-deux, le basculement du sautoir de semaine intervienne à la fin de la cinquante-deuxième semaine et pousse la goupille d'un pas angulaire pour provoquer le pivotement de la roue de semaine d'un pas supplémentaire, et
    • * lorsque le nombre total de semaines sélectionné est cinquante-trois, le basculement du sautoir de semaine intervienne à la fin de la cinquante-troisième semaine, sans pousser la goupille.
  • le dispositif de sélection comporte un élément d'engrenage de sélection qui pivote entre deux positions angulaires correspondant respectivement à une année de cinquante-deux semaines et à une année de cinquante-trois semaines, et qui engrène avec une portion dentée de l'engrenage différentiel pour commander le déphasage angulaire entre la came et la goupille;
  • l'élément d'engrenage de sélection entraîne un pignon de sélection qui porte l'organe d'affichage auxiliaire ;
  • l'organe d'actionnement rotatif qui effectue une rotation complète en une semaine est porté par une étoile des jours à sept dents entraînée à rotation par le mouvement horloger à raison d'une dent par jour.
According to other features of the invention:
  • the selection device comprises an auxiliary display member which displays the total number of weeks selected;
  • the selection device comprises an external control means which makes it possible to manually select the total number of weeks;
  • the week mechanism is driven by a rotational actuator which performs a complete rotation in seven days and which causes the pivoting of a week wheel carrying the weekly rank display member by one step per week , via a differential gear, and the week mechanism includes an end-of-year jump management mechanism that cooperates with the differential gear to cause the week wheel to pivot one step further at the end of the fifty. - second week, when the total number of weeks selected is fifty-two.
  • the management mechanism of the end of year leap comprises a cam which performs a complete rotation in fifty-three weeks and which cooperates, by its control surface, with a roller carried by a jumper of week, so that the jumper of week switches once a year to an eccentric pin carried by a wheel rotatably connected to the week wheel, via the differential gear, and the selection device controls the angular phase shift between the cam and the pin so that:
    • * When the total number of weeks selected is fifty-two, the changeover of the week long jumper occurs at the end of the fifty-second week and pushes the pin of an angular step to cause the pivoting of the week wheel of a not extra, and
    • * When the total number of weeks selected is fifty-three, the changeover of the weekly jumper occurs at the end of the fifty-third week, without pushing the pin.
  • the selection device comprises a selection gear element which pivots between two angular positions corresponding respectively to a year of fifty-two weeks and to a year of fifty-three weeks, and which meshes with a toothed portion of the differential gearing to control the angular phase shift between the cam and the pin;
  • the selection gear element drives a selection gear which carries the auxiliary display member;
  • the rotating actuator which rotates completely in one week is carried by a seven-toothed day star rotated by the watch movement at the rate of one tooth per day.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit, faite en référence aux dessins annexés donnés à titre d'exemple non limitatifs et dans lesquels :

  • la figure 1 est une vue de dessus qui représente schématiquement une pièce d'horlogerie pourvue d'un dispositif de sélection du nombre total de semaines dans une année, conforme aux enseignements de l'invention ;
  • la figure 2 est une vue par transparence qui représente schématiquement la pièce d'horlogerie de la figure 1 lorsque le nombre total de semaines sélectionné par le dispositif de sélection est cinquante-trois.
Other features and advantages of the present invention will appear more clearly on reading the detailed description which follows, made with reference to the accompanying drawings given by way of non-limiting example and in which:
  • the figure 1 is a top view which schematically shows a timepiece provided with a selection device of the total number of weeks in a year, according to the teachings of the invention;
  • the figure 2 is a view by transparency which schematically represents the timepiece of the figure 1 when the total number of weeks selected by the selection device is fifty-three.

Dans la suite de la description, on utilisera à titre non limitatif des sens de rotation horaire et anti-horaire correspondant à l'orientation des figures.In the remainder of the description, use will be made without limitation of the clockwise and counterclockwise directions of rotation corresponding to the orientation of the figures.

Sur les figures 1 et 2, on a représenté une pièce d'horlogerie 10 qui comporte des moyens d'affichage 12 du rang R de la semaine dans l'année en cours et qui est réalisée conformément aux enseignements de l'invention.On the figures 1 and 2 there is shown a timepiece 10 which comprises display means 12 of the rank R of the week in the current year and which is produced in accordance with the teachings of the invention.

La pièce d'horlogerie 10 est constituée ici par une montre comportant un mouvement horloger 14 mécanique et un cadran 16 d'affichage analogique.The timepiece 10 is constituted here by a watch comprising a mechanical watch movement 14 and a dial 16 of analog display.

Selon le mode de réalisation représenté ici, les moyens d'affichage 12 du rang R de la semaine sont constitués par cinquante-trois graduations 18, qui sont réparties angulairement sur le pourtour circulaire du bord périphérique du cadran 16, et par une aiguille de semaine 20, dont l'axe de rotation est situé au centre du cadran 16.According to the embodiment shown here, the display means 12 of the row R of the week are constituted by fifty-three graduations 18, which are distributed angularly around the circular periphery of the peripheral edge of the dial 16, and by a week hand 20, whose axis of rotation is located in the center of the dial 16.

Le mouvement horloger 14 comporte un mécanisme de semaine 22 qui commande les déplacements de l'aiguille de semaine 20 autour de son axe.The watch movement 14 includes a week mechanism 22 which controls the movements of the week hand 20 about its axis.

Conformément aux enseignements de l'invention, la pièce d'horlogerie 10 est munie d'un dispositif de sélection 76 du nombre total de semaines N dans une année. Ce dispositif de sélection 76 est prévu pour commander le mécanisme de semaine 22 de manière que l'aiguille de semaine 20 effectue sélectivement, soit un cycle de cinquante-deux semaines, soit un cycle de cinquante-trois semaines.According to the teachings of the invention, the timepiece 10 is provided with a selection device 76 of the total number of weeks N in a year. This selection device 76 is provided to control the week mechanism 22 so that the week hand 20 selectively performs either a fifty-two week cycle or a fifty-three week cycle.

Selon le mode de réalisation représenté ici, le dispositif de sélection 76 comporte un moyen de commande externe 78 tel qu'un bouton poussoir, qui permet de sélectionner manuellement le nombre total de semaines N dans l'année en cours, et un moyen d'affichage auxiliaire 80 qui affiche le nombre N sélectionné.According to the embodiment shown here, the selection device 76 comprises an external control means 78 such as a push button, which makes it possible to manually select the total number of weeks N in the current year, and a means of auxiliary display 80 which displays the number N selected.

Le moyen d'affichage auxiliaire 80 comporte ici une aiguille de sélection 82 qui pivote entre deux positions angulaires indiquant respectivement le chiffre « 53 » et le chiffre « 52 ».The auxiliary display means 80 here comprises a selection needle 82 which pivots between two angular positions respectively indicating the number "53" and the number "52".

On décrit maintenant un mode de réalisation avantageux d'un mécanisme de semaine 22 équipé du dispositif de sélection 76 selon l'invention.An advantageous embodiment of a week mechanism 22 equipped with the selection device 76 according to the invention will now be described.

Selon le mode de réalisation représenté, le mouvement horloger 14 comporte un mécanisme d'affichage 24 du jour de la semaine. Ce mécanisme d'affichage 24 comporte une étoile des jours 26 à sept dents qui porte un disque 28 indicateur des jours et qui est entraînée en rotation dans le sens horaire par le mouvement horloger 14 à raison d'une dent par jour.According to the embodiment shown, the watch movement 14 includes a display mechanism 24 of the day of the week. This display mechanism 24 includes a seven-toothed 26-day star which carries an indicator disc 28 of days and which is rotated in the clockwise direction by the watch movement 14 at the rate of one tooth per day.

Sur la figure 1, on a représenté schématiquement sur le cadran 16 la fenêtre d'affichage 29 correspondant au disque 28 indicateur des jours.On the figure 1 schematically shown on the dial 16 the display window 29 corresponding to the disc 28 days indicator.

L'étoile des jours 26 est positionnée par un sautoir 30. Elle 26 porte aussi un doigt entraîneur des semaines 32.The star of days 26 is positioned by a jumper 30. She also wears a training finger of weeks 32.

Chaque début de semaine, lors du passage de dimanche à lundi, le doigt entraîneur des semaines 32 actionne le mécanisme de semaine 22 de manière qu'il affiche le rang R de la semaine en cours. L'entraînement du mécanisme de semaine 22 par le doigt 32 se fait via un pignon entraîneur 34 et un renvoi entraîneur 36 maintenu en position par un sautoir 38. Le renvoi entraîneur 36 est solidaire en rotation d'une roue intermédiaire 40.At the beginning of each week, during the shift from Sunday to Monday, the 32 weeks' finger trainer activates the week 22 mechanism so that it displays the rank R of the current week. The drive of the week mechanism 22 by the finger 32 is via a drive pinion 34 and a drive gear 36 held in position by a jumper 38. The drive gear 36 is rotatably connected to an intermediate wheel 40.

La roue intermédiaire 40 entraîne une roue de gestion des semaines 42 sur laquelle est fixée une came 44. Cette came 44 est prévue pour commander la position d'un sautoir de semaine 46. A cet effet, la came 44 comporte une surface de commande 45 en forme de spirale, c'est-à-dire en forme de disque de rayon progressivement croissant, ici dans le sens horaire. La surface de commande 45 coopère avec un galet 48 fixé sur le sautoir de semaine 46.The intermediate wheel 40 drives a week management wheel 42 on which is fixed a cam 44. This cam 44 is provided to control the position of a jumper of week 46. For this purpose, the cam 44 has a control surface 45 in the form of a spiral, that is to say in the form of disc of progressively increasing radius, here in the clockwise direction. The control surface 45 cooperates with a roller 48 fixed on the jumper of week 46.

La course du sautoir de semaine 46 est réglée et limitée par un excentrique 50.The course of the jumper of week 46 is regulated and limited by an eccentric 50.

Le mécanisme de semaine 22 est pourvu d'un engrenage différentiel 52 qui est composé d'un mobile de sortie 54, comprenant une roue de sortie 56 et un pignon de sortie 58, d'une couronne d'entrée 60 à denture externe, de deux satellites 62, 64, et d'une couronne d'appui 66 à denture interne.The week mechanism 22 is provided with a differential gear 52 which is composed of an output mobile 54, comprising an output wheel 56 and an output gear 58, an input ring gear 60 with external teeth, two satellites 62, 64, and a bearing ring 66 with internal teeth.

Les satellites 62, 64 sont portés par la couronne d'entrée 60 et ils engrènent, d'une part, avec la denture interne de la couronne d'appui 66 et, d'autre part, avec le pignon de sortie 58.The satellites 62, 64 are carried by the input ring 60 and they mesh, on the one hand, with the internal toothing of the bearing ring 66 and, on the other hand, with the output pinion 58.

La roue intermédiaire 40 engrène avec la roue de sortie 56, ce qui provoque la rotation de la couronne d'entrée 60, via les satellites 62, 64, la couronne d'appui 66 étant immobilisée.The intermediate wheel 40 meshes with the output wheel 56, which causes the rotation of the input ring 60 via the satellites 62, 64, the support ring 66 being immobilized.

La couronne d'entrée 60 entraîne une roue de semaine 68 d'un pas par semaine. La roue de semaine 68 est positionnée par un sautoir 70 et elle porte l'aiguille de semaine 20.The entry ring 60 drives a week wheel 68 one step per week. The week wheel 68 is positioned by a jumper 70 and carries the week hand 20.

La couronne d'entrée 60 entraîne aussi une roue de gestion de saut de fin d'année 72 qui porte une goupille 74 et qui est coaxiale à la roue de gestion des semaines 42.The entry crown 60 also drives an end-of-year jump management wheel 72 which carries a pin 74 and which is coaxial with the weeks management wheel 42.

L'ensemble formé par la roue de gestion des semaines 42, par la came 44, par le sautoir de semaine 46 et par la roue de gestion de saut de fin d'année 72 constitue un mécanisme de saut de fin d'année 75.The assembly formed by the weeks management wheel 42, the cam 44, the week long jumper 46 and the end-of-year jump management wheel 72 constitutes a year-end jump mechanism 75.

Le dispositif de sélection 76 comporte un râteau de sélection 84 qui engrène avec une portion dentée externe 86 de la couronne d'appui 66 de l'engrenage différentiel 52.The selection device 76 comprises a selection rake 84 which meshes with an external toothed portion 86 of the bearing ring 66 of the differential gear 52.

Le râteau de sélection 84 est monté à pivotement entre deux positions angulaires indexées correspondant respectivement aux deux valeurs possibles du nombre total de semaines N. Le pivotement du râteau de sélection 84 est commandé par le moyen de commande externe 78 via une roue à colonnes 88 positionnée de manière classique par ce moyen de commande 78.The selection rake 84 is pivotally mounted between two indexed angular positions respectively corresponding to the two possible values of the total number of weeks N. The pivoting of the selection rake 84 is controlled by the external control means 78 via a column wheel 88 positioned in a conventional manner by this control means 78.

Le râteau de sélection 84 engrène avec un pignon de sélection 90 qui porte l'aiguille de sélection 82. Chaque position angulaire indexée du râteau de sélection 84 correspond à une position angulaire indexée de l'aiguille de sélection 82 qui affiche alors le nombre total de semaines N sélectionné.The selection rake 84 meshes with a selection gear 90 which carries the selection needle 82. Each indexed angular position of the selection rake 84 corresponds to an indexed angular position of the selection needle 82 which then displays the total number of weeks N selected.

De préférence, le pignon de sélection 90 est pourvu d'un ressort spiral 92 qui permet de compenser les jeux d'engrenages pour éviter des mouvements parasites de l'aiguille de sélection 82.Preferably, the selection pinion 90 is provided with a spiral spring 92 which makes it possible to compensate the gear sets for preventing parasitic movements of the selection needle 82.

En cours d'année, l'affichage du rang R de la semaine s'effectue de la manière suivante.During the year, the display of the rank R of the week is as follows.

Chaque début de semaine, lors du passage de dimanche à lundi, le doigt entraîneur des semaines 32 entraîne le renvoi entraîneur 36 via le pignon entraîneur 34. La rotation du renvoi entraîneur 36 dans le sens horaire provoque la rotation de la roue de sortie 56 via la roue intermédiaire 40. La rotation de la roue de sortie 56 dans le sens anti-horaire entraîne la rotation de la couronne d'entrée 60 dans le sens anti-horaire, via les satellites 62, 64, la couronne d'appui 66 étant immobilisée dans une position angulaire déterminée par la position angulaire du râteau de sélection 84.At the beginning of the week, during the passage from Sunday to Monday, the training finger of the weeks 32 causes the driver 36 to be returned via the drive pinion 34. The rotation of the coach referral 36 in the clockwise direction causes the rotation of the output wheel 56 via the intermediate wheel 40. The rotation of the output wheel 56 in the counterclockwise direction causes the rotation of the input ring 60 in the counter-clockwise direction, via the satellites 62, 64, the bearing ring 66 being immobilized in an angular position determined by the angular position of the selection rake 84.

La rotation de la couronne d'entrée 60 entraîne alors la rotation de la roue de semaine 68 dans le sens horaire d'un pas, ce qui provoque le pivotement de l'aiguille de semaine 20 d'un pas. L'aiguille de semaine 20 indique alors le rang R de la nouvelle semaine.Rotation of the input ring 60 then causes rotation of the week wheel 68 clockwise by one step, causing the week hand 20 to pivot one step. The week hand 20 then indicates the rank R of the new week.

En parallèle au déplacement de l'aiguille de semaine 20 d'un pas, la rotation de la couronne d'entrée 60 entraîne la roue de gestion de saut de fin d'année 72 d'un pas dans le sens horaire, ce qui provoque un déplacement équivalent de la goupille 74.In parallel with the displacement of the week hand 20 by one step, the rotation of the input ring 60 causes the end-of-year jump management wheel 72 one step clockwise, which causes an equivalent displacement of the pin 74.

On note que le rapport de démultiplication entre la couronne d'entrée 60 et la roue de semaine 68, et entre la couronne d'entrée 60 et la roue de gestion de saut de fin d'année 72, est égal à un.Note that the gear ratio between the input ring 60 and the week wheel 68, and between the input ring 60 and the end-of-year jump management wheel 72, is equal to one.

De plus, toujours en parallèle au déplacement de l'aiguille de semaine 20 d'un pas, la rotation de la roue intermédiaire 40 entraîne la roue de gestion des semaines 42 dans le sens anti-horaire, ce qui provoque un pivotement équivalent de la came 44 dans le sens anti-horaire.In addition, always in parallel with the displacement of the week hand 20 by one step, the rotation of the intermediate wheel 40 drives the weeks management wheel 42 in the counter-clockwise direction, which causes an equivalent pivoting of the cam 44 counter-clockwise.

Pendant le pivotement de la came 44, le galet 48 coopère avec la surface de commande 45 pour provoquer un basculement du sautoir de semaine 46 vers l'extérieur.During the pivoting of the cam 44, the roller 48 cooperates with the control surface 45 to cause the jumper of week 46 to swing outwards.

On décrit maintenant le fonctionnement du mécanisme de semaine 22 lorsque le nombre total de semaines N sélectionné est « 53 », ce qui correspond à la configuration représentée sur la figure 2.The operation of the week mechanism 22 is now described when the total number of weeks N selected is "53", which corresponds to the configuration shown in FIG. figure 2 .

Chaque fin de cinquante-troisième semaine, le galet 48 du sautoir de semaine 46 arrive au bout de la came 44, là où la surface de commande 45 forme une encoche, ce qui provoque le basculement du sautoir de semaine 46 vers l'intérieur.At the end of the fifty-third week, the roller 48 of the week-long jumper 46 arrives at the end of the cam 44, where the control surface 45 forms a notch, which causes the jumper of week 46 to tilt inwards.

Comme le nombre total de semaines N sélectionné est cinquante-trois, la position angulaire de la goupille 74, par rapport à la position angulaire de la came 44, est telle que le sautoir de semaine 46 ne pousse pas la goupille 74 lorsqu'il bascule, donc il ne lui impose pas de déplacement supplémentaire. En effet, en même temps que le sautoir de semaine 46 bascule vers l'intérieur, la goupille 74 pivote dans le sens horaire avec la roue de saut de fin d'année 72, en s'éloignant d'une extrémité dite d'actionnement 94 du sautoir de semaine 46.Since the total number of weeks N selected is fifty-three, the angular position of the pin 74, relative to the angular position of the cam 44, is such that the jumper of week 46 does not push the pin 74 when it toggles so he does not impose any extra movement on him. Indeed, at the same time as the jumper of week 46 toggles inwards, the pin 74 pivots clockwise with the end-of-year jumping wheel 72, moving away from a so-called actuation end 94 of the week long jumper 46.

A la fin du saut de semaine, depuis la cinquante-troisième semaine jusqu'à la première semaine, le sautoir de semaine 46 et la goupille 74 sont dans une configuration initiale de début d'année, illustrée par la figure 2, dans laquelle l'extrémité d'actionnement 94 est sensiblement adjacente à la goupille 74 et le galet 48 est sensiblement adjacent à la surface de commande 45 de la came 44.At the end of the week-break, from the fifty-third week to the first week, the week-long jumper 46 and the pin 74 are in an initial configuration of the beginning of the year, illustrated by the figure 2 wherein the actuating end 94 is substantially adjacent to the pin 74 and the roller 48 is substantially adjacent to the control surface 45 of the cam 44.

On décrit maintenant le fonctionnement du mécanisme de semaine 22 lorsque le nombre total de semaines N sélectionné est « 52 ».The operation of the week mechanism 22 is now described when the total number of weeks N selected is "52".

Pour sélectionner le nombre total de semaines cinquante-deux, le moyen de commande 78 est actionné ce qui provoque un pivotement du râteau de sélection 84, ici dans le sens anti-horaire.To select the total number of weeks fifty-two, the control means 78 is actuated which causes a pivoting of the selection rake 84, here in the counterclockwise direction.

Le râteau de sélection 84 entraîne la couronne d'appui 66 dans le sens horaire ce qui provoque, par l'intermédiaire des satellites 62, 64, un pivotement du pignon de sortie 58 dans le sens anti-horaire, la couronne d'entrée 60 étant maintenue fixe par la roue de semaine 68 qui est bloquée en rotation par son sautoir 70.The selection rake 84 drives the bearing ring 66 in the clockwise direction which causes, via the satellites 62, 64, a pivoting of the output pinion 58 in the counterclockwise direction, the input ring 60 being held fixed by the week wheel 68 which is locked in rotation by its jumper 70.

Le pivotement du pignon de sortie 58 entraîne un pivotement de la roue intermédiaire 40 dans le sens horaire, via la roue de sortie 56.The pivoting of the output gear 58 causes the intermediate wheel 40 to pivot in a clockwise direction via the output wheel 56.

Le pivotement de la roue intermédiaire 40 entraîne la roue de gestion des semaines 42 dans le sens anti-horaire, ce qui décale la came 44 d'un cinquante-troisième de tour dans le sens anti-horaire. Le galet 48 du sautoir de semaine 46 arrivera alors au sommet de la came 44 une semaine plus tôt, donc à la fin de la cinquante-deuxième semaine.The pivoting of the intermediate wheel 40 drives the week management wheel 42 in the counter-clockwise direction, which shifts the cam 44 one-fifty-third of a turn counter-clockwise. The wheel 46 of the jumper of week 46 will then arrive at the top of the cam 44 a week earlier, so at the end of the fifty-second week.

Ainsi, à la fin de la cinquante-deuxième semaine, le sautoir de semaine 46 bascule vers l'intérieur, de la même manière que décrit précédemment. Toutefois, comme la came 44 possède une semaine d'avance, la goupille 74 se trouve en vis-à-vis de la surface d'actionnement 94 du sautoir de semaine 46. Le sautoir de semaine 46 pousse alors la goupille 74 dans le sens horaire, ce qui entraîne la couronne d'entrée 60 dans le sens anti-horaire, via la roue de gestion de saut de fin d'année 72. La couronne d'entrée 60 entraîne alors la roue de semaine 68 dans le sens horaire, jusqu'à ce que l'aiguille de semaine 20 atteigne la graduation de la première semaine.Thus, at the end of the fifty-second week, the jumper of week 46 switches inwards, in the same manner as described above. However, as the cam 44 has a week in advance, the pin 74 is vis-à-vis the actuating surface 94 of the jumper of week 46. The jumper of week 46 then pushes the pin 74 in the direction time, which causes the input ring 60 in the counterclockwise direction, via the end of year jump management wheel 72. The input ring 60 then drives the wheel of week 68 clockwise, until the week 20 needle reaches the graduation of the first week.

Le pas provoqué par le sautoir de semaine 46 vient s'ajouter au pas hebdomadaire produit par le pivotement de l'étoile des jours 26. Par conséquent, à la fin de la cinquante-deuxième semaine, l'aiguille de semaine 20 pivote de deux pas, depuis la graduation « 52 » jusqu'à la graduation « 01 ».The step caused by the jumper of week 46 is added to the weekly step produced by the pivoting of the star of days 26. Therefore, at the end of the fifty-second week, the week hand 20 pivots two not, from the graduation "52" to the graduation "01".

A la fin du passage de la cinquante-deuxième semaine à la première semaine, le mécanisme de semaine 22 se trouve de nouveau dans une configuration initiale de début d'année, similaire à celle de la figure 2, mais la came 44 possède toujours un pas d'avance puisque le nombre total de semaines N sélectionné est encore cinquante-deux.At the end of the passage from the fifty-second week to the first week, the mechanism of week 22 is again in an initial configuration of the beginning of the year, similar to that of the figure 2 , but the cam 44 always has a step in advance since the total number of weeks N selected is still fifty-two.

Tant que le râteau de sélection 84 occupe la position angulaire correspondant à une année à cinquante-deux semaines, le saut de fin d'année est effectué de la manière décrite précédemment, avec l'aiguille de semaine 20 qui passe en deux pas de la graduation « 52 » à la graduation « 01 ».As long as the selection rake 84 occupies the angular position corresponding to a year at fifty-two weeks, the end-of-year leap is performed in the manner described above, with the week hand 20 passing in two steps of the graduation "52" at the graduation "01".

Claims (8)

  1. Timepiece (10) comprising a week mechanism (22) which controls a member (20) displaying the position (R) of the week in the year and which is mechanically controlled by a timepiece movement (14),
    characterized in that the timepiece includes a device (76) for selecting the total number (N) of weeks in a year, which controls the week mechanism (22), so that the member (20) displaying the position of the week selectively performs either a cycle of fifty-two weeks or a cycle of fifty-three weeks.
  2. Timepiece (90) according to the preceding claim, characterized in that the selection device (76) includes an additional display member (82) which displays the total number (N) of weeks selected.
  3. Timepiece (10) according to any of the preceding claims, characterized in that the selection device (76) includes an external control means (78) which allows the total number of weeks (N) to be manually selected.
  4. Timepiece (10) according to any of the preceding claims, characterized in that the week mechanism (22) is driven by a rotating activating member (32), which is arranged to complete one rotation in seven days and causes a week wheel (68), carrying the member (20) displaying the position (R) of the week, to pivot through one step per week, via a differential gear (52), and in that the week mechanism (22) includes a mechanism (75) controlling the end of year jump, arranged to cooperate with the differential gear (52) to cause the week wheel (68) to pivot through one additional step at the end of the fifty-second week, when the total number of weeks (N) selected is fifty-two.
  5. Timepiece (10) according to the preceding claim, characterized in that the end of year jump control mechanism (75) comprises a cam (44), which completes one revolution in fifty-three weeks and is arranged to cooperate, via the control surface (45) thereof, with a roller (48) carried by a week jumper spring (46), so that that the week jumper spring (46) tips once per year towards an off-centre pin (74) carried by a wheel (72) rotatably connected to the week wheel (68), via the differential gear (52), and in that the selection device (76) controls the angular phase shift between the cam (44) and the pin (74), so that:
    - when the total number of weeks (N) selected is fifty-two, the tipping of the week jumper spring (46) occurs at the end of the fifty-second week and pushes the pin (74) through one angular step to cause the week wheel (68) to pivot through one additional step, and
    - when the total number of weeks (N) selected is fifty-three, the tipping of the week jumper spring (46) occurs at the end of the fifty-third week, without pushing the pin (74).
  6. Timepiece (10) according to the preceding claim, characterized in that the selection device (76) includes a selection gear element (84), which is arranged to pivot between two angular positions respectively corresponding to a year of fifty-two weeks and a year of fifty-three weeks, and which meshes with a toothed portion (86) of the differential gear (52) to control the angular phase shift between the cam (44) and the pin (74).
  7. Timepiece (10) according to the preceding claim taken in combination with claim 2, characterized in that the selection gear element (84) drives a selection pinion (90) which carries the additional display member (82).
  8. Timepiece (10) according to any of claims 4 to 7, characterized in that the rotating activating member (32), which completes one revolution in one week is carried by a day star wheel (26) with seven teeth driven in rotation by the timepiece movement (14) at a rate of one tooth per day.
EP20050104810 2005-06-02 2005-06-02 Timepiece with a device for the display of the rank of the week in the current year Active EP1729185B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050104810 EP1729185B1 (en) 2005-06-02 2005-06-02 Timepiece with a device for the display of the rank of the week in the current year

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20050104810 EP1729185B1 (en) 2005-06-02 2005-06-02 Timepiece with a device for the display of the rank of the week in the current year

Publications (2)

Publication Number Publication Date
EP1729185A1 EP1729185A1 (en) 2006-12-06
EP1729185B1 true EP1729185B1 (en) 2012-08-15

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Application Number Title Priority Date Filing Date
EP20050104810 Active EP1729185B1 (en) 2005-06-02 2005-06-02 Timepiece with a device for the display of the rank of the week in the current year

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EP (1) EP1729185B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3705951A1 (en) * 2019-03-07 2020-09-09 Patek Philippe SA Genève Mechanism for displaying the week number for a timepiece

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366610B1 (en) 1988-10-26 1992-08-26 Ronda Ag Watch, particularly a wrist watch with multiple hands display
DE29822970U1 (en) * 1998-12-29 1999-06-24 Holzhäuser, Ralph, 42699 Solingen Clocks showing the calendar week

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