EP1536298A1 - Calendar mechanism having entrainment and correction means for two indicators - Google Patents

Calendar mechanism having entrainment and correction means for two indicators Download PDF

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Publication number
EP1536298A1
EP1536298A1 EP03027077A EP03027077A EP1536298A1 EP 1536298 A1 EP1536298 A1 EP 1536298A1 EP 03027077 A EP03027077 A EP 03027077A EP 03027077 A EP03027077 A EP 03027077A EP 1536298 A1 EP1536298 A1 EP 1536298A1
Authority
EP
European Patent Office
Prior art keywords
correction
indicator
wheel
rocker
drive
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.)
Withdrawn
Application number
EP03027077A
Other languages
German (de)
French (fr)
Inventor
Jean Wilmouth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Breguet SA
Original Assignee
Montres Breguet SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP03027077A priority Critical patent/EP1536298A1/en
Priority to CH01844/04A priority patent/CH705116B1/en
Priority to SG200407200A priority patent/SG112096A1/en
Priority to US10/992,236 priority patent/US7170824B2/en
Priority to CN2004100917303A priority patent/CN100407076C/en
Priority to JP2004340833A priority patent/JP2005156561A/en
Publication of EP1536298A1 publication Critical patent/EP1536298A1/en
Priority to HK05108133.6A priority patent/HK1076161A1/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/241—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
    • 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
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon

Definitions

  • the present invention relates to a calendar mechanism in a watch, having first and second indicators each associated with a mobile rotary equipped with a toothing, a rocker drive provided with two nozzles arranged to act respectively on the toothing associated with the first or the second indicator, according to the direction of pivoting of the rocker training, to make step forward the corresponding indicator, a drive wheel making a turn through day and provided with a drive element which cooperates with a cam surface of the rocker training to rotate this rocker every day in a sense and in the other from a neutral position and thus act said beaks on said teeth, and manual correction means for advancing step by step the first and second indicators independently of each other.
  • a mechanism of this kind operates daily a date indicator and a day indicator in a clock, thanks to a rocker with two arms whose ends each carry a ratchet cooperating with a peripheral toothing of the indicator disc concerned.
  • This flip-flop has a hole whose serpentine periphery forms a cam surface and in which circulates a cam follower carried by a wheel that makes one turn per day. he This results in a great simplicity of the drive mechanism of the indicators.
  • the correction of the indications of the calendar requires two correction, independent of the daily training and associated each with the indicator respective, which increases the overall size of the mechanism and requires two manual correction organs.
  • Patent FR 1 517 236 describes a calendar mechanism with indicators of date and day which is usable in a watch and which also includes a common drive element for both indicators, this element having a hole of complex shape in which turns a finger coach.
  • the coaching element performs a combination of sliding movements and swivel.
  • a date correction device by means of the time-setting rod, which is completely independent of the element drive.
  • patent CH 584 926 discloses a correction mechanism common day and date indicators from the winding stem of a shows, while the daily training of these indicators is carried out by other organs.
  • the common element that sometimes attacks the first indicator and sometimes the second performs a combination of sliding and pivoting movements.
  • the present invention aims to simplify the construction and control of the calendar mechanism, taking into account the necessary bodies for the correction of indications.
  • a basic idea of the invention is to use certain common bodies for the daily training of the two indicators and for the individual manual correction of each indicator.
  • the present invention provides, in a mechanism of the kind indicated in the preamble above, that the manual correction means act on the rocker drive so as to rotate selectively in one direction or in the other to advance the corresponding indicator by one step.
  • Manual correction means comprise a correction wheel driven by rotation selectively in one direction or the other by a control rod by a correction wheel, the correction wheel having one or more salient elements arranged to lean against a nose of the rocker of training so as to rotate it in one direction or the other according to the direction of rotation of the correction wheel.
  • the most bulky element of the kinematic chain driving the two indicators namely the rocking drive, is advantageously reused for correcting indications.
  • its actuation in both directions to from the same manual controller to selectively correct one or the other of the indicators also represents an economy of means.
  • the control rod already present in the watch the number and the clutter elements of the correction mechanism are further restricted and manipulations are easy.
  • FIG. 1 schematically represents the front face of a fitted watch of a calendar mechanism according to the invention, comprising in this example a date indicator and a moon phase indicator.
  • FIG. 2 is a view in transparency of the calendar mechanism, in a position of equilibrium after the daily progress of the date indicator.
  • Figures 3 to 7 show successive positions of the mechanism of calendar to step forward the date indicator.
  • Fig. 8 shows a position of the calendar mechanism at the moment he steps forward the moon phase indicator.
  • the wristwatch whose dial 10 is seen in FIG. time analog, with a hour hand 1, a minute hand 2 and a second hand 3 which are driven by a clockwork movement of any type.
  • the watch further includes a calendar display comprising in this case a date indicator, formed by a rotating needle 4 in front of a graduation 5 to thirty-one positions, and a moon phase indicator, formed in a conventional manner by a disk 6 rotating behind a window 7 of shape special.
  • FIG. 1 schematically shows also the rod of manual control 8 of the watch, provided with a ring 9 on the outside of the box.
  • FIG 2 the elements of the calendar mechanism are seen from the opposite to the dial and are shown in transparency to facilitate the comprehension.
  • a date star 11 having a set of teeth 11a of thirty-one teeth forms a rotational mobile with the needle 4 shown in Figure 1. Its positions successive ones are held by means of a jumper 12 supported by a spring 13.
  • moon star 14 having a tooth 14a of fifty-nine teeth forms a mobile rotating with the moon disk 6. Its successive positions are maintained by means of a jumper 15 shouldered by a spring 16.
  • Each of the stars 11 and 14 turns one step each day in the direction of arrows A and B, thanks to a drive wheel 20 which makes one turn a day and acts on a training rocker 21 having a spout 22 arranged to advance the star of date 11 and a spout 23 arranged to advance the moon star 14, so that each star advances enough so that its tooth lifts the corresponding jumper pass on the other side of the jumper.
  • the drive of the wheel coach 20 is meshing on the wheel 25 hours of movement watchmaker, which is attached to the hour hand 1 and makes a turn in twelve hours.
  • the rocker 21 is pivotally mounted about the axis 26 of the wheel hours 25, that is to say the central axis of the watch movement, which simplifies significantly the implementation of the elements of the mechanism described here.
  • the latch 21 is made of a single plate-shaped piece and comprises a spring 27 in the form of a wand whose end is wedged between two fixed elements 28, which maintains resiliently latch 21 in its neutral position shown in Figure 2, where its points 22 and 23 do not interfere with stars 11 and 14.
  • Nozzles 22 and 23 are disposed on opposite sides of a first arm 30 of the latch 21.
  • the latch 21 On the other side of its pivot axis 26, the latch 21 has a second arm 31 wider, having a relatively large hole 32 whose circumference forms a cam surface 33 having two bumps 34 and 35 lying on two mutually opposite parts of the cam surface.
  • the second arm of the rocker 21 further comprises, on its outer contour, a nose 36 whose function will be described later.
  • the driving wheel 20, which is along one side of the rocker 21, comprises two projecting elements which are engaged in the hole 32 of this rocker, namely a drive pin 38 and a cam 39 said to correction.
  • the pin 38 is at a distance from the center of the wheel 20 and co-operates with the two bumps 34 and 35 of the cam surface 33 to pivot the rocker 21 each day once in one direction and once in the other, so that the beaks 22 and 23 advance the calendar indicators. Outside the two sectors where bumps 34 and 35 are located, the cam surface 33 is quite radially away from the circular path of the pin 38 so that we can swing the rocker 21 without touching this pin. In other words, as long as the pin 38 is not in the vicinity of one of the bosses 34 and 35, the latch 21 can rotate under the effect of correction means which will be described later.
  • manual means of correction 40 are arranged to produce the same pivoting movements of the latch 21 than those produced by the pin 38 of the drive wheel 20.
  • the user actuates the correction means 40 from the control rod 8.
  • These means comprise a return lever 42 which carries a wheel of mobile return 43 arranged to engage a fixed return 44 when the rod 8 is in a first drawn position, a position in which a rotation of the rod 8 in one way or the other rotates the wheel 43 in a corresponding direction.
  • the rocker 42 pivots so that the wheels 43 and 44 are no longer engaged.
  • the correction means 40 further include a correction flip-flop 46 in the form of a bent lever, one end of which is pivotally mounted at 47 while its other end is provided with a cam follower formed by a pin 48 which tends to rest against the cam 39 of the drive wheel 20 under the effect of a spring not shown.
  • the correction rocker 46 carries a correction wheel 50 capable of meshing with the fixed return 44 and provided with one or more projecting elements such as pins 51, for pushing the nose 36 of the rocker 21 in one direction or the other as shown respectively the arrows C and D, and thus rotate the rocker in the desired direction to act the spout 22 on the toothing 11a or the spout 23 on the toothing 14a, in order to correct the indicator concerned.
  • the latch 21 thus performs the correction of a indicator in the same way as the daily training of this indicator.
  • the cam 39 of the drive wheel 20 acts on the pin 48 of the rocker driver 46 so as to move this rocker between a first position, represented in FIG. 2 and in which the correction wheel 50 is in contact with the reference 44 of the correction train, and a second position in which the wheel of correction 50 is released from the reference 44.
  • the cam 39 has two protruding circular sectors 52 and 53, radius large enough to repel the flip-flop 46 to the first position mentioned above. Between these two sectors, the cam 39 has two recesses that allow the latch 46 to take its second position, so that the correction wheel 50 emerges from the reference 44 and can not therefore no longer be driven by the manual control rod 8. This is to prevent and a manual correction as the pin wheel 38 of the wheel coach 20 can come into contact with one of the bumps 34 and 35 of the rocker 21, which would make manual correction impossible.
  • Figure 3 shows the state of the calendar mechanism around 20:30.
  • the projecting sector 53 of the cam 39 maintains the correction lever 46 in its first position allowing the correction, while the pin 38 of the wheel 20 is enough spaced from the cam surface 33 of the latch 21 to allow it to rotate for correction.
  • Figure 4 shows the situation around 22:30, where the pin 38 will enter contact with the cam surface 33 near the bump 34.
  • the pin 48 then drops along a flank of the salient sector 53, the correction lever 46 pivots and the wheel correction 50 is cleared from footnote 44, so that a correction of the becomes temporarily impossible.
  • the daily advance of the moon indicator is illustrated in Figure 8 and produces the same movements of the correction rocker 46 as those who come to be described with reference to Figures 2 to 7.
  • the action of the pin 38 pushing back the hump 35 of the cam surface 33 rotates the rocker 21 in the direction of the arrow G, which is opposite that of the arrow E, so that the spout 23 of the rocker advance the moon star 14 enough to that the jumper 15 passes on the other side of a tooth 14c of this star and completes the rotation of a step once the latch 21 returns to its neutral position.
  • the pin 48 of the correction lever 46 follows a hollow of the cam 39, so that the correction wheel 50 remains clear of the pinion 44 and that a correction of the calendar is temporarily impossible.
  • one of the indicators may indicate the day of the week, being associated with a star whose number of teeth is a multiple integer of seven, or indicate another quantity such as the number of the week, month or year.
  • the indicator is not necessarily solidary of the corresponding star, but may be associated with it by a appropriate transmission.
  • the date star 11 can lead by meshing a date ring whose indications appear in a window.
  • the training rocker 21 drives directly such a ring.

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

Abstract

The mechanism has two indicators provided with toothed wheels (11, 14) and indicate day and lunar phase of a week. A driving yoke (21) has two spouts for moving forward the corresponding indicators. A control rod activates a gear train (44) when correction of indicators is needed. The train in turn rotates a correction wheel (50) that acts on a nose of the driving yoke to pivot the yoke selectively in two directions.

Description

Arrière-plan de l'inventionBackground of the invention

La présente invention concerne un mécanisme de calendrier dans une montre, comportant un premier et un second indicateur qui sont associés chacun à un mobile rotatif pourvu d'une denture, une bascule d'entraínement pourvue de deux becs agencés pour agir respectivement sur la denture associée au premier ou au second indicateur, selon le sens de pivotement de la bascule d'entraínement, pour faire avancer d'un pas l'indicateur correspondant, une roue entraíneuse faisant un tour par jour et pourvue d'un élément d'entraínement qui coopère avec une surface de came de la bascule d'entraínement pour faire pivoter cette bascule chaque jour dans un sens et dans l'autre à partir d'une position neutre et faire ainsi agir lesdits becs sur lesdites dentures, et des moyens manuels de correction permettant de faire avancer pas à pas le premier et le second indicateur indépendamment l'un de l'autre.The present invention relates to a calendar mechanism in a watch, having first and second indicators each associated with a mobile rotary equipped with a toothing, a rocker drive provided with two nozzles arranged to act respectively on the toothing associated with the first or the second indicator, according to the direction of pivoting of the rocker training, to make step forward the corresponding indicator, a drive wheel making a turn through day and provided with a drive element which cooperates with a cam surface of the rocker training to rotate this rocker every day in a sense and in the other from a neutral position and thus act said beaks on said teeth, and manual correction means for advancing step by step the first and second indicators independently of each other.

Un mécanisme de ce genre, décrit dans le brevet US 2 720 746, actionne quotidiennement un indicateur de quantième et un indicateur de jour dans une pendulette, grâce à une bascule à deux bras dont les extrémités portent chacune un cliquet coopérant avec une denture périphérique du disque indicateur concerné. Cette bascule comporte un trou dont le pourtour sinueux forme une surface de came et dans lequel circule un suiveur de came porté par une roue qui fait un tour par jour. Il en résulte une grande simplicité du mécanisme d'entraínement des indicateurs. Par contre, la correction des indications du calendrier nécessite deux dispositifs de correction, indépendants de l'entraínement quotidien et associés chacun à l'indicateur respectif, ce qui augmente l'encombrement total du mécanisme et nécessite deux organes manuels de correction.A mechanism of this kind, described in US Patent 2,720,746, operates daily a date indicator and a day indicator in a clock, thanks to a rocker with two arms whose ends each carry a ratchet cooperating with a peripheral toothing of the indicator disc concerned. This flip-flop has a hole whose serpentine periphery forms a cam surface and in which circulates a cam follower carried by a wheel that makes one turn per day. he This results in a great simplicity of the drive mechanism of the indicators. By However, the correction of the indications of the calendar requires two correction, independent of the daily training and associated each with the indicator respective, which increases the overall size of the mechanism and requires two manual correction organs.

Le brevet FR 1 517 236 décrit un mécanisme de calendrier à indicateurs de quantième et de jour qui est utilisable dans une montre et qui comporte aussi un élément d'entraínement commun pour les deux indicateurs, cet élément ayant un trou de forme complexe dans lequel tourne un doigt entraíneur. Dans cette réalisation, l'élément entraíneur effectue une combinaison de mouvements coulissants et pivotants. Il est prévu en outre un dispositif de correction du quantième au moyen de la tige de mise à l'heure, qui est complètement indépendant de l'élément d'entraínement.Patent FR 1 517 236 describes a calendar mechanism with indicators of date and day which is usable in a watch and which also includes a common drive element for both indicators, this element having a hole of complex shape in which turns a finger coach. In this realization, the coaching element performs a combination of sliding movements and swivel. There is further provided a date correction device by means of the time-setting rod, which is completely independent of the element drive.

On connaít en outre, par le brevet CH 584 926, un mécanisme de correction commun des indicateurs de quantième et de jour à partir de la tige de remontoir d'une montre, tandis que l'entraínement quotidien de ces indicateurs est effectué par d'autres organes. Là aussi, l'élément commun qui attaque tantôt le premier indicateur et tantôt le second effectue une combinaison de mouvements coulissants et pivotants.Furthermore, patent CH 584 926 discloses a correction mechanism common day and date indicators from the winding stem of a shows, while the daily training of these indicators is carried out by other organs. Here too, the common element that sometimes attacks the first indicator and sometimes the second performs a combination of sliding and pivoting movements.

Résumé de l'inventionSummary of the invention

La présente invention vise à simplifier la construction et la commande du mécanisme de calendrier, en tenant compte des organes nécessaires pour la correction des indications. Une idée de base de l'invention consiste à utiliser certains organes communs pour l'entraínement quotidien des deux indicateurs et pour la correction manuelle individuelle de chaque indicateur.The present invention aims to simplify the construction and control of the calendar mechanism, taking into account the necessary bodies for the correction of indications. A basic idea of the invention is to use certain common bodies for the daily training of the two indicators and for the individual manual correction of each indicator.

En particulier, la présente invention prévoit, dans un mécanisme du genre indiqué en préambule ci-dessus, que les moyens manuels de correction agissent sur la bascule d'entraínement de façon à la faire pivoter sélectivement dans un sens ou dans l'autre pour faire avancer d'un pas l'indicateur correspondant. De préférence, les moyens manuels de correction comportent une roue de correction entraínée en rotation sélectivement dans un sens ou dans l'autre par une tige de commande manuelle via un rouage de correction, la roue de correction ayant un ou plusieurs éléments saillants agencés pour s'appuyer contre un nez de la bascule d'entraínement de façon à faire pivoter celle-ci dans un sens ou dans l'autre selon le sens de rotation de la roue de correction.In particular, the present invention provides, in a mechanism of the kind indicated in the preamble above, that the manual correction means act on the rocker drive so as to rotate selectively in one direction or in the other to advance the corresponding indicator by one step. Preferably, Manual correction means comprise a correction wheel driven by rotation selectively in one direction or the other by a control rod by a correction wheel, the correction wheel having one or more salient elements arranged to lean against a nose of the rocker of training so as to rotate it in one direction or the other according to the direction of rotation of the correction wheel.

Ainsi, l'élément le plus encombrant de la chaíne cinématique entraínant les deux indicateurs, à savoir la bascule d'entraínement, est avantageusement réutilisé pour la correction des indications. De plus, son actionnement dans les deux sens à partir du même organe de commande manuelle pour corriger sélectivement l'un ou l'autre des indicateurs représente aussi une économie de moyens. Comme cet organe est la tige de commande déjà présente dans la montre, le nombre et l'encombrement des éléments du mécanisme de correction sont d'autant plus restreints et les manipulations sont aisées.Thus, the most bulky element of the kinematic chain driving the two indicators, namely the rocking drive, is advantageously reused for correcting indications. In addition, its actuation in both directions to from the same manual controller to selectively correct one or the other of the indicators also represents an economy of means. Like this body is the control rod already present in the watch, the number and the clutter elements of the correction mechanism are further restricted and manipulations are easy.

D'autres caractéristiques et avantages de la présente invention apparaítront dans la description suivante d'un mode de réalisation actuellement préféré, présenté à titre d'exemple non limitatif en référence aux dessins annexés.Other features and advantages of the present invention will become apparent in the following description of a presently preferred embodiment, presented in As a non-limiting example with reference to the accompanying drawings.

Description sommaire des dessinsBrief description of the drawings

La figure 1 représente schématiquement la face avant d'une montre équipée d'un mécanisme de calendrier selon l'invention, comportant dans cet exemple un indicateur de quantième et un indicateur de phase de lune.FIG. 1 schematically represents the front face of a fitted watch of a calendar mechanism according to the invention, comprising in this example a date indicator and a moon phase indicator.

La figure 2 est une vue en transparence du mécanisme de calendrier, dans une position d'équilibre après l'avancement quotidien de l'indicateur de quantième. FIG. 2 is a view in transparency of the calendar mechanism, in a position of equilibrium after the daily progress of the date indicator.

Les figures 3 à 7 représentent des positions successives du mécanisme de calendrier pour avancer d'un pas l'indicateur de quantième.Figures 3 to 7 show successive positions of the mechanism of calendar to step forward the date indicator.

La figure 8 représente une position du mécanisme de calendrier au moment où il avance d'un pas l'indicateur de phase de lune.Fig. 8 shows a position of the calendar mechanism at the moment he steps forward the moon phase indicator.

Description détaillée d'un mode de réalisationDetailed description of an embodiment

La montre-bracelet dont on voit le cadran 10 en figure 1 comporte un affichage analogique de l'heure, avec une aiguille des heures 1, une aiguille des minutes 2 et une aiguille des secondes 3 qui sont entraínées par un mouvement d'horlogerie de type quelconque. La montre comporte en outre un affichage de calendrier comprenant dans le cas présent un indicateur de quantième, formé par une aiguille 4 qui tourne devant une graduation 5 à trente et une positions, et un indicateur de phase de lune, formé de manière classique par un disque 6 tournant derrière un guichet 7 de forme particulière. On a également représenté schématiquement dans la figure 1 la tige de commande manuelle 8 de la montre, pourvue d'une couronne 9 à l'extérieur de la boíte.The wristwatch whose dial 10 is seen in FIG. time analog, with a hour hand 1, a minute hand 2 and a second hand 3 which are driven by a clockwork movement of any type. The watch further includes a calendar display comprising in this case a date indicator, formed by a rotating needle 4 in front of a graduation 5 to thirty-one positions, and a moon phase indicator, formed in a conventional manner by a disk 6 rotating behind a window 7 of shape special. FIG. 1 schematically shows also the rod of manual control 8 of the watch, provided with a ring 9 on the outside of the box.

Dans la figure 2, les éléments du mécanisme de calendrier sont vus du côté opposé au cadran et sont représentés en transparence afin de faciliter la compréhension. Une étoile de quantième 11 ayant une denture 11a de trente et une dents forme un mobile rotatif avec l'aiguille 4 représentée en figure 1. Ses positions successives sont maintenues au moyen d'un sautoir 12 épaulé par un ressort 13. Une étoile de lune 14 ayant une denture 14a de cinquante-neuf dents forme un mobile rotatif avec le disque de lune 6. Ses positions successives sont maintenues au moyen d'un sautoir 15 épaulé par un ressort 16.In Figure 2, the elements of the calendar mechanism are seen from the opposite to the dial and are shown in transparency to facilitate the comprehension. A date star 11 having a set of teeth 11a of thirty-one teeth forms a rotational mobile with the needle 4 shown in Figure 1. Its positions successive ones are held by means of a jumper 12 supported by a spring 13. moon star 14 having a tooth 14a of fifty-nine teeth forms a mobile rotating with the moon disk 6. Its successive positions are maintained by means of a jumper 15 shouldered by a spring 16.

Chacune des étoiles 11 et 14 tourne d'un pas chaque jour dans le sens des flèches A et B, grâce à une roue entraíneuse 20 qui fait un tour par jour et agit sur une bascule d'entraínement 21 ayant un bec 22 agencé pour faire avancer l'étoile de quantième 11 et un bec 23 agencé pour faire avancer l'étoile de lune 14, de façon que chaque étoile avance assez pour que sa dent qui soulève le sautoir correspondant passe sur l'autre flanc du sautoir. De manière connue, l'entraínement de la roue entraíneuse 20 se fait par engrènement sur la roue des heures 25 du mouvement d'horlogerie, laquelle est solidaire de l'aiguille des heures 1 et fait un tour en douze heures. La bascule 21 est montée de manière pivotante autour de l'axe 26 de la roue des heures 25, c'est-à-dire l'axe central du mouvement d'horlogerie, ce qui simplifie notablement l'implantation des éléments du mécanisme décrit ici. La bascule 21 est faite d'une seule pièce en forme de plaque et comporte un ressort 27 en forme de baguette dont l'extrémité est calée entre deux éléments fixes 28, ce qui maintient élastiquement la bascule 21 dans sa position neutre représentée en figure 2, où ses pointes 22 et 23 n'interfèrent pas avec les étoiles 11 et 14.Each of the stars 11 and 14 turns one step each day in the direction of arrows A and B, thanks to a drive wheel 20 which makes one turn a day and acts on a training rocker 21 having a spout 22 arranged to advance the star of date 11 and a spout 23 arranged to advance the moon star 14, so that each star advances enough so that its tooth lifts the corresponding jumper pass on the other side of the jumper. In known manner, the drive of the wheel coach 20 is meshing on the wheel 25 hours of movement watchmaker, which is attached to the hour hand 1 and makes a turn in twelve hours. The rocker 21 is pivotally mounted about the axis 26 of the wheel hours 25, that is to say the central axis of the watch movement, which simplifies significantly the implementation of the elements of the mechanism described here. The latch 21 is made of a single plate-shaped piece and comprises a spring 27 in the form of a wand whose end is wedged between two fixed elements 28, which maintains resiliently latch 21 in its neutral position shown in Figure 2, where its points 22 and 23 do not interfere with stars 11 and 14.

Les becs 22 et 23 sont disposés sur des côtés opposés d'un premier bras 30 de la bascule 21. De l'autre côté de son axe de pivotement 26, la bascule 21 comporte un second bras 31 plus large, ayant un trou 32 relativement grand dont le pourtour forme une surface de came 33 ayant deux bosses 34 et 35 situées sur deux parties mutuellement opposées de la surface de came. Le second bras de la bascule 21 comporte en outre, sur son contour extérieur, un nez 36 dont la fonction sera décrite plus loin.Nozzles 22 and 23 are disposed on opposite sides of a first arm 30 of the latch 21. On the other side of its pivot axis 26, the latch 21 has a second arm 31 wider, having a relatively large hole 32 whose circumference forms a cam surface 33 having two bumps 34 and 35 lying on two mutually opposite parts of the cam surface. The second arm of the rocker 21 further comprises, on its outer contour, a nose 36 whose function will be described later.

La roue entraíneuse 20, qui se trouve le long d'une des faces de la bascule d'entraínement 21, comporte deux éléments saillants qui sont engagés dans le trou 32 de cette bascule, à savoir une goupille d'entraínement 38 et une came 39 dite de correction. La goupille 38 se trouve à distance du centre de la roue 20 et coopère avec les deux bosses 34 et 35 de la surface de came 33 pour faire pivoter la bascule d'entraínement 21 chaque jour une fois dans un sens et une fois dans l'autre, afin que les becs 22 et 23 fassent avancer les indicateurs du calendrier. En dehors des deux secteurs où se trouvent les bosses 34 et 35, la surface de came 33 est assez éloignée radialement de la trajectoire circulaire de la goupille 38 pour qu'on puisse faire osciller la bascule 21 sans toucher cette goupille. Autrement dit, tant que la goupille 38 ne se trouve pas au voisinage d'une des bosses 34 et 35, la bascule 21 peut pivoter sous l'effet de moyens de correction qui seront décrits plus loin.The driving wheel 20, which is along one side of the rocker 21, comprises two projecting elements which are engaged in the hole 32 of this rocker, namely a drive pin 38 and a cam 39 said to correction. The pin 38 is at a distance from the center of the wheel 20 and co-operates with the two bumps 34 and 35 of the cam surface 33 to pivot the rocker 21 each day once in one direction and once in the other, so that the beaks 22 and 23 advance the calendar indicators. Outside the two sectors where bumps 34 and 35 are located, the cam surface 33 is quite radially away from the circular path of the pin 38 so that we can swing the rocker 21 without touching this pin. In other words, as long as the pin 38 is not in the vicinity of one of the bosses 34 and 35, the latch 21 can rotate under the effect of correction means which will be described later.

Dans la figure 2, le mécanisme de calendrier est représenté dans la position qu'il occupe vers 3h30 du matin, après que la goupille 38 a passé sur la bosse 34 et fait ainsi avancer d'un pas l'étoile de quantième 11 et l'aiguille 4 liée à celle-ci.In Figure 2, the calendar mechanism is shown in the position that he occupies around 3.30am in the morning, after the pin 38 has passed on the hump 34 and thus makes the date star 11 and the needle 4 linked thereto step forward one step.

Pour corriger les indications des indicateurs de quantième et de phase de lune qui sont commandés par la bascule d'entraínement 21, des moyens manuels de correction 40 sont agencés pour produire les mêmes mouvements de pivotement de la bascule 21 que ceux produits par la goupille 38 de la roue entraíneuse 20. L'utilisateur actionne les moyens de correction 40 à partir de la tige de commande manuelle 8. Ces moyens comportent une bascule de renvoi 42 qui porte une roue de renvoi mobile 43 agencée pour s'engrener sur un renvoi fixe 44 lorsque la tige 8 est dans une première position tirée, position dans laquelle une rotation de la tige 8 dans un sens ou dans l'autre fait tourner la roue 43 dans un sens correspondant. Quand la tige 8 est repoussée à sa position neutre, la bascule 42 pivote de telle sorte que les roues 43 et 44 ne sont plus en prise. Un tel mécanisme est bien connu et décrit par exemple dans le brevet CH 584 926, auquel le lecteur pourra se référer pour plus de détails. To correct the indications of the date and moon phase indicators which are controlled by the rocking lever 21, manual means of correction 40 are arranged to produce the same pivoting movements of the latch 21 than those produced by the pin 38 of the drive wheel 20. The user actuates the correction means 40 from the control rod 8. These means comprise a return lever 42 which carries a wheel of mobile return 43 arranged to engage a fixed return 44 when the rod 8 is in a first drawn position, a position in which a rotation of the rod 8 in one way or the other rotates the wheel 43 in a corresponding direction. When the 8 is pushed back to its neutral position, the rocker 42 pivots so that the wheels 43 and 44 are no longer engaged. Such a mechanism is well known and described by example in the patent CH 584 926, to which the reader can refer for more details.

Les moyens de correction 40 comportent par ailleurs une bascule de correction 46 en forme de levier coudé, dont une extrémité est montée de façon pivotante en 47 tandis que son autre extrémité est pourvue d'un suiveur de came formé par une goupille 48 qui tend à s'appuyer contre la came 39 de la roue entraíneuse 20 sous l'effet d'un ressort non représenté. Dans sa partie médiane, la bascule de correction 46 porte une roue de correction 50 capable de s'engrener sur le renvoi fixe 44 et pourvue d'un ou plusieurs éléments saillants tels que des goupilles 51, pour pousser le nez 36 de la bascule 21 dans un sens ou dans l'autre comme le montrent respectivement les flèches C et D, et faire ainsi pivoter la bascule dans le sens voulu pour faire agir le bec 22 sur la denture 11a ou le bec 23 sur la denture 14a, afin de corriger l'indicateur concerné. La bascule 21 effectue donc la correction d'un indicateur de la même manière que l'entraínement quotidien de cet indicateur.The correction means 40 further include a correction flip-flop 46 in the form of a bent lever, one end of which is pivotally mounted at 47 while its other end is provided with a cam follower formed by a pin 48 which tends to rest against the cam 39 of the drive wheel 20 under the effect of a spring not shown. In its middle part, the correction rocker 46 carries a correction wheel 50 capable of meshing with the fixed return 44 and provided with one or more projecting elements such as pins 51, for pushing the nose 36 of the rocker 21 in one direction or the other as shown respectively the arrows C and D, and thus rotate the rocker in the desired direction to act the spout 22 on the toothing 11a or the spout 23 on the toothing 14a, in order to correct the indicator concerned. The latch 21 thus performs the correction of a indicator in the same way as the daily training of this indicator.

La came 39 de la roue entraíneuse 20 agit sur la goupille 48 de la bascule entraíneuse 46 de façon à déplacer cette bascule entre une première position, représentée en figure 2 et dans laquelle la roue de correction 50 est en prise avec le renvoi 44 du rouage de correction, et une seconde position dans laquelle la roue de correction 50 est dégagée du renvoi 44. Pour ce faire, la came 39 présente deux secteurs circulaires saillants 52 et 53, de rayon assez grand pour repousser la bascule 46 jusqu'à la première position susmentionnée. Entre ces deux secteurs, la came 39 présente deux creux qui permettent à la bascule 46 de prendre sa seconde position, de sorte que la roue de correction 50 se dégage du renvoi 44 et ne peut donc plus être entraínée par la tige de commande manuelle 8. Il s'agit d'empêcher ainsi une correction manuelle tant que la goupille d'entraínement 38 de la roue entraíneuse 20 peut entrer en contact avec l'une des bosses 34 et 35 de la bascule 21, ce qui rendrait impossible la correction manuelle.The cam 39 of the drive wheel 20 acts on the pin 48 of the rocker driver 46 so as to move this rocker between a first position, represented in FIG. 2 and in which the correction wheel 50 is in contact with the reference 44 of the correction train, and a second position in which the wheel of correction 50 is released from the reference 44. To do this, the cam 39 has two protruding circular sectors 52 and 53, radius large enough to repel the flip-flop 46 to the first position mentioned above. Between these two sectors, the cam 39 has two recesses that allow the latch 46 to take its second position, so that the correction wheel 50 emerges from the reference 44 and can not therefore no longer be driven by the manual control rod 8. This is to prevent and a manual correction as the pin wheel 38 of the wheel coach 20 can come into contact with one of the bumps 34 and 35 of the rocker 21, which would make manual correction impossible.

La figure 3 représente l'état du mécanisme de calendrier vers 20h30. Le secteur saillant 53 de la came 39 maintient la bascule de correction 46 dans sa première position permettant la correction, tandis que la goupille 38 de la roue 20 est assez espacée de la surface de came 33 de la bascule 21 pour permettre à celle-ci de pivoter pour une correction.Figure 3 shows the state of the calendar mechanism around 20:30. The projecting sector 53 of the cam 39 maintains the correction lever 46 in its first position allowing the correction, while the pin 38 of the wheel 20 is enough spaced from the cam surface 33 of the latch 21 to allow it to rotate for correction.

La figure 4 représente la situation vers 22h30, où la goupille 38 va entrer en contact avec la surface de came 33 près de la bosse 34. La goupille 48 descend alors le long d'un flanc du secteur saillant 53, la bascule de correction 46 pivote et la roue de correction 50 se dégage du renvoi 44, de sorte qu'une correction du calendrier devient temporairement impossible.Figure 4 shows the situation around 22:30, where the pin 38 will enter contact with the cam surface 33 near the bump 34. The pin 48 then drops along a flank of the salient sector 53, the correction lever 46 pivots and the wheel correction 50 is cleared from footnote 44, so that a correction of the becomes temporarily impossible.

Ensuite, l'avance d'un pas de l'indicateur de quantième aux alentours de minuit est illustrée par les figures 5 à 7. Vers 23 heures, la goupille 38 commence à repousser la bosse 34 et fait ainsi pivoter la bascule 21 autour de son axe 26 comme le montre la flèche E. Un flanc du bec 22 de la bascule 21 va s'appuyer contre une dent 11 b de l'étoile 11 et progressivement repousser cette dent en faisant tourner l'étoile 11 dans le sens de la flèche A jusqu'à la position représentée en figure 5, où la dent 11 c coopérant avec le sautoir 12 passe sur l'autre flanc 12a du sautoir pour être repoussée dans le sens de la flèche A. Une fois que la goupille 38 a passé le sommet de la bosse 34, la bascule 21 revient progressivement à sa position neutre sous l'effet du ressort 27 et se dégage de la denture de l'étoile 11, que le sautoir 12 immobilise alors dans sa nouvelle position représentée en figure 7. Il est alors environ 1 h30 du matin.Then, one step ahead of the date indicator around midnight is illustrated in Figures 5 to 7. At 23 hours, the pin 38 begins to push the hump 34 and thus pivot the rocker 21 about its axis 26 as the arrow E. A flank of the spout 22 of the rocker 21 will rest against a tooth 11b of star 11 and gradually push back this tooth the star 11 in the direction of the arrow A to the position shown in Figure 5, where the tooth 11c cooperating with the jumper 12 passes on the other side 12a of the jumper to be pushed back in the direction of arrow A. Once pin 38 has passed the top of the hump 34, the latch 21 gradually returns to its neutral position under the effect spring 27 and emerges from the teeth of the star 11, that the jumper 12 immobilizes then in its new position shown in Figure 7. It is then about 1 h30 from morning.

Ensuite, la goupille 38 s'écarte de la surface de came 33, tandis que la goupille 48 est repoussée par un flanc incliné du secteur saillant 52 de la came 39, ce qui fait pivoter la bascule de correction 46 comme l'indique la flèche F, jusqu'à ce que la roue de correction 50 s'engrène sur le renvoi 44. Le mécanisme atteint alors la position d'équilibre représentée en figure 2, dans laquelle il est de nouveau possible de corriger les deux indicateurs de calendrier.Then, the pin 38 moves away from the cam surface 33, while the pin 48 is pushed by an inclined flank of the projecting sector 52 of the cam 39, which makes rotate the correction lever 46 as indicated by the arrow F, until the wheel correction 50 meshes with the return 44. The mechanism then reaches the position equilibrium shown in FIG. 2, in which it is again possible to correct both calendar indicators.

L'avance quotidienne de l'indicateur de lune est illustrée par la figure 8 et produit les mêmes mouvements de la bascule de correction 46 que ceux qui viennent d'être décrits en référence aux figures 2 à 7. Par contre, l'action de la goupille 38 repoussant la bosse 35 de la surface de came 33 fait pivoter la bascule d'entraínement 21 dans le sens de la flèche G, qui est opposé à celui de la flèche E, afin que le bec 23 de la bascule fasse avancer l'étoile de lune 14 suffisamment pour que le sautoir 15 passe de l'autre côté d'une dent 14c de cette étoile et achève la rotation d'un pas une fois que la bascule 21 revient à sa position neutre.The daily advance of the moon indicator is illustrated in Figure 8 and produces the same movements of the correction rocker 46 as those who come to be described with reference to Figures 2 to 7. On the other hand, the action of the pin 38 pushing back the hump 35 of the cam surface 33 rotates the rocker 21 in the direction of the arrow G, which is opposite that of the arrow E, so that the spout 23 of the rocker advance the moon star 14 enough to that the jumper 15 passes on the other side of a tooth 14c of this star and completes the rotation of a step once the latch 21 returns to its neutral position.

Durant ces opérations, la goupille 48 de la bascule de correction 46 suit un creux de la came 39, de sorte que la roue de correction 50 reste dégagée du pignon 44 et qu'une correction du calendrier est temporairement impossible.During these operations, the pin 48 of the correction lever 46 follows a hollow of the cam 39, so that the correction wheel 50 remains clear of the pinion 44 and that a correction of the calendar is temporarily impossible.

Comme la bosse 35 de la surface de came 33 doit se trouver approximativement à l'opposé de la bosse 34 pour faire pivoter la bascule 21 dans le sens opposé, l'avance quotidienne du disque de lune s'effectue dans le courant de la journée. Par exemple, la position représentée en figure 8 est atteinte peu avant 10 heures.Since the hump 35 of the cam surface 33 must be approximately opposite the hump 34 to pivot the rocker 21 in the opposite direction, the daily advance of the moon disk takes place during the course of the day. By for example, the position shown in Figure 8 is reached shortly before 10 hours.

La description qui précède montre que le mécanisme de calendrier selon l'invention est réalisable sous une forme simple et relativement peu encombrante, laissant notamment beaucoup d'espace libre dans la région inférieure du cadran. En outre, les moyens de correction à partir de la tige de commande sont particulièrement simplifiés par rapport à l'art antérieur. The above description shows that the timing mechanism according to the invention is feasible in a simple form and relatively compact, leaving a lot of free space in the lower region of the dial. In in addition, the correction means from the control rod are particularly simplified compared to the prior art.

La présente invention n'est pas limitée à l'exemple décrit ci-dessus, mais s'étend à toute modification ou variante évidente pour un homme du métier dans le cadre des revendications annexées. En particulier, l'un des indicateurs peut indiquer le jour de la semaine, en étant associé à une étoile dont le nombre de dents est un multiple entier de sept, ou indiquer une autre grandeur telle que le numéro de la semaine, le mois ou l'année. D'autre part, l'indicateur n'est pas obligatoirement solidaire de l'étoile correspondante, mais peut être associé à celle-ci par une transmission appropriée. Par exemple, au lieu de l'aiguille 4, l'étoile de quantième 11 peut entraíner par engrènement un anneau de quantième dont les indications apparaissent dans un guichet. On peut aussi envisager que la bascule d'entraínement 21 entraíne directement un tel anneau.The present invention is not limited to the example described above, but extends to any modification or variant obvious to a person skilled in the art in the scope of the appended claims. In particular, one of the indicators may indicate the day of the week, being associated with a star whose number of teeth is a multiple integer of seven, or indicate another quantity such as the number of the week, month or year. On the other hand, the indicator is not necessarily solidary of the corresponding star, but may be associated with it by a appropriate transmission. For example, instead of needle 4, the date star 11 can lead by meshing a date ring whose indications appear in a window. We can also consider that the training rocker 21 drives directly such a ring.

Claims (8)

Mécanisme de calendrier dans une montre, comportant un premier (4) et un second indicateur (6) qui sont associés chacun à un mobile rotatif (11, 14) pourvu d'une denture (11a, 14a), une bascule d'entraínement (21) pourvue de deux becs (22, 23) agencés pour agir respectivement sur la denture associée au premier ou au second indicateur, selon le sens de pivotement de la bascule d'entraínement, pour faire avancer d'un pas l'indicateur correspondant, une roue entraíneuse (20) faisant un tour par jour et pourvue d'un élément d'entraínement (38) qui coopère avec une surface de came (33) de la bascule d'entraínement pour faire pivoter cette bascule chaque jour dans un sens et dans l'autre à partir d'une position neutre et faire ainsi agir lesdits becs sur lesdites dentures, et des moyens manuels de correction (40) permettant de faire avancer pas à pas le premier et le second indicateur indépendamment l'un de l'autre,
   caractérisé en ce que les moyens manuels de correction (40) agissent sur la bascule d'entraínement (21) de façon à la faire pivoter sélectivement dans un sens ou dans l'autre pour faire avancer d'un pas l'indicateur correspondant.Calendar mechanism in a watch, comprising a first (4) and a second indicator (6) which are each associated with a rotatable wheel (11, 14) provided with a toothing (11a, 14a), a rocker ( 21) provided with two spouts (22, 23) arranged to act respectively on the toothing associated with the first or the second indicator, according to the direction of pivoting of the drive rocker, to advance by one step the corresponding indicator, a drive wheel (20) making one turn per day and provided with a drive member (38) which cooperates with a cam surface (33) of the rocker drive to rotate this rocker each day in one direction and in the other from a neutral position and thus act said nozzles on said teeth, and manual correction means (40) for advancing step by step the first and the second indicator independently one of the other,
characterized in that the manual correction means (40) acts on the drive rocker (21) so as to rotate selectively in one direction or the other to advance the corresponding indicator by one step. Mécanisme selon la revendication 1, caractérisé en ce que les moyens manuels de correction (40) comportent une roue de correction (50) entraínée en rotation sélectivement dans un sens ou dans l'autre par une tige de commande manuelle (8) via un rouage de correction (43, 44), la roue de correction ayant un ou plusieurs éléments saillants (51) agencés pour s'appuyer contre un nez (36) de la bascule d'entraínement (21) de façon à faire pivoter celle-ci dans un sens ou dans l'autre selon le sens de rotation de la roue de correction.Mechanism according to claim 1, characterized in that the manual correction means (40) comprise a correction wheel (50) rotated selectively in one direction or the other by a manual control rod (8) via a gear train correction device (43, 44), the correction wheel having one or more projecting elements (51) arranged to bear against a nose (36) of the training lever (21) so as to rotate it in one way or the other depending on the direction of rotation of the correction wheel. Mécanisme selon la revendication 2, caractérisé en ce que la roue de correction (50) est montée sur une bascule de correction (46) commandée par la roue entraíneuse (20), la bascule de correction étant mobile entre une première position, dans laquelle la roue de correction (50) est en prise avec le rouage de correction (43, 44), et une seconde position dans laquelle la roue de correction est dégagée du rouage de correction tant que la roue entraíneuse actionne la bascule d'entraínement.Mechanism according to claim 2, characterized in that the correction wheel (50) is mounted on a correction lever (46) controlled by the drive wheel (20), the correction lever being movable between a first position, in which the correction wheel (50) is engaged with the correction train (43, 44), and a second position in which the correction wheel is disengaged from the correction train as long as the driving wheel actuates the training lever. Mécanisme selon la revendication 3, caractérisé en ce que la bascule de correction (46) comporte un suiveur de came (48) s'appuyant contre une came (39) solidaire de la roue entraíneuse (20).Mechanism according to claim 3, characterized in that the correction lever (46) comprises a cam follower (48) bearing against a cam (39) integral with the drive wheel (20). Mécanisme selon l'une des revendications précédentes, caractérisé en ce que la position neutre de la bascule d'entraínement (21) est déterminée par un ressort (27) et en ce que ladite surface de came (33) de cette bascule est formée par le pourtour d'un trou (32), dans lequel ledit élément d'entraínement (38) circule sans toucher la surface de came sauf sur deux bosses (34, 35) de celle-ci, de sorte que ladite bascule peut pivoter sous l'effet des moyens de correction tant que l'élément d'entraínement ne se trouve pas au voisinage d'une desdites bosses.Mechanism according to one of the preceding claims, characterized in that the neutral position of the drive rocker (21) is determined by a spring (27) and in that said cam surface (33) of this rocker is formed by the periphery of a hole (32), wherein said drive element (38) circulates without touching the cam surface except on two bumps (34, 35) thereof, so that said rocker can pivot under the effect of the correction means as the training element is not in the vicinity of one of said bumps. Mécanisme selon l'une des revendications précédentes, caractérisé en ce que la bascule d'entraínement (21) est pivotante autour de l'axe d'une roue des heures (25) qui est en prise avec ladite roue entraíneuse (20).Mechanism according to one of the preceding claims, characterized in that the rocker (21) is pivotable about the axis of an hour wheel (25) which is engaged with said drive wheel (20). Mécanisme selon l'une des revendications 1 à 6, caractérisé en ce que le premier indicateur est un indicateur de quantième et le second est un indicateur de phase de lune.Mechanism according to one of Claims 1 to 6, characterized in that the first indicator is a date indicator and the second indicator is a moon phase indicator. Mécanisme selon l'une des revendications 1 à 6, caractérisé en ce que le premier indicateur est un indicateur de quantième et le second est un indicateur de jour.Mechanism according to one of Claims 1 to 6, characterized in that the first indicator is a date indicator and the second indicator is a day indicator.
EP03027077A 2003-11-25 2003-11-25 Calendar mechanism having entrainment and correction means for two indicators Withdrawn EP1536298A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03027077A EP1536298A1 (en) 2003-11-25 2003-11-25 Calendar mechanism having entrainment and correction means for two indicators
CH01844/04A CH705116B1 (en) 2003-11-25 2004-11-09 calendar mechanism with training and correction means for both indicators.
SG200407200A SG112096A1 (en) 2003-11-25 2004-11-17 Calendar mechanism having means driving and correcting two indicators
US10/992,236 US7170824B2 (en) 2003-11-25 2004-11-19 Calendar mechanism having means driving and correcting two indicators
CN2004100917303A CN100407076C (en) 2003-11-25 2004-11-25 Calendar mechanism having entrainment and correction means for two indicators
JP2004340833A JP2005156561A (en) 2003-11-25 2004-11-25 Calendar mechanism with drive and correction means for two indicators
HK05108133.6A HK1076161A1 (en) 2003-11-25 2005-09-16 Calendar mechanism having means driving and correcting two indicators

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EP03027077A EP1536298A1 (en) 2003-11-25 2003-11-25 Calendar mechanism having entrainment and correction means for two indicators

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EP1536298A1 true EP1536298A1 (en) 2005-06-01

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US (1) US7170824B2 (en)
EP (1) EP1536298A1 (en)
JP (1) JP2005156561A (en)
CN (1) CN100407076C (en)
CH (1) CH705116B1 (en)
HK (1) HK1076161A1 (en)
SG (1) SG112096A1 (en)

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HK1076161A1 (en) 2006-01-06
CN100407076C (en) 2008-07-30
CH705116B1 (en) 2012-12-31
CN1621973A (en) 2005-06-01
JP2005156561A (en) 2005-06-16
US7170824B2 (en) 2007-01-30
US20050281136A1 (en) 2005-12-22

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