EP1462876B1 - Timepiece with a device for the display of two time zones - Google Patents

Timepiece with a device for the display of two time zones Download PDF

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Publication number
EP1462876B1
EP1462876B1 EP03405211A EP03405211A EP1462876B1 EP 1462876 B1 EP1462876 B1 EP 1462876B1 EP 03405211 A EP03405211 A EP 03405211A EP 03405211 A EP03405211 A EP 03405211A EP 1462876 B1 EP1462876 B1 EP 1462876B1
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EP
European Patent Office
Prior art keywords
timepiece
drive
minutes
indicating
hours
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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.)
Expired - Lifetime
Application number
EP03405211A
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German (de)
French (fr)
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EP1462876A1 (en
Inventor
Carlos Dias
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Manufacture Roger Dubuis SA
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Manufacture Roger Dubuis SA
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Publication date
Application filed by Manufacture Roger Dubuis SA filed Critical Manufacture Roger Dubuis SA
Priority to EP03405211A priority Critical patent/EP1462876B1/en
Priority to AT03405211T priority patent/ATE497195T1/en
Priority to DE60335860T priority patent/DE60335860D1/en
Priority to US10/805,014 priority patent/US7075800B2/en
Priority to JP2004083766A priority patent/JP2004301834A/en
Publication of EP1462876A1 publication Critical patent/EP1462876A1/en
Priority to HK05100784.5A priority patent/HK1067969A1/en
Application granted granted Critical
Publication of EP1462876B1 publication Critical patent/EP1462876B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands
    • G04B19/235—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands mechanisms for correcting the additional hand or hands

Definitions

  • the present invention relates to a timepiece provided with a display device of two different time zones.
  • a display device of several time zones is described in the CH 54 533 .
  • Each display device indicates the hours and minutes of a time zone and the time difference between the display devices is set and can not be changed.
  • the object of the present invention is to best meet the above requirements, through a simple mechanism and easy to use and read.
  • the subject of the present invention is a timepiece provided with a device for displaying two time zones according to claim 1.
  • the time indication means of the two time zones are associated with stepwise drive mechanisms. Thanks to this display mode, the reading is easy, the hour indicators indicating only the full hours in successive jumps from one hour to another, while the minutes indicator indicates only the minutes common to the two time zones.
  • the display units each comprise a dial and a needle, the axes of rotation of the three needles being aligned with the axis of rotation of the minute hand located between the axes of rotation of the hour hands, the edges respective two display unit dials of the two time zones extending inside the dial of the minute display unit.
  • the display device illustrated by the figure 1 has three separate display units, a minute display unit 1, and two hours display units 2, 3. Each of these display units has a scale of 4, 5, 6, respectively 60 minutes for the minutes 1 and 12 hours display unit for each of the hours display units 2, 3.
  • An indicator hand 7, 8, 9 is pivotally mounted at the center of each of the graduations 4, 5, 6. 8 is a minute hand and is therefore driven at a rate of one revolution per hour and the other two needles 7, 9 are hour hands moving with respect to 12-hour graduations and therefore make each two turns per day.
  • Each display unit hours 2, 3 has, preferably still a window 10, 11 to distinguish the day and night hours as will be explained later.
  • the drive mechanism of this display device is illustrated in particular by the figures 3-5 and comprises a roadway 12 frictionally mounted on the axis of the center wheel (not shown) of the finishing gear of the timepiece, as in all mechanical watches.
  • a false floor 13 is mounted, free to turn, on the roadway 12 of the clockwork and is connected thereto by a unidirectional drive device which comprises a ring 14 integral with the roadway 12, on which a pawl 15 is pivoted and pressed in a ratchet toothing 16 integral with the false floor 13 by a spring 17.
  • the false floor 13 meshes with a return 18 which in turn meshes with a wheel 19 integral with a toothed sector 20.
  • the trajectory described by the latter rotating in the clockwise direction intersects the trajectory of a sector toothed 21a secured to a rocker 21 pivoted about an axis 22.
  • This rocker carries a pawl 23 pressed in the clockwise direction by a return spring 39.
  • the angular displacement of this pawl 23 by the return spring 39 is limited by a pin 23a engaged in an opening 21b of the latch 21.
  • the trajectory of this pawl 23 intersects that of a star wheel 24 of 12 teeth positioned by a jumper spring 25. This star wheel 24 is secured the hour hand 7 of the hour display unit 2.
  • a pinion 26 which meshes with a return 27 which in turn meshes with a wheel 28 secured to a day / night disc 29 ( figure 2 ) appearing through the window 10 of the display device ( figure 1 ).
  • the gear ratio between the pinion 26 and the wheel 28 is 1/2, so that the night-time disc performs a revolution when the star wheel 24 performs two.
  • the 12-tooth starwheel 24 rotates in twelve hours, so that the day / night disk rotates in 24 hours.
  • the latch 21 still carries a second toothed sector 21c which meshes with a free pinion 30, integral with one end of a spiral spring 31 return.
  • the toothed sector 32c of a second latch 32 disposed symmetrically at the latch 21 relative to the free pinion 30, meshes with the latter for driving a second star wheel 33 secured to the other hour hand 9.
  • this star wheel 33 is associated with a jumper spring 46 which allows it to advance step by step and is integral with a pinion 34 for driving a wheel 35 fast with a day / night disc 36 ( figure 2 ) appearing through the window 11 of the display device ( figure 1 ).
  • An eccentric stop 37 cooperates with the rocker 32 to limit the stroke. Given the desmodromic connection between this latch 32 and the latch 21 by the free gear 30, this stop 37 also serves to limit the travel of the latch 21, when the toothed sector 21a releases these latches 21 and 32 to the force of the spring. recall 31, every hour.
  • the figure 2 illustrates the moment when the toothed sector 20, which rotates in a clockwise direction, engages the toothed sector 21a of the lever 21 to arm the spiral spring 31 intended to return the latches 21, 32 to the illustrated position over there figure 2 .
  • the latches 21, 32 drive their respective two pawls 23, 38 in the direction of the needles of the watch.
  • these pawls 13, 38 pivot in the opposite direction to that of the hands of the watch when they meet the teeth of the respective star wheels 24, 33. They are then brought back to the rest position illustrated by their respective return springs 39, 40, so that they drive the respective star wheels 24, 33 by one step when the latches 21, 32 are brought back by the spiral spring 31, in the position illustrated by FIG. figure 2 .
  • the star wheel 33 can still be driven manually to adjust the position of the hour hand 9 relative to the hour hand 7 according to the time zone to be displayed.
  • a latch 41 provided with a pawl 42 similar to the pawls 23, 38 of the latches 21, 32 and recalled by a spring 43, is applied against a stop 44 by a return spring 45.
  • This latch 41 has an arm 41a intended to engage with an actuating pusher (not shown) passing through the watch case to allow the user to display the desired time zone.

Abstract

The clock piece has two hour display units (2, 3) and a minute display unit (1) that are driven by a timer wheel. The display units (2, 3) have an hour gradation (5, 6), and two needles (7, 9) indicating hours of respective local time zone and determined time zone. The unit (1) has a minute gradation (4) and a needle (8) indicating minutes related to each time zone. A lever modifies a jet lag between the units (2, 3).

Description

La présente invention se rapporte à une pièce d'horlogerie munie d'un dispositif d'affichage de deux fuseaux horaires différents.The present invention relates to a timepiece provided with a display device of two different time zones.

Il existe un certain nombre de dispositif pour l'affichage de plusieurs fuseaux horaires. L'inconvénient de la plupart des dispositifs proposés réside dans la difficulté de lecture de ces dispositifs. L'utilité de tels dispositifs est de permettre de savoir rapidement l'heure légale dans un autre fuseau horaire. Etant donné que dans la grande majorité des cas, le décalage horaire correspond à des heures pleines, en plus en allant vers l'Est et en moins en allant vers l'Ouest, la seule indication de l'heure rend la lecture plus claire, les minutes étant les mêmes dans les deux fuseaux horaires. Il est aussi important qu'en cas de changement de fuseau horaire, celui-ci soit simple à effectuer et donne toujours une indication claire.There are a number of devices for displaying multiple time zones. The disadvantage of most of the proposed devices lies in the difficulty of reading these devices. The usefulness of such devices is to allow to quickly know the legal time in another time zone. Since in the vast majority of cases, the time difference corresponds to full hours, in addition to going east and less towards the West, the only indication of the hour makes the reading clearer, the minutes being the same in both time zones. It is also important that in case of a change of time zone, it is simple to perform and always gives a clear indication.

Un dispositif d'affichage de plusieurs fuseaux horaires est décrit dans le CH 54 533 . Chaque dispositif d'affichage indique les heures et les minutes d'un fuseau horaire et le décalage horaire entre les dispositifs d'affichage est fixé et ne peut pas être modifié.A display device of several time zones is described in the CH 54 533 . Each display device indicates the hours and minutes of a time zone and the time difference between the display devices is set and can not be changed.

Le but de la présente invention est de répondre le mieux possible aux exigences susmentionnées, grâce à un mécanisme simple et d'utilisation et de lecture facile.The object of the present invention is to best meet the above requirements, through a simple mechanism and easy to use and read.

A cet effet, la présente invention a pour objet une pièce d'horlogerie munie d'un dispositif d'affichage de deux fuseaux horaires selon la revendication 1.For this purpose, the subject of the present invention is a timepiece provided with a device for displaying two time zones according to claim 1.

Avantageusement, les moyens d'indication des heures des deux fuseaux horaires sont associés à des mécanismes d'entraînement pas à pas. Grâce à ce mode d'affichage, la lecture est aisée, les indicateurs d'heures n'indiquant que les heures pleines par sauts successifs d'une heure à l'autre, tandis que l'indicateur des minutes n'indique que les minutes communes aux deux fuseaux horaires.Advantageously, the time indication means of the two time zones are associated with stepwise drive mechanisms. Thanks to this display mode, the reading is easy, the hour indicators indicating only the full hours in successive jumps from one hour to another, while the minutes indicator indicates only the minutes common to the two time zones.

De préférence, les unités d'affichage comportent chacune un cadran et une aiguille, les axes de rotation des trois aiguilles étant alignés avec l'axe de rotation de l'aiguille des minutes situé entre les axes de rotation des aiguilles des heures, les bords respectifs des deux cadrans des unités d'affichage des deux fuseaux horaires s'étendant à l'intérieur du cadran de l'unité d'affichage des minutes.Preferably, the display units each comprise a dial and a needle, the axes of rotation of the three needles being aligned with the axis of rotation of the minute hand located between the axes of rotation of the hour hands, the edges respective two display unit dials of the two time zones extending inside the dial of the minute display unit.

Cette disposition dans laquelle les cadrans des heures empiètent sur le cadran des minutes, rapproche les aiguilles d'heures de l'aiguille des minutes et rend la combinaison de la lecture de l'heure avec celle des minutes plus facile.This arrangement in which the hour dials encroach on the minute dial, brings the hour hands closer to the minute hand and makes the combination of the hour reading with the minutes easier.

D'autre particularités et avantages de la présente invention apparaîtront à la lecture de la description qui suit et qui s'appuie sur les dessins annexés qui illustrent, schématiquement et à titre d'exemple, une forme d'exécution de la pièce d'horlogerie objet de la présente invention.

  • La figure 1 est une vue en plan de l'affichage de la pièce d'horlogerie;
  • la figure 2 est une vue réelle en plan de ce mécanisme d'affichage;
  • la figure 3 est une vue en plan du mécanisme d'affichage montrant ce mécanisme par transparence;
  • la figure 4 est une vue en coupe selon la ligne IV-IV de la figure 3;
  • la figure 5 est une vue en coupe selon la ligne V-V de la figure 3.
Other features and advantages of the present invention will appear on reading the description which follows and which is based on the accompanying drawings which illustrate, schematically and by way of example, an embodiment of the timepiece object of the present invention.
  • The figure 1 is a plan view of the display of the timepiece;
  • the figure 2 is a real plan view of this display mechanism;
  • the figure 3 is a plan view of the display mechanism showing this mechanism by transparency;
  • the figure 4 is a sectional view along line IV-IV of the figure 3 ;
  • the figure 5 is a sectional view along line VV of the figure 3 .

Le dispositif d'affichage illustré par la figure 1 comporte trois unités d'affichage distinctes, une unité d'affichage des minutes 1, et deux unités d'affichage des heures 2, 3. Chacune de ces unités d'affichage comporte une graduation 4, 5, 6, respectivement de 60 minutes pour l'unité d'affichage des minutes 1 et de 12 heures pour chacune des unités d'affichage des heures 2, 3. Une aiguille indicatrice 7, 8, 9 est montée pivotante au centre de chacune des graduations 4, 5, 6. L'aiguille 8 est une aiguille des minutes et est donc entraînée à raison de un tour par heure et les deux autres aiguilles 7, 9 sont des aiguilles d'heures se déplaçant vis-à-vis de graduations de 12 heures et font donc chacune deux tours par jour.The display device illustrated by the figure 1 has three separate display units, a minute display unit 1, and two hours display units 2, 3. Each of these display units has a scale of 4, 5, 6, respectively 60 minutes for the minutes 1 and 12 hours display unit for each of the hours display units 2, 3. An indicator hand 7, 8, 9 is pivotally mounted at the center of each of the graduations 4, 5, 6. 8 is a minute hand and is therefore driven at a rate of one revolution per hour and the other two needles 7, 9 are hour hands moving with respect to 12-hour graduations and therefore make each two turns per day.

Chaque unité d'affichage des heures 2, 3 comporte, de préférence encore un guichet 10, 11 pour permettre de distinguer les heures diurnes et nocturnes comme on l'expliquera par la suite.Each display unit hours 2, 3 has, preferably still a window 10, 11 to distinguish the day and night hours as will be explained later.

Le mécanisme d'entraînement de ce dispositif d'affichage est illustré en particulier par les figures 3-5 et comporte une chaussée 12 montée à friction sur l'axe de la roue de centre (non représentée) du rouage de finissage de la pièce d'horlogerie, comme dans toutes les montres mécaniques.The drive mechanism of this display device is illustrated in particular by the figures 3-5 and comprises a roadway 12 frictionally mounted on the axis of the center wheel (not shown) of the finishing gear of the timepiece, as in all mechanical watches.

Une fausse chaussée 13 est montée, libre de tourner, sur la chaussée 12 du rouage de minuterie et est relié à elle par un dispositif d'entraînement unidirectionnel qui comporte un anneau 14 solidaire de la chaussée 12, sur lequel un cliquet 15 est pivoté et pressé dans une denture à rochet 16 solidaire de la fausse chaussée 13 par un ressort 17.A false floor 13 is mounted, free to turn, on the roadway 12 of the clockwork and is connected thereto by a unidirectional drive device which comprises a ring 14 integral with the roadway 12, on which a pawl 15 is pivoted and pressed in a ratchet toothing 16 integral with the false floor 13 by a spring 17.

La fausse chaussée 13 engrène avec un renvoi 18 qui engrène à son tour avec une roue 19 solidaire d'un secteur denté 20. La trajectoire décrite par celui-ci en tournant dans le sens des aiguilles de la montre coupe la trajectoire d'un secteur denté 21a solidaire d'une bascule 21 pivotée autour d'un axe 22. Cette bascule porte un cliquet 23 pressé dans le sens des aiguilles de la montre par un ressort de rappel 39. Le déplacement angulaire de ce cliquet 23 par le ressort de rappel 39 est limité par une goupille 23a engagée dans une ouverture 21b de la bascule 21. La trajectoire de ce cliquet 23 coupe celle d'une roue en étoile 24 de 12 dents positionnée par un ressort-sautoir 25. Cette roue en étoile 24 est solidaire de l'aiguille des heures 7 de l'unité d'affichage des heures 2. Elle est aussi solidaire d'un pignon 26 qui engrène avec un renvoi 27 qui engrène à son tour avec une roue 28 solidaire d'un disque jour/nuit 29 (figure 2) apparaissant à travers le guichet 10 du dispositif d'affichage (figure 1). Le rapport de denture entre le pignon 26 et la roue 28 est de 1/2, de sorte que le disque jour nuit effectue une révolution lorsque la roue en étoile 24 en effectue deux. La roue en étoile 24 de 12 dents effectue un tour en douze heures, de sorte que le disque jour/nuit effectue un tour en 24 heures.The false floor 13 meshes with a return 18 which in turn meshes with a wheel 19 integral with a toothed sector 20. The trajectory described by the latter rotating in the clockwise direction intersects the trajectory of a sector toothed 21a secured to a rocker 21 pivoted about an axis 22. This rocker carries a pawl 23 pressed in the clockwise direction by a return spring 39. The angular displacement of this pawl 23 by the return spring 39 is limited by a pin 23a engaged in an opening 21b of the latch 21. The trajectory of this pawl 23 intersects that of a star wheel 24 of 12 teeth positioned by a jumper spring 25. This star wheel 24 is secured the hour hand 7 of the hour display unit 2. It is also secured to a pinion 26 which meshes with a return 27 which in turn meshes with a wheel 28 secured to a day / night disc 29 ( figure 2 ) appearing through the window 10 of the display device ( figure 1 ). The gear ratio between the pinion 26 and the wheel 28 is 1/2, so that the night-time disc performs a revolution when the star wheel 24 performs two. The 12-tooth starwheel 24 rotates in twelve hours, so that the day / night disk rotates in 24 hours.

La bascule 21 porte encore un second secteur denté 21c qui engrène avec un pignon libre 30, solidaire d'une des extrémités d'un ressort spiral 31 de rappel. Le secteur denté 32c d'une seconde bascule 32, disposée symétriquement à la bascule 21 par rapport au pignon libre 30, engrène avec ce dernier pour l'entraînement d'une seconde roue en étoile 33 solidaire de l'autre aiguille d'heures 9, par l'intermédiaire d'un cliquet 38 associé à un ressort de rappel 40. Comme la roue en étoile 24, cette roue en étoile 33 est associée à un ressort sautoir 46 qui lui permet d'avancer pas à pas et est solidaire d'un pignon 34 pour entraîner une roue 35 solidaire d'un disque jour/ nuit 36 (figure 2) apparaissant à travers le guichet 11 du dispositif d'affichage (figure 1).The latch 21 still carries a second toothed sector 21c which meshes with a free pinion 30, integral with one end of a spiral spring 31 return. The toothed sector 32c of a second latch 32, disposed symmetrically at the latch 21 relative to the free pinion 30, meshes with the latter for driving a second star wheel 33 secured to the other hour hand 9. , through a pawl 38 associated with a return spring 40. Like the star wheel 24, this star wheel 33 is associated with a jumper spring 46 which allows it to advance step by step and is integral with a pinion 34 for driving a wheel 35 fast with a day / night disc 36 ( figure 2 ) appearing through the window 11 of the display device ( figure 1 ).

Une butée excentrique 37 coopère avec la bascule 32 pour en limiter la course. Etant donné la liaison desmodromique entre cette bascule 32 et la bascule 21 par le pignon libre 30, cette butée 37 sert également à limiter la course de la bascule 21, lorsque le secteur denté 21a libère ces bascules 21 et 32 à la force du ressort de rappel 31, chaque heure.An eccentric stop 37 cooperates with the rocker 32 to limit the stroke. Given the desmodromic connection between this latch 32 and the latch 21 by the free gear 30, this stop 37 also serves to limit the travel of the latch 21, when the toothed sector 21a releases these latches 21 and 32 to the force of the spring. recall 31, every hour.

La figure 2 illustre le moment où le secteur denté 20, qui tourne dans le sens des aiguilles de la montre, vient en prise avec le secteur denté 21a de la bascule 21 pour armer le ressort spiral 31 destiné à ramener les bascules 21, 32 dans la position illustrée par la figure 2. Durant leur déplacement, les bascules 21, 32 entraînent leurs deux cliquets respectifs 23, 38 dans le sens des aiguilles de la montre. Au cours de ce déplacement, ces cliquets 13, 38 pivotent dans le sens contraire à celui des aiguilles de la montre lorsqu'ils rencontrent la denture des roues en étoiles respectives 24, 33. Ils sont ramenés ensuite dans la position de repos illustrée par leurs ressorts de rappel respectifs 39, 40, de sorte qu'ils entraînent les roues en étoiles respectives 24, 33 d'un pas lorsque les bascules 21, 32 sont ramenées par le ressort spiral 31, dans la position illustrée par la figure 2.The figure 2 illustrates the moment when the toothed sector 20, which rotates in a clockwise direction, engages the toothed sector 21a of the lever 21 to arm the spiral spring 31 intended to return the latches 21, 32 to the illustrated position over there figure 2 . During their movement, the latches 21, 32 drive their respective two pawls 23, 38 in the direction of the needles of the watch. During this movement, these pawls 13, 38 pivot in the opposite direction to that of the hands of the watch when they meet the teeth of the respective star wheels 24, 33. They are then brought back to the rest position illustrated by their respective return springs 39, 40, so that they drive the respective star wheels 24, 33 by one step when the latches 21, 32 are brought back by the spiral spring 31, in the position illustrated by FIG. figure 2 .

La roue en étoile 33 peut encore être entraînée manuellement pour ajuster la position de l'aiguille des heures 9 par rapport à l'aiguille des heures 7 en fonction du fuseau horaire à afficher. A cet effet, une bascule 41, munie d'un cliquet 42 semblable aux cliquets 23, 38 des bascules 21, 32 et rappelée par un ressort 43, est appliquée contre une butée 44 par un ressort de rappel 45. Cette bascule 41 présente un bras 41a destiné à venir en prise avec un poussoir d'actionnement (non représenté) traversant la boîte de montre pour permettre à l'utilisateur d'afficher le fuseau horaire désiré. The star wheel 33 can still be driven manually to adjust the position of the hour hand 9 relative to the hour hand 7 according to the time zone to be displayed. For this purpose, a latch 41, provided with a pawl 42 similar to the pawls 23, 38 of the latches 21, 32 and recalled by a spring 43, is applied against a stop 44 by a return spring 45. This latch 41 has an arm 41a intended to engage with an actuating pusher (not shown) passing through the watch case to allow the user to display the desired time zone.

Claims (8)

  1. A timepiece equipped with an analog device for displaying two different time zones, comprising three distinct display units (1, 2, 3) each comprising an indicator member (7, 8, 9) and a time division (4, 5, 6), drive members (13-24; 30-33, 38, 40) for establishing a link between said indicator members (7, 9) and the minutes geartrain (12) of the timepiece, characterized in that two (2, 3) of said display units comprise only indicator members and divisions (5, 7, 6, 9) for indicating the hours of two respective time zones, one corresponding to the local time and the other to a determined time zone and the third (1) of said units comprising only an indicator member and a division (4, 8) for indicating the minutes corresponding to each of the two time zones and which timepiece also comprises control means (41) for modifying the time difference between said unit (2) for indicating the local time and the one (3) for indicating said determined time zone.
  2. The timepiece as claimed in claim 1, in which the axes of rotation of the three hands of display units are aligned with the axis of rotation of the minutes hand (8) situated between the axes of rotation of the hours hands (7, 9), the respective edges of the two time divisions of the units for displaying the two time zones (5,6) extending within the time division (4) of the unit (1) for displaying the minutes.
  3. The timepiece as claimed in one of the preceding claims, in which timepiece said drive members (13-24; 30-33, 35, 40) for establishing a link (7, 9) between said indicator members (7, 9) and the minutes geartrain (12) comprise a step-by-step drive mechanism (23-25; 33, 38, 46) for driving said indicator members, said control means (41) for modifying the time difference being designed to act directly on a step-by-step drive runner (33) bearing the indicator member (9) for indicating said determined time zone.
  4. The timepiece as claimed in claim 3, in which a desmodromic link (21c, 30, 32c) connects said step-by-step drive mechanisms (13-21, 30, 32) of said means (7, 9) for indicating the hours together.
  5. The timepiece as claimed in claim 4, in which timepiece each of said step-by-step drive mechanisms (13-21, 30, 32) comprises a lever (21, 32) for the step-by-step drive of said indicator members (7, 9) for indicating the hours, these levers (21, 32) being connected to one another by a desmodromic connecting member (30) subjected to elastic return means (31) and in which a drive member (20) actuated by the minutes geartrain (12) is designed to periodically move said levers (21, 32) against the force of said elastic return means (31) and to release them to the force of these elastic return means in order to drive said hour indicating means (7,9) by one step.
  6. The timepiece as claimed in claim 5, in which timepiece said drive member (20) actuated by said minutes geartrain (12) is a toothed sector secured to a runner (19) connected to the minutes geartrain (12) to make one revolution in one hour and which is intended in each revolution to engage with a toothed member (21a) kinematically secured to said drive levers (21, 32).
  7. The timepiece as claimed in one of the preceding claims, in which timepiece a one-way connection (15, 16) connects said minutes geartrain (12) with the drive mechanisms (13-21, 30, 32) that drive the two units (2, 3) displaying the two time zones.
  8. The timepiece as claimed in one of the preceding claims, in which timepiece said means (5, 7, 6, 9) for indicating the hours in two time zones indicate the hours in cycles of 12 hours and are each connected to an indicator (29, 36) of the hours in the day and in the night.
EP03405211A 2003-03-28 2003-03-28 Timepiece with a device for the display of two time zones Expired - Lifetime EP1462876B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP03405211A EP1462876B1 (en) 2003-03-28 2003-03-28 Timepiece with a device for the display of two time zones
AT03405211T ATE497195T1 (en) 2003-03-28 2003-03-28 CLOCK WITH A DEVICE FOR DISPLAYING TWO TIME ZONES
DE60335860T DE60335860D1 (en) 2003-03-28 2003-03-28 Clock with a device for displaying two time zones
US10/805,014 US7075800B2 (en) 2003-03-28 2004-03-19 Timepiece equipped with a device for displaying two time zones
JP2004083766A JP2004301834A (en) 2003-03-28 2004-03-23 Timepiece provided with device for indicating two time zones
HK05100784.5A HK1067969A1 (en) 2003-03-28 2005-01-31 Timepiece with a device for the display of two time zones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405211A EP1462876B1 (en) 2003-03-28 2003-03-28 Timepiece with a device for the display of two time zones

Publications (2)

Publication Number Publication Date
EP1462876A1 EP1462876A1 (en) 2004-09-29
EP1462876B1 true EP1462876B1 (en) 2011-01-26

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EP03405211A Expired - Lifetime EP1462876B1 (en) 2003-03-28 2003-03-28 Timepiece with a device for the display of two time zones

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US (1) US7075800B2 (en)
EP (1) EP1462876B1 (en)
JP (1) JP2004301834A (en)
AT (1) ATE497195T1 (en)
DE (1) DE60335860D1 (en)
HK (1) HK1067969A1 (en)

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EP1734418A1 (en) 2005-06-15 2006-12-20 Manufacture Roger Dubuis S.A. Timepiece
US20090257323A1 (en) * 2008-04-09 2009-10-15 Ali Soltani Watch with rotatable case
CH705782A2 (en) * 2011-11-17 2013-05-31 Blancpain Sa Mechanical state change indicating device for e.g. instantaneous or semi-instantaneous jump hour display mechanism of watch, has state change indicator driven towards elastic return unit by driving unit in indirect and discontinuous manner
WO2021018377A1 (en) 2019-07-29 2021-02-04 Giuliani S.P.A. Cosmetic composition with combined filler and skin regenerative effect

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US125073A (en) * 1872-03-26 1872-03-26 Improvement
US1046246A (en) * 1910-04-29 1912-12-03 Michael D Albrecht Clock.
CH54533A (en) * 1911-02-06 1912-06-01 E Hintzy Watch
US2674085A (en) * 1952-10-08 1954-04-06 Robert S Israel Time zone watch
US3277646A (en) * 1964-11-12 1966-10-11 Sr Ruben M Howard Five-in-one watch assembly
DE7319908U (en) * 1973-05-26 1973-09-06 Montblanc Simplo Gmbh clock
US4222227A (en) * 1979-07-27 1980-09-16 Khachik Arabian Clock dial
JPS6070390A (en) * 1983-09-27 1985-04-22 Citizen Watch Co Ltd Clock with auxiliary hand
JPS62251690A (en) * 1986-04-25 1987-11-02 Seiko Epson Corp Plural time display timepiece
US4763311A (en) * 1987-11-02 1988-08-09 Daniel Marvosh Double clock for daylight saving
US5339293A (en) * 1991-09-13 1994-08-16 Citizen Watch Co., Ltd. Watch with hands for multiple time displays
DE19724762A1 (en) * 1997-06-12 1998-12-24 Flohr Swann Richard Timepiece esp. wrist watch
EP1336907A2 (en) * 2002-02-14 2003-08-20 Richemont International S.A. Actuating mechanism for time setting device of a timepiece and timepiece incorporating such a mechanism

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US20040190382A1 (en) 2004-09-30
US7075800B2 (en) 2006-07-11
HK1067969A1 (en) 2005-04-22
EP1462876A1 (en) 2004-09-29
ATE497195T1 (en) 2011-02-15
DE60335860D1 (en) 2011-03-10
JP2004301834A (en) 2004-10-28

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