EP2479622B1 - Annual calendar device for timepiece - Google Patents

Annual calendar device for timepiece Download PDF

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Publication number
EP2479622B1
EP2479622B1 EP11151879.1A EP11151879A EP2479622B1 EP 2479622 B1 EP2479622 B1 EP 2479622B1 EP 11151879 A EP11151879 A EP 11151879A EP 2479622 B1 EP2479622 B1 EP 2479622B1
Authority
EP
European Patent Office
Prior art keywords
finger
wheel
ring
date ring
plate
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.)
Active
Application number
EP11151879.1A
Other languages
German (de)
French (fr)
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EP2479622A1 (en
Inventor
Julien Chaignat
Stefan Rombach
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP11151879.1A priority Critical patent/EP2479622B1/en
Priority to US13/348,812 priority patent/US8605553B2/en
Priority to CN201210019882.7A priority patent/CN102608902B/en
Priority to JP2012011712A priority patent/JP5592415B2/en
Publication of EP2479622A1 publication Critical patent/EP2479622A1/en
Priority to HK13100955.8A priority patent/HK1174104A1/en
Application granted granted Critical
Publication of EP2479622B1 publication Critical patent/EP2479622B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/2536—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement automatically corrected at the end of months having less than 31 days
    • 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

Definitions

  • the present invention relates to an annual calendar device comprising a date ring bearing thirty-one numbers appearing successively through a window, said ring carrying thirty-one inner teeth located on a first level, a driving wheel of the a date ring making a turn in twenty-four hours, and a mechanism (10) carried by said wheel (5) and rotating with it, said mechanism (10) having a first finger driving one step, at the end of each day, a tooth of the date ring.
  • An annual calendar device is understood to mean a system that advances the date ring by an additional step at the end of the month with less than thirty-one days, a manual correction still to be made at the end of February. correction being done automatically in timepieces equipped with a so-called perpetual calendar device.
  • Annual calendar devices are described in the watchmaking literature and the document will be cited here as an example. EP-1 666 991 which will be summarized below the operation.
  • the annual calendar mechanism described in the document cited comprises a driving wheel of the date ring equipped with a first finger causing once a day a date ring and a second finger causing, at the end of months less of thirty-one days a board with five lugs integral with an annual wheel arranged coaxially with the date ring.
  • a reference connects at the end of each month the annual wheel to the date ring.
  • the annual wheel has twice as many teeth as the year counts for months and the return includes a first wheel engaged with the annual wheel and a second wheel fixed on the first, this second wheel being engaged, at the end of each month, with a lug disposed inside the date ring.
  • the present invention has another advantage, that of requiring only two jumpers instead of three as is common in known embodiments of the state of the art.
  • the figure 1 is a general plan view of the date device explaining the situation of the mechanism chosen at time t5, that is to say the first of May at 1 hour 15 minutes and the figure 2 an enlarged section of the same device operated according to line II-II of the figure 1 .
  • the annual calendar device comprises a date ring 1 carrying thirty-one numbers 2 which appear successively through a window 3.
  • the ring 1 carries thirty-one inner teeth 4 located as shown in FIG. figure 2 on a first level 20.
  • the device further comprises a driving wheel 5 of the date ring 1.
  • This wheel 5 makes a turn in twenty-four hours driven that it is, as seen on the figure 2 , by a wheel 50 driven on the barrel 51 of the hour wheel 52.
  • the driving wheel 5 carries a mechanism designated by reference 10. This mechanism rotates with the driving wheel 5 and will be described in detail below. It has a first finger 6 which leads one step, at the end of each day, a tooth 4 of the date ring 1. As is well known in the state of the art.
  • the date device of the present invention is distinguished by a remarkable and original arrangement in that the mechanism 10 carried by the driving wheel 5 and rotating with it presents a second finger 7 as shown by the Figures 1 and 2 .
  • This second finger 7 driven directly by the wheel 5 in turn causes the date ring 1 an additional step at the end of the last day of a month with less than thirty-one days.
  • the second finger 7 is actuated by a toothing 8 located on a second level 21 of the date ring as shown in FIG. figure 2 this actuation pushing the finger 7 in the path of the teeth 4 of the date ring 1.
  • the figures show that the second finger 7 is connected to the toothing 8 by a suitable kinematic chain 9.
  • the date ring is driven, also at the end of the months counting less than thirty-one days, by a second finger 7 directly linked to the driving wheel 5.
  • the appropriate kinematic chain 9 mentioned above and which controls the displacement of the second finger 7 to introduce it into the path of the teeth 4 of the date ring 1 and thus cause the ring of a step on the last day of one month less than thirty-one days comprises the mechanism 10 which includes the first and second fingers 6 and 7, this mechanism 10 and the fingers 6 and 7 which are attached to it rotating with the driving wheel 5 as we have seen above.
  • the chain also includes a cam of months 11 which has five projections 30 and 34 each corresponding to the months of less than thirty-one days, namely the months of April, June, September, November and February.
  • the projections 30 to 34 operate in turn the second finger 7 via the mechanism 10.
  • the chain 9 finally comprises a star of the months 12 making a turn in a year and coaxially secured to the cam of the months 11 and a return of transmission 13 meshing with said star 12, this reference 13 being in engagement at the end of each day with the toothing 8 being at the second level 21 of the date ring 1.
  • the kinematic chain 9, controlled by the toothing 8 of the ring has the sole function of introducing the finger 7 opposite a tooth 4 of the ring 1 and not to drive this ring, this drive being done by the finger 7 mu by the driving wheel of date 1.
  • the Figures 3 and 4 show that the mechanism 10 carried by the date drive wheel 5 comprises a first plate 17 fixed on the shaft 18 that carries the driving wheel 5.
  • the first plate 17 has in its periphery a tongue 19 from which emerge the first and second fingers 6 and 7, the second finger 7 being disposed at the end of the tongue 19.
  • On the first plate 17 is disposed a second plate 22, the latter being movable diametrically with respect to the driving wheel. It is held axially in place by appropriate means not shown in FIG. figure 4 .
  • This second plate 22 has a first lug 23 passing through the first plate 17 in the vicinity of the back 24 which the second finger 7 has, then a first oblong opening 25 formed in the driving wheel 5.
  • Said second plate 22 has a second lug 26 therethrough the first plate 17 in the vicinity of the back 27 of the tongue 19, then a second oblong opening 28 made in the driving wheel 5.
  • This second plate 22 finally has a heel 29 diametrically opposite the first lug 23 and the second finger 7.
  • the heel 29 is arranged to be in the path of the projections 30 to 34 of the cam of the months 11 as shown by the figures 1 and the Figures 5 to 12 .
  • the figure 5a shows the annual calendar device at time t0, ie April 30 at 22:00 and the figure 5b shows at a larger scale at the same time t0 a detail of this device, in particular the mechanism 10 carried by the driving wheel 5 and the cam of the month 11 topped with the star of the months 12.
  • the driving wheel 5 rotates in the direction of the arrow E with the mechanism 10 which is related thereto.
  • the finger 6 of the mechanism 10 comes into contact with the tooth 4 of the date ring 1.
  • the ring 1 is still at rest and a first jumper 40 locating it is located between two teeth 4a and 4b lying on the first level 20 of the ring 1.
  • the toothing 8 here has two teeth 8a and 8b located on the second level 21 of the ring 1, none of these teeth being in contact with the transmission gear 13 which is at rest like the star of months 12 which is linked to it.
  • a second jumper 42 is between two teeth 43 and 44 of said star 12 to position it.
  • the Figures 6a and 6b show the situation of the device at time t1, that is to say April 30 at 22 hours 45.
  • the finger 6 of the mechanism 10 drives the ring 1 in the direction of the arrow F.
  • the tooth of the toothing 8a of the ring 1 comes into contact with a tooth 41 of the reference 13 and the jumper 40 climbs the tooth 4b of the ring 1.
  • the number 30 begins to disappear from the box 3.
  • the figures 7a and 7b show the situation of the device at time t2, that is April 30 at 23 hours 20.
  • the finger 6 is always driven in the direction of the arrow F as the ring 1
  • the tooth 8a drives the return 13 in the direction of the arrow K which in turn drives the star 12 and the cam 11 which is linked to it in the direction of the arrow H.
  • the disk of the month 14 which does not appear in these figures also turns in the direction of the arrow H and the first APR APR starts to disappear from wicket 16.
  • the number 31 begins to appear in wicket 3.
  • the jumper 42 climbs tooth 43 of star 12.
  • the figures 8a and 8b show the situation of the device at time t3, ie the first of May at 00h00.
  • tooth 8a of ring 1 always drives the reference 13 in the direction of arrow K and the star 12 in the direction of the arrow H until the jumper 42 pushes the tooth 43 in the same direction and is positioned between the teeth 43 and 44 of said star.
  • the projection 30 of the cam 11 has come into contact with the bottom of the heel 29 of the mechanism 10.
  • the figure 30 has completely disappeared from the window 3 which reveals the number 31 in the window 3 and the second mention APR appears entirely in the window 16.
  • the finger 6 has completely cleared the tooth 4 of the ring 1 and the jumper 40 has fallen between the teeth 4b and 4d of the ring 1 to index well.
  • FIGs 9a and 9b show the situation of the device at time t4, the first of May at 0 hours 30.
  • the heel 29 of the mechanism 10 has escalated the projection 30 of the cam 11 which has the effect of pushing the finger 7 of the same mechanism in the trajectory of the teeth 4 of the ring 1 as explained above when this mechanism has been described in support of Figures 3 and 4 .
  • the finger 7, like the show it figure 9b then comes to bear against the tooth 4c of the ring 1. At this level neither the ring 1 nor the disc 16 have moved.
  • the figures 10a and 10b show the situation of the device at time t5, ie the first of May at 1 hour 15.
  • the driving wheel 5 by the finger 7 of its mechanism 10 always in engagement with the tooth 4c of the ring 1, it advances the latter in the direction of the arrow F, the projection 30 of the cam 11 still pressing the heel 29 of the mechanism 10.
  • the tooth 8b of the toothing 8 of the ring 1 comes s press against the tooth 45 of the reference 13 without further training.
  • the number 31 begins to disappear from the window 3.
  • the jumper 40 begins to climb the tooth 4d of the ring 1.
  • FIGS. 11a and 11b show the situation of the device at time t6, ie the first of May at 2:00 am.
  • the ring 1 By turning in the direction of the arrow F, the ring 1 by its tooth 8b of the toothing 8 causes the return 13 in the direction of the arrow K which in turn causes the star 12 and the disk 14 months in the direction of the arrow H, the word APR tends to disappear to make room for the word MAl in the window 16.
  • the ring 1 removes the number 31 and introduces the number 1 in the window 3 by the action of the finger 7 on the tooth 4c of the ring 1, the projection 30 of the cam 11 pressing still on the heel 29 of the mechanism 10.
  • the figures 12a and 12b show the end of the transition from one month less than thirty-one days to the following month and that to the time t7, ie the first of May at 2:30 am. Tooth 8b of toothing 8 has finished driving tooth 45 of 13 in the direction of the arrow K. In doing so, said referral has rotated the star 12 in the direction of the arrow H as well as the 14 months disk which is linked to it. The jumper 42 then enters between the teeth 44 and 46 of the star 12 and definitely positions the word MAl in the window 16. By turning in the direction of the arrow H, the cam 11 has cleared the projection 30 of the heel 29 and the finger 7 is then rejected outside the trajectory of the teeth 4 of the ring 1. Similarly turning in the direction of the arrow F the jumper 40 completes pushing the ring 1 which is positioned between the teeth 4d and 4e and which then has the number 1 in the window 3.
  • the presentation which has just been given shows that said device is sufficient for two jumpers, one 40 acting on the teeth 4 of the date ring 1 and the other 42 acting on the star of the months 12.

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

Abstract

The device has a date ring (1) carrying thirty-one inner teeth (4). A driving mechanism (10) is carried by a drive wheel (5). The mechanism comprises a first finger (6) driving the inner teeth of the date ring at one step at the end of a day. The mechanism comprises a second finger (7) driving the date ring at an additional step at the end of the last day of a month less than thirty-one days. The second finger is activated for the purpose of driving by a tooth (8) located on one of levels of the date ring. The second finger is connected to the tooth by a kinematic chain (9).

Description

La présente invention est relative à un dispositif de quantième annuel comprenant un anneau de quantième portant trente et un chiffres apparaissant successivement au travers d'un guichet, ledit anneau portant trente et une dents intérieures situées sur un premier niveau, une roue entraîneuse de l'anneau de quantième faisant un tour en vingt-quatre heures, et un mécanisme (10) porté par ladite roue (5) et tournant avec elle, ledit mécanisme (10) présentant un premier doigt entraînant d'un pas, à la fin de chaque jour, une dent de l'anneau de quantième.The present invention relates to an annual calendar device comprising a date ring bearing thirty-one numbers appearing successively through a window, said ring carrying thirty-one inner teeth located on a first level, a driving wheel of the a date ring making a turn in twenty-four hours, and a mechanism (10) carried by said wheel (5) and rotating with it, said mechanism (10) having a first finger driving one step, at the end of each day, a tooth of the date ring.

Par dispositif de quantième annuel, on entend un système qui avance d'un pas supplémentaire l'anneau de quantième à la fin des mois comportant moins de trente et un jours, une correction manuelle restant à faire à la fin du mois de février, cette correction se faisant automatiquement dans les pièces d'horlogerie équipées d'un dispositif de quantième dit perpétuel. Des dispositifs de quantième annuel sont décrits dans la littérature horlogère et l'on citera ici en exemple le document EP-1 666 991 dont on résumera ci-après le fonctionnement.An annual calendar device is understood to mean a system that advances the date ring by an additional step at the end of the month with less than thirty-one days, a manual correction still to be made at the end of February. correction being done automatically in timepieces equipped with a so-called perpetual calendar device. Annual calendar devices are described in the watchmaking literature and the document will be cited here as an example. EP-1 666 991 which will be summarized below the operation.

Le mécanisme de quantième annuel décrit dans le document cité comprend une roue entraîneuse de l'anneau de quantième équipée d'un premier doigt entraînant une fois par jour un anneau de quantième et d'un second doigt entraînant, à la fin des mois de moins de trente et un jours une planche à cinq ergots solidaire d'une roue annuelle disposée coaxialement à l'anneau de quantième. Un renvoi relie à la fin de chaque mois la roue annuelle à l'anneau de quantième. La roue annuelle comporte deux fois plus de dents que l'année compte de mois et le renvoi comprend une première roue en prise avec la roue annuelle et une deuxième roue fixée sur la première, cette deuxième roue étant en prise, à la fin de chaque mois, avec un ergot disposé à l'intérieur de l'anneau de quantième.The annual calendar mechanism described in the document cited comprises a driving wheel of the date ring equipped with a first finger causing once a day a date ring and a second finger causing, at the end of months less of thirty-one days a board with five lugs integral with an annual wheel arranged coaxially with the date ring. A reference connects at the end of each month the annual wheel to the date ring. The annual wheel has twice as many teeth as the year counts for months and the return includes a first wheel engaged with the annual wheel and a second wheel fixed on the first, this second wheel being engaged, at the end of each month, with a lug disposed inside the date ring.

De ce qui vient d'être dit, on comprendra que si le premier doigt intégré à la roue entraîneuse entraîne directement et chaque jour l'anneau de quantième, le second doigt lui, également intégré à la roue entraîneuse, n'entraîne l'anneau de quantième qu'indirectement par l'intermédiaire d'une chaine cinématique comprenant une planche à cinq ergots, une roue annuelle et un renvoi composé de deux roues superposées, ce renvoi entraînant finalement l'anneau de quantième d'un pas supplémentaire à la fin des mois de moins de trente et un jours. On comprendra que cette chaîne cinématique consomme de l'énergie et qu'une économie appréciable pourrait être réalisée si le second doigt, également monté sur la roue entraîneuse, pouvait entraîner directement et sans intermédiaire l'anneau de quantième à la fin du mois comptant moins de trente et un jour. C'est le but de la présente invention de réaliser cette économie.From what has just been said, it will be understood that if the first finger integrated in the driving wheel drives directly and every day the date ring, the second finger him, also integrated in the driving wheel, does not drive the ring of calendar that indirectly via a kinematic chain comprising a board with five lugs, an annual wheel and a return consisting of two superimposed wheels, this referral finally causing the date ring a step further at the end months of less than thirty-one days. It will be understood that this driveline system consumes energy and that appreciable economy could be achieved if the second finger, also mounted on the driving wheel, could directly and without intermediary drive the date ring at the end of the month counting less thirty-one days. It is the object of the present invention to achieve this economy.

On connait également du document US 2010/135125 un dispositif de quantième annuel pour pièce d'horlogerie.We also know of the document US 2010/135125 an annual calendar device for a timepiece.

Ainsi la présente invention, est définie par la revendication 1 du brevet.Thus the present invention is defined by claim 1 of the patent.

On mentionnera encore que la présente invention présente un autre avantage, celui de ne nécessiter que de deux sautoirs au lieu de trois comme cela est courant dans les exécutions connues de l'état de l'art.It will be mentioned further that the present invention has another advantage, that of requiring only two jumpers instead of three as is common in known embodiments of the state of the art.

Les caractéristiques et avantages de la présente invention ressortiront de la description qui va suivre, faite en regard des dessins annexés et donnant, à titre d'exemple explicatif, mais nullement limitatif une forme avantageuse de la réalisation d'un quantième annuel, dessins dans lesquels :

  • la figure 1 est une vue générale en plan du dispositif de quantième annuel réalisé selon la présente invention,
  • la figure 2 est une coupe à échelle agrandie selon la ligne II-II tracée en figure 1,
  • la figure 3 est une vue en plan de la roue entraîneuse de quantième avec le mécanisme qui lui est associé, cette roue n'apparaissant qu'à l'échelle réduite en figure 1,
  • la figure 4 est une coupe selon la ligne lV-lV tracée en figure 3,
  • la figure 5a montre comment se présente le dispositif de quantième annuel le 30 avril à 22 heures 00 et la figure 5b montre à échelle agrandie un détail de ce dispositif à la même date et à la même heure au temps t0.
  • les figures 6a et 6b explicitent la situation du dispositif le 30 avril à 22 heures 45 au temps t1,
  • les figures 7a et 7b explicitent la situation du dispositif le 30 avril à 23 heures 20 au temps t2,
  • les figures 8a et 8b explicitent la situation du dispositif le 1er mai à 0 heure 00 au temps t3,
  • les figures 9a et 9b explicitent la situation du dispositif le 1er mai à 0 heure 30 au temps t4
  • les figures 10a et 10b explicitent la situation du dispositif le 1er mai à 1 heure 15 au temps t5,
  • les figures 11 a et 11 b explicitent la situation du dispositif le 1er mai à 2 heures 00 au temps t6 et
  • les figures 12a et 12b explicitent la situation du dispositif le 1er mai à 2 heures 30 au temps t7.
The features and advantages of the present invention will emerge from the description which follows, made with reference to the accompanying drawings and giving, by way of an explanatory example, but in no way limiting a advantageous form of the realization of an annual calendar, drawings in which:
  • the figure 1 is a general plan view of the annual calendar device made according to the present invention,
  • the figure 2 is a section on an enlarged scale along line II-II drawn in figure 1 ,
  • the figure 3 is a plan view of the date driving wheel with the mechanism associated with it, this wheel appearing only at the reduced scale in figure 1 ,
  • the figure 4 is a section along line IV-IV traced in figure 3 ,
  • the figure 5a shows how the annual calendar device is presented on April 30 at 10:00 pm and the figure 5b shows on a larger scale a detail of this device on the same date and at the same time at time t0.
  • the Figures 6a and 6b Explain the situation of the device on April 30 at 22:45 at time t1,
  • the figures 7a and 7b Explain the situation of the device on April 30 at 23:20 at time t2,
  • the figures 8a and 8b explicit the position of the device on 1 May at 0 hours 00 at the time t3,
  • the Figures 9a and 9b explicit the position of the device on 1 May at 0 hours 30 at time t4
  • the figures 10a and 10b explicit the position of the device 1 May to 1 hour 15 at time t5,
  • the figures 11 and 11b explicit the position of the device on May 1 at 2:00 and the time t6
  • the figures 12a and 12b explicit the position of the device on May 1 at 2:30 at the time t7.

On se réfère maintenant aux figures 1 et 2 pour expliquer l'idée principale gouvernant la présente invention. La figure 1 est une vue générale en plan du dispositif de quantième explicitant la situation du mécanisme choisie au temps t5, c'est-à-dire le premier mai à 1 heure 15 minutes et la figure 2 une coupe à échelle agrandie du même dispositif opérée selon la ligne II-II de la figure 1. Le dispositif de quantième annuel comprend un anneau de quantième 1 portant trente et un chiffres 2 qui apparaissent successivement au travers d'un guichet 3. L'anneau 1 porte trente et une dents intérieures 4 situées comme le montre la figure 2 sur un premier niveau 20. Le dispositif comporte encore une roue 5 entraîneuse de l'anneau de quantième 1. Cette roue 5 fait un tour en vingt-quatre heures entraînée qu'elle est, comme on le voit sur la figure 2, par une roue 50 chassée sur le canon 51 de la roue des heures 52. La roue entraîneuse 5 porte un mécanisme désigné par la référence 10. Ce mécanisme tourne avec la roue entraîneuse 5 et sera décrit dans le détail plus loin. Il présente un premier doigt 6 qui entraîne d'un pas, à la fin de chaque jour, une dent 4 de l'anneau de quantième 1. Comme cela est bien connu de l'état de la technique.We now refer to Figures 1 and 2 to explain the main idea governing the present invention. The figure 1 is a general plan view of the date device explaining the situation of the mechanism chosen at time t5, that is to say the first of May at 1 hour 15 minutes and the figure 2 an enlarged section of the same device operated according to line II-II of the figure 1 . The annual calendar device comprises a date ring 1 carrying thirty-one numbers 2 which appear successively through a window 3. The ring 1 carries thirty-one inner teeth 4 located as shown in FIG. figure 2 on a first level 20. The device further comprises a driving wheel 5 of the date ring 1. This wheel 5 makes a turn in twenty-four hours driven that it is, as seen on the figure 2 , by a wheel 50 driven on the barrel 51 of the hour wheel 52. The driving wheel 5 carries a mechanism designated by reference 10. This mechanism rotates with the driving wheel 5 and will be described in detail below. It has a first finger 6 which leads one step, at the end of each day, a tooth 4 of the date ring 1. As is well known in the state of the art.

Par rapport à ce qui vient d'être dit ci-dessus, le dispositif de quantième de la présente invention se distingue par une disposition remarquable et originale en ce sens que le mécanisme 10 porté par la roue entraîneuse 5 et tournant avec elle présente un second doigt 7 comme le montrent les figures 1 et 2. Ce second doigt 7 entraîné directement par la roue 5 entraîne à son tour l'anneau de quantième 1 d'un pas supplémentaire à la fin du dernier jour d'un mois comptant moins de trente et un jours. En vue de cet entraînement, le second doigt 7 est actionné par une denture 8 située sur un second niveau 21 de l'anneau de quantième comme le montre la figure 2, cet actionnement poussant le doigt 7 dans la trajectoire des dents 4 de l'anneau de quantième 1. Pour ce faire, les figures montrent que le second doigt 7 est relié à la denture 8 par une chaîne cinématique appropriée 9. Ainsi dans le dispositif de l'invention l'anneau de quantième est-il entraîné, aussi à la fin des mois comptant moins de trente et un jours, par un second doigt 7 lié directement à la roue entraîneuse 5.Compared to what has just been said above, the date device of the present invention is distinguished by a remarkable and original arrangement in that the mechanism 10 carried by the driving wheel 5 and rotating with it presents a second finger 7 as shown by the Figures 1 and 2 . This second finger 7 driven directly by the wheel 5 in turn causes the date ring 1 an additional step at the end of the last day of a month with less than thirty-one days. For this drive, the second finger 7 is actuated by a toothing 8 located on a second level 21 of the date ring as shown in FIG. figure 2 this actuation pushing the finger 7 in the path of the teeth 4 of the date ring 1. To do this, the figures show that the second finger 7 is connected to the toothing 8 by a suitable kinematic chain 9. Thus in the device of the invention the date ring is driven, also at the end of the months counting less than thirty-one days, by a second finger 7 directly linked to the driving wheel 5.

La chaîne cinématique appropriée 9 mentionnée ci-dessus et qui commande le déplacement du second doigt 7 pour l'introduire dans la trajectoire des dents 4 de l'anneau de quantième 1 et entraîner ainsi l'anneau d'un pas lors du dernier jour d'un mois comptant moins de trente et un jours comporte le mécanisme 10 qui inclut les premier et second doigts 6 et 7, ce mécanisme 10 et les doigts 6 et 7 qui lui sont attachés tournant avec la roue entraîneuse 5 comme on l'a vu ci-dessus. La chaîne comprend encore une came des mois 11 qui présente cinq saillies 30 et 34 correspondant chacune aux mois de moins de trente et un jours, à savoir les mois d'avril, de juin, de septembre, de novembre et de février. Les saillies 30 à 34 actionnent tour à tour le second doigt 7 par l'intermédiaire du mécanisme 10. La chaîne 9 comprend enfin une étoile des mois 12 faisant un tour en une année et coaxialement solidaire de la came des mois 11 et un renvoi de transmission 13 engrenant avec ladite étoile 12, ce renvoi 13 étant en prise, à la fin de chaque jour avec la denture 8 se trouvant au second niveau 21 de l'anneau de quantième 1.The appropriate kinematic chain 9 mentioned above and which controls the displacement of the second finger 7 to introduce it into the path of the teeth 4 of the date ring 1 and thus cause the ring of a step on the last day of one month less than thirty-one days comprises the mechanism 10 which includes the first and second fingers 6 and 7, this mechanism 10 and the fingers 6 and 7 which are attached to it rotating with the driving wheel 5 as we have seen above. The chain also includes a cam of months 11 which has five projections 30 and 34 each corresponding to the months of less than thirty-one days, namely the months of April, June, September, November and February. The projections 30 to 34 operate in turn the second finger 7 via the mechanism 10. The chain 9 finally comprises a star of the months 12 making a turn in a year and coaxially secured to the cam of the months 11 and a return of transmission 13 meshing with said star 12, this reference 13 being in engagement at the end of each day with the toothing 8 being at the second level 21 of the date ring 1.

Des explications qui viennent d'être données, on comprend que la chaîne cinématique 9, commandée par la denture 8 de l'anneau a pour seule mission d'introduire le doigt 7 en regard d'une dent 4 de l'anneau 1 et non pour entraîner cet anneau, cet entraînement se faisant par le doigt 7 mu par la roue entraîneuse de quantième 1.From the explanations which have just been given, it will be understood that the kinematic chain 9, controlled by the toothing 8 of the ring, has the sole function of introducing the finger 7 opposite a tooth 4 of the ring 1 and not to drive this ring, this drive being done by the finger 7 mu by the driving wheel of date 1.

Comme cela est présenté en figure 2, on voit que l'étoile des mois 12, solidaire de la came 11 porte un disque 14 sur lequel sont inscrits les noms des mois 15 apparaissant sur la figure 1, ces noms apparaissant successivement au travers d'un guichet 16. Les noms apparaissent deux fois et défilent donc deux fois au travers du guichet à la fin de chaque mois. Ce léger inconvénient est dû au dispositif ici proposé et pourrait être évité en lui ajoutant deux éléments supplémentaires ce qui ne ferait apparaître qu'une seule fois le nom du mois au changement du mois. Pour cela on fixe sous le disque des mois 14 une étoile supplémentaire montée en rotation libre sur l'étoile des mois 12 et on commande cette étoile supplémentaire par une roue supplémentaire fixée sur le renvoi de transmission 13, comme cela est déjà décrit dans le document EP-1666991 cité plus haut. Si ces éléments supplémentaires permettent un agrandissement des lettres composant le nom du mois, ils conduisent cependant à une pièce d'horlogerie plus épaisse.As presented in figure 2 , we see that the star of the months 12, integral with the cam 11 carries a disc 14 on which are inscribed the names of the months 15 appearing on the figure 1 , these names appear successively through a window 16. The names appear twice and so scroll twice through the window at the end of each month. This slight disadvantage is due to the device proposed here and could be avoided by adding two additional elements which would make appear only once the name of the month at the change of the month. For this we fix under the disk of months 14 an additional star mounted in free rotation on the star of months 12 and this additional star is controlled by an additional wheel fixed on the transmission transmission 13, as already described in the document EP-1666991 cited above. If these additional elements allow an enlargement of the letters composing the name of the month, they lead however to a thicker timepiece.

On va décrire maintenant le mécanisme 10 porté par la roue entraîneuse de quantième 5 et tournant avec elle en se référant plus particulièrement à la vue en plan de la figure 3 et à la coupe de la figure 4, cette coupe étant réalisée selon la ligne IV-IV de la figure 3. Ce mécanisme 10 a été choisi parmi d'autres possibles et ne limite en rien la portée de la présente invention, qui est définie par les revendications annexées, l'essentiel résidant dans le fait qu'il est associé à la roue entraîneuse 5, tourne avec elle et comprend les premier et second doigts 6 et 7 agissant le premier à la fin de chaque jour et le second à la fin du dernier jour des mois comptant moins de trente et un jours.We will now describe the mechanism 10 carried by the driving wheel of date 5 and rotating with it with particular reference to the plan view of the figure 3 and at the cut of the figure 4 , this section being taken along line IV-IV of the figure 3 . This mechanism 10 has been chosen among other possible and does not limit the scope of the present invention, which is defined by the appended claims, the essential being that it is associated with the driving wheel 5, turns with it and includes the first and second fingers 6 and 7 acting first at the end of each day and the second at the end of the last day of the months counting less than thirty-one days.

Les figures 3 et 4 montrent que le mécanisme 10 porté par la roue entraîneuse de quantième 5 comprend une première plaque 17 fixée sur l'arbre 18 que porte la roue entraîneuse 5. La première plaque 17 présente dans sa périphérie une languette 19 d'où émergent les premier et second doigts 6 et 7, le second doigt 7 étant disposé à l'extrémité de la languette 19. Sur la première plaque 17 est disposée une seconde plaque 22, cette dernière étant susceptible de se mouvoir diamétralement par rapport à la roue entraîneuse. Elle est maintenue axialement en place par des moyens appropriés non représentés en figure 4. Cette seconde plaque 22 présente un premier ergot 23 traversant la première plaque 17 en avoisinant le dos 24 que présente le second doigt 7, puis une première ouverture oblongue 25 pratiquée dans la roue entraîneuse 5. Ladite seconde plaque 22 présente encore un second ergot 26 traversant la première plaque 17 en avoisinant le dos 27 que présente la languette 19, puis une seconde ouverture oblongue 28 pratiquée dans la roue entraîneuse 5. Cette seconde plaque 22 présente enfin un talon 29 diamétralement opposé au premier ergot 23 et au second doigt 7. Le talon 29 est arrangé pour se trouver dans la trajectoire des saillies 30 à 34 de la came des mois 11 comme le montrent les figures 1 et les figures 5 à 12. Ainsi quand le talon 29 est poussé dans le sens de la flèche A par une saillie 30 de la came des mois 11 (voir figure1), le second doigt 7, poussé à son tour par le premier ergot 23 dans le sens de la flèche B, entre-t-il dans la trajectoire des dents 4 de l'anneau de quantième 1 pour faire progresser ledit anneau d'un pas supplémentaire.The Figures 3 and 4 show that the mechanism 10 carried by the date drive wheel 5 comprises a first plate 17 fixed on the shaft 18 that carries the driving wheel 5. The first plate 17 has in its periphery a tongue 19 from which emerge the first and second fingers 6 and 7, the second finger 7 being disposed at the end of the tongue 19. On the first plate 17 is disposed a second plate 22, the latter being movable diametrically with respect to the driving wheel. It is held axially in place by appropriate means not shown in FIG. figure 4 . This second plate 22 has a first lug 23 passing through the first plate 17 in the vicinity of the back 24 which the second finger 7 has, then a first oblong opening 25 formed in the driving wheel 5. Said second plate 22 has a second lug 26 therethrough the first plate 17 in the vicinity of the back 27 of the tongue 19, then a second oblong opening 28 made in the driving wheel 5. This second plate 22 finally has a heel 29 diametrically opposite the first lug 23 and the second finger 7. The heel 29 is arranged to be in the path of the projections 30 to 34 of the cam of the months 11 as shown by the figures 1 and the Figures 5 to 12 . Thus when the heel 29 is pushed in the direction of the arrow A by a projection 30 of the cam of the months 11 (see figure 1 ), the second finger 7, pushed in turn by the first lug 23 in the direction of the arrow B, between it in the path of the teeth 4 of the date ring 1 to advance said ring of a not extra.

On va décrire maintenant le fonctionnement du quantième annuel selon l'invention en s'aidant des figures 5a,b à 12a,b pour expliquer le passage d'un mois comptant moins de trente et un jours au mois suivant en prenant pour exemple le passage du mois d'avril au mois de mai.We will now describe the operation of the annual calendar according to the invention with the help of figures 5a , b at 12a , b to explain the change from a month of less than thirty-one days to the next month, taking for example the change from April to May.

La figure 5a montre comment se présente le dispositif de quantième annuel au temps t0, soit le 30 avril à 22 heures 00 et la figure 5b montre à échelle agrandie au même temps t0 un détail de ce dispositif, notamment le mécanisme 10 porté par la roue entraîneuse 5 et la came des mois 11 surmontée de l'étoile des mois 12. Entraînée par l'organe moteur de la pièce d'horlogerie, la roue entraîneuse 5 tourne dans le sens de la flèche E avec le mécanisme 10 qui lui est lié. A 22heures 00 le doigt 6 du mécanisme 10 entre en contact de la dent 4 de l'anneau de quantième 1. L'anneau 1 est encore au repos et un premier sautoir 40 le positionnant se trouve situé entre deux dents 4a et 4b se trouvant sur le premier niveau 20 de l'anneau 1. La denture 8 présente ici deux dents 8a et 8b situées sur le second niveau 21 de l'anneau 1, aucune de ces dents n'étant en prise avec le renvoi de transmission 13 qui est au repos comme l'étoile des mois 12 qui lui est liée. Un second sautoir 42 se trouve entre deux dents 43 et 44 de ladite étoile 12 pour la positionner.The figure 5a shows the annual calendar device at time t0, ie April 30 at 22:00 and the figure 5b shows at a larger scale at the same time t0 a detail of this device, in particular the mechanism 10 carried by the driving wheel 5 and the cam of the month 11 topped with the star of the months 12. Driven by the drive member of the workpiece clock, the driving wheel 5 rotates in the direction of the arrow E with the mechanism 10 which is related thereto. At 22:00 the finger 6 of the mechanism 10 comes into contact with the tooth 4 of the date ring 1. The ring 1 is still at rest and a first jumper 40 locating it is located between two teeth 4a and 4b lying on the first level 20 of the ring 1. The toothing 8 here has two teeth 8a and 8b located on the second level 21 of the ring 1, none of these teeth being in contact with the transmission gear 13 which is at rest like the star of months 12 which is linked to it. A second jumper 42 is between two teeth 43 and 44 of said star 12 to position it.

Les figures 6a et 6b montrent la situation du dispositif au temps t1, soit le 30 avril à 22 heures 45. En continuant à tourner dans le sens de la flèche E, le doigt 6 du mécanisme 10 entraîne l'anneau 1 dans le sens de la flèche F. La dent de la denture 8a de l'anneau 1 entre en contact avec une dent 41 du renvoi 13 et le sautoir 40 escalade la dent 4b de l'anneau 1. Le chiffre 30 commence à disparaître du guichet 3.The Figures 6a and 6b show the situation of the device at time t1, that is to say April 30 at 22 hours 45. Continuing to turn in the direction of the arrow E, the finger 6 of the mechanism 10 drives the ring 1 in the direction of the arrow F. The tooth of the toothing 8a of the ring 1 comes into contact with a tooth 41 of the reference 13 and the jumper 40 climbs the tooth 4b of the ring 1. The number 30 begins to disappear from the box 3.

Les figures 7a et 7b montrent la situation du dispositif au temps t2, soit le 30 avril à 23 heures 20. Le doigt 6 étant toujours entraîné dans le sens de la flèche F comme l'anneau 1, la dent 8a entraîne le renvoi 13 dans le sens de la flèche K qui entraîne à son tour l'étoile 12 et la came 11 qui lui est liée dans le sens de la flèche H. Le disque du mois 14 qui n'apparaît pas dans ces figures tourne aussi dans le sens de la flèche H et la première mention d'avril APR commence à disparaître du guichet 16. Le chiffre 31 commence à apparaître dans le guichet 3. Le sautoir 42 escalade la dent 43 de l'étoile 12.The figures 7a and 7b show the situation of the device at time t2, that is April 30 at 23 hours 20. The finger 6 is always driven in the direction of the arrow F as the ring 1, the tooth 8a drives the return 13 in the direction of the arrow K which in turn drives the star 12 and the cam 11 which is linked to it in the direction of the arrow H. The disk of the month 14 which does not appear in these figures also turns in the direction of the arrow H and the first APR APR starts to disappear from wicket 16. The number 31 begins to appear in wicket 3. The jumper 42 climbs tooth 43 of star 12.

Les figures 8a et 8b montrent la situation du dispositif au temps t3, soit le premier mai à 0 heure 00. En continuant à tourner dans le sens de la flèche F, la dent 8a de l'anneau 1 entraîne toujours le renvoi 13 dans le sens de la flèche K et l'étoile 12 dans le sens de la flèche H jusqu'à ce que le sautoir 42 pousse la dent 43 dans le même sens et se positionne entre les dents 43 et 44 de ladite étoile. En tournant, la saillie 30 de la came 11 est entrée en contact avec le bas du talon 29 du mécanisme 10. Le chiffre 30 a totalement disparu du guichet 3 qui laisse apparaître le chiffre 31 dans le guichet 3 et la seconde mention APR apparaît entièrement dans le guichet 16. Le doigt 6 s'est complètement dégagé de la dent 4 de l'anneau 1 et le sautoir 40 est retombé entre les dents 4b et 4d de l'anneau 1 pour bien l'indexer.The figures 8a and 8b show the situation of the device at time t3, ie the first of May at 00h00. Continuing to turn in the direction of arrow F, tooth 8a of ring 1 always drives the reference 13 in the direction of arrow K and the star 12 in the direction of the arrow H until the jumper 42 pushes the tooth 43 in the same direction and is positioned between the teeth 43 and 44 of said star. By turning, the projection 30 of the cam 11 has come into contact with the bottom of the heel 29 of the mechanism 10. The figure 30 has completely disappeared from the window 3 which reveals the number 31 in the window 3 and the second mention APR appears entirely in the window 16. The finger 6 has completely cleared the tooth 4 of the ring 1 and the jumper 40 has fallen between the teeth 4b and 4d of the ring 1 to index well.

Les figures 9a et 9b montrent la situation du dispositif au temps t4, soit le premier mai à 0 heure 30. En tournant dans le sens de la flèche E, le talon 29 du mécanisme 10 a escaladé la saillie 30 de la came 11 ce qui a pour effet de pousser le doigt 7 du même mécanisme dans la trajectoire des dents 4 de l'anneau 1 comme cela a été expliqué plus haut quand on a décrit ce mécanisme à l'appui des figures 3 et 4. Le doigt 7, comme le montre la figure 9b, vient alors s'appuyer contre la dent 4c de l'anneau 1. A ce niveau ni l'anneau 1, ni le disque 16 n'ont bougé.The Figures 9a and 9b show the situation of the device at time t4, the first of May at 0 hours 30. By turning in the direction of the arrow E, the heel 29 of the mechanism 10 has escalated the projection 30 of the cam 11 which has the effect of pushing the finger 7 of the same mechanism in the trajectory of the teeth 4 of the ring 1 as explained above when this mechanism has been described in support of Figures 3 and 4 . The finger 7, like the show it figure 9b , then comes to bear against the tooth 4c of the ring 1. At this level neither the ring 1 nor the disc 16 have moved.

Les figures 10a et 10b montrent la situation du dispositif au temps t5, soit le premier mai à 1 heure 15. En continuant à tourner dans le sens de la flèche E, la roue entraîneuse 5 par le doigt 7 de son mécanisme 10, toujours en prise avec la dent 4c de l'anneau 1, fait avancer ce dernier dans le sens de la flèche F, la saillie 30 de la came 11 appuyant encore sur le talon 29 du mécanisme 10. Ici la dent 8b de la denture 8 de l'anneau 1 vient s'appuyer contre la dent 45 du renvoi 13 sans encore l'entraîner. Le chiffre 31 commence à disparaître du guichet 3. Enfin le sautoir 40 commence à escalader la dent 4d de l'anneau 1.The figures 10a and 10b show the situation of the device at time t5, ie the first of May at 1 hour 15. Continuing to turn in the direction of the arrow E, the driving wheel 5 by the finger 7 of its mechanism 10, always in engagement with the tooth 4c of the ring 1, it advances the latter in the direction of the arrow F, the projection 30 of the cam 11 still pressing the heel 29 of the mechanism 10. Here the tooth 8b of the toothing 8 of the ring 1 comes s press against the tooth 45 of the reference 13 without further training. The number 31 begins to disappear from the window 3. Finally the jumper 40 begins to climb the tooth 4d of the ring 1.

Les figues 11 a et 11 b montrent la situation du dispositif au temps t6, soit le premier mai à 2 heures 00. En tournant dans le sens de la flèche F l'anneau 1 par sa dent 8b de la denture 8 entraîne le renvoi 13 dans le sens de la flèche K qui entraîne à son tour l'étoile 12 et le disque des mois 14 dans le sens de la flèche H, le mot APR tend à disparaître pour faire place au mot MAl dans le guichet 16. En tournant dans le sens de la flèche F, l'anneau 1 fait disparaître le chiffre 31 et introduit le chiffre 1 dans le guichet 3 par l'action du doigt 7 sur la dent 4c de l'anneau 1, la saillie 30 de la came 11 appuyant encore sur le talon 29 du mécanisme 10.FIGS. 11a and 11b show the situation of the device at time t6, ie the first of May at 2:00 am. By turning in the direction of the arrow F, the ring 1 by its tooth 8b of the toothing 8 causes the return 13 in the direction of the arrow K which in turn causes the star 12 and the disk 14 months in the direction of the arrow H, the word APR tends to disappear to make room for the word MAl in the window 16. Turning in the direction of the arrow F, the ring 1 removes the number 31 and introduces the number 1 in the window 3 by the action of the finger 7 on the tooth 4c of the ring 1, the projection 30 of the cam 11 pressing still on the heel 29 of the mechanism 10.

Les figures 12a et 12b montrent la fin du passage d'un mois de moins de trente et un jours au mois suivant et cela au temps t7, soit le premier mai à 2 heures 30. La dent 8b de la denture 8 a fini d'entraîner la dent 45 du renvoi 13 dans le sens de la flèche K. Ce faisant, ledit renvoi a fait tourner l'étoile 12 dans le sens de la flèche H ainsi que le disque des mois 14 qui lui est lié. Le sautoir 42 pénètre alors entre les dents 44 et 46 de l'étoile 12 et positionne définitivement le mot MAl dans le guichet 16. En tournant dans le sens de la flèche H, la came 11 a dégagé la saillie 30 du talon 29 et le doigt 7 se trouve alors rejeté en dehors de la trajectoire des dents 4 de l'anneau 1. De même en tournant dans le sens de la flèche F le sautoir 40 achève de pousser l'anneau 1 qui se positionne entre les dents 4d et 4e et qui présente alors le chiffre 1 dans le guichet 3.The figures 12a and 12b show the end of the transition from one month less than thirty-one days to the following month and that to the time t7, ie the first of May at 2:30 am. Tooth 8b of toothing 8 has finished driving tooth 45 of 13 in the direction of the arrow K. In doing so, said referral has rotated the star 12 in the direction of the arrow H as well as the 14 months disk which is linked to it. The jumper 42 then enters between the teeth 44 and 46 of the star 12 and definitely positions the word MAl in the window 16. By turning in the direction of the arrow H, the cam 11 has cleared the projection 30 of the heel 29 and the finger 7 is then rejected outside the trajectory of the teeth 4 of the ring 1. Similarly turning in the direction of the arrow F the jumper 40 completes pushing the ring 1 which is positioned between the teeth 4d and 4e and which then has the number 1 in the window 3.

En plus l'économie d'énergie qui présente le dispositif selon l'invention et qui a été montré plus haut, l'exposé qui vient d'être donné montre que ledit dispositif se suffit de deux sautoirs, l'un 40 agissant sur les dents 4 de l'anneau de quantième 1 et l'autre 42 agissant sur l'étoile des mois 12.In addition to the energy saving which presents the device according to the invention and which has been shown above, the presentation which has just been given shows that said device is sufficient for two jumpers, one 40 acting on the teeth 4 of the date ring 1 and the other 42 acting on the star of the months 12.

Claims (4)

  1. Annual calendar device for a timepiece including a date ring (1) bearing thirty-one numbers (2), arranged to appear in succession through an aperture (3), said ring carrying thirty-one inner teeth (4) located on a first level (20), a drive wheel (5) for the date ring (1) being arranged to complete one revolution in twenty-four hours, and a mechanism (10) carried by said wheel (5) and rotate therewith, wherein said mechanism (10) has a first finger (6) arranged to drive a tooth (4) of the date ring (1) through one step, at the end of each day, wherein said mechanism (10) has a second finger (7) arranged to drive the date ring (1) through an additional step at the end of the last day of a month of less than thirty-one days, said second finger (7) being arranged to be activate, for the purpose of said driving, by a toothing (8), located on a second level (21) of the date ring (1), said second finger (7) being connected to said toothing (8) by a suitable kinematic chain (9), including said mechanism (10) including said first (6) and second (7) fingers, a month cam (11) with five projecting portions (30 to 34) to activate said second finger (7) via said mechanism (10) and a month star wheel (12) fixed with said cam (11), said device being characterized in that said suitable kinematic chain (9) further comprises an intermediate transmission wheel (13) arranged to mesh with said star wheel (12), wherein said intermediate wheel (13) being arranged to mesh, at the end of each day, with said toothing (8).
  2. Device according to claim 1, characterized in that the star wheel (12) fixed the cam (11) carries a disc (14) on which are marked the names of the months (15), said names being arranged to appear in succession through an aperture (16).
  3. Device according to claim 1 or 2, characterized in that the mechanism (10), carried by the drive wheel (5) of the date ring (1), includes a first plate (17) fixed to the arbour (18) carried by said wheel (5), the periphery of said plate (17) having a tongue (19) from which said first (6) and second (7) fingers extend, said second finger (7) being arranged at the end of said tongue (19), and a second plate (22) arranged on the first (17) and capable of moving diametrically relative to the drive wheel (5), said second plate (22) having a first catch (23) passing through the first plate (17), in proximity to the back (24) of the second finger (7), then a first oblong aperture (25) made in the drive wheel (5), and a second catch (26) diametrically opposite the first catch (23), said second catch (26) passing through the first plate (17) in proximity to the back (27) of said tongue (19), then a second oblong aperture (28) made in the drive wheel (5), said second plate (22) finally having a heel (29) diametrically opposite the first catch (23) and the second finger (7), said heel (29) being located in the trajectory of the projecting portions (30 to 34) of the cam (11) and being arranged to cause the second finger (7) to enter the trajectory of the teeth (4) of the date ring (1), when said heel (29) is pushed by a projecting portion (30) of the cam (11).
  4. Device according to claim 2, characterized in that it includes a first jumper spring (40) able to act on the inner teeth (4) of the date ring (1) and a second jumper spring (42) able to act on the teeth of the month star wheel (12).
EP11151879.1A 2011-01-24 2011-01-24 Annual calendar device for timepiece Active EP2479622B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP11151879.1A EP2479622B1 (en) 2011-01-24 2011-01-24 Annual calendar device for timepiece
US13/348,812 US8605553B2 (en) 2011-01-24 2012-01-12 Annual calendar device for a timepiece
CN201210019882.7A CN102608902B (en) 2011-01-24 2012-01-20 Annual calendar device for a timepiece
JP2012011712A JP5592415B2 (en) 2011-01-24 2012-01-24 Annual calendar device for watches
HK13100955.8A HK1174104A1 (en) 2011-01-24 2013-01-22 Annual calendar device for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11151879.1A EP2479622B1 (en) 2011-01-24 2011-01-24 Annual calendar device for timepiece

Publications (2)

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EP2479622A1 EP2479622A1 (en) 2012-07-25
EP2479622B1 true EP2479622B1 (en) 2013-11-20

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EP11151879.1A Active EP2479622B1 (en) 2011-01-24 2011-01-24 Annual calendar device for timepiece

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US (1) US8605553B2 (en)
EP (1) EP2479622B1 (en)
JP (1) JP5592415B2 (en)
CN (1) CN102608902B (en)
HK (1) HK1174104A1 (en)

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Publication number Priority date Publication date Assignee Title
JP6091942B2 (en) * 2012-08-01 2017-03-08 セイコーインスツル株式会社 CALENDAR MECHANISM, MOVEMENT AND CALENDAR WATCH HAVING THE MECHANISM
JP6344739B2 (en) * 2014-09-11 2018-06-20 セイコーインスツル株式会社 Auto-calendar mechanism, movement and watch
CH711049A1 (en) 2015-05-08 2016-11-15 Bucherer Ag Year calendar for mechanical watches.
CH711224B1 (en) * 2015-06-17 2019-11-29 Bucherer Ag Display unit for a mechanical date display device of a mechanical watch.
EP3173878B1 (en) * 2015-11-26 2021-05-26 Rolex Sa Timepiece calendar system
EP3173877B1 (en) 2015-11-26 2019-10-16 Rolex Sa Timepiece calendar system
EP3499317B1 (en) * 2017-12-13 2024-08-21 Rolex Sa Timepiece calendar mobile
DE102019120272B3 (en) * 2019-07-26 2020-06-18 Lange Uhren Gmbh Watch with a first display and a second display
CH716983A1 (en) 2019-12-20 2021-06-30 Mft Dhorlogerie Audemars Piguet Sa Watch mechanism intended to be driven in a variable number of steps.
EP4312087A1 (en) 2022-07-25 2024-01-31 Patek Philippe SA Genève Annual calendar mechanism for timepiece movement

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Publication number Priority date Publication date Assignee Title
US3673789A (en) * 1970-06-13 1972-07-04 Citizen Watch Co Ltd Calendar timepiece with month advancement mechanism for 29,30,or 31 day months
CH684815B5 (en) * 1993-07-15 1995-07-14 Longines Montres Comp D Mechanism annual calendar timepiece.
CH688706B5 (en) * 1995-07-28 1998-07-31 Longines Montres Comp D Annual calendar mechanism for a timepiece.
US6108278A (en) * 1998-09-11 2000-08-22 Frederic Piguet S.A. Annual calendar mechanism for clockwork movement
JP3680802B2 (en) * 2002-02-28 2005-08-10 セイコーエプソン株式会社 Electronic clock
JP4546170B2 (en) * 2004-06-30 2010-09-15 セイコーインスツル株式会社 Display date mechanism and clock with date display mechanism
EP1666991B1 (en) 2004-12-02 2011-06-01 ETA SA Manufacture Horlogère Suisse Annual calendar mechanism for a timepiece
ATE528699T1 (en) * 2005-11-11 2011-10-15 Omega Sa ANNUAL CALENDAR MECHANISM FOR CLOCK MOVEMENT
JP5181133B2 (en) * 2008-11-28 2013-04-10 セイコーインスツル株式会社 A clock with a calendar mechanism equipped with a month wheel and a date wheel

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US8605553B2 (en) 2013-12-10
JP5592415B2 (en) 2014-09-17
JP2012154926A (en) 2012-08-16
HK1174104A1 (en) 2013-05-31
CN102608902B (en) 2014-10-15
US20120188852A1 (en) 2012-07-26
CN102608902A (en) 2012-07-25
EP2479622A1 (en) 2012-07-25

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