EP2177958B1 - Large date calendar mechanism for timepiece - Google Patents

Large date calendar mechanism for timepiece Download PDF

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Publication number
EP2177958B1
EP2177958B1 EP20080166699 EP08166699A EP2177958B1 EP 2177958 B1 EP2177958 B1 EP 2177958B1 EP 20080166699 EP20080166699 EP 20080166699 EP 08166699 A EP08166699 A EP 08166699A EP 2177958 B1 EP2177958 B1 EP 2177958B1
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EP
European Patent Office
Prior art keywords
disc
sector
numerals
discs
calendar day
Prior art date
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Application number
EP20080166699
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German (de)
French (fr)
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EP2177958A1 (en
Inventor
Vincent Calabrese
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.)
Blancpain SA
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Blancpain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to EP20080166699 priority Critical patent/EP2177958B1/en
Priority to SG200905279-6A priority patent/SG159457A1/en
Priority to US12/536,906 priority patent/US7859950B2/en
Priority to JP2009186434A priority patent/JP5175816B2/en
Priority to CN2009101654806A priority patent/CN101676820B/en
Publication of EP2177958A1 publication Critical patent/EP2177958A1/en
Priority to HK10108709.3A priority patent/HK1142417A1/en
Application granted granted Critical
Publication of EP2177958B1 publication Critical patent/EP2177958B1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a date mechanism for a timepiece comprising superposed indicators on each of which is affixed part of the digits of the days of the month, these figures appearing in turn through a large window pierced in the dial that includes the timepiece,
  • the document CH 125522 discloses a date display device having three disks bearing numbers.
  • the present invention proposes another advantageous solution for achieving a date display through a large window.
  • This new solution uses a set of very simple constituents and allows a large display, the date digits are divided into three indicators instead of two only.
  • the present invention relates to a date mechanism date of high date in accordance with claim 1 of the patent.
  • the figure 1 is a view of a timepiece where appears the date of 8 large at noon and through a large window 20 pierced in a dial 21. Under the dial 21 is mounted the date mechanism object of this description.
  • the figure 2 is an exploded perspective view of the date mechanism according to a first embodiment of the present invention.
  • This date mechanism with a large date includes indicators superimposed on each of which is affixed part of the digits of the days of the month to present together all the thirty-one days of the month. These figures appear in turn through a large window 20 pierced in a dial 21 as shown in FIG. figure 1 .
  • the indicators consist of an upper disk 1, an intermediate disk 2 and a lower disk 3.
  • the upper disk 1 is divided into eleven sectors, ten of which are occupied by numbers 4 ranging from 1 to 10 and one by a window 5 through which the digits 6 of the intermediate disk 2 can be seen.
  • the intermediate disk 2 is also divided into eleven sectors, ten of which are occupied by numerals 6 ranging from 11 to 20 and one through a window 7 through which the digits 8 of the lower disk 3 can be seen.
  • the lower disk 3 is also divided into eleven sectors all occupied by these numbers 8 ranging from 21 to 31.
  • each of the disks 1, 2 and 3 is driven by a barrel referenced respectively by 9, 10 and 11.
  • Each barrel 9, 10 and 11 is integral with a star bearing the references 12, 13 and 14.
  • the barrels 9, 10 and 11 are freely fitted into each other.
  • the figure 2 shows finally that a control mobile 15, described in detail below, is arranged to mesh selectively with the stars 12, 13 and 14 fitted to the discs 1, 2 and 3. This meshing is made to drive the disc 1 while the other two disks 2 and 3 remain at rest, then drive the intermediate disk 2 when the upper disk 1 has passed all its digits 4, the upper disks 1 and lower 3 remaining at rest and finally to drive the lower disk 3 when the intermediate disk 2 has passed all its numbers, the upper disks 1 and intermediate 2 remaining at rest.
  • a control mobile 15 described in detail below
  • control wheel 15 is provided with a date wheel 16 progressing one step per day, carrying thirty-one teeth and controlled by a mechanism known per se and not shown in the drawing.
  • control wheel 15 comprises, coaxially fixed on the date wheel 16, arranged coaxially on each other and angularly offset with respect to each other of the upper tooth sectors 17, intermediate 18 and lower 19. These toothed sectors are arranged to mesh selectively with the stars 14, 13 and 12 equipping the lower discs 3, intermediate 2 and upper 1.
  • the upper toothed sectors 17, intermediate 18 and lower 19 each comprise eleven teeth, the teeth of the lower sector 19 being numbered from 1 to 11, those of the intermediate sector 18 from 11 to 21 and those of the upper sector 17 from 21 to 31.
  • the finger of the interest of such a construction that offers identical parts to produce, namely three toothed sectors of the same bill.
  • FIG. 5 We have shown in figure 5 the three toothed sectors seen in plan and in vertical projection. It is a wheel 22 having three levels.
  • the tooth 11 of the lower sector 19 overlaps the tooth 11 of the intermediate sector 18 to show in the large window 20 the window 5 of the upper disk 1 and the date number 11 affixed to the intermediate disk 2.
  • the tooth 21 of the intermediate sector 18 overlaps the tooth 21 of the upper sector 17 to show in the large window 20 the window 7 of the intermediate disk 2 and the date number 21 affixed to the lower disk 3. This change from date 20 to date 21 will be examined more low with reference to figures 6 and 7 .
  • the tooth 31 of the upper sector 17 adjoins the tooth 1 of the lower sector 19 to show in the large window 20 the date number 1 affixed to the upper disk 1.
  • FIGs 6a, 6b and 6c show the positioning of the control wheel 15 and the gun stars 12, 13 and 14 on the 20th of the current month.
  • the lower disk 3 linked to the star 14 has the number 31 at the right of the big window 20, figure 31 not visible because hidden by the intermediate disk 2.
  • the upper disk 1 linked to the star 12 has its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window.
  • the intermediate disk 2 connected to the star 13 has the number 20 to the right of the large window 20, this figure 20 being visible through the window 5 of the upper disk 1.
  • control wheel 15 progresses one step in the direction indicated by the arrow A, which has the effect of advancing, by one step in the direction of the arrow B, the star 14 connected to the lower disk 3 and the star 13 linked to the intermediate disk 2.
  • the star 12 linked to the upper disk 1 is not driven by the mobile 15, the sector gear 19 likely to do this drive being diametrically opposed to the star 12.
  • Figures 7a, 7b and 7c show the positioning of the control wheel 15 and the gun stars 12, 13 and 14.
  • the lower disc 3 linked to the star 14 has the number 21 to the right of the large window 20.
  • the upper disk 1 linked to the star 12 has as before its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window.
  • the intermediate disc 2 linked to the star 13 has its window 7 (symbolized by the numeral 0 in the figure) to the right of the large window 20.
  • the 21st of the month the date is displayed by the lower disc 3 visible through windows 5 and 7 that have the disks 1 and 2 respectively.
  • the large window 20 referred to above is that pierced in the dial 21 of the timepiece shown in FIG. figure 1 .
  • the big ticket office 20 is located on a line connecting the center of the control wheel 15 and the center of the stars 12, 13 and 14 and the meshing point of the teeth of said mobile and said stars.
  • the present invention proposes a second embodiment consisting of a blocking system for gun stars, this blocking system requiring only very little energy and moreover it has a safety increased compared to that developed by conventional jumpers.
  • This second embodiment will now be described with reference to figures 8 , 9 and 10 .
  • control mobile 15 cooperating selectively with the gun stars 12, 13 and 14, the latter respectively driving the date discs 1, 2 and 3 not shown in the drawing.
  • the control mobile 15 causes a locking wheel 40, the latter being arranged to prevent any accidental progressions disks 1, 2 and 3 compelled to rest.
  • control wheel 15 comprises a first wheel 47 located under the date wheel 16, not visible on the figure 8 , but apparent on the figures 9 and 10 .
  • This first wheel 47 is engaged with a return 48 which in turn meshes with a second wheel 49 integral with the locking wheel 40.
  • the gear ratio is chosen such that the locking wheel 40 progresses by one step per day like the control wheel 15.
  • the figure 8 shows that the locking wheel 40 comprises, arranged coaxially on each other and angularly offset relative to each other, the upper cylindrical sector 41, intermediate 42 and lower 43.
  • the sidewall 44 of the upper cylindrical sector 41 is arranged to penetrate selectively within the path formed by the tops of the teeth of the star 14 which equips the lower disk 3.
  • the flank 45 of the intermediate cylindrical sector 42 is arranged to selectively penetrate inside the the trajectory formed by the tops of the teeth of the star 13 which equips the intermediate disc 2.
  • the flank 46 of the lower cylindrical sector 43 is arranged to penetrate selectively inside the trajectory formed by the tops of the teeth of the star 12 that equips the upper disk 1.
  • FIGs 9a, 9b and 9c show the situation on the 20th of the current month.
  • the lower disk 3 linked to the star 14 has the number 31 to the right of the large window 20, 31 not visible because hidden by the intermediate disc 2.
  • the cylindrical sector 41 of the locking wheel 40 is positioned so that the star 14 is immobilized (teeth 23 and 24).
  • the upper disk 1 linked to the star 12 presents its window 5 (symbolized by the number 0 in the figure), at the right of the big window.
  • the cylindrical sector 43 is positioned such that the star 12 is immobilized (teeth 3 and 4).
  • the intermediate disc 2 connected to the star 13 has the number 20 to the right of the aperture 20, this number 20 being visible through the window 5 of the upper disc 1.
  • the cylindrical sector 42 is positioned so that the star 13 is free to move.
  • the control wheel 15 progresses one step in the direction of the arrow A and the locking wheel 40 progresses one step in the direction of the arrow E that is not the return 48.
  • the star 14 linked to the lower disk 3 and the star 13 linked to the intermediate disk 2 progress one step in the direction of the arrow B.
  • the star 12 linked to the upper disk 1 is not driven by the mobile 15, the toothed sector 19 may create this advancement being diametrically opposed to the star 12.
  • FIGs 10a, 10b and 10c show the situation on the 21st of the current month.
  • the lower disc 3 connected to the star 14 has the number 21 to the right of the large window 20.
  • the cylindrical sector 41 has cleared the star 14 allowing him to continue his race until on the 31st of the month.
  • the upper disk 1 linked to the star 12 has as before its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window.
  • the star 12 is still locked, the flank 46 of the cylindrical sector 43 intersecting the trajectory of the teeth 3 and 4 of the star 12.
  • the intermediate disk 2 linked to the star 13 has its window 7 (symbolized by the numeral 0 in the figure) to the right of the large window 20.
  • the star 13 begins to be blocked by the cylindrical sector 42 rotating counterclockwise .
  • the date is displayed by the lower disc 3 visible through the windows 5 and 7 which present the discs 1 and 2 respectively.

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

Description

La présente invention est relative à un mécanisme de quantième pour pièce d'horlogerie comprenant des indicateurs superposés sur chacun desquels est apposée une partie des chiffres des jours du mois, ces chiffres apparaissant à tour de rôle au travers d'un grand guichet percé dans le cadran que comporte la pièce d'horlogerie,The present invention relates to a date mechanism for a timepiece comprising superposed indicators on each of which is affixed part of the digits of the days of the month, these figures appearing in turn through a large window pierced in the dial that includes the timepiece,

De tels mécanismes ont déjà été proposés par exemple dans le document CH 660 941 , Dans ce document sont prévus deux anneaux d'affichage superposés chacun possédant une partie des chiffres du quantième. L'anneau supérieur présente une fenêtre à travers laquelle les chiffres de l'anneau inférieur peuvent être vus si cette fenêtre se situe à l'endroit de l'affichage matérialisé par un guichet percé dans le cadran de la pièce d'horlogerie. Le système prévoit des moyens d'entraînement sélectifs pour entraîner l'un des anneaux tandis que l'autre reste au repos. Des moyens d'entraînement supplémentaires assurent l'avance de l'anneau en repos prolongé, lorsque l'autre anneau a fait passer tous ses chiffres. Ensuite, c'est l'autre anneau qui vient en repos prolongé jusqu'à ce que des moyens d'entraînement à butée fassent avancer les deux anneaux.Such mechanisms have already been proposed for example in the document CH 660 941 In this document are provided two superimposed display rings each having a part of the date digits. The upper ring has a window through which the figures of the lower ring can be seen if this window is at the location of the display materialized by a window pierced in the dial of the timepiece. The system provides selective drive means for driving one of the rings while the other remains at rest. Additional drive means ensure the advance of the ring in extended rest, when the other ring has passed all its numbers. Then, it is the other ring which comes to rest prolonged until means of drive to stop advance the two rings.

Le document CH 125522 divulgue un dispositif d'affichage du quantième comportant trois disques portant des chiffres.The document CH 125522 discloses a date display device having three disks bearing numbers.

La présente invention propose une autre solution avantageuse pour parvenir à un affichage du quantième au travers d'un grand guichet. Cette nouvelle solution fait appel à un ensemble de constituants très simples et permet un affichage à grandes dimensions, les chiffres du quantième étant répartis sur trois indicateurs au lieu de deux seulement.The present invention proposes another advantageous solution for achieving a date display through a large window. This new solution uses a set of very simple constituents and allows a large display, the date digits are divided into three indicators instead of two only.

Ainsi, la présente invention a pour objet un mécanisme de quantième à grande date conforme à la revendication 1 du brevet.Thus, the present invention relates to a date mechanism date of high date in accordance with claim 1 of the patent.

L'invention va être expliquée maintenant en détail ci-dessous au moyen des dessins illustrant deux modes de réalisation donnés à titre d'exemples non limitatifs, dessins dans lesquels :

  • la figure 1 est une vue en plan d'une pièce d'horlogerie dans laquelle est monté le mécanisme de quantième de la présente invention,
  • la figure 2 est une vue en perspective éclatée du mécanisme de quantième exécuté selon le premier mode de réalisation de la présente invention,
  • la figure 3 est une vue en perspective éclatée d'une partie du mécanisme montrée en figure 2,
  • la figure 4 est une vue en perspective montrant l'engrènement du mobile de commande avec les étoiles à canon supportant les disques d'affichage selon l'invention,
  • la figure 5 est une projection verticale des trois secteurs dentés du mobile de commande,
  • les figures 6a, 6b et 6c montrent le positionnement du mobile de commande et des étoiles à canon supportant les disques d'affichage le 20 du mois,
  • les figures 7a, 7b et 7c montrent le positionnement du mobile de commande et les étoiles à canon supportant les disques d'affichage le 21 du mois,
  • la figure 8 est une vue en perspective du mécanisme de quantième selon le second mode d'exécution de la présente invention, mode dans lequel un dispositif de sécurité a été rajouté au mécanisme de base,
  • les figures 9a, 9b et 9c montrent le positionnement du mobile de commande, des étoiles à canon supportant les disques d'affichage et du dispositif de sécurité le 20 du mois, et
  • les figures 10a, 10b et 10c montrent le positionnement du mobile de commande, des étoiles à canon supportant les disques d'affichage et du dispositif de sécurité le 21 du mois.
The invention will now be explained in detail below by means of the drawings illustrating two embodiments given by way of non-limiting example, drawings in which:
  • the figure 1 is a plan view of a timepiece in which is mounted the date mechanism of the present invention,
  • the figure 2 is an exploded perspective view of the date mechanism executed according to the first embodiment of the present invention,
  • the figure 3 is an exploded perspective view of a portion of the mechanism shown in figure 2 ,
  • the figure 4 is a perspective view showing the meshing of the control wheel with the gun stars supporting the display disks according to the invention,
  • the figure 5 is a vertical projection of the three toothed sectors of the control wheel,
  • the Figures 6a, 6b and 6c show the positioning of the control wheel and the gun stars supporting the display disks on the 20th of the month,
  • the Figures 7a, 7b and 7c show the positioning of the control wheel and the gun stars supporting the display disks on the 21st of the month,
  • the figure 8 is a perspective view of the date mechanism according to the second embodiment of the present invention, in which mode a safety device has been added to the basic mechanism,
  • the Figures 9a, 9b and 9c show the positioning of the control wheel, the gun stars supporting the display disks and the safety device on the 20th of the month, and
  • the Figures 10a, 10b and 10c show the positioning of the control wheel, the gun stars supporting the display disks and the security device on the 21st of the month.

La figure 1 est une vue d'une pièce d'horlogerie où apparaît le quantième 8 de grande dimension à midi et au travers d'un grand guichet 20 percé dans un cadran 21. Sous le cadran 21 est monté le mécanisme de quantième objet de cette description.The figure 1 is a view of a timepiece where appears the date of 8 large at noon and through a large window 20 pierced in a dial 21. Under the dial 21 is mounted the date mechanism object of this description.

La figure 2 est une vue en perspective éclatée du mécanisme de quantième selon un premier mode de réalisation de la présente invention. Ce mécanisme de quantième à grande date comprend des indicateurs superposés sur chacun desquels est apposée une partie des chiffres des jours du mois pour présenter ensemble la totalité des trente et un jours du mois. Ces chiffres apparaissent à tour de rôle au travers d'un grand guichet 20 percé dans un cadran 21 comme cela est montré en figure 1.The figure 2 is an exploded perspective view of the date mechanism according to a first embodiment of the present invention. This date mechanism with a large date includes indicators superimposed on each of which is affixed part of the digits of the days of the month to present together all the thirty-one days of the month. These figures appear in turn through a large window 20 pierced in a dial 21 as shown in FIG. figure 1 .

L'invention est remarquable en ce que les indicateurs sont constitués d'un disque supérieur 1, d'un disque intermédiaire 2 et d'un disque inférieur 3. Comme cela est bien visible sur la figure 2, le disque supérieur 1 est divisé en onze secteurs dont dix sont occupés par des chiffres 4 allant de 1 à 10 et un par une fenêtre 5 à travers laquelle les chiffres 6 du disque intermédiaire 2 peuvent être vus. Le disque intermédiaire 2 est aussi divisé en onze secteurs dont dix sont occupés par des chiffres 6 allant de 11 à 20 et un par une fenêtre 7 à travers laquelle les chiffres 8 du disque inférieur 3 peuvent être vus. Enfin, le disque inférieur 3 est également divisé en onze secteurs tous occupés ceux-ci par des chiffres 8 allant de 21 à 31.The invention is remarkable in that the indicators consist of an upper disk 1, an intermediate disk 2 and a lower disk 3. As is clearly visible on the figure 2 , the upper disk 1 is divided into eleven sectors, ten of which are occupied by numbers 4 ranging from 1 to 10 and one by a window 5 through which the digits 6 of the intermediate disk 2 can be seen. The intermediate disk 2 is also divided into eleven sectors, ten of which are occupied by numerals 6 ranging from 11 to 20 and one through a window 7 through which the digits 8 of the lower disk 3 can be seen. Finally, the lower disk 3 is also divided into eleven sectors all occupied by these numbers 8 ranging from 21 to 31.

La figure 2 montre encore que chacun des disques 1, 2 et 3 est entraîné par un canon référencé respectivement par 9, 10 et 11. Chaque canon 9, 10 et 11 est solidaire d'une étoile portant les références 12, 13 et 14. Comme le montrent encore mieux les figures 3 et 4, les canons 9, 10 et 11 sont emmanchés librement les uns dans les autres.The figure 2 shows again that each of the disks 1, 2 and 3 is driven by a barrel referenced respectively by 9, 10 and 11. Each barrel 9, 10 and 11 is integral with a star bearing the references 12, 13 and 14. As shown even better figures 3 and 4 , the barrels 9, 10 and 11 are freely fitted into each other.

On notera ici que l'entraînement du disque 1 par le canon 9 est réalisé par des fraisages 30 disposés de part et d'autre du canon 9, ces fraisages 30 recevant des plats pratiqués dans un perçage 31 situé au centre du disque 1. Il en est de même pour les canons 10 et 11 qui sont pourvus respectivement de fraisages 32 et 33 adaptés à des plats pratiqués dans les perçages centraux 34 et 35 des disques 2 et 3.It will be noted here that the drive of the disc 1 by the barrel 9 is performed by milling 30 disposed on either side of the barrel 9, these milling 30 receiving dishes made in a bore 31 located in the center of the disc 1. It the same applies to the guns 10 and 11 which are provided respectively with millings 32 and 33 adapted to the plates made in the central bores 34 and 35 of the discs 2 and 3.

La figure 2 montre enfin qu'un mobile de commande 15, décrit en détail plus loin, est arrangé pour engrèner de manière sélective avec les étoiles 12, 13 et 14 équipant les disques 1, 2 et 3. Cet engrènement est réalisé de façon à entraîner le disque supérieur 1 tandis que les deux autres disques 2 et 3 restent au repos, puis à entraîner le disque intermédiaire 2 quand le disque supérieur 1 a fait passer tous ses chiffres 4, les disques supérieur 1 et inférieur 3 restant au repos et enfin à entraîner le disque inférieur 3 quand le disque intermédiaire 2 a fait passer tous ses chiffres, les disques supérieur 1 et intermédiaire 2 restant au repos.The figure 2 shows finally that a control mobile 15, described in detail below, is arranged to mesh selectively with the stars 12, 13 and 14 fitted to the discs 1, 2 and 3. This meshing is made to drive the disc 1 while the other two disks 2 and 3 remain at rest, then drive the intermediate disk 2 when the upper disk 1 has passed all its digits 4, the upper disks 1 and lower 3 remaining at rest and finally to drive the lower disk 3 when the intermediate disk 2 has passed all its numbers, the upper disks 1 and intermediate 2 remaining at rest.

On signalera que le mobile de commande 15 est muni d'une roue de quantième 16 progressant d'un pas par jour, portant trente et une dents et commandée par un mécanisme connu en soi et qui n'est pas représenté au dessin.Note that the control wheel 15 is provided with a date wheel 16 progressing one step per day, carrying thirty-one teeth and controlled by a mechanism known per se and not shown in the drawing.

Comme on le voit particulièrement bien sur les figures 2, 3 et 4, le mobile de commande 15 comporte, fixés coaxialement sur la roue de quantième 16, disposés coaxialement les uns sur les autres et décalés angulairement les uns par rapport aux autres des secteurs dentés supérieur 17, intermédiaire 18 et inférieur 19. Ces secteurs dentés sont arrangés pour engrèner de manière sélective avec les étoiles 14, 13 et 12 équipant les disques inférieur 3, intermédiaire 2 et supérieur 1.As we see particularly well on figures 2 , 3 and 4 , the control wheel 15 comprises, coaxially fixed on the date wheel 16, arranged coaxially on each other and angularly offset with respect to each other of the upper tooth sectors 17, intermediate 18 and lower 19. These toothed sectors are arranged to mesh selectively with the stars 14, 13 and 12 equipping the lower discs 3, intermediate 2 and upper 1.

Plus précisément, les secteurs dentés supérieur 17, intermédiaire 18 et inférieur 19 comportent chacun onze dents, les dents du secteur inférieur 19 étant numérotées de 1 à 11, celles du secteur intermédiaire 18 de 11 à 21 et celles du secteur supérieur 17 de 21 à 31. On touche ici du doigt l'intérêt d'une telle construction qui propose des pièces identiques à produire, savoir trois secteurs dentés de même facture.More specifically, the upper toothed sectors 17, intermediate 18 and lower 19 each comprise eleven teeth, the teeth of the lower sector 19 being numbered from 1 to 11, those of the intermediate sector 18 from 11 to 21 and those of the upper sector 17 from 21 to 31. We touch here the finger of the interest of such a construction that offers identical parts to produce, namely three toothed sectors of the same bill.

On a représenté en figure 5 les trois secteurs dentés vus en plan et en projection verticale. C'est une roue 22 présentant trois niveaux. La dent 11 du secteur inférieur 19 chevauche la dent 11 du secteur intermédiaire 18 pour faire apparaître dans le grand guichet 20 la fenêtre 5 du disque supérieur 1 et le chiffre de quantième 11 apposé sur le disque intermédiaire 2. Plus loin, la dent 21 du secteur intermédiaire 18 chevauche la dent 21 du secteur supérieur 17 pour faire apparaître dans le grand guichet 20 la fenêtre 7 du disque intermédiaire 2 et le chiffre de quantième 21 apposé sur le disque inférieur 3. Ce passage du quantième 20 au quantième 21 sera examiné plus bas en référence aux figures 6 et 7. Enfin la dent 31 du secteur supérieur 17 jouxte la dent 1 du secteur inférieur 19 pour faire apparaître dans le grand guichet 20 le chiffre de quantième 1 apposé sur le disque supérieur 1.We have shown in figure 5 the three toothed sectors seen in plan and in vertical projection. It is a wheel 22 having three levels. The tooth 11 of the lower sector 19 overlaps the tooth 11 of the intermediate sector 18 to show in the large window 20 the window 5 of the upper disk 1 and the date number 11 affixed to the intermediate disk 2. Further, the tooth 21 of the intermediate sector 18 overlaps the tooth 21 of the upper sector 17 to show in the large window 20 the window 7 of the intermediate disk 2 and the date number 21 affixed to the lower disk 3. This change from date 20 to date 21 will be examined more low with reference to figures 6 and 7 . Finally the tooth 31 of the upper sector 17 adjoins the tooth 1 of the lower sector 19 to show in the large window 20 the date number 1 affixed to the upper disk 1.

Les figures 6a, 6b et 6c montrent le positionnement du mobile de commande 15 et des étoiles à canon 12, 13 et 14 le 20 du mois courant. En figure 6a, le disque inférieur 3 lié à l'étoile 14 présente le chiffre 31 au droit du grand guichet 20, chiffre 31 non visible car caché par le disque intermédiaire 2. En figure 6b, le disque supérieur 1 lié à l'étoile 12 présente sa fenêtre 5 (symbolisé par le chiffre 0 sur la figure) au droit du grand guichet. En figure 6c, le disque intermédiaire 2 lié à l'étoile 13 présente le chiffre 20 au droit du grand guichet 20, ce chiffre 20 étant visible à travers la fenêtre 5 du disque supérieur 1.The Figures 6a, 6b and 6c show the positioning of the control wheel 15 and the gun stars 12, 13 and 14 on the 20th of the current month. In figure 6a , the lower disk 3 linked to the star 14 has the number 31 at the right of the big window 20, figure 31 not visible because hidden by the intermediate disk 2. figure 6b , the upper disk 1 linked to the star 12 has its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window. In Figure 6c , the intermediate disk 2 connected to the star 13 has the number 20 to the right of the large window 20, this figure 20 being visible through the window 5 of the upper disk 1.

Le 20 du mois à minuit, le mobile de commande 15 progresse d'un pas dans le sens indiqué par la flèche A ce qui a pour conséquence de faire progresser d'un pas dans le sens de la flèche B l'étoile 14 liée au disque inférieur 3 et l'étoile 13 liée au disque intermédiaire 2. L'étoile 12 liée au disque supérieur 1 n'est pas entraînée par le mobile 15, le secteur denté 19 susceptible de faire cet entraînement se trouvant diamétralement opposé à l'étoile 12.On the 20th of the month at midnight, the control wheel 15 progresses one step in the direction indicated by the arrow A, which has the effect of advancing, by one step in the direction of the arrow B, the star 14 connected to the lower disk 3 and the star 13 linked to the intermediate disk 2. The star 12 linked to the upper disk 1 is not driven by the mobile 15, the sector gear 19 likely to do this drive being diametrically opposed to the star 12.

Ainsi, le 21 du mois courant, les figures 7a, 7b et 7c montrent le positionnement du mobile de commande 15 et des étoiles à canon 12, 13 et 14. En figure 7a, le disque inférieur 3 lié à l'étoile 14 présente le chiffre 21 au droit du grand guichet 20. En figure 7b, le disque supérieur 1 lié à l'étoile 12 présente comme auparavant sa fenêtre 5 (symbolisée par le chiffre 0 sur la figure) au droit du grand guichet. En figure 7c, le disque intermédiaire 2 lié à l'étoile 13 présente sa fenêtre 7 (symbolisée par le chiffre 0 sur la figure) au droit du grand guichet 20. Ainsi le 21 du mois, la date est affichée par le disque inférieur 3 visible au travers des fenêtres 5 et 7 que présentent les disques 1 et 2 respectivement.Thus, on the 21st of the current month, Figures 7a, 7b and 7c show the positioning of the control wheel 15 and the gun stars 12, 13 and 14. figure 7a , the lower disc 3 linked to the star 14 has the number 21 to the right of the large window 20. In figure 7b , the upper disk 1 linked to the star 12 has as before its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window. In Figure 7c , the intermediate disc 2 linked to the star 13 has its window 7 (symbolized by the numeral 0 in the figure) to the right of the large window 20. Thus, the 21st of the month, the date is displayed by the lower disc 3 visible through windows 5 and 7 that have the disks 1 and 2 respectively.

Le grand guichet 20 dont il est question ci-dessus est celui percé dans le cadran 21 de la pièce d'horlogerie montrée en figure 1. Dans les vues schématiques des figures 6 et 7, le grand guichet 20 est situé sur une ligne reliant le centre du mobile de commande 15 et le centre des étoiles 12, 13 et 14 et au point d'engrènement des dents dudit mobile et desdites étoiles.The large window 20 referred to above is that pierced in the dial 21 of the timepiece shown in FIG. figure 1 . In the schematic views of figures 6 and 7 , the big ticket office 20 is located on a line connecting the center of the control wheel 15 and the center of the stars 12, 13 and 14 and the meshing point of the teeth of said mobile and said stars.

Les dessins 2, 3 et 4 montrent que les canons 9, 10 et 11 pourvus chacun d'une étoile 12, 13 et 14 sont emmanchés librement les uns dans les autres. On peut dès lors imaginer qu'un canon entraîné par le mobile de commande entraîne un autre canon qui lui doit rester immobile et cela par simple frottement. On peut aussi craindre des entraînements intempestifs des étoiles à canon sous l'effet de chocs appliqués à la pièce d'horlogerie. De telles anomalies conduiraient à un dérèglement de l'affichage du quantième qui ne pourrait être corrigé que par un horloger obligé à démonter la pièce d'horlogerie. Pour éviter cela on peut équiper chacune des étoiles 12, 13 et 14 d'un sautoir consistant en un ressort terminé par deux plans inclinés qui appuient entre les pointes de deux dents consécutives de l'étoile pour la maintenir en place. Cette solution simple n'est pas représentée sur les figures car elle est à portée de l'homme du métier. L'utilisation de sautoirs présente cependant l'inconvénient de consommer de l'énergie et, partant, de diminuer le temps durant lequel la pièce d'horlogerie est autonome.The drawings 2, 3 and 4 show that the guns 9, 10 and 11 each provided with a star 12, 13 and 14 are freely fitted into each other. One can therefore imagine that a gun driven by the control wheel drives another gun that must remain motionless and that by simple friction. One can also fear the untimely training of the gun stars under the effect of shocks applied to the timepiece. Such anomalies would lead to a disruption of the display of the date that could only be corrected by a watchmaker obliged to dismantle the timepiece. To avoid this we can equip each of the stars 12, 13 and 14 of a jumper consisting of a spring ended by two inclined planes which support between the tips of two consecutive teeth of the star to hold it in place. This simple solution is not shown in the figures because it is within the reach of the skilled person. The use of jumpers, however, has the disadvantage of consuming energy and thereby reduce the time during which the timepiece is autonomous.

Pour éviter les sautoirs indiqués ci-dessus, la présente invention propose un second mode d'exécution consistant en un système de blocage des étoiles à canon, ce système de blocage ne nécessitant que très peu d'énergie en plus qu'il présente une sureté accrue par rapport à celle développée par des sautoirs classiques. Ce second mode d'exécution va être décrit maintenant en référence aux figures 8, 9 et 10.In order to avoid the jumpers indicated above, the present invention proposes a second embodiment consisting of a blocking system for gun stars, this blocking system requiring only very little energy and moreover it has a safety increased compared to that developed by conventional jumpers. This second embodiment will now be described with reference to figures 8 , 9 and 10 .

La figure 8 reprend le mécanisme de quantième décrit en détail ci-dessus. On retrouve le mobile de commande 15 coopérant de manière sélective avec les étoiles à canon 12, 13 et 14, ces dernières entraînant respectivement les disques de quantième 1, 2 et 3 non représentés au dessin. Dans ce second mode d'exécution le mobile de commande 15 entraîne un mobile de blocage 40, ce dernier étant arrangé pour empêcher toutes progressions accidentelles des disques 1, 2 et 3 astreints au repos.The figure 8 resumes the date mechanism described in detail above. There is the control mobile 15 cooperating selectively with the gun stars 12, 13 and 14, the latter respectively driving the date discs 1, 2 and 3 not shown in the drawing. In this second embodiment, the control mobile 15 causes a locking wheel 40, the latter being arranged to prevent any accidental progressions disks 1, 2 and 3 compelled to rest.

Plus particulièrement, le mobile de commande 15 comporte une première roue 47 située sous la roue de quantième 16, non visible sur la figure 8, mais apparente sur les figures 9 et 10. Cette première roue 47 est en prise avec un renvoi 48 qui engrène à son tour avec une seconde roue 49 solidaire du mobile de blocage 40. On notera que le rapport d'engrenage est choisi de telle façon que le mobile de blocage 40 progresse d'un pas par jour comme le mobile de commande 15.More particularly, the control wheel 15 comprises a first wheel 47 located under the date wheel 16, not visible on the figure 8 , but apparent on the figures 9 and 10 . This first wheel 47 is engaged with a return 48 which in turn meshes with a second wheel 49 integral with the locking wheel 40. Note that the gear ratio is chosen such that the locking wheel 40 progresses by one step per day like the control wheel 15.

La figure 8 montre que le mobile de blocage 40 comporte, disposés coaxialement les uns sur les autres et décalés angulairement les uns par rapport aux autres, des secteurs cylindriques supérieur 41, intermédiaire 42 et inférieur 43. Le flanc 44 du secteur cylindrique supérieur 41 est arrangé pour pénétrer de manière sélective à l'intérieur de la trajectoire formée par les sommets des dents de l'étoile 14 qui équipe le disque inférieur 3. De même le flanc 45 du secteur cylindrique intermédiaire 42 est arrangé pour pénétrer de manière sélective à l'intérieur de la trajectoire formée par les sommets des dents de l'étoile 13 qui équipe le disque intermédiaire 2. Enfin le flanc 46 du secteur cylindrique inférieur 43 est arrangé pour pénétrer de manière sélective à l'intérieur de la trajectoire formée par les sommets des dents de l'étoile 12 qui équipe le disque supérieur 1.The figure 8 shows that the locking wheel 40 comprises, arranged coaxially on each other and angularly offset relative to each other, the upper cylindrical sector 41, intermediate 42 and lower 43. The sidewall 44 of the upper cylindrical sector 41 is arranged to penetrate selectively within the path formed by the tops of the teeth of the star 14 which equips the lower disk 3. Similarly, the flank 45 of the intermediate cylindrical sector 42 is arranged to selectively penetrate inside the the trajectory formed by the tops of the teeth of the star 13 which equips the intermediate disc 2. Finally the flank 46 of the lower cylindrical sector 43 is arranged to penetrate selectively inside the trajectory formed by the tops of the teeth of the the star 12 that equips the upper disk 1.

Le passage du quantième 20 au quantième 21 va être examiné maintenant en référence aux figures 9 et 10 qui montrent le positionnement du mobile de commande 15, du mobile de blocage 40 et des étoiles à canon 12, 13 et 14 pour les deux dates.The transition from date 20 to date 21 will now be examined with reference to figures 9 and 10 which show the positioning of the control wheel 15, the locking wheel 40 and the gun stars 12, 13 and 14 for the two dates.

Les figures 9a, 9b et 9c montrent la situation au 20 du mois courant. En figure 9a, le disque inférieur 3 lié à l'étoile 14 présente le chiffre 31 au droit du grand guichet 20, chiffre 31 non visible car caché par le disque intermédiaire 2. Le secteur cylindrique 41 du mobile de blocage 40 est positionné de telle sorte que l'étoile 14 est immobilisée (dents 23 et 24). En figure 9b, le disque supérieur 1 lié à l'étoile 12 présente sa fenêtre 5 (symbolisée par le chiffre 0 sur la figure), au droit du grand guichet. Le secteur cylindrique 43 est positionné de telle sorte que l'étoile 12 est immobilisée (dents 3 et 4). En figure 9c, le disque intermédiaire 2 lié à l'étoile 13 présente le chiffre 20 au droit du grand guichet 20, ce chiffre 20 étant visible à travers la fenêtre 5 du disque supérieur 1. Le secteur cylindrique 42 est positionné de telle sorte que l'étoile 13 est libre de se mouvoir.The Figures 9a, 9b and 9c show the situation on the 20th of the current month. In figure 9a , the lower disk 3 linked to the star 14 has the number 31 to the right of the large window 20, 31 not visible because hidden by the intermediate disc 2. The cylindrical sector 41 of the locking wheel 40 is positioned so that the star 14 is immobilized (teeth 23 and 24). In figure 9b , the upper disk 1 linked to the star 12 presents its window 5 (symbolized by the number 0 in the figure), at the right of the big window. The cylindrical sector 43 is positioned such that the star 12 is immobilized (teeth 3 and 4). In Figure 9c , the intermediate disc 2 connected to the star 13 has the number 20 to the right of the aperture 20, this number 20 being visible through the window 5 of the upper disc 1. The cylindrical sector 42 is positioned so that the star 13 is free to move.

Le 20 du mois à minuit, le mobile de commande 15 progresse d'un pas dans le sens de la flèche A et le mobile de blocage 40 progresse d'un pas dans le sens de la flèche E entraîné qu'il est pas le renvoi 48. L'étoile 14 liée au disque inférieur 3 et l'étoile 13 liée au disque intermédiaire 2 progressent d'un pas dans le sens de la flèche B. L'étoile 12 liée au disque supérieur 1 n'est pas entraînée par le mobile 15, le secteur denté 19 susceptible de créer cet avancement se trouvant diamétralement opposé à l'étoile 12.On the 20th of the month at midnight, the control wheel 15 progresses one step in the direction of the arrow A and the locking wheel 40 progresses one step in the direction of the arrow E that is not the return 48. The star 14 linked to the lower disk 3 and the star 13 linked to the intermediate disk 2 progress one step in the direction of the arrow B. The star 12 linked to the upper disk 1 is not driven by the mobile 15, the toothed sector 19 may create this advancement being diametrically opposed to the star 12.

Les figures 10a, 10b et 10c montrent la situation au 21 du mois courant. En figure 10a, le disque inférieur 3 lié à l'étoile 14 présente le chiffre 21 au droit du grand guichet 20. Ayant tourné dans le sens antihoraire, le secteur cylindrique 41 s'est dégagé de l'étoile 14 lui permettant ainsi de poursuivre sa course jusqu'au 31 du mois. En figure 10b, le disque supérieur 1 lié à l'étoile 12 présente comme auparavant sa fenêtre 5 (symbolisée par le chiffre 0 sur la figure) au droit du grand guichet. L'étoile 12 se trouve toujours bloquée, le flanc 46 du secteur cylindrique 43 coupant la trajectoire des dents 3 et 4 de l'étoile 12. En figure 10c, le disque intermédiaire 2 lié à l'étoile 13 présente sa fenêtre 7 (symbolisée par le chiffre 0 sur la figure) au droit du grand guichet 20. L'étoile 13 commence à être bloquée par le secteur cylindrique 42 tournant dans le sens antihoraire. Ainsi le 21 du mois, la date est affichée par le disque inférieur 3 visible à travers les fenêtres 5 et 7 qui présentent les disques 1 et 2 respectivement.The Figures 10a, 10b and 10c show the situation on the 21st of the current month. In figure 10a , the lower disc 3 connected to the star 14 has the number 21 to the right of the large window 20. Turning counterclockwise, the cylindrical sector 41 has cleared the star 14 allowing him to continue his race until on the 31st of the month. In figure 10b , the upper disk 1 linked to the star 12 has as before its window 5 (symbolized by the numeral 0 in the figure) to the right of the large window. The star 12 is still locked, the flank 46 of the cylindrical sector 43 intersecting the trajectory of the teeth 3 and 4 of the star 12. figure 10c , the intermediate disk 2 linked to the star 13 has its window 7 (symbolized by the numeral 0 in the figure) to the right of the large window 20. The star 13 begins to be blocked by the cylindrical sector 42 rotating counterclockwise . Thus on the 21st of the month, the date is displayed by the lower disc 3 visible through the windows 5 and 7 which present the discs 1 and 2 respectively.

Claims (5)

  1. Large date calendar day mechanism for a timepiece comprising indicators (1, 2, 3) superposed one on top of the other, to which a portion of the numerals (4, 6, 8) of the days of the month is affixed, said numerals being arranged to appear in turn through a large aperture (20) perforated into the dial (21) forming part of the timepiece, the indicators comprising an upper disc (1), an intermediate disc (2) and a lower disc (3), wherein the upper disc (1) is divided into eleven sectors, of which ten are occupied by numerals (4) from 1 to 10 and one is occupied by a window (5), through which the numerals (6) of the intermediate disc (2) can be seen, the intermediate disc (2) is divided into eleven sectors, of which ten are occupied by numerals (6) from 11 to 20 and one is occupied by a window (7), through which the numerals (8) of the lower disc (3) can be seen, and the lower disc (3) is divided into eleven sectors, all of which are occupied by numerals (8) from 21 to 31, each of the discs (1, 2, 3) being driven by a cannon pinion (9, 10, 11) integral to a star wheel (12, 13, 14), wherein these cannon pinions are freely pressed one into the other, and wherein a control wheel set (15) is fitted with a calendar day wheel (16) arranged to advance by one step per day to selectively mesh with the star wheels (12, 13, 14) provided for the discs (1, 2, 3) in order to drive the upper disc (1) while the other two discs (2, 3) remain stationary, to drive the intermediate disc (2) when the upper disc (1) has run through all its numerals (4) while the upper (1) and lower (3) discs remain stationary, and to drive the lower disc (3) when the intermediate disc (2) has run through all its numerals (6) while the upper (1) and intermediate (2) discs remain stationary, the control wheel set (15) being arranged to drive a blocking wheel set (40), which is arranged to prevent any accidental advancing of the discs (1, 2, 3) when they should be stationary.
  2. Calendar day mechanism according to claim 1, characterised in that the control wheel set (15) comprises upper (17), intermediate (18) and lower (19) toothed sectors, which are fixed coaxially on the calendar day wheel (16), arranged coaxially on one another and angularly offset in relation to one another, and which are arranged to selectively and respectively mesh with the star wheels (14, 13, 12) provided for the lower (3), intermediate (2) and upper (1) discs.
  3. Calendar day mechanism according to claim 2, characterised in that the upper (17), intermediate (18) and lower (19) toothed sectors each comprise eleven teeth, wherein the teeth of the lower sector (19) are numbered from 1 to 11, those of the intermediate sector (18) from 11 to 21 and those of the upper sector (17) from 21 to 31, and in vertical projection these sectors form a wheel (22) of thirty one teeth, wherein tooth 11 of the lower sector (19) overlaps tooth 11 of the intermediate sector (18), so that window 5 of the upper disc (1) and the calendar day numeral 11 positioned on the intermediate disc (2) appear in the large aperture (20), wherein tooth 21 of the intermediate sector (18) overlaps tooth 21 of the upper sector (17), so that window 7 of the intermediate disc (2) and the calendar day numeral 21 positioned on the intermediate disc (2) appear in the large aperture (20), and wherein tooth 31 of the upper sector (17) adjoins tooth 1 of the lower sector (19), so that the calendar day numeral 1 positioned on the upper disc (1) appears in the large aperture (20).
  4. Calendar day mechanism according to claim 3, characterised in that the control wheel set (15) comprises a first wheel (47) engaged with a gear (48), which in turn meshes with a second wheel (49) integral to the blocking wheel set (40), the gear ratio being selected so that the blocking wheel set (40) advances one step per day like the control wheel set (15).
  5. Calendar day mechanism according to claim 3, characterised in that the block wheel set (40) comprises upper (41), intermediate (42) and lower (43) cylindrical sectors, which are arranged coaxially on one another and angularly offset in relation to one another, the flanks (44, 45 and 46) of which are arranged to selectively and respectively penetrate inside the trajectories formed by the tips of the teeth of the star wheels (14, 13 and 12) respectively provided for the lower (3), intermediate (2) and upper (1) discs.
EP20080166699 2008-08-11 2008-10-15 Large date calendar mechanism for timepiece Active EP2177958B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20080166699 EP2177958B1 (en) 2008-10-15 2008-10-15 Large date calendar mechanism for timepiece
SG200905279-6A SG159457A1 (en) 2008-08-11 2009-08-06 Large date calendar day mechanism for a timepiece
US12/536,906 US7859950B2 (en) 2008-08-11 2009-08-06 Large date calendar day mechanism for a timepiece
JP2009186434A JP5175816B2 (en) 2008-08-11 2009-08-11 Large date calendar date mechanism for watches
CN2009101654806A CN101676820B (en) 2008-08-11 2009-08-11 Large date calendar day mechanism for a timepiece
HK10108709.3A HK1142417A1 (en) 2008-08-11 2010-09-14 Large date calendar day mechanism for timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080166699 EP2177958B1 (en) 2008-10-15 2008-10-15 Large date calendar mechanism for timepiece

Publications (2)

Publication Number Publication Date
EP2177958A1 EP2177958A1 (en) 2010-04-21
EP2177958B1 true EP2177958B1 (en) 2012-07-18

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EP20080166699 Active EP2177958B1 (en) 2008-08-11 2008-10-15 Large date calendar mechanism for timepiece

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105629699A (en) * 2014-10-21 2016-06-01 何正武 Watch calendar disk capable of identifying solar month with 31 days and solar month with 30 days

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH125522A (en) 1926-08-28 1928-04-16 Kurt Kluge Adjustable calendar.
CH660941GA3 (en) * 1985-06-11 1987-06-30 Fred Murten Bandi Counting and display device with window, especially for wrist watch or other timepiece calendar, with analogue display
DE19539087A1 (en) * 1995-10-20 1997-04-24 Gerolf Dr Richter Wrist watch with two mechanical circular data indication discs and dial face

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