EP1832941B1 - Timepiece - Google Patents

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Publication number
EP1832941B1
EP1832941B1 EP06405103A EP06405103A EP1832941B1 EP 1832941 B1 EP1832941 B1 EP 1832941B1 EP 06405103 A EP06405103 A EP 06405103A EP 06405103 A EP06405103 A EP 06405103A EP 1832941 B1 EP1832941 B1 EP 1832941B1
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EP
European Patent Office
Prior art keywords
mobiles
bearing surface
time
coaxial
annular
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
EP06405103A
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German (de)
French (fr)
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EP1832941A1 (en
Inventor
Patrick Cibien
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.)
Bulgari Horlogerie SA
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Bulgari Horlogerie SA
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Priority to EP06405103A priority Critical patent/EP1832941B1/en
Publication of EP1832941A1 publication Critical patent/EP1832941A1/en
Application granted granted Critical
Publication of EP1832941B1 publication Critical patent/EP1832941B1/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00Mechanical devices for setting the time indicating means
    • G04B27/005Mechanical devices for setting the time indicating means stepwise or on determined values
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00Indicating the time by visual means
    • G04B19/20Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00Indicating the time by visual means
    • G04B19/22Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial

Definitions

  • the present invention relates to a timepiece according to claim 1.
  • the advantage of this invention is to allow to have a display of the auxiliary mobile indicating the time very far from the center and to release the center of the movement, to reduce the height of movement compared to solutions in which any the mechanism for displaying two time zones is concentrated, with that of the main display, at the center of the movement, leading to a superposition of mobiles on the central axis of the movement and an increase in its height. It also makes it possible to change the time by simply pushing buttons on the auxiliary mobile indicating the time, without limitation and without risk of damage, despite the kinematic connection.

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

Description

La présente invention se rapporte à une pièce d'horlogerie comprenant un mobile auxiliaire d'indication de l'heure portant une denture en prise avec un sautoir de positionnement, un mécanisme d'entraînement de ce mobile auxiliaire comportant une liaison cinématique avec les mobiles principaux d'indication des heures et des minutes, pour mettre en prise un élément d'entraînement avec la denture de ce mobile auxiliaire d'indication de l'heure toutes les heures et deux bascules de correction pour déplacer sélectivement par pas d'une heure, l'un desdits mobiles indicateurs de l'heure par rapport à l'autre respectivement dans les deux sens de rotation.The present invention relates to a timepiece comprising an auxiliary mobile time indication bearing a gear engaged with a positioning jumper, a drive mechanism of this auxiliary mobile having a kinematic link with the main mobiles indication of the hours and minutes, for engaging a driving element with the toothing of this auxiliary mobile indicating time hourly and two correction flip-flops for moving selectively in steps of one hour, one of said mobile indicators of the time relative to the other respectively in both directions of rotation.

On a déjà proposé un mécanisme de ce genre, notamment dans le CH 685 965 . Toutefois, dans cette solution, les bascules pour faire déplacer le mobile indicateur de l'heure par sauts successifs correspondant à une heure ne peuvent agir que sur le mobile indicateur principal et non sur le mobile auxiliaire. En outre, l'essentiel du mécanisme pour l'indication des heures de deux fuseaux horaires est concentré au centre du mouvement, de sorte que la superposition de plusieurs mobiles sur un même axe augmente la hauteur du mouvement.A mechanism of this kind has already been proposed, particularly in CH 685 965 . However, in this solution, the flip-flops for moving the mobile time indicator in successive jumps corresponding to one hour can act only on the main indicator mobile and not on the auxiliary mobile. In addition, most of the mechanism for the indication of the hours of two time zones is concentrated in the center of the movement, so that the superposition of several mobiles on the same axis increases the height of the movement.

Un dispositif d'affichage comprenant un mobile auxiliaire d'indication de l'heure qui peut être déplacé par sauts successifs d'une heure est décrit dans le CH 388 855 . Toutefois, dans la solution selon le CH 388 855 , le mobile auxiliaire d'indication de l'heure est coaxial au mobile principal et rendu solidaire de celui-ci par un mécanisme d'encliquetage et non par une chaîne cinématique qui permet une plus grande liberté quant à l'emplacement de l'affichage du mobile auxiliaire d'indication de l'heure. Comme dans la solution précédente, l'essentiel du mécanisme pour l'indication des heures de deux fuseaux horaires est concentré au centre du mouvement et augmente la hauteur de celui-ci.A display device comprising an auxiliary mobile indicating time which can be moved in successive jumps of one hour is described in FIG. CH 388 855 . However, in the solution according to CH 388 855 , the auxiliary mobile time indication is coaxial with the main mobile and secured to it by a latching mechanism and not by a kinematic chain which allows greater freedom as to the location of the display the auxiliary mobile indicating the time. As in the solution previous, the essence of the mechanism for the indication of the hours of two time zones is concentrated in the center of the movement and increases the height of this one.

Le but de la présente invention est de remédier, au moins partiellement, aux inconvénients de l'état de la technique.The object of the present invention is to overcome, at least partially, the disadvantages of the state of the art.

A cet effet, la présente invention a pour objet une pièce d'horlogerie selon la revendication 1.For this purpose, the present invention relates to a timepiece according to claim 1.

L'avantage de cette invention est de permettre d'avoir un affichage du mobile auxiliaire d'indication de l'heure très éloigné du centre et de libérer le centre du mouvement, permettant de réduire la hauteur du mouvement par rapport aux solutions dans lesquelles tout le mécanisme pour l'affichage de deux fuseaux horaires est concentré, avec celui de l'affichage principal, au centre du mouvement, conduisant à une superposition de mobiles sur l'axe central du mouvement et à une augmentation de sa hauteur. Elle permet aussi d'effectuer le changement d'heure par simple boutons-poussoirs sur le mobile auxiliaire d'indication de l'heure, sans limitation et sans risque d'endommagement, malgré la liaison cinématique.The advantage of this invention is to allow to have a display of the auxiliary mobile indicating the time very far from the center and to release the center of the movement, to reduce the height of movement compared to solutions in which any the mechanism for displaying two time zones is concentrated, with that of the main display, at the center of the movement, leading to a superposition of mobiles on the central axis of the movement and an increase in its height. It also makes it possible to change the time by simply pushing buttons on the auxiliary mobile indicating the time, without limitation and without risk of damage, despite the kinematic connection.

Les dessins annexés illustrent, schématiquement et à titre d'exemple, une forme d'exécution de la pièce d'horlogerie objet de présente invention.

  • La figure 1 est une vue en plan côté cadran de la pièce d'horlogerie;
  • la figure 2 est une vue en coupe selon la coupe II-II de la figure 1.
The accompanying drawings illustrate, schematically and by way of example, an embodiment of the timepiece object of the present invention.
  • The figure 1 is a dial side plan view of the timepiece;
  • the figure 2 is a sectional view along section II-II of the figure 1 .

Les figures des dessins ne représentent que les parties de la pièce d'horlogerie relatives au mobile auxiliaire d'indication de l'heure étant donné que l'affichage principal des heures et des minutes ne subit aucun changement par rapport à l'affichage principal d'une pièce d'horlogerie, que cet affichage soit un affichage classique par aiguilles tournant constamment dans le même sens, ou un affichage de type rétrograde.The figures of the drawings represent only the parts of the timepiece relating to the mobile timekeeping device since the main display of the hours and minutes does not undergo any change with respect to the main display of the timepiece. 'a timepiece, that this display either a conventional display by needles rotating constantly in the same direction, or a retrograde type display.

Au centre du mouvement se trouve, comme habituellement, une chaussée 1, lanternée sur l'arbre de la roue de centre (non représenté). Le pignon de cette chaussée 1 est en liaison cinématique, comme habituellement, avec la roue à canon 2 pivotée librement sur la chaussée 1, par une roue de minuterie (non représentée) qui assure un rapport de vitesse angulaire de 1/12 entre la chaussée 1 et la roue à canon 2, de manière que la chaussée 1 exécute une rotation en une heure et la roue à canon 2, une rotation en 12 heures.In the center of the movement is, as usual, a roadway 1, lanterned on the shaft of the center wheel (not shown). The pinion of this roadway 1 is in kinematic connection, as usual, with the cannon wheel 2 freely rotated on the roadway 1, by a timer wheel (not shown) which provides an angular speed ratio of 1/12 between the roadway 1 and the barrel wheel 2, so that the pavement 1 rotates in one hour and the barrel wheel 2, a rotation in 12 hours.

La roue à canon engrène avec un train d'engrenages comprenant un renvoi 3, un mobile démultiplicateur 4 et un mobile 5, solidaire d'un doigt d'entraînement 5a. Le rapport entre la roue à canon 2 et le mobile d'entraînement 5 est deux fois l'inverse du rapport précédent soit 24/1, de manière que le doigt d'entraînement 5a exécute un tour par heure. A chaque rotation, le doigt d'entraînement 5a rencontre une dent de la denture 6a d'un mobile auxiliaire d'indication des heures 7.The barrel wheel meshes with a gear train comprising a gear 3, a reduction gear 4 and a movable 5, integral with a drive finger 5a. The ratio between the barrel wheel 2 and the driving wheel 5 is twice the inverse of the previous ratio, ie 24/1, so that the driving finger 5a executes one revolution per hour. At each rotation, the driving finger 5a encounters a tooth of the toothing 6a of an auxiliary mobile indicating the hours 7.

Si l'on se réfère plus spécialement à la vue en coupe de la figure 2, on constate que le mobile auxiliaire d'indication des heures 7 comporte deux mobiles en forme d'anneaux plats co-axiaux dentés superposés, un anneau inférieur 6 muni d'une denture interne 6a de 24 dents et un anneau supérieur 8, dont la face supérieure porte les indications des heures de 1 à 24. La partie externe de l'anneau supérieur 8 présente un talon annulaire plus épais dans la face interne duquel une portée annulaire est ménagée pour former un siège annulaire 8b pour recevoir le bord externe de l'anneau inférieur 6. Des vis 9 constituant des moyens de butée amovibles, sont vissées dans la face inférieure du talon annulaire de l'anneau supérieur 8. Leurs têtes débordent de part et d'autre du talon annulaire de l'anneau supérieur 8, d'une part sous le bord externe de l'anneau inférieur 6 et d'autre part, sous une portée annulaire 10a du bâti 10. Les dimensions respectives sont choisies pour que lorsque la vis 9 appuie contre la face inférieure du talon annulaire de l'anneau supérieur 8, le disque inférieur 6 reste libre de tourner dans la portée annulaire 8b. L'anneau supérieur 8 présente encore une portée annulaire externe 8c qui fait pendant aux portions des têtes de vis 9 qui appuient sur la portée annulaire 10a. Cette portée annulaire appuie sur une portée 10b, en sorte que les deux portées 10a, 10b sont prise en sandwich entre les vis 9 et la portée annulaire, tout en autorisant la rotation de l'anneau 8 par rapport au bâti 10.If we refer more specifically to the sectional view of the figure 2 it can be seen that the auxiliary mobile hours indication 7 comprises two mobiles in the form of superimposed toothed coaxial flat rings, a lower ring 6 provided with an internal toothing 6a of 24 teeth and an upper ring 8, whose the upper side bears the indications of the hours from 1 to 24. The outer portion of the upper ring 8 has a thicker annular heel in the inner face of which an annular bearing is formed to form an annular seat 8b to receive the outer edge of the lower ring 6. Screws 9 constituting removable abutment means are screwed into the lower face of the annular bead of the upper ring 8. Their heads protrude on either side of the annular heel of the upper ring 8, on the one hand under the outer edge of the lower ring 6 and on the other hand, under an annular bearing surface 10a of the frame 10. The respective dimensions are chosen so that when the screw 9 bears against the lower face of the annular heel of the upper ring 8, the lower disc 6 remains free to rotate in the annular bearing surface 8b. The upper ring 8 also has an outer annular surface 8c which parallels the portions of the screw heads 9 which bear on the annular bearing 10a. This annular bearing surface bears on a bearing surface 10b, so that the two bearing surfaces 10a, 10b are sandwiched between the screws 9 and the annular bearing surface, while allowing rotation of the ring 8 with respect to the frame 10.

Une denture 8a de 24 dents en forme de triangles isocèles est ménagée dans la face interne du talon annulaire de l'anneau supérieur 8. Un cliquet 11 est monté pivotant sur l'anneau inférieur 6, dans un espace ménagé entre les anneaux inférieur 6 et supérieur 8. Ce cliquet 11 est mis en prise avec la denture 8a de l'anneau supérieur par un ressort 12. Grâce à ce cliquet 11, les deux mobiles 6 et 8 sont rendus solidaires l'un de l'autre en rotation. Un second cliquet 13 est mis en prise avec la denture 6a de l'anneau inférieur 6 par un ressort 14.A tooth 8a of 24 teeth in the form of isosceles triangles is formed in the inner face of the annular heel of the upper ring 8. A pawl 11 is pivotally mounted on the lower ring 6, in a space provided between the lower rings 6 and 8. This pawl 11 is engaged with the toothing 8a of the upper ring by a spring 12. With this pawl 11, the two mobiles 6 and 8 are secured to one another in rotation. A second pawl 13 is engaged with the toothing 6a of the lower ring 6 by a spring 14.

Un mécanisme d'entraînement manuel de l'anneau supérieur 8 du mobile auxiliaire d'indication des heures 7 est encore prévu pour changer l'indication de l'heure de ce mobile auxiliaire en fonction du fuseau horaire que l'on désire afficher. Ce mécanisme comporte deux bascules à ressorts 15, 16, montées pivotantes autour de deux vis à portées respectives, 17, 18. Chacune de ces bascule 15, 16 est associée à une bascule de commande 19, respectivement 20, montée pivotante autour d'une vis à portée 21, respectivement 22. Ces bascules de commande 19, 20 portent chacune un plot 19a, respectivement 20a destiné à coopérer avec un poussoir de commande manuelle (non représenté) monté dans la carrure du boîtier de la pièce d'horlogerie et destiné à permettre d'effectuer une commande manuelle depuis l'extérieur. Ces bascules 19, 20 sont disposées entre les deux anneaux 6, 8 du mobile auxiliaire d'indication des heures 7, vis-à-vis de la denture interne 8a de l'anneau supérieur 8.A manual drive mechanism of the upper ring 8 of the auxiliary mobile hours indication 7 is still provided to change the time indication of the auxiliary mobile according to the time zone that is desired to display. This mechanism comprises two spring latches 15, 16, pivotally mounted around two respective bearing screws, 17, 18. Each of these latches 15, 16 is associated with a control lever 19, respectively 20, pivotally mounted around a screws in range 21, respectively 22. These scales 19, 20 each carry a pad 19a, respectively 20a intended to cooperate with a manual control pusher (not shown) mounted in the middle of the housing of the timepiece and intended to allow to perform a manual control from the 'outside. These flip-flops 19, 20 are arranged between the two rings 6, 8 of the hours indicating auxiliary mobile 7, vis-à-vis the internal toothing 8a of the upper ring 8.

Comme on peut le constater, ces deux bascules 15, 16 tournent dans deux sens respectifs opposés lorsqu'elles sont déplacées par les bascules de commande respectives 19, 20. De ce fait, chaque bascule 15, 16 vient en prise avec la denture 8a pour faire tourner d'un pas l'anneau supérieur 8 par rapport à l'anneau inférieur 6 respectivement dans les deux sens. Pour empêcher la rotation de l'anneau inférieur 6 lorsque l'une ou l'autre des bascules 15, 16 entraîne l'anneau supérieur 8, chacune de ces bascules comporte un élément de verrouillage 15a, respectivement 16a constitué par une portée située à la hauteur de la denture 6a de l'anneau inférieur 6. Si on examine la figure 1, on voit que lorsque l'une des bascules 15, 16 est déplacée par la bascule de commande 19, respectivement 20, son extrémité en forme de bec rencontre une dent de la denture 8a de l'anneau supérieur 8 et simultanément, l'élément de verrouillage 15a, respectivement 16a vient se positionner juste devant une dent de la denture 6a de l'anneau inférieur 6, par rapport aux sens respectifs d'entraînement de l'anneau supérieur 8 par les bascules 15, 16, ce déplacement relatif des deux anneaux 6, 8 étant rendu possible grâce au cliquet 11 qui les relie l'un à l'autre.As can be seen, these two flip-flops 15, 16 rotate in two opposite respective directions when they are displaced by the respective control flip-flops 19, 20. Therefore, each flip-flop 15, 16 engages the toothing 8a for rotating the upper ring 8 with respect to the lower ring 6 respectively in both directions. To prevent the rotation of the lower ring 6 when one or other of the latches 15, 16 drives the upper ring 8, each of these latches comprises a locking member 15a, respectively 16a constituted by a bearing located at the height of the toothing 6a of the lower ring 6. If we examine the figure 1 it can be seen that when one of the rockers 15, 16 is moved by the control rocker 19, respectively 20, its spike-shaped end meets a tooth of the toothing 8a of the upper ring 8 and simultaneously, the element 15a lock, respectively 16a is positioned just in front of a tooth of the toothing 6a of the lower ring 6, relative to the respective directions of driving of the upper ring 8 by the latches 15, 16, the relative displacement of the two rings 6, 8 being made possible by the pawl 11 which connects them to one another.

Grâce à la présence des deux anneaux superposés 6, 8 et à leur liaison par encliquetage, le déplacement de l'anneau supérieur 8 qui porte les indications de l'heure d'un second fuseau horaire, peut être effectué, même lorsque le doigt d'entraînement 5a du mobile 5 du train d'engrenage d'entraînement est engagé entre deux dents 6a de l'anneau inférieur, sans risque d'endommager le mécanisme.Thanks to the presence of the two superimposed rings 6, 8 and their snap connection, the displacement of the upper ring 8 which carries the time indications of a second time zone, can be performed, even when the finger drive 5a of the mobile 5 of the drive gear train is engaged between two teeth 6a of the lower ring, without risk of damaging the mechanism.

Comme on peut le constater, le mécanisme selon l'invention ne nécessite pratiquement pas de modification du mouvement de base de la pièce d'horlogerie, si ce n'est peut-être une roue à canon plus épaisse. De ce fait, ce mécanisme peut être ajouté, sous forme de module indépendant, sur une pièce d'horlogerie existante sans modification substantielle de ce mouvement, de la même manière qu'on le fait par exemple pour un mécanisme de quantième.As can be seen, the mechanism according to the invention requires virtually no change in the basic movement of the timepiece, except perhaps a thicker wheel. As a result, this mechanism can be added, in the form of an independent module, to an existing timepiece without substantially modifying this movement, in the same manner as is done, for example, for a date mechanism.

Claims (3)

  1. Timepiece comprising an auxiliary mobile (7) indicating the time, bearing a toothset (6a) in mesh with a positioning jumper (13), a drive mechanism for driving this auxiliary mobile comprising a kinematic connection (3-5) with the main mobiles (2) that indicate the hours and the minutes, in order to bring a drive element (5a) of this drive mechanism into mesh with the toothset (6a) of this auxiliary mobile (7) that indicates the time every hour; and two correction levers (15, 16) for selectively moving, in steps of one hour, one of said main mobiles that indicate the time with respect to the other respectively in the two directions of rotation, characterized in that the said auxiliary mobile (7) that indicates the time comprises a first and a second toothed coaxial rotary mobile (6, 8) connected to one another by clip-fastening members (11), in that the second of the said coaxial mobiles (8) bears hour indications and in that its toothset (8a) is in mesh with the said clip-fastening members (11) secured to the first (6) of the said coaxial mobiles and selectively with the said correction levers (15, 16), and in that each of the said correction levers (15, 16) comprises locking means (15a, 16a) for coming into mesh with the toothset (6a) of the first (6) of the said coaxial mobiles at the moment at which it acts on the second (8) of the said coaxial mobiles.
  2. Timepiece according to Claim 1, in which the said coaxial mobiles (6, 8) of the said auxiliary mobile (7) that indicates the time takes the shape of two superposed flat annuli (6, 8), one having a bearing surface (8b) to accept the other, the latter being held axially by removable stop means (9).
  3. Timepiece according to Claim 2, in which one of the said superposed flat annuli (6, 8) has an external annular bearing surface (8c) adjacent to an annular tang the underside face of which has an internal annular bearing surface to accept the lower flat annulus (6), screws (9) being screwed under this annular tang, their respective heads protruding from each side of this annular tang, firstly under the outer edge of the other annulus (6) and secondly under an annular bearing surface (10a) of the frame (10), the said external annular bearing surface (8c) extending over the top of another annular bearing surface (10b) of the said frame.
EP06405103A 2006-03-09 2006-03-09 Timepiece Active EP1832941B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06405103A EP1832941B1 (en) 2006-03-09 2006-03-09 Timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405103A EP1832941B1 (en) 2006-03-09 2006-03-09 Timepiece

Publications (2)

Publication Number Publication Date
EP1832941A1 EP1832941A1 (en) 2007-09-12
EP1832941B1 true EP1832941B1 (en) 2012-07-11

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Application Number Title Priority Date Filing Date
EP06405103A Active EP1832941B1 (en) 2006-03-09 2006-03-09 Timepiece

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388855A (en) * 1960-08-10 1964-11-14 Ruch Albert World time timepiece
CH684618B5 (en) * 1992-06-18 1995-05-15 Tiffany & Co Timepiece for simultaneous display of the time for at least two time zones.
CH693191A5 (en) * 1999-06-04 2003-03-27 Patek Philippe Sa Timepiece to universal time.

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