EP2156250B1 - Device for correction of a display mechanism for a timepiece - Google Patents

Device for correction of a display mechanism for a timepiece Download PDF

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Publication number
EP2156250B1
EP2156250B1 EP08760362.7A EP08760362A EP2156250B1 EP 2156250 B1 EP2156250 B1 EP 2156250B1 EP 08760362 A EP08760362 A EP 08760362A EP 2156250 B1 EP2156250 B1 EP 2156250B1
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EP
European Patent Office
Prior art keywords
correction
corrector wheel
corrector
ring
timepiece
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EP08760362.7A
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German (de)
French (fr)
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EP2156250A1 (en
Inventor
Olivier Mahler
Salvatore Dettori
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Omega SA
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Omega SA
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Priority to EP08760362.7A priority Critical patent/EP2156250B1/en
Publication of EP2156250A1 publication Critical patent/EP2156250A1/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
    • G04B19/25—Devices for setting the date indicators manually
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks

Definitions

  • the present invention relates to the field of watchmaking. It relates more specifically to a device for correcting a display mechanism of a time indication, such as a date, a day of the week, a month, etc.
  • the display mechanisms of a time indication generally comprise one or more display members, such as disks or rings, rotated by a drive mechanism.
  • Correction devices for such display mechanisms are well known to those skilled in the art. They mainly comprise a winding stem arranged to occupy at least one correction position of the time indication, a pinion integral in rotation with the winding stem, a return engaged with the pinion when the rod is in the correction position and a correction mobile actuated by the return and cooperating with a first display member.
  • the set is usually mounted on a plate, dial side.
  • the document is particularly known US 196,252A , disclosing a device for correcting a time indication provided by a timepiece display mechanism comprising a display member, such that the correction device comprises a winding stem arranged to occupy at least one position of correction of the time indication, a pinion mounted integral in rotation with the winding stem, a corrective return cooperating with said display member and actuated by the corrector.
  • the corrective return is formed of a ring engaged at least indirectly with the corrective mobile, and the correcting deflection is off-center with respect to the turntable of the timepiece.
  • a disadvantage of this correction device is that it is not suitable for display members in the form of ring, to display a clearer information.
  • the document is also known JP 54 106271 A , disclosing a time indication correction device provided by a timepiece display mechanism comprising a display member formed of a ring.
  • the correction device comprises a winding stem arranged to occupy at least one correction position of the time indication, a pinion mounted to rotate with the winding stem, a corrective return cooperating with said display member and actuated by the corrective reference.
  • the corrective return is formed of a ring engaged at least indirectly with the corrective mobile.
  • the corrective return does not have a diameter that extends to the periphery of the turntable of the timepiece, so that it does not release the space to move the rocker-mobile corrector assembly to distance from the corrector rod.
  • the corrector mobile is mounted walker between two correction positions, the passage of a correction position to the other being done by reversing the direction of rotation of the winding stem .
  • the corrective mobile is, for example, mounted on a rocker actuated by the reference.
  • the assembly formed by the reference, the rocker and the corrective mobile is located at 3 o'clock, in the vicinity of the winding stem. It has a large footprint, which makes its integration inconvenient in the case where other parts are close to the winding stem. It's the case, particularly when the plate is crossed by axes of chronograph counters located near the winding stem.
  • the space available for the correction device of the display mechanism is then greatly limited.
  • the present invention makes it possible to overcome this disadvantage, by proposing a device for correcting a display mechanism of a time indication, of which the correction-mobile toggle unit is moved towards one of the sectors 9 hours, 6 hours. or 12 hours of platinum, while freeing up useful space on the platen.
  • the corrective return frees space inside its inner circumference, which allows to house parts, for example counters axes.
  • the rocker-mobile correction unit may be substantially removed from the immediate vicinity of the winding stem, while releasing a large space to the inside of the correction mark.
  • the corrective reference surrounds all the counters axes, and moves the corrective toggle-mobile assembly to 9 hours.
  • the date indicator 20 and the day display member are rotated by a drive mechanism 38 located at 11 o'clock, comprising a driving wheel 40, formed of a wheel 42 and a finger 44 integral in rotation.
  • the finger 44 cooperates on the one hand with the toothing 24 and, on the other hand, with the star of days 34.
  • the wheel 42 is itself driven by a pinion 46, kinematically connected to the movement by an axis passing through the plate 10.
  • the display mechanism 12 thus described is intended to take place behind a not shown dial. It allows the display of the date, through a first wicket practiced in the dial, and the corresponding day of the week, through the day hand cooperating with indications of days affixed to the dial.
  • the correction device 14 of the display mechanism 12 conventionally comprises a winding shaft 50 mounted rotatably guided in the plate 10.
  • a sliding pinion 52 is mounted to rotate with the winding rod 50, movable between a correction position A and a winding position B. In correction position A, it meshes with a first intermediate return 54, mounted free to rotate on the plate 10, and itself in taken with a second intermediate return 56 rotatably mounted on the calendar board 26.
  • the second intermediate gear 56 is engaged with a corrector 58 formed of a ring 60 provided with an internal toothing 62.
  • the corrector 58 is rotatably guided by its outer circumference, on the calendar board 26.
  • a clearance 63 is provided in the calendar board 26. It is, in addition, held axially by three screws 64a, 64b, 64c distributed angularly at its periphery. Its diameter is close to the diameter of the date indicator 20, and it is positioned substantially centered, around the axes 15, 16 and 18, of the various elements of the drive mechanism 38, and the correction device 14.
  • the corrective switch 58 actuates a double corrector 66 mounted at 9 o'clock on the calendar board 26, and formed of a corrective mobile 68 mounted on a flip-flop 70.
  • the flip-flop 70 is pivotally mounted between a first and a second correction position, respectively A 'and B', about a pivot axis XX perpendicular to the plate 10. It comprises a board 72 mounted on a control wheel 74, axis of rotation coinciding with the pivot axis XX, in The control wheel 74 is further rendered partially integral with the board 72 by means of friction 76.
  • a pinion 78 is mounted on the board 72, integral in rotation with the control wheel 74.
  • the corrective mobile meshes with the toothing 24 of the date indicator 20, and in the second correction position B', it meshes with an intermediate star 80; -even in taken in conjunction with the correction star 36.
  • the correction mobile device 68 is mounted in an oblong hole made in the calendar board 26, according to a technique well known to those skilled in the art.
  • the correction device 14 thus described has two important advantages over a conventional device.
  • space is released at its center. This space is occupied, in this case, by parts belonging to the drive mechanism 38, to the correction device 14 itself, and by the axes 15, 16 and 18.
  • the corrector 58 allows to move the double corrector 66, which, due to the presence of the axis of the minute counter 16 to 4 hours, can not be mounted in the vicinity of the winding stem 50.
  • the double corrector 66 is moved at 9 o'clock, but it could be also at 6 o'clock or at 12 o'clock, or at any location of the free plate 10 to receive it. In addition, the double corrector 66 is moved relative to the plate 10, without losing any useful space thereon.
  • This arrangement of the correction device 14 is advantageous for a plate 10 pierced with several axes, virtually regardless of the position of these axes. It will be seen later that other arrangements of the correction device 14 may be envisaged for particular axis positions.
  • the operation of the correction device 14 is as follows.
  • the winding stem 50 is actuated clockwise, the sliding pinion 52 being in the correction position A, the first intermediate return 54 is driven in the counter-clockwise direction, and it drives itself, the second intermediate return 56 clockwise.
  • the latter meshes with the corrective wheel 58, which rotates clockwise, and in turn drives the control wheel 74 of the latch 70 in the clockwise direction.
  • the control wheel 74 rotates the board 72 under the effect of the friction 76, until the corrective mobile 68 meshes with the date indicator 20.
  • the control wheel 74 then disengages from the board 72, and actuates the corrective mobile 68 via the pinion 78.
  • the corrective mobile 68 corrects the indicator of date 20 by turning it anti-clockwise.
  • FIGs 5 and 6 illustrate variants of the correction device 14 according to an example not forming part of the claimed invention.
  • the correction device 14 illustrated in figure 5 differs from the device illustrated in Figures 1 to 4 , in that the corrective return 58 is of a diameter smaller than the radius of the date indicator 20 and in that it is off-center with respect to the plate 10, so as to occupy essentially the quarter situated between 3 hours and 6 hours.
  • the space released at its center is essentially occupied by the counter axis 16 minutes.
  • the axis 15 in the center of the plate 10 is excluded from this space, unlike the previous embodiment.
  • the double corrector 66 is located at 6 o'clock, that is to say between the axes of the counters minutes 16 and hours 18.
  • the toothing 62 of the corrector 58 is located on its outer circumference and not inner, and the rotation guidance is ensured by its inner circumference.
  • This arrangement is suitable for a plate 10 pierced with a central axis 15, and two off-center axes 16 and 18, respectively at 4 o'clock and at 8 o'clock.
  • the correction device 14 illustrated in figure 6 differs from the above, in that the diameter of the corrector 58 is smaller than the diameter of the date indicator 20, but greater than its radius.
  • the corrective return 58 is, furthermore, off-center with respect to the plate 10, so as to occupy essentially the half between 9 hours and 3 hours.
  • the central axis 15 is included in the space released at its center.
  • the toothing 24 is external and not internal. The arrangement thus described is suitable for a plate pierced with four axes 15, 16, 18, 82 located respectively at the center, at 4 o'clock, at 8 o'clock and at 6 o'clock.
  • the rotational guidance of the corrector 58 is made by its outer or inner circumference.
  • the corrective return 58 may be, for example, formed of a ring 60 provided with a circular rib, engaged in a groove made in the calendar board 26.
  • the correction device 14 does not include a second intermediate reference 56 in the variants illustrated in FIG. Figures 5 and 6 . It will be understood, in the same way, that the first intermediate return 54 is not essential to the correction device 14, and that the corrector 58 can be mounted in direct connection with the sliding pinion 52.

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

Description

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne plus précisément un dispositif de correction d'un mécanisme d'affichage d'une indication de temps, telle qu'un quantième, un jour de la semaine, un mois, etc.The present invention relates to the field of watchmaking. It relates more specifically to a device for correcting a display mechanism of a time indication, such as a date, a day of the week, a month, etc.

Les mécanismes d'affichage d'une indication de temps comportent généralement un ou plusieurs organes d'affichage, tels que des disques ou des anneaux, actionnés en rotation par un mécanisme d'entraînement. Des dispositifs de correction de tels mécanismes d'affichage sont bien connus de l'homme de métier. Ils comportent principalement une tige de remontoir agencée pour occuper au moins une position de correction de l'indication de temps, un pignon solidaire en rotation de la tige de remontoir, un renvoi en prise avec le pignon lorsque la tige est en position de correction et un mobile correcteur actionné par le renvoi et coopérant avec un premier organe d'affichage. L'ensemble est généralement monté sur une platine, côté cadran.The display mechanisms of a time indication generally comprise one or more display members, such as disks or rings, rotated by a drive mechanism. Correction devices for such display mechanisms are well known to those skilled in the art. They mainly comprise a winding stem arranged to occupy at least one correction position of the time indication, a pinion integral in rotation with the winding stem, a return engaged with the pinion when the rod is in the correction position and a correction mobile actuated by the return and cooperating with a first display member. The set is usually mounted on a plate, dial side.

On connaît notamment le document US 196 252 A , divulguant un dispositif de correction d'une indication de temps fournie par un mécanisme d'affichage pour pièce d'horlogerie comprenant un organe d'affichage, tel que le dispositif de correction comporte une tige de remontoir agencée pour occuper au moins une position de correction de l'indication de temps, un pignon monté solidaire en rotation de la tige de remontoir, un renvoi correcteur coopérant avec ledit organe d'affichage et actionné par le renvoi correcteur. Le renvoi correcteur est formé d'une bague en prise au moins indirectement avec le mobile correcteur, et le renvoi correcteur est décentré par rapport à la platine de la pièce d'horlogerie. Un inconvénient de ce dispositif de correction est qu'il n'est pas adapté aux organes d'affichage en forme d'anneau, permettant d'afficher une information plus claire.The document is particularly known US 196,252A , disclosing a device for correcting a time indication provided by a timepiece display mechanism comprising a display member, such that the correction device comprises a winding stem arranged to occupy at least one position of correction of the time indication, a pinion mounted integral in rotation with the winding stem, a corrective return cooperating with said display member and actuated by the corrector. The corrective return is formed of a ring engaged at least indirectly with the corrective mobile, and the correcting deflection is off-center with respect to the turntable of the timepiece. A disadvantage of this correction device is that it is not suitable for display members in the form of ring, to display a clearer information.

On connaît également le document JP 54 106271 A , divulguant un dispositif de correction d'une indication de temps fournie par un mécanisme d'affichage pour pièce d'horlogerie comprenant un organe d'affichage formé d'un anneau. Le dispositif de correction comporte une tige de remontoir agencée pour occuper au moins une position de correction de l'indication de temps, un pignon monté solidaire en rotation de la tige de remontoir, un renvoi correcteur coopérant avec ledit organe d'affichage et actionné par le renvoi correcteur. Le renvoi correcteur est formé d'une bague en prise au moins indirectement avec le mobile correcteur. Toutefois le renvoi correcteur ne présente pas un diamètre qui s'étend jusqu'à la périphérie de la platine de la pièce d'horlogerie, de sorte qu'elle ne libère pas l'espace permettant de déplacer l'ensemble bascule-mobile correcteur à distance de la tige de correcteur.The document is also known JP 54 106271 A , disclosing a time indication correction device provided by a timepiece display mechanism comprising a display member formed of a ring. The correction device comprises a winding stem arranged to occupy at least one correction position of the time indication, a pinion mounted to rotate with the winding stem, a corrective return cooperating with said display member and actuated by the corrective reference. The corrective return is formed of a ring engaged at least indirectly with the corrective mobile. However, the corrective return does not have a diameter that extends to the periphery of the turntable of the timepiece, so that it does not release the space to move the rocker-mobile corrector assembly to distance from the corrector rod.

Lorsque le mécanisme d'affichage comporte deux organes d'affichage, le mobile correcteur est monté baladeur entre deux positions de correction, le passage d'une position de correction à l'autre se faisant par inversion du sens de rotation de la tige de remontoir. A cet effet, le mobile correcteur est, par exemple, monté sur une bascule actionnée par le renvoi. L'ensemble formé par le renvoi, la bascule et le mobile correcteur, est situé à 3 heures, au voisinage de la tige de remontoir. Il présente un encombrement important, ce qui rend son intégration incommode dans le cas où d'autres pièces sont voisines de la tige de remontoir. C'est le cas, particulièrement lorsque la platine est traversée par des axes de compteurs de chronographe situés à proximité de la tige de remontoir. L'espace disponible pour le dispositif de correction du mécanisme d'affichage est alors fortement limité.When the display mechanism comprises two display members, the corrector mobile is mounted walker between two correction positions, the passage of a correction position to the other being done by reversing the direction of rotation of the winding stem . For this purpose, the corrective mobile is, for example, mounted on a rocker actuated by the reference. The assembly formed by the reference, the rocker and the corrective mobile, is located at 3 o'clock, in the vicinity of the winding stem. It has a large footprint, which makes its integration inconvenient in the case where other parts are close to the winding stem. It's the case, particularly when the plate is crossed by axes of chronograph counters located near the winding stem. The space available for the correction device of the display mechanism is then greatly limited.

Une solution à cette difficulté consiste à déplacer l'ensemble bascule - mobile correcteur vers un autre secteur de la platine, par exemple à 9 heures, à l'aide d'une série de renvois montés libres en rotation autour des axes des différents compteurs. Cette solution encombre fortement la platine. Sa mise en oeuvre est difficile si la platine est déjà occupée par un mécanisme d'entraînement.One solution to this problem is to move the balance-mobile corrector unit to another sector of the plate, for example at 9 o'clock, using a series of referrals mounted free in rotation around the axes of the various counters. This solution strongly encumbers the platinum. Its implementation is difficult if the plate is already occupied by a drive mechanism.

La présente invention permet de pallier cet inconvénient, en proposant un dispositif de correction d'un mécanisme d'affichage d'une indication de temps, dont l'ensemble bascule - mobile correcteur est déplacé vers l'un des secteurs 9 heures, 6 heures ou 12 heures de la platine, tout en libérant de l'espace utile sur la platine.The present invention makes it possible to overcome this disadvantage, by proposing a device for correcting a display mechanism of a time indication, of which the correction-mobile toggle unit is moved towards one of the sectors 9 hours, 6 hours. or 12 hours of platinum, while freeing up useful space on the platen.

Plus précisément, l'invention concerne une pièce d'horlogerie comprenant un mécanisme d'affichage comportant un premier organe d'affichage formé d'un anneau, la pièce d'horlogerie comprenant en outre un dispositif de correction d'une indication de temps fournie par le mécanisme d'affichage, le dispositif de correction comprenant :

  • une tige de remontoir agencée pour occuper au moins une position de correction de l'indication de temps,
  • un pignon monté solidaire en rotation sur la tige de remontoir,
  • un renvoi correcteur relié cinématiquement audit pignon quand la tige occupe ladite position de correction, et
  • un mobile correcteur coopérant avec ledit organe d'affichage et actionné par ledit renvoi correcteur,
ledit renvoi correcteur étant formé d'une bague munie d'une denture intérieure en prise au moins indirectement avec ledit mobile correcteur, ladite bague libérant de l'espace en son centre pour y loger des pièces, ledit renvoi correcteur étant monté guidé en rotation par une nervure solidaire de la bague.More specifically, the invention relates to a timepiece comprising a display mechanism comprising a first display member formed of a ring, the timepiece further comprising a correction device of a time indication provided by the display mechanism, the correction device comprising:
  • a winding stem arranged to occupy at least one correction position of the time indication,
  • a pinion mounted integral in rotation on the winding stem,
  • a corrective return connected kinematically to said pinion when the rod occupies said correction position, and
  • a corrective mobile cooperating with said display member and actuated by said corrector,
said correcting deflection being formed of a ring provided with an internal toothing meshing at least indirectly with said corrective ring, said ring releasing space at its center to accommodate parts therein, said corrective ring being rotatably guided by a rib integral with the ring.

Grâce à sa géométrie en bague, le renvoi correcteur libère de l'espace à l'intérieur de sa circonférence intérieure, ce qui permet d'y loger des pièces, par exemples des axes de compteurs. De plus, si le diamètre du renvoi correcteur est grand par rapport aux autres pièces du dispositif de correction, l'ensemble bascule - mobile correcteur peut être éloigné sensiblement du voisinage immédiat de la tige de remontoir, tout en libérant un espace important à l'intérieur du renvoi correcteur. Dans un mode de réalisation avantageux, le renvoi correcteur entoure tous les axes de compteurs, et déplace l'ensemble bascule - mobile correcteur à 9 heures.Thanks to its ring geometry, the corrective return frees space inside its inner circumference, which allows to house parts, for example counters axes. In addition, if the diameter of the corrector is large relative to the other parts of the correction device, the rocker-mobile correction unit may be substantially removed from the immediate vicinity of the winding stem, while releasing a large space to the inside of the correction mark. In an advantageous embodiment, the corrective reference surrounds all the counters axes, and moves the corrective toggle-mobile assembly to 9 hours.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation d'un dispositif de correction d'un mécanisme d'affichage selon l'invention, cet exemple étant donné à titre purement illustratif et non limitatif seulement, en liaison avec le dessin annexé sur lequel :

  • la figure 1 est une vue de dessus d'un dispositif de correction selon l'invention,
  • les figures 2 à 4 sont des vues en coupe de ce dispositif selon des axes AA, BB et CC respectivement, et
  • les figures 5 et 6 sont des variantes du dispositif de correction selon un exemple ne faisant pas partie de l'invention revendiquée.
En figure 1, on a représenté une platine 10 pour pièce d'horlogerie, sur laquelle sont montés, d'un côté, un mouvement non représenté, de type mécanique ou électromécanique, équipé d'un mécanisme de chronographe, et, de l'autre côté, un mécanisme d'affichage d'une indication de temps 12 et son dispositif de correction 14. La platine 10 est traversée par un axe central 15 destiné à porter des organes d'affichage des heures et des minutes non représentés, et par deux axes 16 et 18, situés respectivement sensiblement à 4 heures et à 8 heures, appartenant à des compteurs minutes et heures du mécanisme de chronographe. Le mécanisme d'affichage d'une indication de temps 12 est de type classique. Il comporte un indicateur des quantièmes numérique 20, formé d'un anneau 22 muni d'une denture intérieure 24. L'indicateur des quantièmes 20 est monté sur une planche de calendrier 26, vissée à la platine 10 et munie d'un dégagement 28 prévu à cet effet. Il est positionné angulairement par un sautoir 29, et maintenu axialement et guidé en rotation par une plaque de maintien 30 fixée à la planche de calendrier 26. Le mécanisme d'affichage 12 comporte encore un organe d'affichage des jours, tel qu'une aiguille, non visible sur la figure 1. L'organe d'affichage des jours est monté au centre de la platine 10, solidaire d'un mobile 32 formé d'une étoile des jours 34 et d'une étoile de correction 36.Other features and advantages of the present invention will emerge more clearly from the following detailed description of an exemplary embodiment of a correction device of a display mechanism according to the invention, this example being given purely by way of illustrative and not limiting only, in connection with the attached drawing in which:
  • the figure 1 is a top view of a correction device according to the invention,
  • the Figures 2 to 4 are sectional views of this device along axes AA, BB and CC respectively, and
  • the Figures 5 and 6 are variants of the correction device according to an example not forming part of the claimed invention.
In figure 1 there is shown a turntable 10 for a timepiece, on which are mounted, on one side, a not shown movement, of mechanical or electromechanical type, equipped with a chronograph mechanism, and, on the other side, a mechanism for displaying a time indication 12 and its correction device 14. The plate 10 is traversed by a central axis 15 intended to carry display members for the hours and minutes not shown, and by two axes 16 and 18, respectively located substantially at 4 o'clock and 8 o'clock, belonging to the minute and hour counters of the chronograph mechanism. The display mechanism of a time indication 12 is of conventional type. It comprises a digital date indicator 20, formed of a ring 22 provided with an internal toothing 24. The date indicator 20 is mounted on a calendar board 26, screwed to the plate 10 and provided with a clearance 28 meant for that purpose. It is positioned angularly by a jumper 29, and held axially and guided in rotation by a holding plate 30 fixed to the calendar board 26. The display mechanism 12 further comprises a day display member, such as a needle, not visible on the figure 1 . The display member days is mounted in the center of the plate 10, secured to a mobile 32 formed of a star of days 34 and a correction star 36.

L'indicateur de quantième 20 et l'organe d'affichage des jours sont entraînés en rotation par un mécanisme d'entraînement 38 situé à 11 heures, comprenant un mobile d'entraînement 40, formé d'une roue 42 et d'un doigt 44 solidaires en rotation. Le doigt 44 coopère d'une part avec la denture 24 et, d'autre part, avec l'étoile des jours 34. La roue 42 est elle-même entraînée par un pignon 46, relié cinématiquement au mouvement par un axe traversant la platine 10.The date indicator 20 and the day display member are rotated by a drive mechanism 38 located at 11 o'clock, comprising a driving wheel 40, formed of a wheel 42 and a finger 44 integral in rotation. The finger 44 cooperates on the one hand with the toothing 24 and, on the other hand, with the star of days 34. The wheel 42 is itself driven by a pinion 46, kinematically connected to the movement by an axis passing through the plate 10.

Le mécanisme d'affichage 12 ainsi décrit est destiné à prendre place derrière un cadran non représenté. Il permet l'affichage du quantième, à travers un premier guichet pratiqué dans le cadran, et du jour de la semaine correspondant, par l'intermédiaire de l'aiguille des jours coopérant avec des indications de jours apposées sur le cadran.The display mechanism 12 thus described is intended to take place behind a not shown dial. It allows the display of the date, through a first wicket practiced in the dial, and the corresponding day of the week, through the day hand cooperating with indications of days affixed to the dial.

On se référera maintenant utilement aux figures 2 à 4, qui illustrent le dispositif de correction 14, vu selon des coupes AA, BB et CC. Le dispositif de correction 14 du mécanisme d'affichage 12 comprend classiquement une tige de remontoir 50 montée guidée en rotation dans la platine 10. Un pignon coulant 52 est monté solidaire en rotation sur la tige de remontoir 50, mobile entre une position de correction A et une position de remontage B. En position de correction A, il engrène avec un premier renvoi intermédiaire 54, monté libre en rotation sur la platine 10, et lui-même en prise avec un deuxième renvoi intermédiaire 56 monté libre en rotation sur la planche de calendrier 26.We will now usefully refer to Figures 2 to 4 , which illustrate the correction device 14, seen in sections AA, BB and CC. The correction device 14 of the display mechanism 12 conventionally comprises a winding shaft 50 mounted rotatably guided in the plate 10. A sliding pinion 52 is mounted to rotate with the winding rod 50, movable between a correction position A and a winding position B. In correction position A, it meshes with a first intermediate return 54, mounted free to rotate on the plate 10, and itself in taken with a second intermediate return 56 rotatably mounted on the calendar board 26.

Le deuxième renvoi intermédiaire 56 est en prise avec un renvoi correcteur 58 formé d'une bague 60 munie d'une denture intérieure 62. Le renvoi correcteur 58 est monté guidé en rotation par sa circonférence extérieure, sur la planche de calendrier 26. A cet effet, un dégagement 63 est prévu dans la planche de calendrier 26. Il est, en outre, maintenu axialement par trois vis à portée 64a, 64b, 64c réparties angulairement à sa périphérie. Son diamètre est proche du diamètre de l'indicateur de quantième 20, et il est positionné sensiblement centré, autour des axes 15, 16 et 18, des différents éléments du mécanisme d'entraînement 38, et du dispositif de correction 14.The second intermediate gear 56 is engaged with a corrector 58 formed of a ring 60 provided with an internal toothing 62. The corrector 58 is rotatably guided by its outer circumference, on the calendar board 26. At this point, Indeed, a clearance 63 is provided in the calendar board 26. It is, in addition, held axially by three screws 64a, 64b, 64c distributed angularly at its periphery. Its diameter is close to the diameter of the date indicator 20, and it is positioned substantially centered, around the axes 15, 16 and 18, of the various elements of the drive mechanism 38, and the correction device 14.

Le renvoi correcteur 58 actionne un correcteur double 66 monté à 9 heures sur la planche de calendrier 26, et formé d'un mobile correcteur 68 monté sur une bascule 70. La bascule 70 est montée pivotante entre une première et une deuxième positions de correction, respectivement A' et B', autour d'un axe de pivotement XX perpendiculaire à la platine 10. Elle comprend une planche 72 montée sur une roue de commande 74, d'axe de rotation se confondant avec l'axe de pivotement XX, en prise avec le renvoi correcteur 58. La roue de commande 74 est, en outre, rendue partiellement solidaire de la planche 72 grâce à une friction 76. Un pignon 78 est monté sur la planche 72, solidaire en rotation de la roue de commande 74, en prise avec le mobile correcteur 68. En première position de correction A', le mobile correcteur engrène avec la denture 24 de l'indicateur de quantième 20, et en deuxième position de correction B', il engrène avec une étoile intermédiaire 80, elle-même en prise avec l'étoile de correction 36. En variante de ce mode de réalisation, le mobile correcteur 68 est monté baladeur dans un trou oblong pratiqué dans la planche de calendrier 26, selon une technique bien connue de l'homme de métier.The corrective switch 58 actuates a double corrector 66 mounted at 9 o'clock on the calendar board 26, and formed of a corrective mobile 68 mounted on a flip-flop 70. The flip-flop 70 is pivotally mounted between a first and a second correction position, respectively A 'and B', about a pivot axis XX perpendicular to the plate 10. It comprises a board 72 mounted on a control wheel 74, axis of rotation coinciding with the pivot axis XX, in The control wheel 74 is further rendered partially integral with the board 72 by means of friction 76. A pinion 78 is mounted on the board 72, integral in rotation with the control wheel 74. in the first correcting position A ', the corrective mobile meshes with the toothing 24 of the date indicator 20, and in the second correction position B', it meshes with an intermediate star 80; -even in taken in conjunction with the correction star 36. In a variant of this embodiment, the correction mobile device 68 is mounted in an oblong hole made in the calendar board 26, according to a technique well known to those skilled in the art.

On notera que le dispositif de correction 14 ainsi décrit présente deux avantages importants par rapport à un dispositif classique. Premièrement, grâce à la géométrie en bague du renvoi correcteur 58, de l'espace est libéré en son centre. Cet espace est occupé, dans le cas présent, par des pièces appartenant au mécanisme d'entraînement 38, au dispositif de correction 14 lui-même, et par les axes 15, 16 et 18. Deuxièmement, grâce à son diamètre voisin de celui de l'indicateur de quantième 20, c'est-à-dire de l'ordre des deux-tiers du diamètre de la platine 10, le renvoi correcteur 58 permet de déplacer le correcteur double 66, qui, en raison de la présence de l'axe du compteur minutes 16 à 4 heures, ne peut pas être monté au voisinage de la tige de remontoir 50. Dans le cas présent, le correcteur double 66 est déplacé à 9 heures, mais il pourrait l'être aussi à 6 heures ou à 12 heures, ou en tout emplacement de la platine 10 libre pour le recevoir. En outre, le correcteur double 66 est déplacé par rapport à la platine 10, sans perdre d'espace utile sur celle-ci. Cet agencement du dispositif de correction 14 est avantageux pour une platine 10 percée de plusieurs axes, pratiquement quel que soit la position de ces axes. On verra par la suite, que d'autres agencements du dispositif de correction 14 peuvent être envisagés pour des positions d'axes particulières.It will be noted that the correction device 14 thus described has two important advantages over a conventional device. First, thanks to the ring geometry of the corrector 58, space is released at its center. This space is occupied, in this case, by parts belonging to the drive mechanism 38, to the correction device 14 itself, and by the axes 15, 16 and 18. Secondly, thanks to its diameter close to that of the date indicator 20, that is to say of the order of two-thirds of the diameter of the plate 10, the corrector 58 allows to move the double corrector 66, which, due to the presence of the axis of the minute counter 16 to 4 hours, can not be mounted in the vicinity of the winding stem 50. In this case, the double corrector 66 is moved at 9 o'clock, but it could be also at 6 o'clock or at 12 o'clock, or at any location of the free plate 10 to receive it. In addition, the double corrector 66 is moved relative to the plate 10, without losing any useful space thereon. This arrangement of the correction device 14 is advantageous for a plate 10 pierced with several axes, virtually regardless of the position of these axes. It will be seen later that other arrangements of the correction device 14 may be envisaged for particular axis positions.

Le fonctionnement du dispositif de correction 14 est le suivant. Lorsque la tige de remontoir 50 est actionnée dans le sens horaire, le pignon coulant 52 étant en position de correction A, le premier renvoi intermédiaire 54 est entraîné dans le sens anti-horaire, et il entraîne lui-même, le deuxième renvoi intermédiaire 56 dans le sens horaire. Ce dernier engrène avec le renvoi correcteur 58, qui tourne dans le sens horaire, et entraîne à son tour la roue de commande 74 de la bascule 70 dans le sens horaire. La roue de commande 74 fait pivoter la planche 72 sous l'effet de la friction 76, jusqu'à ce que le mobile correcteur 68 engrène avec l'indicateur de quantième 20. La roue de commande 74 se désolidarise alors de la planche 72, et actionne le mobile correcteur 68 par l'intermédiaire du pignon 78. Le mobile correcteur 68 corrige l'indicateur de quantième 20 en le faisant tourner dans le sens anti-horaire. Lorsque la tige de remontoir 50 est actionnée dans le sens antihoraire, le pignon coulant étant en position de correction A, l'ensemble des renvois 54, 56, 58 tournent dans le sens inverse au précédent, et la bascule 70 pivote dans le sens anti-horaire jusqu'à ce que le mobile correcteur 68 engrène avec l'étoile intermédiaire 80. Celle-ci entraîne l'étoile de correction 36 dans le sens horaire, permettant ainsi la correction de l'organe d'affichage des jours.The operation of the correction device 14 is as follows. When the winding stem 50 is actuated clockwise, the sliding pinion 52 being in the correction position A, the first intermediate return 54 is driven in the counter-clockwise direction, and it drives itself, the second intermediate return 56 clockwise. The latter meshes with the corrective wheel 58, which rotates clockwise, and in turn drives the control wheel 74 of the latch 70 in the clockwise direction. The control wheel 74 rotates the board 72 under the effect of the friction 76, until the corrective mobile 68 meshes with the date indicator 20. The control wheel 74 then disengages from the board 72, and actuates the corrective mobile 68 via the pinion 78. The corrective mobile 68 corrects the indicator of date 20 by turning it anti-clockwise. When the winding stem 50 is actuated counterclockwise, the sliding pinion being in the correction position A, all the links 54, 56, 58 rotate in the opposite direction to the previous one, and the latch 70 pivots in the anti-direction. -clock until the corrective mobile 68 meshes with the intermediate star 80. This causes the correction star 36 in the clockwise direction, thus allowing the correction of the display member days.

On se référera maintenant aux figures 5 et 6 qui illustrent des variantes du dispositif de correction 14 selon un exemple ne faisant pas partie de l'invention revendiquée. Le dispositif de correction 14 illustré en figure 5 se distingue du dispositif illustré sur les figures 1 à 4, en ce que le renvoi correcteur 58 est d'un diamètre inférieur au rayon de l'indicateur de quantième 20 et en ce qu'il est décentré par rapport à la platine 10, de manière à occuper essentiellement le quart situé entre 3 heures et 6 heures. L'espace libéré en son centre est essentiellement occupé par l'axe de compteur minutes 16. On remarquera que l'axe 15 au centre de la platine 10 est exclu de cet espace, contrairement au mode de réalisation précédent. Le correcteur double 66 est situé à 6 heures, c'est-à-dire entre les axes des compteurs minutes 16 et heures 18. De plus, la denture 62 du renvoi correcteur 58 est située sur sa circonférence extérieure et non pas intérieure, et le guidage en rotation est assuré par sa circonférence intérieure. Cet agencement est approprié pour une platine 10 percée d'un axe central 15, et de deux axes décentrés 16 et 18, respectivement à 4 heures et à 8 heures.We will now refer to Figures 5 and 6 which illustrate variants of the correction device 14 according to an example not forming part of the claimed invention. The correction device 14 illustrated in figure 5 differs from the device illustrated in Figures 1 to 4 , in that the corrective return 58 is of a diameter smaller than the radius of the date indicator 20 and in that it is off-center with respect to the plate 10, so as to occupy essentially the quarter situated between 3 hours and 6 hours. The space released at its center is essentially occupied by the counter axis 16 minutes. Note that the axis 15 in the center of the plate 10 is excluded from this space, unlike the previous embodiment. The double corrector 66 is located at 6 o'clock, that is to say between the axes of the counters minutes 16 and hours 18. In addition, the toothing 62 of the corrector 58 is located on its outer circumference and not inner, and the rotation guidance is ensured by its inner circumference. This arrangement is suitable for a plate 10 pierced with a central axis 15, and two off-center axes 16 and 18, respectively at 4 o'clock and at 8 o'clock.

Enfin, le dispositif de correction 14 illustré en figure 6, se distingue des précédents, en ce que le diamètre du renvoi correcteur 58 est inférieur au diamètre de l'indicateur de quantième 20, mais supérieur à son rayon. Le renvoi correcteur 58 est, en outre, décentré par rapport à la platine 10, de manière à occuper essentiellement la moitié comprise entre 9 heures et 3 heures. L'axe central 15 est inclus dans l'espace libéré en son centre. Comme dans l'exemple précédent, la denture 24 est extérieure et non pas intérieure. L'agencement ainsi décrit est adapté pour une platine percé de quatre axes 15, 16, 18, 82 situés respectivement au centre, à 4 heures, à 8 heures et à 6 heures.Finally, the correction device 14 illustrated in figure 6 , differs from the above, in that the diameter of the corrector 58 is smaller than the diameter of the date indicator 20, but greater than its radius. The corrective return 58 is, furthermore, off-center with respect to the plate 10, so as to occupy essentially the half between 9 hours and 3 hours. The central axis 15 is included in the space released at its center. As in the previous example, the toothing 24 is external and not internal. The arrangement thus described is suitable for a plate pierced with four axes 15, 16, 18, 82 located respectively at the center, at 4 o'clock, at 8 o'clock and at 6 o'clock.

D'autres agencements de dispositifs correcteurs peuvent être conçus en fonction des besoins. Tous ces agencements ont en commun d'avoir un renvoi correcteur en bague, muni d'une denture intérieure ou extérieure, monté guidé en rotation par une de ses circonférences.Other arrangements of corrective devices may be designed as needed. All these arrangements have in common to have a ring corrector, provided with an internal or external toothing, mounted guided in rotation by one of its circumferences.

Bien entendu, le dispositif correcteur selon l'invention ne se limite pas aux modes de réalisation qui viennent d'être décrits et diverses modifications et variantes simples peuvent être envisagées par l'homme du métier sans sortir du cadre de l'invention tel que défini par les revendications annexées.Of course, the corrector device according to the invention is not limited to the embodiments that have just been described and various simple modifications and variants can be envisaged by those skilled in the art without departing from the scope of the invention as defined by the appended claims.

On notera en particulier, que, dans la description précédente, le guidage en rotation du renvoi correcteur 58 est réalisé par sa circonférence extérieure ou intérieure. Selon l'invention, le renvoi correcteur 58 peut être, par exemple, formé d'une bague 60 munie d'une nervure circulaire, engagée dans une gorge pratiquée dans la planche de calendrier 26.It will be noted in particular that, in the preceding description, the rotational guidance of the corrector 58 is made by its outer or inner circumference. According to the invention, the corrective return 58 may be, for example, formed of a ring 60 provided with a circular rib, engaged in a groove made in the calendar board 26.

On notera également que le dispositif de correction 14 ne comprend pas de deuxième renvoi intermédiaire 56 dans les variantes illustrées en figures 5 et 6. On comprendra, de la même façon, que le premier renvoi intermédiaire 54 n'est pas indispensable au dispositif de correction 14, et que le renvoi correcteur 58 peut être monté en prise directe avec le pignon coulant 52.It will also be noted that the correction device 14 does not include a second intermediate reference 56 in the variants illustrated in FIG. Figures 5 and 6 . It will be understood, in the same way, that the first intermediate return 54 is not essential to the correction device 14, and that the corrector 58 can be mounted in direct connection with the sliding pinion 52.

Claims (7)

  1. Timepiece comprising a display mechanism (12) including a first display member (12) formed of a ring (22), the timepiece further including a device for correcting a time indication (14) supplied by the display mechanism (12), the correction device including:
    - a winding stem (50) arranged to occupy at least one time indication correcting position (A),
    - a pinion (52) mounted on the winding stem (50) for integral rotation therewith,
    - an intermediate corrector wheel (58) kinematically connected to said pinion (52) when the stem (50) is occupying said correcting position (A), and
    - a corrector wheel set (68) that cooperates with said display member (20) and is actuated by said intermediate corrector wheel (58),
    said intermediate corrector wheel (58) being formed of a ring (60) provided with an inner toothing (62), which is meshed, at least indirectly, with said corrector wheel set (68), said ring (60) freeing space at the centre thereof for housing parts,
    said intermediate corrector wheel (58) being guided in rotation by a rib integral with the ring (60).
  2. Timepiece according to claim 1, characterized in that the correction device is mounted on a bottom plate (10) through which several arbors (15, 16, 18) pass, and in that said intermediate corrector wheel (58) is rotatably mounted about at least one of said arbors (16).
  3. Timepiece according to claim 2, characterized in that said bottom plate (10) is traversed by three arbors (15, 16, 18), one (15) of which is centred relative to the bottom plate (10), and two others (16, 18) are off-centre, and in that said intermediate corrector wheel (58) is rotatably mounted about said three arbors (15, 16, 18).
  4. Timepiece according to claim 1, characterized in that the corrector wheel set (68) is arranged at approximately 9 o'clock on the bottom plate (10).
  5. Timepiece according to any of the preceding claims, characterized in that said corrector wheel set (68) is slidably mounted between a first position (A') where it cooperates with said first display member (20), and a second position (B') where it cooperates at least indirectly with a second display member.
  6. Timepiece according to claim 5, characterized in that said corrector wheel set (68) is mounted on a lever (70).
  7. Timepiece according to claim 6, characterized in that said corrector wheel set (68) is slidably mounted in an oblong hole.
EP08760362.7A 2007-06-04 2008-06-02 Device for correction of a display mechanism for a timepiece Active EP2156250B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08760362.7A EP2156250B1 (en) 2007-06-04 2008-06-02 Device for correction of a display mechanism for a timepiece

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07109530A EP2000864A1 (en) 2007-06-04 2007-06-04 Device for correction of a display mechanism for a timepiece
PCT/EP2008/056776 WO2008148735A1 (en) 2007-06-04 2008-06-02 Device for correcting a display mechanism for a timepiece
EP08760362.7A EP2156250B1 (en) 2007-06-04 2008-06-02 Device for correction of a display mechanism for a timepiece

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EP2156250A1 EP2156250A1 (en) 2010-02-24
EP2156250B1 true EP2156250B1 (en) 2018-02-28

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EP07109530A Withdrawn EP2000864A1 (en) 2007-06-04 2007-06-04 Device for correction of a display mechanism for a timepiece
EP08760362.7A Active EP2156250B1 (en) 2007-06-04 2008-06-02 Device for correction of a display mechanism for a timepiece

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US (1) US8982674B2 (en)
EP (2) EP2000864A1 (en)
JP (2) JP2010539441A (en)
CN (1) CN101681149B (en)
HK (1) HK1142418A1 (en)
WO (1) WO2008148735A1 (en)

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Publication number Priority date Publication date Assignee Title
EP2642354B1 (en) * 2012-03-23 2015-10-21 Omega SA Mechanism for displaying and correcting the state of two different time magnitudes

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Publication number Priority date Publication date Assignee Title
US196252A (en) * 1877-10-16 Improvement in stem winding and setting watches
US3043090A (en) * 1959-08-03 1962-07-10 Edward V Sundt Electric clock
FR2283477A1 (en) * 1974-08-27 1976-03-26 Ebauches Sa CALENDAR WATCH MOVEMENT WITH CALENDAR DEVICE FOR THE DAY AND THE DAY
JPS5420173U (en) * 1977-07-12 1979-02-08
JPS5853755B2 (en) * 1978-02-08 1983-12-01 セイコーエプソン株式会社 Calendar clock with time difference correction device
JPS5939659Y2 (en) * 1979-10-23 1984-11-06 シチズン時計株式会社 Early date adjustment mechanism
US4254493A (en) * 1979-12-31 1981-03-03 Timex Corporation Quick hour setting system for timepiece
CH688706B5 (en) * 1995-07-28 1998-07-31 Longines Montres Comp D Annual calendar mechanism for a timepiece.
SG102647A1 (en) * 2000-12-22 2004-03-26 Ebauchesfabrik Eta Ag Timepiece provided with a date having a large aperture
JP3772763B2 (en) * 2002-02-28 2006-05-10 セイコーエプソン株式会社 Electronic clock with date display function
EP1369753A1 (en) * 2002-06-06 2003-12-10 Zenith International SA Timepiece with date display
DE602004018429D1 (en) * 2003-01-28 2009-01-29 Seiko Epson Corp MULTIFUNCTION WATCH
JP2005214836A (en) * 2004-01-30 2005-08-11 Seiko Instruments Inc Timepiece with calendar mechanism including two day wheels
JP4386022B2 (en) * 2004-11-10 2009-12-16 セイコーエプソン株式会社 Clock display device, movement, and clock
EP1785783B1 (en) * 2005-11-11 2011-10-12 Omega SA Annual calendar mechanism for a clock movement
JP4692967B2 (en) * 2006-01-27 2011-06-01 セイコーインスツル株式会社 Calendar clock with two date wheels arranged eccentrically
JP5067286B2 (en) * 2008-07-02 2012-11-07 セイコーエプソン株式会社 clock

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CN101681149B (en) 2012-05-09
US20100226215A1 (en) 2010-09-09
WO2008148735A1 (en) 2008-12-11
HK1142418A1 (en) 2010-12-03
EP2000864A1 (en) 2008-12-10
JP2010539441A (en) 2010-12-16
CN101681149A (en) 2010-03-24
US8982674B2 (en) 2015-03-17
JP2014066716A (en) 2014-04-17
JP5681266B2 (en) 2015-03-04
EP2156250A1 (en) 2010-02-24

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