EP2455823B1 - Timepiece with universal time display - Google Patents

Timepiece with universal time display Download PDF

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Publication number
EP2455823B1
EP2455823B1 EP20100014744 EP10014744A EP2455823B1 EP 2455823 B1 EP2455823 B1 EP 2455823B1 EP 20100014744 EP20100014744 EP 20100014744 EP 10014744 A EP10014744 A EP 10014744A EP 2455823 B1 EP2455823 B1 EP 2455823B1
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EP
European Patent Office
Prior art keywords
timepiece
rotational member
wheel
planet carrier
disc
Prior art date
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Application number
EP20100014744
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German (de)
French (fr)
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EP2455823A1 (en
Inventor
Florent Zufferey
Cédric Jacot
Jacques Gabathuler
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Breitling AG
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Breitling AG
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Priority to EP20100014744 priority Critical patent/EP2455823B1/en
Publication of EP2455823A1 publication Critical patent/EP2455823A1/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
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/221—Arrangements for indicating different local apparent times; Universal time pieces mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands
    • G04B19/235—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands mechanisms for correcting the additional hand or hands

Definitions

  • the present invention relates to a timepiece with universal time display.
  • Patent is known CH 690.205 and EP 1,058,166 timepieces with a universal time display comprising, around the dial, a 24-hour rotating disc bearing a number from 1 to 24 and a rotating disc of the cities bearing the names of 24 cities corresponding to the 24 time zones.
  • Hour and minute hands cooperate with a fixed scale on the dial to display the local time in the time zone of the city whose name on the city disc is located at noon.
  • the 24-hour disk is kinematically connected to the hour and minute hands and rotates at the rate of one revolution per 24 hours in a counter-clockwise direction.
  • the local time in each time zone is indicated by the 24-hour disk number next to the city name of the time zone on the city disk.
  • the manual actuation of a pushbutton makes it possible to change the time zone.
  • Each press of the pusher activates a correction mechanism that moves the disc of the cities and the 24-hour disc one twenty-fourth of a turn counter-clockwise and the hour hand a twelfth of a turn in the
  • the hour hand is carried by a star hours which, in normal operation, is secured to the wheel hours of movement by a jumper.
  • the correction mechanism each time it is actuated by the pusher, moves the star of hours against the action of the jumper independently of the hour wheel and thus the roadway carrying the needle of the hours. minutes.
  • a disadvantage of such a mechanism is that the movement of the star hours requires overcoming the force of the jumper, which creates parasitic couples in the rest of the movement, likely to disrupt its operation.
  • a Another disadvantage is that this mechanism prohibits the possibility of correcting the hours in both directions, partly because it is not designed for this purpose, and secondly because the parasitic moments generated by the jumper when a correction in the counter-clockwise direction would have the effect of slowing or even stopping the movement.
  • the carrier and the satellite thus form a differential mechanism for suppressing parasitic couples in the drive mechanism when actuating the correction mechanism and for making time zone changes in both directions.
  • the planet carrier drives the first rotational member upon actuation of the correction mechanism, a simple construction of the timepiece according to the invention can be obtained.
  • the present invention offers a simple and reliable solution for overcoming the disadvantages of the parts. timepieces with universal time display according to the documents CH 690.205 and EP 1,058,166 .
  • the first rotary member is for example a disc carrying indications of cities corresponding to time zones.
  • the second rotary member is for example a needle driven at a rate of one turn in twelve hours.
  • the third rotary member is, for example, a disk bearing hour indications and driven at the rate of one revolution in twenty-four hours.
  • the carrier may comprise a toothing for its kinematic connection with the first rotary member and be kinematically connected to the first rotary member by means of a gear train.
  • the carrier is immobilized by a jumper during normal operation of the timepiece. More particularly, the carrier meshes with a correction wheel which drives it, and the correction wheel is secured to a star cooperating with the jumper.
  • the manual actuating member is for example a time setting rod of the timepiece.
  • the planet carrier is rotatably mounted around a mobile which is itself free to rotate around a roadway, the mobile comprising a first toothing meshing with a timer gear and a second toothing. meshing with the satellite, the satellite also meshing with a driving wheel of the second rotary member.
  • the timepiece according to the invention may furthermore comprise a fourth rotary member, a date indicator, forming part of the kinematic chain.
  • the fourth rotary member is for example a disc bearing date indications.
  • this fourth rotary member is driven instantaneously.
  • a timepiece typically a wristwatch, comprises a fixed dial 1 surrounded by a disk or rotary ring of 24 hours 2 itself surrounded by a disk or rotary ring of the cities 3.
  • the disk 3 is named after 24 cities corresponding to 24 time zones.
  • the dial 1 has numbers from "1" to "12" to display, in cooperation with a 12 hour hand 4, the local time in a selected time zone corresponding in practice to the time zone where the user is located.
  • the time zone selected is that of the city whose name inscribed on the disk of the cities 3 is located at noon.
  • the 12 hour hand 4 is driven clockwise at one turn per 12 hours.
  • the 24-hour disk 2 has numbers from “1" to "24” and is driven counterclockwise at one turn per 24 hours.
  • Conventional hands 5 minutes and 6 seconds rotating above the dial 1 coaxially with the twelve hour hand 4 and disks 2, 3 complete the time display.
  • the date of the month in the selected time zone is further displayed by a date disc 7 rotating under the dial 1 opposite a window 8 made in said dial and bearing numbers from "1" to "31".
  • the hands of 12 hours 4, minutes 5 and seconds 6 indicate the time of the time zone of Paris, namely 4h15, and one can read on the disc of 24 hours 2 and the disc of the cities 3 that the hour in the New York time zone, for example, is 22:15 and the time in the Moscow time zone is 6:15.
  • the 12-hour hands 4, 5 minutes and 6 seconds indicate the time of the New York time zone, namely 22:15, and one can read on the disc of 24 hours 2 and the disc of the cities 3 that the time in the time zone of Tokyo, for example, is 12:15 and the time in the London time zone is 3:15.
  • the movement of the timepiece according to the invention for driving and correcting the display described above comprises, on a plate 10, a motor member such as a barrel 11, an exhaust and an organ setting (not shown), a driving mechanism for driving the seconds hand 6, the minute hand 5, the 12 hour hand 4, the 24 hour disc 2 and the date disc 7 from the driving member and under the control of the regulating member, and a mechanism for correcting the position of the disc of the cities 3, the 12-hour hand 4, the 24-hour disc 2 and the date disc 7.
  • the drive mechanism comprises (cf. figures 3 and 4 ) a work train of which only the small average gear 12 is shown ( figure 5 ) and whose seconds hand carries the seconds hand 6, a roadway 13, a road wheel 14, a wheel 15 and a pinion 16 timer, a mobile 12 hours comprising a 12 hour wheel 17 and a pinion 12 hours 18 integral with each other, and the satellite 19 of a differential gear.
  • Roadway 13 carries the minute hand 5 making one turn per hour.
  • the road wheel 14 is frictionally mounted on the roadway 13 and meshes with the small average gear 12 which drives it.
  • the roadway 13 driven by the movement of the road wheel 14 drives the timer wheel 15 by meshing.
  • the movement of the timer wheel 15 is transmitted to the timer gear 16 which is integral therewith, and, by meshing between the timer gear 16 and the 12 o'clock wheel 17, to the 12 o'clock mobile 17-18 which thus rotates at exactly the right moment. one round per 12 hours.
  • the 12 o'clock mobile 17-18 is mounted freely in rotation around the barrel of the roadway 13.
  • a satellite carrier plate 20 Around the 12 o'clock mobile 17-18, between the 12 o'clock wheel 17 and the gear of the 12 o'clock pinion 18, is mounted a satellite carrier plate 20 forming, with the satellite 19, the aforementioned differential gear.
  • the planet carrier 20 is free to rotate with respect to the 12-hour mobile 17-18 but, during normal operation of the timepiece, is stationary relative to the plate 10.
  • An eccentric pin 21 is fixed to the carrier satellite 20.
  • the 12-hour mobile 17-18 could be driven at a speed different from one revolution per 12 hours, for example at a speed of one revolution per 24 hours, and the satellite 19 could be under mobile form comprising a wheel and a gear meshing respectively with the pinion 22 of the mobil e to 12 o'clock gun 22-23 and with the mobile 17-18, or vice versa, to ensure the multiplication or gearing required for the 12-hour hand 4 rotates at a rate of one revolution per 12 hours.
  • the 12-22-hour gun carrier also has a wheel 23 integral with the pinion 22.
  • This wheel 23 meshes with the wheel 24 of an intermediate wheel whose pinion 25, integral with the wheel 24, meshes with a wheel 26 for to train it at a rate of one turn per 24 hours.
  • the wheel 26 meshes with the pinion 27 of a drive wheel whose wheel 28, integral with the pinion 27, meshes with an internal toothing 29 of the 24-hour disc 2 to drive the latter at a rate of one turn per 24 hours. counterclockwise.
  • the wheel 26 is part of a drive wheel of the date disk 7 comprising a hub 30 mounted to rotate freely about an axis 31 fixed relative to the plate 10. At an axial end of the hub 30 extends radially a drive finger 32 integral with the hub 30 and preferably formed integrally therewith. Around the other axial end of the hub 30 is rigidly fixed an instantaneous jump cam 33.
  • the wheel 26 is mounted freely around the hub 30, between the cam 33 and a shoulder 34 of the hub 30.
  • the wheel 26 is, however, connected to the cam 33 so as to be rotatable relative thereto only by a predetermined angle.
  • an eccentric pin 35 driven into the cam 33 passes into an oblong opening 36 formed in the wheel 26 and having the shape of a circular arc centered on the axis of the wheel 26 (cf. figure 3 ).
  • the cam 33 has a first portion 37 in the form of a spiral portion extending from the center of the cam to an apex, a second convex portion 38 approaching the center of the cam from said apex and a third portion 39 shaped hollow.
  • a rocker 40 pivoting at a point 41 is applied and maintained permanently against the cam 33 by a spring 42.
  • the rocker 40 cooperates with the cam 33 via a roller 43.
  • the drive of the date disc 7 could be dragging.
  • its drive wheel would only include, in addition to the wheel 26, a pinion secured to the wheel 26 and which would mesh with a corresponding internal toothing of the date disc 7.
  • the drive mechanism of the timepiece drives, from the drive member 11, a kinematic chain comprising the 12-22-hour gun carrier which carries, therefore drives, the 12 hour hand 4, the intermediate mobile 24-25, the mobile 26, 30, 32, 33 drive of the date disc 7 and the drive mobile 27-28 of the disc of 24 hours 2.
  • the mechanism for correcting the position of the disc of the cities 3, the 12-hour hand 4, the 24-hour disc 2 and the date disc 7 comprises (cf. figures 3 and 5 ) the planet carrier 20 and a correction mobile 46-47-48.
  • the correction mobile 46-47-48 comprises a correction wheel 46 which meshes with a peripheral toothing of the planet carrier 20, a star 47 which cooperates with a jumper 49 to keep the correction mobile 46-47-48 stationary and therefore the planet carrier 20 in normal operation of the timepiece, and a pinion 48 integral with the wheel 46 and the star 47.
  • the correction wheel 46-47-48 can be actuated by the screw rod. 50 hours of movement via a train 51 when the time setting rod 50 is in an intermediate axial position between the pushed up position and the pulled position setting time.
  • the gear train 51 is of a type known per se. It comprises a pinion gear 52 with which the sliding pinion 53 mounted on the time setting rod 50 meshes in the intermediate positions and pulled from the rod 50, a pinion 54 coaxial with the correction wheel 46-47-48 and driven by the pinion gear 52 via a pinion 55, and a pinion 56 carried by a rocker 57 (visible only on the figure 5 )
  • the latch 57 is actuated by the pull tab 50a associated with the rod 50, this pull tab 50a cooperating with a shaped opening (not shown) of the rocker 57 so that the pinion 56 meshes with the pinions 48 and 54, thus making them integral, when the rod 50 is in the thrust and intermediate positions, or alternatively only when the rod 50 is in the intermediate position, and for the pinion 56 is out of contact with the pinions 48 and 54 when the rod 50 is in the pulled position, or alternatively when the rod 50 is in the pushed and pulled positions , so that a time setting does not operate the correction mechanism
  • the peripheral toothing of the planet carrier 20 also meshes with the wheel 58 of an intermediate wheel whose pinion 59, integral with the wheel 58, meshes with the pinion 60 of a drive wheel of the disk of the cities 3.
  • a jumper 63 cooperates with the toothing of the wheel 61 to position the disc of the cities 3.
  • each jump of displacement of the planet carrier 20 carried out by a rotation of the time-setting rod 50 makes the disc of the towns 3 move by a twenty-fourth of a turn, to indicate a change of time zone.
  • time by the kinematic chain formed by the planet carrier 20, the intermediate mobile 58-59 and the driving mobile 60-61.
  • the satellite 19 driven by the planet carrier 20 rolls over the toothing of the 12 o'clock pinion 18 without disturbing the normal rotation of the 12 o'clock mobile. -18 nor the operation of the rest of the drive mechanism.
  • This movement of the satellite 19 rotates the 12-22-hour gun, which causes a jump of movement of a twelfth of a turn to the 12-hour hand 4 and, by the driveline 23 to 28 , a jump of a twenty-fourth of a turn to the 24-hour disc 2.
  • the date disc 7 will also make a jump of displacement, of a thirty-first of turn, with the passage of the needle of 12 hours 4 with midnight. This correction of the disc position of the cities 3, the 12 hour hand 4, the 24 hour disc 2 and the date disc 7 is performed without creating parasitic torque in the drive mechanism, thanks to the differential gear 19-20.
  • the correction can be made in both directions of rotation of the time-setting rod 50.
  • the disc of the cities 3 and the disc of 24 hours 2 will turn counter-clockwise while the 12 hour hand 4 and, if necessary, the date disc 7 will rotate clockwise.
  • the city disc 3 and the 24 hour disc 2 will turn clockwise while the 12 hour hand 4 and, if appropriate, the date disc 7 will turn counterclockwise.
  • a time setting of the timepiece can be performed by turning the time setting rod 50 when it is in its axial position drawn time setting.
  • the rotation of the time-setting rod 50 activates the timer wheel 15 via a gear train (not shown), thereby simultaneously turning the minute hand 5, the 12-hour hand 4, the 24 hours disk 2 and the wheel 26 of the drive wheel of the date disk 7, the planet carrier 20 and thus the disk of the cities 3 remaining stationary.
  • the disc of the cities 3 could also be driven by the planet carrier 20 in another way, for example by being integral with it.
  • the 24 hours disk 2 could, in normal operation of the timepiece, be driven in the clockwise direction, rather than the time.
  • the series of numbers "1" to "24” carried by this disc would be written in a counter-clockwise rather than a clockwise direction.
  • the city disc 3 would turn in the same direction and the same angle as the disc 24 hours 2, as in the embodiment illustrated in the drawings.

Description

La présente invention concerne une pièce d'horlogerie à affichage de l'heure universelle.The present invention relates to a timepiece with universal time display.

On connaît par les brevets CH 690.205 et EP 1.058.166 des pièces d'horlogerie à affichage de l'heure universelle comportant, autour du cadran, un disque rotatif de 24 heures portant une numérotation de 1 à 24 et un disque rotatif des villes portant les noms de 24 villes correspondant aux 24 fuseaux horaires. Des aiguilles des heures et des minutes coopèrent avec une graduation fixe sur le cadran pour afficher l'heure locale du fuseau horaire de la ville dont le nom inscrit sur le disque des villes est situé à midi. Le disque de 24 heures est relié cinématiquement aux aiguilles des heures et des minutes et tourne à raison d'un tour par 24 heures dans le sens anti-horaire. L'heure locale dans chaque fuseau horaire est indiquée par le chiffre du disque de 24 heures se trouvant en regard du nom de la ville du fuseau horaire sur le disque des villes. L'actionnement manuel d'un poussoir permet de changer de fuseau horaire. Chaque pression du poussoir actionne un mécanisme de correction qui déplace le disque des villes et le disque de 24 heures d'un vingt-quatrième de tour dans le sens anti-horaire et l'aiguille des heures d'un douzième de tour dans le sens horaire.Patent is known CH 690.205 and EP 1,058,166 timepieces with a universal time display comprising, around the dial, a 24-hour rotating disc bearing a number from 1 to 24 and a rotating disc of the cities bearing the names of 24 cities corresponding to the 24 time zones. Hour and minute hands cooperate with a fixed scale on the dial to display the local time in the time zone of the city whose name on the city disc is located at noon. The 24-hour disk is kinematically connected to the hour and minute hands and rotates at the rate of one revolution per 24 hours in a counter-clockwise direction. The local time in each time zone is indicated by the 24-hour disk number next to the city name of the time zone on the city disk. The manual actuation of a pushbutton makes it possible to change the time zone. Each press of the pusher activates a correction mechanism that moves the disc of the cities and the 24-hour disc one twenty-fourth of a turn counter-clockwise and the hour hand a twelfth of a turn in the direction schedule.

Pour permettre la correction des heures sans dérégler la position de l'aiguille des minutes, l'aiguille des heures est portée par une étoile des heures qui, en fonctionnement normal, est rendue solidaire de la roue des heures du mouvement par un sautoir. Le mécanisme de correction, à chaque fois qu'il est actionné par le poussoir, déplace d'un pas l'étoile des heures contre l'action du sautoir indépendamment de la roue des heures et donc de la chaussée qui porte l'aiguille des minutes.To allow the correction of hours without disrupting the position of the minute hand, the hour hand is carried by a star hours which, in normal operation, is secured to the wheel hours of movement by a jumper. The correction mechanism, each time it is actuated by the pusher, moves the star of hours against the action of the jumper independently of the hour wheel and thus the roadway carrying the needle of the hours. minutes.

Un inconvénient d'un tel mécanisme est que le déplacement de l'étoile des heures nécessite de vaincre la force du sautoir, ce qui crée des couples parasites dans le reste du mouvement, susceptibles de perturber son fonctionnement. Un autre inconvénient est que ce mécanisme interdit de pouvoir corriger les heures dans les deux sens, d'une part parce qu'il n'est pas conçu pour cela, et d'autre part parce que les couples parasites générés à cause du sautoir lors d'une correction dans le sens anti-horaire auraient pour effet de freiner voire d'arrêter le mouvement.A disadvantage of such a mechanism is that the movement of the star hours requires overcoming the force of the jumper, which creates parasitic couples in the rest of the movement, likely to disrupt its operation. A Another disadvantage is that this mechanism prohibits the possibility of correcting the hours in both directions, partly because it is not designed for this purpose, and secondly because the parasitic moments generated by the jumper when a correction in the counter-clockwise direction would have the effect of slowing or even stopping the movement.

La présente invention vise à remédier à ces inconvénients et propose à cette fin une pièce d'horlogerie à affichage de l'heure universelle comprenant :

  • un organe moteur,
  • un premier organe rotatif, portant des indications de fuseaux horaires,
  • un deuxième organe rotatif, indicateur de l'heure locale dans un fuseau horaire sélectionné par la position angulaire du premier organe rotatif,
  • un troisième organe rotatif, affichant l'heure locale simultanément dans chacun desdits fuseaux horaires en coopération avec le premier organe rotatif,
  • une chaîne cinématique comprenant les deuxième et troisième organes rotatifs,
  • un mécanisme d'entraînement pour entraîner la chaîne cinématique à partir de l'organe moteur,
  • un mécanisme de correction permettant la correction de la position angulaire des premier, deuxième et troisième organes rotatifs indépendamment de l'entraînement de la chaîne cinématique à partir de l'organe moteur, pour un changement de fuseau horaire, et
  • un organe d'actionnement manuel distinct du premier organe rotatif et permettant l'actionnement manuel du mécanisme de correction,
caractérisée en ce que le mécanisme de correction comprend un porte-satellite relié cinématiquement au premier organe rotatif, le porte-satellite étant immobilisé lors du fonctionnement normal de la pièce d'horlogerie mais entraîné en rotation lors de l'actionnement du mécanisme de correction, le porte-satellite entraînant le premier organe rotatif lors de l'actionnement du mécanisme de correction, et en ce que le mécanisme d'entraînement comprend un satellite porté par le porte-satellite.The present invention aims to remedy these disadvantages and proposes for this purpose a timepiece with universal time display comprising:
  • a motor organ,
  • a first rotary member, bearing indications of time zones,
  • a second rotary member, indicating the local time in a time zone selected by the angular position of the first rotary member,
  • a third rotary member, displaying the local time simultaneously in each of said time zones in cooperation with the first rotary member,
  • a kinematic chain comprising the second and third rotary members,
  • a drive mechanism for driving the driveline from the drive member,
  • a correction mechanism for correcting the angular position of the first, second and third rotational members independently of driving the drive train from the drive member for a time zone change, and
  • a manual actuating member separate from the first rotary member and allowing manual actuation of the correction mechanism,
characterized in that the correction mechanism comprises a satellite carrier kinematically connected to the first rotary member, the planet carrier being immobilized during normal operation of the timepiece but rotated during the actuation of the correction mechanism, the planet carrier driving the first rotary member during actuating the correction mechanism, and in that the driving mechanism comprises a satellite carried by the planet carrier.

Le porte-satellite et le satellite forment ainsi un mécanisme différentiel permettant de supprimer les couples parasites dans le mécanisme d'entraînement lors de l'actionnement du mécanisme de correction et d'effectuer des changements de fuseau horaire dans les deux sens. De plus, du fait que le porte-satellite entraîne le premier organe rotatif lors de l'actionnement du mécanisme de correction, une construction simple de la pièce d'horlogerie selon l'invention peut être obtenue.The carrier and the satellite thus form a differential mechanism for suppressing parasitic couples in the drive mechanism when actuating the correction mechanism and for making time zone changes in both directions. In addition, because the planet carrier drives the first rotational member upon actuation of the correction mechanism, a simple construction of the timepiece according to the invention can be obtained.

Il a déjà été proposé dans le domaine de l'horlogerie d'utiliser un mécanisme différentiel pour permettre une correction par sauts de la position angulaire d'une aiguille d'heure indépendamment de son entraînement normal par le mouvement et indépendamment de l'aiguille des minutes ou d'une autre aiguille d'heure. Une telle utilisation est décrite dans les documents FR 1.589.638 , CH 617.815 , CH 664.468 , CH 672.867 , CH 674.290 et CH 689.710G . Aucune solution à mécanisme différentiel n'a toutefois été proposée pour l'affichage de l'heure universelle au sens de la présente invention, c'est-à-dire l'affichage simultané de l'heure locale dans chacun des fuseaux horaires combiné à l'affichage du fuseau horaire où l'on se trouve et à l'affichage de l'heure locale dans ce fuseau horaire. Avec ses trois organes rotatifs, dont le premier est relié cinématiquement au porte-satellite et les deux autres font partie d'une même chaîne cinématique entraînée par le satellite, la présente invention offre une solution simple et fiable pour remédier aux inconvénients que présentent les pièces d'horlogerie à affichage de l'heure universelle selon les documents CH 690.205 et EP 1.058.166 .It has already been proposed in the field of watchmaking to use a differential mechanism to enable a hopping correction of the angular position of a time hand independently of its normal drive by the movement and independently of the needle of the minutes or another hour hand. Such use is described in the documents FR 1.589.638 , CH 617.815 , CH 664.468 , CH 672.867 , CH 674.290 and CH 689.710G . No differential mechanism solution has however been proposed for the display of universal time in the sense of the present invention, that is to say the simultaneous display of the local time in each of the time zones combined with the time zone display and the local time display in this time zone. With its three rotary members, the first of which is kinematically connected to the satellite carrier and the two others forming part of the same kinematic chain driven by the satellite, the present invention offers a simple and reliable solution for overcoming the disadvantages of the parts. timepieces with universal time display according to the documents CH 690.205 and EP 1,058,166 .

Le premier organe rotatif est par exemple un disque portant des indications de villes correspondant aux fuseaux horaires.The first rotary member is for example a disc carrying indications of cities corresponding to time zones.

Le deuxième organe rotatif est par exemple une aiguille entraînée à raison d'un tour en douze heures.The second rotary member is for example a needle driven at a rate of one turn in twelve hours.

Le troisième organe rotatif est par exemple un disque portant des indications d'heures et entraîné à raison d'un tour en vingt-quatre heures.The third rotary member is, for example, a disk bearing hour indications and driven at the rate of one revolution in twenty-four hours.

Le porte-satellite peut comprendre une denture pour sa liaison cinématique avec le premier organe rotatif et être relié cinématiquement au premier organe rotatif au moyen d'un train d'engrenages.The carrier may comprise a toothing for its kinematic connection with the first rotary member and be kinematically connected to the first rotary member by means of a gear train.

Typiquement, le porte-satellite est immobilisé par un sautoir pendant le fonctionnement normal de la pièce d'horlogerie. Plus particulièrement, le porte-satellite engrène avec une roue de correction qui l'entraîne, et la roue de correction est solidaire d'une étoile coopérant avec le sautoir.Typically, the carrier is immobilized by a jumper during normal operation of the timepiece. More particularly, the carrier meshes with a correction wheel which drives it, and the correction wheel is secured to a star cooperating with the jumper.

L'organe d'actionnement manuel est par exemple une tige de mise à l'heure de la pièce d'horlogerie.The manual actuating member is for example a time setting rod of the timepiece.

Dans un mode de réalisation préférentiel, le porte-satellite est monté libre en rotation autour d'un mobile monté lui-même libre en rotation autour d'une chaussée, le mobile comprenant une première denture engrenant avec un pignon de minuterie et une deuxième denture engrenant avec le satellite, le satellite engrenant également avec un mobile d'entraînement du deuxième organe rotatif.In a preferred embodiment, the planet carrier is rotatably mounted around a mobile which is itself free to rotate around a roadway, the mobile comprising a first toothing meshing with a timer gear and a second toothing. meshing with the satellite, the satellite also meshing with a driving wheel of the second rotary member.

La pièce d'horlogerie selon l'invention peut comprendre en outre un quatrième organe rotatif, indicateur du quantième, faisant partie de la chaîne cinématique. Le quatrième organe rotatif est par exemple un disque portant des indications de quantième. De préférence, ce quatrième organe rotatif est entraîné de manière instantanée.The timepiece according to the invention may furthermore comprise a fourth rotary member, a date indicator, forming part of the kinematic chain. The fourth rotary member is for example a disc bearing date indications. Preferably, this fourth rotary member is driven instantaneously.

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée suivante faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue plane de dessus de l'affichage d'une pièce d'horlogerie à heure universelle selon l'invention, dans une première configuration d'affichage ;
  • la figure 2 est une vue plane de dessus de l'affichage de la pièce d'horlogerie à heure universelle selon l'invention, dans une deuxième configuration d'affichage ;
  • la figure 3 est une vue plane de dessus, en transparence, du mécanisme permettant l'entraînement et la correction de l'affichage ;
  • la figure 4 est une vue en coupe du mécanisme illustré à la figure 3, prise suivant la ligne IV-IV ;
  • la figure 5 est une vue en coupe du mécanisme illustré à la figure 3, prise suivant la ligne V-V.
Other features and advantages of the present invention will appear on reading the following detailed description given with reference to the accompanying drawings in which:
  • the figure 1 is a plan view from above of the display of a timepiece of universal time according to the invention, in a first display configuration;
  • the figure 2 is a plan view from above of the display of the timepiece of universal time according to the invention, in a second display configuration;
  • the figure 3 is a plan view from above, in transparency, of the mechanism for driving and correcting the display;
  • the figure 4 is a sectional view of the mechanism shown in figure 3 taken along line IV-IV;
  • the figure 5 is a sectional view of the mechanism shown in figure 3 , taken along the line VV.

En référence aux figures 1 et 2, une pièce d'horlogerie selon l'invention, typiquement une montre-bracelet, comprend un cadran fixe 1 entouré par un disque ou couronne rotatif de 24 heures 2 lui-même entouré par un disque ou couronne rotatif des villes 3. Le disque 3 porte les noms de 24 villes correspondant aux 24 fuseaux horaires. Le cadran 1 porte des numéros de « 1 » à « 12 » pour afficher, en coopération avec une aiguille de 12 heures 4, l'heure locale dans un fuseau horaire sélectionné correspondant en pratique au fuseau horaire où l'utilisateur se trouve. Dans le mode de réalisation illustré, le fuseau horaire sélectionné est celui de la ville dont le nom inscrit sur le disque des villes 3 est situé à midi. L'aiguille de 12 heures 4 est entraînée dans le sens horaire à raison d'un tour par 12 heures. Le disque de 24 heures 2 porte des numéros de « 1 » à « 24 » et est entraîné dans le sens anti-horaire à raison d'un tour par 24 heures. Le disque de 24 heures 2 et le disque des villes 3, ensemble, affichent l'heure locale simultanément dans tous les fuseaux horaires, l'heure locale dans un fuseau horaire donné étant indiquée par le numéro du disque de 24 heures 2 se situant en regard du nom de la ville correspondante. Des aiguilles conventionnelles des minutes 5 et des secondes 6 tournant au-dessus du cadran 1 coaxialement à l'aiguille de douze heures 4 et aux disques 2, 3 complètent l'affichage horaire. Le quantième du mois dans le fuseau horaire sélectionné est en outre affiché par un disque de quantième 7 tournant sous le cadran 1 en regard d'un guichet 8 pratiqué dans ledit cadran et portant des numéros de « 1 » à « 31 ».With reference to Figures 1 and 2 , a timepiece according to the invention, typically a wristwatch, comprises a fixed dial 1 surrounded by a disk or rotary ring of 24 hours 2 itself surrounded by a disk or rotary ring of the cities 3. The disk 3 is named after 24 cities corresponding to 24 time zones. The dial 1 has numbers from "1" to "12" to display, in cooperation with a 12 hour hand 4, the local time in a selected time zone corresponding in practice to the time zone where the user is located. In the illustrated embodiment, the time zone selected is that of the city whose name inscribed on the disk of the cities 3 is located at noon. The 12 hour hand 4 is driven clockwise at one turn per 12 hours. The 24-hour disk 2 has numbers from "1" to "24" and is driven counterclockwise at one turn per 24 hours. The 24-hour disc 2 and the disc of the cities 3, together, display the local time simultaneously in all time zones, the local time in a given time zone being indicated by the 24-hour disc number 2 lying in look at the name of the corresponding city. Conventional hands 5 minutes and 6 seconds rotating above the dial 1 coaxially with the twelve hour hand 4 and disks 2, 3 complete the time display. The date of the month in the selected time zone is further displayed by a date disc 7 rotating under the dial 1 opposite a window 8 made in said dial and bearing numbers from "1" to "31".

Ainsi, dans la configuration illustrée à la figure 1, les aiguilles de 12 heures 4, des minutes 5 et des secondes 6 indiquent l'heure du fuseau horaire de Paris, à savoir 4h15, et on peut lire sur le disque de 24 heures 2 et le disque des villes 3 que l'heure dans le fuseau horaire de New York, par exemple, est 22h15 et que l'heure dans le fuseau horaire de Moscou est 6h15. Dans la configuration illustrée à la figure 2, les aiguilles de 12 heures 4, des minutes 5 et des secondes 6 indiquent l'heure du fuseau horaire de New York, à savoir 22h15, et on peut lire sur le disque de 24 heures 2 et le disque des villes 3 que l'heure dans le fuseau horaire de Tokyo, par exemple, est 12h15 et que l'heure dans le fuseau horaire de Londres est 3h15.So, in the configuration illustrated in the figure 1 , the hands of 12 hours 4, minutes 5 and seconds 6 indicate the time of the time zone of Paris, namely 4h15, and one can read on the disc of 24 hours 2 and the disc of the cities 3 that the hour in the New York time zone, for example, is 22:15 and the time in the Moscow time zone is 6:15. In the configuration illustrated in figure 2 , the 12-hour hands 4, 5 minutes and 6 seconds indicate the time of the New York time zone, namely 22:15, and one can read on the disc of 24 hours 2 and the disc of the cities 3 that the time in the time zone of Tokyo, for example, is 12:15 and the time in the London time zone is 3:15.

En référence aux figures 3 à 5, le mouvement de la pièce d'horlogerie selon l'invention permettant l'entraînement et la correction de l'affichage décrit ci-dessus comprend, sur une platine 10, un organe moteur tel qu'un barillet 11, un échappement et un organe réglant (non représentés), un mécanisme d'entraînement pour entraîner l'aiguille des secondes 6, l'aiguilles des minutes 5, l'aiguille de 12 heures 4, le disque de 24 heures 2 et le disque de quantième 7 à partir de l'organe moteur et sous le contrôle de l'organe réglant, et un mécanisme de correction de la position du disque des villes 3, de l'aiguille de 12 heures 4, du disque de 24 heures 2 et du disque de quantième 7.With reference to Figures 3 to 5 , the movement of the timepiece according to the invention for driving and correcting the display described above comprises, on a plate 10, a motor member such as a barrel 11, an exhaust and an organ setting (not shown), a driving mechanism for driving the seconds hand 6, the minute hand 5, the 12 hour hand 4, the 24 hour disc 2 and the date disc 7 from the driving member and under the control of the regulating member, and a mechanism for correcting the position of the disc of the cities 3, the 12-hour hand 4, the 24-hour disc 2 and the date disc 7.

Le mécanisme d'entraînement comprend (cf. figures 3 et 4) un rouage de finissage dont seul le pignon de petite moyenne 12 est représenté (figure 5) et dont le mobile de secondes porte l'aiguille des secondes 6, une chaussée 13, une roue sur chaussée 14, une roue 15 et un pignon 16 de minuterie, un mobile de 12 heures comprenant une roue de 12 heures 17 et un pignon de 12 heures 18 solidaires l'un de l'autre, et le satellite 19 d'un engrenage différentiel. La chaussée 13 porte l'aiguille des minutes 5 faisant un tour par heure. La roue sur chaussée 14 est montée à friction sur la chaussée 13 et engrène avec le pignon de petite moyenne 12 qui l'entraîne. La chaussée 13 entraînée par le mouvement de la roue sur chaussée 14 entraîne par engrènement la roue de minuterie 15. Le mouvement de la roue de minuterie 15 est transmis au pignon de minuterie 16 qui lui est solidaire, et, par engrènement entre le pignon de minuterie 16 et la roue de 12 heures 17, au mobile de 12 heures 17-18 qui tourne ainsi à raison d'un tour par 12 heures. Le mobile de 12 heures 17-18 est monté librement en rotation autour du canon de la chaussée 13. Autour du mobile de 12 heures 17-18, entre la roue de 12 heures 17 et la denture du pignon de 12 heures 18, est monté un plateau porte-satellite 20 formant, avec le satellite 19, l'engrenage différentiel précité. Le porte-satellite 20 est libre en rotation par rapport au mobile de 12 heures 17-18 mais, en fonctionnement normal de la pièce d'horlogerie, est immobile par rapport à la platine 10. Une goupille excentrée 21 est fixée sur le porte-satellite 20. Autour de cette goupille 21 est monté librement en rotation le satellite 19, se présentant sous la forme d'un pignon dont la denture engrène à la fois avec le pignon de 12 heures 18 et avec le pignon 22 d'un mobile à canon de 12 heures 22-23 portant l'aiguille de 12 heures 4. Ainsi, entraîné par le mobile de 12 heures 17-18, le satellite 19 entraîne le mobile à canon de 12 heures 22-23 et donc l'aiguille de 12 heures 4. En variante, le mobile de 12 heures 17-18 pourrait être entraîné à une vitesse différente d'un tour par 12 heures, par exemple à une vitesse d'un tour par 24 heures, et le satellite 19 pourrait être sous la forme d'un mobile comprenant une roue et un pignon engrenant respectivement avec le pignon 22 du mobile à canon de 12 heures 22-23 et avec le mobile 17-18, ou inversement, pour assurer la multiplication ou démultiplication requise pour que l'aiguille de 12 heures 4 tourne à raison d'un tour par 12 heures.The drive mechanism comprises (cf. figures 3 and 4 ) a work train of which only the small average gear 12 is shown ( figure 5 ) and whose seconds hand carries the seconds hand 6, a roadway 13, a road wheel 14, a wheel 15 and a pinion 16 timer, a mobile 12 hours comprising a 12 hour wheel 17 and a pinion 12 hours 18 integral with each other, and the satellite 19 of a differential gear. Roadway 13 carries the minute hand 5 making one turn per hour. The road wheel 14 is frictionally mounted on the roadway 13 and meshes with the small average gear 12 which drives it. The roadway 13 driven by the movement of the road wheel 14 drives the timer wheel 15 by meshing. The movement of the timer wheel 15 is transmitted to the timer gear 16 which is integral therewith, and, by meshing between the timer gear 16 and the 12 o'clock wheel 17, to the 12 o'clock mobile 17-18 which thus rotates at exactly the right moment. one round per 12 hours. The 12 o'clock mobile 17-18 is mounted freely in rotation around the barrel of the roadway 13. Around the 12 o'clock mobile 17-18, between the 12 o'clock wheel 17 and the gear of the 12 o'clock pinion 18, is mounted a satellite carrier plate 20 forming, with the satellite 19, the aforementioned differential gear. The planet carrier 20 is free to rotate with respect to the 12-hour mobile 17-18 but, during normal operation of the timepiece, is stationary relative to the plate 10. An eccentric pin 21 is fixed to the carrier satellite 20. Around this pin 21 is mounted freely in rotation the satellite 19, in the form of a pinion whose gear meshes with both the pinion 12 hours 18 and the pinion 22 of a mobile to 12 o'clock gun 22-23 carrying the 12 o'clock hand 4. Thus, driven by the 12 o'clock mobile 17-18, the satellite 19 drives the 12 o'clock gun 22-23 and therefore the 12-hour hand. 4. As a variant, the 12-hour mobile 17-18 could be driven at a speed different from one revolution per 12 hours, for example at a speed of one revolution per 24 hours, and the satellite 19 could be under mobile form comprising a wheel and a gear meshing respectively with the pinion 22 of the mobil e to 12 o'clock gun 22-23 and with the mobile 17-18, or vice versa, to ensure the multiplication or gearing required for the 12-hour hand 4 rotates at a rate of one revolution per 12 hours.

Le mobile à canon de 12 heures 22-23 comporte également une roue 23 solidaire du pignon 22. Cette roue 23 engrène avec la roue 24 d'un mobile intermédiaire dont le pignon 25, solidaire de la roue 24, engrène avec une roue 26 pour l'entraîner à raison d'un tour par 24 heures. La roue 26 engrène avec le pignon 27 d'un mobile d'entraînement dont la roue 28, solidaire du pignon 27, engrène avec une denture intérieure 29 du disque de 24 heures 2 pour entraîner ce dernier à raison d'un tour par 24 heures dans le sens anti-horaire.The 12-22-hour gun carrier also has a wheel 23 integral with the pinion 22. This wheel 23 meshes with the wheel 24 of an intermediate wheel whose pinion 25, integral with the wheel 24, meshes with a wheel 26 for to train it at a rate of one turn per 24 hours. The wheel 26 meshes with the pinion 27 of a drive wheel whose wheel 28, integral with the pinion 27, meshes with an internal toothing 29 of the 24-hour disc 2 to drive the latter at a rate of one turn per 24 hours. counterclockwise.

La roue 26 fait partie d'un mobile d'entraînement du disque de quantième 7 comprenant un moyeu 30 monté libre en rotation autour d'un axe 31 fixe par rapport à la platine 10. A une extrémité axiale du moyeu 30 s'étend radialement un doigt d'entraînement 32 solidaire du moyeu 30 et formé de préférence d'un seul tenant avec celui-ci. Autour de l'autre extrémité axiale du moyeu 30 est fixée rigidement une came de saut instantané 33. La roue 26 est montée libre autour du moyeu 30, entre la came 33 et un épaulement 34 du moyeu 30. La roue 26 est toutefois liée à la came 33 de telle manière à pouvoir se déplacer en rotation par rapport à celle-ci seulement d'un angle prédéterminé. A cet effet, une goupille excentrée 35 chassée dans la came 33 passe dans une ouverture oblongue 36 pratiquée dans la roue 26 et ayant la forme d'un arc de cercle centré sur l'axe de la roue 26 (cf. figure 3).The wheel 26 is part of a drive wheel of the date disk 7 comprising a hub 30 mounted to rotate freely about an axis 31 fixed relative to the plate 10. At an axial end of the hub 30 extends radially a drive finger 32 integral with the hub 30 and preferably formed integrally therewith. Around the other axial end of the hub 30 is rigidly fixed an instantaneous jump cam 33. The wheel 26 is mounted freely around the hub 30, between the cam 33 and a shoulder 34 of the hub 30. The wheel 26 is, however, connected to the cam 33 so as to be rotatable relative thereto only by a predetermined angle. For this purpose, an eccentric pin 35 driven into the cam 33 passes into an oblong opening 36 formed in the wheel 26 and having the shape of a circular arc centered on the axis of the wheel 26 (cf. figure 3 ).

Comme montré à la figure 3, la came 33 comporte une première partie 37 en forme de portion de spirale s'éloignant du centre de la came jusqu'à un sommet, une deuxième partie convexe 38 se rapprochant du centre de la came à partir dudit sommet et une troisième partie 39 en forme de creux. Une bascule 40 pivotant en un point 41 est appliquée et maintenue en permanence contre la came 33 par un ressort 42. La bascule 40 coopère avec la came 33 par l'intermédiaire d'un galet 43.As shown in figure 3 the cam 33 has a first portion 37 in the form of a spiral portion extending from the center of the cam to an apex, a second convex portion 38 approaching the center of the cam from said apex and a third portion 39 shaped hollow. A rocker 40 pivoting at a point 41 is applied and maintained permanently against the cam 33 by a spring 42. The rocker 40 cooperates with the cam 33 via a roller 43.

Le disque de quantième 7 comporte une denture intérieure 44 coopérant avec le doigt d'entraînement 32 ainsi qu'avec un sautoir 45 de positionnement du disque de quantième 7. Du fait de la rotation continue de la roue 26 à raison d'un tour par 24 heures sous l'action du mobile à canon de 12 heures 22-23 exercée par l'intermédiaire du mobile 24-25, le doigt d'entraînement 32 rencontre une fois par jour, à minuit, une dent de la denture intérieure 44 du disque de quantième 7 pour entraîner ce dernier d'un pas. Plus précisément, chaque tour de rotation de la roue 26 se décompose en une succession de trois phases, à savoir :

  • une première phase, par exemple d'environ 18 heures, durant laquelle la goupille 35 est située à une première extrémité de l'ouverture oblongue 36, comme montré par les traits pointillés à la figure 3, et est poussée par la paroi de cette ouverture 36, ce qui entraîne la came 33 en rotation de manière solidaire avec la roue 26 dans le sens horaire et fait rouler le galet 43 sur la première partie 37 de la came 33 ; durant cette phase, la bascule 40 est soulevée par la première partie 37 de la came 33 ce qui arme le ressort 42 ;
  • une deuxième phase, commençant dès que le galet 43 passe le sommet de la came 33, durant laquelle le ressort 42, libéré de l'action qu'exerçait la première partie de came 37, se détend, faisant tomber la bascule 40 qui, en coopérant avec la deuxième partie de came 38, déplace brusquement la came 33 dans le sens horaire, permettant au doigt d'entraînement 32 solidaire de la came 33 de déplacer le disque de quantième 7 d'un pas ; durant cette phase, dite « instantanée » car très rapide, la goupille 35 se déplace dans l'ouverture oblongue 36 vers la deuxième extrémité de cette dernière sans entraîner la roue 26 ; à la fin de cette deuxième phase, le galet 43 vient se loger dans le creux 39 de la came 33, ce qui bloque la came 33 en rotation ; c'est cette position qui est illustrée à la figure 3, avec la goupille 35 dessinée en trait plein ;
  • une troisième phase, par exemple d'environ 6 heures, durant laquelle la roue 26, tournant toujours dans le sens horaire, rattrape progressivement la position angulaire de la came 33 jusqu'à ce que la première extrémité de l'ouverture 36 vienne en contact avec la goupille 35, ce contact constituant le début de la première phase du tour suivant de la roue 26.
The date disc 7 has an internal toothing 44 cooperating with the drive finger 32 as well as with a jumper 45 for positioning the date disc 7. Due to the continuous rotation of the wheel 26 at a rate of one revolution per second. 24 hours under the action of the 12-22 o'clock gun driven by means of the mobile 24-25, the driving finger 32 meets once a day, at midnight, a tooth of the internal toothing 44 of the date disc 7 to drive the latter by one step. More precisely, each turn of rotation of the wheel 26 is broken down into a succession of three phases, namely:
  • a first phase, for example about 18 hours, during which the pin 35 is located at a first end of the opening oblong 36, as shown by the dashed lines at the figure 3 , and is pushed by the wall of this opening 36, which drives the cam 33 in rotation in solidarity with the wheel 26 in the clockwise direction and rolls the roller 43 on the first portion 37 of the cam 33; during this phase, the rocker 40 is lifted by the first portion 37 of the cam 33 which arms the spring 42;
  • a second phase, starting as soon as the roller 43 passes the top of the cam 33, during which the spring 42, released from the action exerted by the first cam portion 37, relaxes, causing the rocker 40 to drop, cooperating with the second cam portion 38, suddenly moves the cam 33 clockwise, allowing the drive finger 32 integral with the cam 33 to move the date disk 7 by one step; during this phase, called "instant" because very fast, the pin 35 moves in the oblong opening 36 to the second end of the latter without driving the wheel 26; at the end of this second phase, the roller 43 is housed in the recess 39 of the cam 33, which blocks the cam 33 in rotation; this is the position that is illustrated in the figure 3 with the pin 35 drawn in full line;
  • a third phase, for example about 6 hours, during which the wheel 26, still rotating in the clockwise direction, gradually catches the angular position of the cam 33 until the first end of the opening 36 comes into contact with the pin 35, this contact constituting the beginning of the first phase of the next turn of the wheel 26.

Au lieu d'être instantané, comme décrit ci-dessus, l'entraînement du disque de quantième 7 pourrait être traînant. Dans ce cas, son mobile d'entraînement comporterait uniquement, en plus de la roue 26, un pignon solidaire de la roue 26 et qui engrènerait avec une denture intérieure correspondante du disque de quantième 7.Instead of being instantaneous, as described above, the drive of the date disc 7 could be dragging. In this case, its drive wheel would only include, in addition to the wheel 26, a pinion secured to the wheel 26 and which would mesh with a corresponding internal toothing of the date disc 7.

Ainsi, le mécanisme d'entraînement de la pièce d'horlogerie selon l'invention entraîne, à partir de l'organe moteur 11, une chaîne cinématique comprenant le mobile à canon de 12 heures 22-23 qui porte, donc entraîne, l'aiguille de 12 heures 4, le mobile intermédiaire 24-25, le mobile 26, 30, 32, 33 d'entraînement du disque de quantième 7 et le mobile 27-28 d'entraînement du disque de 24 heures 2.Thus, the drive mechanism of the timepiece according to the invention drives, from the drive member 11, a kinematic chain comprising the 12-22-hour gun carrier which carries, therefore drives, the 12 hour hand 4, the intermediate mobile 24-25, the mobile 26, 30, 32, 33 drive of the date disc 7 and the drive mobile 27-28 of the disc of 24 hours 2.

Le mécanisme de correction de la position du disque des villes 3, de l'aiguille de 12 heures 4, du disque de 24 heures 2 et du disque de quantième 7 comprend (cf. figures 3 et 5) le porte-satellite 20 et un mobile de correction 46-47-48. Le mobile de correction 46-47-48 comprend une roue de correction 46 qui engrène avec une denture périphérique du porte-satellite 20, une étoile 47 qui coopère avec un sautoir 49 pour maintenir immobile le mobile de correction 46-47-48 et donc le porte-satellite 20 en fonctionnement normal de la pièce d'horlogerie, et un pignon 48 solidaire de la roue 46 et de l'étoile 47. Le mobile de correction 46-47-48 peut être actionné par la tige de mise à l'heure 50 du mouvement par l'intermédiaire d'un rouage 51 lorsque la tige de mise à l'heure 50 est dans une position axiale intermédiaire entre la position poussée de remontage et la position tirée de mise à l'heure. Le rouage 51 est de type connu en soi. Il comprend un pignon de renvoi 52 avec lequel le pignon coulant 53 monté sur la tige de mise à l'heure 50 engrène dans les positions intermédiaire et tirée de la tige 50, un pignon 54 coaxial au mobile de correction 46-47-48 et entraîné par le pignon de renvoi 52 par l'intermédiaire d'un pignon 55, et un pignon 56 porté par une bascule 57 (visible uniquement sur la figure 5) coaxiale au pignon de renvoi 52. La bascule 57 est actionnée par la tirette 50a associée à la tige 50, cette tirette 50a coopérant avec une ouverture de forme (non représentée) de la bascule 57 pour que le pignon 56 engrène avec les pignons 48 et 54, les rendant ainsi solidaires, lorsque la tige 50 est dans les positions poussée et intermédiaire, ou en variante seulement lorsque la tige 50 est dans la position intermédiaire, et pour que le pignon 56 soit hors de contact des pignons 48 et 54 lorsque la tige 50 est dans la position tirée, ou en variante lorsque la tige 50 est dans les positions poussée et tirée, afin qu'une mise à l'heure n'actionne pas le mécanisme de correction selon l'invention. Un remontage du mouvement n'actionne pas non plus le mécanisme de correction du fait que, dans la position poussée de la tige 50, le pignon coulant 53 n'est pas en contact avec le pignon de renvoi 52.The mechanism for correcting the position of the disc of the cities 3, the 12-hour hand 4, the 24-hour disc 2 and the date disc 7 comprises (cf. figures 3 and 5 ) the planet carrier 20 and a correction mobile 46-47-48. The correction mobile 46-47-48 comprises a correction wheel 46 which meshes with a peripheral toothing of the planet carrier 20, a star 47 which cooperates with a jumper 49 to keep the correction mobile 46-47-48 stationary and therefore the planet carrier 20 in normal operation of the timepiece, and a pinion 48 integral with the wheel 46 and the star 47. The correction wheel 46-47-48 can be actuated by the screw rod. 50 hours of movement via a train 51 when the time setting rod 50 is in an intermediate axial position between the pushed up position and the pulled position setting time. The gear train 51 is of a type known per se. It comprises a pinion gear 52 with which the sliding pinion 53 mounted on the time setting rod 50 meshes in the intermediate positions and pulled from the rod 50, a pinion 54 coaxial with the correction wheel 46-47-48 and driven by the pinion gear 52 via a pinion 55, and a pinion 56 carried by a rocker 57 (visible only on the figure 5 ) The latch 57 is actuated by the pull tab 50a associated with the rod 50, this pull tab 50a cooperating with a shaped opening (not shown) of the rocker 57 so that the pinion 56 meshes with the pinions 48 and 54, thus making them integral, when the rod 50 is in the thrust and intermediate positions, or alternatively only when the rod 50 is in the intermediate position, and for the pinion 56 is out of contact with the pinions 48 and 54 when the rod 50 is in the pulled position, or alternatively when the rod 50 is in the pushed and pulled positions , so that a time setting does not operate the correction mechanism according to the invention. A reassembly of the movement does not actuate the correction mechanism either because, in the pushed position of the rod 50, the sliding pinion 53 is not in contact with the idler gear 52.

Ainsi, en tournant la tige de mise à l'heure 50 lorsqu'elle est dans sa position axiale intermédiaire, on peut déplacer par sauts le porte - satellite 20 en vainquant à chaque fois la force du sautoir 49.Thus, by turning the time setting rod 50 when it is in its intermediate axial position, it is possible to displace the planet carrier 20 by overcoming each time the force of the jumper 49.

La denture périphérique du porte-satellite 20 engrène également avec la roue 58 d'un mobile intermédiaire dont le pignon 59, solidaire de la roue 58, engrène avec le pignon 60 d'un mobile d'entraînement du disque des villes 3. La roue 61 du mobile d'entraînement 60-61, solidaire du pignon 60, engrène avec une denture intérieure 62 du disque des villes 3. Un sautoir 63 coopère avec la denture de la roue 61 pour positionner le disque des villes 3.The peripheral toothing of the planet carrier 20 also meshes with the wheel 58 of an intermediate wheel whose pinion 59, integral with the wheel 58, meshes with the pinion 60 of a drive wheel of the disk of the cities 3. The wheel 61 of the driving wheel 60-61, integral with the pinion 60, meshes with an internal toothing 62 of the disc of the cities 3. A jumper 63 cooperates with the toothing of the wheel 61 to position the disc of the cities 3.

De la sorte, chaque saut de déplacement du porte-satellite 20 réalisé par une rotation de la tige de mise à l'heure 50 fait se déplacer le disque des villes 3 d'un vingt-quatrième de tour, pour indiquer un changement de fuseau horaire, par la chaîne cinématique formée par le porte-satellite 20, le mobile intermédiaire 58-59 et le mobile d'entraînement 60-61. Simultanément, du fait de la résistance que lui oppose le mécanisme d'entraînement 12 à 18, le satellite 19 entraîné par le porte-satellite 20 roule sur la denture du pignon de 12 heures 18 sans perturber la rotation normale du mobile de 12 heures 17-18 ni le fonctionnement du reste du mécanisme d'entraînement. Ce mouvement du satellite 19 entraîne en rotation le mobile à canon de 12 heures 22-23, ce qui fait faire un saut de déplacement d'un douzième de tour à l'aiguille de 12 heures 4 et, par la chaîne cinématique 23 à 28, un saut de déplacement d'un vingt-quatrième de tour au disque de 24 heures 2. Si l'on se trouve à la fin d'un jour, le disque de quantième 7 effectuera aussi un saut de déplacement, d'un trente et unième de tour, au passage de l'aiguille de 12 heures 4 à minuit. Cette correction de la position du disque des villes 3, de l'aiguille de 12 heures 4, du disque de 24 heures 2 et du disque de quantième 7 s'effectue sans créer de couple parasite dans le mécanisme d'entraînement, grâce à l'engrenage différentiel 19-20.In this way, each jump of displacement of the planet carrier 20 carried out by a rotation of the time-setting rod 50 makes the disc of the towns 3 move by a twenty-fourth of a turn, to indicate a change of time zone. time, by the kinematic chain formed by the planet carrier 20, the intermediate mobile 58-59 and the driving mobile 60-61. At the same time, because of the resistance which the drive mechanism 12 to 18 sets against it, the satellite 19 driven by the planet carrier 20 rolls over the toothing of the 12 o'clock pinion 18 without disturbing the normal rotation of the 12 o'clock mobile. -18 nor the operation of the rest of the drive mechanism. This movement of the satellite 19 rotates the 12-22-hour gun, which causes a jump of movement of a twelfth of a turn to the 12-hour hand 4 and, by the driveline 23 to 28 , a jump of a twenty-fourth of a turn to the 24-hour disc 2. If we are at the end of a day, the date disc 7 will also make a jump of displacement, of a thirty-first of turn, with the passage of the needle of 12 hours 4 with midnight. This correction of the disc position of the cities 3, the 12 hour hand 4, the 24 hour disc 2 and the date disc 7 is performed without creating parasitic torque in the drive mechanism, thanks to the differential gear 19-20.

La correction peut s'effectuer dans les deux sens de rotation de la tige de mise à l'heure 50. Dans un premier sens, le disque des villes 3 et le disque de 24 heures 2 tourneront dans le sens anti-horaire tandis que l'aiguille de 12 heures 4 et, le cas échéant, le disque de quantième 7 tourneront dans le sens horaire. Dans l'autre sens de rotation de la tige de mise à l'heure 50, le disque des villes 3 et le disque de 24 heures 2 tourneront dans le sens horaire tandis que l'aiguille de 12 heures 4 et, le cas échéant, le disque de quantième 7 tourneront dans le sens anti-horaire.The correction can be made in both directions of rotation of the time-setting rod 50. In a first sense, the disc of the cities 3 and the disc of 24 hours 2 will turn counter-clockwise while the 12 hour hand 4 and, if necessary, the date disc 7 will rotate clockwise. In the other direction of rotation of the time-setting rod 50, the city disc 3 and the 24 hour disc 2 will turn clockwise while the 12 hour hand 4 and, if appropriate, the date disc 7 will turn counterclockwise.

Une mise à l'heure de la pièce d'horlogerie peut être effectuée en tournant la tige de mise à l'heure 50 lorsqu'elle est dans sa position axiale tirée de mise à l'heure. La rotation de la tige de mise à l'heure 50 actionne la roue de minuterie 15 par l'intermédiaire d'un rouage (non représenté), faisant ainsi tourner simultanément l'aiguille des minutes 5, l'aiguille de 12 heures 4, le disque de 24 heures 2 et la roue 26 du mobile d'entraînement du disque de quantième 7, le porte-satellite 20 et donc le disque des villes 3 restant eux immobiles.A time setting of the timepiece can be performed by turning the time setting rod 50 when it is in its axial position drawn time setting. The rotation of the time-setting rod 50 activates the timer wheel 15 via a gear train (not shown), thereby simultaneously turning the minute hand 5, the 12-hour hand 4, the 24 hours disk 2 and the wheel 26 of the drive wheel of the date disk 7, the planet carrier 20 and thus the disk of the cities 3 remaining stationary.

Dans une variante, on pourrait prévoir comme moyens d'actionnement du mécanisme de correction des moyens spécifiques tels que deux boutons poussoirs entraînant le mobile de correction 46-47-48 chacun dans un sens.In a variant, one could provide as means for actuating the correction mechanism specific means such as two push buttons driving the correction mobile 46-47-48 each in one direction.

Le disque des villes 3 pourrait aussi être entraîné par le porte-satellite 20 d'une autre manière, par exemple en étant solidaire de lui.The disc of the cities 3 could also be driven by the planet carrier 20 in another way, for example by being integral with it.

En variante, également, le disque de 24 heures 2 pourrait, en fonctionnement normal de la pièce d'horlogerie, être entraîné dans le sens horaire, plutôt qu'anti-horaire. Dans ce cas, la série de numéros « 1 » à « 24 » portée par ce disque serait inscrite dans le sens anti-horaire, plutôt qu'horaire. Lors d'une correction correspondant à un changement de fuseau horaire, le disque des villes 3 tournerait dans le même sens et du même angle que le disque de 24 heures 2, comme dans le mode de réalisation illustré aux dessins.Alternatively, also, the 24 hours disk 2 could, in normal operation of the timepiece, be driven in the clockwise direction, rather than the time. In this case, the series of numbers "1" to "24" carried by this disc would be written in a counter-clockwise rather than a clockwise direction. During a correction corresponding to a time zone change, the city disc 3 would turn in the same direction and the same angle as the disc 24 hours 2, as in the embodiment illustrated in the drawings.

Claims (13)

  1. Timepiece with universal time display comprising:
    - a drive member (11),
    - a first rotational member (3) with time zone markings,
    - a second rotational member (4) indicating the local time in a time zone selected by the angular position of the first rotational member (3),
    - a third rotational member (2) displaying the local time simultaneously in each of the said time zones in cooperation with the first rotational member (3),
    - a kinematic chain (4, 22-28, 2) comprising the second and third rotational members (4, 2),
    - a driving mechanism (12-19) to drive the kinematic chain (4, 22-28, 2) from the drive member (11),
    - a correction mechanism (20, 46-57) permitting correction of the angular position of the first, second and third rotational members (3, 4, 2) independently of the driving of the kinematic chain (4, 22-28, 2) from the drive member (11) for a change in time zone, and
    - a manual actuating member (50) distinct from the first rotational member (3) and permitting manual actuation of the correction mechanism,
    characterised in that the correction mechanism (20, 46-57) comprises a planet carrier (20) kinematically connected to the first rotational member (3), the planet carrier (20) being arranged to be immobilised during normal operation of the timepiece but rotationally driven when the correction mechanism (20, 46-57) is being actuated, the planet carrier (20) driving the first rotational member (3) when the correction mechanism (20, 46-57) is being actuated, and in that the driving mechanism (12-19) comprises a planet wheel (19) carried by the planet carrier (20).
  2. Timepiece as claimed in claim 1, characterised in that the first rotational member (3) is a disc with the names of towns corresponding to the time zones.
  3. Timepiece as claimed in claim 1 or 2, characterised in that the second rotational member (4) is a hand driven through one rotation in twelve hours.
  4. Timepiece as claimed in any one of claims 1 to 3, characterised in that the third rotational member (2) is a disc with hour markings and driven through one rotation in twenty four hours.
  5. Timepiece as claimed in any one of claims 1 to 4, characterised in that the planet carrier (20) has teeth for its kinematic connection to the first rotational member (3).
  6. Timepiece as claimed in claim 5, characterised in that the planet carrier (20) is kinematically connected to the first rotational member (3) by means of a gear train (58-62).
  7. Timepiece as claimed in any one of claims 1 to 6, characterised in that the planet carrier (20) is immobilised by a jumper (49) during normal operation of the timepiece.
  8. Timepiece as claimed in claim 7, characterised in that the planet carrier (20) meshes with a correction wheel (46) which drives it, and in that the correction wheel (46) is fixedly attached to a star wheel (47) cooperating with the jumper (49).
  9. Timepiece as claimed in any one of claims 1 to 8, characterised in that the manual actuating member (50) is a setting stem of the timepiece.
  10. Timepiece as claimed in any one of claims 1 to 9, characterised in that the planet carrier (20) is mounted to rotate freely about a mobile (17-18), itself mounted to rotate freely about a cannon pinion (13), the mobile (17-18) comprising first teeth meshing with a motion-work pinion (16) and second teeth meshing with the planet wheel (19), the planet wheel (19) also meshing with a mobile (22-23) for driving the second rotational member (4).
  11. Timepiece as claimed in any one of claims 1 to 10, characterised in that it also comprises a fourth rotational member (7), indicating the date, forming part of the kinematic chain (4, 22-28, 2).
  12. Timepiece as claimed in claim 11, characterised in that the fourth rotational member (7) is a disc with date markings.
  13. 3 Timepiece as claimed in claim 11 or 12, characterised in that the fourth rotational member (7) is driven instantaneously.
EP20100014744 2010-11-18 2010-11-18 Timepiece with universal time display Active EP2455823B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100014744 EP2455823B1 (en) 2010-11-18 2010-11-18 Timepiece with universal time display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100014744 EP2455823B1 (en) 2010-11-18 2010-11-18 Timepiece with universal time display

Publications (2)

Publication Number Publication Date
EP2455823A1 EP2455823A1 (en) 2012-05-23
EP2455823B1 true EP2455823B1 (en) 2013-08-07

Family

ID=43936875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100014744 Active EP2455823B1 (en) 2010-11-18 2010-11-18 Timepiece with universal time display

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Country Link
EP (1) EP2455823B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746872B1 (en) * 2012-12-19 2017-03-15 Chopard Technologies SA Clock piece with universal time display
CH707877A2 (en) 2013-04-11 2014-10-15 Patek Philippe Sa Geneve Timepiece to universal time.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1542567A4 (en) 1967-11-03 1970-04-30
CH515540A (en) * 1968-08-09 1971-07-30 Erard Raoul Henri Pièce d'horlogerie comprenant un organe indicateur complémentaire
DE1933049B2 (en) * 1969-06-30 1971-09-30 Durowe Gmbh, 7530 Pforzheim WORLD TIME CLOCK
CH689710B5 (en) 1994-01-26 2000-03-15 Erard Raoul Henri Watch including an indicator element complementary to the time display.
CH690205A5 (en) 1996-08-26 2000-05-31 Patek Philippe Sa Timepiece to universal time.
CH693191A5 (en) 1999-06-04 2003-03-27 Patek Philippe Sa Timepiece to universal time.

Also Published As

Publication number Publication date
EP2455823A1 (en) 2012-05-23

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