EP2751622B1 - Timepiece capable of displaying two time zones - Google Patents

Timepiece capable of displaying two time zones Download PDF

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Publication number
EP2751622B1
EP2751622B1 EP12756155.3A EP12756155A EP2751622B1 EP 2751622 B1 EP2751622 B1 EP 2751622B1 EP 12756155 A EP12756155 A EP 12756155A EP 2751622 B1 EP2751622 B1 EP 2751622B1
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EP
European Patent Office
Prior art keywords
time
lever
time zone
setting
display member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12756155.3A
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German (de)
French (fr)
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EP2751622A1 (en
Inventor
Julien Cattaneo
Marco La China
Denis Rudaz
Martin BREUILH
Frédéric JOLLIET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolex SA
Original Assignee
Rolex SA
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Publication date
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP12756155.3A priority Critical patent/EP2751622B1/en
Publication of EP2751622A1 publication Critical patent/EP2751622A1/en
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Publication of EP2751622B1 publication Critical patent/EP2751622B1/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
    • G04B19/223—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
    • G04B19/221—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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/023—Mechanical devices for setting the time indicating means by making use of the winding means changing of the winding position to the setting position and vice versa is done with an independant part of the winding or setting mechanism

Definitions

  • the invention relates to a time display device, in particular a timepiece, in particular a wristwatch, or a timepiece movement comprising a mechanism allowing the time display member to switch. between two time zones.
  • the European patent application published under no. EP 2 008 159 describes a wristwatch provided with a switching mechanism capable of selectively indicating the time of one or the other of two time zones by a single display member.
  • the single hour hand selectively displays either local time or the time of the second time zone, under the actuation of a push button.
  • the switching mechanism consists of a heart and two levers. The difference between local time and the time of the second time zone is determined by the relative position of one lever in relation to the other.
  • the switching mechanism described in the aforementioned document has the particular drawback of including display selection and adjustment mechanisms which are very complex and involve two differentials and a very large number of components.
  • the adjustment of each of the time zones is effected by means of separate correction chains, independent of the switching mechanism. It follows that it is possible to modify a time zone while the other time zone is displayed.
  • the European patent application published under no. EP 2362277 also describes a timepiece whose mechanism, under the actuation of a push button, is able to selectively indicate the time of one or the other of two time zones by the same hour hand.
  • the device implements a bistable hammer, as well as two core memory mobiles, each dedicated to a specific time zone, which are kinematically linked within a single gear chain which is engaged with an input of a differential.
  • the time difference between the two time zones is determined by the relative position of the two hearts which is driven by the bistable hammer.
  • Each of the memory mobiles also comprises the means for adjusting the time zone which is displayed by the timepiece.
  • the display switching and adjustment mechanisms described in the aforementioned document have the particular drawback of being separate from the hour and minute adjustment mechanism of the timepiece. As a result, this device can in no case be sufficient on its own and must be associated with a second mechanism so as to carry out all the settings of the timepiece.
  • this situation requires the presence of an additional adjustment member in addition to the member for adjusting the time zones, and therefore has an impact on the trim of the timepiece.
  • the major object of the invention is to provide a time display device, in particular a timepiece, such as a wristwatch, which is able to selectively display two time zones by means of a clock mechanism. simple switching and consisting of a limited number of components.
  • Another object of the invention is to provide a device for displaying the time of simple, reliable and robust construction which allows easy correction of one. and on the other, the time indications of the two time zones.
  • the display device is defined by claim 1.
  • a first lever and a second lever may each have an overall elongated shape.
  • the first lever may have an overall elongate shape and the second lever may have a spring portion.
  • the second lever can be constantly pressed against a first heart.
  • a winding pinion may be mounted on a control rod and may be integral in rotation with the latter.
  • control rod may comprise a sliding pinion provided with an edge toothing and a front toothing.
  • a display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.
  • a mask can be attached to the first lever or can cooperate with the latter.
  • the first and the second levers each generally have an elongated shape.
  • the first lever has an overall elongated shape and the second lever has a part forming a spring.
  • a notable aim of the invention is also to provide a time display device capable of adjusting or correcting only a time zone when it is displayed.
  • This object is achieved by providing in the time display device defined above a control rod which can occupy at least two positions, for example, a winding position and a time setting position, this control rod , in one of these positions, cooperating with the control unit in order to adjust the time selected by the latter and displayed by the display unit A1, A2. To avoid any risk of confusion in setting the time, actuation of the control unit is not possible when the control rod is in the time setting position.
  • the time display device comprises a first chain for adjusting the first time zone and a second chain for adjusting the second time zone.
  • the time display device comprises means for selecting the adjustment gear chain corresponding to the time zone selected and displayed by the display unit A1, A2 and by which the time setting is to be made. More particularly, one or the other of the two adjusting gear chains corresponding to the selected time zone may in particular include the means for adjusting the minute indication.
  • the setting of one or the other of the two time zones induces by the same operation the full time setting of the time display device.
  • This document also describes another time display device, in particular a timepiece or a timepiece movement, comprising a time display member, in particular a display member by means of 'movable elements, as well as a switching mechanism allowing the time display member to switch between two time zones, the device being distinguished by which further comprises a display member, in particular in terms of number of hours, of the difference between the two time zones.
  • the display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.
  • the device comprises a dial provided with a window and a mask provided between the display member and a dial of the time display device, to mask or not, depending on the position of the lever, the part of the display unit located opposite the window.
  • This mask can optionally be attached to the first lever or cooperate with the latter, in particular by means of an appropriate gear.
  • a first embodiment of the display device 300 according to the invention is shown in the figures 1 , 2 and 3 .
  • the display device is part of a timepiece 300, in particular a wristwatch or is such a timepiece 300.
  • the display device is also part of a timepiece movement 200 or is such a timepiece movement. , the watch movement itself forming part of the timepiece 300.
  • the display device comprises a switching mechanism 100 comprising two cores 3 and 4, the angular offset of which defines the time difference between the two time zones.
  • the heart 3 is designed to cooperate with a first end 1a of a first lever 1 and the heart 4 with the first end 2a of a second lever 2.
  • These first and second levers 1, 2 are generally elongated in shape and they are integral with one another, in particular fixed one on the other.
  • the first lever 1 is mounted on the second lever 2, the latter pivoting at a second end 2b on an axis 39 fixed to the frame of the movement.
  • a second end 1b located on an arm of the lever 1 is positioned, under the constraint of a spring 6, by a two-position selection member 5, in this case a column wheel 5.
  • the second end 1b located on the arm of lever 1 is positioned or biased, under the stress of a spring 6, in one of the hollows 5a of the column wheel 5, the binary profile of which is formed by an alternation of hollows 5a and columns 5b.
  • the end 2a of the second lever 2 rests on the flat of the heart 4 and the hour hand A1 of the display member displays the time of the first time zone.
  • this column wheel 5 has teeth 11 located in a plane perpendicular to the longitudinal axes of the columns 5b and which is angularly indexed by a jumper 12.
  • the column wheel 5 is designed to be actuated and driven unidirectionally by an angular step by the push-button P by means of a lever 36 having a hook-shaped end 13. It is of course entirely conceivable to drive this binary selection member 5 bidirectionally in two angular positions by means of a suitable control device.
  • Such a solution makes it possible to implement, for example, a column wheel 5 provided with a single and unique column.
  • Such a solution also makes it possible to replace the columns by a set of teeth which is kinematically linked to a set of teeth integral with the lever 1, that is to say a set of teeth whose teeth determine, by contact with the lever 1, the position of the lever 1. . It is also of course quite possible to reverse the mounting of levers 1 and 2, to pivot lever 1 around axis 39, and to bring the arm cooperating with the column wheel to lever 2.
  • Cores 3 and 4 are coaxial and mobile in rotation independently of one another.
  • the heart 4 is integral with the wheel 7, in particular fixed on the wheel 7, while the heart 3 is integral with the star 8, in particular fixed on the star 8.
  • the latter is engaged with the wheel 7 by the intermediate of a jumper 9 pivoted at 10 on the plate of the wheel 7.
  • the watch movement provides the time indication by means of a roadway 27 and a traditional timer mobile comprising a wheel 28 secured to a pinion 32.
  • the hour hand A1 is mounted integrally on the axis of the clock. output wheel 29 of a differential 29,30,33,34, so that it can take two angular positions under the action of the wheel 7 meshing with a toothing 30b of the input wheel of the differential 30 .
  • the differential 29,30,33,34 is a spherical differential of known type.
  • hand A1 indicates the time by means of the timer pinion 32 which meshes with the planet wheel 33.
  • This wheel 33 is transmitted to the output wheel 29 of the differential by means of planet wheels 34 which are engaged, on the one hand, with the front teeth 29a of the wheel 29 and, on the other hand, with a front toothing 30a provided on the input wheel 30 of the differential.
  • one of the features of the invention is that the time display device makes it possible to selectively correct only the time zone which is displayed by means of a dedicated gear chain, which constitutes a significant advantage over the mechanisms of the state of the art.
  • the control rod T of the device can occupy a winding position I and a position II for setting the time of one or the other of the time zones.
  • the watch is wound up by means of a winding pinion (not visible on the fig. 6 ) whose ratchet toothing is engaged with the ratchet toothing 14a of a sliding pinion 14 which is mounted squarely on the rod T and which is further provided with a front toothing 14b opposite to the ratchet toothing 14a.
  • This rod-sliding pinion-winding pinion device is well known.
  • the configuration shown corresponds to position II or correction position or adjustment of the first time zone.
  • the passage from position I to position II is effected by pulling on the control rod T.
  • a first pull-tab 15 is rotated by a first end 15a.
  • This first zipper 15 is pivoted in the plate of the timepiece, at the level of the pivot 15c.
  • a first end 16a of a second pull 16 is mounted on the first pull-tab 15 to rotate freely.
  • the positions of the rod T are defined by the notching produced by the jumper 17 cooperating in a known manner with the first pull tab 15 at its second end 15b.
  • the second pull tab 16 has a second end 16b which cooperates with a first latch 18 by means of a pin 19 provided to move in a V-shaped slot 20 of latch 18, which slot 20 thus forms a cam path.
  • a second rocker 21 is mounted to rotate freely by a first end 21a under a first end 18a of the first rocker 18.
  • a second end 18b of the first lever 18 carries a return wheel 23 adapted to cooperate with the front teeth 14b of the sliding pinion 14 and an intermediate wheel 35.
  • a second end 21b of the second lever 21 is disposed in a groove 22 formed in the sliding pinion 14, between its two teeth 14a and 14b.
  • the second zipper 16 drives the second lever 21 so as to press the ratchet teeth 14a of the sliding pinion 14 against the winding pinion (not shown in the figure).
  • the second zipper 16 can take two angular positions under the effect of a return spring 24 and a feeler 25, a first end 25a of which is rotatably mounted on the second zipper 16 by means of the axis 19 and a second end 25b cooperates with the two-position selection member 5, in this case the column wheel 5 by means of a pin 26.
  • the probe 25 comprises between its first 25a and second 25b ends, an oblong hole 37 allowing it to be guided by a pin 38 fixed to the plate of the timepiece.
  • Each of the two aforementioned angular positions corresponds to a time zone, and to the adjustment of this time zone by means of a dedicated gear chain.
  • the angular position of the second zipper 16 which allows the mechanism to correct the first time zone is visible on the figure 1 .
  • the arrangement of the feeler 25, the column wheel 5 and the rocker 18 is provided so that, when the pin 26 is in one of the hollows 5a of the column wheel 5, the second pull tab 16 places the pin 19 at a second end of the slot 20 and thus positions the rockers 18 and 21 so that the chain for adjusting or correcting the first time zone is engaged.
  • This chain passes through the return 23, the intermediate wheel 35 and the timing wheel 28, 32 which is kinematically linked to the planet wheel 33 of the differential.
  • a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.
  • the lever 1 is arranged such that its end 1b is located in a hollow 5a of the wheel 5 different from that where the pin 26 is located.
  • the end 2a of the lever 2 then presses on the heart 4 which corresponds to the display of the first time zone.
  • a rotation of the control rod T induces the rotation of the wheel 7 relative to the star 8, which is maintained in its position, and generates the rapid correction of the hour hand A1 in steps of one hour .
  • the notching is defined by the angular pitch of the star 8 and the elasticity of the jumper 9. Due to the differential 29,30,33,34, the wheel 33 and the minute hand A2 remain stationary.
  • the lever 1 is arranged such that its end 1b rests against one of the columns 5b of the column wheel 5 which is different from that against which the pin 26 rests.
  • the end of the lever 1 then presses on the heart 3 which corresponds to the display of the second time zone.
  • the switching mechanism and that of correcting or adjusting the time zone are always in phase and there is no risk of modifying the time of a zone when it is not indicated by the needle A1.
  • the chain for correcting or adjusting one or the other of the two time zones can advantageously be kinematically linked to the timer mobile 28, 32.
  • a rotation of the rod T causes a lagging time setting. of the A1 hour hand as well as the A2 minute hand, and in fact allows the adjustment of one or the other of the two time zones.
  • the system according to the invention allows, in a single operation, the selection of the display of one of the two time zones and the selection of the mechanism capable of correcting the displayed zone. Moreover, this system does not require any additional mechanism provided for setting the hour and minutes of the time display device, and does not require any additional adjustment device.
  • this cooperation of the switching mechanism with the correction mechanism has the advantage of simplifying the design and reducing the number of parts compared to the mechanisms known from the state of the art which only allow the switching of the display, or the correction of one or the other of the two time zones independently of the hour and minute setting mechanism.
  • the first lever 1 still has an overall elongated shape, but the second lever 42 has a part forming a return spring 42b.
  • first lever 1 and the second lever 42 are fixed on different axes.
  • the first lever 1 is mounted to pivot on an axis 49, while the second lever 42 is mounted to pivot on an axis 43 fixed on the wheel 7 and comprises a part forming a return spring 42b which is preloaded by a pin 47.
  • the end 42a of the second lever 42 is constantly resting against the heart 4. It is of course quite conceivable to reduce the lever 42 to its end 42a and to its pivot axis and to make it cooperate with a spring.
  • the heart 4 is integral with a wheel 44 located under the wheel 7 and meshing with a return wheel 45 integral with the star 8, the latter being angularly indexed by the jumper 58 fixed to the frame of the movement.
  • the second end 1b located on a foot of the first lever 1 is positioned by a two-position selection member 5, in this case a column wheel 5.
  • a two-position selection member 5 in this case a column wheel 5.
  • the second end 1b is positioned in one of the hollows 5b of the profile of the column wheel 5, under the stress of the spring 46 and due to the pivoting of the lever 1 around the axis 49.
  • Pressing the push button P induces the rotation of an angular pitch of the column wheel 5, which has the consequence of pushing the end 1b of the lever 1 back onto a column 5b of the profile of the column wheel 5, d 'thus remove the end 1a of this lever 1 from the core 3 and thereby cancel its action on this core 3.
  • the first lever 1 has the specific feature of controlling, in addition to switching the time display, the correction mechanism which is associated with the displayed time zone, role that was fulfilled in the embodiment of the figure 1 mainly by the probe 25.
  • control rod T comprises a sliding pinion 14 with opposing teeth 14a, 14b such as that designated by the number 14 in the embodiment shown in the figures. figures 1 to 6 , it is possible to use instead of this sliding pinion 14 a winding pinion integral in rotation with the control rod T independently of the sliding pinion and a sliding pinion having an edge toothing and a front toothing.
  • FIG. 7 On figures 7 to 14 is visible a winding pinion 51 which is mounted square on the stem T.
  • the sliding pinion 52 comprises an edge toothing 52a and a front toothing 52b (this is clearly visible on the figures 7 and 9 ).
  • Winding the watch when the stem is in position I ( figures 9 and 10 ), is provided by means of the winding pinion 51 which is kinematically linked to the winding chain by means of its front teeth 51a.
  • the sliding pinion 52 is arranged so as not to engage any gear, either through its edge teeth 52a, or through its front teeth 52b.
  • the winding mechanism is then disengaged by means of a clutch which is perpendicular to the longitudinal axis of the control rod (T).
  • a clutch which is perpendicular to the longitudinal axis of the control rod (T).
  • a rocker 53 carries a cam 54 pivotally mounted on a pin 55 fixed to this rocker.
  • This cam 54 is held in position under the stress of a spring 56.
  • the latter cooperates with a pin 57 fixed to the cam 54 so as to press the surface 54a of the cam 54 against a flank 53a of the lever 53.
  • One end 50a of the pull tab 50 comes into contact with a second end 54b of the cam 54.
  • rocker 53 and the cam 54 pivot around the axis 53 'on which the rocker 53 is mounted.
  • This correction chain passes through the timer mobile 28, 32 which is kinematically linked to the planet wheel 33 of the differential.
  • a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.
  • the first lever 1 the end of which 1b bears against one of the columns 5b, comprises an arm 1c.
  • This correction chain passes through the wheel 44, which is integral in rotation with the star 8 and the wheel 7 through the heart 4 and the lever 42.
  • a rotation of the control rod T generates the adjustment of the second time zone by means of the rapid correction of the A1 hour hand in one hour steps.
  • the notching is defined by the angular pitch of the star 8 and the elasticity of a jumper 58 cooperating therewith.
  • the axial position of the sliding pinion 52 differs depending on whether the push-button P selects the first or the second time zone, so that the sliding pinion 52 can drive, respectively, the wheel 35 of the cog chain correction of the first time zone, by means of its front toothing 52b, or the return wheel 59 of the chain for correcting or adjusting the second time zone, by means of its edge teeth 52a.
  • the essential difference compared to the first variant is that the time display device has only one heart 3.
  • the sides of the first and second levers 1, 42 cooperate with the profile of the single core 3.
  • this core 3 can be provided with a thickness greater than that of the core 3 of the other variants.
  • the shape of lever 1 may have been modified.
  • an additional reduction gear train is provided intended to cooperate with the toothing 29b of the output wheel 29 of the differential (cf. figure 5 ).
  • This cog train is designed to indicate the time in the time zone selected over a 24-hour cycle by means of an additional A3 hand.
  • star 8 which we have seen in the previous variants that it memorizes the time difference between the two time zones, is integral with a wheel meshing with a disk D.
  • the first time zone can then be defined as being the reference time zone and the second time zone as being that of a place in which the wearer of the watch is required to stay and which is adjusted relative to the first reference time zone.
  • the time difference display disk D is kinematically linked to the fast correction star of the second time zone 8 by means of the additional wheel 45 '.
  • the disc D is graduated over an amplitude of 24 hours and the notching of the two indicator members A1 and D is only defined by the angular pitch of the star 8 which cooperates with the return spring 58.
  • the time difference indication is visible through a window G which is located at 3 o'clock on the dial ( fig. 18 ).
  • the disk D is not covered by a mask M.
  • This mask M can be attached to the lever 1 or cooperate with the latter, in particular by means of an appropriate gear train.
  • This lever 1 has a perfectly defined angular position for each of the two time zones due to the cooperation of the end 1b of the lever 1 and of the profile 5a, 5b of the column wheel 5.
  • the mask M is arranged so not to cover the indication of the disc D appearing within the window G when the end 1b of the lever 1 is positioned against one of the columns of the profile 5b of the column wheel 5 ( fig. 14 ), configuration which corresponds to the selection of the display of the second time zone.
  • the time difference indicating disk D which is displayed intermittently, has an operation similar to that of a disk displaying the time difference permanently.
  • the watch shown on figure 20 indicates that it is 07:50 in the reference time zone UTC 0, in London for example.
  • Pressing push-button P displays the time of the place in which the wearer is staying while revealing the number of hours separating this second zone from the reference time zone.
  • the watch On the figure 21 , the watch then indicates that it is 11:50 in Dubai (UTC + 4).
  • a selection body with two positions An example of such a member is a column wheel. It is clear that such a member can occupy more than two positions, in particular 12 distinct positions for a 6 column wheel, a first set of 6 positions such that the first lever is in a first given position and a second set of 6. positions such that the first lever is in a second given position. It is clear that “two-position selection member” covers any selection member capable of positioning the first lever in at least two distinct positions, in particular at least two distinct stable positions.
  • the device according to the invention makes it possible to select the mechanism for correcting the displayed time zone, in particular the gear chain for adjusting or correcting the displayed time zone, by means of the same switching mechanism.
  • the mechanism for adjusting or correcting one or the other of the two time zones may in particular be a mechanism for adjusting the hour which is associated with that of the minutes.

Description

L'invention concerne un dispositif d'affichage de l'heure, notamment une pièce d'horlogerie, en particulier une montre-bracelet, ou mouvement d'horlogerie comportant un mécanisme permettant à l'organe d'affichage de l'heure de commuter entre deux fuseaux horaires.The invention relates to a time display device, in particular a timepiece, in particular a wristwatch, or a timepiece movement comprising a mechanism allowing the time display member to switch. between two time zones.

Arrière-plan de l'inventionBackground of the invention

La demande de brevet européen publiée sous le n° EP 2 008 159 décrit une montre-bracelet munie d'un mécanisme de commutation capable de faire indiquer sélectivement l'heure de l'un ou l'autre de deux fuseaux horaires par un même organe d'affichage. L'unique aiguille des heures affiche sélectivement soit l'heure locale, soit l'heure du deuxième fuseau horaire, sous l'actionnement d'un bouton poussoir. Le mécanisme de commutation comprend un cœur et deux leviers. Le décalage entre l'heure locale et l'heure du deuxième fuseau horaire est déterminé par la position relative d'un levier par rapport à l'autre.The European patent application published under no. EP 2 008 159 describes a wristwatch provided with a switching mechanism capable of selectively indicating the time of one or the other of two time zones by a single display member. The single hour hand selectively displays either local time or the time of the second time zone, under the actuation of a push button. The switching mechanism consists of a heart and two levers. The difference between local time and the time of the second time zone is determined by the relative position of one lever in relation to the other.

Le mécanisme de commutation décrit dans le document précité a notamment pour inconvénient d'inclure des mécanismes de sélection et de réglage de l'affichage qui sont très complexes et font intervenir deux différentiels et un nombre très important de composants. De plus, le réglage de chacun des fuseaux s'effectue au moyen de chaînes de correction distinctes, indépendantes du mécanisme de commutation. Il s'ensuit qu'il est possible de modifier un fuseau horaire alors que c'est l'autre fuseau horaire qui est affiché.
La demande de brevet européen publiée sous le n° EP 2362277 décrit également une pièce d'horlogerie dont le mécanisme, sous l'actionnement d'un bouton poussoir, est capable de faire indiquer sélectivement l'heure de l'un ou l'autre de deux fuseaux horaires par la même aiguille des heures. Le dispositif met en œuvre un marteau bistable, ainsi que deux mobiles de mémoire à cœur, chacun dédiés à un fuseau horaire spécifique, qui sont liés cinématiquement au sein d'une seule et même chaîne de rouage qui est en prise avec une entrée d'un différentiel. Le décalage horaire entre les deux fuseaux horaires est déterminé par la position relative des deux cœurs qui est pilotée par le marteau bistable. Chacun des mobiles de mémoire comporte également les moyens de réglage du fuseau horaire qui est affiché par la pièce d'horlogerie.
Les mécanismes de commutation et de réglage de l'affichage décrits dans le document précité ont notamment pour inconvénient d'être dissociés du mécanisme de réglage de l'heure et des minutes de la pièce d'horlogerie. De ce fait, ce dispositif ne peut en aucun cas se suffire à lui-même et doit être associé à un deuxième mécanisme de façon à effectuer l'ensemble des réglages de la pièce d'horlogerie. Par ailleurs, cette situation exige la présence d'un organe de réglage additionnel en complément de l'organe de réglage des fuseaux horaires, et a donc des impacts sur l'habillage de la pièce d'horlogerie.The switching mechanism described in the aforementioned document has the particular drawback of including display selection and adjustment mechanisms which are very complex and involve two differentials and a very large number of components. In addition, the adjustment of each of the time zones is effected by means of separate correction chains, independent of the switching mechanism. It follows that it is possible to modify a time zone while the other time zone is displayed.
The European patent application published under no. EP 2362277 also describes a timepiece whose mechanism, under the actuation of a push button, is able to selectively indicate the time of one or the other of two time zones by the same hour hand. The device implements a bistable hammer, as well as two core memory mobiles, each dedicated to a specific time zone, which are kinematically linked within a single gear chain which is engaged with an input of a differential. The time difference between the two time zones is determined by the relative position of the two hearts which is driven by the bistable hammer. Each of the memory mobiles also comprises the means for adjusting the time zone which is displayed by the timepiece.
The display switching and adjustment mechanisms described in the aforementioned document have the particular drawback of being separate from the hour and minute adjustment mechanism of the timepiece. As a result, this device can in no case be sufficient on its own and must be associated with a second mechanism so as to carry out all the settings of the timepiece. Moreover, this situation requires the presence of an additional adjustment member in addition to the member for adjusting the time zones, and therefore has an impact on the trim of the timepiece.

Exposé sommaire de l'inventionBrief description of the invention

L'invention a pour but majeur de proposer un dispositif d'affichage de l'heure, notamment une pièce d'horlogerie, telle qu'une montre-bracelet, qui soit apte à afficher sélectivement deux fuseaux horaires au moyen d'un mécanisme de commutation simple et constitué d'un nombre limité de composants. L'invention a également pour but de proposer un dispositif d'affichage de l'heure de construction simple, fiable et robuste qui permette une correction aisée de l'une et de l'autre des indications d'heure des deux fuseaux horaires.The major object of the invention is to provide a time display device, in particular a timepiece, such as a wristwatch, which is able to selectively display two time zones by means of a clock mechanism. simple switching and consisting of a limited number of components. Another object of the invention is to provide a device for displaying the time of simple, reliable and robust construction which allows easy correction of one. and on the other, the time indications of the two time zones.

Selon un premier aspect de l'invention, le dispositif d'affichage est défini par la revendication 1.According to a first aspect of the invention, the display device is defined by claim 1.

Différents modes de réalisation sont définis par les revendications 2 à 15.Different embodiments are defined by claims 2 to 15.

Dans les différents modes de réalisation, un premier levier et un deuxième levier peuvent présenter chacun globalement une forme allongée.In the various embodiments, a first lever and a second lever may each have an overall elongated shape.

Dans les différents modes de réalisation, le premier levier peut présenter globalement une forme allongée et le deuxième levier peut présenter une partie formant ressort.In the various embodiments, the first lever may have an overall elongate shape and the second lever may have a spring portion.

Dans les différents modes de réalisation, le deuxième levier peut être constamment en appui contre un premier cœur.In the various embodiments, the second lever can be constantly pressed against a first heart.

Dans les différents modes de réalisation, un pignon de remontoir peut être monté sur une tige de commande et peut être solidaire en rotation avec celle-ci.In the various embodiments, a winding pinion may be mounted on a control rod and may be integral in rotation with the latter.

Dans les différents modes de réalisation, la tige de commande peut comprendre un pignon coulant muni d'une denture de chant et d'une denture frontale.In the various embodiments, the control rod may comprise a sliding pinion provided with an edge toothing and a front toothing.

Dans les différents modes de réalisation, un organe d'affichage coopère avec un organe de commande de façon à n'être visible que lorsque l'un des deux fuseaux horaires est affiché.In the various embodiments, a display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.

Dans les différents modes de réalisation, un masque peut être fixé sur le premier levier ou peut coopérer avec ce dernier.In the various embodiments, a mask can be attached to the first lever or can cooperate with the latter.

Selon l'invention, le but précité est atteint au moyen d'un dispositif d'affichage de l'heure pourvu d'un mécanisme de commutation comportant entre autres :

  • un cœur mobile en rotation, relié à l'organe d'affichage par une chaîne cinématique,
  • un premier levier ayant une première extrémité agencée pour coopérer avec le cœur en vue de faire indiquer à l'organe d'affichage l'heure de l'un des deux fuseaux horaires,
  • un deuxième levier prévu pour faire indiquer à l'organe d'affichage l'heure de l'autre fuseau horaire,
  • un organe de sélection à deux positions ou organe de sélection binaire, par exemple une roue à colonnes, ou encore un organe bistable, notamment une navette, coopérant avec le premier levier et le positionnant selon l'une ou l'autre de deux positions stables, et
  • un organe de commande, par exemple un bouton-poussoir, permettant de sélectionner l'un ou l'autre des fuseaux horaires à afficher et coopérant avec l'organe de sélection à deux positions, ce dispositif se distinguant en ce que l'organe de sélection à deux positions est agencé pour coopérer directement avec une deuxième extrémité du premier levier.
According to the invention, the aforementioned object is achieved by means of a time display device provided with a switching mechanism comprising, among others:
  • a rotating mobile heart, connected to the display member by a kinematic chain,
  • a first lever having a first end arranged to cooperate with the heart with a view to making the display member indicate the time of one of the two time zones,
  • a second lever provided to make the display unit indicate the time in the other time zone,
  • a two-position selection member or binary selection member, for example a column wheel, or a bistable member, in particular a shuttle, cooperating with the first lever and positioning it in one or the other of two stable positions , and
  • a control member, for example a push-button, making it possible to select one or other of the time zones to be displayed and cooperating with the two-position selection member, this device being distinguished in that the control member two-position selection is arranged to cooperate directly with a second end of the first lever.

Grâce à cette coopération directe entre le premier levier et l'organe de sélection à deux positions, il est possible de simplifier grandement le mécanisme, notamment, en réduisant sensiblement le nombre de pièces impliquées.Thanks to this direct cooperation between the first lever and the two-position selection member, it is possible to greatly simplify the mechanism, in particular, by significantly reducing the number of parts involved.

Selon un premier mode de réalisation de l'invention, le premier et le deuxième leviers présentent chacun globalement une forme allongée.According to a first embodiment of the invention, the first and the second levers each generally have an elongated shape.

Selon un deuxième mode de réalisation de l'invention, le premier levier présente globalement une forme allongée et le deuxième levier présente une partie formant ressort.According to a second embodiment of the invention, the first lever has an overall elongated shape and the second lever has a part forming a spring.

Un but notable de l'invention est également de proposer un dispositif d'affichage de l'heure apte à régler ou corriger uniquement un fuseau horaire lorsque celui-ci est affiché.A notable aim of the invention is also to provide a time display device capable of adjusting or correcting only a time zone when it is displayed.

Ce but est atteint en prévoyant dans le dispositif d'affichage de l'heure défini précédemment une tige de commande pouvant occuper au moins deux positions, par exemple, une position de remontage et une position de réglage de l'heure, cette tige de commande, dans l'une de ces positions, coopérant avec l'organe de commande en vue de régler l'heure sélectionnée par ce dernier et affichée par l'organe d'affichage A1,A2. Afin d'éviter tout risque de confusion dans le réglage de l'heure, l'actionnement de l'organe de commande n'est pas possible lorsque la tige de commande est dans la position de réglage de l'heure.This object is achieved by providing in the time display device defined above a control rod which can occupy at least two positions, for example, a winding position and a time setting position, this control rod , in one of these positions, cooperating with the control unit in order to adjust the time selected by the latter and displayed by the display unit A1, A2. To avoid any risk of confusion in setting the time, actuation of the control unit is not possible when the control rod is in the time setting position.

Le dispositif d'affichage de l'heure comprend une première chaîne de rouage de réglage du premier fuseau horaire et une deuxième chaîne de rouage de réglage du deuxième fuseau horaire.The time display device comprises a first chain for adjusting the first time zone and a second chain for adjusting the second time zone.

Selon un mode de réalisation avantageux de l'invention, le dispositif d'affichage de l'heure comprend des moyens de sélection de la chaîne de rouage de réglage correspondant au fuseau horaire sélectionné et affiché par l'organe d'affichage A1, A2 et par laquelle le réglage de l'heure doit être effectué. Plus particulièrement, l'une ou l'autre des deux chaînes de rouage de réglage correspondant au fuseau sélectionné peut notamment inclure les moyens de réglage de l'indication des minutes. Ainsi, le réglage de l'un ou l'autre des deux fuseaux horaires induit par la même opération la mise à l'heure complète du dispositif d'affichage de l'heure.According to an advantageous embodiment of the invention, the time display device comprises means for selecting the adjustment gear chain corresponding to the time zone selected and displayed by the display unit A1, A2 and by which the time setting is to be made. More particularly, one or the other of the two adjusting gear chains corresponding to the selected time zone may in particular include the means for adjusting the minute indication. Thus, the setting of one or the other of the two time zones induces by the same operation the full time setting of the time display device.

Il convient de souligner que le dispositif décrit ci-dessous n'est pas couvert par les revendications. Le dispositif ne représente donc pas un mode de réalisation de l'invention, mais un exemple utile à la compréhension de l'invention. Le présent document décrit aussi un autre dispositif d'affichage de l'heure, notamment une pièce d'horlogerie ou un mouvement d'horlogerie, comprenant un organe d'affichage de l'heure, notamment un organe d'affichage par le biais d'éléments mobiles, ainsi qu'un mécanisme de commutation permettant à l'organe d'affichage de l'heure de commuter entre deux fuseaux horaires, le dispositif se distinguant en ce qu'il comprend en outre un organe d'affichage, notamment en nombre d'heures, du décalage entre les deux fuseaux horaires.It should be emphasized that the device described below is not covered by the claims. The device therefore does not represent an embodiment of the invention, but an example useful for understanding the invention. This document also describes another time display device, in particular a timepiece or a timepiece movement, comprising a time display member, in particular a display member by means of 'movable elements, as well as a switching mechanism allowing the time display member to switch between two time zones, the device being distinguished by which further comprises a display member, in particular in terms of number of hours, of the difference between the two time zones.

Selon cet autre dispositif d'affichage de l'heure, l'organe d'affichage coopère avec un organe de commande de façon à n'être visible que lorsque l'un des deux fuseaux horaires est affiché.According to this other time display device, the display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.

Selon cet autre dispositif d'affichage de l'heure, le mécanisme de commutation comporte :

  • un cœur mobile en rotation, relié à l'organe d'affichage par une chaîne cinématique,
  • un premier levier ayant une première extrémité agencée pour coopérer avec le cœur en vue de faire indiquer à l'organe d'affichage l'heure de l'un des deux fuseaux horaires,
  • un deuxième levier prévu pour faire indiquer à l'organe d'affichage l'heure de l'autre fuseau horaire,
  • un organe de sélection à deux positions coopérant avec le premier levier, et
  • un organe de commande permettant de sélectionner l'un ou l'autre des fuseaux horaires à afficher et coopérant avec l'organe de sélection à deux positions.
According to this other time display device, the switching mechanism comprises:
  • a rotating mobile heart, connected to the display member by a kinematic chain,
  • a first lever having a first end arranged to cooperate with the heart with a view to making the display member indicate the time of one of the two time zones,
  • a second lever provided to make the display unit indicate the time in the other time zone,
  • a two-position selection member cooperating with the first lever, and
  • a control member making it possible to select one or other of the time zones to be displayed and cooperating with the two-position selection member.

Selon cet autre dispositif d'affichage de l'heure, le dispositif comporte un cadran pourvu d'un guichet ainsi qu'un masque prévu entre l'organe d'affichage et un cadran du dispositif d'affichage de l'heure, pour masquer ou non, suivant la position du levier, la partie de l'organe d'affichage située en face du guichet.According to this other time display device, the device comprises a dial provided with a window and a mask provided between the display member and a dial of the time display device, to mask or not, depending on the position of the lever, the part of the display unit located opposite the window.

Ce masque peut éventuellement être fixé sur le premier levier ou coopérer avec ce dernier, notamment par le biais d'un rouage approprié.This mask can optionally be attached to the first lever or cooperate with the latter, in particular by means of an appropriate gear.

D'autres caractéristiques et avantages de l'invention vont maintenant être décrits en détail dans l'exposé suivant qui est donné en référence aux figures annexées, lesquelles représentent schématiquement :

  • figure 1 : une vue en plan d'un exemple de réalisation d'une pièce d'horlogerie selon l'invention avec une tige de commande en position de réglage de l'heure de l'un des fuseaux horaires;
  • figure 2 : Une vue partielle et agrandie de la figure 1 ;
  • figure 3 : une vue en plan de la pièce d'horlogerie de la figure 1, en position de réglage de l'autre fuseau horaire ;
  • figure 4 : une vue de détail en perspective montrant le mécanisme de commutation entre les affichages des fuseaux horaires ;
  • figure 5 : une vue de détail en perspective montrant un différentiel commandant l'organe d'affichage ;
  • figure 6 : une vue en plan partielle de la pièce d'horlogerie des figures 1, 2 et 3, avec la tige de commande en position de remontage ;
  • figure 7 : une vue en plan d'une variante de réalisation en position de réglage d'un fuseau horaire ;
  • figure 8 : une vue en plan de la variante de la figure 7, en position de réglage de l'autre fuseau horaire ;
  • figure 9 : une vue en coupe selon VII-VII de la variante des figures 7 et 8 montrant la tige de commande en position de remontage ;
  • figure 10 : une vue de dessus partielle de la variante des figures 7 et 8, avec la tige de commande en position de remontage ;
  • figure 11 : une vue en coupe selon VII-VII de la variante des figures 7 et 8 montrant la tige de commande en position de réglage d'un fuseau horaire ;
  • figure 12 : une vue de dessus partielle de la variante des figures 7 et 8, en position de réglage d'un fuseau horaire ;
  • figure 13 : une vue en coupe selon VII-VII de la variante des figures 7 et 8 montrant la tige de commande en position de réglage d'un autre fuseau horaire ;
  • figure 14 : une vue de dessus de la variante des figures 7 et 8, en position de réglage de l'autre fuseau horaire ;
  • figure 15 : une vue de dessus partielle d'une autre variante de réalisation ; et
  • figure 16 : une vue de dessus de la variante des figures 7 et 8 comportant un premier complément.
  • Figures 17,18, et 19 : des vues de dessus de la variante des figures 7 et 8 comportant un deuxième complément.
  • Figures 20 et 21 : des vues de dessus d'une pièce d'horlogerie selon la variante de la figure 7 ou de la figure 15 comportant un premier et un deuxième complément.
Other characteristics and advantages of the invention will now be described in detail in the following description which is given with reference to the appended figures, which schematically represent:
  • figure 1 : a plan view of an exemplary embodiment of a timepiece according to the invention with a control rod in the time setting position of one of the time zones;
  • figure 2 : A partial and enlarged view of the figure 1 ;
  • figure 3 : a plan view of the timepiece from the figure 1 , in the setting position for the other time zone;
  • figure 4 : a detail perspective view showing the mechanism for switching between the time zone displays;
  • figure 5 : a detail perspective view showing a differential controlling the display member;
  • figure 6 : a partial plan view of the timepiece of the figures 1 , 2 and 3 , with the control rod in the winding position;
  • figure 7 : a plan view of an alternative embodiment in a position for setting a time zone;
  • figure 8 : a plan view of the variant of the figure 7 , in the setting position for the other time zone;
  • figure 9 : a sectional view along VII-VII of the variant of figures 7 and 8 showing the control rod in the reassembly position;
  • figure 10 : a partial top view of the variant of figures 7 and 8 , with the control rod in the winding position;
  • figure 11 : a sectional view along VII-VII of the variant of figures 7 and 8 showing the control rod in a time zone setting position;
  • figure 12 : a partial top view of the variant of figures 7 and 8 , in a time zone setting position;
  • figure 13 : a sectional view along VII-VII of the variant of figures 7 and 8 showing the control rod in the setting position of another time zone;
  • figure 14 : a top view of the variant of figures 7 and 8 , in the setting position for the other time zone;
  • figure 15 : a partial top view of another variant embodiment; and
  • figure 16 : a top view of the variant of figures 7 and 8 comprising a first complement.
  • Figures 17 , 18 , and 19 : top views of the variant of figures 7 and 8 comprising a second complement.
  • Figures 20 and 21 : top views of a timepiece according to the variant of the figure 7 or the figure 15 comprising a first and a second complement.

Exposé détaillé de l'inventionDetailed description of the invention

L'invention va être détaillée et expliquée au travers de quelques modes de réalisation qui ne sont présentés qu'à titre de simples exemples.The invention will be detailed and explained through a few embodiments which are presented only by way of simple examples.

Premier mode de réalisationFirst embodiment

Un premier mode de réalisation de dispositif d'affichage 300 selon l'invention est représenté sur les figures 1, 2 et 3. Le dispositif d'affichage fait partie d'une pièce d'horlogerie 300, notamment une montre bracelet ou est une telle pièce d'horlogerie 300. Le dispositif d'affichage fait aussi partie d'un mouvement horloger 200 ou est un tel mouvement horloger, le mouvement horloger faisant lui-même partie de la pièce d'horlogerie 300. Le dispositif d'affichage comprend un mécanisme 100 de commutation comportant deux cœurs 3 et 4 dont le décalage angulaire définit le décalage horaire entre les deux fuseaux horaires. Le cœur 3 est prévu pour coopérer avec une première extrémité la d'un premier levier 1 et le cœur 4 avec la première extrémité 2a d'un deuxième levier 2. Ces premier et deuxième leviers 1, 2 sont globalement de forme allongée et ils sont solidaires l'un de l'autre, notamment fixés l'un sur l'autre. Le premier levier 1 est monté sur le deuxième levier 2, ce dernier pivotant à une deuxième extrémité 2b sur un axe 39 fixé au bâti du mouvement.A first embodiment of the display device 300 according to the invention is shown in the figures 1 , 2 and 3 . The display device is part of a timepiece 300, in particular a wristwatch or is such a timepiece 300. The display device is also part of a timepiece movement 200 or is such a timepiece movement. , the watch movement itself forming part of the timepiece 300. The display device comprises a switching mechanism 100 comprising two cores 3 and 4, the angular offset of which defines the time difference between the two time zones. The heart 3 is designed to cooperate with a first end 1a of a first lever 1 and the heart 4 with the first end 2a of a second lever 2. These first and second levers 1, 2 are generally elongated in shape and they are integral with one another, in particular fixed one on the other. The first lever 1 is mounted on the second lever 2, the latter pivoting at a second end 2b on an axis 39 fixed to the frame of the movement.

Une deuxième extrémité 1b située sur un bras du levier 1 est positionnée, sous la contrainte d'un ressort 6, par un organe de sélection à deux positions 5, en l'occurrence une roue à colonnes 5. Dans la configuration représentée sur la figure 1, la deuxième extrémité 1b située sur le bras du levier 1 est positionnée ou rappelée, sous la contrainte d'un ressort 6, dans l'un des creux 5a de la roue à colonnes 5 dont le profil binaire est formé par une alternance de creux 5a et de colonnes 5b.A second end 1b located on an arm of the lever 1 is positioned, under the constraint of a spring 6, by a two-position selection member 5, in this case a column wheel 5. In the configuration shown in FIG. figure 1 , the second end 1b located on the arm of lever 1 is positioned or biased, under the stress of a spring 6, in one of the hollows 5a of the column wheel 5, the binary profile of which is formed by an alternation of hollows 5a and columns 5b.

Sur les figures 1 et 2, l'extrémité 2a du deuxième levier 2 est en appui sur le plat du cœur 4 et l'aiguille des heures A1 de l'organe d'affichage affiche l'heure du premier fuseau horaire.On the figures 1 and 2 , the end 2a of the second lever 2 rests on the flat of the heart 4 and the hour hand A1 of the display member displays the time of the first time zone.

Dans la configuration représentée sur la figure 3, l'extrémité 1b du levier 1 est en appui contre l'une des colonnes 5b de la roue à colonnes 5.In the configuration shown on figure 3 , the end 1b of the lever 1 rests against one of the columns 5b of the column wheel 5.

L'extrémité la du premier levier 1 est alors en appui contre le plat du cœur 3 et l'aiguille des heures A1 affiche l'heure du deuxième fuseau horaire. L'activation de l'un ou l'autre des leviers 1 et 2 se fait donc au moyen de la roue à colonnes 5. Comme on peut le voir sur les figures 1 et 2, cette roue à colonnes 5 présente une denture 11 située dans un plan perpendiculaire aux axes longitudinaux des colonnes 5b et qui est indexée angulairement par un sautoir 12. La roue à colonnes 5 est prévue pour être actionnée et entraînée unidirectionnellement d'un pas angulaire par le bouton-poussoir P par l'intermédiaire d'un levier 36 ayant une extrémité en forme de crochet 13. Il est bien sûr tout à fait imaginable d'entraîner bidirectionnellement cet organe de sélection binaire 5 selon deux positions angulaires par le biais d'un dispositif de commande adapté. Une telle solution permet de mettre en œuvre, par exemple, une roue à colonnes 5 dotée d'une seule et unique colonne. Une telle solution permet également de substituer les colonnes par une denture qui est liée cinématiquement à une denture solidaire du levier 1, c'est-à-dire une denture dont les dents déterminent, par contact avec le levier 1, la position du levier 1.
Il est également bien sûr tout à fait possible d'intervertir le montage des leviers 1 et 2, de faire pivoter le levier 1 autour de l'axe 39, et de rapporter le bras coopérant avec la roue à colonnes sur le levier 2.The end of the first lever 1 is then resting against the flat of the heart 3 and the hour hand A1 displays the time of the second time zone. The activation of one or the other of the levers 1 and 2 is therefore done by means of the column wheel 5. As can be seen on the figures 1 and 2 , this column wheel 5 has teeth 11 located in a plane perpendicular to the longitudinal axes of the columns 5b and which is angularly indexed by a jumper 12. The column wheel 5 is designed to be actuated and driven unidirectionally by an angular step by the push-button P by means of a lever 36 having a hook-shaped end 13. It is of course entirely conceivable to drive this binary selection member 5 bidirectionally in two angular positions by means of a suitable control device. Such a solution makes it possible to implement, for example, a column wheel 5 provided with a single and unique column. Such a solution also makes it possible to replace the columns by a set of teeth which is kinematically linked to a set of teeth integral with the lever 1, that is to say a set of teeth whose teeth determine, by contact with the lever 1, the position of the lever 1. .
It is also of course quite possible to reverse the mounting of levers 1 and 2, to pivot lever 1 around axis 39, and to bring the arm cooperating with the column wheel to lever 2.

Sur la figure 4 est représenté plus en détail le mécanisme de commutation entre les deux fuseaux horaires.On the figure 4 the switching mechanism between the two time zones is shown in more detail.

Les cœurs 3 et 4 sont coaxiaux et mobiles en rotation indépendamment l'un de l'autre. Le cœur 4 est solidaire de la roue 7, notamment fixé sur la roue 7, tandis que le cœur 3 est solidaire de l'étoile 8, notamment fixé sur l'étoile 8. Cette dernière est en prise avec la roue 7 par l'intermédiaire d'un sautoir 9 pivoté en 10 sur la planche de la roue 7.Cores 3 and 4 are coaxial and mobile in rotation independently of one another. The heart 4 is integral with the wheel 7, in particular fixed on the wheel 7, while the heart 3 is integral with the star 8, in particular fixed on the star 8. The latter is engaged with the wheel 7 by the intermediate of a jumper 9 pivoted at 10 on the plate of the wheel 7.

Ainsi, pour ajuster le décalage horaire qui est défini par le décalage angulaire entre les cœurs 3 et 4, il suffit de faire tourner la roue 7 tout en maintenant l'étoile 8 dans sa position.Thus, to adjust the time difference which is defined by the angular offset between the hearts 3 and 4, it suffices to turn the wheel 7 while maintaining the star 8 in its position.

Sur la figure 5 est représenté en détail l'entraînement de l'aiguille des heures A1.On the figure 5 The driving of the hour hand A1 is shown in detail.

Le mouvement horloger fournit l'indication horaire par le biais d'une chaussée 27 et d'un mobile de minuterie traditionnel comportant une roue 28 solidaire d'un pignon 32. L'aiguille des heures A1 est montée solidairement sur l'axe de la roue de sortie 29 d'un différentiel 29,30,33,34, de manière à ce qu'elle puisse prendre deux positions angulaires sous l'action de la roue 7 engrenant avec une denture 30b de la roue d'entrée du différentiel 30.The watch movement provides the time indication by means of a roadway 27 and a traditional timer mobile comprising a wheel 28 secured to a pinion 32. The hour hand A1 is mounted integrally on the axis of the clock. output wheel 29 of a differential 29,30,33,34, so that it can take two angular positions under the action of the wheel 7 meshing with a toothing 30b of the input wheel of the differential 30 .

Le différentiel 29,30,33,34 est un différentiel sphérique de type connu.The differential 29,30,33,34 is a spherical differential of known type.

En fonctionnement normal, et ce quelque soit le fuseau affiché, l'aiguille A1 indique l'heure par le biais du pignon de minuterie 32 qui engrène avec la roue porte-satellite 33.In normal operation, and regardless of the displayed time zone, hand A1 indicates the time by means of the timer pinion 32 which meshes with the planet wheel 33.

La rotation de cette roue 33 est transmise à la roue de sortie 29 du différentiel par le biais de satellites 34 qui sont en prise, d'une part, avec la denture frontale 29a de la roue 29 et, d'autre part, avec une denture frontale 30a prévue sur la roue d'entrée 30 du différentiel.The rotation of this wheel 33 is transmitted to the output wheel 29 of the differential by means of planet wheels 34 which are engaged, on the one hand, with the front teeth 29a of the wheel 29 and, on the other hand, with a front toothing 30a provided on the input wheel 30 of the differential.

Sous l'effet de celui des leviers 1 et 2 qui est en contact avec le plat, respectivement du cœur 3 ou du cœur 4, les roues 30 et 7 sont immobiles.Under the effect of that of levers 1 and 2 which is in contact with the plate, respectively of the core 3 or of the core 4, the wheels 30 and 7 are stationary.

Lors de la commutation, la rotation des cœurs 3 et 4, sous l'effet de la coopération de l'un d'eux avec l'un des deux leviers 1 et 2, induit la rotation des roues 7 et 30. La rotation de la roue 30 est transmise à la roue 29 par le biais des satellites 34, alors que la roue porte-satellite 33, en prise avec le pignon de minuterie 32 du mouvement de base, poursuit sa coopération avec la chaussée lanternée 27 qui est maintenue à friction sur le pignon de centre du mouvement de base (non représenté sur les figures.)During switching, the rotation of the cores 3 and 4, under the effect of the cooperation of one of them with one of the two levers 1 and 2, induces the rotation of the wheels 7 and 30. The rotation of the wheel 30 is transmitted to the wheel 29 through the satellites 34, while the planet wheel 33, in engagement with the timing pinion 32 of the basic movement, continues its cooperation with the lantern road 27 which is maintained at friction on the center pinion of the basic movement (not shown in the figures.)

En ce qui concerne le mécanisme de correction ou réglage de l'affichage, l'une des particularités de l'invention est que le dispositif d'affichage de l'heure permet de corriger sélectivement uniquement le fuseau horaire qui est affiché par le biais d'une chaîne de rouage dédiée, ce qui constitue un avantage significatif par rapport aux mécanismes de l'état de la technique.As regards the display correction or adjustment mechanism, one of the features of the invention is that the time display device makes it possible to selectively correct only the time zone which is displayed by means of a dedicated gear chain, which constitutes a significant advantage over the mechanisms of the state of the art.

La tige de commande T du dispositif peut occuper une position I de remontage et une position II de réglage de l'heure de l'un ou l'autre des fuseaux horaires.The control rod T of the device can occupy a winding position I and a position II for setting the time of one or the other of the time zones.

Sur la figure 6 est représentée la configuration de la pièce d'horlogerie selon l'invention correspondant à la position I ou position de remontage, de la tige de commande T.On the figure 6 is shown the configuration of the timepiece according to the invention corresponding to the position I or winding position, of the control rod T.

Le remontage de la montre est assuré par le biais d'un pignon de remontoir (non visible sur la fig. 6) dont la denture à rochet est en prise avec la denture à rochet 14a d'un pignon coulant 14 qui est monté à carré sur la tige T et qui est pourvu en outre d'une denture frontale 14b opposée à la denture à rochet 14a. Ce dispositif tige-pignon coulant-pignon de remontoir est tout à fait connu.The watch is wound up by means of a winding pinion (not visible on the fig. 6 ) whose ratchet toothing is engaged with the ratchet toothing 14a of a sliding pinion 14 which is mounted squarely on the rod T and which is further provided with a front toothing 14b opposite to the ratchet toothing 14a. This rod-sliding pinion-winding pinion device is well known.

En se reportant à nouveau à la figure 1, on voit que la configuration représentée correspond à la position II ou position de correction ou réglage du premier fuseau horaire.Referring again to the figure 1 , it can be seen that the configuration shown corresponds to position II or correction position or adjustment of the first time zone.

Le passage de la position I à la position II s'effectue en tirant sur la tige de commande T. Sous l'effet de la translation de la tige, une première tirette 15 est entraînée en rotation par une première extrémité 15a. Cette première tirette 15 est pivotée dans la platine de la pièce d'horlogerie, au niveau du pivot 15c. Sur la première tirette 15 est montée libre en rotation une première extrémité 16a d'une deuxième tirette 16.The passage from position I to position II is effected by pulling on the control rod T. Under the effect of the translation of the rod, a first pull-tab 15 is rotated by a first end 15a. This first zipper 15 is pivoted in the plate of the timepiece, at the level of the pivot 15c. A first end 16a of a second pull 16 is mounted on the first pull-tab 15 to rotate freely.

Les positions de la tige T sont définies par le crantage produit par le sautoir 17 coopérant de façon connue avec la première tirette 15 au niveau de sa deuxième extrémité 15b.The positions of the rod T are defined by the notching produced by the jumper 17 cooperating in a known manner with the first pull tab 15 at its second end 15b.

La deuxième tirette 16 comporte une deuxième extrémité 16b qui coopère avec une première bascule 18 au moyen d'une goupille 19 prévue pour se déplacer dans une lumière 20 en forme de V de la bascule 18, laquelle lumière 20 forme ainsi un chemin de came.The second pull tab 16 has a second end 16b which cooperates with a first latch 18 by means of a pin 19 provided to move in a V-shaped slot 20 of latch 18, which slot 20 thus forms a cam path.

Une deuxième bascule 21 est montée libre en rotation par une première extrémité 21a sous une première extrémité 18a de la première bascule 18.A second rocker 21 is mounted to rotate freely by a first end 21a under a first end 18a of the first rocker 18.

Une deuxième extrémité 18b de la première bascule 18 porte une roue de renvoi 23 apte à coopérer avec la denture frontale 14b du pignon coulant 14 et une roue intermédiaire 35.A second end 18b of the first lever 18 carries a return wheel 23 adapted to cooperate with the front teeth 14b of the sliding pinion 14 and an intermediate wheel 35.

Une deuxième extrémité 21b de la deuxième bascule 21 est disposée dans une gorge 22 formée dans le pignon coulant 14, entre ses deux dentures 14a et 14b. Ainsi, lorsque la tige est en position I (fig. 6), la deuxième tirette 16 entraîne la deuxième bascule 21 de façon à plaquer la denture à rochet 14a du pignon coulant 14 contre le pignon de remontoir (non représenté sur la figure).A second end 21b of the second lever 21 is disposed in a groove 22 formed in the sliding pinion 14, between its two teeth 14a and 14b. Thus, when the rod is in position I ( fig. 6 ), the second zipper 16 drives the second lever 21 so as to press the ratchet teeth 14a of the sliding pinion 14 against the winding pinion (not shown in the figure).

En même temps, elle place la goupille 19 à une première extrémité de la lumière 20 et dispose la première bascule 18 de manière à ce que la roue de renvoi 23 portée par cette dernière ne puisse pas engrener avec les autres roues de renvoi de correction ou réglage, notamment la roue 35.At the same time, it places the pin 19 at a first end of the slot 20 and arranges the first rocker 18 so that the return wheel 23 carried by the latter cannot mesh with the other correction return wheels or adjustment, in particular the wheel 35.

Lorsque la tige est en position II (figure 1 ou 2), la deuxième tirette 16 peut prendre deux positions angulaires sous l'effet d'un ressort de rappel 24 et d'un palpeur 25 dont une première extrémité 25a est montée libre en rotation sur la deuxième tirette 16 au moyen de l'axe 19 et une deuxième extrémité 25b coopère avec l'organe de sélection à deux positions 5, en l'occurrence la roue à colonnes 5 au moyen d'une goupille 26. Le palpeur 25 comporte entre ses première 25a et deuxième 25b extrémités, un trou oblong 37 lui permettant d'être guidée par une goupille 38 fixée à la platine de la pièce d'horlogerie.When the rod is in position II ( figure 1 or 2 ), the second zipper 16 can take two angular positions under the effect of a return spring 24 and a feeler 25, a first end 25a of which is rotatably mounted on the second zipper 16 by means of the axis 19 and a second end 25b cooperates with the two-position selection member 5, in this case the column wheel 5 by means of a pin 26. The probe 25 comprises between its first 25a and second 25b ends, an oblong hole 37 allowing it to be guided by a pin 38 fixed to the plate of the timepiece.

Chacune des deux positions angulaires précitées correspond à un fuseau horaire, et au réglage de ce fuseau horaire par le biais d'une chaîne de rouage dédiée.Each of the two aforementioned angular positions corresponds to a time zone, and to the adjustment of this time zone by means of a dedicated gear chain.

Premier fuseau horaireFirst time zone

La position angulaire de la deuxième tirette 16 qui permet au mécanisme de corriger le premier fuseau horaire est visible sur la figure 1.
Dans cette position, l'agencement du palpeur 25, de la roue à colonnes 5 et de la bascule 18 est prévu pour que, lorsque la goupille 26 se trouve dans l'un des creux 5a de la roue à colonnes 5, la deuxième tirette 16 place la goupille 19 à une deuxième extrémité de la lumière 20 et positionne ainsi les bascules 18 et 21 de manière à ce que la chaîne de rouage de réglage ou de correction du premier fuseau horaire soit embrayée. Cette chaîne passe par le renvoi 23, la roue intermédiaire 35 et le mobile de minuterie 28,32 qui est lié cinématiquement à la roue porte-satellite 33 du différentiel.The angular position of the second zipper 16 which allows the mechanism to correct the first time zone is visible on the figure 1 .
In this position, the arrangement of the feeler 25, the column wheel 5 and the rocker 18 is provided so that, when the pin 26 is in one of the hollows 5a of the column wheel 5, the second pull tab 16 places the pin 19 at a second end of the slot 20 and thus positions the rockers 18 and 21 so that the chain for adjusting or correcting the first time zone is engaged. This chain passes through the return 23, the intermediate wheel 35 and the timing wheel 28, 32 which is kinematically linked to the planet wheel 33 of the differential.

Ainsi, une rotation de la tige T entraîne une mise à l'heure traînante de l'aiguille des heures A1 ainsi que celle des minutes A2.Thus, a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.

Dans cette configuration, comme on peut le voir sur la figure 1, le levier 1 est disposé de telle sorte que son extrémité 1b se trouve dans un creux 5a de la roue 5 différent de celui où se trouve la goupille 26.In this configuration, as can be seen on the figure 1 , the lever 1 is arranged such that its end 1b is located in a hollow 5a of the wheel 5 different from that where the pin 26 is located.

L'extrémité 2a du levier 2 appuie alors sur le cœur 4 qui correspond à l'affichage du premier fuseau horaire.The end 2a of the lever 2 then presses on the heart 4 which corresponds to the display of the first time zone.

Etant donné que le cœur 4 est immobilisé par le levier 2 et qu'il est solidaire de la roue 7, comme cela a été expliqué précédemment (en relation avec la figure 4), la roue 7 est également immobilisée. Il s'ensuit que la rotation de la tige de commande T entraîne l'aiguille A1 en rotation par l'intermédiaire du différentiel 29,30,33,34 et modifie ainsi le premier fuseau horaire.Given that the heart 4 is immobilized by the lever 2 and that it is integral with the wheel 7, as has been explained previously (in relation to the figure 4 ), wheel 7 is also immobilized. It follows that the rotation of the control rod T drives the hand A1 in rotation by means of the differential 29,30,33,34 and thus modifies the first time zone.

Deuxième fuseau horaireSecond time zone

La position angulaire de la deuxième tirette 16 qui permet au mécanisme de corriger le deuxième fuseau horaire est visible sur la figure 3.The angular position of the second zipper 16 which allows the mechanism to correct the second time zone is visible on the figure 3 .

Dans cette position, la goupille 26 fixé à la deuxième extrémité 25b du palpeur 25 est en appui contre l'une des colonnes 5b de la roue à colonnes 5. L'axe 19 est alors placé entre les deux extrémités, sensiblement au centre, de la lumière 20, ce qui positionne les bascules 18 et 21 de manière à ce que la chaîne de rouage de correction ou réglage du deuxième fuseau horaire soit embrayée. Cette chaîne passe par la roue de renvoi 23, un rouage intermédiaire 60,61,62 et la roue 7 qui est liée cinématiquement à la roue 30 du différentiel.In this position, the pin 26 fixed to the second end 25b of the feeler 25 bears against one of the columns 5b of the column wheel 5. The axis 19 is then placed between the two ends, substantially in the center, of light 20, which positions flip-flops 18 and 21 so that the chain for correcting or adjusting the second time zone is engaged. This chain passes through the return wheel 23, an intermediate gear 60,61,62 and the wheel 7 which is kinematically linked to the wheel 30 of the differential.

Ainsi, une rotation de la tige de commande T induit la rotation de la roue 7 par rapport à l'étoile 8, qui est maintenue dans sa position, et génère la correction rapide de l'aiguille des heures A1 par pas d'une heure. Le crantage est défini par le pas angulaire de l'étoile 8 et l'élasticité du sautoir 9. Du fait du différentiel 29,30,33,34, la roue 33 et l'aiguille des minutes A2 restent immobiles.Thus, a rotation of the control rod T induces the rotation of the wheel 7 relative to the star 8, which is maintained in its position, and generates the rapid correction of the hour hand A1 in steps of one hour . The notching is defined by the angular pitch of the star 8 and the elasticity of the jumper 9. Due to the differential 29,30,33,34, the wheel 33 and the minute hand A2 remain stationary.

En même temps, comme on peut le voir sur la figure 3, le levier 1 est disposé de telle sorte que son extrémité 1b se trouve en appui contre une des colonnes 5b de la roue à colonnes 5 qui est différente de celle contre laquelle est en appui la goupille 26.At the same time, as can be seen on the figure 3 , the lever 1 is arranged such that its end 1b rests against one of the columns 5b of the column wheel 5 which is different from that against which the pin 26 rests.

L'extrémité la du levier 1 appuie alors sur le cœur 3 qui correspond à l'affichage du deuxième fuseau horaire.The end of the lever 1 then presses on the heart 3 which corresponds to the display of the second time zone.

Etant donné que le cœur 3 est immobilisé par le levier 1 et qu'il est solidaire de l'étoile 8, comme cela a été expliqué précédemment (en relation avec la figure 4), l'étoile 8 est également immobilisée. Néanmoins, grâce au sautoir 9, la roue 7 peut tourner. La rotation de la tige de commande T entraîne donc l'aiguille A1 en rotation par l'intermédiaire de la roue 7 et du différentiel 29,30,33,34 et modifie ainsi le deuxième fuseau horaire.Since the heart 3 is immobilized by the lever 1 and that it is integral with the star 8, as explained previously (in relation to the figure 4 ), star 8 is also immobilized. Nevertheless, thanks to the jumper 9, the wheel 7 can turn. The rotation of the control rod T therefore drives the hand A1 in rotation by means of the wheel 7 and of the differential 29,30,33,34 and thus modifies the second time zone.

Par conséquent, le mécanisme de commutation et celui de correction ou réglage du fuseau horaire sont toujours en phase et il n'y a pas de risque de modifier l'heure d'un fuseau alors que celle-ci n'est pas indiquée par l'aiguille A1. Par ailleurs, la chaîne de correction ou réglage de l'un ou l'autre des deux fuseaux horaires peut avantageusement être liée cinématiquement au mobile de minuterie 28, 32. Ainsi, une rotation de la tige T entraîne une mise à l'heure traînante de l'aiguille des heures A1 ainsi que celle des minutes A2, et permet de fait, l'ajustement de l'un ou l'autre des deux fuseaux horaires.Consequently, the switching mechanism and that of correcting or adjusting the time zone are always in phase and there is no risk of modifying the time of a zone when it is not indicated by the needle A1. Furthermore, the chain for correcting or adjusting one or the other of the two time zones can advantageously be kinematically linked to the timer mobile 28, 32. Thus, a rotation of the rod T causes a lagging time setting. of the A1 hour hand as well as the A2 minute hand, and in fact allows the adjustment of one or the other of the two time zones.

De plus, la coopération du mécanisme de commutation avec celui de correction permet de gagner en fonctionnalité.In addition, the cooperation of the switching mechanism with the correction mechanism makes it possible to gain in functionality.

En effet, le système selon l'invention permet, en une seule opération, la sélection de l'affichage de l'un des deux fuseaux horaires et la sélection du mécanisme apte à corriger le fuseau affiché. Par ailleurs, ce système ne nécessite pas de mécanisme additionnel prévu pour effectuer la mise à l'heure et des minutes du dispositif d'affichage de l'heure, et ne nécessite pas d'organe de réglage additionnel. Ainsi, cette coopération du mécanisme de commutation avec celui de correction a l'avantage de simplifier la conception et de réduire le nombre de pièces en regard des mécanismes connus de l'état de la technique qui ne permettent que la commutation de l'affichage , ou la correction de l'un ou l'autre des deux fuseaux horaires indépendamment du mécanisme de mise à l'heure et des minutes..In fact, the system according to the invention allows, in a single operation, the selection of the display of one of the two time zones and the selection of the mechanism capable of correcting the displayed zone. Moreover, this system does not require any additional mechanism provided for setting the hour and minutes of the time display device, and does not require any additional adjustment device. Thus, this cooperation of the switching mechanism with the correction mechanism has the advantage of simplifying the design and reducing the number of parts compared to the mechanisms known from the state of the art which only allow the switching of the display, or the correction of one or the other of the two time zones independently of the hour and minute setting mechanism.

11 èretime variantevariant

Suivant une première variante du dispositif d'affichage de l'heure selon l'invention représentée sur les figures 7 à 14, le premier levier 1 présente encore globalement une forme allongée, mais le deuxième levier 42 présente une partie formant ressort de rappel 42b.According to a first variant of the time display device according to the invention shown in figures 7 to 14 , the first lever 1 still has an overall elongated shape, but the second lever 42 has a part forming a return spring 42b.

De plus, le premier levier 1 et le deuxième levier 42 sont fixés sur des axes différents.In addition, the first lever 1 and the second lever 42 are fixed on different axes.

Le premier levier 1 est monté pivotant sur un axe 49, tandis que le deuxième levier 42 est monté pivotant sur un axe 43 fixé sur la roue 7 et comporte une partie formant ressort de rappel 42b qui est précontrainte par une goupille 47. L'extrémité 42a du deuxième levier 42 est constamment en appui contre le cœur 4. Il est bien sûr tout à fait imaginable de réduire le levier 42 à son extrémité 42a et à son axe de pivotement et de le faire coopérer avec un ressort de rappel. Le cœur 4 est solidaire d'une roue 44 située sous la roue 7 et engrenant avec une roue de renvoi 45 solidaire de l'étoile 8, cette dernière étant indexée angulairement par le sautoir 58 fixé sur le bâti du mouvement.The first lever 1 is mounted to pivot on an axis 49, while the second lever 42 is mounted to pivot on an axis 43 fixed on the wheel 7 and comprises a part forming a return spring 42b which is preloaded by a pin 47. The end 42a of the second lever 42 is constantly resting against the heart 4. It is of course quite conceivable to reduce the lever 42 to its end 42a and to its pivot axis and to make it cooperate with a spring. The heart 4 is integral with a wheel 44 located under the wheel 7 and meshing with a return wheel 45 integral with the star 8, the latter being angularly indexed by the jumper 58 fixed to the frame of the movement.

Sous l'effet du ressort 46 qui exerce une pression sur la première extrémité la du premier levier 1, celle-ci appuie sur le cœur 3 et reste en contact avec le plat de ce cœur 3. L'appui de l'extrémité la sur le cœur 3 vainc le couple produit par la partie formant ressort 42b, fait pivoter le deuxième levier 42 autour de l'axe 43 et annule ainsi l'effet de l'extrémité 42a sur le plat du cœur 4, ce qui a pour résultat de faire afficher l'heure du premier fuseau horaire par l'aiguille A1.Under the effect of the spring 46 which exerts pressure on the first end la of the first lever 1, the latter presses on the heart 3 and remains in contact with the flat of this heart 3. The support of the end la on the heart 3 overcomes the torque produced by the spring part 42b, rotates the second lever 42 around the axis 43 and thus cancels the effect of the end 42a on the flat of the heart 4, which results in display the time of the first time zone by hand A1.

La deuxième extrémité 1b située sur un pied du premier levier 1 est positionnée par un organe de sélection à deux positions 5, en l'occurrence une roue à colonnes 5. Dans cette configuration visible sur la figure 7, la deuxième extrémité 1b est positionnée dans l'un des creux 5b du profil de la roue à colonnes 5, sous la contrainte du ressort 46 et en raison du pivotement du levier 1 autour de l'axe 49.The second end 1b located on a foot of the first lever 1 is positioned by a two-position selection member 5, in this case a column wheel 5. In this configuration visible on the figure. figure 7 , the second end 1b is positioned in one of the hollows 5b of the profile of the column wheel 5, under the stress of the spring 46 and due to the pivoting of the lever 1 around the axis 49.

Une pression sur le bouton poussoir P induit la rotation d'un pas angulaire de la roue à colonnes 5, ce qui a pour conséquence de repousser l'extrémité 1b du levier 1 sur une colonne 5b du profil de la roue à colonnes 5, d'éloigner ainsi l'extrémité la de ce levier 1 du cœur 3 et d'annuler de ce fait son action sur ce cœur 3. Il s'ensuit une rotation angulaire de la roue 7 sous l'effet du deuxième levier 42 et de sa partie formant ressort 42b, jusqu'à ce que l'extrémité 42a du deuxième levier 42 vienne en appui sur le plat du cœur 4 et entraîne l'affichage de l'heure du deuxième fuseau horaire.Pressing the push button P induces the rotation of an angular pitch of the column wheel 5, which has the consequence of pushing the end 1b of the lever 1 back onto a column 5b of the profile of the column wheel 5, d 'thus remove the end 1a of this lever 1 from the core 3 and thereby cancel its action on this core 3. There follows an angular rotation of the wheel 7 under the effect of the second lever 42 and of its part forming a spring 42b, until the end 42a of the second lever 42 comes to rest on the flat of the heart 4 and causes the time of the second time zone to be displayed.

Cette configuration est représentée sur la figure 8. Comme on peut le voir également sur cette figure, il est avantageux de prévoir que le premier levier 1 présente la spécificité de commander, outre la commutation de l'affichage de l'heure, le mécanisme de correction qui est associé au fuseau horaire affiché, rôle qui était rempli dans le mode de réalisation de la figure 1 principalement par le palpeur 25.This configuration is shown on the figure 8 . As can also be seen in this figure, it is advantageous to provide that the first lever 1 has the specific feature of controlling, in addition to switching the time display, the correction mechanism which is associated with the displayed time zone, role that was fulfilled in the embodiment of the figure 1 mainly by the probe 25.

Bien qu'il puisse être envisagé dans cette variante que la tige de commande T comporte un pignon coulant 14 à dentures opposées 14a,14b comme celui désigné par le numéro 14 dans le mode de réalisation représenté sur les figures 1 à 6, il est possible d'utiliser à la place de ce pignon coulant 14 un pignon de remontoir solidaire en rotation de la tige de commande T indépendamment du pignon coulant et un pignon coulant ayant une denture de chant et une denture frontale.Although it can be envisaged in this variant that the control rod T comprises a sliding pinion 14 with opposing teeth 14a, 14b such as that designated by the number 14 in the embodiment shown in the figures. figures 1 to 6 , it is possible to use instead of this sliding pinion 14 a winding pinion integral in rotation with the control rod T independently of the sliding pinion and a sliding pinion having an edge toothing and a front toothing.

Ainsi, sur les figures 7 à 14 est visible un pignon de remontoir 51 qui est monté à carré sur la tige T. Le pignon coulant 52 comprend une denture de chant 52a et une denture frontale 52b (ceci est clairement visible sur les figures 7 et 9).Thus, on figures 7 to 14 is visible a winding pinion 51 which is mounted square on the stem T. The sliding pinion 52 comprises an edge toothing 52a and a front toothing 52b (this is clearly visible on the figures 7 and 9 ).

Le remontage de la montre, lorsque la tige est en position I (figures 9 et 10), est assuré par le biais du pignon de remontoir 51 qui est lié cinématiquement à la chaîne de remontage par le biais de sa denture frontale 51a. Dans cette configuration, le pignon coulant 52 est disposé de manière à n'embrayer aucun rouage, que ce soit par le biais de sa denture de chant 52a, ou par l'intermédiaire de sa denture frontale 52b.Winding the watch, when the stem is in position I ( figures 9 and 10 ), is provided by means of the winding pinion 51 which is kinematically linked to the winding chain by means of its front teeth 51a. In this configuration, the sliding pinion 52 is arranged so as not to engage any gear, either through its edge teeth 52a, or through its front teeth 52b.

Comme on peut le voir sur la figure 11, la translation de la tige T en position II débraye la chaîne de remontage et provoque la rotation de la tirette 50.As can be seen on the figure 11 , the translation of the rod T in position II disengages the winding chain and causes the rotation of the zipper 50.

Le débrayage du mécanisme de remontage s'effectue alors par le biais d'un embrayage qui est perpendiculaire à l'axe longitudinal de la tige de commande (T). Pour une description détaillée d'un tel mécanisme, on peut se reporter à la demande de brevet européen déposée le 21 juin 2011 sous le numéro EP 11 405 272.3 et dont le contenu est incorporé dans le présent exposé par référence.The winding mechanism is then disengaged by means of a clutch which is perpendicular to the longitudinal axis of the control rod (T). For a detailed description of such a mechanism, one can refer to the European patent application filed on June 21, 2011 under the number EP 11 405 272.3 and the contents of which are incorporated herein by reference.

Une bascule 53 porte une came 54 montée pivotante sur un axe 55 fixé sur cette bascule. Cette came 54 est maintenue en position sous la contrainte d'un ressort 56. Celui-ci coopère avec une goupille 57 fixée sur la came 54 de façon à plaquer la surface 54a de la came 54 contre un flanc 53a de la bascule 53.A rocker 53 carries a cam 54 pivotally mounted on a pin 55 fixed to this rocker. This cam 54 is held in position under the stress of a spring 56. The latter cooperates with a pin 57 fixed to the cam 54 so as to press the surface 54a of the cam 54 against a flank 53a of the lever 53.

Si le bouton poussoir P sélectionne le premier fuseau horaire, configuration visible sur la figure 12, l'extrémité 1b du levier 1 se situe entre deux colonnes 5b, c'est-à-dire dans un creux 5a du profil de la roue à colonnes 5.If pushbutton P selects the first time zone, configuration visible on the figure 12 , the end 1b of the lever 1 is located between two columns 5b, that is to say in a hollow 5a of the profile of the column wheel 5.

Une extrémité 50a de la tirette 50 vient en contact avec une deuxième extrémité 54b de la came 54.One end 50a of the pull tab 50 comes into contact with a second end 54b of the cam 54.

Ainsi, la bascule 53 et la came 54 pivotent autour de l'axe 53'sur lequel est montée la bascule 53.Thus, the rocker 53 and the cam 54 pivot around the axis 53 'on which the rocker 53 is mounted.

Ceci a pour effet d'entraîner la translation du pignon coulant 52 en s'opposant à la force d'une partie formant ressort 53b de la bascule 53 et à établir l'engrènement de la denture frontale 52b du pignon coulant 52 avec la roue intermédiaire 35 de la chaîne de rouage de correction ou de réglage du premier fuseau horaire. Cette chaîne de correction passe par le mobile de minuterie 28,32 qui est liée cinématiquement à la roue porte-satellite 33 du différentiel.This has the effect of causing the translation of the sliding pinion 52 against the force of a spring portion 53b of the rocker 53 and to establish the engagement of the front teeth 52b of the sliding pinion 52 with the intermediate wheel. 35 of the chain for correcting or adjusting the first time zone. This correction chain passes through the timer mobile 28, 32 which is kinematically linked to the planet wheel 33 of the differential.

Ainsi, une rotation de la tige T entraîne une mise à l'heure traînante de l'aiguille des heures A1 ainsi que celle des minutes A2.Thus, a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.

La configuration obtenue lorsque le deuxième fuseau horaire est sélectionné et que la tige T est tirée en position 2 est représentée sur les figures 13 et 14.The configuration obtained when the second time zone is selected and the rod T is pulled out to position 2 is shown on the figures 13 and 14 .

Comme on peut le voir sur la figure 14, le premier levier 1, dont l'extrémité 1b vient en appui contre l'une des colonnes 5b, comporte un bras 1c.As can be seen on the figure 14 , the first lever 1, the end of which 1b bears against one of the columns 5b, comprises an arm 1c.

L'extrémité du bras 1c, en venant en butée contre la goupille 57, fait pivoter la came 54 et empêche l'extrémité 50a de la tirette 50 d'entrer en contact avec la came 54. Ceci n'a pas d'incidence sur le positionnement de la bascule 53 qui est défini par la partie formant ressort 53b.The end of the arm 1c, coming into abutment against the pin 57, causes the cam 54 to pivot and prevents the end 50a of the pull tab 50 from coming into contact with the cam 54. This has no effect on the positioning of the latch 53 which is defined by the spring portion 53b.

La translation de la tige T de la position I à la position II induit donc un recul du pignon coulant 52 sous l'effet d'une partie formant ressort 53b de la bascule 53.The translation of the rod T from position I to position II therefore induces a retraction of the sliding pinion 52 under the effect of a part forming a spring 53b of the lever 53.

Comme on peut le voir sur les figures 13 et 14, dans cette position, la denture de chant 52a du pignon coulant 52 engrène avec la denture frontale 59a du premier renvoi 59 de la chaîne de correction prévue pour le réglage du deuxième fuseau horaire.As can be seen from figures 13 and 14 , in this position, the edge teeth 52a of the sliding pinion 52 mesh with the front teeth 59a of the first reference 59 of the correction chain provided for setting the second time zone.

Cette chaîne de correction passe par la roue 44, qui est solidaire en rotation de l'étoile 8 et de la roue 7 par le biais du cœur 4 et du levier 42. Ainsi, une rotation de la tige de commande T génère le réglage du deuxième fuseau horaire par le biais de la correction rapide de l'aiguille des heures A1 par pas d'une heure. Le crantage est défini par le pas angulaire de l'étoile 8 et l'élasticité d'un sautoir 58 coopérant avec celle-ci.This correction chain passes through the wheel 44, which is integral in rotation with the star 8 and the wheel 7 through the heart 4 and the lever 42. Thus, a rotation of the control rod T generates the adjustment of the second time zone by means of the rapid correction of the A1 hour hand in one hour steps. The notching is defined by the angular pitch of the star 8 and the elasticity of a jumper 58 cooperating therewith.

Du fait du différentiel 29,30,33,34, l'aiguille des minutes A2 poursuit sa rotation sous l'effet du mouvement de base.Due to the differential 29,30,33,34, the A2 minute hand continues to rotate under the effect of the basic movement.

En comparant les figures 11 et 13, on constate que la position axiale du pignon coulant 52 diffère suivant que le bouton-poussoir P sélectionne le premier ou le deuxième fuseau horaire, de façon à ce que le pignon coulant 52 puisse entraîner, respectivement, la roue 35 de la chaîne de rouage de correction du premier fuseau horaire, au moyen de sa denture frontale 52b, ou la roue de renvoi 59 de la chaîne de rouage de correction ou de réglage du deuxième fuseau horaire, au moyen de sa denture de chant 52a.By comparing the figures 11 and 13 , it can be seen that the axial position of the sliding pinion 52 differs depending on whether the push-button P selects the first or the second time zone, so that the sliding pinion 52 can drive, respectively, the wheel 35 of the cog chain correction of the first time zone, by means of its front toothing 52b, or the return wheel 59 of the chain for correcting or adjusting the second time zone, by means of its edge teeth 52a.

22 èmeth variantevariant

Sur la figure 15 est représentée une deuxième variante du dispositif d'affichage de l'heure selon l'invention.On the figure 15 a second variant of the time display device according to the invention is shown.

La différence essentielle par rapport à la première variante est que le dispositif d'affichage de l'heure ne comporte qu'un seul cœur 3.The essential difference compared to the first variant is that the time display device has only one heart 3.

Dans ce mode de réalisation, les flancs des premier et deuxième leviers 1, 42 coopèrent avec le profil de l'unique cœur 3. Ainsi, ce cœur 3 peut être prévu avec une épaisseur supérieure à celle du cœur 3 des autres variantes. De même, comme on peut le noter en comparant les figures 14 et 15, la forme du levier 1 peut être avoir été modifiée.In this embodiment, the sides of the first and second levers 1, 42 cooperate with the profile of the single core 3. Thus, this core 3 can be provided with a thickness greater than that of the core 3 of the other variants. Likewise, as can be seen by comparing the figures 14 and 15 , the shape of lever 1 may have been modified.

ComplémentsComplements 11 erer complémentcomplement

Quelque soit le mode de réalisation ou la variante envisagé, il est possible d'adjoindre, dans le dispositif d'affichage de l'heure selon l'invention, des indications complémentaires à celle de l'heure du fuseau horaire qui est sélectionné.Whatever the embodiment or the variant envisaged, it is possible to add, in the time display device according to the invention, additional indications to that of the time of the time zone which is selected.

Ainsi, suivant une troisième variante du dispositif d'affichage de l'heure selon l'invention représentée sur la figure 16, il est prévu un train de rouage démultiplicatif additionnel destiné à coopérer avec la denture 29b de la roue de sortie 29 du différentiel (cf. figure 5).Thus, according to a third variant of the time display device according to the invention shown in figure 16 , an additional reduction gear train is provided intended to cooperate with the toothing 29b of the output wheel 29 of the differential (cf. figure 5 ).

Ce train de rouage est prévu pour indiquer l'heure du fuseau sélectionnée sur un cycle de 24h par le biais d'une aiguille supplémentaire A3.This cog train is designed to indicate the time in the time zone selected over a 24-hour cycle by means of an additional A3 hand.

22 èmeth complémentcomplement

Il convient de souligner que le dispositif décrit par le deuxième complément n'est pas couvert par les revendications. Le dispositif ne représente donc pas un mode de réalisation de l'invention, mais un exemple utile à la compréhension de l'invention.It should be emphasized that the device described by the second supplement is not covered by the claims. The device therefore does not represent an embodiment of the invention, but an example useful for understanding the invention.

Quelque soit le mode de réalisation ou la variante envisagé, suivant un autre complément représenté sur les figures 17 à 21, l'étoile 8, dont on a vu dans les variantes précédentes qu'elle mémorise le décalage horaire entre les deux fuseaux horaires, est solidaire d'une roue engrenant avec un disque D.Whatever the embodiment or the variant envisaged, according to another supplement shown in the figures 17 to 21 , star 8, which we have seen in the previous variants that it memorizes the time difference between the two time zones, is integral with a wheel meshing with a disk D.

On peut alors définir le premier fuseau horaire comme étant le fuseau horaire de référence et le deuxième fuseau comme étant celui d'un lieu dans lequel le porteur de la montre est amené à séjourner et qui se règle relativement au premier fuseau horaire de référence.The first time zone can then be defined as being the reference time zone and the second time zone as being that of a place in which the wearer of the watch is required to stay and which is adjusted relative to the first reference time zone.

Le disque d'affichage du décalage horaire D est lié cinématiquement à l'étoile de correction rapide du deuxième fuseau horaire 8 par le biais de la roue additionnelle 45'.The time difference display disk D is kinematically linked to the fast correction star of the second time zone 8 by means of the additional wheel 45 '.

Ainsi, lorsque le dispositif affiche le deuxième fuseau horaire (fig. 17, 18, 19, 14), une correction rapide au moyen de la tige de commande T, qui est préalablement positionnée en position II, génère le saut de l'aiguille des heures A1 par pas d'une heure, ainsi que l'entraînement du disque D qui comptabilise le nombre d'heures qui séparent le deuxième fuseau du premier fuseau horaire de référence.So when the device displays the second time zone ( fig. 17 , 18 , 19 , 14 ), a rapid correction by means of the control rod T, which is previously positioned in position II, generates the jump of the hour hand A1 in steps of one hour, as well as the drive of the disk D which counts the number of hours separating the second zone from the first reference time zone.

Le disque D est gradué sur une amplitude de 24 heures et le crantage des deux organes indicateurs A1 et D est uniquement défini par le pas angulaire de l'étoile 8 qui coopère avec le ressort de rappel 58.The disc D is graduated over an amplitude of 24 hours and the notching of the two indicator members A1 and D is only defined by the angular pitch of the star 8 which cooperates with the return spring 58.

Dans cette configuration, l'indication du décalage horaire est visible à travers un guichet G qui est situé à 3 heures sur le cadran (fig. 18). Comme représenté sur la figure 19, le disque D n'est pas recouvert par un masque M. Ce masque M peut être rapporté sur le levier 1 ou coopérer avec ce dernier, notamment par le biais d'un rouage approprié.In this configuration, the time difference indication is visible through a window G which is located at 3 o'clock on the dial ( fig. 18 ). As shown on figure 19 , the disk D is not covered by a mask M. This mask M can be attached to the lever 1 or cooperate with the latter, in particular by means of an appropriate gear train.

Ce levier 1 présente une position angulaire parfaitement définie pour chacun des deux fuseaux horaires du fait de la coopération de l'extrémité 1b du levier 1 et du profil 5a, 5b de la roue à colonnes 5. Ainsi, le masque M est agencé de manière à ne pas couvrir l'indication du disque D apparaissant au sein du guichet G lorsque l'extrémité 1b du levier 1 est positionnée contre l'une des colonnes du profil 5b de la roue à colonnes 5 (fig. 14), configuration qui correspond à la sélection de l'affichage du deuxième fuseau horaire.This lever 1 has a perfectly defined angular position for each of the two time zones due to the cooperation of the end 1b of the lever 1 and of the profile 5a, 5b of the column wheel 5. Thus, the mask M is arranged so not to cover the indication of the disc D appearing within the window G when the end 1b of the lever 1 is positioned against one of the columns of the profile 5b of the column wheel 5 ( fig. 14 ), configuration which corresponds to the selection of the display of the second time zone.

Une pression sur l'organe de commande P induit la rotation d'un pas angulaire de la roue à colonnes 5, ce qui a pour conséquence de positionner l'extrémité 1b du levier 1 dans l'un des creux 5a (fig. 7) et donc de modifier la position angulaire du levier 2 et du masque M de manière à faire afficher l'heure du premier fuseau de référence, et de recouvrir l'indication du disque D au sein du guichet G (fig. 19,20). Le masque peut porter une indication visible dans le guichet dans cette position. Cette indication permet par exemple d'identifier le premier fuseau. Dans cette configuration, une correction à l'aide de la tige de commande T, qui est préalablement positionnée en position II, n'a aucune incidence sur la position angulaire du disque D car la chaîne de correction de l'heure passe par le mobile de minuterie et non par l'étoile de correction 8. Ainsi, la rotation de la tige de commande T entraîne une mise à l'heure traînante de l'aiguille des heures A1 ainsi que de celle des minutes A2 indépendamment du disque D.Pressure on the control member P induces the rotation of an angular pitch of the column wheel 5, which has the consequence of positioning the end 1b of the lever 1 in one of the hollows 5a ( fig. 7 ) and therefore to modify the angular position of the lever 2 and of the mask M so as to display the time of the first reference time zone, and to cover the indication of the disc D within the window G ( fig. 19.20 ). The mask may bear an indication visible in the aperture in this position. This indication makes it possible, for example, to identify the first time zone. In this configuration, a correction using the control rod T, which is previously positioned in position II, has no effect on the angular position of the disc D because the time correction chain passes through the mobile. timer and not by the correction star 8. Thus, the rotation of the control rod T causes a trailing time of the hour hand A1 as well as that of the minutes A2 independently of the disc D.

Ainsi, le disque D d'indication du décalage horaire, qui est affiché de façon intermittente, présente un fonctionnement similaire à celui d'un disque affichant le décalage horaire de façon permanente.Thus, the time difference indicating disk D, which is displayed intermittently, has an operation similar to that of a disk displaying the time difference permanently.

Il s'ensuit qu'aucune énergie supplémentaire n'est à prévoir au sein des mécanismes des première et deuxième variantes pour mettre en place cette indication additionnelle. Seul un dispositif bistable, piloté par le mécanisme de commutation, est nécessaire afin de dévoiler le disque d'affichage du décalage horaire de façon intermittente.It follows that no additional energy is to be provided within the mechanisms of the first and second variants to set up this additional indication. Only a bistable device, driven by the switching mechanism, is needed in order to reveal the time difference display disc intermittently.

Si l'on combine ce deuxième complément au premier qui comporte une aiguille A3 indiquant l'heure sur un cycle 24h (fig. 16), il est possible d'afficher l'heure de deux fuseaux horaires de façon univoque et de permettre un réglage aisé de l'heure du fuseau horaire local grâce au disque D d'affichage du décalage horaire, sans pour autant encombrer le cadran et compromettre la compréhension des indications horaires.If we combine this second complement to the first which includes an A3 hand indicating the time on a 24 hour cycle ( fig. 16 ), it is possible to display the time of two time zones unambiguously and to allow easy adjustment of the time of the local time zone thanks to the time difference display disc D, without cluttering the dial and compromise the understanding of time indications.

La montre représentée sur la figure 20 indique qu'il est 07:50 au fuseau horaire de référence UTC 0, à Londres par exemple. Une pression sur le bouton-poussoir P affiche l'heure du lieu dans lequel séjourne le porteur tout en révélant le nombre d'heures qui séparent ce deuxième fuseau du fuseau horaire de référence. Sur la figure 21, la montre indique alors qu'il est 11:50 à Dubaï (UTC+4).The watch shown on figure 20 indicates that it is 07:50 in the reference time zone UTC 0, in London for example. Pressing push-button P displays the time of the place in which the wearer is staying while revealing the number of hours separating this second zone from the reference time zone. On the figure 21 , the watch then indicates that it is 11:50 in Dubai (UTC + 4).

Dans ce document, il est mentionné « un organe de sélection à deux positions ». Un exemple d'un tel organe est une roue à colonne. Il est clair qu'un tel organe peut occuper plus de deux positions, notamment 12 positions distinctes pour une roue à 6 colonnes, un premier ensemble de 6 positions telles que le premier levier se trouve dans une première position donnée et un deuxième ensemble de 6 positions telles que le premier levier se trouve dans une deuxième position donnée. Il est clair que « organe de sélection à deux positions » recouvre tout organe de sélection capable de positionner le premier levier dans au moins deux positions distinctes, notamment au moins deux positions stables distinctes.In this document, it is mentioned "a selection body with two positions". An example of such a member is a column wheel. It is clear that such a member can occupy more than two positions, in particular 12 distinct positions for a 6 column wheel, a first set of 6 positions such that the first lever is in a first given position and a second set of 6. positions such that the first lever is in a second given position. It is clear that “two-position selection member” covers any selection member capable of positioning the first lever in at least two distinct positions, in particular at least two distinct stable positions.

On remarque que le dispositif selon l'invention permet de sélectionner le mécanisme de correction du fuseau horaire affiché, notamment la chaîne de rouage de réglage ou de correction du fuseau horaire affiché, au moyen d'un même mécanisme de commutation. Le mécanisme de réglage ou de correction de l'un ou l'autre des deux fuseaux horaires peut notamment être un mécanisme de réglage de l'heure qui est associé à celui des minutes.It should be noted that the device according to the invention makes it possible to select the mechanism for correcting the displayed time zone, in particular the gear chain for adjusting or correcting the displayed time zone, by means of the same switching mechanism. The mechanism for adjusting or correcting one or the other of the two time zones may in particular be a mechanism for adjusting the hour which is associated with that of the minutes.

Claims (15)

  1. A device (300; 200) for displaying the time, notably a timepiece (300) or a timepiece movement (200) comprising a time display member (A1, A2) and a switchover mechanism (100) allowing the time display member to switch over between a first time zone and a second time zone and to select a first geartrain for setting the first time zone or a second geartrain for setting the second time zone, this switchover mechanism comprising:
    - a first heart piece (3) able to rotate, connected to the display member (A1, A2) by a drivetrain,
    - a first lever (1) having a first end (1a) designed to collaborate with the first heart piece (3) in order to cause the display member (A1, A2) to indicate the time in the first time zone,
    - a second lever (2; 42) designed to make the display member (A1, A2) indicate the time in the second time zone,
    - a two-position selection member (5) collaborating with the first lever (1), and
    - a control member (P) for selecting the first or the second time zone to be displayed and which collaborates with the two-position selection member (5),
    the two-position selection member (5) being designed to collaborate directly with a second end (1b) of the first lever (1).
  2. The device as claimed in claim 1, in which the first lever (1) and the second lever (2) are joined together, notably the first lever (1) being fixed on the second lever (2).
  3. The device as claimed in one of claims 1 to 2, further comprising a second heart piece (4) coaxial with the first heart piece (3), able to rotate independently of the latter, connected to the display member (A1, A2) by a second drivetrain and designed to collaborate with said second lever (2, 42).
  4. The device as claimed in one of claims 1 to 3, comprising an control stem (T) able to occupy at least two positions, the control stem (T), in one of these positions, collaborating with the control member (P) and/or with the selection member (5) so as to set the time in the first or second time zone selected by the control member (P) and displayed by the display member (A1, A2).
  5. The device as claimed in the preceding claim, in which the positions of the control stem (T) comprise a rewind position and a time-setting position, the control stem (T), in the time-setting position, collaborating with the control member (P) and/or with the selection member (5) so as to set the time in the first or second time zone selected by the control member (P) and displayed by the display member (A1, A2).
  6. The device as claimed in one of claims 4 to 5, comprising a clutch perpendicular to the longitudinal axis of the control stem (T) and collaborating with a winding pinion (51) so as to actuate the winding mechanism.
  7. The device as claimed in one of the preceding claims, in which the first and second setting geartrains are distinct.
  8. The device as claimed in one of the preceding claims, in which the device, notably the switchover mechanism, comprises selection means (16, 25; 54, 1c) for selecting the first or second setting geartrain corresponding to the time zone selected and displayed by the display member (A1, A2) and by means of which the time is to be set.
  9. The device as claimed in the preceding claim, in which the control stem (T) collaborates with a pull-out piece (15, 50) itself collaborating, firstly, with at least one rocking lever (18, 21, 53) to set the time, and secondly, with said selection means (16, 25; 54, 1c) that select the setting geartrain.
  10. The device as claimed in one of claims 8 and 9, in which the means for selecting the setting geartrain comprise, firstly, a second pull-out piece (16) collaborating with the first pull-out piece (15), a first rocking lever (18) and a second rocking lever (21) and, secondly, a follower (25) collaborating with the second pull-out piece (16), the first rocking lever (18), the second rocking lever (21) and the column wheel (5).
  11. The device as claimed in one of claims 8 to 10, in which the selection means that select the setting geartrain comprise a cam (54) and an arm (1c) provided on the first lever (1) and collaborating with the cam (54) .
  12. The device as claimed in the preceding claim, in which one end of the arm (1c) of the lever (1) is designed to collaborate with a pin (57) fixed to the cam (54) so as to cause the latter to pivot in such a way that it drives a rocking lever (53) via the rotating of the pull-out piece (50).
  13. The device as claimed in one of the preceding claims, in which the first and second setting geartrains are connected to two distinct inputs of a differential and/or in which one or other of the two setting geartrains is kinematically connected to the minutes indication and/or further comprising a hand (A3) designed to indicate the time in the time zone selected by the control member (P) over a 24-hour cycle.
  14. The device as claimed in one of the preceding claims, further comprising a display member (D), for displaying the time difference between the two time zones, notably in number of hours.
  15. The device as claimed in the preceding claim, comprising a dial provided with an aperture (G) and a mask (M) provided between the display member (D) and a dial of the device, in order, depending on the position of the first lever (1) to either mask or not mask the part of the display member (D) that is situated facing the aperture (G).
EP12756155.3A 2011-09-01 2012-08-30 Timepiece capable of displaying two time zones Active EP2751622B1 (en)

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Applications Claiming Priority (3)

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EP11405310 2011-09-01
PCT/EP2012/066850 WO2013030268A1 (en) 2011-09-01 2012-08-30 Time piece capable of displaying two time zones
EP12756155.3A EP2751622B1 (en) 2011-09-01 2012-08-30 Timepiece capable of displaying two time zones

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JP (1) JP6166724B2 (en)
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JP2014525574A (en) 2014-09-29
CN103842916B (en) 2017-06-16
CN103842916A (en) 2014-06-04
EP2751622A1 (en) 2014-07-09
US9405274B2 (en) 2016-08-02
JP6166724B2 (en) 2017-07-19
US20140321247A1 (en) 2014-10-30
WO2013030268A1 (en) 2013-03-07

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