EP2254007A1 - Device for displaying the power reserve for a timepiece - Google Patents

Device for displaying the power reserve for a timepiece Download PDF

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Publication number
EP2254007A1
EP2254007A1 EP09006699A EP09006699A EP2254007A1 EP 2254007 A1 EP2254007 A1 EP 2254007A1 EP 09006699 A EP09006699 A EP 09006699A EP 09006699 A EP09006699 A EP 09006699A EP 2254007 A1 EP2254007 A1 EP 2254007A1
Authority
EP
European Patent Office
Prior art keywords
indicator member
time
power reserve
power
time scale
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.)
Granted
Application number
EP09006699A
Other languages
German (de)
French (fr)
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EP2254007B1 (en
Inventor
Johnny Girardin
Franck Orny
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.)
Telos Watch SA
Original Assignee
Telos Watch SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telos Watch SA filed Critical Telos Watch SA
Priority to EP20090006699 priority Critical patent/EP2254007B1/en
Publication of EP2254007A1 publication Critical patent/EP2254007A1/en
Application granted granted Critical
Publication of EP2254007B1 publication Critical patent/EP2254007B1/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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
    • 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
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands

Definitions

  • the present invention relates to a display of the power reserve for a timepiece such as a wristwatch.
  • the device comprises a rotating disk carrying a time scale defining the days of the week, a fixed index opposite which moves the disk to indicate the current day of the week, and a rotary needle coaxial with the disk and whose position by time scale report indicates the day of the week when the cylinder spring of the timepiece will have to be reassembled.
  • the disc rotates counterclockwise.
  • the needle rotates counter-clockwise when disarming the barrel spring and clockwise when winding the barrel spring.
  • This display device has the disadvantage of being complex, in that it requires in particular a differential to allow the rotation of the needle in both directions.
  • the present invention aims at remedying this drawback and proposes for this purpose a display device for a timepiece with a rearmable motor member, comprising a time scale, a time indicator member cooperating with the time scale and a power reserve indicator member cooperating with the time scale, characterized in that the time scale is fixed, the time indicator member is movable in a predetermined direction for indicating the time, and the indicating member power reserve is arranged to remain fixed during the disarming of the drive member and to move in said predetermined direction during the arming of the drive member.
  • the power reserve indicator member carries a power reserve scale located opposite the time scale.
  • the power reserve indicator member is typically driven by a force coming from the shaft of the drive member.
  • connection between the power reserve indicator member and the motor shaft comprises friction
  • the power reserve indicator member is connected to the time indicator member so as to be blocked relative to the time indicating member when a sliding flange of the drive member is in motion.
  • the time indicator member and the power reserve indicator member may be respectively connected to first and second coaxial wheels interconnected by a pin fixed to one of the wheels and movable in an opening of the other wheel, this pin fulfilling said blocking function of the power reserve indicator member with respect to the time indicator member.
  • the display device further comprises a correction member that can take an engaged position and a disengaged position, the time indicator member and the power reserve indicator member are respectively connected to first and second coaxial wheels, and in the engaged position, the correction member is engaged with the first and second wheels to rotate them together.
  • a correction member that can take an engaged position and a disengaged position, the time indicator member and the power reserve indicator member are respectively connected to first and second coaxial wheels, and in the engaged position, the correction member is engaged with the first and second wheels to rotate them together.
  • the time indicator member is a rotating needle and the power reserve indicator member is a coaxial rotary disc with the needle and with the time scale.
  • the time indicator member and the power reserve indicator member are movable in translation parallel to the time scale.
  • the time scale and the time indicator member may form a date or day of the week display.
  • the Figures 1 to 8 represent a display device according to a first embodiment of the invention, for a timepiece with manual or automatic winding, that is to say a timepiece whose movement comprises a motor member that can be manually armed, using a winding crown, or automatically, by means of an oscillating mass driven by the movements of the wearer of the timepiece, disarming the motor member providing the energy required for functioning of movement.
  • the motor member may consist of one or more barrels each housing a spiral spring.
  • the display device comprises a fixed support 1 having a through circular opening 2 and, on its upper face, around the opening 2, a time scale 3.
  • the Time scale 3 is a regular circular distribution of numbers 1 to 31 of a month's calendar.
  • the fixed support 1 may be as shown, in the form of a ring intended to be fixed in an opening of the dial of the timepiece. It can also be constituted by the dial itself.
  • the display device further comprises a rotating needle 4 and a rotating disc 5 coaxial with the time scale 3, the rotating disc 5 being located in the opening 2 of the support 1 and the needle 4 being located above
  • the rotary disk 5 has on its upper face a pattern 6 whose dimensions depend on the running time, that is to say the time that elapses between the moment when the motor member is fully armed. and the one where the timepiece stops, without any rearming having taken place.
  • this pattern 6 occupies an angular sector the extent of which depends on the theoretical running time, and has a radial dimension which decreases in the clockwise direction by an end 7 corresponding to the fully-armed state of the driving member. at another end 8, of zero radial dimension, corresponding to the completely disarmed state of the motor member.
  • the needle 4 fulfills the dual function of indicating at a given instant the date of the current in cooperation with the time scale 3 and the power reserve in cooperation with the power reserve pattern or scale 6.
  • the power reserve is defined in the horological field as the amount of energy still available at the time considered or the remaining operating time until the stop of the timepiece that occurs when the drive member is completely disarmed.
  • the disc 5 remains fixed and the needle 4 moves over the pattern 6 and scale time 3 of 1/31 th turn per day clockwise. Each day, the tip of the needle 4 is located opposite the corresponding date of the time scale 3.
  • the angular distance between the needle 4 and the end 8 of the pattern 6 represents the theoretical power reserve.
  • the pattern 6 may comprise a solid main part 9 corresponding to an optimal operation and a guaranteed power reserve, and disjoint end segments 10 corresponding to a non-optimal operating zone with an unserviced power reserve.
  • the date in which is the end 11 of the solid part 9 opposite the end 7 corresponds to the date on which it is recommended to remount the timepiece. So, in the configuration illustrated in the figure 1 , the current date is 24, the motor is almost fully armed and the recommended date for the next winding is 28, or rather 27 in the evening. In the configuration illustrated in figure 2 , the current date is 26, the motor is partially armed and the recommended date for the next winding is 28, or rather 27 at night.
  • the disc 5 with its pattern 6 is moved in the clockwise direction, that is to say in the direction of rotation of the needle 4.
  • the figure 3 shows the display of the power reserve after reassembly of the timepiece from the configuration illustrated in FIG. figure 2 .
  • the needle 4 and the disc 5 are moved together in the clockwise or counterclockwise direction, as will be explained later.
  • the driving mechanism of the needle 4 and the disc 5 is visible at Figures 4 to 8 .
  • the needle 4 is fixed on the axis 12a of a wheel 12 which meshes with a pinion 13 frictionally mounted on the axis of a wheel 14 which meshes with the pinion of a mobile 15 of the movement making a turn by 24 hours.
  • the needle 4 is driven by the mobile 15 at the aforementioned speed 1/31 th round by 24 hours.
  • the displacement of the needle 4 is continuous but the mechanism could be modified in a manner within the reach of the skilled person for this displacement is leaping.
  • the disk 5 is fixed on the barrel 16 of a wheel 17 which meshes with a pinion 18 frictionally mounted on the axis of a wheel 19 which meshes with the winding ratchet 20, mounted on the shaft 21 of the barrel 22.
  • the winding ratchet 20 is traditionally driven by the winding stem of the timepiece, via the winding pinion and the crown wheel.
  • the winding ratchet 20 is traditionally driven by the oscillating mass via different direction and reduction straightening mobiles.
  • the ratchet 20 rotates only in one direction, namely the direction of winding of the mainspring. It is indeed subject to the action of a ratchet that prevents it from turning in the opposite direction.
  • the rotation of the ratchet 20 causes a rotation of the disc 5 in the clockwise direction.
  • the wheels 12 and 17 are interconnected by a pin 23 fixed to the wheel 12 and can move in an oblong opening 24 of the wheel 17 (cf. figure 5 ).
  • This pin 23, as well as the friction with which the pinion 18 is mounted on the axis of the wheel 19, have the function of preventing a normal rotation of the wheel 17 and therefore the disc 5 clockwise in the case where the barrel 22 comprises a sliding flange, particularly in the case where the timepiece is self-winding, and when the maximum winding tension of the mainspring has been reached.
  • the ratchet 20 rotates without further arming the barrel spring, which protects the latter from breaking.
  • the pin 23 cooperating with the wall of the opening 24 blocks the wheel 17 relative to the wheel 12 in the clockwise direction, which is made possible by the friction between the pinion 18 and the wheel 19, of so that the end 7 of the pattern 6 can not go beyond the angular position of the needle 4 in the clockwise direction.
  • the device according to the invention further comprises a correction player 25 (cf. Figures 6 to 8 ).
  • the player 25 comprises a body 26 mounted on an axis 27 pivoting relative to the fixed parts of the timepiece, such as the dial, the box and the plate of the movement.
  • the axis 27 can occupy two angular positions, namely a disengaged position and an engaged position, controlled for example by the pull of the winding mechanism of the movement.
  • On the body 26 of the player 25 is mounted a wheel 28 whose axis 29 is rotatable relative to the body 26 and controlled for example by the rotation of the winding stem.
  • the toothing of the wheel 28 has a greater height than the toothing of each of the wheels 12, 17.
  • the wheel 28 In the disengaged position of the player 25 ( figure 6 ), the wheel 28 is out of contact with the wheels 12, 17 and can not act on them.
  • the wheel 28 In the engaged position of the player 25 ( figures 7 and 8 ), the wheel 28 is engaged with the two wheels 12, 17 and a rotation of the wheel 28 in one of the clockwise and counterclockwise rotates the wheels 12, 17 and thus the needle 4 and the disc 5 integrally with one another.
  • a manual correction of the date controlled by the winding stem or by another manual member protruding from the timepiece box, automatically causes a correction of the power reserve to prevent a maladjustment of the display of the power reserve compared to the date display.
  • the figure 9 shows a display device according to a second embodiment of the invention, wherein the date and the power reserve are displayed not circularly, over 360 °, as in the first embodiment, but linearly and retrograde manner .
  • This device comprises a fixed support 30 fixed to the dial of the timepiece or constituting the dial itself.
  • the support 30 carries a time scale 31 in the form an alignment of symbols (in the illustrated example: an alternation of the odd digits of the dates and points) representative of the dates.
  • the display device also comprises a needle or index 32 movable in translation opposite and parallel to the time scale 31 and monoblock with a rack 33 parallel to the time scale 31. Below the piece comprising the needle 32 and the rack 33 is arranged a plate 34 movable in translation opposite and parallel to the time scale 31.
  • the pinion 37 is engaged with a rake 39 subjected to the action of a spring 40 which applies it against a snail cam 41 mounted on the axis of a wheel 42 in solidarity with this wheel 42.
  • the wheel 42 is engaged with a pinion 43 frictionally mounted on the axis of a wheel 44 which is engaged with the pinion of a mobile 45 making a turn in 24 hours.
  • a wheel 46 is mounted free to rotate on the axis of the wheel 42 and is engaged with a pinion 47 frictionally mounted on the axis of a wheel 48 in engagement with the winding ratchet mounted on the shaft 49 of the barrel 50 of the movement.
  • the wheels 42, 46 are interconnected by a pin (not visible on the figure 9 ) attached to the wheel 42 and movable in an opening of the wheel 46.
  • the elements 42 to 45 operate in a similar manner to the elements 12 to 15 of the first embodiment and the elements 46 at 50 operate in a manner similar to elements 17 to 22 of the first embodiment.
  • the rotation of the cam 41 continuously displaces the rake 39 counter-clockwise, which moves the pinion 37 clockwise and thus the needle 32 to the right, this is ie towards the end of the time scale 31 corresponding to the date 31.
  • the wheel 38 and therefore the plate 34 remain fixed.
  • the winding ratchet rotates the wheel 38 clockwise, which moves the plate 34 and its pattern 35 to the right.
  • the pin binding the wheels 42, 46 blocks the movement of the pattern 35 relative to the needle 32 when a sliding flange is actuated in the barrel.
  • the rake 39 falls under the action of its spring 40 from the point of greatest radius of the cam 41 to the point of smaller radius. During this fall, the rake 39 moves in the clockwise direction and drives the pinion 37 in rotation in the counterclockwise direction, the wheel 38 is also rotated in the counter-clockwise direction by the action of the mechanism. clutch. The pattern 35 and the needle 32 back and sharply to the left in a position where the pointer 32 indicates the calendar 1, the pattern 35 being found with respect to the needle 32 in the same position as just before the fall rake 39.
  • a player 51 can be used to correct the date while simultaneously correcting the power reserve to maintain the adjustment between the date and the power reserve.
  • the display device could be modified in a manner within the reach of those skilled in the art to display another time value than the date, for example the day of the week.
  • the patterns 6, 35 are power reserve scales, which allow a reading not only of the date when it is necessary to remount the drive member but also the amount of energy available at a given moment, with respect to the maximum amount of energy stored by the drive member.
  • These power reserve scales could have another shape than that shown, for example the shape of a graduation.
  • these power reserve scales could be replaced by a simple index indicating the date at which reassembly must be performed.
  • the display device according to the invention is simple and inexpensive to produce. It does not require the use of a differential.

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

Abstract

The device has a time indicator hand (4) and a power reserve indicator unit cooperating with a fixed time scale (3). The time indicator hand is moved in a predetermined direction for indicating the time. The power reserve indicator unit is displaced in the predetermined direction during winding of the motor unit, and remains fixed during unwinding of a motor unit of the timepiece. The power reserve indicator unit is driven by the force coming from a shaft of the motor unit.

Description

La présente invention concerne un dispositif d'affichage de la réserve de marche pour une pièce d'horlogerie telle qu'une montre-bracelet.The present invention relates to a display of the power reserve for a timepiece such as a wristwatch.

On connaît par le brevet suisse CH 692 528 un dispositif d'affichage combiné de la réserve de marche et des jours de la semaine. Le dispositif comprend un disque rotatif portant une échelle de temps définissant les jours de la semaine, un index fixe en regard duquel se déplace le disque pour indiquer le jour courant de la semaine, et une aiguille rotative coaxiale avec le disque et dont la position par rapport à l'échelle de temps indique le jour de la semaine où le ressort de barillet de la pièce d'horlogerie devra être remonté. Le disque tourne dans le sens anti-horaire. L'aiguille tourne dans le sens anti-horaire lors du désarmage du ressort de barillet et dans le sens horaire lors de l'armage du ressort de barillet.We know by the Swiss patent CH 692 528 a combined display of the power reserve and days of the week. The device comprises a rotating disk carrying a time scale defining the days of the week, a fixed index opposite which moves the disk to indicate the current day of the week, and a rotary needle coaxial with the disk and whose position by time scale report indicates the day of the week when the cylinder spring of the timepiece will have to be reassembled. The disc rotates counterclockwise. The needle rotates counter-clockwise when disarming the barrel spring and clockwise when winding the barrel spring.

Ce dispositif d'affichage présente l'inconvénient d'être complexe, en ce sens qu'il nécessite notamment un différentiel pour permettre la rotation de l'aiguille dans les deux sens.This display device has the disadvantage of being complex, in that it requires in particular a differential to allow the rotation of the needle in both directions.

La présente invention vise à remédier à cet inconvénient et propose à cette fin un dispositif d'affichage pour une pièce d'horlogerie à organe moteur remontable, comprenant une échelle de temps, un organe indicateur de temps coopérant avec l'échelle de temps et un organe indicateur de réserve de marche coopérant avec l'échelle de temps, caractérisé en ce que l'échelle de temps est fixe, l'organe indicateur de temps est mobile dans un sens prédéterminé pour l'indication du temps, et l'organe indicateur de réserve de marche est agencé pour rester fixe pendant le désarmage de l'organe moteur et pour se déplacer dans ledit sens prédéterminé pendant l'armage de l'organe moteur.The present invention aims at remedying this drawback and proposes for this purpose a display device for a timepiece with a rearmable motor member, comprising a time scale, a time indicator member cooperating with the time scale and a power reserve indicator member cooperating with the time scale, characterized in that the time scale is fixed, the time indicator member is movable in a predetermined direction for indicating the time, and the indicating member power reserve is arranged to remain fixed during the disarming of the drive member and to move in said predetermined direction during the arming of the drive member.

Avantageusement, l'organe indicateur de réserve de marche porte une échelle de réserve de marche située en regard de l'échelle de temps.Advantageously, the power reserve indicator member carries a power reserve scale located opposite the time scale.

L'organe indicateur de réserve de marche est typiquement entraîné par une force venant de l'arbre de l'organe moteur.The power reserve indicator member is typically driven by a force coming from the shaft of the drive member.

De préférence, la liaison entre l'organe indicateur de réserve de marche et l'arbre de l'organe moteur comprend une friction, et l'organe indicateur de réserve de marche est lié à l'organe indicateur de temps de telle sorte à être bloqué par rapport à l'organe indicateur de temps lorsqu'une bride glissante de l'organe moteur est en mouvement.Preferably, the connection between the power reserve indicator member and the motor shaft comprises friction, and the power reserve indicator member is connected to the time indicator member so as to be blocked relative to the time indicating member when a sliding flange of the drive member is in motion.

L'organe indicateur de temps et l'organe indicateur de réserve de marche peuvent être reliés respectivement à des première et deuxième roues coaxiales liées entre elles par une goupille fixée à l'une des roues et mobile dans une ouverture de l'autre roue, cette goupille remplissant ladite fonction de blocage de l'organe indicateur de réserve de marche par rapport à l'organe indicateur de temps.The time indicator member and the power reserve indicator member may be respectively connected to first and second coaxial wheels interconnected by a pin fixed to one of the wheels and movable in an opening of the other wheel, this pin fulfilling said blocking function of the power reserve indicator member with respect to the time indicator member.

De préférence, le dispositif d'affichage selon l'invention comprend en outre un organe de correction pouvant prendre une position embrayée et une position débrayée, l'organe indicateur de temps et l'organe indicateur de réserve de marche sont reliés respectivement à des première et deuxième roues coaxiales, et en position embrayée, l'organe de correction est en prise avec les première et deuxième roues pour les faire tourner ensemble.Preferably, the display device according to the invention further comprises a correction member that can take an engaged position and a disengaged position, the time indicator member and the power reserve indicator member are respectively connected to first and second coaxial wheels, and in the engaged position, the correction member is engaged with the first and second wheels to rotate them together.

Dans un premier mode de réalisation, l'organe indicateur de temps est une aiguille rotative et l'organe indicateur de réserve de marche est un disque rotatif coaxial avec l'aiguille et avec l'échelle de temps.In a first embodiment, the time indicator member is a rotating needle and the power reserve indicator member is a coaxial rotary disc with the needle and with the time scale.

Dans un deuxième mode de réalisation, l'organe indicateur de temps et l'organe indicateur de réserve de marche sont mobiles en translation parallèlement à l'échelle de temps.In a second embodiment, the time indicator member and the power reserve indicator member are movable in translation parallel to the time scale.

L'échelle de temps et l'organe indicateur de temps peuvent former un affichage du quantième ou du jour de la semaine.The time scale and the time indicator member may form a date or day of the week display.

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

  • la figure 1 est une vue de dessus d'un dispositif d'affichage selon un premier mode de réalisation de l'invention ;
  • les figures 2 et 3 sont des vues de dessus du dispositif d'affichage selon le premier mode de réalisation de l'invention, montrant des configurations d'affichage différentes de celle de la figure 1 ;
  • la figure 4 est une vue en coupe du dispositif d'affichage selon le premier mode de réalisation de l'invention ;
  • la figure 5 est une vue en perspective du dispositif d'affichage selon le premier mode de réalisation de l'invention ;
  • la figure 6 est une vue de dessous du dispositif d'affichage selon le premier mode de réalisation de l'invention, montrant notamment un baladeur de correction dans un état débrayé ;
  • la figure 7 est une vue en perspective partielle de dessous du dispositif d'affichage selon le premier mode de réalisation de l'invention, montrant notamment le baladeur de correction dans un état embrayé ;
  • la figure 8 est une vue de profil du dispositif d'affichage selon le premier mode de réalisation de l'invention ; et
  • la figure 9 est une vue en perspective d'un dispositif d'affichage selon un deuxième mode de réalisation de l'invention.
Other characteristics and advantages of the present invention will appear on reading the following detailed description given with reference to the appended diagrammatic drawings in which:
  • the figure 1 is a top view of a display device according to a first embodiment of the invention;
  • the figures 2 and 3 are top views of the display device according to the first embodiment of the invention, showing display configurations different from that of the figure 1 ;
  • the figure 4 is a sectional view of the display device according to the first embodiment of the invention;
  • the figure 5 is a perspective view of the display device according to the first embodiment of the invention;
  • the figure 6 is a bottom view of the display device according to the first embodiment of the invention, showing in particular a correction player in a disengaged state;
  • the figure 7 is a partial perspective view from below of the display device according to the first embodiment of the invention, showing in particular the correction player in an engaged state;
  • the figure 8 is a profile view of the display device according to the first embodiment of the invention; and
  • the figure 9 is a perspective view of a display device according to a second embodiment of the invention.

Dans les figures annexées, à des fins de simplification, les dentures des roues et du râteau n'ont pas toutes été représentées.In the accompanying figures, for simplification purposes, the toothings of the wheels and the rake have not all been represented.

Les figures 1 à 8 représentent un dispositif d'affichage selon un premier mode de réalisation de l'invention, pour une pièce d'horlogerie à remontage manuel ou automatique, c'est-à-dire une pièce d'horlogerie dont le mouvement comprend un organe moteur pouvant être armé manuellement, à l'aide d'une couronne de remontoir, ou automatiquement, au moyen d'une masse oscillante mue par les mouvements du porteur de la pièce d'horlogerie, le désarmage de l'organe moteur fournissant l'énergie nécessaire au fonctionnement du mouvement. L'organe moteur peut être constitué d'un ou plusieurs barillets logeant chacun un ressort en spirale.The Figures 1 to 8 represent a display device according to a first embodiment of the invention, for a timepiece with manual or automatic winding, that is to say a timepiece whose movement comprises a motor member that can be manually armed, using a winding crown, or automatically, by means of an oscillating mass driven by the movements of the wearer of the timepiece, disarming the motor member providing the energy required for functioning of movement. The motor member may consist of one or more barrels each housing a spiral spring.

Le dispositif d'affichage selon ce premier mode de réalisation comprend un support fixe 1 présentant une ouverture circulaire traversante 2 et, sur sa face supérieure, autour de l'ouverture 2, une échelle de temps 3. Dans l'exemple représenté, l'échelle de temps 3 est une répartition circulaire régulière des chiffres 1 à 31 des quantièmes d'un mois. Le support fixe 1 peut être comme représenté, sous la forme d'une bague destinée à être fixée dans une ouverture du cadran de la pièce d'horlogerie. Il peut aussi être constitué par le cadran lui-même.The display device according to this first embodiment comprises a fixed support 1 having a through circular opening 2 and, on its upper face, around the opening 2, a time scale 3. In the example shown, the Time scale 3 is a regular circular distribution of numbers 1 to 31 of a month's calendar. The fixed support 1 may be as shown, in the form of a ring intended to be fixed in an opening of the dial of the timepiece. It can also be constituted by the dial itself.

Le dispositif d'affichage comprend en outre une aiguille rotative 4 et un disque rotatif 5 coaxiaux avec l'échelle de temps 3, le disque rotatif 5 étant situé dans l'ouverture 2 du support 1 et l'aiguille 4 étant située au-dessus du disque 5. Le disque rotatif 5 présente sur sa face supérieure un motif 6 dont les dimensions dépendent de la durée de marche, c'est-à-dire du temps qui s'écoule entre le moment où l'organe moteur est complètement armé et celui où la pièce d'horlogerie s'arrête, sans qu'aucun réarmage n'ait eu lieu. Comme on le voit sur la figure 1, ce motif 6 occupe un secteur angulaire dont l'étendue dépend de la durée de marche théorique, et a une dimension radiale qui va en diminuant dans le sens horaire d'une extrémité 7 correspondant à l'état complètement armé de l'organe moteur à une autre extrémité 8, de dimension radiale nulle, correspondant à l'état complètement désarmé de l'organe moteur.The display device further comprises a rotating needle 4 and a rotating disc 5 coaxial with the time scale 3, the rotating disc 5 being located in the opening 2 of the support 1 and the needle 4 being located above The rotary disk 5 has on its upper face a pattern 6 whose dimensions depend on the running time, that is to say the time that elapses between the moment when the motor member is fully armed. and the one where the timepiece stops, without any rearming having taken place. As we see on the figure 1 this pattern 6 occupies an angular sector the extent of which depends on the theoretical running time, and has a radial dimension which decreases in the clockwise direction by an end 7 corresponding to the fully-armed state of the driving member. at another end 8, of zero radial dimension, corresponding to the completely disarmed state of the motor member.

L'aiguille 4 remplit la double fonction d'indiquer à un instant donné le quantième courant en coopération avec l'échelle de temps 3 et la réserve de marche en coopération avec le motif ou échelle de réserve de marche 6. La réserve de marche est définie dans le domaine horloger comme la quantité d'énergie encore disponible à l'instant considéré ou le temps de fonctionnement restant jusqu'à l'arrêt de la pièce d'horlogerie qui intervient lorsque l'organe moteur est complètement désarmé. En l'absence de réarmage de l'organe moteur, le disque 5 reste fixe et l'aiguille 4 se déplace au-dessus du motif 6 et de l'échelle de temps 3 de 1/31ème de tour par jour dans le sens horaire. Chaque jour, la pointe de l'aiguille 4 se situe en regard du quantième correspondant de l'échelle de temps 3. La distance angulaire entre l'aiguille 4 et l'extrémité 8 du motif 6 représente la réserve de marche théorique. En pratique, le motif 6 peut comprendre une partie principale pleine 9 correspondant à un fonctionnement optimal et une réserve de marche garantie, et des segments disjoints d'extrémité 10 correspondant à une zone de fonctionnement non optimale et à réserve de marche non garantie. Le quantième au regard duquel se trouve l'extrémité 11 de la partie pleine 9 opposée à l'extrémité 7 correspond à la date à laquelle il est recommandé de remonter la pièce d'horlogerie. Ainsi, dans la configuration illustrée à la figure 1, le quantième courant est le 24, l'organe moteur est presque complètement armé et la date recommandée pour le prochain remontage est le 28, ou plutôt le 27 au soir. Dans la configuration illustrée à la figure 2, le quantième courant est le 26, l'organe moteur est partiellement armé et la date recommandée pour le prochain remontage est le 28, ou plutôt le 27 au soir.The needle 4 fulfills the dual function of indicating at a given instant the date of the current in cooperation with the time scale 3 and the power reserve in cooperation with the power reserve pattern or scale 6. The power reserve is defined in the horological field as the amount of energy still available at the time considered or the remaining operating time until the stop of the timepiece that occurs when the drive member is completely disarmed. In the absence of rearming of the drive member, the disc 5 remains fixed and the needle 4 moves over the pattern 6 and scale time 3 of 1/31 th turn per day clockwise. Each day, the tip of the needle 4 is located opposite the corresponding date of the time scale 3. The angular distance between the needle 4 and the end 8 of the pattern 6 represents the theoretical power reserve. In practice, the pattern 6 may comprise a solid main part 9 corresponding to an optimal operation and a guaranteed power reserve, and disjoint end segments 10 corresponding to a non-optimal operating zone with an unserviced power reserve. The date in which is the end 11 of the solid part 9 opposite the end 7 corresponds to the date on which it is recommended to remount the timepiece. So, in the configuration illustrated in the figure 1 , the current date is 24, the motor is almost fully armed and the recommended date for the next winding is 28, or rather 27 in the evening. In the configuration illustrated in figure 2 , the current date is 26, the motor is partially armed and the recommended date for the next winding is 28, or rather 27 at night.

Pendant un réarmage de l'organe moteur, le disque 5 avec son motif 6 est déplacé dans le sens horaire, c'est-à-dire dans le sens de rotation de l'aiguille 4. A titre d'illustration, la figure 3 montre l'affichage de la réserve de marche après remontage de la pièce d'horlogerie à partir de la configuration illustrée à la figure 2. Pendant une correction du quantième, l'aiguille 4 et le disque 5 sont déplacés ensemble dans le sens horaire ou anti-horaire, comme cela sera expliqué plus loin.During a rearming of the drive member, the disc 5 with its pattern 6 is moved in the clockwise direction, that is to say in the direction of rotation of the needle 4. As an illustration, the figure 3 shows the display of the power reserve after reassembly of the timepiece from the configuration illustrated in FIG. figure 2 . During a date correction, the needle 4 and the disc 5 are moved together in the clockwise or counterclockwise direction, as will be explained later.

Le mécanisme d'entraînement de l'aiguille 4 et du disque 5 est visible aux figures 4 à 8. L'aiguille 4 est fixée sur l'axe 12a d'une roue 12 qui engrène avec un pignon 13 monté à friction sur l'axe d'une roue 14 qui engrène avec le pignon d'un mobile 15 du mouvement faisant un tour par 24 heures. Par les rapports d'engrenage entre le mobile 15 et la roue 14, d'une part, et le pignon 13 et la roue 12, d'autre part, l'aiguille 4 est entraînée par le mobile 15 à la vitesse précitée de 1/31ème de tour par 24 heures. Dans l'exemple représenté, le déplacement de l'aiguille 4 est continu mais le mécanisme pourrait être modifié d'une manière à la portée de l'homme du métier pour que ce déplacement soit sautant.The driving mechanism of the needle 4 and the disc 5 is visible at Figures 4 to 8 . The needle 4 is fixed on the axis 12a of a wheel 12 which meshes with a pinion 13 frictionally mounted on the axis of a wheel 14 which meshes with the pinion of a mobile 15 of the movement making a turn by 24 hours. By the gear ratios between the mobile 15 and the wheel 14, on the one hand, and the pinion 13 and the wheel 12, on the other hand, the needle 4 is driven by the mobile 15 at the aforementioned speed 1/31 th round by 24 hours. In the example shown, the displacement of the needle 4 is continuous but the mechanism could be modified in a manner within the reach of the skilled person for this displacement is leaping.

Le disque 5 est fixé sur le canon 16 d'une roue 17 qui engrène avec un pignon 18 monté à friction sur l'axe d'une roue 19 qui engrène avec le rochet de remontage 20, monté sur l'arbre 21 du barillet 22 du mouvement. Dans le cas d'une pièce d'horlogerie à remontage manuel, le rochet de remontage 20 est entraîné de manière traditionnelle par la tige de remontoir de la pièce d'horlogerie, via le pignon de remontoir et la roue de couronne. Dans le cas d'une pièce d'horlogerie à remontage automatique, le rochet de remontage 20 est entraîné de manière traditionnelle par la masse oscillante via différents mobiles de redressement de sens et de réduction. Par définition, le rochet 20 ne tourne que dans un sens, à savoir le sens de l'armage du ressort de barillet. Il est en effet soumis à l'action d'un cliquet qui l'empêche de tourner dans l'autre sens. Lors de l'armage du ressort de barillet, la rotation du rochet 20 entraîne une rotation du disque 5 dans le sens horaire.The disk 5 is fixed on the barrel 16 of a wheel 17 which meshes with a pinion 18 frictionally mounted on the axis of a wheel 19 which meshes with the winding ratchet 20, mounted on the shaft 21 of the barrel 22. some movement. In the case of a timepiece with manual winding, the winding ratchet 20 is traditionally driven by the winding stem of the timepiece, via the winding pinion and the crown wheel. In the case of a self-winding timepiece, the winding ratchet 20 is traditionally driven by the oscillating mass via different direction and reduction straightening mobiles. By definition, the ratchet 20 rotates only in one direction, namely the direction of winding of the mainspring. It is indeed subject to the action of a ratchet that prevents it from turning in the opposite direction. During the winding of the mainspring, the rotation of the ratchet 20 causes a rotation of the disc 5 in the clockwise direction.

Les roues 12 et 17 sont liées entre elles par une goupille 23 fixée à la roue 12 et pouvant se déplacer dans une ouverture oblongue 24 de la roue 17 (cf. figure 5). Cette goupille 23, de même que la friction avec laquelle le pignon 18 est monté sur l'axe de la roue 19, ont pour fonction d'empêcher une rotation normale de la roue 17 et donc du disque 5 dans le sens horaire dans le cas où le barillet 22 comporte une bride glissante, en particulier dans le cas où la pièce d'horlogerie est à remontage automatique, et lorsque la tension d'armage maximale du ressort de barillet a été atteinte. Dans une telle situation, en effet, grâce à la bride glissante, le rochet 20 tourne sans armer davantage le ressort de barillet, ce qui protège ce dernier de la rupture. Pendant ce mouvement du rochet 20 sans armage supplémentaire du ressort de barillet, la goupille 23 coopérant avec la paroi de l'ouverture 24 bloque la roue 17 par rapport à la roue 12 dans le sens horaire, ce qui est rendu possible par la friction entre le pignon 18 et la roue 19, de sorte que l'extrémité 7 du motif 6 ne peut aller au-delà de la position angulaire de l'aiguille 4 dans le sens horaire.The wheels 12 and 17 are interconnected by a pin 23 fixed to the wheel 12 and can move in an oblong opening 24 of the wheel 17 (cf. figure 5 ). This pin 23, as well as the friction with which the pinion 18 is mounted on the axis of the wheel 19, have the function of preventing a normal rotation of the wheel 17 and therefore the disc 5 clockwise in the case where the barrel 22 comprises a sliding flange, particularly in the case where the timepiece is self-winding, and when the maximum winding tension of the mainspring has been reached. In such a situation, in fact, thanks to the sliding flange, the ratchet 20 rotates without further arming the barrel spring, which protects the latter from breaking. During this movement of the ratchet 20 without additional reinforcement of the mainspring, the pin 23 cooperating with the wall of the opening 24 blocks the wheel 17 relative to the wheel 12 in the clockwise direction, which is made possible by the friction between the pinion 18 and the wheel 19, of so that the end 7 of the pattern 6 can not go beyond the angular position of the needle 4 in the clockwise direction.

Pour permettre une correction manuelle du quantième, c'est-à-dire de la position angulaire de l'aiguille 4, le dispositif selon l'invention comprend en outre un baladeur de correction 25 (cf. figures 6 à 8). Le baladeur 25 comprend un corps 26 monté sur un axe 27 pivotant par rapport aux parties fixes de la pièce d'horlogerie, telles que le cadran, la boîte et la platine du mouvement. L'axe 27 peut occuper deux positions angulaires, à savoir une position débrayée et une position embrayée, commandées par exemple par la tirette du mécanisme de remontoir du mouvement. Sur le corps 26 du baladeur 25 est montée une roue 28 dont l'axe 29 est mobile en rotation par rapport au corps 26 et commandé par exemple par la rotation de la tige de remontoir. La denture de la roue 28 a une plus grande hauteur que la denture de chacune des roues 12, 17. Dans la position débrayée du baladeur 25 (figure 6), la roue 28 est hors de contact des roues 12, 17 et ne peut agir sur celles-ci. Dans la position embrayée du baladeur 25 (figures 7 et 8), la roue 28 est en prise avec les deux roues 12, 17 et une rotation de la roue 28 dans l'un ou l'autre des sens horaire et anti-horaire fait tourner les roues 12, 17 et donc l'aiguille 4 et le disque 5 de manière solidaire l'un de l'autre. Ainsi, une correction manuelle du quantième, commandée par la tige de remontoir ou par un autre organe manuel faisant saillie sur la boîte de la pièce d'horlogerie, entraîne automatiquement une correction de la réserve de marche pour éviter un déréglage de l'affichage de la réserve de marche par rapport à l'affichage du quantième.To allow a manual correction of the date, that is to say the angular position of the needle 4, the device according to the invention further comprises a correction player 25 (cf. Figures 6 to 8 ). The player 25 comprises a body 26 mounted on an axis 27 pivoting relative to the fixed parts of the timepiece, such as the dial, the box and the plate of the movement. The axis 27 can occupy two angular positions, namely a disengaged position and an engaged position, controlled for example by the pull of the winding mechanism of the movement. On the body 26 of the player 25 is mounted a wheel 28 whose axis 29 is rotatable relative to the body 26 and controlled for example by the rotation of the winding stem. The toothing of the wheel 28 has a greater height than the toothing of each of the wheels 12, 17. In the disengaged position of the player 25 ( figure 6 ), the wheel 28 is out of contact with the wheels 12, 17 and can not act on them. In the engaged position of the player 25 ( figures 7 and 8 ), the wheel 28 is engaged with the two wheels 12, 17 and a rotation of the wheel 28 in one of the clockwise and counterclockwise rotates the wheels 12, 17 and thus the needle 4 and the disc 5 integrally with one another. Thus, a manual correction of the date, controlled by the winding stem or by another manual member protruding from the timepiece box, automatically causes a correction of the power reserve to prevent a maladjustment of the display of the power reserve compared to the date display.

La figure 9 montre un dispositif d'affichage selon un deuxième mode de réalisation de l'invention, dans lequel le quantième et la réserve de marche sont affichés non pas circulairement, sur 360°, comme dans le premier mode de réalisation, mais linéairement et de manière rétrograde. Ce dispositif comprend un support fixe 30, fixé au cadran de la pièce d'horlogerie ou constituant le cadran lui-même. Le support 30 porte une échelle de temps 31 se présentant sous la forme d'un alignement de symboles (dans l'exemple illustré : une alternance des chiffres impairs des quantièmes et de points) représentatifs des quantièmes. Le dispositif d'affichage comprend aussi une aiguille ou index 32 mobile en translation en regard et parallèlement à l'échelle de temps 31 et monobloc avec une crémaillère 33 parallèle à l'échelle de temps 31. En dessous de la pièce comprenant l'aiguille 32 et la crémaillère 33 est disposée une plaque 34 mobile en translation en regard et parallèlement à l'échelle de temps 31. La plaque 34 comprend sur sa face supérieure un motif ou échelle de réserve de marche 35 dont les dimensions sont déterminées par la durée de marche du mouvement et sur l'une de ses tranches une crémaillère 36 parallèle à l'échelle de temps 31. Les crémaillères 33, 36 sont en prise respectivement avec le pignon 37 et la roue 38 d'un mobile d'embrayage. Le pignon 37 et la roue 38 sont liés entre eux, de manière connue en soi, par un mécanisme d'embrayage comprenant par exemple des galets ou des cliquets. Ce mécanisme rend la roue 38 solidaire du pignon 37 lorsque ce dernier tourne dans un sens, à savoir ici le sens anti-horaire, et permet à la roue 38 et au pignon 37 d'être libres l'un par rapport à l'autre dans l'autre sens, à savoir ici le sens horaire.The figure 9 shows a display device according to a second embodiment of the invention, wherein the date and the power reserve are displayed not circularly, over 360 °, as in the first embodiment, but linearly and retrograde manner . This device comprises a fixed support 30 fixed to the dial of the timepiece or constituting the dial itself. The support 30 carries a time scale 31 in the form an alignment of symbols (in the illustrated example: an alternation of the odd digits of the dates and points) representative of the dates. The display device also comprises a needle or index 32 movable in translation opposite and parallel to the time scale 31 and monoblock with a rack 33 parallel to the time scale 31. Below the piece comprising the needle 32 and the rack 33 is arranged a plate 34 movable in translation opposite and parallel to the time scale 31. The plate 34 comprises on its upper face a pattern or scale of power reserve 35 whose dimensions are determined by the duration the movement of the movement and on one of its slices a rack 36 parallel to the time scale 31. The racks 33, 36 are respectively engaged with the pinion 37 and the wheel 38 of a clutch mobile. The pinion 37 and the wheel 38 are interconnected, in a manner known per se, by a clutch mechanism comprising, for example, rollers or pawls. This mechanism makes the wheel 38 integral with the pinion 37 when the latter rotates in one direction, namely here the anti-clockwise direction, and allows the wheel 38 and pinion 37 to be free relative to each other in the other direction, namely here the clockwise direction.

Le pignon 37 est en prise avec un râteau 39 soumis à l'action d'un ressort 40 qui l'applique contre une came limaçon 41 montée sur l'axe d'une roue 42 de manière solidaire à cette roue 42. La roue 42 est en prise avec un pignon 43 monté à friction sur l'axe d'une roue 44 qui est en prise avec le pignon d'un mobile 45 faisant un tour par 24 heures. Une roue 46 est montée libre en rotation sur l'axe de la roue 42 et est en prise avec un pignon 47 monté à friction sur l'axe d'une roue 48 en prise avec le rochet de remontage monté sur l'arbre 49 du barillet 50 du mouvement. Les roues 42, 46 sont liées entre elles par une goupille (non visible sur la figure 9) fixée à la roue 42 et pouvant se déplacer dans une ouverture de la roue 46. Les éléments 42 à 45 fonctionnent de manière similaire aux éléments 12 à 15 du premier mode de réalisation et les éléments 46 à 50 fonctionnent de manière similaire aux éléments 17 à 22 du premier mode de réalisation.The pinion 37 is engaged with a rake 39 subjected to the action of a spring 40 which applies it against a snail cam 41 mounted on the axis of a wheel 42 in solidarity with this wheel 42. The wheel 42 is engaged with a pinion 43 frictionally mounted on the axis of a wheel 44 which is engaged with the pinion of a mobile 45 making a turn in 24 hours. A wheel 46 is mounted free to rotate on the axis of the wheel 42 and is engaged with a pinion 47 frictionally mounted on the axis of a wheel 48 in engagement with the winding ratchet mounted on the shaft 49 of the barrel 50 of the movement. The wheels 42, 46 are interconnected by a pin (not visible on the figure 9 ) attached to the wheel 42 and movable in an opening of the wheel 46. The elements 42 to 45 operate in a similar manner to the elements 12 to 15 of the first embodiment and the elements 46 at 50 operate in a manner similar to elements 17 to 22 of the first embodiment.

Du 1er au 31 de chaque mois, la rotation de la came 41 déplace continûment le râteau 39 dans le sens anti-horaire, ce qui déplace le pignon 37 dans le sens horaire et donc l'aiguille 32 vers la droite, c'est-à-dire vers l'extrémité de l'échelle de temps 31 correspondant au quantième 31. Pendant ce temps, en l'absence de réarmage du ressort de barillet, la roue 38 et donc la plaque 34 restent fixes. Au cours d'un armage du ressort de barillet, le rochet de remontage fait tourner la roue 38 dans le sens horaire, ce qui déplace la plaque 34 et son motif 35 vers la droite. Comme dans le premier mode de réalisation, la goupille liant les roues 42, 46 bloque le déplacement du motif 35 par rapport à l'aiguille 32 lorsqu'une bride glissante est actionnée dans le barillet.From the 1st to the 31st of each month, the rotation of the cam 41 continuously displaces the rake 39 counter-clockwise, which moves the pinion 37 clockwise and thus the needle 32 to the right, this is ie towards the end of the time scale 31 corresponding to the date 31. During this time, in the absence of rearming of the mainspring, the wheel 38 and therefore the plate 34 remain fixed. During winding of the barrel spring, the winding ratchet rotates the wheel 38 clockwise, which moves the plate 34 and its pattern 35 to the right. As in the first embodiment, the pin binding the wheels 42, 46 blocks the movement of the pattern 35 relative to the needle 32 when a sliding flange is actuated in the barrel.

Le 31 à minuit, le râteau 39 chute sous l'action de son ressort 40 du point de plus grand rayon de la came 41 au point de plus petit rayon. Pendant cette chute, le râteau 39 se déplace dans le sens horaire et entraîne le pignon 37 en rotation dans le sens anti-horaire, la roue 38 étant elle aussi entraînée en rotation dans le sens anti-horaire par l'action du mécanisme d'embrayage. Le motif 35 et l'aiguille 32 reviennent ainsi brusquement à gauche dans une position où l'aiguille 32 indique le quantième 1er, le motif 35 se retrouvant, par rapport à l'aiguille 32, dans la même position que juste avant la chute du râteau 39.On 31 at midnight, the rake 39 falls under the action of its spring 40 from the point of greatest radius of the cam 41 to the point of smaller radius. During this fall, the rake 39 moves in the clockwise direction and drives the pinion 37 in rotation in the counterclockwise direction, the wheel 38 is also rotated in the counter-clockwise direction by the action of the mechanism. clutch. The pattern 35 and the needle 32 back and sharply to the left in a position where the pointer 32 indicates the calendar 1, the pattern 35 being found with respect to the needle 32 in the same position as just before the fall rake 39.

Comme dans le premier mode de réalisation, un baladeur 51 peut être utilisé pour corriger le quantième tout en corrigeant simultanément la réserve de marche pour maintenir le réglage entre le quantième et la réserve de marche.As in the first embodiment, a player 51 can be used to correct the date while simultaneously correcting the power reserve to maintain the adjustment between the date and the power reserve.

Dans les deux modes de réalisation décrits ci-dessus, le dispositif d'affichage pourrait être modifié d'une manière à la portée de l'homme du métier pour afficher une autre grandeur temporelle que le quantième, par exemple le jour de la semaine.In the two embodiments described above, the display device could be modified in a manner within the reach of those skilled in the art to display another time value than the date, for example the day of the week.

Par ailleurs, dans les deux modes de réalisation décrits ci-dessus, les motifs 6, 35 sont des échelles de réserve de marche, qui permettent une lecture non seulement de la date à laquelle il faut remonter l'organe moteur mais également de la quantité d'énergie disponible à un instant donné, par rapport à la quantité d'énergie maximale emmagasinable par l'organe moteur. Ces échelles de réserve de marche pourraient avoir une autre forme que celle représentée, par exemple la forme d'une graduation. En variante, toutefois, ces échelles de réserve de marche pourraient être remplacées par un simple index indiquant la date à laquelle le remontage doit être effectué.Moreover, in the two embodiments described above, the patterns 6, 35 are power reserve scales, which allow a reading not only of the date when it is necessary to remount the drive member but also the amount of energy available at a given moment, with respect to the maximum amount of energy stored by the drive member. These power reserve scales could have another shape than that shown, for example the shape of a graduation. Alternatively, however, these power reserve scales could be replaced by a simple index indicating the date at which reassembly must be performed.

On notera que le dispositif d'affichage selon l'invention est simple et peu coûteux à réaliser. Il ne nécessite notamment pas l'emploi d'un différentiel.It will be noted that the display device according to the invention is simple and inexpensive to produce. It does not require the use of a differential.

Claims (10)

Dispositif d'affichage pour une pièce d'horlogerie à organe moteur remontable, comprenant une échelle de temps (3 ; 31), un organe indicateur de temps (4 ; 32) coopérant avec l'échelle de temps et un organe indicateur de réserve de marche (5 ; 34) coopérant avec l'échelle de temps, caractérisé en ce que l'échelle de temps (3 ; 31) est fixe, l'organe indicateur de temps (4 ; 32) est mobile dans un sens prédéterminé pour l'indication du temps, et l'organe indicateur de réserve de marche (5 ; 34) est agencé pour rester fixe pendant le désarmage de l'organe moteur et pour se déplacer dans ledit sens prédéterminé pendant l'armage de l'organe moteur.A display device for a timepiece having a motor-mounted member, comprising a time scale (3; 31), a time indicator member (4; 32) cooperating with the time scale and a reserve indicator member step (5; 34) cooperating with the time scale, characterized in that the time scale (3; 31) is fixed, the time indicator member (4; 32) is movable in a predetermined direction for indication of the time, and the power-reserve indicator member (5; 34) is arranged to remain stationary during the disarming of the drive member and to move in said predetermined direction during the winding of the drive member. Dispositif selon la revendication 1, caractérisé en ce que l'organe indicateur de réserve de marche (5 ; 34) porte une échelle de réserve de marche (6 ; 35) située en regard de l'échelle de temps (3 ; 31).Device according to claim 1, characterized in that the power reserve indicator (5; 34) carries a power reserve scale (6; 35) situated opposite the time scale (3; 31). Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'organe indicateur de réserve de marche (5 ; 34) est entraîné par une force venant de l'arbre (21 ; 49) de l'organe moteur (22 ; 50).Device according to Claim 1 or 2, characterized in that the power-reserve indicator (5; 34) is driven by a force coming from the shaft (21; 49) of the drive member (22; 50). . Dispositif selon la revendication 3, caractérisé en ce que la liaison entre l'organe indicateur de réserve de marche (5 ; 34) et l'arbre (21 ; 49) de l'organe moteur (22 ; 50) comprend une friction, et en ce que l'organe indicateur de réserve de marche (5 ; 34) est lié à l'organe indicateur de temps (4 ; 32) de telle sorte à être bloqué par rapport à l'organe indicateur de temps (4 ; 32) lorsqu'une bride glissante de l'organe moteur (22 ; 50) est en mouvement.Device according to Claim 3, characterized in that the connection between the power-reserve indicator member (5; 34) and the shaft (21; 49) of the driving member (22; 50) comprises friction, and in that the power reserve indicator member (5; 34) is connected to the time indicator member (4; 32) so as to be locked with respect to the time indicator member (4; 32). when a sliding flange of the motor member (22; 50) is in motion. Dispositif selon la revendication 4, caractérisé en ce que l'organe indicateur de temps (4 ; 32) et l'organe indicateur de réserve de marche (5 ; 34) sont reliés respectivement à des première et deuxième roues coaxiales (12, 17 ; 42, 46) liées entre elles par une goupille (23) fixée à l'une des roues (12 ; 42) et mobile dans une ouverture de l'autre roue (17 ; 46), cette goupille (23) remplissant ladite fonction de blocage de l'organe indicateur de réserve de marche (5 ; 34) par rapport à l'organe indicateur de temps (4 ; 32).Device according to claim 4, characterized in that the time indicator member (4; 32) and the power reserve indicator member (5; 34) are respectively connected to first and second coaxial wheels (12,17; 42, 46) interconnected by a pin (23) fixed to one of the wheels (12; 42) and movable in an opening of the other wheel (17; 46), this pin (23) fulfilling said function of blocking the power reserve indicator member (5; 34) relative to the time indicator member (4; 32). Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il comprend en outre un organe de correction (25 ; 51) pouvant prendre une position embrayée et une position débrayée, en ce que l'organe indicateur de temps (4 ; 32) et l'organe indicateur de réserve de marche (5 ; 34) sont reliés respectivement à des première et deuxième roues coaxiales (12, 17 ; 42, 46), et en ce qu'en position embrayée, l'organe de correction (25 ; 51) est en prise avec les première et deuxième roues (12, 17 ; 42, 46) pour les faire tourner ensemble.Device according to any one of claims 1 to 5, characterized in that it further comprises a correction member (25; 51) which can take an engaged position and a disengaged position, in that the time indicator member ( 4; 32) and the power-reserve indicator member (5; 34) are respectively connected to first and second coaxial wheels (12, 17; 42, 46), and that in the engaged position the correction device (25; 51) is engaged with the first and second wheels (12, 17; 42, 46) to rotate together. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'organe indicateur de temps est une aiguille rotative (4) et l'organe indicateur de réserve de marche est un disque rotatif (5) coaxial avec l'aiguille (4) et avec l'échelle de temps (3).Device according to any one of claims 1 to 6, characterized in that the time indicator member is a rotating needle (4) and the power reserve indicator member is a rotary disc (5) coaxial with the needle (4) and with the time scale (3). Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'organe indicateur de temps (32) et l'organe indicateur de réserve de marche (34) sont mobiles en translation parallèlement à l'échelle de temps (31).Device according to any one of claims 1 to 6, characterized in that the time indicator member (32) and the power reserve indicator member (34) are movable in translation parallel to the time scale (31). ). Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'échelle de temps (3 ; 31) et l'organe indicateur de temps (4 ; 32) forment un affichage du quantième.Device according to one of Claims 1 to 8, characterized in that the time scale (3; 31) and the time indicator member (4; 32) form a date display. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'échelle de temps et l'organe indicateur de temps forment un affichage du jour de la semaine.Device according to any one of claims 1 to 8, characterized in that the time scale and the time indicator member form a day of the week display.
EP20090006699 2009-05-19 2009-05-19 Device for displaying the power reserve for a timepiece Active EP2254007B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090006699 EP2254007B1 (en) 2009-05-19 2009-05-19 Device for displaying the power reserve for a timepiece

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Application Number Priority Date Filing Date Title
EP20090006699 EP2254007B1 (en) 2009-05-19 2009-05-19 Device for displaying the power reserve for a timepiece

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EP2254007A1 true EP2254007A1 (en) 2010-11-24
EP2254007B1 EP2254007B1 (en) 2014-01-01

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499635A (en) *
CH3053A (en) * 1890-08-20 1891-06-15 Sipmann Marinus Antonie Sequence indicator for clocks
CH4764A (en) * 1892-03-23 1892-10-31 Arthur Graizely Progress indicator and spring development for watches with 1 to 8 days of operation that can be used as a simple date
CH688874A5 (en) * 1996-01-18 1998-04-30 Patek Philippe Sa Indicateur de reserve de marche pour piece d'horlogerie mecanique
CH692528A5 (en) 1998-10-09 2002-07-15 Nardin Ulysse Sa Device power reserve indicator timepiece.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499635A (en) *
CH3053A (en) * 1890-08-20 1891-06-15 Sipmann Marinus Antonie Sequence indicator for clocks
CH4764A (en) * 1892-03-23 1892-10-31 Arthur Graizely Progress indicator and spring development for watches with 1 to 8 days of operation that can be used as a simple date
CH688874A5 (en) * 1996-01-18 1998-04-30 Patek Philippe Sa Indicateur de reserve de marche pour piece d'horlogerie mecanique
CH692528A5 (en) 1998-10-09 2002-07-15 Nardin Ulysse Sa Device power reserve indicator timepiece.

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