EP2876506A1 - Clock movement with two operation modes and timepiece provided with such a clock movement - Google Patents

Clock movement with two operation modes and timepiece provided with such a clock movement Download PDF

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Publication number
EP2876506A1
EP2876506A1 EP13194331.8A EP13194331A EP2876506A1 EP 2876506 A1 EP2876506 A1 EP 2876506A1 EP 13194331 A EP13194331 A EP 13194331A EP 2876506 A1 EP2876506 A1 EP 2876506A1
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EP
European Patent Office
Prior art keywords
wheel
mode
dial
movement
display
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
EP13194331.8A
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German (de)
French (fr)
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EP2876506B1 (en
Inventor
Frédéric Garinaud
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Guenat SA Montres Valgine
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Guenat SA Montres Valgine
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Priority to EP13194331.8A priority Critical patent/EP2876506B1/en
Priority to CH01956/13A priority patent/CH708889A2/en
Publication of EP2876506A1 publication Critical patent/EP2876506A1/en
Application granted granted Critical
Publication of EP2876506B1 publication Critical patent/EP2876506B1/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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/166—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 with rotating scales
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs

Definitions

  • the present invention relates to a watch movement comprising a power source arranged to maintain the oscillations of a time base, by means of a finishing train, and to drive at least a first display mobile of a first indication relative to the time or the operation of the timepiece, in a first mode of operation, a switching mechanism arranged to alternately control the passage of the first display mobile of the first operating mode to a second operating mode and vice versa, in response to an action by a user, the nature of the displacements of the first display mobile being different between the first and second modes of operation.
  • the present invention also relates to a timepiece provided with such a watch movement.
  • Pieces have two display modes.
  • the minute hands and current hours are usually oriented toward the midday position.
  • a pusher is typically provided to act on a mechanism for engaging the movement and position the two needles next to the graduations corresponding to the current time. When the pusher is released, the hands return to their position at noon.
  • the second state in which the timepiece does not indicate the current time, can mislead the user. Indeed, if he wants to quickly learn the current time without realizing that the timepiece is in the second state, he may think that he reads the time when it is not the case. Furthermore, the needles being immobile in the second state, the user can not ensure that his timepiece still works without returning to the first state of the display.
  • the main object of the present invention is to propose a watch movement which makes it possible alternatively to produce a timepiece offering an original display, notably a mode of operation in which the time is not displayed, in the spirit of the prior art parts described above, while providing the user with the possibility of having a conventional time display.
  • the watch movement according to the invention is characterized in that it comprises at least one rotary dial support and a locking member arranged to cooperate at least indirectly with the dial support and maintain it in a fixed position in the first mode of operation, the switching mechanism being also arranged to allow the dial support to rotate in the second mode of operation.
  • the user can identify very quickly in which mode of operation is his timepiece, in particular by observing the orientation of his dial.
  • the watch movement comprises first and second kinematic chains arranged to drive the first display unit, respectively, in the first and second modes of operation, the switching mechanism being further arranged to neutralize the first driveline during the transition from the first to the second operating mode, and activate the first drive train when changing from the second to the first operating mode.
  • the first kinematic chain comprises a counting wheel comprising a first wheel, arranged at least at least indirectly with the finishing gear, and a second wheel arranged at least indirectly with the first wheel. display, the first and second wheels being connected to each other by a catch-up mechanism arranged in such a manner that the angular position of the second wheel is indexed to that of the first wheel in the first operating mode, and that the second wheel can be driven to rotate with reference to the first wheel in the second mode of operation.
  • the counting mobile performs a memory function to allow a different display of the mobile display in the second mode of operation, without losing the information associated with the first mode of operation.
  • the second kinematic chain comprises a drive wheel carried by a clutch rocker rotatably mounted on a frame member of the watch movement, the switching mechanism being arranged to move alternately the clutch rocker between first and second positions. , respectively disengaged and engaged, respectively associated with the first and second modes of operation.
  • the driving wheel is arranged to present a kinematic connection, on the one hand, with the source of energy and, secondly, with the first mobile display, in the second mode of operation.
  • the drive wheel also has a kinematic connection with the dial support to ensure its rotational drive in the second mode of operation.
  • the dial of the corresponding timepiece can be rotated without requiring the implementation of a specific complex complementary construction.
  • the locking member may advantageously comprise a hammer arranged to cooperate with a cam secured to the dial support in the first mode of operation.
  • the switching mechanism comprises a column wheel.
  • the first display mobile is preferably intended to carry a display member of the current minute or time.
  • the first display mobile is arranged substantially in the center of the watch movement, the dial support comprising a ring coaxial with the first display mobile and intended to carry a dial.
  • the ring is secured to an inner bearing ring associated with an outer bearing ring integral with a frame member of the watch movement.
  • the present invention also relates to a timepiece comprising a watch movement including the characteristics that have just been stated.
  • FIG. 1 represents a simplified plan view of a watch movement according to a preferred embodiment of the invention, in a first mode of operation;
  • the figure 2 represents a simplified plan view of the watchmaking movement of the figure 1 in a second mode of operation
  • the figure 3 represents a simplified perspective view of a first construction detail of the watchmaking movement of the figure 1 ;
  • the figure 4 represents a simplified plan view and partial transparency of a second construction detail of the watch movement of the figure 1 , and
  • the figure 5 represents a simplified cross-sectional view of a third construction detail of the watch movement of the figure 1 .
  • the figures 1 and 2 represent, in a same simplified plan view, a watch movement 1 according to a preferred embodiment of the invention, respectively, in first and second modes of operation.
  • the watch movement is visible by its platinum side on these two figures.
  • the watch movement 1 comprises a base gauge, on the plate 2 which is assembled a particular display mechanism, according to the present invention.
  • a display mechanism is integrated directly into a template that would be developed specifically, without departing from the scope of the invention.
  • the watch movement 1 comprises a source of energy, here having the shape of a spring housed in a barrel (reference numeral 4 on the figure 3 ), arranged to maintain the oscillations of a time base (not visible), by means of a finishing train (not visible), and to ensure the training of first and second mobile display of the current hours and minutes that is to say, respectively, an hour wheel 6 and a floor 8.
  • a source of energy here having the shape of a spring housed in a barrel (reference numeral 4 on the figure 3 ), arranged to maintain the oscillations of a time base (not visible), by means of a finishing train (not visible), and to ensure the training of first and second mobile display of the current hours and minutes that is to say, respectively, an hour wheel 6 and a floor 8.
  • the watch movement 1 is arranged to allow the driving of the hour hand, therefore the hour wheel 6, according to different first and second modes of operation.
  • the hour wheel 6 is driven via a first kinematic chain 10 to display the current hours.
  • the hour wheel 6 is driven via a second kinematic chain 12 to display information different from the current hours, as will be apparent from the detailed description which follows.
  • the watch movement 1 carries a dial support 14, coaxial with the road and the hour wheel and intended to carry a dial (reference numeral 16 on the figure 5 ).
  • the dial support is fixed in the first mode of operation of the watch movement. However, it is assembled to the watch movement so as to be rotated, with reference to the plate 2, in the second mode of operation.
  • a timepiece To pass the corresponding timepiece from one mode of operation to another, it is preferably provided with a pusher (not shown) allowing a user to actuate a switching mechanism passing the room d clock from one mode of operation to another in response to each pressure on the pusher.
  • This switching mechanism comprises, in the present preferred embodiment but without limitation, a column wheel 18 may be rotated by action of the pusher on a control lever 20.
  • the control lever is arranged in a manner to present an actuating surface 22 in the region of the winding and setting rod 24, for illustrative purposes, the pusher being intended to be coaxial therewith in this case.
  • the column wheel 18 cooperates with a locking member of the dial support 14 having the shape of a hammer 26, a spout 28 is capable of cooperating with the columns, the hammer 26 acting on a core cam 30 secured to the support 14 in the first mode of operation.
  • the column wheel 18 also cooperates with a clutch rocker 32, rotatably mounted on the plate 2, and carrying a part of the mobiles making up the second kinematic chain 12.
  • the column wheel turns one step and goes to the state illustrated on the figure 2 , the watch movement tilting in the second mode of operation.
  • the spout 34 falls between two columns of the column wheel 18, which causes the clutch rocker 32 to pivot clockwise from the figure 1 to the figure 2 .
  • the second kinematic chain 12 is then activated and takes over the first kinematic chain 10, as will emerge from the explanations that follow, causing a change in the mode of movement of the wheel hours 6.
  • the dial support 14 can be rotated.
  • adapted springs are provided to cooperate with the clutch rocker and with the hammer, as well as a jumper with the column wheel, in a conventional manner.
  • the figure 3 is a simplified perspective view of a first construction detail of the watch movement 1 which allows to better present its operation, including the passage of one of its two modes of operation to another.
  • the roadway 8 is driven conventionally from the force released by the spring of the cylinder 4, being engaged with a timer wheel (not visible, behind the hour wheel on the figure 3 ).
  • the first driveline 10 is driven here from this timer wheel to drive the hour wheel 6 in the first mode of operation.
  • the first kinematic chain comprises a counting wheel 38 whose first function is to allow the driving of the hour wheel 6 in the first mode of operation, and a second function of which is to keep at all times the information relating to the current time.
  • the counting wheel 38 comprises first and second wheels, 40 and 42, coaxial and connected to each other by a catch mechanism.
  • the latter is advantageously similar to the mechanism provided for connecting to one another the two shafts bearing the seconds hands timed in a split-second mechanism.
  • the first wheel 40 carries a core cam 44 while the second wheel 42 carries a spring 46 associated with a hammer 48 reset to cooperate with the core cam 44 of the first wheel.
  • the first wheel 40 meshes with the timer wheel and is therefore permanently driven.
  • the second wheel 42 When the second wheel 42 is not subjected to any particular constraint, its angular position is indexed to that of the first wheel 40 by cooperation of the hammer 48 with the core cam 44.
  • the second wheel 42 When the second wheel 42 is stressed, either a blocking or a different drive from that of the first wheel 40, it can present a relative rotational movement with respect to the first wheel 40. In this case, the hammer 48 slides on the periphery of the core cam 44. When this stress ceases, the cooperation of the hammer 48 with the core cam 44, under the effect of the spring 46, causes a return of the second wheel 42 in its indexed position on that of the first wheel 40, as illustrated in FIG. figure 4 .
  • the second wheel 42 is arranged in engagement with a first gear 50, itself engaged with the hour wheel 6.
  • the hour wheel 6 is driven via the counting wheel 38 and the first reference 50, to allow the display of current hours in the usual way.
  • the dial support 14 which carries a toothing 52, is engaged with a second reference 54 of the second kinematic chain 12.
  • This second reference 54 has a fixed position on the plate 2 and is arranged in engagement with a third return 56 itself engaged with a drive wheel 58, the latter two mobiles 56 and 58 being carried by the clutch rocker 32.
  • the clutch rocker 32 In the first mode of operation, the clutch rocker 32 is in the disengaged position, as illustrated in FIG. figure 1 . In this configuration, the driving wheel 58 meshes only with the third return 56, the latter being engaged only with the second return 54.
  • the dial support 14 is locked by the hammer 26, in this case. mode of operation, the mobiles of the second kinematic chain 12 are also.
  • the driving wheel 58 meshes with the barrel 4 and begins to rotate on itself, thereby causing the third and second links 54 and 56 to rotate.
  • the third return 56 meshes with the hour wheel 6 and drives it in rotation in a manner different from that of the first mode of operation.
  • the new movement of the hour wheel 6 is transmitted to the counting wheel 38, via the first return 50, which induces a disengagement of the first and second wheels 40 and 42, as explained above.
  • the second reference 54 drives the dial support 14 in rotation, via its toothing 52. This results in a rotation of the dial 16 at the corresponding timepiece.
  • the hour wheel 6 is rotated in the counter-clockwise direction in the second mode of operation of the watch movement 1, while the dial 16 is rotated in clockwise.
  • the third return 56 releases the hour wheel 6, which can take up a position associated with the value of the current time, defined by the angular position of the first wheel 40 of the counting wheel 38, under the effect of the mechanism catching up.
  • the dial support 14 is replaced by the hammer 26 in its position corresponding to the conventional position of the dial 16, causing a rotation of the mobiles of the second kinematic chain 12 without affecting the operation of the watch movement 1, insofar as it is no longer engaged with the barrel 4.
  • the figure 5 represents a simplified cross-sectional view taken in the central region of the watch movement 1, and illustrates a preferred embodiment of the construction of the dial support 14 and its assembly to the movement.
  • the dial support here comprises several constituent elements stacked one on the other and held together by means of screws 60.
  • the dial support 14 comprises a ring 62 on which is fixed the dial 16, an inner bearing ring 64 and a wheel 66 bearing the toothing 52 for driving the dial in rotation, the core cam 30 being interposed between the ring 62 and the inner race ring 64, also being traversed by the screws 60.
  • the inner race ring 64 cooperates with an outer race ring 68 to define a path for balls 70 and together define a ball bearing.
  • the outer bearing ring 68 is intended to be secured at least indirectly to the plate 2 of the watch movement 1.
  • the toothed wheel 66 can be rotated by the second return 54 in the second mode of operation, its rotational movement being retransmitted to the elements of which it is integral, in particular the dial 16.
  • the core cam 30 can be replaced by a ring of positioning whose inner periphery defines a cam, thanks to a variable radius, the most important point of radius being associated with the zero position of the dial.
  • a hammer bearing for example a circular periphery roller could cooperate with the periphery of the ring to ensure a reset and a locking of the dial.
  • the drive of the dial in this case could also be made at the periphery of the movement, by means of an internal gear ring which would be integral with the dial and the positioning ring.
  • the second kinematic chain such that the movements of the hour hand and the dial are detectable during a short-term observation in the second mode of operation.
  • the hour hand could turn counter-clockwise in about one minute, while the dial would turn clockwise for the same amount of time.
  • the display mechanism that has just been described has the advantage of providing an original and discreet display, without the risk of misleading the user when the current time is not displayed.
  • any other known mechanism for driving a needle according to two different drive modes can be implemented without departing from the scope of the present invention, such as for example a mechanism with feeler and cam of the type described in the application.
  • the teaching of the present invention may be applied to any type of display member and not only to an hour hand.
  • the present invention can be implemented indifferently in relation to the hour hand or the minute hand.
  • the drive of the dial could be made on the basis of the value of a physical quantity to be displayed without departing from the scope of the invention.
  • the preferred embodiment as described provides a drive of the dial in the second mode of operation, this is not necessarily necessary. Indeed, the skilled person can predict that the dial is held fixed in the first operating mode and simply released in the second operating mode, to rotate on itself according to the movements of the corresponding timepiece . In this case, it is preferable to provide a heterogeneous distribution of the dial masses, or even to add an unbalance to make it more sensitive to the effects of gravity.
  • the mechanism can be constructed in the form of an additional module for enriching a basic watchmaker's caliber or be directly integrated into a watch movement.

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Abstract

Mouvement horloger (1) comportant
une source d'énergie (4) agencée pour assurer l'entraînement d'au moins un premier mobile d'affichage (6), dans un premier mode de fonctionnement,
un mécanisme de commutation (18, 20, 32) agencé pour commander alternativement le passage du premier mobile d'affichage (6) du premier mode de fonctionnement vers un second mode de fonctionnement et inversement, en réponse à une action d'un utilisateur, la nature des déplacements du premier mobile d'affichage (6) étant différente entre les premier et second modes de fonctionnement. Le mouvement (1) comporte au moins un support de cadran (14) rotatif ainsi qu'un organe de verrouillage (26) agencé pour coopérer avec le support de cadran (14) et le maintenir dans une position fixe dans le premier mode de fonctionnement, le mécanisme de commutation (18, 20, 32) étant également agencé pour permettre au support de cadran (14) de tourner dans le second mode de fonctionnement.

Figure imgaf001
Watch movement (1) comprising
a power source (4) arranged to drive at least a first display unit (6), in a first mode of operation,
a switching mechanism (18, 20, 32) arranged to alternately control the passage of the first display unit (6) from the first mode of operation to a second mode of operation and vice versa, in response to an action by a user, the nature of the displacements of the first display unit (6) being different between the first and second modes of operation. The movement (1) comprises at least one rotating dial support (14) and a locking member (26) arranged to cooperate with the dial support (14) and maintain it in a fixed position in the first operating mode the switching mechanism (18, 20, 32) also being arranged to allow the dial support (14) to rotate in the second operating mode.
Figure imgaf001

Description

Domaine techniqueTechnical area

La présente invention concerne un mouvement horloger comportant
une source d'énergie agencée pour entretenir les oscillations d'une base de temps, par l'intermédiaire d'un rouage de finissage, et assurer l'entraînement d'au moins un premier mobile d'affichage d'une première indication relative au temps ou au fonctionnement de la pièce d'horlogerie, dans un premier mode de fonctionnement,
un mécanisme de commutation agencé pour commander alternativement le passage du premier mobile d'affichage du premier mode de fonctionnement vers un second mode de fonctionnement et inversement, en réponse à une action d'un utilisateur, la nature des déplacements du premier mobile d'affichage étant différente entre les premier et second modes de fonctionnement.The present invention relates to a watch movement comprising
a power source arranged to maintain the oscillations of a time base, by means of a finishing train, and to drive at least a first display mobile of a first indication relative to the time or the operation of the timepiece, in a first mode of operation,
a switching mechanism arranged to alternately control the passage of the first display mobile of the first operating mode to a second operating mode and vice versa, in response to an action by a user, the nature of the displacements of the first display mobile being different between the first and second modes of operation.

La présente invention concerne également une pièce d'horlogerie munie d'un tel mouvement horloger.The present invention also relates to a timepiece provided with such a watch movement.

Etat de la techniqueState of the art

On connaît des pièces appelées communément "Bras en l'air" qui ont été produites à partir de la fin du 18ème siècle et jusqu'au début du 19ème siècle. Seuls quelques dizaines d'exemplaires sont répertoriées aujourd'hui, ces pièces n'ayant pas connu un très grand succès.There are known pieces commonly known as "Arms in the air" that were produced from the late 18 th century until the beginning of the 19 th century. Only a few dozen copies are listed today, these pieces have not been very successful.

Ces pièces présentent deux modes d'affichage. Par défaut, les aiguilles des minutes et des heures courantes sont généralement orientées en direction de la position midi. Un poussoir est typiquement prévu pour agir sur un mécanisme d'enclenchement du mouvement et positionner les deux aiguilles en regard des graduations correspondant à l'heure courante. Lorsque le poussoir est libéré, les aiguilles reprennent leur position à midi.These pieces have two display modes. By default, the minute hands and current hours are usually oriented toward the midday position. A pusher is typically provided to act on a mechanism for engaging the movement and position the two needles next to the graduations corresponding to the current time. When the pusher is released, the hands return to their position at noon.

Ainsi, un inconvénient principal de ces pièces, découlant directement de leur finalité, est qu'elles ne permettent de lire l'heure qu'à la demande.Thus, a major disadvantage of these parts, resulting directly from their purpose, is that they only read the time at the request.

Plus récemment, la demande de brevet EP 2159652 A1 a présenté une pièce d'horlogerie inspirée des anciennes pièces d'horlogerie du type à bras en l'air, mais dans laquelle les deux modes d'affichage prévus sont stables. Un poussoir permet d'actionner un mécanisme de commutation pour basculer alternativement entre un premier état, dans lequel les aiguilles des heures et des minutes affichent l'heure courante, et un second état, dans lequel les deux aiguilles prennent des positions fixes prédéfinies.More recently, the patent application EP 2159652 A1 presented a timepiece inspired by old timepieces of the arm-in-air type, but in which the two intended display modes are stable. A pusher actuates a switching mechanism to switch alternately between a first state, in which the hour and minute hands display the current time, and a second state, in which the two hands take fixed predefined positions.

Toutefois, le second état, dans lequel la pièce d'horlogerie n'indique pas l'heure courante, peut induire l'utilisateur en erreur. En effet, s'il souhaite s'informer rapidement de l'heure courante sans se rendre compte que la pièce d'horlogerie est dans le second état, il peut penser qu'il lit l'heure alors que ça n'est pas le cas. Par ailleurs, les aiguilles étant immobiles dans le second état, l'utilisateur ne peut pas s'assurer que sa pièce d'horlogerie fonctionne toujours sans revenir au premier état de l'affichage.However, the second state, in which the timepiece does not indicate the current time, can mislead the user. Indeed, if he wants to quickly learn the current time without realizing that the timepiece is in the second state, he may think that he reads the time when it is not the case. Furthermore, the needles being immobile in the second state, the user can not ensure that his timepiece still works without returning to the first state of the display.

Divulgation de l'inventionDisclosure of the invention

La présente invention a pour but principal de proposer un mouvement horloger qui permette de réaliser de manière alternative une pièce d'horlogerie offrant un affichage original, notamment un mode de fonctionnement dans lequel l'heure n'est pas affichée, dans l'esprit des pièces de l'art antérieur décrites ci-dessus, tout en offrant à l'utilisateur la possibilité de disposer d'un affichage de l'heure qui soit conventionnel.The main object of the present invention is to propose a watch movement which makes it possible alternatively to produce a timepiece offering an original display, notably a mode of operation in which the time is not displayed, in the spirit of the prior art parts described above, while providing the user with the possibility of having a conventional time display.

A cet effet, le mouvement horloger selon l'invention, présentant les caractéristiques énoncées plus haut, est caractérisé par le fait qu'il comporte au moins un support de cadran rotatif ainsi qu'un organe de verrouillage agencé pour coopérer au moins indirectement avec le support de cadran et le maintenir dans une position fixe dans le premier mode de fonctionnement, le mécanisme de commutation étant également agencé pour permettre au support de cadran de tourner dans le second mode de fonctionnement.For this purpose, the watch movement according to the invention, having the characteristics stated above, is characterized in that it comprises at least one rotary dial support and a locking member arranged to cooperate at least indirectly with the dial support and maintain it in a fixed position in the first mode of operation, the switching mechanism being also arranged to allow the dial support to rotate in the second mode of operation.

Grâce à ces caractéristiques, l'utilisateur peut identifier très rapidement dans quel mode de fonctionnement est sa pièce d'horlogerie, notamment en observant l'orientation de son cadran.Thanks to these characteristics, the user can identify very quickly in which mode of operation is his timepiece, in particular by observing the orientation of his dial.

De manière préférée, le mouvement horloger comporte des première et seconde chaînes cinématiques agencées pour assurer l'entraînement du premier mobile d'affichage, respectivement, dans les premier et second modes de fonctionnement, le mécanisme de commutation étant en outre agencé pour
neutraliser la première chaîne cinématique lors du passage du premier au second mode de fonctionnement, et
activer la première chaîne cinématique lors du passage du second au premier mode de fonctionnement.Preferably, the watch movement comprises first and second kinematic chains arranged to drive the first display unit, respectively, in the first and second modes of operation, the switching mechanism being further arranged to
neutralize the first driveline during the transition from the first to the second operating mode, and
activate the first drive train when changing from the second to the first operating mode.

En outre, on peut avantageusement prévoir que la première chaîne cinématique comporte un mobile de comptage comprenant une première roue, agencée en prise au moins indirectement avec le rouage de finissage, et une seconde roue agencée en prise au moins indirectement avec le premier mobile d'affichage, les première et seconde roues étant reliées l'une à l'autre par un mécanisme de rattrapage agencé de telle manière
que la position angulaire de la seconde roue est indexée sur celle de la première roue dans le premier mode de fonctionnement, et
que la seconde roue peut être entraînée pour présenter une rotation en référence à la première roue dans le second mode de fonctionnement.In addition, it is advantageous to provide that the first kinematic chain comprises a counting wheel comprising a first wheel, arranged at least at least indirectly with the finishing gear, and a second wheel arranged at least indirectly with the first wheel. display, the first and second wheels being connected to each other by a catch-up mechanism arranged in such a manner
that the angular position of the second wheel is indexed to that of the first wheel in the first operating mode, and
that the second wheel can be driven to rotate with reference to the first wheel in the second mode of operation.

Grâce à ces caractéristiques, le mobile de comptage remplit une fonction de mémoire pour permettre un entraînement du mobile d'affichage différent dans le second mode de fonctionnement, sans pour autant perdre l'information associée au premier mode de fonctionnement.Thanks to these characteristics, the counting mobile performs a memory function to allow a different display of the mobile display in the second mode of operation, without losing the information associated with the first mode of operation.

Préférablement, la seconde chaîne cinématique comporte un mobile d'entraînement porté par une bascule d'embrayage montée rotative sur un élément de bâti du mouvement horloger, le mécanisme de commutation étant agencé pour déplacer alternativement la bascule d'embrayage entre des première et seconde positions, respectivement débrayée et embrayée, associées, respectivement, aux premier et second modes de fonctionnement.Preferably, the second kinematic chain comprises a drive wheel carried by a clutch rocker rotatably mounted on a frame member of the watch movement, the switching mechanism being arranged to move alternately the clutch rocker between first and second positions. , respectively disengaged and engaged, respectively associated with the first and second modes of operation.

Dans ce cas, on prévoit avantageusement que le mobile d'entraînement est agencé pour présenter une liaison cinématique, d'une part, avec la source d'énergie et, d'autre part, avec le premier mobile d'affichage, dans le second mode de fonctionnement. En outre, de manière préférée, le mobile d'entraînement présente également une liaison cinématique avec le support de cadran pour assurer son entraînement en rotation dans le second mode de fonctionnement.In this case, it is advantageously provided that the driving wheel is arranged to present a kinematic connection, on the one hand, with the source of energy and, secondly, with the first mobile display, in the second mode of operation. In addition, preferably, the drive wheel also has a kinematic connection with the dial support to ensure its rotational drive in the second mode of operation.

Grâce à ces caractéristiques supplémentaires, le cadran de la pièce d'horlogerie correspondante peut être entraîné en rotation sans nécessiter la mise en oeuvre d'une construction complémentaire spécifique complexe.Thanks to these additional features, the dial of the corresponding timepiece can be rotated without requiring the implementation of a specific complex complementary construction.

De manière générale, l'organe de verrouillage peut avantageusement comprendre un marteau agencé pour coopérer avec une came solidaire du support de cadran dans le premier mode de fonctionnement.In general, the locking member may advantageously comprise a hammer arranged to cooperate with a cam secured to the dial support in the first mode of operation.

Par ailleurs, on peut prévoir que le mécanisme de commutation comprend une roue à colonnes.Furthermore, it can be provided that the switching mechanism comprises a column wheel.

Le premier mobile d'affichage est préférablement destiné à porter un organe d'affichage de la minute ou de l'heure courante.The first display mobile is preferably intended to carry a display member of the current minute or time.

Dans un mode de réalisation préféré, le premier mobile d'affichage est agencé sensiblement au centre du mouvement horloger, le support de cadran comprenant une bague coaxiale au premier mobile d'affichage et destinée à porter un cadran. Dans ce cas, on peut prévoir que la bague est solidaire d'une bague interne de roulement associée à une bague externe de roulement solidaire d'un élément de bâti du mouvement horloger.In a preferred embodiment, the first display mobile is arranged substantially in the center of the watch movement, the dial support comprising a ring coaxial with the first display mobile and intended to carry a dial. In this case, it can be provided that the ring is secured to an inner bearing ring associated with an outer bearing ring integral with a frame member of the watch movement.

La présente invention concerne également une pièce d'horlogerie comportant un mouvement horloger répondant notamment aux caractéristiques qui viennent d'être énoncées.The present invention also relates to a timepiece comprising a watch movement including the characteristics that have just been stated.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée d'un mode de réalisation préféré qui suit, faite en référence aux dessins annexés donnés à titre d'exemples non limitatifs et dans lesquels:Other features and advantages of the present invention will appear more clearly on reading the detailed description of a preferred embodiment which follows, made with reference to the accompanying drawings given by way of non-limiting examples and in which:

- la figure 1 représente une vue en plan simplifiée d'un mouvement horloger selon un mode de réalisation préféré de l'invention, dans un premier mode de fonctionnement;- the figure 1 represents a simplified plan view of a watch movement according to a preferred embodiment of the invention, in a first mode of operation;

- la figure 2 représente une vue en plan simplifiée du mouvement horloger de la figure 1, dans un second mode de fonctionnement;- the figure 2 represents a simplified plan view of the watchmaking movement of the figure 1 in a second mode of operation;

- la figure 3 représente une vue en perspective simplifiée d'un premier détail de construction du mouvement horloger de la figure 1;- the figure 3 represents a simplified perspective view of a first construction detail of the watchmaking movement of the figure 1 ;

- la figure 4 représente une vue en plan simplifiée et en transparence partielle d'un second détail de construction du mouvement horloger de la figure 1, et- the figure 4 represents a simplified plan view and partial transparency of a second construction detail of the watch movement of the figure 1 , and

- la figure 5 représente une vue en coupe transversale simplifiée d'un troisième détail de construction du mouvement horloger de la figure 1.- the figure 5 represents a simplified cross-sectional view of a third construction detail of the watch movement of the figure 1 .

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

Les figures 1 et 2 représentent, dans une même vue en plan simplifiée, un mouvement horloger 1 selon un mode de réalisation préféré de l'invention, respectivement, dans des premier et second modes de fonctionnement. Le mouvement horloger est visible par son côté platine sur ces deux figures.The figures 1 and 2 represent, in a same simplified plan view, a watch movement 1 according to a preferred embodiment of the invention, respectively, in first and second modes of operation. The watch movement is visible by its platinum side on these two figures.

Il apparaît des figures 1 et 2 que le mouvement horloger 1 comprend un calibre de base, sur la platine 2 duquel est assemblé un mécanisme d'affichage particulier, conforme à la présente invention. Bien entendu, il est possible de prévoir, en alternative, qu'un tel mécanisme d'affichage est intégré directement à un calibre qui serait développé spécifiquement, sans sortir du cadre de l'invention.It appears figures 1 and 2 that the watch movement 1 comprises a base gauge, on the plate 2 which is assembled a particular display mechanism, according to the present invention. Of course, it is possible to provide, alternatively, such a display mechanism is integrated directly into a template that would be developed specifically, without departing from the scope of the invention.

La plupart des composants conventionnels du calibre de base n'ayant pas de rapport direct avec l'invention n'ont pas été représentés sur les figures, dans un souci de clarté.Most of the conventional components of the basic gauge not directly related to the invention have not been shown in the figures for the sake of clarity.

De manière conventionnelle, le mouvement horloger 1 comprend une source d'énergie, présentant ici la forme d'un ressort logé dans un barillet (référence numérique 4 sur la figure 3), agencée pour entretenir les oscillations d'une base de temps (non visible), par l'intermédiaire d'un rouage de finissage (non visible), et assurer l'entraînement de premier et second mobiles d'affichage des heures et des minutes courantes c'est-à-dire, respectivement, une roue des heures 6 et une chaussée 8.Conventionally, the watch movement 1 comprises a source of energy, here having the shape of a spring housed in a barrel (reference numeral 4 on the figure 3 ), arranged to maintain the oscillations of a time base (not visible), by means of a finishing train (not visible), and to ensure the training of first and second mobile display of the current hours and minutes that is to say, respectively, an hour wheel 6 and a floor 8.

Selon le présent mode de réalisation préféré de l'invention, le mouvement horloger 1 est agencé pour permettre l'entraînement de l'aiguille des heures, donc de la roue des heures 6, suivant des premier et second modes de fonctionnement différents.According to the present preferred embodiment of the invention, the watch movement 1 is arranged to allow the driving of the hour hand, therefore the hour wheel 6, according to different first and second modes of operation.

Dans le premier mode de fonctionnement, la roue des heures 6 est entraînée par l'intermédiaire d'une première chaîne cinématique 10 pour afficher les heures courantes.In the first mode of operation, the hour wheel 6 is driven via a first kinematic chain 10 to display the current hours.

Dans le second mode de fonctionnement, la roue des heures 6 est entraînée par l'intermédiaire d'une seconde chaîne cinématique 12 pour afficher une information différente des heures courantes, comme cela ressortira de la description détaillée qui suit.In the second mode of operation, the hour wheel 6 is driven via a second kinematic chain 12 to display information different from the current hours, as will be apparent from the detailed description which follows.

En outre, le mouvement horloger 1 porte un support de cadran 14, coaxial à la chaussée et à la roue des heures et destiné à porter un cadran (référence numérique 16 sur la figure 5). Le support de cadran est fixe dans le premier mode de fonctionnement du mouvement horloger. Toutefois, il est assemblé au mouvement horloger de manière à pouvoir être entraîné en rotation, en référence à la platine 2, dans le second mode de fonctionnement.In addition, the watch movement 1 carries a dial support 14, coaxial with the road and the hour wheel and intended to carry a dial (reference numeral 16 on the figure 5 ). The dial support is fixed in the first mode of operation of the watch movement. However, it is assembled to the watch movement so as to be rotated, with reference to the plate 2, in the second mode of operation.

Pour faire passer la pièce d'horlogerie correspondante d'un mode de fonctionnement à l'autre, celle-ci est préférablement munie d'un poussoir (non illustré) permettant à un utilisateur d'actionner un mécanisme de commutation faisant passer la pièce d'horlogerie d'un mode de fonctionnement à l'autre en réponse à chaque pression sur le poussoir.To pass the corresponding timepiece from one mode of operation to another, it is preferably provided with a pusher (not shown) allowing a user to actuate a switching mechanism passing the room d clock from one mode of operation to another in response to each pressure on the pusher.

Ce mécanisme de commutation comprend, dans le présent mode de réalisation préféré mais de manière non limitative, une roue à colonnes 18 susceptible d'être entraînée en rotation par action du poussoir sur un levier de commande 20. Le levier de commande est agencé de manière à présenter une surface d'actionnement 22 dans la région de la tige de remontoir et de mise à l'heure 24, à titre illustratif, le poussoir étant destiné à être coaxial à cette dernière dans ce cas.This switching mechanism comprises, in the present preferred embodiment but without limitation, a column wheel 18 may be rotated by action of the pusher on a control lever 20. The control lever is arranged in a manner to present an actuating surface 22 in the region of the winding and setting rod 24, for illustrative purposes, the pusher being intended to be coaxial therewith in this case.

La roue à colonnes 18 coopère avec un organe de verrouillage du support de cadran 14 présentant la forme d'un marteau 26, dont un bec 28 est susceptible de coopérer avec les colonnes, le marteau 26 agissant sur une came en coeur 30 solidaire du support de cadran 14, dans le premier mode de fonctionnement.The column wheel 18 cooperates with a locking member of the dial support 14 having the shape of a hammer 26, a spout 28 is capable of cooperating with the columns, the hammer 26 acting on a core cam 30 secured to the support 14 in the first mode of operation.

Par ailleurs, la roue à colonnes 18 coopère également avec une bascule d'embrayage 32, montée rotative sur la platine 2, et portant une partie des mobiles composant la seconde chaîne cinématique 12.Furthermore, the column wheel 18 also cooperates with a clutch rocker 32, rotatably mounted on the plate 2, and carrying a part of the mobiles making up the second kinematic chain 12.

Sur la vue de la figure 1, correspondant au premier mode de fonctionnement, un bec 34 de la bascule d'embrayage 32 repose sur une colonne de la roue à colonnes 18.On the view of the figure 1 , corresponding to the first mode of operation, a spout 34 of the clutch rocker 32 rests on a column of the column wheel 18.

Lorsque l'utilisateur actionne le poussoir, la roue à colonnes tourne d'un pas et passe à l'état illustré sur la figure 2, le mouvement horloger basculant dans le second mode de fonctionnement.When the user actuates the pusher, the column wheel turns one step and goes to the state illustrated on the figure 2 , the watch movement tilting in the second mode of operation.

Il ressort de la figure 2 que le marteau 26 est alors soulevé et libère la came en coeur 30, donc le support de cadran 14 qui devient libre de tourner.It appears from figure 2 that the hammer 26 is then raised and releases the heart cam 30, so the dial support 14 which becomes free to rotate.

Dans le même temps, le bec 34 tombe entre deux colonnes de la roue à colonnes 18, ce qui entraîne un pivotement de la bascule d'embrayage 32 dans le sens horaire en passant de la figure 1 à la figure 2.At the same time, the spout 34 falls between two columns of the column wheel 18, which causes the clutch rocker 32 to pivot clockwise from the figure 1 to the figure 2 .

La seconde chaîne cinématique 12 est alors activée et prend le dessus sur la première chaîne cinématique 10, comme cela va ressortir des explications qui vont suivre, entraînant une modification du mode de déplacement de la roue des heures 6. Dans le même temps, il est prévu que le support de cadran 14 peut être entraîné en rotation.The second kinematic chain 12 is then activated and takes over the first kinematic chain 10, as will emerge from the explanations that follow, causing a change in the mode of movement of the wheel hours 6. At the same time, it is provided that the dial support 14 can be rotated.

Ainsi, non seulement l'aiguille des heures voit son comportement modifié en passant au second mode de fonctionnement, mais en outre le cadran se met à tourner, ce qui constitue une indication que le second mode de fonctionnement est celui en cours.Thus, not only does the hour hand change its behavior by changing to the second mode of operation, but the dial also starts rotating, which is an indication that the second mode of operation is the current one.

Bien entendu, des ressorts adaptés sont prévus pour coopérer avec la bascule d'embrayage et avec le marteau, de même qu'un sautoir avec la roue à colonnes, de manière conventionnelle.Of course, adapted springs are provided to cooperate with the clutch rocker and with the hammer, as well as a jumper with the column wheel, in a conventional manner.

La figure 3 est une vue en perspective simplifiée d'un premier détail de construction du mouvement horloger 1 qui permet de mieux présenter son fonctionnement, notamment le passage de l'un de ses deux modes de fonctionnement à l'autre.The figure 3 is a simplified perspective view of a first construction detail of the watch movement 1 which allows to better present its operation, including the passage of one of its two modes of operation to another.

La chaussée 8 est entraînée de manière conventionnelle à partir de la force libérée par le ressort du barillet 4, en étant en prise avec une roue de minuterie (non visible, derrière la roue des heures sur la figure 3).The roadway 8 is driven conventionally from the force released by the spring of the cylinder 4, being engaged with a timer wheel (not visible, behind the hour wheel on the figure 3 ).

La première chaîne cinématique 10 est entraînée ici à partir de cette roue de minuterie pour assurer l'entraînement de la roue des heures 6 dans le premier mode de fonctionnement.The first driveline 10 is driven here from this timer wheel to drive the hour wheel 6 in the first mode of operation.

La première chaîne cinématique comprend un mobile de comptage 38 dont une première fonction est de permettre l'entraînement de la roue des heures 6 dans le premier mode de fonctionnement, et dont une seconde fonction est de conserver en tout temps l'information relative à l'heure courante.The first kinematic chain comprises a counting wheel 38 whose first function is to allow the driving of the hour wheel 6 in the first mode of operation, and a second function of which is to keep at all times the information relating to the current time.

Dans ce but, le mobile de comptage 38 comprend des première et seconde roues, 40 et 42, coaxiales et reliées l'une à l'autre par un mécanisme de rattrapage. Ce dernier est avantageusement similaire au mécanisme prévu pour relier l'un à l'autre les deux arbres portant les aiguilles de secondes chronométrées dans un mécanisme de rattrapante.For this purpose, the counting wheel 38 comprises first and second wheels, 40 and 42, coaxial and connected to each other by a catch mechanism. The latter is advantageously similar to the mechanism provided for connecting to one another the two shafts bearing the seconds hands timed in a split-second mechanism.

Ce mécanisme est illustré de manière plus détaillée sur la figure 4 qui représente une vue de dessus simplifiée et en transparence partielle du mobile de comptage 38.This mechanism is illustrated in more detail on the figure 4 which represents a simplified top view and partial transparency of the counting wheel 38.

La première roue 40 porte une came en coeur 44 tandis que la seconde roue 42 porte un ressort 46 associé à un marteau 48 de remise à zéro destiné à coopérer avec la came en coeur 44 de la première roue.The first wheel 40 carries a core cam 44 while the second wheel 42 carries a spring 46 associated with a hammer 48 reset to cooperate with the core cam 44 of the first wheel.

La première roue 40 engrène avec la roue de minuterie et est par conséquent entraînée en permanence. Lorsque la seconde roue 42 ne subit pas de contrainte particulière, sa position angulaire est indexée sur celle de la première roue 40 par coopération du marteau 48 avec la came en coeur 44.The first wheel 40 meshes with the timer wheel and is therefore permanently driven. When the second wheel 42 is not subjected to any particular constraint, its angular position is indexed to that of the first wheel 40 by cooperation of the hammer 48 with the core cam 44.

Lorsque la seconde roue 42 subit une contrainte, soit un blocage soit un entraînement différent de celui de la première roue 40, elle peut présenter un mouvement de rotation relative par rapport à la première roue 40. Dans ce cas, le marteau 48 glisse sur la périphérie de la came en coeur 44. Lorsque cette contrainte cesse, la coopération du marteau 48 avec la came en coeur 44, sous l'effet du ressort 46, provoque un retour de la seconde roue 42 dans sa position indexée sur celle de la première roue 40, telle qu'illustrée sur la figure 4.When the second wheel 42 is stressed, either a blocking or a different drive from that of the first wheel 40, it can present a relative rotational movement with respect to the first wheel 40. In this case, the hammer 48 slides on the periphery of the core cam 44. When this stress ceases, the cooperation of the hammer 48 with the core cam 44, under the effect of the spring 46, causes a return of the second wheel 42 in its indexed position on that of the first wheel 40, as illustrated in FIG. figure 4 .

Revenant à la figure 3, il apparaît que, dans le premier mode de fonctionnement, la seconde roue 42 est libre de toute contrainte qui tendrait à la faire tourner par rapport à la première roue 40, la seconde chaîne cinématique étant découplée de la roue des heures 6 comme cela sera exposé ci-dessous.Returning to figure 3 , it appears that, in the first mode of operation, the second wheel 42 is free of any stress which tends to rotate it relative to the first wheel 40, the second kinematic chain being decoupled from the hour wheel 6 as will be explained below.

La seconde roue 42 est agencée en prise avec un premier renvoi 50, lui-même en prise avec la roue des heures 6. Ainsi, dans le premier mode de fonctionnement, la roue des heures 6 est entraînée par l'intermédiaire du mobile de comptage 38 et du premier renvoi 50, pour permettre l'affichage des heures courantes de manière habituelle.The second wheel 42 is arranged in engagement with a first gear 50, itself engaged with the hour wheel 6. Thus, in the first mode of operation, the hour wheel 6 is driven via the counting wheel 38 and the first reference 50, to allow the display of current hours in the usual way.

Par ailleurs, le support de cadran 14, qui porte une denture 52, est en prise avec un second renvoi 54 de la seconde chaîne cinématique 12. Ce second renvoi 54 présente une position fixe sur la platine 2 et est agencé en prise avec un troisième renvoi 56 lui-même en prise avec un mobile d'entraînement 58, ces deux derniers mobiles 56 et 58 étant portés par la bascule d'embrayage 32.Furthermore, the dial support 14, which carries a toothing 52, is engaged with a second reference 54 of the second kinematic chain 12. This second reference 54 has a fixed position on the plate 2 and is arranged in engagement with a third return 56 itself engaged with a drive wheel 58, the latter two mobiles 56 and 58 being carried by the clutch rocker 32.

Dans le premier mode de fonctionnement, la bascule d'embrayage 32 est en position débrayée, tel qu'illustré sur la figure 1. Dans cette configuration, le mobile d'entraînement 58 n'engrène qu'avec le troisième renvoi 56, ce dernier n'étant en prise qu'avec le second renvoi 54. Le support de cadran 14 étant verrouillé par le marteau 26, dans ce mode de fonctionnement, les mobiles de la seconde chaîne cinématique 12 le sont également.In the first mode of operation, the clutch rocker 32 is in the disengaged position, as illustrated in FIG. figure 1 . In this configuration, the driving wheel 58 meshes only with the third return 56, the latter being engaged only with the second return 54. The dial support 14 is locked by the hammer 26, in this case. mode of operation, the mobiles of the second kinematic chain 12 are also.

Lorsque l'utilisateur agit sur le levier de commande 20 pour faire tourner la roue à colonnes 18, la bascule d'embrayage 32 tombe dans sa position embrayée, illustrée sur la figure 2, tandis que le marteau 26 est soulevé pour libérer le support de cadran 14.When the user acts on the control lever 20 to turn the column wheel 18, the clutch rocker 32 falls into its engaged position, illustrated in FIG. figure 2 , while the hammer 26 is lifted to release the dial support 14.

Lorsque la bascule d'embrayage 32 est dans sa position embrayée, le mobile d'entraînement 58 engrène avec le barillet 4 et se met à tourner sur lui-même, entraînant de ce fait les troisième et second renvois 54 et 56 en rotation.When the clutch rocker 32 is in its engaged position, the driving wheel 58 meshes with the barrel 4 and begins to rotate on itself, thereby causing the third and second links 54 and 56 to rotate.

Dans le même temps, le troisième renvoi 56 vient engrener avec la roue des heures 6 et l'entraîne en rotation d'une manière différente de celle du premier mode de fonctionnement.At the same time, the third return 56 meshes with the hour wheel 6 and drives it in rotation in a manner different from that of the first mode of operation.

Le nouveau mouvement de la roue des heures 6 est transmis au mobile de comptage 38, via le premier renvoi 50, ce qui induit un désaccouplement des première et seconde roues 40 et 42, comme expliqué plus haut.The new movement of the hour wheel 6 is transmitted to the counting wheel 38, via the first return 50, which induces a disengagement of the first and second wheels 40 and 42, as explained above.

De même, le second renvoi 54 entraîne le support de cadran 14 en rotation, via sa denture 52. Ceci résulte en une rotation du cadran 16 au niveau de la pièce d'horlogerie correspondante.Similarly, the second reference 54 drives the dial support 14 in rotation, via its toothing 52. This results in a rotation of the dial 16 at the corresponding timepiece.

Dans le présent mode de réalisation préféré, illustré à titre non limitatif, la roue des heures 6 est entraînée en rotation dans le sens anti-horaire dans le second mode de fonctionnement du mouvement horloger 1, tandis que le cadran 16 est entraîné en rotation dans le sens horaire.In the present preferred embodiment, illustrated in a non-limiting manner, the hour wheel 6 is rotated in the counter-clockwise direction in the second mode of operation of the watch movement 1, while the dial 16 is rotated in clockwise.

Bien entendu, de multiples variantes sont à la portée de l'homme du métier concernant la nature des entraînements de la roue des heures et du cadran, en fonction de ses propres besoins, qu'il n'aura pas de difficulté à mettre en oeuvre sur la base du présent enseignement et sans sortir du cadre de l'invention.Of course, multiple variants are within the reach of those skilled in the art concerning the nature of the drives of the hour wheel and the dial, according to his own needs, that he will have no difficulty in implementing on the basis of the present teaching and without departing from the scope of the invention.

Lorsque l'utilisateur actionne une nouvelle fois le levier de commande 20, la bascule d'embrayage 32 reprend son état débrayé et le marteau 26 retombe sur la came en coeur 44 du support de cadran.When the user actuates again the control lever 20, the clutch rocker 32 resumes its disengaged state and the hammer 26 falls on the heart cam 44 of the dial support.

Ainsi, le troisième renvoi 56 libère la roue des heures 6, qui peut reprendre une position associée à la valeur de l'heure courante, définie par la position angulaire de la première roue 40 du mobile de comptage 38, sous l'effet du mécanisme de rattrapage.Thus, the third return 56 releases the hour wheel 6, which can take up a position associated with the value of the current time, defined by the angular position of the first wheel 40 of the counting wheel 38, under the effect of the mechanism catching up.

Dans le même temps, le support de cadran 14 est replacé par le marteau 26 dans sa position correspondant à la position conventionnelle du cadran 16, entraînant une rotation des mobiles de la seconde chaîne cinématique 12 sans incidence sur le fonctionnement du mouvement horloger 1, dans la mesure où elle n'est plus en prise avec le barillet 4.At the same time, the dial support 14 is replaced by the hammer 26 in its position corresponding to the conventional position of the dial 16, causing a rotation of the mobiles of the second kinematic chain 12 without affecting the operation of the watch movement 1, insofar as it is no longer engaged with the barrel 4.

Il ressort de ce qui précède qu'à chaque pression de l'utilisateur sur le poussoir coopérant avec le levier de commande 20, le mouvement horloger change de mode de fonctionnement pour passer du premier mode de fonctionnement au second et vice-versa.It follows from the foregoing that with each pressure of the user on the pusher cooperating with the control lever 20, the watch movement changes operating mode to go from the first operating mode to the second and vice versa.

La figure 5 représente une vue en coupe transversale simplifiée réalisée dans la région centrale du mouvement horloger 1, et permet d'illustrer une variante de réalisation préférée relative à la construction du support de cadran 14 et à son assemblage au mouvement.The figure 5 represents a simplified cross-sectional view taken in the central region of the watch movement 1, and illustrates a preferred embodiment of the construction of the dial support 14 and its assembly to the movement.

Le support de cadran comprend ici plusieurs éléments constitutifs empilés les uns sur les autres et maintenus solidaires au moyen de vis 60.The dial support here comprises several constituent elements stacked one on the other and held together by means of screws 60.

Plus précisément, le support de cadran 14 comprend une bague 62 sur laquelle est fixé le cadran 16, une bague interne de roulement 64 et une roue 66 portant la denture 52 permettant d'entraîner le cadran en rotation, la came en coeur 30 étant intercalée entre la bague 62 et la bague interne de roulement 64, en étant également traversée par les vis 60.More specifically, the dial support 14 comprises a ring 62 on which is fixed the dial 16, an inner bearing ring 64 and a wheel 66 bearing the toothing 52 for driving the dial in rotation, the core cam 30 being interposed between the ring 62 and the inner race ring 64, also being traversed by the screws 60.

La bague interne de roulement 64 coopère avec une bague externe de roulement 68 pour définir un chemin pour des billes 70 et définir ensemble un roulement à billes.The inner race ring 64 cooperates with an outer race ring 68 to define a path for balls 70 and together define a ball bearing.

La bague externe de roulement 68 est destinée à être rendue solidaire au moins indirectement de la platine 2 du mouvement horloger 1.The outer bearing ring 68 is intended to be secured at least indirectly to the plate 2 of the watch movement 1.

Grâce à ces caractéristiques, la roue dentée 66 peut être entraînée en rotation par le second renvoi 54 dans le second mode de fonctionnement, son mouvement de rotation étant retransmis aux éléments dont elle est solidaire, notamment le cadran 16.Thanks to these characteristics, the toothed wheel 66 can be rotated by the second return 54 in the second mode of operation, its rotational movement being retransmitted to the elements of which it is integral, in particular the dial 16.

Bien entendu, la présente invention n'est pas limitée à ces caractéristiques relatives à l'assemblage du cadran au mouvement horloger. L'homme du métier pourra mettre en oeuvre des solutions alternatives sans difficulté et sans sortir du cadre de l'invention.Of course, the present invention is not limited to these characteristics relating to the assembly of the dial to the watch movement. Those skilled in the art can implement alternative solutions without difficulty and without departing from the scope of the invention.

En particulier, il est possible d'envisager une suspension périphérique du cadran en fonction de l'encombrement au centre du mouvement horloger. Dans ce cas, la came en coeur 30 peut être remplacée par une bague de positionnement dont la périphérie interne définit une came, grâce à un rayon variable, le point de rayon le plus important étant associé à la position zéro du cadran. Un marteau portant par exemple un galet de périphérie circulaire pourrait coopérer avec la périphérie de la bague pour assurer une remise à zéro et un verrouillage du cadran. En outre, l'entraînement du cadran dans ce cas de figure pourrait également être réalisé à la périphérie du mouvement, par l'intermédiaire d'une couronne à denture interne qui serait solidaire du cadran et de la bague de positionnement.In particular, it is possible to envisage a peripheral suspension of the dial depending on the size at the center of the watch movement. In this case, the core cam 30 can be replaced by a ring of positioning whose inner periphery defines a cam, thanks to a variable radius, the most important point of radius being associated with the zero position of the dial. A hammer bearing for example a circular periphery roller could cooperate with the periphery of the ring to ensure a reset and a locking of the dial. In addition, the drive of the dial in this case could also be made at the periphery of the movement, by means of an internal gear ring which would be integral with the dial and the positioning ring.

De manière générale, il peut être avantageux de réaliser la seconde chaîne cinématique de telle manière que les déplacements de l'aiguille des heures et du cadran soient détectables au cours d'une observation de courte durée dans le second mode de fonctionnement. Ainsi, l'aiguille des heures pourrait par exemple faire un tour dans le sens anti-horaire en une minute environ, tandis que le cadran ferait un tour dans le sens horaire pendant la même durée.In general, it may be advantageous to make the second kinematic chain such that the movements of the hour hand and the dial are detectable during a short-term observation in the second mode of operation. For example, the hour hand could turn counter-clockwise in about one minute, while the dial would turn clockwise for the same amount of time.

Le mécanisme d'affichage qui vient d'être décrit présente l'avantage de procurer un affichage original et discret, sans risque d'induire l'utilisateur en erreur lorsque l'heure courante n'est pas affichée.The display mechanism that has just been described has the advantage of providing an original and discreet display, without the risk of misleading the user when the current time is not displayed.

La description qui précède s'attache à décrire un mode de réalisation particulier à titre d'illustration non limitative et, l'invention n'est pas limitée à la mise en oeuvre de certaines caractéristiques particulières qui viennent d'être décrites, comme par exemple les composants du mécanisme de commutation. Non seulement la roue à colonnes peut être remplacée par une navette, mais en outre la bascule d'embrayage, à mouvement horizontal ici, peut être remplacée par tout type d'embrayage connu adapté.The foregoing description attempts to describe a particular embodiment by way of non-limiting illustration and the invention is not limited to the implementation of certain particular features which have just been described, for example the components of the switching mechanism. Not only can the column wheel be replaced by a shuttle, but in addition the clutch rocker, horizontal movement here, can be replaced by any known type of clutch suitable.

Par ailleurs, tout autre mécanisme connu pour entraîner une aiguille suivant deux modes d'entraînement différents pourra être mis en oeuvre sans sortir du cadre de la présente invention, comme par exemple un mécanisme avec palpeur et came du type de celui décrit dans la demande EP 2159652 A1 citée plus haut.Furthermore, any other known mechanism for driving a needle according to two different drive modes can be implemented without departing from the scope of the present invention, such as for example a mechanism with feeler and cam of the type described in the application. EP 2159652 A1 mentioned above.

On notera également que l'enseignement de la présente invention peut être appliqué à tout type d'organe d'affichage et non uniquement à une aiguille des heures. Ainsi, dans le cas d'une pièce d'horlogerie à deux aiguilles comme celle qui vient d'être décrite, la présente invention peut être mise en oeuvre indifféremment en relation avec l'aiguille des heures ou avec l'aiguille des minutes.It will also be appreciated that the teaching of the present invention may be applied to any type of display member and not only to an hour hand. Thus, in the case of a two-needle timepiece such as that just described, the present invention can be implemented indifferently in relation to the hour hand or the minute hand.

L'entraînement du cadran pourrait être réalisé sur la base de la valeur d'une grandeur physique à afficher sans sortir du cadre de l'invention.The drive of the dial could be made on the basis of the value of a physical quantity to be displayed without departing from the scope of the invention.

A l'inverse, si le mode de réalisation préféré tel que décrit prévoit un entraînement du cadran dans le second mode de fonctionnement, cela n'est pas forcément nécessaire. En effet, l'homme du métier pourra prévoir que le cadran est maintenu fixe dans le premier mode de fonctionnement et simplement libéré dans le second mode de fonctionnement, pour pouvoir tourner sur lui-même en fonction des mouvements de la pièce d'horlogerie correspondante. Dans ce cas, il est préférable de prévoir une répartition hétérogène des masses du cadran, voire de lui adjoindre un balourd pour le rendre plus sensible aux effets de la gravité.Conversely, if the preferred embodiment as described provides a drive of the dial in the second mode of operation, this is not necessarily necessary. Indeed, the skilled person can predict that the dial is held fixed in the first operating mode and simply released in the second operating mode, to rotate on itself according to the movements of the corresponding timepiece . In this case, it is preferable to provide a heterogeneous distribution of the dial masses, or even to add an unbalance to make it more sensitive to the effects of gravity.

Tel que mentionné plus haut, le mécanisme peut être construit sous la forme d'un module additionnel destiné à enrichir un calibre horloger de base ou être directement intégré à un mouvement horloger.As mentioned above, the mechanism can be constructed in the form of an additional module for enriching a basic watchmaker's caliber or be directly integrated into a watch movement.

L'homme du métier ne rencontrera pas de difficulté particulière pour adapter le contenu de la présente divulgation à ses propres besoins et mettre en oeuvre une pièce d'horlogerie présentant deux modes de fonctionnement différents dans lesquels au moins un organe d'affichage présente un mouvement de nature différente dans les deux modes, le cadran étant fixe dans un mode et mobile dans l'autre, sans sortir du cadre de la présente invention.Those skilled in the art will not encounter any particular difficulty in adapting the content of the present disclosure to their own needs and implementing a timepiece having two different modes of operation in which at least one display member has a movement of different nature in the two modes, the dial being fixed in one mode and mobile in the other, without departing from the scope of the present invention.

Claims (12)

Mouvement horloger (1) comportant
une source d'énergie (4) agencée pour entretenir les oscillations d'une base de temps, par l'intermédiaire d'un rouage de finissage, et assurer l'entraînement d'au moins un premier mobile d'affichage (6) d'une première indication relative au temps ou au fonctionnement de la pièce d'horlogerie, dans un premier mode de fonctionnement,
un mécanisme de commutation (18, 20, 32) agencé pour commander alternativement le passage dudit premier mobile d'affichage (6) dudit premier mode de fonctionnement vers un second mode de fonctionnement et inversement, en réponse à une action d'un utilisateur, la nature des déplacements dudit premier mobile d'affichage (6) étant différente entre lesdits premier et second modes de fonctionnement,
caractérisé en ce qu'il comporte au moins un support de cadran (14) rotatif ainsi qu'un organe de verrouillage (26) agencé pour coopérer au moins indirectement avec ledit support de cadran (14) et le maintenir dans une position fixe dans ledit premier mode de fonctionnement, ledit mécanisme de commutation (18, 20, 32) étant également agencé pour permettre audit support de cadran (14) de tourner dans ledit second mode de fonctionnement.Watch movement (1) comprising
a power source (4) arranged to maintain the oscillations of a time base, via a finishing train, and to drive at least a first display mobile (6) d a first indication relating to the time or the operation of the timepiece, in a first mode of operation,
a switching mechanism (18, 20, 32) arranged to alternately control the passage of said first display unit (6) from said first mode of operation to a second mode of operation and vice versa, in response to an action of a user, the nature of the displacements of said first display unit (6) being different between said first and second modes of operation,
characterized in that it comprises at least one rotatable dial support (14) and a locking member (26) arranged to cooperate at least indirectly with said dial support (14) and maintain it in a fixed position in said first mode of operation, said switching mechanism (18, 20, 32) being also arranged to enable said dial support (14) to rotate in said second mode of operation. Mouvement horloger (1) selon la revendication 1, caractérisé en ce qu'il comporte des première et seconde chaînes cinématiques (10, 12) agencées pour assurer l'entraînement dudit premier mobile d'affichage (6), respectivement, dans lesdits premier et second modes de fonctionnement, ledit mécanisme de commutation (18, 20, 32) étant en outre agencé pour
neutraliser ladite première chaîne cinématique (10) lors du passage dudit premier audit second mode de fonctionnement, et
activer ladite première chaîne cinématique (10) lors du passage dudit second audit premier mode de fonctionnement.Clock movement (1) according to claim 1, characterized in that it comprises first and second kinematic chains (10, 12) arranged to drive said first display unit (6), respectively, in said first and second modes of operation, said switching mechanism (18, 20, 32) being further arranged to
neutralizing said first kinematic chain (10) during the passage of said first second mode of operation, and
activate said first kinematic chain (10) during the passage of said second said first operating mode. Mouvement horloger (1) selon la revendication 2, caractérisé en ce que ladite première chaîne cinématique (10) comporte un mobile de comptage (38) comprenant une première roue (40), agencée en prise au moins indirectement avec ledit rouage de finissage, et une seconde roue (42) agencée en prise au moins indirectement avec ledit premier mobile d'affichage (6), lesdites première et seconde roues (40, 42) étant reliées l'une à l'autre par un mécanisme de rattrapage (44, 46, 48) agencé de telle manière
que la position angulaire de ladite seconde roue (42) est indexée sur celle de ladite première roue (40) dans ledit premier mode de fonctionnement, et
que ladite seconde roue (42) peut être entraînée pour présenter une rotation en référence à ladite première roue (40) dans ledit second mode de fonctionnement.Watch movement (1) according to claim 2, characterized in that said first kinematic chain (10) comprises a counting wheel (38) comprising a first wheel (40) arranged at least indirectly with said finishing gear, and a second wheel (42) arranged at least indirectly engaged with said first display unit (6), said first and second wheels (40, 42) being connected to each other by a catch mechanism (44, 46, 48) arranged in such a manner
the angular position of said second wheel (42) is indexed to that of said first wheel (40) in said first operating mode, and
said second wheel (42) is drivable to rotate with reference to said first wheel (40) in said second mode of operation. Mouvement horloger (1) selon la revendication 2 ou 3, caractérisé en ce que ladite seconde chaîne cinématique (12) comporte un mobile d'entraînement (58) porté par une bascule d'embrayage (32) montée rotative sur un élément de bâti (2) du mouvement horloger (1), ledit mécanisme de commutation (18, 20, 32) étant agencé pour déplacer alternativement ladite bascule d'embrayage (32) entre des première et seconde positions, respectivement débrayée et embrayée, associées, respectivement, auxdits premier et second modes de fonctionnement.Watch movement (1) according to claim 2 or 3, characterized in that said second kinematic chain (12) comprises a driving wheel (58) carried by a clutch rocker (32) rotatably mounted on a frame element ( 2) the watch movement (1), said switching mechanism (18, 20, 32) being arranged to alternately move said clutch rocker (32) between first and second positions, respectively disengaged and engaged, respectively associated with said first and second modes of operation. Mouvement horloger (1) selon la revendication 4, caractérisé en ce que ledit mobile d'entraînement (58) est agencé pour présenter une liaison cinématique, d'une part, avec ladite source d'énergie (4) et, d'autre part, avec ledit premier mobile d'affichage (6), dans ledit second mode de fonctionnement.Clock movement (1) according to claim 4, characterized in that said drive wheel (58) is arranged to have a kinematic link on the one hand with said energy source (4) and on the other hand with said first display unit (6) in said second mode of operation. Mouvement horloger (1) selon la revendication 5, caractérisé en ce que ledit mobile d'entraînement (58) présente également une liaison cinématique avec ledit support de cadran (14) pour assurer son entraînement en rotation dans ledit second mode de fonctionnement.Clock movement (1) according to claim 5, characterized in that said drive wheel (58) also has a kinematic connection with said dial support (14) to ensure its rotational drive in said second mode of operation. Mouvement horloger (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit organe de verrouillage (26) comprend un marteau agencé pour coopérer avec une came (30) solidaire dudit support de cadran (14) dans ledit premier mode de fonctionnement.Clock movement (1) according to any one of the preceding claims, characterized in that said locking member (26) comprises a hammer arranged to cooperate with a cam (30) integral with said dial support (14) in said first mode of operation. Mouvement horloger (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit mécanisme de commutation (18, 20, 32) comprend une roue à colonnes (18).Clock movement (1) according to any one of the preceding claims, characterized in that said switching mechanism (18, 20, 32) comprises a column wheel (18). Mouvement horloger (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit premier mobile d'affichage est destiné à porter un organe d'affichage de la minute ou de l'heure courante.Clock movement (1) according to any one of the preceding claims, characterized in that said first display mobile is intended to carry a display member of the current minute or time. Mouvement horloger (1) selon la revendication 9, caractérisé en ce que ledit premier mobile d'affichage (6) est agencé sensiblement au centre du mouvement horloger (1), ledit support de cadran (14) comprenant une bague (62) coaxiale audit premier mobile d'affichage (6) et destinée à porter un cadran.Clock movement (1) according to claim 9, characterized in that said first display mobile (6) is arranged substantially in the center of the watch movement (1), said dial support (14) comprising a ring (62) coaxial with said first mobile display (6) and intended to carry a dial. Mouvement horloger (1) selon la revendication 10, caractérisé en ce que ladite bague (62) est solidaire d'une bague interne de roulement (64) associée à une bague externe de roulement (68) solidaire d'un élément de bâti (2) du mouvement horloger (1).Clock movement (1) according to claim 10, characterized in that said ring (62) is integral with an inner race ring (64) associated with an outer race ring (68) integral with a frame member (2). ) of the watch movement (1). Pièce d'horlogerie comportant un mouvement horloger (1) selon l'une quelconque des revendications 1 à 11 et dans laquelle un organe d'affichage est assemblé audit premier mobile d'affichage (6) et un cadran (16) est assemblé audit support de cadran (14).Timepiece comprising a watch movement (1) according to any one of claims 1 to 11 and wherein a display member is assembled to said first display mobile (6) and a dial (16) is assembled to said support dial (14).
EP13194331.8A 2013-11-25 2013-11-25 Clock movement with two operation modes and timepiece provided with such a clock movement Active EP2876506B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13194331.8A EP2876506B1 (en) 2013-11-25 2013-11-25 Clock movement with two operation modes and timepiece provided with such a clock movement
CH01956/13A CH708889A2 (en) 2013-11-25 2013-11-25 watch movement two operating modes and timepiece provided with such a watch movement.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13194331.8A EP2876506B1 (en) 2013-11-25 2013-11-25 Clock movement with two operation modes and timepiece provided with such a clock movement
CH01956/13A CH708889A2 (en) 2013-11-25 2013-11-25 watch movement two operating modes and timepiece provided with such a watch movement.

Publications (2)

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EP2876506A1 true EP2876506A1 (en) 2015-05-27
EP2876506B1 EP2876506B1 (en) 2018-05-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460827A (en) * 2022-02-16 2022-05-10 广州品伦钟表有限公司 Clock with rotating disc type luminous pattern and installation process of luminous piece

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159652A1 (en) * 2008-08-26 2010-03-03 Agenhor SA Display mechanism for a timepiece used to display or not the current time
CH701406A1 (en) * 2009-07-03 2011-01-14 Laurent Ferrier Sa C O Rpn Soc Fiduciaire Display module for dial of wristwatch, has drive unit formed of racks to actuate disks in rotation such that disks pivot around axis for scanning disk sectors at any angle, from their initial positions till their end positions, respectively
CH706204A2 (en) * 2012-03-07 2013-09-13 Louis Vuitton Malletier Sa Watch movement unit for use in wrist watch, has small needle for displaying indication in front of small mobile dial that is arranged in rotary manner, where movement unit is arranged to make dial swivel at time of passage from one mode

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159652A1 (en) * 2008-08-26 2010-03-03 Agenhor SA Display mechanism for a timepiece used to display or not the current time
CH701406A1 (en) * 2009-07-03 2011-01-14 Laurent Ferrier Sa C O Rpn Soc Fiduciaire Display module for dial of wristwatch, has drive unit formed of racks to actuate disks in rotation such that disks pivot around axis for scanning disk sectors at any angle, from their initial positions till their end positions, respectively
CH706204A2 (en) * 2012-03-07 2013-09-13 Louis Vuitton Malletier Sa Watch movement unit for use in wrist watch, has small needle for displaying indication in front of small mobile dial that is arranged in rotary manner, where movement unit is arranged to make dial swivel at time of passage from one mode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460827A (en) * 2022-02-16 2022-05-10 广州品伦钟表有限公司 Clock with rotating disc type luminous pattern and installation process of luminous piece
CN114460827B (en) * 2022-02-16 2023-12-12 广州品伦钟表有限公司 Timepiece with rotary disk type luminous pattern and luminous piece mounting process

Also Published As

Publication number Publication date
CH708889A2 (en) 2015-05-29
EP2876506B1 (en) 2018-05-30

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