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EP3561611B1 - Mechanism for animating a decorative element of a timepiece - Google Patents

Mechanism for animating a decorative element of a timepiece Download PDF

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Publication number
EP3561611B1
EP3561611B1 EP18169955.4A EP18169955A EP3561611B1 EP 3561611 B1 EP3561611 B1 EP 3561611B1 EP 18169955 A EP18169955 A EP 18169955A EP 3561611 B1 EP3561611 B1 EP 3561611B1
Authority
EP
European Patent Office
Prior art keywords
decorative
decorative element
timepiece according
timepiece
moving mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18169955.4A
Other languages
German (de)
French (fr)
Other versions
EP3561611A1 (en
Inventor
Julien Leskerpit
Bernat Monferrer
Julien FEYER
Edmond Capt
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.)
Montres Jaquet Droz SA
Original Assignee
Montres Jaquet Droz 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 Montres Jaquet Droz SA filed Critical Montres Jaquet Droz SA
Priority to EP18169955.4A priority Critical patent/EP3561611B1/en
Priority to US16/378,971 priority patent/US11449006B2/en
Priority to JP2019082674A priority patent/JP6796678B2/en
Priority to CN201910344599.3A priority patent/CN110412858B/en
Publication of EP3561611A1 publication Critical patent/EP3561611A1/en
Application granted granted Critical
Publication of EP3561611B1 publication Critical patent/EP3561611B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork
    • 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
    • G04B19/065—Dials with several parts
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0023—Inscriptions or pictures moved by the clockwork, e.g. for advertising
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038—Figures or parts thereof moved by the clockwork
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/042—Fastening of jewels and the like
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/044—Movable decorations and parts thereof
    • 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
    • G04B19/21—Drums

Definitions

  • the invention relates to a mechanism for animating a decorative element of a timepiece, said decorative element comprising at least two decorative faces arranged around an axis defining the axis of said decorative element.
  • the decorative element consists of a stud rotating around its axis and having the shape of a cube or a right triangular prism, whose faces arranged around the axis of rotation are set with various precious stones, different colours.
  • the timepiece comprises for example twelve studs, each of the studs corresponding to a time point of the hour circle.
  • the studs are rotated around their respective axes by means of a rotating crown so as to successively display the faces of the studs making it possible to give the hour circle a different appearance.
  • the animation is limited, the pads being movable only in a single movement around their respective axis.
  • a device for representing the moon in particular on the dial of a watch, comprising a circular support held in rotation by a drive mechanism housed in the watch case, and carrying means for representing the moon movable with the support along a window in the dial of the watch.
  • the drive mechanism comprises means for moving the circular support in rotation relative to the window with a speed corresponding to the speed of apparent movement of the moon in the sky between rising and setting.
  • the aim of the present invention is to overcome the drawbacks mentioned above by providing a timepiece animation mechanism making it possible to move a decorative element according to different combined movements in order to create a complex and captivating animation.
  • the invention relates to a timepiece comprising a mechanism for animating a decorative element of a timepiece, said decorative element comprising at least two decorative faces and arranged around an axis defining the axis of said decorative element.
  • said animation mechanism comprises a circular driving element arranged to be movable in rotation about a central axis and comprising an opening arranged to reveal one of the decorative faces of the decorative element and in which said decorative element is mounted to be movable in rotation about its axis, and first means for driving said decorative element in rotation about its axis, mounted on the circular driving element and arranged to cooperate with fixed actuating means provided in the periphery of the circular driver element so that said decorative element rotates about its axis to successively present in the opening of the circular driver element its decorative faces while rotating around the central axis.
  • the fixed actuating means comprise a cam concentric with the circular drive element and mounted fixedly on a frame of the timepiece, said cam comprising on its outer periphery at least one tooth arranged to actuate the first means of training.
  • the animation mechanism of the timepiece of the invention allows a decorative element to move in two combined movements, thus creating a complex animation.
  • the animation mechanism 1 of a decorative element 2 of a timepiece comprises a circular driving element 3, arranged to carry said decorative element 2.
  • the circular driving element 3 is dimensioned to match the dial of the timepiece. It is obvious that, in another variant not shown, the circular drive element could be sized to occupy only part of the dial of the timepiece. In the variant shown, the circular drive element 3 is hollowed out at its center to be annular in shape. Therefore, in the remainder of the present description, the expression “circular drive element” or “annular drive element” will be used interchangeably to denote the reference part 3.
  • the circular drive element 3 comprises a movable dial 4, a drive ring 6, as well as a rotor 8 and a rotor bridge 10, of annular shape, as shown more especially the figures 4 to 6 .
  • the rotor 8, the rotor bridge 10, the drive ring 6 and the mobile dial 4 are superimposed and are mounted integral with one another.
  • the drive ring 6 is arranged between the mobile dial 4 and the rotor bridge 10.
  • the drive ring 6 has internal teeth 12 arranged on its internal peripheral edge, the role of which will be described below.
  • the movable dial 4, the drive ring 6, the rotor 8 and the rotor bridge 10 are arranged to carry the decorative element 2 and its rotating drive means, called first drive means, as will be described. below.
  • the hollowed out center of the annular driving element 3 is filled by a fixed dial 14 (cf. figure 9 ), integral with the frame, and crossed by the axis of the hand (not shown), making it possible to display the hours and minutes.
  • the fixed dial 14 can bear fixed decorative elements 15, positioned entirely on the fixed dial 14 or so as to be partially above the annular driving element 3.
  • the decorative element 2 comprises at least two decorative faces arranged around an axis 16 defining the axis of rotation of said decorative element 2.
  • the decorative faces of the decorative element 2 are decorated differently from one another in order to present a different visual appearance.
  • the decorative element 2 comprises a stone holder 18 carrying stones 20 constituting the decorative faces of the decorative element 2 and a finishing element 21 arranged on the mobile dial 4 and surrounding the stone holder 18.
  • the stone holder 18 has three decorative faces 18a arranged substantially at 120 ° from each other. around axis 16, each face 18a being occupied by a stone 20, as well as two parallel faces 18b crossed perpendicularly by said axis 16.
  • the stones 20 are of different colors to constitute three decorative faces 18a which are different from each other.
  • precious stones can be used, such as ruby, emerald and diamond.
  • the circular driving element 3 is arranged to be movable in rotation about its axis which is perpendicular to the plane defined by the circular driving element, said axis being called the central axis.
  • the central axis is preferably parallel to the axis of the switch, and it may be different from the axis of the case of the timepiece.
  • the circular drive element 3 is pivotally mounted on a frame 22 of the timepiece.
  • the circular drive element 3 is held radially on the frame 22 by at least two rollers mounted on the frame, one of the rollers being fixed, the other roller being movable.
  • three rollers 50, 52 are provided, positioned inside the annular drive element 3 at approximately 120 °, two rollers 50 being fixed and the third roller 52 being movable as defined below.
  • the two fixed rollers 50 are pivotally mounted on a pin 54 fixed to the board 46, in contact with the rotor 8.
  • the third movable roller 52 is pivotally mounted, about an axis 55, on a support 56 of the movable roller.
  • Said movable roller support 56 is itself mounted to pivot on the board 46, around an axis 57, allowing the movable roller 52 to come into contact with the rotor 8.
  • a spring 58 of the movable roller is mounted on the frame, its free end resting on a support 60 provided on the mobile roller support 56.
  • the movable roller 52 makes it possible to take up the assembly play of the annular drive element 3, canceling any radial sloshing and guaranteeing optimum performance.
  • the circular drive element 3 is arranged to cooperate with drive means in rotation (called second drive means) around the central axis.
  • said second means for driving the circular drive element 3 in rotation around the central axis are arranged to cooperate with the drive ring 6. More precisely, the second means for driving the element in rotation.
  • circular drive 3 around the central axis comprise a mobile 24 of a finishing gear cooperating with a barrel (not shown), a source of energy for supplying the animation mechanism.
  • Said mobile 24 is preferably disposed on the frame near the inner peripheral edge of the drive ring 6 so as to be able to mesh with the inner toothing 12 and drive the drive ring 6 in rotation, and thus all of the first drive means of the annular drive element 3.
  • Said finishing gear 25 is arranged on the frame preferably near the inner peripheral edge of the drive ring 6 so as to be able to mesh with the inner toothing 12 and regulate the speed of rotation of the drive ring 6, and as well as all the elements of the annular drive element 3. It is obvious that it is also possible to provide a main gear train going from the barrel to the speed regulator and a secondary gear train going from the gear train. main to the animation mechanism.
  • the circular drive element 3, and more particularly the drive ring 6, comprises an opening 26 arranged to reveal one of the decorative faces 18a of the decorative element 2 and in which said decorative element 2 is mounted movably in rotation around its axis 16.
  • the stone holder 18 is mounted to rotate freely around the axis 16 and said axis 16 is held on the crown drive 6, between the rotor bridge 10 and the mobile dial 4, as shown in figure 8 , by its ends 16a which each have a flat disposed in a corresponding housing 26a formed in the opening 26 as shown in figure 5 .
  • the rotor bridge 10 also has an opening 28, arranged opposite the opening 26, and in which the non-visible part of the stone holder 18 is housed and is free to circulate.
  • the axis 16 is therefore arranged here in a plane perpendicular to the central axis. According to another variant, the construction can be modified to provide an inclined axis 16. In addition, the axis 16 may or may not be disposed radially to the central axis.
  • the decorative element 2 is driven in rotation about its axis 16 by first rotational drive means on board the annular drive element 3 and arranged to cooperate with fixed actuating means provided in the periphery of the element. annular driver 3 so that said decorative element 2 rotates about its axis 16 to successively present in the opening 26 of the circular driver element 3 its decorative faces 18a while rotating around the central axis.
  • the first drive means comprise a Maltese cross 30 arranged to cooperate with the fixed actuating means and a gear train, comprising at least a first return 32 and a second return 34, kinematically connecting said Maltese cross 30 to the decorative element 2.
  • the first reference 32 rests on one of the faces 18b of the stone holder 18a and comprises a hollow shaft 32a mounted through in the stone holder 18 coaxially with the axis 16.
  • Said pin 32a is integral with the stone holder 18a, and is mounted to pivot around the axis 16, so that the stone holder 18, integral with the first reference 32, rotates with said first return 32 and its axis 32a around axis 16, ie here in a plane perpendicular to the central axis.
  • the second reference 34 is mounted integrally on the Maltese cross 30. As shown in the figures 8 and 9 , the Maltese cross 30 and the second reference 34 are mounted together to pivot on the circular drive element 3, along an axis parallel to the central axis. More specifically, the Maltese cross 30 and the second reference 34 are mounted together between the rotor 8 and the rotor bridge 10, so as to be carried on the circular drive element 3.
  • the ends of the axis 36 of the cross Maltese 30 are arranged respectively in an orifice 38 provided on the rotor 8 and in an orifice 40 provided opposite on the rotor bridge 10, near the decorative element 2 so that the second return 34 meshes with the first return 32 according to a right, bevel or helical gear, preferably at 90 °.
  • the actuating means cooperating with the Maltese cross 30 comprise a cam 42 concentric with the circular drive element 3 and mounted fixedly on the frame, for example the plate 46 of the movement (cf. figure 9 ).
  • said cam 42 comprises on its outer periphery at least one tooth 44 arranged to actuate the first drive means, and more particularly to control the Maltese cross 30.
  • each branch of the Maltese Cross 30 is provided to match the circular profile of the cam 42, so that the angular position of the Maltese Cross 30 does not change as long as the profile of one of its branches is at. closer to the circular part of the cam 42.
  • the Maltese cross 30 on board the rotating circular drive element 3 meets a tooth 44 of the fixed cam 42, it rotates preferably 90 ° until that it is again locked by the circular profile of the cam 42.
  • a friction spring 48 is mounted under the rotor bridge 10, its free end being in contact with the face 18b of the opposite stone holder 18. to the face 18b against which the first reference 32 rests.
  • the friction spring 48 acts on the stone holder 18 like a dragging pad, in order to eliminate any fretting or sloshing which could interfere with the engagement of the Maltese cross 30 on each of the teeth 44 of the cam 42.
  • the cam 42 comprises a number n of teeth 44 distributed over its outer periphery allowing n rotations of the decorative element 2 per revolution of the circular drive element 3.
  • the teeth 44 can be distributed on the cam 42 in a regular manner, allowing a regular and continuous rotation of the Maltese cross 30 and therefore of the decorative element 2 during the rotation of the circular drive element 3.
  • the teeth 44 can also be distributed on the cam 42 in an irregular manner, for example as shown on the figure 7 , allowing a discontinuous rotation of the Maltese cross 30 and therefore of the decorative element 2 during the rotation of the circular drive element 3.
  • the decorative element 2 comprises m decorative faces, m possibly being equal to or different from n.
  • m is different from n.
  • the decorative element 2 comprises three decorative faces 18a while the cam 42 comprises four teeth 44, which allows the decorative element 2 to have, during a turn of the circular driving element 3, a sequence of rotation of its decorative faces different from the previous turn.
  • the driving element 3 of the animation mechanism can be supplied with energy by at least one autonomous energy accumulator, such as a barrel, independent of the energy accumulator of the movement, its speed being regulated by a regulator.
  • the barrel is arranged to be kinematically connected to the mobile 24 of the finishing gear train and the regulator is kinematically connected to the finishing gear 25.
  • the animation mechanism can be set in motion and stopped by a control mechanism independent of the movement of the timepiece.
  • control mechanism comprises control means arranged to perform two functions, namely first control means arranged to exercise a first function consisting in starting (GO) and stopping (STOP) the mechanism. animation at the request of a user, and second control means arranged to perform a second function consisting in stopping the animation mechanism when the energy of the autonomous energy accumulator is too low to guarantee good speed and proper functioning of the animation mechanism, and that the remaining energy reaches a determined energy threshold.
  • first control means arranged to exercise a first function consisting in starting (GO) and stopping (STOP) the mechanism.
  • second control means arranged to perform a second function consisting in stopping the animation mechanism when the energy of the autonomous energy accumulator is too low to guarantee good speed and proper functioning of the animation mechanism, and that the remaining energy reaches a determined energy threshold.
  • This second function allows the animation mechanism to stop by itself even if the user has not given a STOP command.
  • the first control means of the control mechanism can comprise a push crown provided with a STOP & GO push button, a column wheel able to move between a STOP position of the stop mechanism. 'animation and a GO position for starting the animation mechanism, said column wheel cooperating on the one hand with an actuation latch actuated by the push button and on the other hand with a first locking latch arranged to feel the STOP and GO positions of the column wheel and move between a blocked position of the regulator, for example by blocking the finishing gear 25 kinematically connected to the regulator, when the STOP position of the column wheel is sensed, and a position of operation in which said finishing gear 25 is not blocked, and therefore the regulator is free, when the GO position of the column wheel is sensed.
  • the second control means of the control mechanism can comprise, as shown in the figures. figures 11 and 12 , a second locking flip-flop 80 arranged to move between a operating position (cf. Figure 11 ) in which the finishing gear 25 kinematically connected to the speed regulator is not blocked, so that the regulator is free, when the energy of the accumulator is greater than a determined threshold, and a blocked position of the regulator (cf. Figure 12 ), for example by blocking said finishing return 25, when the energy of the accumulator reaches said determined threshold.
  • a power reserve finger 82 mounted integrally on a power reserve display mobile 84 kinematically connected to the energy accumulator, said power reserve finger 82 being arranged to press on a pin 86 provided on the second locking latch 80, when the determined energy threshold is reached.
  • the power reserve finger 82 presses on the pin 86 the second blocking lever 80 rocks around its axis 88 in the blocking position to come and block the finishing gear 25 as shown in FIG. figure 12 .
  • the power reserve finger 82 driven by the power reserve mobile 84 moves away from the pin 86 so that the second locking lever 80 moves away from the finishing gear 25 to return to its operating position as shown in the figure figure 11 .
  • a spring 90 is provided, the free end of which cooperates with a pin 92 provided on the second locking lever 80 in order to tilt said second locking lever 80 and bring it back to the operating position when the power reserve finger 82 does not. presses the pin 86 more.
  • Such a control mechanism allows the animation mechanism to restart without delay as soon as the user begins to wind up the energy accumulator in the event that the push button is in the GO position.
  • the control mechanism is actuated by pressing the push-button in the GO position.
  • the annular drive element 3 is then rotated by means of the mobile 24 meshing with the drive ring 6 and carries with it the decorative element 2 and the first means for driving in rotation 30, 32, 34.
  • the Maltese cross 30 on board the annular driving element 3 passes in front of a tooth 44 of the fixed cam 32, the cross de Malte 30 rotates 90 °.
  • the changes in angular position of the Maltese cross 30 are then transmitted to the decorative element 2, via the second reference 34 and the first reference 32, so as to cause the rotation of the decorative element 2 around its axis 16, preferably at an angle of 120 °, four times per turn of the circular drive element 3.
  • the decorative element 2 performs a combined movement, on the one hand by rotating around its axis 16 to present successively in the opening 26 of the annular driving element 3 its decorative faces 18a and on the other hand by rotating, with the annular driving element 3, around the central axis.
  • the drive ring could have teeth on its outer periphery, the second drive means being arranged accordingly.
  • the circular drive element 3 may be solid, the rollers then being replaced by another radial support system of the rolling type for example, or provided outside the circular drive element 3.

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

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un mécanisme d'animation d'un élément décoratif d'une pièce d'horlogerie, ledit élément décoratif comprenant au moins deux faces de décoration disposées autour d'un axe définissant l'axe dudit élément décoratif.The invention relates to a mechanism for animating a decorative element of a timepiece, said decorative element comprising at least two decorative faces arranged around an axis defining the axis of said decorative element.

Arrière-plan de l'inventionBackground of the invention

Un tel mécanisme d'animation est décrit par exemple dans le brevet CH 684 814 . L'élément décoratif est constitué d'un plot rotatif autour de son axe et présentant la forme d'un cube ou d'un prisme droit triangulaire, dont les faces disposées autour de l'axe de rotation sont serties de pierres précieuses variées, de différentes couleurs. La pièce d'horlogerie comprend par exemple douze plots, chacun des plots correspondant à un point horaire du tour d'heures. Les plots sont entrainés en rotation autour de leurs axes respectifs au moyen d'une couronne rotative de manière à faire apparaitre successivement les faces des plots permettant de donner au tour d'heure un aspect différent. Toutefois, avec un tel mécanisme, l'animation est limitée, les plots n'étant mobiles que selon un seul mouvement autour de leur axe respectif.Such an animation mechanism is described for example in the patent CH 684 814 . The decorative element consists of a stud rotating around its axis and having the shape of a cube or a right triangular prism, whose faces arranged around the axis of rotation are set with various precious stones, different colours. The timepiece comprises for example twelve studs, each of the studs corresponding to a time point of the hour circle. The studs are rotated around their respective axes by means of a rotating crown so as to successively display the faces of the studs making it possible to give the hour circle a different appearance. However, with such a mechanism, the animation is limited, the pads being movable only in a single movement around their respective axis.

Du document FR 2 657 439 , on connaît un dispositif de représentation de la lune, notamment sur le cadran d'une montre, comprenant un support circulaire maintenu en rotation par un mécanisme d'entraînement logé dans le boîtier de la montre, et portant des moyens de représentation de la lune déplaçables avec le support le long d'une fenêtre ménagée dans le cadran de la montre. Le mécanisme d'entraînement comporte des moyens de déplacement en rotation du support circulaire par rapport à la fenêtre avec une vitesse correspondant à la vitesse de déplacement apparent de la lune dans le ciel entre le lever et le coucher de celle-ci.Of the document FR 2 657 439 , there is known a device for representing the moon, in particular on the dial of a watch, comprising a circular support held in rotation by a drive mechanism housed in the watch case, and carrying means for representing the moon movable with the support along a window in the dial of the watch. The drive mechanism comprises means for moving the circular support in rotation relative to the window with a speed corresponding to the speed of apparent movement of the moon in the sky between rising and setting.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est de pallier les inconvénients cités précédemment en proposant un mécanisme d'animation de pièce d'horlogerie permettant de déplacer un élément décoratif selon différents mouvements combinés afin de créer une animation complexe et captivante.The aim of the present invention is to overcome the drawbacks mentioned above by providing a timepiece animation mechanism making it possible to move a decorative element according to different combined movements in order to create a complex and captivating animation.

A cet effet, l'invention se rapporte à une pièce d'horlogerie comprenant un mécanisme d'animation d'un élément décoratif d'une pièce d'horlogerie, ledit élément décoratif comprenant au moins deux faces de décoration et disposées autour d'un axe définissant l'axe dudit élément décoratif.To this end, the invention relates to a timepiece comprising a mechanism for animating a decorative element of a timepiece, said decorative element comprising at least two decorative faces and arranged around an axis defining the axis of said decorative element.

Selon l'invention, ledit mécanisme d'animation comprend un élément entraineur circulaire agencé pour être mobile en rotation autour d'un axe central et comportant une ouverture agencée pour laisser apparaitre l'une des faces de décoration de l'élément décoratif et dans laquelle ledit élément décoratif est monté mobile en rotation autour de son axe, et des premiers moyens d'entrainement en rotation dudit élément décoratif autour de son axe embarqués sur l'élément entraineur circulaire et agencés pour coopérer avec des moyens d'actionnement fixes prévus dans la périphérie de l'élément entraineur circulaire de sorte que ledit élément décoratif tourne autour de son axe pour présenter successivement dans l'ouverture de l'élément entraineur circulaire ses faces de décoration tout en tournant autour de l'axe central. Dans la pièce d'horlogerie les moyens d'actionnement fixes comprennent une came concentrique à l'élément entraineur circulaire et montée fixe sur un bâti de la pièce d'horlogerie, ladite came comprenant sur son pourtour extérieur au moins une dent agencée pour actionner les premiers moyens d'entrainement.According to the invention, said animation mechanism comprises a circular driving element arranged to be movable in rotation about a central axis and comprising an opening arranged to reveal one of the decorative faces of the decorative element and in which said decorative element is mounted to be movable in rotation about its axis, and first means for driving said decorative element in rotation about its axis, mounted on the circular driving element and arranged to cooperate with fixed actuating means provided in the periphery of the circular driver element so that said decorative element rotates about its axis to successively present in the opening of the circular driver element its decorative faces while rotating around the central axis. In the timepiece, the fixed actuating means comprise a cam concentric with the circular drive element and mounted fixedly on a frame of the timepiece, said cam comprising on its outer periphery at least one tooth arranged to actuate the first means of training.

Le mécanisme d'animation de la pièce d'horlogerie de l'invention permet à un élément décoratif de se déplacer selon deux mouvements combinés, créant ainsi une animation complexe.The animation mechanism of the timepiece of the invention allows a decorative element to move in two combined movements, thus creating a complex animation.

Description sommaire des dessinsBrief description of the drawings

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une vue en perspective d'un mécanisme d'animation selon l'invention ;
  • la figure 2 est une vue de dessus du mécanisme d'animation selon l'invention, le cadran mobile ayant été retiré ;
  • la figure 3 est une vue en perspective de l'élément entraineur circulaire et de l'élément décoratif ;
  • la figure 4 est une vue en perspective du pont de rotor ;
  • la figure 5 est une vue en perspective de la couronne d'entrainement ;
  • la figure 6 est une vue en perspective du rotor ;
  • la figure 7 est une vue de dessus de la came fixe et de la croix de Malte ;
  • la figure 8 est une vue en coupe de l'élément entraineur circulaire et de l'élément décoratif ;
  • la figure 9 est une vue en coupe de l'élément entraineur circulaire avec la croix de Malte et de la came fixe ;
  • la figure 10 est une vue en coupe du galet mobile
  • la figure 11 est une vue des seconds moyens de commande du mécanisme de commande du mécanisme d'animation en position de fonctionnement ; et
  • la figure 12 est une vue des seconds moyens de commande du mécanisme de commande du mécanisme d'animation en position de blocage du régulateur.
Other features and advantages will emerge clearly from the description which is given below, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • the figure 1 is a perspective view of an animation mechanism according to the invention;
  • the figure 2 is a top view of the animation mechanism according to the invention, the mobile dial having been removed;
  • the figure 3 is a perspective view of the circular driver element and the decorative element;
  • the figure 4 is a perspective view of the rotor bridge;
  • the figure 5 is a perspective view of the drive crown;
  • the figure 6 is a perspective view of the rotor;
  • the figure 7 is a top view of the fixed cam and the Maltese cross;
  • the figure 8 is a sectional view of the circular driver element and the decorative element;
  • the figure 9 is a sectional view of the circular drive element with the Maltese cross and the fixed cam;
  • the figure 10 is a sectional view of the mobile roller
  • the figure 11 is a view of the second control means of the control mechanism of the animation mechanism in the operating position; and
  • the figure 12 is a view of the second control means of the control mechanism of the animation mechanism in the blocked position of the regulator.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

En référence à la figure 1, le mécanisme d'animation 1 d'un élément décoratif 2 d'une pièce d'horlogerie comprend un élément entraineur circulaire 3, agencé pour porter ledit élément décoratif 2. Dans l'exemple représenté ici, l'élément entraineur circulaire 3 est dimensionné pour correspondre au cadran de la pièce d'horlogerie. Il est bien évident que, dans une autre variante non représentée, l'élément entraineur circulaire pourrait être dimensionné pour n'occuper qu'une partie du cadran de la pièce d'horlogerie. Dans la variante représentée, l'élément entraineur circulaire 3 est évidé en son centre pour être de forme annulaire. De ce fait, on utilisera dans la suite de la présente description indifféremment l'expression « élément entraineur circulaire » ou « élément entraineur annulaire », pour désigner la pièce de référence 3.With reference to the figure 1 , the animation mechanism 1 of a decorative element 2 of a timepiece comprises a circular driving element 3, arranged to carry said decorative element 2. In the example shown here, the circular driving element 3 is dimensioned to match the dial of the timepiece. It is obvious that, in another variant not shown, the circular drive element could be sized to occupy only part of the dial of the timepiece. In the variant shown, the circular drive element 3 is hollowed out at its center to be annular in shape. Therefore, in the remainder of the present description, the expression “circular drive element” or “annular drive element” will be used interchangeably to denote the reference part 3.

D'une manière avantageuse, l'élément entraineur circulaire 3 comprend un cadran mobile 4, une couronne d'entrainement 6, ainsi qu'un rotor 8 et un pont de rotor 10, de forme annulaire, comme le montrent plus particulièrement les figures 4 à 6. Le rotor 8, le pont de rotor 10, la couronne d'entrainement 6 et le cadran mobile 4 sont superposés et sont montés solidaires les uns aux autres. La couronne d'entrainement 6 est disposée entre le cadran mobile 4 et le pont de rotor 10.Advantageously, the circular drive element 3 comprises a movable dial 4, a drive ring 6, as well as a rotor 8 and a rotor bridge 10, of annular shape, as shown more especially the figures 4 to 6 . The rotor 8, the rotor bridge 10, the drive ring 6 and the mobile dial 4 are superimposed and are mounted integral with one another. The drive ring 6 is arranged between the mobile dial 4 and the rotor bridge 10.

Dans la variante ici représentée, la couronne d'entrainement 6 présente une denture intérieure 12 disposée sur son bord périphérique intérieur, dont le rôle sera décrit ci-après.In the variant shown here, the drive ring 6 has internal teeth 12 arranged on its internal peripheral edge, the role of which will be described below.

Le cadran mobile 4, la couronne d'entrainement 6, le rotor 8 et le pont de rotor 10 sont agencés pour porter l'élément décoratif 2 et ses moyens d'entrainement en rotation, appelés premiers moyens d'entrainement, comme cela sera décrit ci-après.The movable dial 4, the drive ring 6, the rotor 8 and the rotor bridge 10 are arranged to carry the decorative element 2 and its rotating drive means, called first drive means, as will be described. below.

Le centre évidé de l'élément entraineur annulaire 3 est rempli par un cadran fixe 14 (cf. figure 9), solidaire du bâti, et traversé par l'axe de l'aiguillage (non représenté), permettant d'afficher les heures et les minutes. Le cadran fixe 14 peut porter des éléments de décoration fixes 15, positionnés entièrement sur le cadran fixe 14 ou de manière à être partiellement au-dessus de l'élément entraineur annulaire 3.The hollowed out center of the annular driving element 3 is filled by a fixed dial 14 (cf. figure 9 ), integral with the frame, and crossed by the axis of the hand (not shown), making it possible to display the hours and minutes. The fixed dial 14 can bear fixed decorative elements 15, positioned entirely on the fixed dial 14 or so as to be partially above the annular driving element 3.

En référence aux figures 2, 3 et 8, l'élément décoratif 2 comprend au moins deux faces de décoration disposées autour d'un axe 16 définissant l'axe de rotation dudit élément décoratif 2.With reference to figures 2 , 3 and 8 , the decorative element 2 comprises at least two decorative faces arranged around an axis 16 defining the axis of rotation of said decorative element 2.

De préférence, les faces de décoration de l'élément décoratif 2 sont décorées différemment les unes des autres afin de présenter un aspect visuel différent.Preferably, the decorative faces of the decorative element 2 are decorated differently from one another in order to present a different visual appearance.

Avantageusement, l'élément décoratif 2 comprend un porte-pierres 18 portant des pierres 20 constituant les faces de décoration de l'élément décoratif 2 et un élément de finition 21 disposé sur le cadran mobile 4 et entourant le porte-pierres 18.Advantageously, the decorative element 2 comprises a stone holder 18 carrying stones 20 constituting the decorative faces of the decorative element 2 and a finishing element 21 arranged on the mobile dial 4 and surrounding the stone holder 18.

Dans l'exemple représenté, le porte-pierres 18 présente trois faces de décoration 18a disposées sensiblement à 120° les unes des autres autour de l'axe 16, chaque face 18a étant occupée par une pierre 20, ainsi que deux faces 18b parallèles traversées perpendiculairement par ledit axe 16.In the example shown, the stone holder 18 has three decorative faces 18a arranged substantially at 120 ° from each other. around axis 16, each face 18a being occupied by a stone 20, as well as two parallel faces 18b crossed perpendicularly by said axis 16.

Avantageusement, les pierres 20 sont de couleurs différentes pour constituer trois faces de décoration 18a différentes les unes des autres. On pourra utiliser par exemple des pierres précieuses, telles que le rubis, l'émeraude et le diamant.Advantageously, the stones 20 are of different colors to constitute three decorative faces 18a which are different from each other. For example, precious stones can be used, such as ruby, emerald and diamond.

Conformément à l'invention, l'élément entraineur circulaire 3 est agencé pour être mobile en rotation autour de son axe qui est perpendiculaire au plan défini par l'élément entraineur circulaire, ledit axe étant appelé axe central. L'axe central est de préférence parallèle à l'axe de l'aiguillage, et il peut être différent de l'axe de la boite de la pièce d'horlogerie. A cet effet, l'élément entraineur circulaire 3 est monté pivoté sur un bâti 22 de la pièce d'horlogerie.According to the invention, the circular driving element 3 is arranged to be movable in rotation about its axis which is perpendicular to the plane defined by the circular driving element, said axis being called the central axis. The central axis is preferably parallel to the axis of the switch, and it may be different from the axis of the case of the timepiece. For this purpose, the circular drive element 3 is pivotally mounted on a frame 22 of the timepiece.

De préférence, l'élément entraineur circulaire 3 est maintenu radialement sur le bâti 22 par au moins deux galets montés sur le bâti, l'un des galets étant fixe, l'autre galet étant mobile. Dans le présent exemple, et en référence aux figures 2 et 10, il est prévu trois galets 50, 52, positionnés à l'intérieur de l'élément entraineur annulaire 3 à environ 120°, deux galets 50 étant fixes et le troisième galet 52 étant mobile comme définis ci-après. Les deux galets fixes 50 sont montés pivotants sur une goupille 54 fixée sur la planche 46, au contact du rotor 8. Le troisième galet mobile 52 est monté pivotant, autour d'un axe 55, sur un support 56 de galet mobile. Ledit support 56 de galet mobile est lui-même monté pivotant sur la planche 46, autour d'un axe 57, permettant au galet mobile 52 de pouvoir venir au contact du rotor 8. Un ressort 58 de galet mobile est monté sur le bâti, son extrémité libre reposant sur un appui 60 prévu sur le support 56 de galet mobile. Le galet mobile 52 permet de rattraper les jeux de montage de l'élément entraineur annulaire 3, annulant tout ballottement radial et garantissant un rendement optimum.Preferably, the circular drive element 3 is held radially on the frame 22 by at least two rollers mounted on the frame, one of the rollers being fixed, the other roller being movable. In the present example, and with reference to figures 2 and 10 , three rollers 50, 52 are provided, positioned inside the annular drive element 3 at approximately 120 °, two rollers 50 being fixed and the third roller 52 being movable as defined below. The two fixed rollers 50 are pivotally mounted on a pin 54 fixed to the board 46, in contact with the rotor 8. The third movable roller 52 is pivotally mounted, about an axis 55, on a support 56 of the movable roller. Said movable roller support 56 is itself mounted to pivot on the board 46, around an axis 57, allowing the movable roller 52 to come into contact with the rotor 8. A spring 58 of the movable roller is mounted on the frame, its free end resting on a support 60 provided on the mobile roller support 56. The movable roller 52 makes it possible to take up the assembly play of the annular drive element 3, canceling any radial sloshing and guaranteeing optimum performance.

L'élément entraineur circulaire 3 est agencé pour coopérer avec des moyens d'entrainement en rotation (appelés deuxièmes moyens d'entrainement) autour de l'axe central.The circular drive element 3 is arranged to cooperate with drive means in rotation (called second drive means) around the central axis.

Avantageusement, lesdits deuxièmes moyens d'entrainement en rotation de l'élément entraineur circulaire 3 autour de l'axe central sont agencés pour coopérer avec la couronne d'entrainement 6. Plus précisément, les deuxièmes moyens d'entrainement en rotation de l'élément entraineur circulaire 3 autour de l'axe central comprennent un mobile 24 d'un rouage de finissage coopérant avec un barillet (non représenté), source d'énergie pour alimenter le mécanisme d'animation. Ledit mobile 24 est disposé de préférence sur le bâti à proximité du bord périphérique intérieur de la couronne d'entrainement 6 de manière à pouvoir engrener avec la denture intérieure 12 et entrainer en rotation la couronne d'entrainement 6, et ainsi l'ensemble des premiers moyens d'entrainement de l'élément entraineur annulaire 3. Il est également prévu un renvoi de finissage 25 coopérant avec un régulateur de vitesse (non représenté). Ledit renvoi de finissage 25 est disposé sur le bâti de préférence à proximité du bord périphérique intérieur de la couronne d'entrainement 6 de manière à pouvoir engrener avec la denture intérieure 12 et réguler la vitesse de rotation de la couronne d'entrainement 6, et ainsi de l'ensemble des éléments de l'élément entraineur annulaire 3. Il est bien évident qu'il est également possible de prévoir un train d'engrenage principal allant du barillet au régulateur de vitesse et un train d'engrenage secondaire allant du train principal au mécanisme d'animation.Advantageously, said second means for driving the circular drive element 3 in rotation around the central axis are arranged to cooperate with the drive ring 6. More precisely, the second means for driving the element in rotation. circular drive 3 around the central axis comprise a mobile 24 of a finishing gear cooperating with a barrel (not shown), a source of energy for supplying the animation mechanism. Said mobile 24 is preferably disposed on the frame near the inner peripheral edge of the drive ring 6 so as to be able to mesh with the inner toothing 12 and drive the drive ring 6 in rotation, and thus all of the first drive means of the annular drive element 3. There is also provided a finishing gear 25 cooperating with a speed regulator (not shown). Said finishing gear 25 is arranged on the frame preferably near the inner peripheral edge of the drive ring 6 so as to be able to mesh with the inner toothing 12 and regulate the speed of rotation of the drive ring 6, and as well as all the elements of the annular drive element 3. It is obvious that it is also possible to provide a main gear train going from the barrel to the speed regulator and a secondary gear train going from the gear train. main to the animation mechanism.

L'élément entraineur circulaire 3, et plus particulièrement la couronne d'entrainement 6, comporte une ouverture 26 agencée pour laisser apparaitre l'une des faces de décoration 18a de l'élément décoratif 2 et dans laquelle ledit élément décoratif 2 est monté mobile en rotation autour de son axe 16. A cet effet, le porte-pierres 18 est monté libre en rotation autour de l'axe 16 et ledit axe 16 est maintenu sur la couronne d'entrainement 6, entre le pont de rotor 10 et le cadran mobile 4, comme le montre la figure 8, par ses extrémités 16a qui présentent chacune un méplat disposé dans un logement 26a correspondant formé dans l'ouverture 26 comme le montre la figure 5. Le pont de rotor 10 présente également une ouverture 28, disposée en regard de l'ouverture 26, et dans laquelle la partie non-apparente du porte-pierres 18 se loge et est libre de circuler.The circular drive element 3, and more particularly the drive ring 6, comprises an opening 26 arranged to reveal one of the decorative faces 18a of the decorative element 2 and in which said decorative element 2 is mounted movably in rotation around its axis 16. For this purpose, the stone holder 18 is mounted to rotate freely around the axis 16 and said axis 16 is held on the crown drive 6, between the rotor bridge 10 and the mobile dial 4, as shown in figure 8 , by its ends 16a which each have a flat disposed in a corresponding housing 26a formed in the opening 26 as shown in figure 5 . The rotor bridge 10 also has an opening 28, arranged opposite the opening 26, and in which the non-visible part of the stone holder 18 is housed and is free to circulate.

L'axe 16 est donc disposé ici dans un plan perpendiculaire à l'axe central. Selon une autre variante, la construction peut être modifiée pour prévoir un axe 16 incliné. En outre, l'axe 16 peut être disposé radialement ou non à l'axe central.The axis 16 is therefore arranged here in a plane perpendicular to the central axis. According to another variant, the construction can be modified to provide an inclined axis 16. In addition, the axis 16 may or may not be disposed radially to the central axis.

L'élément décoratif 2 est entrainé en rotation autour de son axe 16 par des premiers moyens d'entrainement en rotation embarqués sur l'élément entraineur annulaire 3 et agencés pour coopérer avec des moyens d'actionnement fixes prévus dans la périphérie de l'élément entraineur annulaire 3 de sorte que ledit élément décoratif 2 tourne autour de son axe 16 pour présenter successivement dans l'ouverture 26 de l'élément entraineur circulaire 3 ses faces de décoration 18a tout en tournant autour de l'axe central.The decorative element 2 is driven in rotation about its axis 16 by first rotational drive means on board the annular drive element 3 and arranged to cooperate with fixed actuating means provided in the periphery of the element. annular driver 3 so that said decorative element 2 rotates about its axis 16 to successively present in the opening 26 of the circular driver element 3 its decorative faces 18a while rotating around the central axis.

D'une manière avantageuse, les premiers moyens d'entrainement comprennent une croix de Malte 30 agencée pour coopérer avec les moyens d'actionnement fixes et un train d'engrenage, comprenant au moins un premier renvoi 32 et un second renvoi 34, reliant cinématiquement ladite croix de Malte 30 à l'élément décoratif 2.Advantageously, the first drive means comprise a Maltese cross 30 arranged to cooperate with the fixed actuating means and a gear train, comprising at least a first return 32 and a second return 34, kinematically connecting said Maltese cross 30 to the decorative element 2.

En référence à la figure 8, le premier renvoi 32 repose sur l'une des faces 18b du porte-pierres 18a et comprend un axe creux 32a monté traversant dans le porte-pierres 18 coaxialement à l'axe 16. Ledit axe 32a est solidaire du porte-pierres 18a, et est monté pivotant autour de l'axe 16, de sorte que le porte-pierres 18, solidaire du premier renvoi 32, tourne avec ledit premier renvoi 32 et son axe 32a autour de l'axe 16, soit ici dans un plan perpendiculaire à l'axe central.With reference to the figure 8 , the first reference 32 rests on one of the faces 18b of the stone holder 18a and comprises a hollow shaft 32a mounted through in the stone holder 18 coaxially with the axis 16. Said pin 32a is integral with the stone holder 18a, and is mounted to pivot around the axis 16, so that the stone holder 18, integral with the first reference 32, rotates with said first return 32 and its axis 32a around axis 16, ie here in a plane perpendicular to the central axis.

Le second renvoi 34 est monté solidaire sur la croix de Malte 30. Comme le montrent les figures 8 et 9, la croix de Malte 30 et le second renvoi 34 sont montés ensemble pivotants sur l'élément entraineur circulaire 3, selon un axe parallèle à l'axe central. Plus spécifiquement, la croix de Malte 30 et le second renvoi 34 sont montés ensemble entre le rotor 8 et le pont de rotor 10, de manière à être embarqués sur l'élément entraineur circulaire 3. Les extrémités de l'axe 36 de la croix de Malte 30 sont disposées respectivement dans un orifice 38 prévu sur le rotor 8 et dans un orifice 40 prévu en regard sur le pont de rotor 10, à proximité de l'élément décoratif 2 de sorte que le second renvoi 34 engrène avec le premier renvoi 32 selon un engrenage droit, conique ou hélicoïdal de préférence à 90°.The second reference 34 is mounted integrally on the Maltese cross 30. As shown in the figures 8 and 9 , the Maltese cross 30 and the second reference 34 are mounted together to pivot on the circular drive element 3, along an axis parallel to the central axis. More specifically, the Maltese cross 30 and the second reference 34 are mounted together between the rotor 8 and the rotor bridge 10, so as to be carried on the circular drive element 3. The ends of the axis 36 of the cross Maltese 30 are arranged respectively in an orifice 38 provided on the rotor 8 and in an orifice 40 provided opposite on the rotor bridge 10, near the decorative element 2 so that the second return 34 meshes with the first return 32 according to a right, bevel or helical gear, preferably at 90 °.

D'une manière avantageuse, les moyens d'actionnement coopérant avec la croix de Malte 30 comprennent une came 42 concentrique à l'élément entraineur circulaire 3 et montée fixe sur le bâti, par exemple la planche 46 du mouvement (cf. figure 9). En référence à la figure 7, ladite came 42 comprend sur son pourtour extérieur au moins une dent 44 agencée pour actionner les premiers moyens d'entrainement, et plus particulièrement pour commander la croix de Malte 30.Advantageously, the actuating means cooperating with the Maltese cross 30 comprise a cam 42 concentric with the circular drive element 3 and mounted fixedly on the frame, for example the plate 46 of the movement (cf. figure 9 ). With reference to the figure 7 , said cam 42 comprises on its outer periphery at least one tooth 44 arranged to actuate the first drive means, and more particularly to control the Maltese cross 30.

Le profil de chaque branche de la croix de Malte 30 est prévu pour correspondre au profil circulaire de la came 42, de sorte que la position angulaire de la croix de Malte 30 ne change pas tant que le profil d'une de ses branches est au plus près de la partie circulaire de la came 42. Quand la croix de Malte 30 embarquée sur l'élément entraineur circulaire 3 en rotation rencontre une dent 44 de la came 42 fixe, elle effectue une rotation de préférence de 90° jusqu'à ce qu'elle soit de nouveau verrouillée par le profil circulaire de la came 42.The profile of each branch of the Maltese Cross 30 is provided to match the circular profile of the cam 42, so that the angular position of the Maltese Cross 30 does not change as long as the profile of one of its branches is at. closer to the circular part of the cam 42. When the Maltese cross 30 on board the rotating circular drive element 3 meets a tooth 44 of the fixed cam 42, it rotates preferably 90 ° until that it is again locked by the circular profile of the cam 42.

Un ressort de friction 48 est monté sous le pont de rotor 10, son extrémité libre étant au contact de la face 18b du porte-pierres 18 opposée à la face 18b contre laquelle repose le premier renvoi 32. Le ressort de friction 48 agit sur le porte-pierres 18 comme un patin trainant, afin d'éliminer tout ébat ou ballottement qui pourrait gêner l'engrènement de la croix de Malte 30 sur chacune des dents 44 de la came 42.A friction spring 48 is mounted under the rotor bridge 10, its free end being in contact with the face 18b of the opposite stone holder 18. to the face 18b against which the first reference 32 rests. The friction spring 48 acts on the stone holder 18 like a dragging pad, in order to eliminate any fretting or sloshing which could interfere with the engagement of the Maltese cross 30 on each of the teeth 44 of the cam 42.

La came 42 comprend un nombre n de dents 44 réparties sur son pourtour extérieur permettant n rotations de l'élément décoratif 2 par tour de l'élément entraineur circulaire 3. Les dents 44 peuvent être réparties sur la came 42 de manière régulière, permettant une rotation régulière et continue de la croix de Malte 30 et donc de l'élément décoratif 2 lors de la rotation de l'élément entraineur circulaire 3. Les dents 44 peuvent également être réparties sur la came 42 de manière irrégulière, par exemple comme montré sur la figure 7, permettant une rotation discontinue de la croix de Malte 30 et donc de l'élément décoratif 2 lors de la rotation de l'élément entraineur circulaire 3.The cam 42 comprises a number n of teeth 44 distributed over its outer periphery allowing n rotations of the decorative element 2 per revolution of the circular drive element 3. The teeth 44 can be distributed on the cam 42 in a regular manner, allowing a regular and continuous rotation of the Maltese cross 30 and therefore of the decorative element 2 during the rotation of the circular drive element 3. The teeth 44 can also be distributed on the cam 42 in an irregular manner, for example as shown on the figure 7 , allowing a discontinuous rotation of the Maltese cross 30 and therefore of the decorative element 2 during the rotation of the circular drive element 3.

D'une manière avantageuse, l'élément décoratif 2 comprend m faces de décoration, m pouvant être égal ou différent de n. De préférence, m est différent de n. Ainsi, par exemple selon l'exemple représenté, l'élément décoratif 2 comprend trois faces de décoration 18a alors que la came 42 comprend quatre dents 44, ce qui permet à l'élément décoratif 2 d'avoir, lors d'un tour de l'élément entraineur circulaire 3, une séquence de rotation de ses faces de décoration différente du tour précédent.Advantageously, the decorative element 2 comprises m decorative faces, m possibly being equal to or different from n. Preferably, m is different from n. Thus, for example according to the example shown, the decorative element 2 comprises three decorative faces 18a while the cam 42 comprises four teeth 44, which allows the decorative element 2 to have, during a turn of the circular driving element 3, a sequence of rotation of its decorative faces different from the previous turn.

L'élément entraineur 3 du mécanisme d'animation peut être alimenté en énergie par au moins un accumulateur d'énergie autonome, tel qu'un barillet, indépendant de l'accumulateur d'énergie du mouvement, sa vitesse étant régulée par un régulateur. Le barillet est agencé pour être relié cinématiquement au mobile 24 du rouage de finissage et le régulateur est relié cinématiquement au renvoi de finissage 25.The driving element 3 of the animation mechanism can be supplied with energy by at least one autonomous energy accumulator, such as a barrel, independent of the energy accumulator of the movement, its speed being regulated by a regulator. The barrel is arranged to be kinematically connected to the mobile 24 of the finishing gear train and the regulator is kinematically connected to the finishing gear 25.

Avantageusement, le mécanisme d'animation peut être mis en mouvement et arrêté par un mécanisme de commande indépendant du mouvement de la pièce d'horlogerie.Advantageously, the animation mechanism can be set in motion and stopped by a control mechanism independent of the movement of the timepiece.

D'une manière avantageuse, un tel mécanisme de commande comprend des moyens de commande agencés pour exercer deux fonctions, à savoir des premiers moyens de commande agencés pour exercer une première fonction consistant à mettre en marche (GO) et arrêter (STOP) le mécanisme d'animation à la demande d'un utilisateur, et des seconds moyens de commande agencés pour exercer une seconde fonction consistant à arrêter le mécanisme d'animation lorsque l'énergie de l'accumulateur d'énergie autonome est trop faible pour garantir une bonne vitesse et un bon fonctionnement du mécanisme d'animation, et que l'énergie restante atteint un seuil d'énergie déterminé. Cette seconde fonction permet au mécanisme d'animation de s'arrêter tout seul même si l'utilisateur n'a pas donné d'ordre STOP.Advantageously, such a control mechanism comprises control means arranged to perform two functions, namely first control means arranged to exercise a first function consisting in starting (GO) and stopping (STOP) the mechanism. animation at the request of a user, and second control means arranged to perform a second function consisting in stopping the animation mechanism when the energy of the autonomous energy accumulator is too low to guarantee good speed and proper functioning of the animation mechanism, and that the remaining energy reaches a determined energy threshold. This second function allows the animation mechanism to stop by itself even if the user has not given a STOP command.

Pour exercer la première fonction STOP & GO, les premiers moyens de commande du mécanisme de commande peuvent comprendre une couronne poussoir pourvue d'un bouton poussoir STOP & GO, une roue à colonnes apte à évoluer entre une position STOP d'arrêt du mécanisme d'animation et une position GO de mise en marche du mécanisme d'animation, ladite roue à colonnes coopérant d'une part avec une bascule d'actionnement actionnée par le bouton poussoir et d'autre part avec une première bascule de blocage agencée pour palper les positions STOP et GO de la roue à colonnes et évoluer entre une position de blocage du régulateur, en bloquant par exemple le renvoi de finissage 25 relié cinématiquement au régulateur, lorsque la position STOP de la roue à colonnes est palpée, et une position de fonctionnement dans laquelle ledit renvoi de finissage 25 n'est pas bloqué, et donc le régulateur est libre, lorsque la position GO de la roue à colonnes est palpée.To perform the first STOP & GO function, the first control means of the control mechanism can comprise a push crown provided with a STOP & GO push button, a column wheel able to move between a STOP position of the stop mechanism. 'animation and a GO position for starting the animation mechanism, said column wheel cooperating on the one hand with an actuation latch actuated by the push button and on the other hand with a first locking latch arranged to feel the STOP and GO positions of the column wheel and move between a blocked position of the regulator, for example by blocking the finishing gear 25 kinematically connected to the regulator, when the STOP position of the column wheel is sensed, and a position of operation in which said finishing gear 25 is not blocked, and therefore the regulator is free, when the GO position of the column wheel is sensed.

Pour exercer la seconde fonction d'arrêt lorsque l'énergie du barillet devient insuffisante, les seconds moyens de commande du mécanisme de commande peuvent comprendre, comme représenté sur les figures 11 et 12, une seconde bascule de blocage 80 agencée pour évoluer entre une position de fonctionnement (cf. Figure 11) dans laquelle le renvoi de finissage 25 relié cinématiquement au régulateur de vitesse n'est pas bloqué, de sorte que le régulateur est libre, lorsque l'énergie de l'accumulateur est supérieure à un seuil déterminé, et une position de blocage du régulateur (cf. Figure 12), en bloquant par exemple ledit renvoi de finissage 25, lorsque l'énergie de l'accumulateur atteint ledit seuil déterminé. A cet effet, il est prévu un doigt de réserve de marche 82 monté solidaire sur un mobile d'affichage de réserve de marche 84 relié cinématiquement à l'accumulateur d'énergie, ledit doigt de réserve de marche 82 étant agencé pour appuyer sur une goupille 86 prévue sur la seconde bascule de blocage 80, lorsque le seuil déterminé d'énergie est atteint. Lorsque le doigt de réserve de marche 82 appuie sur la goupille 86, la seconde bascule de blocage 80 bascule autour de son axe 88 en position de blocage pour venir bloquer le renvoi de finissage 25 comme montré sur la figure 12. Quand l'accumulateur d'énergie est remonté, et que l'énergie de l'accumulateur redevient supérieure au seuil déterminé, le doigt de réserve de marche 82 entrainé par le mobile de réserve de marche 84 s'écarte de la goupille 86 de sorte que la seconde bascule de blocage 80 s'éloigne du renvoi de finissage 25 pour retrouver sa position de fonctionnement comme montré sur la figure 11. Il est prévu un ressort 90 dont l'extrémité libre coopère avec une goupille 92 prévue sur la seconde bascule de blocage 80 pour faire basculer ladite seconde bascule de blocage 80 et la ramener en position de fonctionnement lorsque le doigt de réserve de marche 82 n'appuie plus sur la goupille 86. Un tel mécanisme de commande permet au mécanisme d'animation de redémarrer sans délai dès que l'utilisateur commence à remonter l'accumulateur d'énergie dans le cas où le bouton poussoir est en position GO.To perform the second stop function when the energy of the barrel becomes insufficient, the second control means of the control mechanism can comprise, as shown in the figures. figures 11 and 12 , a second locking flip-flop 80 arranged to move between a operating position (cf. Figure 11 ) in which the finishing gear 25 kinematically connected to the speed regulator is not blocked, so that the regulator is free, when the energy of the accumulator is greater than a determined threshold, and a blocked position of the regulator (cf. Figure 12 ), for example by blocking said finishing return 25, when the energy of the accumulator reaches said determined threshold. For this purpose, there is provided a power reserve finger 82 mounted integrally on a power reserve display mobile 84 kinematically connected to the energy accumulator, said power reserve finger 82 being arranged to press on a pin 86 provided on the second locking latch 80, when the determined energy threshold is reached. When the power reserve finger 82 presses on the pin 86, the second blocking lever 80 rocks around its axis 88 in the blocking position to come and block the finishing gear 25 as shown in FIG. figure 12 . When the energy accumulator is reassembled, and the energy of the accumulator again becomes greater than the determined threshold, the power reserve finger 82 driven by the power reserve mobile 84 moves away from the pin 86 so that the second locking lever 80 moves away from the finishing gear 25 to return to its operating position as shown in the figure figure 11 . A spring 90 is provided, the free end of which cooperates with a pin 92 provided on the second locking lever 80 in order to tilt said second locking lever 80 and bring it back to the operating position when the power reserve finger 82 does not. presses the pin 86 more. Such a control mechanism allows the animation mechanism to restart without delay as soon as the user begins to wind up the energy accumulator in the event that the push button is in the GO position.

Pour faire fonctionner le mécanisme d'animation, le mécanisme de commande est actionné par appui sur le bouton-poussoir en position GO. L'élément entraineur annulaire 3 est alors mis en rotation par l'intermédiaire du mobile 24 engrenant avec la couronne d'entrainement 6 et embarque avec lui l'élément décoratif 2 et les premiers moyens d'entrainement en rotation 30, 32, 34. Lorsque la croix de Malte 30 embarquée sur l'élément entraineur annulaire 3 passe devant une dent 44 de la came 32 fixe, la croix de Malte 30 pivote de 90°. Les changements de position angulaire de la croix de Malte 30 sont ensuite transmis à l'élément décoratif 2, par l'intermédiaire du second renvoi 34 et du premier renvoi 32, de manière à entrainer la rotation de l'élément décoratif 2 autour de son axe 16, de préférence d'un angle de 120°, quatre fois par tour de l'élément entraineur circulaire 3. Ainsi, l'élément décoratif 2 effectue un déplacement combiné, d'une part en tournant autour de son axe 16 pour présenter successivement dans l'ouverture 26 de l'élément entraineur annulaire 3 ses faces de décoration 18a et d'autre part en tournant, avec l'élément entraineur annulaire 3, autour de l'axe central.To operate the animation mechanism, the control mechanism is actuated by pressing the push-button in the GO position. The annular drive element 3 is then rotated by means of the mobile 24 meshing with the drive ring 6 and carries with it the decorative element 2 and the first means for driving in rotation 30, 32, 34. When the Maltese cross 30 on board the annular driving element 3 passes in front of a tooth 44 of the fixed cam 32, the cross de Malte 30 rotates 90 °. The changes in angular position of the Maltese cross 30 are then transmitted to the decorative element 2, via the second reference 34 and the first reference 32, so as to cause the rotation of the decorative element 2 around its axis 16, preferably at an angle of 120 °, four times per turn of the circular drive element 3. Thus, the decorative element 2 performs a combined movement, on the one hand by rotating around its axis 16 to present successively in the opening 26 of the annular driving element 3 its decorative faces 18a and on the other hand by rotating, with the annular driving element 3, around the central axis.

L'invention n'est pas limitée à l'exemple décrit. Notamment, la couronne d'entrainement pourrait présenter une denture sur son pourtour extérieur, les deuxièmes moyens d'entrainement étant disposés en conséquence. Par ailleurs, l'élément entraineur circulaire 3 peut être plein, les galets étant alors remplacés par un autre système de maintien radial de type roulement par exemple, ou prévus à l'extérieur de l'élément entraineur circulaire 3.The invention is not limited to the example described. In particular, the drive ring could have teeth on its outer periphery, the second drive means being arranged accordingly. Furthermore, the circular drive element 3 may be solid, the rollers then being replaced by another radial support system of the rolling type for example, or provided outside the circular drive element 3.

Claims (14)

  1. Timepiece including a moving mechanism for a decorative element (2) said decorative element (2) including at least two decorative faces (18a) disposed around an arbor (15) defining the axis of said decorative element (2), said moving mechanism including a circular drive element (3) arranged to be rotatable about a central axis and including an aperture (26) arranged to reveal one of the decorative faces (18a) of the decorative element (2) and inside which said decorative element (2) is mounted to rotate about its arbor (16), and first means for driving said decorative element (2) in rotation about its arbor (16) mounted on the circular drive element (3) and arranged to cooperate with fixed actuation means provided in the periphery of the circular drive element (3) such that said decorative element (2) rotates about its arbor (16) to successively display its decorative faces (18a) inside the aperture (26) of the circular drive element (3) while rotating about the central axis, characterized in that the actuation means include a cam (42) concentric with the circular drive element (3) and fixedly mounted on a frame, said cam (42) comprising on its outer edge at least one tooth (44) arranged to actuate the first drive means.
  2. Timepiece according to claim 1, characterized in that the first drive means include a Maltese cross (30) arranged to cooperate with the fixed actuation means and a gear train, including at least a first intermediate wheel (32) and a second intermediate wheel (34) kinematically connecting said Maltese cross (30) to the decorative element (2).
  3. Timepiece according to claims 1 and 2, characterized in that the tooth (44) is arranged to control the Maltese cross (30).
  4. Timepiece according to any of claims 2 and 3, characterized in that the cam (42) includes a number n of teeth (44) distributed over its outer edge allowing n rotations of the decorative element (2) per revolution of the circular drive element (3).
  5. Timepiece according to claim 4, characterized in that the decorative element (2) includes m decorative faces (18a), wherein m is equal to or different from n.
  6. Timepiece according to any of the preceding claims, characterized in that the decorative faces (18a) of the decorative element (2) are decorated differently from each other.
  7. Timepiece according to any of the preceding claims, characterized in that the circular drive element (3) is hollow at the centre thereof to be annular in shape and includes a drive crown (6).
  8. Timepiece according to claim 7, characterized in that the mechanism includes second means for driving the circular drive element (3) in rotation about the central axis arranged to cooperate with the drive crown (6).
  9. Timepiece according to any of the preceding claims, characterized in that the circular drive element (3) is held radially on the frame by at least two runners (50, 52) mounted on a frame, one of the runners being fixed and the other runner being mobile.
  10. Timepiece according to any of the preceding claims, characterized in that the decorative element (2) includes a stone-holder (18) carrying stones (20) forming the decorative faces (18a) of the decorative element (2), said stone-holder (18) being integral with the first intermediate wheel (32) of the gear train, said stone-holder (18) and said first intermediate wheel (32) being mounted to pivot about the arbor (16) of the decorative element (2).
  11. Timepiece according to any of preceding claims, characterized in that the timepiece includes at least one energy accumulator for supplying the moving mechanism with energy, a governor for the moving mechanism, and a control mechanism for the moving mechanism, said control mechanism including first control means arranged to start and stop the moving mechanism on demand by a user, and second control means arranged to stop the moving mechanism when the energy remaining in the energy accumulator reaches a determined energy threshold.
  12. Timepiece according to the preceding claim, characterized in that the first control means of the control mechanism comprise a push button, a column wheel cooperating with said push button to move between a position STOP for stopping the moving mechanism and a position GO for starting the moving mechanism, and a first locking lever arranged to feel the STOP position and the GO position of the column wheel and to move between a governor locking position when the STOP position of the column wheel is detected, and an operating position in which said governor is free when the GO position of the column wheel is detected.
  13. Timepiece according to any of claims 11 to 12, characterized in that the second control means of the control mechanism include a second locking lever (80) arranged to move between an operating position in which the governor is free, when the energy in the accumulator is higher than a determined threshold, and a governor locking position when the energy in the accumulator reaches said determined threshold.
  14. Timepiece according to claim 13, characterized in that the timepiece includes a power reserve finger (82) integrally mounted on a power reserve display wheel set (84) kinematically connected to the energy accumulator, said power reserve finger (82) being arranged to press on the second locking lever (80) when the determined energy threshold is reached and to move said locking lever (80) into its governor locking position.
EP18169955.4A 2018-04-27 2018-04-27 Mechanism for animating a decorative element of a timepiece Active EP3561611B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18169955.4A EP3561611B1 (en) 2018-04-27 2018-04-27 Mechanism for animating a decorative element of a timepiece
US16/378,971 US11449006B2 (en) 2018-04-27 2019-04-09 Moving mechanism for a decorative element of a timepiece
JP2019082674A JP6796678B2 (en) 2018-04-27 2019-04-24 Movement mechanism for decorative elements of the timekeeper
CN201910344599.3A CN110412858B (en) 2018-04-27 2019-04-26 Movement mechanism for a decorative element of a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18169955.4A EP3561611B1 (en) 2018-04-27 2018-04-27 Mechanism for animating a decorative element of a timepiece

Publications (2)

Publication Number Publication Date
EP3561611A1 EP3561611A1 (en) 2019-10-30
EP3561611B1 true EP3561611B1 (en) 2021-08-04

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EP18169955.4A Active EP3561611B1 (en) 2018-04-27 2018-04-27 Mechanism for animating a decorative element of a timepiece

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US (1) US11449006B2 (en)
EP (1) EP3561611B1 (en)
JP (1) JP6796678B2 (en)
CN (1) CN110412858B (en)

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EP3832397B1 (en) * 2019-12-05 2023-09-06 Blancpain SA Stepwise timepiece display mechanism
CN114326355B (en) * 2021-12-31 2023-06-30 深圳市新隆达表业有限公司 Variable dial plate structure and watch with same
JP7779747B2 (en) * 2022-01-18 2025-12-03 セイコータイムクリエーション株式会社 clock
CH720207A1 (en) * 2022-11-07 2024-05-15 Louis Vuitton Malletier Sa Watch mechanism

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Also Published As

Publication number Publication date
US20190332058A1 (en) 2019-10-31
JP6796678B2 (en) 2020-12-09
EP3561611A1 (en) 2019-10-30
CN110412858B (en) 2021-05-04
CN110412858A (en) 2019-11-05
JP2019191179A (en) 2019-10-31
US11449006B2 (en) 2022-09-20

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