EP3605244A1 - Timepiece display mechanism with elastic needle - Google Patents
Timepiece display mechanism with elastic needle Download PDFInfo
- Publication number
- EP3605244A1 EP3605244A1 EP19185917.2A EP19185917A EP3605244A1 EP 3605244 A1 EP3605244 A1 EP 3605244A1 EP 19185917 A EP19185917 A EP 19185917A EP 3605244 A1 EP3605244 A1 EP 3605244A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- differential
- cam
- barrel
- display mechanism
- chassis
- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 79
- 230000001360 synchronised effect Effects 0.000 claims description 24
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims 2
- 241000726409 Satellites Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 235000021183 entrée Nutrition 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 241000220304 Prunus dulcis Species 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Classifications
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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
- G04B19/04—Hands; Discs with a single mark or 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
- G04B13/00—Gearwork
- G04B13/001—Gearwork with the choice of adjustable or varying transmission ratio
-
- 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
- G04B13/007—Gearwork with differential work
-
- 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
- G04B13/007—Gearwork with differential work
- G04B13/008—Differentials
-
- 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
- G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
-
- 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
- G04B19/04—Hands; Discs with a single mark or the like
- G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
-
- 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
- G04B19/04—Hands; Discs with a single mark or the like
- G04B19/048—Hands; Discs with a single mark or the like having the possibility of indicating on more than one scale, e.g. hands with variable length which work on different 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
- G04B19/06—Dials
- G04B19/08—Geometrical arrangement of the graduations
- G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- 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
- G04B45/0061—Moving parts of the clockwork, e.g. pendulum, hands in special form, mostly constructed as a figure
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
- G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
Definitions
- the invention relates to a clockwork display mechanism with variable geometry, comprising at least one elastic hand which comprises a first drive barrel secured to a first end of a flexible blade, and a second drive barrel secured from another end of said flexible blade, and having a display index which, in an unstressed free state of said elastic needle in which both said first barrel and said second barrel are not stressed and are distant from each other, is spaced from said first barrel and from said second barrel, the service position of said elastic needle being a constrained position where said first barrel and said second barrel are coaxial with each other around an output axis, said display mechanism comprising first means for driving said first barrel around said output axis, and second means for driving said two xth barrel around said outlet axis, said first drive means and second drive means being arranged to deform said flexible blade, by varying the angular position of said second barrel relative to the angular position of said first barrel around said axis of output, and to vary the radial position of said display index relative to said output axis.
- the invention relates to a timepiece movement comprising at least one such display mechanism.
- the invention relates to a watch comprising at least one such movement, and / or at least one such display mechanism.
- the invention relates to the field of clockwork display mechanisms, and more particularly for timepieces with complications, the invention can be used both for static timepieces such as pendulums or clocks, and for watches, due to the small dimensions of the mechanism according to the invention.
- the dials of many timepieces are not circular, and it is advantageous to have solutions allowing to occupy all the available surface, for an even better visualization.
- variable geometry display mechanism makes it possible to break a certain monotony of the displays, and to make the display more lively, with different aspects depending on the time of the day, or according to particular time periods.
- an AM / PM display can be simply provided by the shape of a needle, which has a first aspect during the twelve hours of the morning, and a second aspect during the rest of the day ; we can also distinguish day / night displays, time zone displays, or others.
- Elastic needles, and display mechanisms comprising such elastic needles have been described in the documents EP2863274 , EP 3159751 , and EP18186552 , which disclose many variations.
- the invention proposes to further simplify such a mechanism and to make it even more compact and economical to produce.
- the invention relates to a clockwork display mechanism with variable geometry, according to claim 1.
- the invention relates to a timepiece movement comprising at least one such display mechanism.
- the invention relates to a watch comprising at least one such movement, and / or at least one such display mechanism.
- the same application also describes a second case of actuation mechanism by means of a first differential on the train of the first barrel and a second differential on the train of the second barrel, and at least one cam constituting an input of such a differential. Therefore, it is necessary to find and size an adequate planetary (differential) gear. Planetary gears have the advantage of achieving high transmission ratios in a small footprint.
- the input and output shafts are an extension of each other.
- the figure 8 shows an example of such an embodiment, with a heart cam in the right part of the figure, traversed by a curved sickle-shaped lever having an internally toothed part, with which a wheel of a first differential cooperates, in the left part in the figure, a second differential being visible in the rear right-hand part of the figure, these two differentials attacking two coaxial guns.
- the lever of this figure does not have a return spring, because it is the elastic needle which advantageously fulfills this function.
- the lever activates the crown, which by means of the satellites visible on the principle diagram of one of the two differentials, makes it possible to generate the necessary advance or delay.
- This mechanism of the figure 8 performs well the function of generation of advance or delay on the guns, but remains bulky and contains many components.
- the invention proposes to further simplify the mechanism and make it even more compact and economical to produce.
- a small caliber such as a ladies' watch
- the main difficulty is linked to the low torque available. It is therefore advisable to create a mechanism with the lowest possible energy consumption.
- the invention proposes to control the satellite.
- a probe in the satellite By setting up a probe in the satellite, and by controlling the latter with a round cam, we obtain a speed ratio equal to one between the sun wheel and the chassis carrying the satellites: the assembly then behaves like a mobile.
- the cams shown on the figure 2 allow, thus, to obtain the trajectory of the tip of the needle of the figure 5 .
- the invention thus relates, more particularly, to a clockwork display mechanism 10 with variable geometry, comprising at least one elastic hand 1.
- This elastic needle which comprises a first drive barrel 2 secured to a first end of a flexible blade 3, and a second drive barrel 4 secured to another end of the flexible blade 3.
- This flexible blade 3 can be a continuous blade, or even a blade comprising a succession of segments 5 joined two by two at the level of vertices 6, as visible on the Figures 5 and 6 .
- This flexible blade 3 has a display index which, in an unconstrained free state of the elastic needle 1 in which both the first barrel 2 and the second barrel 4 are not subjected to any stress and are distant one on the other, is distant from the first barrel 2 and the second barrel 4, the service position of the elastic needle 1 being a constrained position where the first barrel 2 and the second barrel 4 are coaxial with one another around an output axis D.
- the display index is advantageously, but not necessarily, constituted by a vertex 6.
- the display mechanism 10 includes first drive means 11 for the first barrel 2 around the outlet axis D, and second drive means 13 for the second barrel 4 around the outlet axis D.
- first barrel 2 and the second barrel 4 are not coaxial are not described here, they remain feasible for certain special displays, in particular displays which are not of revolution, such as retrograde displays or the like.
- the first drive means 11 and the second drive means 13 are arranged to deform the flexible blade 3, by varying the angular position of the second barrel 4 relative to the angular position of the first barrel 2 around the axis of output D, and to vary the radial position of the display index relative to the output axis D.
- the display mechanism 10 comprises a first differential 912 on the gear train of the first barrel 2, and an input of which is constituted by a first cam 92 or 820, and a second differential 914 on the gear train d drive of the second barrel 4, and an input of which is constituted by a second cam 94 or 810.
- the first cam can be a fixed cam or a movable cam
- the second cam can be, in the same way , a fixed cam or a mobile cam.
- the figures 10, 12 , 14 , 16 illustrate some specific configurations.
- the first differential 912 and the second differential 914 comprise a common planet carrier chassis or two synchronous chassis each satellite carrier, carrying or respectively carrying the satellites 82, 84, which each comprise an eccentric probe 83, 85, which is arranged to follow its respective cam 92, 820, 94, 810, depending on the variant.
- first drive means 11 or the second drive means 13 are arranged to drive another input of an input differential, which is another input than the cam mentioned above constituting one of the inputs of the differential concerned.
- This input differential is one of the first differential 912 and second differential 914; for example on the variant of Figures 1 and 2 , the input differential is the second differential 914.
- This other input is constituted by a first satellite of the input differential.
- the first satellite is mounted free in rotation on an input planet carrier frame 80 which is itself mounted free in rotation around the output axis D.
- the sun gear of the input differential is made up, or else by a first toothing 21 worn by the first barrel 2 when the input differential is the first differential 912, or else by a second toothing 41 carried by the second barrel 4 when the input differential is the second differential 914.
- satellite carrier chassis means a chassis capable of carrying at least one satellite, on any of its faces.
- the other of the first differential 912 and second differential 914 is an output differential, of which another input is constituted by a second satellite of the output differential.
- This second satellite is mounted for free rotation on the input planet carrier frame 80 as on the figure 2 , or else on an output satellite carrier chassis which is mounted to rotate freely around the output axis D and synchronous with the input satellite carrier chassis 80.
- the output pinion of the output differential consists of a second toothing 41 worn by the second barrel 4 when the input differential is the first differential 912, or by a first toothing 21 carried by the first barrel 2 when the input differential is the second differential 914.
- the second satellite is mounted to rotate freely on the input satellite carrier chassis 80, on the face opposite to that which carries the first satellite, as visible on the figures 2 and 3 , which show the input planet carrier frame 80 having counterbores on the upper and lower faces, and upper pivot pins 81 and lower 89.
- the first differential 912 comprises a first satellite 82 comprising a first eccentric finger 83, which is arranged to traverse a first internal track 93 of the first cam 92 or 820, in particular a fixed cam, and is biased against the first internal track 93 by the elasticity of the elastic needle 1.
- the second differential 914 comprises a second satellite 84 comprising a second eccentric finger 85, which is arranged to traverse a second internal track 95 of the second cam 94 or 810, in particular a fixed cam, and which is biased against the second internal track 95 by the elasticity of the elastic needle 1. It is advantageous to use the elasticity of the elastic needle 1 itself to save a return component which would be necessary to ensure the plating of each probe on its cam track.
- the first cam, 92 or 820 in particular a fixed cam, is fixed in an indexed manner to the second cam, 94 or 810, in particular a fixed cam, with which it forms a box.
- This box contains the first barrel 2, the second barrel 4, and, interposed freely in rotation between the first cam 92 or 820, in particular a fixed cam, and the second cam 94 or 810, in particular a fixed cam, or else a door frame -single input satellite 80 carrying all the mobiles of the first differential 912 and the second differential 914, or else an input satellite carrier 80 carrying all the mobiles of the first differential 912 and a satellite carrier chassis output mounted freely rotating around the output axis D and synchronous with the input planet carrier frame 80 and carrying all the mobiles of the second differential 914.
- the first satellite projects radially, with reference to the output axis D and with respect to the first cam, 92 or 820, in particular a fixed cam, and to the second cam, 94 or 810, in particular a cam fixed ,, and is arranged to cooperate with an internally toothed ring, which comprises the display mechanism 10, for driving this at least one elastic needle 1.
- the implementation of the invention makes it possible to obtain a wide variety of different displays, depending on the kinematics imposed on the cams and on the planet carrier chassis, or on the planet carrier chassis when there are several.
- the first cam 92 or 820 and the second cam 94 or 810 are fixed relative to a plate or a bridge that comprises the display mechanism, and the common planet carrier 80 in the case of the figure, or both synchronous planet carrier chassis, in another variant not shown, is or are driven by a control mechanism of the display mechanism 10.
- the figure 11 shows the ovoid trajectory T of a vertex 6 of the needle 1, associated with this mechanism.
- first cam, 92 or 820, and the second cam, 94 or 810 are pivoting and synchronous.
- the first cam, 92 or 820, and the second cam, 94 or 810 are pivoting and synchronous, and the common planet carrier chassis 80 illustrated, or the two synchronous chassis, each planet carrier, is or are fixed relative to a plate or a bridge that includes the display mechanism 10.
- the figure 13 shows the linear trajectory of a vertex 6 of the needle 1, associated with this mechanism, since this elastic needle 1 here does not rotate around the exit axis D, but changes in length as a function of the shape of the cams, between a minimum radius RMIN and a maximum radius RMAX; an application consists, for example, of a linear power reserve display.
- the first cam, 92 or 820, and the second cam, 94 or 810 are pivoting, and can be locked in a fixed position, but not permanently, because they can perform a rotational movement on demand, in particular but not limitatively one turn or an entire number of turns.
- the first cam, 92 or 820, and the second cam, 94 or 810 are pivoting and synchronous, and the common planet carrier chassis 80 illustrated, or the two synchronous chassis, each planet carrier, in a another variant not illustrated, is or are pivotally coaxial with respect to the first cam, 92 or 820, and the second cam, 94 or 810.
- the display mechanism 10 then comprises a control mechanism on demand to rotate together the first cam, 92 or 820, and the second cam, 94 or 810, and to vary the radial extension of the elastic needle 1 relative to the outlet axis D.
- the figure 15 shows the square trajectory T of a vertex 6 of needle 1, associated with the mechanism of the figure 14 .
- This vertex 6 is distant from the exit axis D by a distance which varies between a minimum radius RMIN and a maximum radius RMAX.
- RMIN minimum radius
- RMAX maximum radius
- the figure 16 illustrates, similarly to figures 10, 12 , and 14 , another variant where one of the cams, here the second cam 810, is carried by the planet carrier frame 80: it cooperates with the second eccentric finger 85 of the second satellite 84 which is carried by the pivot pin 81 of the same satellite carrier frame 80; on the underside of this planet carrier frame 80 is similarly guided the first satellite 82, the first eccentric finger 83 of which cooperates with the first internal track 93 of the first cam 92.
- the symmetrical configuration can be achieved with a first cam 820 formed at the level of the planet carrier frame 80, and a second cam 94 external to the latter.
- the invention also relates to a timepiece movement 900 comprising at least one such display mechanism 10.
- the invention also relates to a watch 1000 comprising at least one such movement 900, and / or at least one such display mechanism 10.
- the invention makes it possible to generate advance and / or delay on the two barrels of the elastic needle, making it possible to generate complex trajectories, the whole in a very simple, compact manner, consuming little torque and therefore very reliable.
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Abstract
Mécanisme d'affichage (10) d'horlogerie à aiguille élastique (1) comportant des premiers (11) et des deuxièmes (13) moyens d'entraînement (11), autour d'un axe de sortie (D), d'un premier (2) et d'un deuxième (4) canons montés aux extrémités d'une lame flexible (3), et comportant un index d'affichage distant des canons, ces moyens d'entraînement (11 ; 13) étant agencés pour déformer la lame flexible (3), en faisant varier la position angulaire d'un canon par rapport à l'autre autour de l'axe de sortie (D), et pour faire varier la position radiale de l'index d'affichage par rapport à cet axe, ce mécanisme (10) comporte un premier différentiel (912) sur le rouage d'entraînement du premier canon (2) dont une entrée est constituée par une première came (92, 820), et un deuxième différentiel (914) sur le rouage d'entraînement du deuxième canon (4) et dont une entrée est constituée par une deuxième came (94, 810).Watch mechanism (10) of clockwork with elastic hand (1) comprising first (11) and second (13) drive means (11), around an output axis (D), of a first (2) and a second (4) barrel mounted at the ends of a flexible blade (3), and comprising a display index remote from the barrels, these drive means (11; 13) being arranged to deform the flexible blade (3), by varying the angular position of one barrel relative to the other around the exit axis (D), and to varying the radial position of the display index relative at this axis, this mechanism (10) comprises a first differential (912) on the drive train of the first barrel (2), an input of which is constituted by a first cam (92, 820), and a second differential (914) on the drive train of the second barrel (4) and an inlet of which is constituted by a second cam (94, 810).
Description
L'invention concerne un mécanisme d'affichage d'horlogerie à géométrie variable, comportant au moins une aiguille élastique laquelle comporte un premier canon d'entraînement solidaire d'une première extrémité d'une lame flexible, et un deuxième canon d'entraînement solidaire d'une autre extrémité de ladite lame flexible, et comportant un index d'affichage qui, dans un état libre non contraint de ladite aiguille élastique dans lequel à la fois ledit premier canon et ledit deuxième canon ne sont soumis à aucune contrainte et sont distants l'un de l'autre, est distant dudit premier canon et dudit deuxième canon, la position de service de ladite aiguille élastique étant une position contrainte où ledit premier canon et ledit deuxième canon sont coaxiaux l'un à l'autre autour d'un axe de sortie, ledit mécanisme d'affichage comportant des premiers moyens d'entraînement dudit premier canon autour dudit axe de sortie, et des deuxièmes moyens d'entraînement dudit deuxième canon autour dudit axe de sortie, lesdits premiers moyens d'entraînement et deuxièmes moyens d'entraînement étant agencés pour déformer ladite lame flexible, en faisant varier la position angulaire dudit deuxième canon par rapport à la position angulaire dudit premier canon autour dudit axe de sortie, et pour faire varier la position radiale dudit index d'affichage par rapport audit axe de sortie.The invention relates to a clockwork display mechanism with variable geometry, comprising at least one elastic hand which comprises a first drive barrel secured to a first end of a flexible blade, and a second drive barrel secured from another end of said flexible blade, and having a display index which, in an unstressed free state of said elastic needle in which both said first barrel and said second barrel are not stressed and are distant from each other, is spaced from said first barrel and from said second barrel, the service position of said elastic needle being a constrained position where said first barrel and said second barrel are coaxial with each other around an output axis, said display mechanism comprising first means for driving said first barrel around said output axis, and second means for driving said two xth barrel around said outlet axis, said first drive means and second drive means being arranged to deform said flexible blade, by varying the angular position of said second barrel relative to the angular position of said first barrel around said axis of output, and to vary the radial position of said display index relative to said output axis.
L'invention concerne un mouvement d'horlogerie comportant au moins un tel mécanisme d'affichage.The invention relates to a timepiece movement comprising at least one such display mechanism.
L'invention concerne une montre comportant au moins un tel mouvement, et/ou au moins un tel mécanisme d'affichage.The invention relates to a watch comprising at least one such movement, and / or at least one such display mechanism.
L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, et plus particulièrement pour des pièces d'horlogerie à complications, l'invention est utilisable aussi bien pour des pièces d'horlogerie statiques telles que pendules ou horloges, que pour des montres, en raison des petites dimensions du mécanisme selon l'invention.The invention relates to the field of clockwork display mechanisms, and more particularly for timepieces with complications, the invention can be used both for static timepieces such as pendulums or clocks, and for watches, due to the small dimensions of the mechanism according to the invention.
La bonne visualisation des organes d'affichage sur une pièce d'horlogerie est importante pour l'utilisateur.Good viewing of the display elements on a timepiece is important for the user.
Les cadrans de nombreuses pièces d'horlogerie ne sont pas circulaires, et il est intéressant de disposer de solutions permettant d'occuper toute la surface disponible, pour une visualisation meilleure encore.The dials of many timepieces are not circular, and it is advantageous to have solutions allowing to occupy all the available surface, for an even better visualization.
La conception de mécanisme d'affichage à géométrie variable permet de rompre une certaine monotonie des affichages, et de rendre l'affichage plus vivant, avec des aspects différents selon le moment de la journée, ou selon des périodes temporelles particulières. Par exemple, parmi un très grand nombre d'autres applications possibles, un affichage AM/PM peut être simplement fourni par la forme d'une aiguille, qui présente un premier aspect pendant les douze heures du matin, et un deuxième aspect pendant le reste de la journée ; on peut aussi distinguer des affichages jour/nuit, des affichages de fuseau, ou autres.The design of a variable geometry display mechanism makes it possible to break a certain monotony of the displays, and to make the display more lively, with different aspects depending on the time of the day, or according to particular time periods. For example, among a very large number of other possible applications, an AM / PM display can be simply provided by the shape of a needle, which has a first aspect during the twelve hours of the morning, and a second aspect during the rest of the day ; we can also distinguish day / night displays, time zone displays, or others.
Des aiguilles élastiques, et des mécanismes d'affichage comportant de telles aiguilles élastiques, ont été décrits dans les documents
L'invention se propose de simplifier encore un tel mécanisme et de le rendre encore plus compact et économique à produire.The invention proposes to further simplify such a mechanism and to make it even more compact and economical to produce.
A cet effet, l'invention concerne un mécanisme d'affichage d'horlogerie à géométrie variable, selon la revendication 1.To this end, the invention relates to a clockwork display mechanism with variable geometry, according to
L'invention concerne un mouvement d'horlogerie comportant au moins un tel mécanisme d'affichage.The invention relates to a timepiece movement comprising at least one such display mechanism.
L'invention concerne une montre comportant au moins un tel mouvement, et/ou au moins un tel mécanisme d'affichage.The invention relates to a watch comprising at least one such movement, and / or at least one such display mechanism.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :
- la
figure 1 représente, de façon schématisée, partielle, et en perspective, un mécanisme d'affichage selon l'invention, limité aux canons de l'aiguille élastique qui n'est pas représentée ; ce mécanisme comporte deux différentiels portés par un châssis porte-satellite mobile entre deux flasques fixes porteurs de cames d'entrée des différentiels, et l'ensemble ainsi représenté constitue un bloc additionnel adaptable sur un mouvement existant ; les deux canons de l'aiguille élastique sont ici coaxiaux autour d'une chaussée agencée pour constituer une sortie d'un tel mouvement; - la
figure 2 représente, de façon schématisée, en éclaté et en perspective, le mécanisme de lafigure 1 ; - la
figure 3 représente, de façon schématisée et en plan, le châssis mobile porte-satellite que comporte ce mécanisme ; - la
figure 4 est un schéma fonctionnel d'un différentiel tel qu'en comporte ce mécanisme ; - la
figure 5 représente, de façon schématisée et en plan, un cadran ovale devant lequel se déplace une aiguille élastique que comporte un tel mécanisme d'affichage, laquelle aiguille est représentée dans deux positions différentes : en trait plein à douze heures, et en trait interrompu à deux heures ; - la
figure 6 représente, de façon schématisée, partielle, et en perspective, un mécanisme d'affichage selon l'invention, avec l'aiguille élastique sur ses canons ; - la
figure 7 est un schéma-blocs d'une pièce d'horlogerie comportant un mouvement et un tel mécanisme d'affichage ; - la
figure 8 représente, de façon schématisée, partielle, et en perspective, un mécanisme à différentiel selon les enseignements de la demandeEP18186552 - la
figure 9 est un schéma fonctionnel d'un différentiel du mécanisme de lafigure 8 ; - la
figure 10 représente, de façon similaire à lafigure 2 , un tel mécanisme d'affichage, dont les cames sont maintenues fixes, et lafigure 11 illustre, de façon similaire à lafigure 5 , la trajectoire ovoïde associée d'un sommet de l'aiguille élastique ; - la
figure 12 représente, de façon similaire à lafigure 2 , un tel mécanisme d'affichage, dont le châssis porte-satellite d'entrée est maintenu fixe, empêchant la rotation de l'aiguille élastique autour de son axe de sortie et autorisant seulement son élongation ou sa contraction, et lafigure 13 illustre, de façon similaire à lafigure 5 , la trajectoire associée d'un sommet de l'aiguille élastique, laquelle prenant successivement des formes d'amande et de coeur ; - la
figure 14 représente, de façon similaire à lafigure 2 , un tel mécanisme d'affichage, dont les cames sont, à la demande, ou bien maintenues fixes, ou bien mises en mouvement, notamment de façon limitée ; - et la
figure 15 illustre, de façon similaire à lafigure 5 , la trajectoire associée d'un sommet de l'aiguille élastique, selon un carré aux coins arrondis quand les cames sont à l'arrêt, et selon une radiale quand les cames sont en rotation ; - la
figure 16 illustre, de façon similaire auxfigures 10, 12 , et14 , une autre variante où l'une des cames est portée par le châssis porte-satellite.
- the
figure 1 shows, schematically, partially, and in perspective, a display mechanism according to the invention, limited to the barrels of the elastic needle which is not shown; this mechanism comprises two differentials carried by a mobile planet carrier chassis between two fixed flanges carrying differential input cams, and the assembly thus represented constitutes an additional block adaptable to an existing movement; the two barrels of the elastic needle are here coaxial around a carriageway arranged to constitute an outlet for such a movement; - the
figure 2 shows, schematically, exploded and in perspective, the mechanism offigure 1 ; - the
figure 3 shows, schematically and in plan, the mobile planet carrier chassis that includes this mechanism; - the
figure 4 is a functional diagram of a differential such as this mechanism includes; - the
figure 5 represents, schematically and in plan, an oval dial in front of which moves an elastic hand which includes such a display mechanism, which hand is represented in two different positions: in solid line at twelve o'clock, and in broken line at two hours; - the
figure 6 shows, schematically, partially, and in perspective, a display mechanism according to the invention, with the elastic needle on its barrels; - the
figure 7 is a block diagram of a timepiece comprising a movement and such a display mechanism; - the
figure 8 represents, schematically, partially, and in perspective, a differential mechanism according to the teachings of the requestEP18186552 - the
figure 9 is a block diagram of a differential of the mechanism offigure 8 ; - the
figure 10 represents, similarly to thefigure 2 , such a display mechanism, the cams of which are kept fixed, and thefigure 11 illustrates, similarly to thefigure 5 , the associated ovoid trajectory of a vertex of the elastic needle; - the
figure 12 represents, similarly to thefigure 2 , such a display mechanism, the input planet carrier chassis of which is kept fixed, preventing the rotation of the elastic needle about its output axis and allowing only its elongation or its contraction, and thefigure 13 illustrates, similarly to thefigure 5 , the associated trajectory of a vertex of the elastic needle, which successively takes the shape of an almond and a heart; - the
figure 14 represents, similarly to thefigure 2 , such a display mechanism, the cams of which are, on request, either kept fixed, or else set in motion, in particular in a limited manner; - and the
figure 15 illustrates, similarly to thefigure 5 , the associated trajectory of a vertex of the elastic needle, along a square with rounded corners when the cams are stopped, and along a radial when the cams are in rotation; - the
figure 16 illustrates, similarly tofigures 10, 12 , and14 , another variant where one of the cams is carried by the planet carrier chassis.
La demande
La même demande décrit encore un deuxième cas de mécanisme d'actionnement par le biais d'un premier différentiel sur le rouage du premier canon et un second différentiel sur le rouage du second canon, et au moins une came constituant une entrée d'un tel différentiel. Dès lors, il convient de trouver et de dimensionner un engrenage planétaire (différentiel) adéquat. Les engrenages planétaires ont l'avantage de réaliser des rapports de transmission importants sous un faible encombrement. Les arbres d'entrées et de sortie sont dans le prolongement l'un de l'autre. Les possibilités de combinaison d'engrenages sont très nombreuses. Elles permettent, en particulier, de réaliser d'intéressantes boîtes à vitesses. Dans le cas présent, il s'agit de piloter une des entrées du différentiel, de manière à générer une avance et respectivement un retard d'une valeur spécifique équivalente sur chacune des extrémités de l'aiguille. Et, lorsque cette valeur est nulle, il faut obtenir un rapport de transmission de 1 (la valeur positive signifie que le sens doit également être identique).The same application also describes a second case of actuation mechanism by means of a first differential on the train of the first barrel and a second differential on the train of the second barrel, and at least one cam constituting an input of such a differential. Therefore, it is necessary to find and size an adequate planetary (differential) gear. Planetary gears have the advantage of achieving high transmission ratios in a small footprint. The input and output shafts are an extension of each other. There are many possibilities for combining gears. They allow, in particular, to make interesting gearboxes. In the present case, it involves controlling one of the inputs of the differential, so as to generate an advance and respectively a delay of an equivalent specific value on each of the ends of the needle. And, when this value is zero, a transmission ratio of 1 must be obtained (the positive value means that the direction must also be identical).
La
Ce mécanisme de la
L'invention se propose de simplifier encore le mécanisme et de le rendre encore plus compact et économique à produire. En particulier, quand il s'agit d'implanter l'aiguille élastique sur un petit calibre, tel une montre dame, et de surcroît sur l'aiguille des minutes. La difficulté principale est liée au faible couple à disposition. Il convient donc de créer un mécanisme avec la consommation d'énergie la plus faible possible.The invention proposes to further simplify the mechanism and make it even more compact and economical to produce. In particular, when it comes to implanting the elastic hand on a small caliber, such as a ladies' watch, and moreover on the minute hand. The main difficulty is linked to the low torque available. It is therefore advisable to create a mechanism with the lowest possible energy consumption.
En détournant le fonctionnement normal d'un différentiel, l'invention se propose de piloter le satellite. En implantant un palpeur dans le satellite, et en commandant ce dernier par une came ronde, nous obtenons un rapport de vitesse égal à un entre la roue solaire et le châssis porteur des satellites : l'ensemble se comporte alors comme un mobile.By diverting the normal operation of a differential, the invention proposes to control the satellite. By setting up a probe in the satellite, and by controlling the latter with a round cam, we obtain a speed ratio equal to one between the sun wheel and the chassis carrying the satellites: the assembly then behaves like a mobile.
Le remplacement de la came ronde de cet exemple par une came de forme adéquate permet de piloter désormais l'avance ou le retard que nous désirons obtenir sur le canon. Il est à noter que là encore, le mécanisme est dépourvu de ressort de rappel pour conserver le contact du palpeur sur la came, car c'est l'aiguille élastique qui permet de remplir cette fonction.The replacement of the round cam of this example by a cam of adequate shape allows to control from now on the advance or the delay which we wish to obtain on the barrel. It should be noted that here again, the mechanism does not have a return spring to maintain contact with the probe on the cam, since it is the elastic needle which makes it possible to fulfill this function.
Dans le cas d'un châssis unique portant les deux satellites du premier et du deuxième différentiel, l'un au-dessus du châssis pour le deuxième canon, et l'autre en-dessous du châssis pour le premier canon, nous obtenons un système capable de reproduire les mêmes avance et retard que le mécanisme de la demande
Les cames représentées sur la
L'invention concerne ainsi, plus particulièrement, un mécanisme d'affichage 10 d'horlogerie à géométrie variable, comportant au moins une aiguille élastique 1.The invention thus relates, more particularly, to a
Une telle aiguille élastique, et des mécanismes d'affichage comportant de telles aiguilles élastiques, ont été décrits dans les documents
Cette aiguille élastique laquelle comporte un premier canon 2 d'entraînement solidaire d'une première extrémité d'une lame flexible 3, et un deuxième canon 4 d'entraînement solidaire d'une autre extrémité de la lame flexible 3.This elastic needle which comprises a
Cette lame flexible 3 peut être une lame continue, ou encore une lame comportant une succession de segments 5 joints deux à deux au niveau de sommets 6, tel que visible sur les
Cette lame flexible 3 comporte un index d'affichage qui, dans un état libre non contraint de l'aiguille élastique 1 dans lequel à la fois le premier canon 2 et le deuxième canon 4 ne sont soumis à aucune contrainte et sont distants l'un de l'autre, est distant du premier canon 2 et du deuxième canon 4, la position de service de la aiguille élastique 1 étant une position contrainte où le premier canon 2 et le deuxième canon 4 sont coaxiaux l'un à l'autre autour d'un axe de sortie D. Notamment dans une variante comportant des segments 5 raboutés, l'index d'affichage est avantageusement, mais non nécessairement, constitué par un sommet 6.This flexible blade 3 has a display index which, in an unconstrained free state of the
Le mécanisme d'affichage 10 comporte des premiers moyens d'entraînement 11 du premier canon 2 autour de l'axe de sortie D, et des deuxièmes moyens d'entraînement 13 du deuxième canon 4 autour de l'axe de sortie D.The
Des variantes où le premier canon 2 et le deuxième canon 4 ne sont pas coaxiaux ne sont pas décrites ici, elles restent réalisables pour certains affichages spéciaux, notamment des affichages qui ne sont pas de révolution, tels des affichages rétrogrades ou similaires.Variants where the
Les premiers moyens d'entraînement 11 et les deuxièmes moyens d'entraînement 13 sont agencés pour déformer la lame flexible 3, en faisant varier la position angulaire du deuxième canon 4 par rapport à la position angulaire du premier canon 2 autour de l'axe de sortie D, et pour faire varier la position radiale de l'index d'affichage par rapport à l'axe de sortie D.The first drive means 11 and the second drive means 13 are arranged to deform the flexible blade 3, by varying the angular position of the
Selon l'invention, le mécanisme d'affichage 10 comporte un premier différentiel 912 sur le rouage d'entraînement du premier canon 2, et dont une entrée est constituée par une première came 92 ou 820, et un deuxième différentiel 914 sur le rouage d'entraînement du deuxième canon 4, et dont une entrée est constituée par une deuxième came 94 ou 810. Selon la configuration adoptée, la première came peut être une came fixe ou une came mobile, et la deuxième came peut être, de la même façon, une came fixe ou une came mobile. Les
Avantageusement, le premier différentiel 912 et le deuxième différentiel 914 comportent un châssis commun porte-satellite ou deux châssis synchrones chacun porte-satellite, porteur ou respectivement porteurs des satellites 82, 84, lesquels comportent chacun un palpeur excentré 83, 85, qui est agencé pour suivre sa came respective 92, 820, 94, 810, selon la variante.Advantageously, the
Plus particulièrement, les premiers moyens d'entraînement 11 ou les deuxièmes moyens d'entraînement 13 sont agencés pour entraîner une autre entrée d'un différentiel d'entrée, qui est une autre entrée que la came citée ci-dessus constituant une des entrées du différentiel concerné. Ce différentiel d'entrée est l'un des premier différentiel 912 et deuxième différentiel 914; par exemple sur la variante des
Cette autre entrée est constituée par un premier satellite du différentiel d'entrée. Le premier satellite est monté libre en rotation sur un châssis porte-satellite d'entrée 80 qui est lui-même monté libre en rotation autour de l'axe de sortie D. Et le pignon solaire du différentiel d'entrée est constitué, ou bien par une première denture 21 que porte le premier canon 2 quand le différentiel d'entrée est le premier différentiel 912, ou bien par une deuxième denture 41 que porte le deuxième canon 4 quand le différentiel d'entrée est le deuxième différentiel 914. Par « châssis porte-satellite » on entend un châssis apte à porter au moins un satellite, sur n'importe laquelle de ses faces.This other input is constituted by a first satellite of the input differential. The first satellite is mounted free in rotation on an input
Plus particulièrement, l'autre des premier différentiel 912 et deuxième différentiel 914 est un différentiel de sortie, dont une autre entrée est constituée par un deuxième satellite du différentiel de sortie. Ce deuxième satellite est monté libre en rotation sur le châssis porte-satellite d'entrée 80 comme sur la
Plus particulièrement, le deuxième satellite est monté libre en rotation sur le châssis porte-satellite d'entrée 80, sur la face opposée à celle qui porte le premier satellite, tel que visible sur les
Plus particulièrement, le premier différentiel 912 comporte un premier satellite 82 comportant un premier doigt excentré 83, lequel est agencé pour parcourir une première piste interne 93 de la première came 92 ou 820, notamment une came fixe, et est rappelé contre la première piste interne 93 par l'élasticité de l'aiguille élastique 1. De la même façon, le deuxième différentiel 914 comporte un deuxième satellite 84 comportant un deuxième doigt excentré 85, qui est agencé pour parcourir une deuxième piste interne 95 de la deuxième came 94 ou 810, notamment une came fixe, et qui est rappelé contre la deuxième piste interne 95 par l'élasticité de l'aiguille élastique 1. Il est avantageux d'utiliser l'élasticité de l'aiguille élastique 1 elle-même pour économiser un composant de rappel qui serait nécessaire pour assurer le plaquage de chaque palpeur sur sa piste de came.More particularly, the
On comprend que l'agencement relatif des cames 92, 820, 94, 810, peut être effectué de différentes façons :
- ou bien au moins l'une des cames est distincte du châssis commun porte-satellite ou des deux châssis synchrones porte-satellite ;
- ou bien les deux cames sont distinctes entre elles et chacune distincte du châssis commun porte-satellite ou des deux châssis synchrones porte-satellite ;
- ou bien encore au moins l'une des cames est portée par le châssis commun porte-satellite ou un des deux châssis synchrones porte-satellite.
- or at least one of the cams is distinct from the common planet carrier chassis or from the two synchronous planet carrier chassis;
- or else the two cams are distinct from each other and each distinct from the common planet carrier chassis or from the two synchronous planet carrier chassis;
- or else at least one of the cams is carried by the common planet carrier chassis or one of the two synchronous planet carrier chassis.
Dans une réalisation particulière, pour former un bloc additionnel de montage facile, la première came, 92 ou 820, notamment une came fixe, est fixée de façon indexée à la deuxième came, 94 ou 810, notamment une came fixe, avec laquelle elle forme une boîte. Cette boîte renferme le premier canon 2, le deuxième canon 4, et, interposé libre en rotation entre la première came 92 ou 820, notamment une came fixe, et la deuxième came 94 ou 810, notamment une came fixe, ou bien un châssis porte-satellite d'entrée 80 unique porteur de la totalité des mobiles du premier différentiel 912 et du deuxième différentiel 914, ou bien un châssis porte-satellite d'entrée 80 porteur de la totalité des mobiles du premier différentiel 912 et un châssis porte-satellite de sortie monté libre en rotation autour de l'axe de sortie D et synchrone avec le châssis porte-satellite d'entrée 80 et porteur de la totalité des mobiles du deuxième différentiel 914.In a particular embodiment, to form an additional block for easy mounting, the first cam, 92 or 820, in particular a fixed cam, is fixed in an indexed manner to the second cam, 94 or 810, in particular a fixed cam, with which it forms a box. This box contains the
Plus particulièrement encore, le premier satellite est saillant radialement, en référence à l'axe de sortie D et par rapport à la première came, 92 ou 820, notamment une came fixe, et à la deuxième came, 94 ou 810, notamment une came fixe,, et est agencé pour coopérer avec un anneau denté intérieurement, que comporte le mécanisme d'affichage 10, pour l'entraînement de cette au moins une aiguille élastique 1.More particularly still, the first satellite projects radially, with reference to the output axis D and with respect to the first cam, 92 or 820, in particular a fixed cam, and to the second cam, 94 or 810, in particular a cam fixed ,, and is arranged to cooperate with an internally toothed ring, which comprises the
La mise en oeuvre de l'invention permet d'obtenir une grande variété d'affichages différents, selon la cinématique imposée aux cames et au châssis porte-satellite, ou aux châssis porte-satellite quand il y en a plusieurs.The implementation of the invention makes it possible to obtain a wide variety of different displays, depending on the kinematics imposed on the cams and on the planet carrier chassis, or on the planet carrier chassis when there are several.
En effet, il est possible d'imposer une mise à l'arrêt d'une partie de ces constituants, qui peut être un arrêt permanent avec une fixation à demeure sur une platine, un pont, ou similaire, ou bien qui peut être un arrêt commandé du mobile concerné qui peut être libéré par l'utilisateur ou bien par le mouvement pour être mis en rotation, pour une durée limitée ou non, pour l'obtention passagère d'un effet d'affichage particulier.Indeed, it is possible to impose a shutdown of a part of these constituents, which can be a permanent stop with a permanent fixing on a plate, a bridge, or the like, or which can be a controlled stop of the mobile concerned which can be released by the user or by the movement to be rotated, for a limited time or not, for the temporary obtaining of a particular display effect.
Ainsi, dans une variante illustrée par la
Dans une autre variante, la première came, 92 ou 820, et la deuxième came, 94 ou 810, sont pivotantes et synchrones.In another variant, the first cam, 92 or 820, and the second cam, 94 or 810, are pivoting and synchronous.
Ainsi, dans une variante illustrée par la
Dans une autre variante encore illustrée par la
La
La
L'invention concerne encore un mouvement d'horlogerie 900 comportant au moins un tel mécanisme d'affichage 10.The invention also relates to a
L'invention concerne encore une montre 1000 comportant au moins un tel mouvement 900, et/ou au moins un tel mécanisme d'affichage 10.The invention also relates to a
En somme, l'invention permet de générer de l'avance et/ou du retard sur les deux canons de l'aiguille élastique, permettant de générer des trajectoires complexes, le tout d'une manière très simple, compacte, peu gourmande en couple et donc d'une grande fiabilité.In summary, the invention makes it possible to generate advance and / or delay on the two barrels of the elastic needle, making it possible to generate complex trajectories, the whole in a very simple, compact manner, consuming little torque and therefore very reliable.
Claims (18)
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
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JP2020545702A JP7050168B2 (en) | 2018-07-31 | 2019-07-24 | Variable timekeeping display mechanism with elastic hands |
EP19742224.9A EP3765919B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
PCT/EP2019/069949 WO2020025424A1 (en) | 2018-07-31 | 2019-07-24 | Timepiece display mechanism having a variable geometry and an elastic hand |
US17/051,617 US11886147B2 (en) | 2018-07-31 | 2019-07-24 | Variable-geometry timepiece display mechanism with resilient hand |
EP19742225.6A EP3765920B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
CN201980021634.6A CN111902779B (en) | 2018-07-31 | 2019-07-24 | Timepiece display mechanism with variable geometry and elastic hands |
CN201980021418.1A CN111902778B (en) | 2018-07-31 | 2019-07-24 | Timepiece display mechanism with variable geometry and elastic hands |
JP2020545689A JP7050167B2 (en) | 2018-07-31 | 2019-07-24 | Variable timekeeping display mechanism with elastic hands |
US16/965,766 US11860577B2 (en) | 2018-07-31 | 2019-07-24 | Variable-geometry timepiece display mechanism with resilient hand |
PCT/EP2019/069946 WO2020025423A1 (en) | 2018-07-31 | 2019-07-24 | Timepiece display mechanism having a variable geometry and an elastic hand |
US16/820,791 US11537080B2 (en) | 2018-07-31 | 2020-03-17 | Timepiece display mechanism with a resilient hand |
JP2020046222A JP6933743B2 (en) | 2018-07-31 | 2020-03-17 | Display mechanism of timekeeper with elastic hands |
CN202010233315.6A CN112213934B (en) | 2018-07-31 | 2020-03-27 | Timepiece display mechanism with elastic hands |
EP20176726.6A EP3764168B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
EP20176720.9A EP3764170B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
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EP18186552.8A EP3605243A1 (en) | 2018-07-31 | 2018-07-31 | Variable geometry timepiece display mechanism with elastic needle |
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EP3605244A1 true EP3605244A1 (en) | 2020-02-05 |
EP3605244B1 EP3605244B1 (en) | 2021-04-21 |
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EP18186552.8A Withdrawn EP3605243A1 (en) | 2018-07-31 | 2018-07-31 | Variable geometry timepiece display mechanism with elastic needle |
EP19185917.2A Active EP3605244B1 (en) | 2018-07-31 | 2019-07-12 | Timepiece display mechanism with elastic needle |
EP19742224.9A Active EP3765919B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
EP19742225.6A Active EP3765920B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
EP19744698.2A Active EP3830649B1 (en) | 2018-07-31 | 2019-07-24 | Elastic hand for timepieces |
EP20176726.6A Active EP3764168B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
EP20176720.9A Active EP3764170B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
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EP18186552.8A Withdrawn EP3605243A1 (en) | 2018-07-31 | 2018-07-31 | Variable geometry timepiece display mechanism with elastic needle |
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EP19742224.9A Active EP3765919B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
EP19742225.6A Active EP3765920B1 (en) | 2018-07-31 | 2019-07-24 | Variable geometry timepiece display mechanism with elastic needle |
EP19744698.2A Active EP3830649B1 (en) | 2018-07-31 | 2019-07-24 | Elastic hand for timepieces |
EP20176726.6A Active EP3764168B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
EP20176720.9A Active EP3764170B1 (en) | 2018-07-31 | 2020-05-27 | Timepiece display mechanism with elastic hand |
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US (6) | US11886147B2 (en) |
EP (7) | EP3605243A1 (en) |
JP (6) | JP7050167B2 (en) |
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EP3764168A1 (en) | 2018-07-31 | 2021-01-13 | Montres Breguet S.A. | Timepiece display mechanism with elastic hand |
WO2024052467A1 (en) * | 2022-09-08 | 2024-03-14 | Montres Breguet S.A. | Actuating mechanism for a flexible display hand moved by a clockwork movement |
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EP4276544A1 (en) | 2022-05-11 | 2023-11-15 | Montres Breguet S.A. | Timepiece mechanism for the activation of a flexible hand |
DE202023102554U1 (en) | 2022-05-17 | 2023-06-14 | Montres Breguet S.A. | Flexible pointer and mechanism for actuating such a pointer |
EP4300213A1 (en) | 2022-06-27 | 2024-01-03 | Montres Breguet S.A. | Mechanism for actuating a flexible display needle moved by a timepiece movement |
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WO2024052467A1 (en) * | 2022-09-08 | 2024-03-14 | Montres Breguet S.A. | Actuating mechanism for a flexible display hand moved by a clockwork movement |
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