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EP3798743A1 - Timepiece display mechanism with multi-track guiding - Google Patents

Timepiece display mechanism with multi-track guiding Download PDF

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Publication number
EP3798743A1
EP3798743A1 EP19199580.2A EP19199580A EP3798743A1 EP 3798743 A1 EP3798743 A1 EP 3798743A1 EP 19199580 A EP19199580 A EP 19199580A EP 3798743 A1 EP3798743 A1 EP 3798743A1
Authority
EP
European Patent Office
Prior art keywords
trajectory
drive
display mechanism
fork
mobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19199580.2A
Other languages
German (de)
French (fr)
Other versions
EP3798743B1 (en
Inventor
Steven DENOREAZ
Cédric Reymond
Alain Delizee
Robin Rusterholz
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.)
Blancpain SA
Original Assignee
Blancpain 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 Blancpain SA filed Critical Blancpain SA
Priority to EP19199580.2A priority Critical patent/EP3798743B1/en
Publication of EP3798743A1 publication Critical patent/EP3798743A1/en
Application granted granted Critical
Publication of EP3798743B1 publication Critical patent/EP3798743B1/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
    • 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
    • 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

Definitions

  • the invention relates to a clockwork display mechanism, comprising a first drive wheel set arranged to be driven by a clockwork movement or by a drive mechanism, said first drive wheel set comprising first drive means.
  • drives arranged to advance a traveling trolley carrying a display along at least part of a first path defined by first guide means arranged to cooperate in a complementary manner with complementary guide means that said traveling trolley comprises.
  • the invention also relates to a timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a watch comprising such a movement, and / or at least one such display mechanism.
  • the invention relates to the field of clockwork display mechanisms, and in particular complication display mechanisms, in particular for watches.
  • the display function in watchmaking is essential because it defines the appearance of the watch, personalizes it, and has a strong influence on the purchase decision.
  • Concentric disc displays are known, which are readable, at least as long as there are few time values to be displayed, for example hour and minute; the situation becomes more complicated when considering three or more separate displays, due to the readability which decreases as the number of discs increases.
  • the invention proposes to provide an original display which remains very readable, and which allows high customization, in particular due to forms or particular arrangements specific to a given watch brand, by running a very readable display along a trajectory of particular shape.
  • This trajectory can be complex, and be traversed by the display in different directions, on different portions of the total trajectory.
  • the invention relates to a clock display mechanism, according to claim 1.
  • the invention also relates to a timepiece movement comprising at least one such display mechanism.
  • the invention also relates to a watch comprising such a movement, and / or at least one such display mechanism.
  • the invention relates to a clockwork display mechanism 1, designed to produce a complex display by allowing at least one moving body to travel on a plurality of elementary tracks, together constituting end to end an overall track, which this mechanism comprises. display 1.
  • the display mechanism 1 conventionally comprises a first driving wheel 2, which is arranged to be driven by a clockwork movement or by a drive mechanism.
  • This first drive mobile 2 comprises first drive means 3, which are arranged to move a traveling trolley 4 carrying a display 5 along at least part of a first path T1 defined by first guide means. 6.
  • first guide means 6 are arranged to cooperate in a complementary manner with complementary guide means 7 which the traveling trolley 4.
  • complementary guide means 7 can be constituted by a suitably shaped end of a shaft 41 which the traveling trolley 4 comprises, or, as visible on the figure. figure 2 , by guide rollers 42, 43, mounted to rotate freely on this sliding carriage 4, or the like.
  • This walking trolley 4 is designed to drive or to carry a display 5. In the non-limiting variant illustrated by the figures, the walking trolley 4 directly carries such a display 5.
  • the display mechanism 1 comprises at least one second drive wheel 20, which is arranged to be driven by the first drive wheel 2, or by a clockwork movement or by a drive mechanism.
  • this second drive mobile 20 comprises second drive means 30, which are arranged to move a traveling carriage, and in particular the traveling carriage 4, according to at least part of it. 'a second trajectory T2 defined by second guide means 60.
  • These second guide means 60 are arranged to cooperate in a complementary manner with complementary guide means of a traveling carriage, and in particular with the complementary guide means 7 of the traveling carriage 4.
  • the second trajectory T2 is secant or tangent at at least one point with the first trajectory T1.
  • the figures illustrate an application where the traveling trolley 4 travels successively over all or part of the first trajectory T1, and over all or part of the second trajectory T2.
  • the first drive means 3, and the second drive means 30, each comprise at least one resilient blade 31, respectively 310, which is arranged to hold a shaft 41 which is included in the traveling carriage 4, without play, when the traveling carriage 4 travels on only one of the first trajectory T1 and second trajectory T2.
  • This at least one blade elastic 31, 310 is also arranged to allow the release of this shaft 41, for a transfer of the traveling trolley 4 from the first path T1 to the second path T2, or vice versa, at a junction zone T0 constituting the interface between the first trajectory T1 and the second trajectory T2.
  • the figures 1 to 4 illustrate, in a nonlimiting manner, an example in which such a traveling trolley 4 is driven along a predefined trajectory in the shape of an eight: this eight constitutes the overall track, which results from the juxtaposition in external tangency, at the junction zone T0, of a first substantially circular track T1, which comprises the first guide means 6, and of a second substantially circular track T2, which comprises the second guide means 60.
  • These first guide means 6 and second guide means 60 may in particular include at least one guide groove machined in a plate 900 or a bridge, as visible in the figures or at least one projecting rail, integrated or attached to this plate or this bridge, or even a combination of such rails and / or grooves.
  • the first drive means 3, and / or the second drive means 30, comprise a fork comprising at least one elastic blade 31, 310.
  • the fork illustrated by the figures comprises a first lip 32 and a second lip 33 integral with the drive mobile 2, 20, concerned, and between which extends an elastic blade 31, 310, separated from the lips by cutouts 34, 35; this elastic blade 31, 310, may be integral with the drive mobile 2 as in the figures, or be attached, such as a leaf spring fixed in cantilever on the drive mobile 2, 20.
  • One of the lips 32, 33 comprises a first bearing spout 37, arranged to clamp the shaft 41 of the traveling trolley 4 like a pliers, in cooperation with a second bearing spout 36 which the elastic blade 31, 310 comprises. at its distal end.
  • the bearing lip of the first bearing spout 37 advantageously comprises at least one boss 38, arranged to limit the angular travel of the elastic blade 31, 310.
  • the elasticity of the elastic blade 31, 310 is sufficient to allow angular travel. allowing the shaft 41 to escape this fork, when it arrives in the junction zone T0, and when it is transferred to an antagonistic fork.
  • the mechanism in fact comprises two such forks with elastic blades, rotating in the opposite direction, one fixed to the first drive mobile. 2, the other to the second drive mobile 20.
  • the shaft 41 of the sliding carriage 4 is gripped by one of the forks during its travel on one of the paths T1, T2, and is pressed against the outside of the guide groove. corresponding, thanks to the vee shape of the fork, and is driven by the latter.
  • the two forks are synchronized so as to be superimposed at the level of the junction zone T0, when the traveling trolley 4 has finished its travel on one of the trajectories, here a rotation according to a circle, and returns to the junction zone T0 between the first trajectory T1 to the second trajectory T2, for example at the center of the movement as illustrated.
  • the shaft 41 of the traveling trolley 4 is transferred from one fork to another, thanks to a transfer mechanism with a slide system which will be exposed later, and can then be driven by the second fork for its race on the second trajectory T2, here a turn of a second circle.
  • the figure 3 shows the mechanism just after the transfer, when the fork of the second drive mobile 20 clamps the shaft 41 of the traveling carriage 4, with the fork of the first drive mobile 2 which is empty and has just released this shaft 41; we see on this figure 3 , on the traveling carriage 4, a slide 8 which is movable substantially in the direction of tangency, in a junction zone T0, between the first trajectory T1 and the second trajectory T2, and which comprises a cam track 9 intended to guide the additional guide means 7 included in the traveling trolley 4, for its change of track and for allowing it to travel on the new trajectory.
  • the figure 4 illustrates the reverse synchronization of the first drive wheel 2, carried by a first drive wheel 39, and the second drive wheel 20, carried by a second drive wheel 390, through a reverse gear train 300.
  • this gear can be arranged with an adequate reduction in order to manage the cooperation of different trajectories T1 and T2, for example with an overall eight-way trajectory resulting from the cooperation of a small circle with a larger circle.
  • This mechanism thus authorizes the drive of a transmissible element, here the traveling trolley 4, it allows the transfer of this element, and ensures the stability of this traveling trolley 4.
  • the invention also relates to a mechanism 100 for positioning and guiding the positioning and adjustment of a mobile timepiece component 8 in a reciprocating movement along a limited stroke, along a path imposed by means. guide, relative to a fixed structure 200 of a timepiece, such as a plate 900, a bridge, or the like.
  • This positioning and guiding mechanism 100 is advantageously combined with such a display mechanism 1, and in particular constitutes a transfer mechanism for changing the track of the traveling trolley 4.
  • the positioning and guiding mechanism 100 comprises a first roller 101, which is fixed indirectly to the structure 200, with limited mobility with respect to the structure 200, and which is arranged to roll on a rolling track 80 that the component comprises. 8.
  • This rolling track 80 comprises at least a first re-entrant or protruding relief 81, which is arranged to define with the first roller 101 a first mechanical limit switch.
  • the positioning and guiding mechanism 100 further comprises at least one second roller 102, which is indirectly fixed to the structure 200 with limited mobility with respect to the structure 200 and which is arranged to roll on a rolling track 80 that the component 8 comprises, which rolling track 80 comprises at least one second relief 82 re-entering or projecting arranged to define with the second roller 102 a second mechanical limit switch.
  • the first roller 101 and the second roller 102 roll on a common rolling track 80.
  • first roller 101 and the second roller 102 roll on separate tracks 80.
  • the travel of the first roller 101 and that of the second roller 102 are adjustable independently with respect to the structure 200.
  • first roller 101 and / or the second roller 102 is subjected to the action of elastic return means 201, 202, tending to bring it to bear on the rolling track 80.
  • first roller 101 and the second roller 102 are subjected to elastic return means 201, 202, which tend to exert on component 8 torques in opposite directions.
  • Component 8 advantageously comprises at least one notch 81, 82, arranged to block a roller 101, 102, at the end of travel, in order to precisely position this component 8 in the end of travel position.
  • the first roller 101 and / or the second roller 102 is carried by a rocker 105, 106, which is adjustable by an eccentric 111, 112, relative to the structure 200, as visible on the figures. figures 5 and 9 .
  • the rocker 105 or 106 is held in place by an intermediate plate 103, 104, which covers it. It is thus easy to very precisely adjust the end-of-travel position of the mobile 8.
  • the end 107, 108, of the rocker 105, 106, opposite the first roller 101, respectively second roller 102 comprises a bearing boss d 'at least one spring constituting the elastic return means 201, 202.
  • component 8 is a slide comprising a rack 83 for its drive.
  • component 8 is guided in a plane movement, on a side opposite to the rolling track 80 by at least one guide and support surface 89.
  • the travel of the mobile 8 is rectilinear.
  • the slide 8 comprises, on either side, two notches 81, 82, or notches, made in the form of a vee.
  • a rocker 105, 106 guided on an eccentric 111, 112, and provided with a first roller 101, respectively second roller 102, free and pivoting.
  • the first roller 101 and the second roller 102 of the levers 105, 106 roll on a smooth surface 80 of the slide 8, in order to reduce the necessary torque take-up, and at the end of the stroke, the first roller 101 or the second roller 102 of the rocker concerned 105 or 106 falls into the vee-shaped notch 81 or 82 of the slide 8, positioning the latter precisely.
  • the position of the rocker 105, 106 can be adjusted by its pivoting on the eccentric 111, 112, by placing a screwdriver in the notch of the latter. In this way, the positioning of the slide 8 at the end of the stroke is adjustable from one room to another.
  • This positioning and guiding mechanism 100 thus ensures precise positioning of a mobile component, allows fine adjustment of the positioning, piece by piece, in the two start and end positions, finally the torque taking is reduced thanks to the swivel rollers.
  • the second trajectory T2 is secant or tangent at at least one point with the first trajectory T1.
  • the display mechanism 1 comprises a slide 8, which is movable in a housing 90 of the plate or the like, this housing 90 is a straight groove in the figures.
  • This slide 8 is driven by the first drive wheel 2 or / and by the second drive wheel 20, or by a clockwork movement 1000 or by a drive mechanism 800, as visible on the figures.
  • figures 11 to 13 and comprises at least one transfer guide means 9 arranged to guide, at at least one point of tangency, the traveling carriage 4 to pass from the first trajectory T1 to the second trajectory T2 or vice versa.
  • This transfer guide means 9 is more particularly produced in the form of a cam track, the figures 10 and 11 show that this cam track comprises a first channel 91 for making the traveling carriage 4 pass from the trajectory T1 to the trajectory T2, and a second channel 92 to perform the reverse maneuver.
  • the slide 8 thus moves, to make it possible to change the trajectory of the traveling trolley 4, as can be seen on the figure. figure 10 .
  • a second drive wheel 390 of the second drive wheel 20 rotates and transmits its rotation, in particular to a gear wheel unit 52, to rotate a second transfer wheel 209, assembled with a second cam 53 ..
  • a rocker is constituted by a pivoting rake 55, provided with two feelers 56 and 57, and which is driven, on one side by the second cam 53, and which drives, by a toothed sector 59 which it comprises, the pinion 87 of a mobile driving device 88 which allows the displacement of the slide 8 by means of a rack 83, and on the other side by a first cam 54, integral with a first transfer wheel 29, and of complementary shape to the second cam 53, thus leaving a clearance of a few hundredths of a millimeter of freedom to the rake 55.
  • the first transfer wheel 29 is driven in the same direction as the second transfer wheel 209 via a synchronization wheel 51.
  • the slope of the second cam 53 drives the rake 55
  • the first cam 54 makes it possible to limit the movement of the rake 55
  • the second cam 53 then serving, in turn, to limit the movement of the rake 55.
  • the second cam 53 could also be integral with another mobile than the second drive wheel 390 of the second drive mobile 20, and the first cam 54 integral with a mobile other than the synchronization wheel 51.
  • This synchronization wheel 51 can be one of the moving parts of the reverse gear train 300, to save volume in the movement 1000.
  • This system allows the change of trajectory or the change of display of an element, without rotation, in a linear manner.
  • the invention also relates to a timepiece movement 1000 comprising at least one such mechanism 100 for positioning and guiding positioning and adjustment, and / or at least one such display mechanism 1.
  • the invention also relates to a timepiece, in particular a watch 2000, comprising such a movement 1000 and / or at least one such mechanism 100 for positioning and guiding the positioning and adjustment, and / or at least one such mechanism.
  • a timepiece in particular a watch 2000, comprising such a movement 1000 and / or at least one such mechanism 100 for positioning and guiding the positioning and adjustment, and / or at least one such mechanism.
  • display 1 for positioning and guiding the positioning and adjustment, and / or at least one such mechanism.
  • the invention takes up little space, and makes it possible to integrate quite easily into a watch, even of small dimensions such as a lady's watch, a spectacular and innovative display complication, based on a very fine mechanism. by being designed for optimum take-up of operating clearances.

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

Abstract

Mécanisme d'affichage (1) d'horlogerie, comportant des mobiles d'entraînement (2 ; 20) comportant des moyens d'entraînement (3 ; 30) entraînant sur des moyens de guidage (6 ; 60) un chariot baladeur (4) avec afficheur (5), comportant des moyens de guidage complémentaire (7), selon des trajectoires T1 et T2 tangentes entre elles, le mécanisme d'affichage (1) comporte sur chaque mobile d'entraînement (2 ; 20) une fourchette à lames élastique (31 ; 310) faisant pince agencée pour le maintien ou la libération pour son transfert d'un arbre (41) que comporte le chariot baladeur (4).

Figure imgaf001
Clockwork display mechanism (1), comprising drive wheels (2; 20) comprising drive means (3; 30) driving on guide means (6; 60) a sliding carriage (4) with display (5), comprising complementary guide means (7), along trajectories T1 and T2 tangent to each other, the display mechanism (1) comprises on each drive mobile (2; 20) a blade fork elastic (31; 310) forming a gripper arranged for the maintenance or the release for its transfer from a shaft (41) which the traveling carriage (4) comprises.
Figure imgaf001

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme d'affichage d'horlogerie, comportant un premier mobile d'entraînement agencé pour être entraîné par un mouvement d'horlogerie ou par un mécanisme d'entraînement, ledit premier mobile d'entraînement comportant des premiers moyens d'entraînement agencés pour faire avancer un chariot baladeur porteur d'un afficheur selon au moins une partie d'une première trajectoire définie par des premiers moyens de guidage agencés pour coopérer de façon complémentaire avec des moyens de guidage complémentaire que comporte ledit chariot baladeur.The invention relates to a clockwork display mechanism, comprising a first drive wheel set arranged to be driven by a clockwork movement or by a drive mechanism, said first drive wheel set comprising first drive means. drives arranged to advance a traveling trolley carrying a display along at least part of a first path defined by first guide means arranged to cooperate in a complementary manner with complementary guide means that said traveling trolley comprises.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mécanisme d'affichage.The invention also relates to a timepiece movement comprising at least one such display mechanism.

L'invention concerne encore une montre comportant un tel mouvement, et/ou au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising such a movement, and / or at least one such display mechanism.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, et en particulier des mécanismes d'affichage à complication, en particulier pour des montres.The invention relates to the field of clockwork display mechanisms, and in particular complication display mechanisms, in particular for watches.

Arrière-plan de l'inventionBackground of the invention

La fonction d'affichage dans l'horlogerie est primordiale, car elle définit la physionomie de la montre, la personnalise, et influe fortement sur la décision d'achat.The display function in watchmaking is essential because it defines the appearance of the watch, personalizes it, and has a strong influence on the purchase decision.

Il est difficile de créer des affichages innovants qui soient en même temps très lisibles, ce qui est la condition indispensable.It is difficult to create innovative displays which are at the same time very readable, which is the prerequisite.

On connaît des affichages à disques concentriques, qui sont lisibles, du moins tant qu'il y a peu de valeurs temporelles à afficher, par exemple heure et minute; la situation se complique dans le cas où l'on envisage trois affichages distincts ou davantage, en raison de la lisibilité qui se réduit quand le nombre de disques augmente.Concentric disc displays are known, which are readable, at least as long as there are few time values to be displayed, for example hour and minute; the situation becomes more complicated when considering three or more separate displays, due to the readability which decreases as the number of discs increases.

D'autres affichages nécessitent une lecture convergente de plusieurs indicateurs côte à côte, et certains nécessitent un effort intellectuel notable, qui relègue l'affichage au rang d'une curiosité sans véritable utilité pratique.Other displays require a convergent reading of several indicators side by side, and some require a notable intellectual effort, which relegates the display to the rank of a curiosity without any real practical utility.

Résumé de l'inventionSummary of the invention

L'invention se propose de fournir un affichage original qui reste très lisible, et qui autorise une personnalisation élevée, notamment en raison de formes ou de dispositions particulières propres à une marque horlogère donnée, en faisant cheminer un afficheur très lisible le long d'une trajectoire de forme particulière. Cette trajectoire peut être complexe, et être parcourue par l'afficheur dans des sens différents, sur différentes portions de la trajectoire totale.The invention proposes to provide an original display which remains very readable, and which allows high customization, in particular due to forms or particular arrangements specific to a given watch brand, by running a very readable display along a trajectory of particular shape. This trajectory can be complex, and be traversed by the display in different directions, on different portions of the total trajectory.

A cet effet, l'invention concerne un mécanisme d'affichage d'horlogerie, selon la revendication 1.To this end, the invention relates to a clock display mechanism, according to claim 1.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mécanisme d'affichage.The invention also relates to a timepiece movement comprising at least one such display mechanism.

L'invention concerne encore une montre comportant un tel mouvement, et/ou au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising such a movement, and / or at least one such display mechanism.

Description sommaire des dessinsBrief description of the drawings

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, et en perspective, une platine de pièce d'horlogerie, notamment de montre, portant une partie du mécanisme d'affichage selon l'invention ; deux mobiles d'entraînement, ici extérieurs l'un à l'autre, et qui tournent en sens contraire, comportent chacun des moyens d'entraînement d'un chariot baladeur porteur d'un afficheur ; ces moyens d'entraînement comportent plus particulièrement une fourchette à lame élastique, qui est agencée pour pincer un arbre du chariot baladeur, et entraîner ce dernier le long de moyens de guidage sur une partie d'une trajectoire particulière, et pour libérer cet arbre dans une zone de jonction où se présente la fourchette d'un autre mobile d'entraînement, pour la reprise de cet arbre, avant son entraînement selon une autre trajectoire ; dans cette variante, chaque trajectoire élémentaire est sensiblement circulaire, et le chariot baladeur est agencé pour parcourir une trajectoire globale en forme de huit ;
  • la figure 2 représente, de façon schématisée, et en perspective, un détail du mécanisme de la figure 1, avec une fourchette en position d'entraînement du chariot baladeur lequel comporte deux galets de guidage ; l'afficheur est, dans cet exemple non limitatif, une gemme très visible, en coloris et/ou en brillance, destinée à évoluer en contraste visuel sur un fond d'aspect complètement différent ;
  • la figure 3 représente, de façon schématisée, et en perspective, un autre détail du mécanisme de la figure 1, avec en partie gauche de la figure une fourchette en position de réception du chariot baladeur, lequel vient d'être libéré par la fourchette de l'autre mobile d'entraînement visible en partie droite de la figure ; le chariot baladeur est ici guidé par ses galets de guidage dans une came d'un coulisseau, que comporte un mécanisme de transfert pour le changement de piste du chariot baladeur d'un mobile d'entraînement à l'autre, et qui assure le transfert d'une fourchette à l'autre ;
  • la figure 4 représente, de façon schématisée, et en perspective, un exemple de rouage que comporte le mécanisme de la figure 1, qui comporte un rouage inverseur ;
  • la figure 5 représente, de façon schématisée et en plan, un mécanisme de positionnement et de guidage de positionnement et réglage d'un mobile, notamment du coulisseau de la figure 3, lequel est mobile dans un mouvement de va-et-vient selon une course limitée, le long d'une trajectoire imposée par des moyens de guidage, par rapport à la platine ; notamment ce mécanisme, quand il est combiné avec le mécanisme d'affichage de la figure 1, constitue un mécanisme de transfert pour le changement de piste de son chariot baladeur ; ce mécanisme de positionnement et de guidage comporte deux bascules, réglables par excentrique, rappelées par des ressorts et porteuses de galets qui parcourent une piste de roulement et peuvent occuper des positions de fin de course très précises dans des encoches ;
  • les figures 6 et 7 représentent, de façon schématisée, et en perspective, de façon éclatée puis assemblée, une telle bascule avec son ressort de rappel ;
  • la figure 8 représente, de façon schématisée, et en perspective, la coopération du coulisseau mobile avec l'une des bascules à galet ;
  • la figure 9 représente, de façon schématisée et en plan, un détail de la figure 5, avec le coulisseau immobilisé dans une position de fin de course ;
  • la figure 10 représente, de façon schématisée et en plan, en deux vues, la translation du coulisseau d'une position de fin de course à l'autre, dans une rainure de guidage que comporte la platine ;
  • les figures 11 à 13 illustrent le mécanisme d'entraînement de ce coulisseau mobile :
  • la figure 11 représente, de façon schématisée et en plan, ce mécanisme qui distribue le couple transmis par une roue d'entrée vers deux roues distributrices tournant dans le même sens, porteuse chacune d'une came, sur laquelle prend appui un bras d'une même bascule pourvue d'un râteau qui entraîne un pignon d'un mobile qui engrène avec une crémaillère du coulisseau ;
  • la figure 12 est un détail du mécanisme de la figure 11, vu en transparence depuis l'autre côté de la platine ;
  • la figure 13 représente, de façon schématisée, et en perspective, le mécanisme de la figure 11 ;
  • la figure 14 est un schéma-blocs représentant une pièce d'horlogerie, notamment une montre, comportant un mouvement d'horlogerie et l'ensemble des mécanismes illustrés ci-dessus.
Other characteristics and advantages of the invention will become apparent on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically, and in perspective, a plate of a timepiece, in particular a watch, carrying part of the display mechanism according to the invention; two drive wheels, here external to each other, and which turn in the opposite direction, each comprise means for driving a traveling carriage carrying a display; these drive means more particularly comprise a fork with an elastic blade, which is arranged to clamp a shaft of the traveling carriage, and to drive the latter along guide means on a part of a particular path, and to release this shaft in a junction zone where the fork of another driving wheel set is present, for the recovery of this shaft, before it is driven along another path; in this variant, each elementary trajectory is substantially circular, and the traveling trolley is arranged to travel an overall trajectory in the form of an eight;
  • the figure 2 represents, schematically, and in perspective, a detail of the mechanism of the figure 1 , with a fork in the carriage drive position walkman which comprises two guide rollers; the display is, in this non-limiting example, a very visible gem, in color and / or in brightness, intended to evolve in visual contrast on a background of completely different appearance;
  • the figure 3 represents, schematically, and in perspective, another detail of the mechanism of the figure 1 , with in the left part of the figure a fork in the receiving position of the traveling trolley, which has just been released by the fork of the other drive mobile visible in the right part of the figure; the traveling trolley is here guided by its guide rollers in a cam of a slide, which includes a transfer mechanism for changing the track of the traveling trolley from one drive mobile to another, and which ensures the transfer from one fork to another;
  • the figure 4 represents, schematically, and in perspective, an example of a cog in the mechanism of the figure 1 , which has a reverse gear;
  • the figure 5 shows, schematically and in plan, a positioning mechanism and positioning and adjustment guide of a mobile, in particular of the slide of the figure 3 , which is movable in a reciprocating movement along a limited stroke, along a path imposed by guide means, relative to the plate; especially this mechanism, when combined with the display mechanism of the figure 1 , constitutes a transfer mechanism for changing the track of its walking trolley; this positioning and guiding mechanism comprises two rockers, adjustable by eccentric, recalled by springs and bearing rollers which traverse a rolling track and can occupy very precise end-of-travel positions in notches;
  • the figures 6 and 7 represent, schematically, and in perspective, exploded and then assembled, such a lever with its return spring;
  • the figure 8 represents, schematically, and in perspective, the cooperation of the movable slide with one of the roller levers;
  • the figure 9 represents, schematically and in plan, a detail of the figure 5 , with the slide immobilized in an end-of-travel position;
  • the figure 10 shows, schematically and in plan, in two views, the translation of the slide from one end-of-travel position to the other, in a guide groove in the plate;
  • the figures 11 to 13 illustrate the drive mechanism of this movable slide:
  • the figure 11 represents, schematically and in plan, this mechanism which distributes the torque transmitted by an input wheel to two distributor wheels rotating in the same direction, each carrying a cam, on which rests an arm of the same rocker provided with a rake which drives a pinion of a mobile which meshes with a rack of the slide;
  • the figure 12 is a detail of the mechanism of the figure 11 , seen in transparency from the other side of the plate;
  • the figure 13 represents, schematically, and in perspective, the mechanism of figure 11 ;
  • the figure 14 is a block diagram representing a timepiece, in particular a watch, comprising a timepiece movement and all of the mechanisms illustrated above.

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

L'invention concerne un mécanisme d'affichage 1 d'horlogerie, agencé pour réaliser un affichage complexe en autorisant le cheminement d'au moins un mobile sur une pluralité de pistes élémentaires, constituant ensemble bout à bout une piste globale, que comporte ce mécanisme d'affichage 1.The invention relates to a clockwork display mechanism 1, designed to produce a complex display by allowing at least one moving body to travel on a plurality of elementary tracks, together constituting end to end an overall track, which this mechanism comprises. display 1.

Le mécanisme d'affichage 1 comporte classiquement un premier mobile d'entraînement 2, qui est agencé pour être entraîné par un mouvement d'horlogerie ou par un mécanisme d'entraînement.The display mechanism 1 conventionally comprises a first driving wheel 2, which is arranged to be driven by a clockwork movement or by a drive mechanism.

Ce premier mobile d'entraînement 2 comporte des premiers moyens d'entraînement 3, qui sont agencés pour faire avancer un chariot baladeur 4 porteur d'un afficheur 5 selon au moins une partie d'une première trajectoire T1 définie par des premiers moyens de guidage 6.This first drive mobile 2 comprises first drive means 3, which are arranged to move a traveling trolley 4 carrying a display 5 along at least part of a first path T1 defined by first guide means. 6.

Ces premiers moyens de guidage 6 sont agencés pour coopérer de façon complémentaire avec des moyens de guidage complémentaire 7 que comporte le chariot baladeur 4. Ces moyens de guidage complémentaire 7 peuvent être constitués par une extrémité de forme adéquate d'un arbre 41 que comporte le chariot baladeur 4, ou, tel que visible sur la figure 2, par des galets de guidage 42, 43, montés libres en rotation sur ce chariot baladeur 4, ou autre.These first guide means 6 are arranged to cooperate in a complementary manner with complementary guide means 7 which the traveling trolley 4. These complementary guide means 7 can be constituted by a suitably shaped end of a shaft 41 which the traveling trolley 4 comprises, or, as visible on the figure. figure 2 , by guide rollers 42, 43, mounted to rotate freely on this sliding carriage 4, or the like.

Ce chariot baladeur 4 est agencé pour entraîner ou pour porter un afficheur 5. Sur la variante non limitative illustrée par les figures, le chariot baladeur 4 porte directement un tel afficheur 5.This walking trolley 4 is designed to drive or to carry a display 5. In the non-limiting variant illustrated by the figures, the walking trolley 4 directly carries such a display 5.

Selon une caractéristique de l'invention, le mécanisme d'affichage 1 comporte au moins un deuxième mobile d'entraînement 20, qui est agencé pour être entraîné par le premier mobile d'entraînement 2, ou par un mouvement d'horlogerie ou par un mécanisme d'entraînement.According to one characteristic of the invention, the display mechanism 1 comprises at least one second drive wheel 20, which is arranged to be driven by the first drive wheel 2, or by a clockwork movement or by a drive mechanism.

De façon similaire au premier mobile d'entraînement 2, ce deuxième mobile d'entraînement 20 comporte des deuxièmes moyens d'entraînement 30, qui sont agencés pour faire avancer un chariot baladeur, et notamment le chariot baladeur 4, selon au moins une partie d'une deuxième trajectoire T2 définie par des deuxièmes moyens de guidage 60.Similarly to the first drive mobile 2, this second drive mobile 20 comprises second drive means 30, which are arranged to move a traveling carriage, and in particular the traveling carriage 4, according to at least part of it. 'a second trajectory T2 defined by second guide means 60.

Ces deuxièmes moyens de guidage 60 sont agencés pour coopérer de façon complémentaire avec des moyens de guidage complémentaire d'un chariot baladeur, et notamment avec les moyens de guidage complémentaire 7 du chariot baladeur 4.These second guide means 60 are arranged to cooperate in a complementary manner with complementary guide means of a traveling carriage, and in particular with the complementary guide means 7 of the traveling carriage 4.

De façon avantageuse, la deuxième trajectoire T2 est sécante ou tangente en au moins un point avec la première trajectoire T1.Advantageously, the second trajectory T2 is secant or tangent at at least one point with the first trajectory T1.

Les figures illustrent une application où le chariot baladeur 4 circule successivement sur tout ou partie de la première trajectoire T1, et sur tout ou partie la deuxième trajectoire T2. Naturellement il est possible de juxtaposer un nombre supérieur de trajectoires, pour faire circuler l'afficheur 5 selon une courbe complexe, selon les principes décrits ci-après.The figures illustrate an application where the traveling trolley 4 travels successively over all or part of the first trajectory T1, and over all or part of the second trajectory T2. Of course, it is possible to juxtapose a greater number of trajectories, in order to make the display 5 circulate according to a complex curve, according to the principles described below.

Les premiers moyens d'entraînement 3, et les deuxièmes moyens d'entraînement 30, comportent chacun au moins une lame élastique 31, respectivement 310, qui est agencée pour maintenir sans jeu un arbre 41 que comporte le chariot baladeur 4, quand le chariot baladeur 4 circule sur une seule des première trajectoire T1 et deuxième trajectoire T2. Cette au moins une lame élastique 31, 310, est encore agencée pour autoriser la libération de cet arbre 41, pour un transfert du chariot baladeur 4 de la première trajectoire T1 à la deuxième trajectoire T2, ou vice-versa, au niveau d'une zone de jonction T0 constituant l'interface entre la première trajectoire T1 et la deuxième trajectoire T2.The first drive means 3, and the second drive means 30, each comprise at least one resilient blade 31, respectively 310, which is arranged to hold a shaft 41 which is included in the traveling carriage 4, without play, when the traveling carriage 4 travels on only one of the first trajectory T1 and second trajectory T2. This at least one blade elastic 31, 310, is also arranged to allow the release of this shaft 41, for a transfer of the traveling trolley 4 from the first path T1 to the second path T2, or vice versa, at a junction zone T0 constituting the interface between the first trajectory T1 and the second trajectory T2.

Les figures 1 à 4 illustrent, de façon non limitative, un exemple dans lequel un tel chariot baladeur 4 est entraîné selon une trajectoire prédéfinie en forme de huit : ce huit constitue la piste globale, qui résulte de la juxtaposition en tangence externe, au niveau de la zone de jonction T0, d'une première piste T1 sensiblement circulaire, qui comporte les premiers moyens de guidage 6, et d'une deuxième piste T2 sensiblement circulaire, qui comporte les deuxièmes moyens de guidage 60. Ces premiers moyens de guidage 6 et deuxièmes moyens de guidage 60 peuvent notamment comporter au moins une rainure de guidage usinée dans une platine 900 ou un pont, tel que visible sur les figures ou au moins un rail saillant, intégré ou rapporté sur cette platine ou ce pont, ou encore une combinaison de tels rails et/ou rainures.The figures 1 to 4 illustrate, in a nonlimiting manner, an example in which such a traveling trolley 4 is driven along a predefined trajectory in the shape of an eight: this eight constitutes the overall track, which results from the juxtaposition in external tangency, at the junction zone T0, of a first substantially circular track T1, which comprises the first guide means 6, and of a second substantially circular track T2, which comprises the second guide means 60. These first guide means 6 and second guide means 60 may in particular include at least one guide groove machined in a plate 900 or a bridge, as visible in the figures or at least one projecting rail, integrated or attached to this plate or this bridge, or even a combination of such rails and / or grooves.

Plus particulièrement, les premiers moyens d'entraînement 3, et/ou les deuxièmes moyens d'entraînement 30, comportent une fourchette comportant au moins une lame élastique 31, 310. La fourchette illustrée par les figures comporte une première lèvre 32 et une deuxième lèvre 33 solidaires du mobile d'entraînement 2, 20, concerné, et entre lesquelles s'étend une lame élastique 31, 310, séparée des lèvres par des découpes 34, 35 ; cette lame élastique 31, 310, peut être solidaire du mobile d'entraînement 2 comme sur les figures, ou être rapportée, tel un ressort-lame fixé en porte-à-faux sur le mobile d'entraînement 2, 20. Une des lèvres 32, 33, comporte un premier bec d'appui 37, agencé pour serrer à la façon d'une pince l'arbre 41 du chariot baladeur 4, en coopération avec un deuxième bec d'appui 36 que comporte la lame élastique 31, 310 à son extrémité distale. La lèvre porteuse du premier bec d'appui 37 comporte avantageusement au moins un bossage 38, agencé pour limiter la course angulaire de la lame élastique 31, 310. L'élasticité de la lame élastique 31, 310, est suffisante pour autoriser une course angulaire permettant à l'arbre 41 d'échapper à cette fourchette, lors de son arrivée dans la zone de jonction T0, et de son transfert vers une fourchette antagoniste.More particularly, the first drive means 3, and / or the second drive means 30, comprise a fork comprising at least one elastic blade 31, 310. The fork illustrated by the figures comprises a first lip 32 and a second lip 33 integral with the drive mobile 2, 20, concerned, and between which extends an elastic blade 31, 310, separated from the lips by cutouts 34, 35; this elastic blade 31, 310, may be integral with the drive mobile 2 as in the figures, or be attached, such as a leaf spring fixed in cantilever on the drive mobile 2, 20. One of the lips 32, 33, comprises a first bearing spout 37, arranged to clamp the shaft 41 of the traveling trolley 4 like a pliers, in cooperation with a second bearing spout 36 which the elastic blade 31, 310 comprises. at its distal end. The bearing lip of the first bearing spout 37 advantageously comprises at least one boss 38, arranged to limit the angular travel of the elastic blade 31, 310. The elasticity of the elastic blade 31, 310, is sufficient to allow angular travel. allowing the shaft 41 to escape this fork, when it arrives in the junction zone T0, and when it is transferred to an antagonistic fork.

Ici le mécanisme comporte en effet deux telles fourchettes à lames élastiques, tournant en sens opposé, l'une fixée au premier mobile d'entraînement 2, l'autre au deuxième mobile d'entraînement 20. L'arbre 41 du chariot baladeur 4 est pincé par une des fourchettes pendant sa course sur une des trajectoires T1, T2, et est plaqué sur l'extérieur de la rainure de guidage correspondante, grâce à la forme de vé de la fourchette, et est entraîné par cette dernière. Les deux fourchettes sont synchronisées de manière à se superposer au niveau de la zone de jonction T0, lorsque le chariot baladeur 4 a terminé sa course sur une des trajectoires, ici une rotation selon un cercle, et revient sur la zone de jonction T0 entre la première trajectoire T1 à la deuxième trajectoire T2, par exemple au centre du mouvement comme illustré. A ce moment précis, l'arbre 41 du chariot baladeur 4 est transféré d'une fourchette à une autre, grâce à un mécanisme de transfert avec système de coulisseau qui sera exposé plus loin, et peut alors être entraîné par la seconde fourchette pour sa course sur la deuxième trajectoire T2, ici un tour d'un second cercle.Here the mechanism in fact comprises two such forks with elastic blades, rotating in the opposite direction, one fixed to the first drive mobile. 2, the other to the second drive mobile 20. The shaft 41 of the sliding carriage 4 is gripped by one of the forks during its travel on one of the paths T1, T2, and is pressed against the outside of the guide groove. corresponding, thanks to the vee shape of the fork, and is driven by the latter. The two forks are synchronized so as to be superimposed at the level of the junction zone T0, when the traveling trolley 4 has finished its travel on one of the trajectories, here a rotation according to a circle, and returns to the junction zone T0 between the first trajectory T1 to the second trajectory T2, for example at the center of the movement as illustrated. At this precise moment, the shaft 41 of the traveling trolley 4 is transferred from one fork to another, thanks to a transfer mechanism with a slide system which will be exposed later, and can then be driven by the second fork for its race on the second trajectory T2, here a turn of a second circle.

La figure 3 montre le mécanisme juste après le transfert, quand la fourchette du deuxième mobile d'entraînement 20 serre l'arbre 41 du chariot baladeur 4, avec la fourchette du premier mobile d'entraînement 2 qui est vide et vient de libérer cet arbre 41 ; on voit sur cette figure 3, sus le chariot baladeur 4, un coulisseau 8 qui est mobile sensiblement selon la direction de tangence, dans une zone de jonction T0, entre la première trajectoire T1 et la deuxième trajectoire T2, et qui comporte une piste de came 9 destinée à guider les moyens de guidage complémentaire 7 que comporte le chariot baladeur 4, pour son changement de piste et pour autoriser sa course sur la nouvelle trajectoire.The figure 3 shows the mechanism just after the transfer, when the fork of the second drive mobile 20 clamps the shaft 41 of the traveling carriage 4, with the fork of the first drive mobile 2 which is empty and has just released this shaft 41; we see on this figure 3 , on the traveling carriage 4, a slide 8 which is movable substantially in the direction of tangency, in a junction zone T0, between the first trajectory T1 and the second trajectory T2, and which comprises a cam track 9 intended to guide the additional guide means 7 included in the traveling trolley 4, for its change of track and for allowing it to travel on the new trajectory.

La figure 4 illustre la synchronisation inverse du premier mobile d'entraînement 2, porté par une première roue d'entraînement 39, et du deuxième mobile d'entraînement 20, porté par une deuxième roue d'entraînement 390, au travers d'un rouage inverseur 300. Naturellement, ce rouage peut être agencé avec une démultiplication adéquate pour gérer la coopération de trajectoires T1 et T2 différentes, par exemple avec une trajectoire globale en huit résultant de la coopération d'un petit cercle avec un cercle plus grand.The figure 4 illustrates the reverse synchronization of the first drive wheel 2, carried by a first drive wheel 39, and the second drive wheel 20, carried by a second drive wheel 390, through a reverse gear train 300. Naturally, this gear can be arranged with an adequate reduction in order to manage the cooperation of different trajectories T1 and T2, for example with an overall eight-way trajectory resulting from the cooperation of a small circle with a larger circle.

Ce mécanisme autorise ainsi l'entraînement d'un élément transmissible, ici le chariot baladeur 4, il permet le transfert de cet élément, et assure la stabilité de ce chariot baladeur 4.This mechanism thus authorizes the drive of a transmissible element, here the traveling trolley 4, it allows the transfer of this element, and ensures the stability of this traveling trolley 4.

L'invention concerne encore un mécanisme 100 de positionnement et de guidage de positionnement et réglage d'un composant 8 d'horlogerie mobile dans un mouvement de va-et-vient selon une course limitée, le long d'une trajectoire imposée par des moyens de guidage, par rapport à une structure 200 fixe d'une pièce d'horlogerie, telle qu'une platine 900, un pont, ou similaire.The invention also relates to a mechanism 100 for positioning and guiding the positioning and adjustment of a mobile timepiece component 8 in a reciprocating movement along a limited stroke, along a path imposed by means. guide, relative to a fixed structure 200 of a timepiece, such as a plate 900, a bridge, or the like.

Ce mécanisme 100 de positionnement et de guidage est avantageusement combiné avec un tel mécanisme d'affichage 1, et en particulier constitue un mécanisme de transfert pour le changement de piste du chariot baladeur 4.This positioning and guiding mechanism 100 is advantageously combined with such a display mechanism 1, and in particular constitutes a transfer mechanism for changing the track of the traveling trolley 4.

Le mécanisme 100 de positionnement et de guidage comporte un premier galet 101, qui est fixé indirectement à la structure 200, avec une mobilité limitée par rapport à la structure 200, et qui est agencé pour rouler sur une piste de roulement 80 que comporte le composant 8.The positioning and guiding mechanism 100 comprises a first roller 101, which is fixed indirectly to the structure 200, with limited mobility with respect to the structure 200, and which is arranged to roll on a rolling track 80 that the component comprises. 8.

Cette piste de roulement 80 comporte au moins un premier relief 81 rentrant ou saillant, qui est agencé pour définir avec le premier galet 101 une première fin de course mécanique.This rolling track 80 comprises at least a first re-entrant or protruding relief 81, which is arranged to define with the first roller 101 a first mechanical limit switch.

Selon une caractéristique de l'invention, le mécanisme 100 de positionnement et de guidage comporte encore au moins un deuxième galet 102, qui est fixé indirectement à la structure 200 avec une mobilité limitée par rapport à la structure 200 et qui est agencé pour rouler sur une piste de roulement 80 que comporte le composant 8, laquelle piste de roulement 80 comporte au moins un deuxième relief 82 rentrant ou saillant agencé pour définir avec le deuxième galet 102 une deuxième fin de course mécanique.According to one characteristic of the invention, the positioning and guiding mechanism 100 further comprises at least one second roller 102, which is indirectly fixed to the structure 200 with limited mobility with respect to the structure 200 and which is arranged to roll on a rolling track 80 that the component 8 comprises, which rolling track 80 comprises at least one second relief 82 re-entering or projecting arranged to define with the second roller 102 a second mechanical limit switch.

Dans une variante, et tel que visible sur la figure 5, le premier galet 101 et le deuxième galet 102 roulent sur une piste de roulement 80 commune.In a variant, and as seen on the figure 5 , the first roller 101 and the second roller 102 roll on a common rolling track 80.

Dans une autre variante non illustrée, le premier galet 101 et le deuxième galet 102 roulent sur des pistes de roulement 80 distinctesIn another variant not shown, the first roller 101 and the second roller 102 roll on separate tracks 80.

Avantageusement, le débattement du premier galet 101 et celui du deuxième galet 102 sont réglables indépendamment par rapport à la structure 200.Advantageously, the travel of the first roller 101 and that of the second roller 102 are adjustable independently with respect to the structure 200.

Plus particulièrement, le premier galet 101 et/ou le deuxième galet 102 est soumis à l'action de moyens de rappel élastique 201, 202, tendant à le mettre en appui sur la piste de roulement 80. En particulier, le premier galet 101 et le deuxième galet 102 sont soumis à des moyens de rappel élastique 201, 202, qui tendent à exercer sur le composant 8 des couples de sens opposés.More particularly, the first roller 101 and / or the second roller 102 is subjected to the action of elastic return means 201, 202, tending to bring it to bear on the rolling track 80. In particular, the first roller 101 and the second roller 102 are subjected to elastic return means 201, 202, which tend to exert on component 8 torques in opposite directions.

Le composant 8 comporte avantageusement au moins une encoche 81, 82, agencée pour bloquer un galet 101, 102, en fin de course, afin de positionner précisément ce composant 8 en position de fin de course.Component 8 advantageously comprises at least one notch 81, 82, arranged to block a roller 101, 102, at the end of travel, in order to precisely position this component 8 in the end of travel position.

De façon avantageuse, le premier galet 101 et/ou le deuxième galet 102 est porté par une bascule 105, 106, laquelle est réglable par un excentrique 111, 112, par rapport à la structure 200, tel que visible sur les figures 5 et 9. La bascule 105 ou 106 est maintenue en place par une plaque intermédiaire 103, 104, qui vient la couvrir. Il est ainsi facile de régler très précisément la position de fin de course du mobile 8. L'extrémité 107, 108, de la bascule 105, 106, opposée au premier galet 101, respectivement deuxième galet 102, comporte un bossage d'appui d'au moins un ressort constituant les moyens de rappel élastique 201, 202.Advantageously, the first roller 101 and / or the second roller 102 is carried by a rocker 105, 106, which is adjustable by an eccentric 111, 112, relative to the structure 200, as visible on the figures. figures 5 and 9 . The rocker 105 or 106 is held in place by an intermediate plate 103, 104, which covers it. It is thus easy to very precisely adjust the end-of-travel position of the mobile 8. The end 107, 108, of the rocker 105, 106, opposite the first roller 101, respectively second roller 102, comprises a bearing boss d 'at least one spring constituting the elastic return means 201, 202.

Dans une application particulière illustrée par les figures 5, 8 et 9, le composant 8 est un coulisseau comportant une crémaillère 83 pour son entraînement.In a particular application illustrated by the figures 5 , 8 and 9 , component 8 is a slide comprising a rack 83 for its drive.

Dans une variante, correspondant à la réalisation illustrée par les figures, le composant 8 est guidé selon un mouvement plan, sur un côté opposé à la piste de roulement 80 par au moins une surface de guidage et d'appui 89.In a variant, corresponding to the embodiment illustrated by the figures, component 8 is guided in a plane movement, on a side opposite to the rolling track 80 by at least one guide and support surface 89.

Plus particulièrement, la course du mobile 8 est rectiligne.More particularly, the travel of the mobile 8 is rectilinear.

Dans l'application illustrée où le mobile 8 est un coulisseau, celui-ci se déplace linéairement par alternances de gauche à droite, guidé par des galets 98. En fin de course, ce coulisseau 8 nécessite un positionnement précis, que l'on ne peut pas assurer par un rouage, en raison des jeux d'engrenage. Pour remédier à ce problème, le coulisseau 8 comporte, de part et d'autre, deux encoches 81, 82, ou entailles, réalisées en forme de vé. De chaque côté se trouve une bascule 105, 106, guidée sur un excentrique 111, 112, et munie d'un premier galet 101, respectivement deuxième galet 102, libre et pivotant. Ces bascules 105, 106, , sont plaquées contre le coulisseau 8 grâce à des ressorts 201, 202. Durant le déplacement du coulisseau 8, le premier galet 101 et le deuxième galet 102 des bascules 105, 106, roulent sur une surface lisse 80 du coulisseau 8, afin de diminuer la prise de couple nécessaire, et en fin de course, le premier galet 101 ou le deuxième galet 102 de la bascule concernée 105 ou 106 tombe dans l'encoche 81 ou 82 en forme de vé du coulisseau 8, positionnant ce dernier de manière précise. Pour ajuster la position du coulisseau 8, la position de la bascule 105, 106, peut être réglée grâce à son pivotement sur excentrique 111, 112, en plaçant un tournevis dans l'encoche de ce dernier. De cette manière le positionnement du coulisseau 8 en fin de course est réglable d'une pièce à l'autre.In the illustrated application where the mobile 8 is a slide, it moves linearly in alternations from left to right, guided by rollers 98. At the end of its travel, this slide 8 requires precise positioning, which cannot be done. can not ensure by a cog, because of the backlashes. To remedy this problem, the slide 8 comprises, on either side, two notches 81, 82, or notches, made in the form of a vee. On each side is a rocker 105, 106, guided on an eccentric 111, 112, and provided with a first roller 101, respectively second roller 102, free and pivoting. These levers 105, 106, are pressed against the slide 8 by means of springs 201, 202. During the movement of the slide 8, the first roller 101 and the second roller 102 of the levers 105, 106, roll on a smooth surface 80 of the slide 8, in order to reduce the necessary torque take-up, and at the end of the stroke, the first roller 101 or the second roller 102 of the rocker concerned 105 or 106 falls into the vee-shaped notch 81 or 82 of the slide 8, positioning the latter precisely. To adjust the position of the slide 8, the position of the rocker 105, 106, can be adjusted by its pivoting on the eccentric 111, 112, by placing a screwdriver in the notch of the latter. In this way, the positioning of the slide 8 at the end of the stroke is adjustable from one room to another.

Ce mécanisme 100 de positionnement et de guidage assure ainsi un positionnement précis d'un composant mobile, permet un réglage fin du positionnement, pièce par pièce, dans les deux positions de début et fin de course, enfin la prise de couple est réduite grâce aux galets pivotants.This positioning and guiding mechanism 100 thus ensures precise positioning of a mobile component, allows fine adjustment of the positioning, piece by piece, in the two start and end positions, finally the torque taking is reduced thanks to the swivel rollers.

Plus particulièrement, la deuxième trajectoire T2 est sécante ou tangente en au moins un point avec la première trajectoire T1. Le mécanisme d'affichage 1 comporte un coulisseau 8, qui est mobile dans un logement 90 de la platine ou similaire, ce logement 90 est une rainure droite sur les figures. Ce coulisseau 8 est entraîné par le premier mobile d'entraînement 2 ou/et par le deuxième mobile d'entraînement 20, ou par un mouvement d'horlogerie 1000 ou par un mécanisme d'entraînement 800, tel que visible sur les figures 11 à 13, et comporte au moins un moyen de guidage de transfert 9 agencé pour guider, en au moins un point de tangence, le chariot baladeur 4 pour passer de la première trajectoire T1 à la deuxième trajectoire T2 ou vice-versa.More particularly, the second trajectory T2 is secant or tangent at at least one point with the first trajectory T1. The display mechanism 1 comprises a slide 8, which is movable in a housing 90 of the plate or the like, this housing 90 is a straight groove in the figures. This slide 8 is driven by the first drive wheel 2 or / and by the second drive wheel 20, or by a clockwork movement 1000 or by a drive mechanism 800, as visible on the figures. figures 11 to 13 , and comprises at least one transfer guide means 9 arranged to guide, at at least one point of tangency, the traveling carriage 4 to pass from the first trajectory T1 to the second trajectory T2 or vice versa.

Ce moyen de guidage de transfert 9 est plus particulièrement réalisé sous la forme d'une piste de came, les figures 10 et 11 montrent que cette piste de came comporte un premier canal 91 pour faire passer le chariot baladeur 4 de la trajectoire T1 à la trajectoire T2, et un deuxième canal 92 pour effectuer la manœuvre inverse.This transfer guide means 9 is more particularly produced in the form of a cam track, the figures 10 and 11 show that this cam track comprises a first channel 91 for making the traveling carriage 4 pass from the trajectory T1 to the trajectory T2, and a second channel 92 to perform the reverse maneuver.

Le coulisseau 8 se déplace ainsi, pour permettre de changer la trajectoire du chariot baladeur 4, comme on peut le voir sur la figure 10.The slide 8 thus moves, to make it possible to change the trajectory of the traveling trolley 4, as can be seen on the figure. figure 10 .

Une deuxième roue d'entraînement 390 du deuxième mobile d'entraînement 20 tourne et transmet sa rotation, notamment à un mobile démultiplicateur 52, pour mettre en rotation une deuxième roue de transfert 209, assemblée avec une deuxième came 53..A second drive wheel 390 of the second drive wheel 20 rotates and transmits its rotation, in particular to a gear wheel unit 52, to rotate a second transfer wheel 209, assembled with a second cam 53 ..

Une bascule est constituée par un râteau pivotant 55, muni de deux palpeurs 56 et 57, et qui est entraîné, d'un côté par la deuxième came 53, et qui entraîne, par un secteur denté 59 qu'il comporte, le pignon 87 d'un mobile entraîneur 88 qui permet le déplacement du coulisseau 8 par l'intermédiaire d'une crémaillère 83, et de l'autre côté par une première came 54, solidaire d'une première roue de transfert 29, et de forme complémentaire à la deuxième came 53, laissant ainsi un jeu de quelques centièmes de millimètres de liberté au râteau 55. La première roue de transfert 29 est entraînée dans le même sens que la deuxième roue de transfert 209 par l'intermédiaire d'une roue de synchronisation 51.A rocker is constituted by a pivoting rake 55, provided with two feelers 56 and 57, and which is driven, on one side by the second cam 53, and which drives, by a toothed sector 59 which it comprises, the pinion 87 of a mobile driving device 88 which allows the displacement of the slide 8 by means of a rack 83, and on the other side by a first cam 54, integral with a first transfer wheel 29, and of complementary shape to the second cam 53, thus leaving a clearance of a few hundredths of a millimeter of freedom to the rake 55. The first transfer wheel 29 is driven in the same direction as the second transfer wheel 209 via a synchronization wheel 51.

Lors du déplacement du coulisseau 8 dans un sens, la pente de la deuxième came 53 entraîne le râteau 55, la première came 54 permet de limiter le déplacement du râteau 55, et, lors du retour du coulisseau 8, c'est la pente de la première came 54 qui entraîne le râteau, dans l'autre sens, la deuxième came 53 servant alors, à son tour, de limitation au déplacement du râteau 55.When the slide 8 is moved in one direction, the slope of the second cam 53 drives the rake 55, the first cam 54 makes it possible to limit the movement of the rake 55, and, when the slide 8 returns, it is the slope of the first cam 54 which drives the rake in the other direction, the second cam 53 then serving, in turn, to limit the movement of the rake 55.

Naturellement, la deuxième came 53 pourrait aussi être solidaire d'un autre mobile que la deuxième roue d'entraînement 390 du deuxième mobile d'entraînement 20, et la première came 54 solidaire d'un autre mobile que la roue de synchronisation 51. Cette roue de synchronisation 51 peut être un des mobiles du rouage inverseur 300, pour économiser du volume dans le mouvement 1000.Naturally, the second cam 53 could also be integral with another mobile than the second drive wheel 390 of the second drive mobile 20, and the first cam 54 integral with a mobile other than the synchronization wheel 51. This synchronization wheel 51 can be one of the moving parts of the reverse gear train 300, to save volume in the movement 1000.

Ce système permet le changement de trajectoire ou le changement d'affichage d'un élément, sans rotation, de manière linéaire.This system allows the change of trajectory or the change of display of an element, without rotation, in a linear manner.

L'invention concerne encore un mouvement d'horlogerie 1000 comportant au moins un tel mécanisme 100 de positionnement et de guidage de positionnement et réglage, et/ou au moins un tel mécanisme d'affichage 1.The invention also relates to a timepiece movement 1000 comprising at least one such mechanism 100 for positioning and guiding positioning and adjustment, and / or at least one such display mechanism 1.

L'invention concerne encore une pièce d'horlogerie, notamment une montre 2000, comportant un tel mouvement 1000 et/ou au moins un tel mécanisme 100 de positionnement et de guidage de positionnement et réglage, et/ou au moins un tel mécanisme d'affichage 1.The invention also relates to a timepiece, in particular a watch 2000, comprising such a movement 1000 and / or at least one such mechanism 100 for positioning and guiding the positioning and adjustment, and / or at least one such mechanism. display 1.

En effet, l'invention occupe peu de place, et permet d'intégrer assez facilement dans une montre, même de petites dimensions comme une montre dame, une complication d'affichage spectaculaire et innovante, basée sur un mécanisme d'une grande finesse tout en étant conçu pour un rattrapage optimal des jeux de fonctionnement.Indeed, the invention takes up little space, and makes it possible to integrate quite easily into a watch, even of small dimensions such as a lady's watch, a spectacular and innovative display complication, based on a very fine mechanism. by being designed for optimum take-up of operating clearances.

Claims (13)

Mécanisme d'affichage (1) d'horlogerie, comportant un premier mobile d'entraînement (2) agencé pour être entraîné par un mouvement d'horlogerie ou par un mécanisme d'entraînement, ledit premier mobile d'entraînement (2) comportant des premiers moyens d'entraînement (3) agencés pour faire avancer un chariot baladeur (4) porteur d'un afficheur (5) selon au moins une partie d'une première trajectoire T1 définie par des premiers moyens de guidage (6) agencés pour coopérer de façon complémentaire avec des moyens de guidage complémentaire (7) que comporte ledit chariot baladeur (4), caractérisé en ce que ledit mécanisme d'affichage (1) comporte au moins un deuxième mobile d'entraînement (20) agencé pour être entraîné par ledit premier mobile d'entraînement (2) ou par un dit mouvement d'horlogerie ou par un dit mécanisme d'entraînement, ledit deuxième mobile d'entraînement (20) comportant des deuxièmes moyens d'entraînement (30) agencés pour faire avancer ledit chariot baladeur (4) selon au moins une partie d'une deuxième trajectoire T2 définie par des deuxièmes moyens de guidage (60) agencés pour coopérer de façon complémentaire avec lesdits moyens de guidage complémentaire (7) dudit chariot baladeur (4), ladite deuxième trajectoire T2 étant sécante ou tangente en au moins un point avec ladite première trajectoire T1, et en ce que lesdits premiers moyens d'entraînement (3) et lesdits deuxièmes moyens d'entraînement (30) comportent chacun au moins une lame élastique (31 ; 310) qui est agencée pour maintenir sans jeu un arbre (41) que comporte ledit chariot baladeur (4) quand ledit chariot baladeur (4) circule sur une seule desdites première trajectoire T1 et deuxième trajectoire T2, et pour autoriser sa libération pour un transfert dudit chariot baladeur (4) de ladite première trajectoire T1 à ladite deuxième trajectoire T2 ou vice-versa.Clockwork display mechanism (1), comprising a first driving wheel set (2) arranged to be driven by a clockwork movement or by a driving mechanism, said first driving wheel body (2) comprising first drive means (3) arranged to move a traveling trolley (4) carrying a display (5) along at least part of a first path T1 defined by first guide means (6) arranged to cooperate in a complementary manner with complementary guide means (7) which the said sliding carriage (4) comprises, characterized in that the said display mechanism (1) comprises at least one second driving mobile (20) arranged to be driven by said first drive mobile (2) or by a said clockwork movement or by a said drive mechanism, said second drive mobile (20) comprising second drive means (30) arranged to advance said walking trolley (4) according to m anoint part of a second path T2 defined by second guide means (60) arranged to cooperate in a complementary manner with said complementary guide means (7) of said traveling carriage (4), said second path T2 being secant or tangent in at least one point with said first trajectory T1, and in that said first drive means (3) and said second drive means (30) each comprise at least one elastic blade (31; 310) which is arranged to keep without play a shaft (41) that comprises said traveling carriage (4) when said traveling carriage (4) travels on only one of said first trajectory T1 and second trajectory T2, and to authorize its release for a transfer from said traveling trolley (4) from said first trajectory T1 to said second trajectory T2 or vice versa. Mécanisme d'affichage (1) selon la revendication 1, caractérisé en ce que ladite deuxième trajectoire T2 est tangente en au moins un point à ladite première trajectoire T1.Display mechanism (1) according to claim 1, characterized in that said second trajectory T2 is tangent at at least one point to said first trajectory T1. Mécanisme d'affichage (1) selon la revendication 1 ou 2, caractérisé en ce que lesdits premiers moyens d'entraînement (3) et/ou lesdits deuxièmes moyens d'entraînement (30) comportent une fourchette comportant au moins une dite lame élastique (31 ; 310), laquelle dite fourchette comporte une première lèvre (32) et une deuxième lèvre (33) solidaires dudit mobile d'entraînement (2 ; 20) et entre lesquelles s'étend ladite lame élastique (31 ; 310), séparée des lèvres par des découpes (34 ; 35), une desdites lèvres (32, 33) comportant un premier bec d'appui (37), agencé pour serrer à la façon d'une pince un arbre (41) que comporte ledit chariot baladeur (4), en coopération avec un deuxième bec d'appui (36) que comporte ladite lame élastique (31 ; 310) à son extrémité distale.Display mechanism (1) according to claim 1 or 2, characterized in that said first drive means (3) and / or said second drive means (30) comprise a fork comprising at least one said elastic blade ( 31; 310), which said fork comprises a first lip (32) and a second lip (33) integral with said drive mobile (2; 20) and between which extends said elastic blade (31; 310), separated from the lips by cutouts (34; 35), one of said lips (32, 33) comprising a first bearing spout (37), arranged to clamp in the manner of a clamp, a shaft (41) which said sliding carriage (4) comprises, in cooperation with a second bearing spout (36) which said elastic blade (31; 310) comprises at its distal end. Mécanisme d'affichage (1) selon la revendication 3, caractérisé en ce que ladite lame élastique (31 ; 310) est solidaire dudit mobile d'entraînement (2 ; 20).Display mechanism (1) according to claim 3, characterized in that said elastic blade (31; 310) is integral with said drive mobile (2; 20). Mécanisme d'affichage (1) selon la revendication 3, caractérisé en ce que ladite lame élastique (31 ; 310) est rapportée sur ledit mobile d'entraînement (2 ; 20), ou est constituée d'un ressort-lame fixé en porte-à-faux sur ledit mobile d'entraînement (2 ; 20).Display mechanism (1) according to claim 3, characterized in that said elastic blade (31; 310) is attached to said drive mobile (2; 20), or consists of a leaf spring fixed to the door - cantilever on said driving wheel set (2; 20). Mécanisme d'affichage (1) selon l'une des revendications 3 à 5, caractérisé en ce que la lèvre porteuse dudit premier bec d'appui (37) comporte au moins un bossage (38), agencé pour limiter la course angulaire de ladite lame élastique (31 ; 310), dont l'élasticité est suffisante pour autoriser une course angulaire permettant audit arbre (41) d'échapper à cette fourchette, lors de son arrivée dans une zone de jonction T0 entre ladite première trajectoire T1 et ladite deuxième trajectoire T2 , et de son transfert vers une fourchette antagoniste.Display mechanism (1) according to one of claims 3 to 5, characterized in that the bearing lip of said first bearing spout (37) comprises at least one boss (38), arranged to limit the angular travel of said elastic blade (31; 310), the elasticity of which is sufficient to allow an angular travel allowing said shaft (41) to escape this range, when it arrives in a junction zone T0 between said first trajectory T1 and said second T2 trajectory, and its transfer to an antagonistic fork. Mécanisme d'affichage (1) selon l'une des revendications 3 à 6, caractérisé en ce que ledit mécanisme d'affichage (1) comporte deux dites fourchettes en forme de vé, à lames élastiques, tournant en sens opposé, l'une fixée audit premier mobile d'entraînement (2), l'autre audit deuxième mobile d'entraînement (20), ledit arbre (41) dudit chariot baladeur (4) étant pincé par une des fourchettes pendant sa course sur ladite première trajectoire T1 ou ladite deuxième trajectoire T2, et étant plaqué sur l'extérieur d'une rainure constituant lesdits deuxièmes moyens de guidage (60), grâce à la forme de vé de la fourchette, et étant entraîné par ladite fourchette.Display mechanism (1) according to one of claims 3 to 6, characterized in that said display mechanism (1) comprises two said vee-shaped forks, with elastic blades, rotating in the opposite direction, one fixed to said first drive mobile (2), the other to said second drive mobile (20), said shaft (41) of said sliding carriage (4) being gripped by one of the forks during its travel on said first path T1 or said second path T2, and being pressed against the outside of a groove constituting said second guide means (60), thanks to the vee-shape of the fork, and being driven by said fork. Mécanisme d'affichage (1) selon la revendication 7, caractérisé en ce que lesdites deux fourchettes sont synchronisées de manière à se superposer au niveau une zone de jonction T0 entre ladite première trajectoire T1 et ladite deuxième trajectoire T2, lorsque ledit chariot baladeur (4) a terminé sa course sur ladite première trajectoire T1 ou ladite deuxième trajectoire T2, et revient sur ladite zone de jonction T0, au niveau de laquelle ledit arbre (41) du chariot baladeur (4) est transféré d'une fourchette à une autre, par à un mécanisme de transfert, et peut alors être entraîné par l'autre fourchette pour sa course sur la deuxième trajectoire T2 ou respectivement ladite première trajectoire T1.Display mechanism (1) according to claim 7, characterized in that said two forks are synchronized so as to be superimposed at a junction zone T0 between said first trajectory T1 and said second trajectory T2, when said traveling carriage (4 ) has finished its course on said first trajectory T1 or said second trajectory T2, and returns to said junction zone T0, at which said shaft (41) of the traveling trolley (4) is transferred from one fork to another, by a transfer mechanism, and can then be driven by the other fork for its travel on the second trajectory T2 or respectively said first trajectory T1. Mécanisme d'affichage (1) selon l'une des revendications 1 à 8, caractérisé en ce que ledit mécanisme d'affichage (1) comporte une synchronisation inverse dudit premier mobile d'entraînement (2), porté par une première roue d'entraînement (39), et dudit deuxième mobile d'entraînement (20), porté par une deuxième roue d'entraînement (390), au travers d'un rouage inverseur (300).Display mechanism (1) according to one of claims 1 to 8, characterized in that said display mechanism (1) comprises an inverse synchronization of said first drive mobile (2), carried by a first wheel of drive (39), and said second drive wheel (20), carried by a second drive wheel (390), through a reverse gear (300). Mécanisme d'affichage (1) selon l'une des revendications 1 à 9, caractérisé en ce que ledit chariot baladeur (4) est entraîné selon une trajectoire prédéfinie en forme de huit qui constitue la piste globale, qui résulte de la juxtaposition en tangence externe, au niveau de la zone de jonction T0, d'une première piste T1 sensiblement circulaire, qui comporte lesdits premiers moyens de guidage (6), et d'une deuxième piste T2 sensiblement circulaire, qui comporte lesdits deuxièmes moyens de guidage (60).Display mechanism (1) according to one of claims 1 to 9, characterized in that said traveling carriage (4) is driven along a predefined figure-eight trajectory which constitutes the overall track, which results from the juxtaposition in tangency external, at the level of the junction zone T0, of a first substantially circular track T1, which comprises said first guide means (6), and of a second substantially circular track T2, which comprises said second guide means (60 ). Mécanisme d'affichage (1) selon les revendications 9 et 10, caractérisé en ce que rouage inverseur (300) comporte une démultiplication adéquate pour gérer la coopération de trajectoires T1 et T2 différentes, ou d'une trajectoire selon un petit cercle et d'une autre trajectoire selon un cercle plus grand.Display mechanism (1) according to claims 9 and 10, characterized in that the reversing gear (300) comprises an adequate reduction in order to manage the cooperation of different trajectories T1 and T2, or of a trajectory according to a small circle and of another trajectory along a larger circle. Mouvement d'horlogerie (1000) comportant au moins un mécanisme d'affichage (1) selon l'une des revendications 1 à 11.Clockwork movement (1000) comprising at least one display mechanism (1) according to one of claims 1 to 11. Montre (2000), comportant un mouvement (1000) selon la revendication 12, et/ou au moins un mécanisme d'affichage (1) selon l'une des revendications 1 à 11.Watch (2000), comprising a movement (1000) according to claim 12, and / or at least one display mechanism (1) according to one of claims 1 to 11.
EP19199580.2A 2019-09-25 2019-09-25 Timepiece display mechanism with multi-track guiding Active EP3798743B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125172A1 (en) * 1999-09-02 2001-08-22 John C. Ermel Clock
JP3568526B1 (en) * 2003-11-10 2004-09-22 博 中野 Analog clock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125172A1 (en) * 1999-09-02 2001-08-22 John C. Ermel Clock
JP3568526B1 (en) * 2003-11-10 2004-09-22 博 中野 Analog clock

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