EP2013667B1 - Ribbon-display timepiece - Google Patents

Ribbon-display timepiece Download PDF

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Publication number
EP2013667B1
EP2013667B1 EP07727506A EP07727506A EP2013667B1 EP 2013667 B1 EP2013667 B1 EP 2013667B1 EP 07727506 A EP07727506 A EP 07727506A EP 07727506 A EP07727506 A EP 07727506A EP 2013667 B1 EP2013667 B1 EP 2013667B1
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EP
European Patent Office
Prior art keywords
rollers
ribbon
escapement
spring
timepiece according
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Not-in-force
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EP07727506A
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German (de)
French (fr)
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EP2013667A2 (en
Inventor
Sébastien ROUSSEAU
Romain Gillet
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Individual
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Individual
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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
    • G04B19/04—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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/207—Indicating by numbered bands, drums, discs, or sheets by means of bands

Definitions

  • the present invention relates to the field of watchmaking. It relates more particularly to a timepiece in which the hourly information display is produced using an endless ribbon rotating around the movement inside the box, the indications carried by this ribbon appearing through the ice.
  • a watch of this type is described, for example, in the patent CH 338 150 .
  • a mechanical movement of the classic type is surmounted by a U-shaped stirrup whose base is traversed by the roadway. This drives two vertical wheels mounted pivoting in the branches of the caliper and rotating at speeds whose ratio is that of the angular speeds of the traditional clockwise. These two wheels are respectively engaged with the teeth that have two endless ribbons arranged next to each other, around the movement and bearing one the indications of minutes, the other indications of hours.
  • Such a construction however suffers from two main disadvantages. Firstly, the power and the energy of the spring contained in the barrel may be insufficient to drive the ribbon for an acceptable duration. Second, the watch is very thick since it consists of the stack of a movement, the ribbon drive mechanism and sufficient space to allow it to go around the assembly.
  • the object of the present invention is to provide a timepiece with a ribbon display that is free of these two disadvantages.
  • the timepiece is of the type comprising an endless flexible tape bearing hourly indications and stretched between two parallel rollers, and a mechanism for rotating at least one of these rollers, comprising a spring wound inside a cylinder, an exhaust and a regulator coupled to the exhaust.
  • This piece is characterized in that the spring is wound inside at least one of the rollers which thus constitutes the barrel of the drive mechanism.
  • the two rollers are identical and constitute barrels which are coupled in identical ways, via a gear train, a single exhaust and a regulating member located halfway between the two.
  • FIG. 1 shows, at 10, an endless flexible ribbon stretched between two identical parallel rolls 11 and 12 driven simultaneously in rotation by a mechanism which will be described later in detail. When rotating, these rollers move the tape counter-clockwise, one or more full rotations per day.
  • the flexible tape 10 may be of silk, metal, plastic, paper or any other material. It presents side by side, arranged perpendicularly to the rollers and made by printing, a scale 13 bearing the indications of the hours from 0 to 11 and possibly a scale 14 carrying, in front of the space separating two indications of successive hours, indications of minutes. In this case, the ribbon rotates and 12 hours. Good Of course, the scale 13 can also carry the indications of the hours from 0 to 23, in which case the ribbon rotates in 24 hours.
  • the rollers 11 and 12 which serve to drive the ribbon 10 are themselves the energy source of the movement, that is to say that they constitute the barrels and therefore each contain a spring whose relaxation, over time, ensures their rotation and, thus, the movement of the ribbon.
  • rollers at their ends may be advantageous to provide the rollers at their ends with teeth engaged with openings along the edges of the ribbon, like those of a photographic film.
  • the ribbon drive is thus made safer.
  • the teeth of the rollers must be mounted frictionally thereon.
  • the distance between the two rollers 11 and 12 is 21.99 mm, while their diameter is 7 mm.
  • the rollers 11 and 12 must therefore, under the action of their respective springs, respectively perform 3.35 or 6.7 rounds per day.
  • the length of the rollers allows them to form barrels with a spring having, because of its high height, a moment of maximum force exceptionally higher than that of the spring of a conventional barrel. If a single high-pitch spring is not available, it suffices, for example, to couple side by side, on the bung of the barrels, several elementary springs of conventional movements. which makes it easy to reach a moment of maximum force of 20 Nmm for each of them.
  • the ribbon drive even if it is relatively heavy, no longer poses any problem in terms of power and energy. A power reserve greater than 48 hours is thus offered.
  • each roller 11 and 12 which rotates in the counter-clockwise direction, is pivotally mounted between two bridges 17 and 18. It ends with a barrel wheel 19 meshing with the pinion of a medium wheel 20 whose wheel is engaged with the pinion of a wheel of small average 21 whose wheel is engaged with the pinion of a second wheel 22.
  • the two second wheels 22 mesh, halfway between the two rollers, with the pinion 23 of an escape wheel 24 also rotating in the anti-clockwise direction and conventionally coupled by an anchor 25, to a balance spring 26 forming a regulating member.
  • the axis of the escape pinion 23 is offset with respect to the line AA joining the axes of the two barrels on which are aligned the axes of the mobiles 20 , 21 and 22. All these mobiles are pivotally mounted between two bridges 27 and 28.
  • each roll 11 and 12 ends with a ratchet 29 meshing, halfway between the two rollers, by means of two links 30 and 31, with a central winding pinion 32 arranged on the line AA along which are aligned with the axes of the mobiles 30 and 31.
  • the latter are pivotally mounted between a bridge 33 and the bridge 18 used by the rollers.
  • the bridges 17, 18, 27, 28 and 33 are advantageously assembled using a system of rods (not shown) constituting, in a way, the platen of the movement.
  • FIGS 5 and 6 show, by way of example, the manner in which the winding and setting functions of this movement are performed.
  • the winding pinion 32 belongs to a central winding stem 34, parallel to the axes of the rollers 11 and 12, operable in rotation and in translation by means of a ring 35 and mounted between the bridges 18 and 33. It carries a pinion 36 which, in the pushed position of the rod 34, shown in FIG. figure 5 , is inactive. In this case, the pinion 32 is, as on the figure 2 , in engagement with the two ratchets 29. The rotation of the ring 35 then allows the winding of the springs of the two barrels 11 and 12.
  • FIG. 7 shows, for example, the possibility of using a ribbon 10 displaying the time zones.
  • a fixed line 40 then serves as a reference for reading hours.
  • the timepiece according to the invention can use only one of the rollers as barrel.

Abstract

The timepiece has an endless flexible ribbon (10) bearing time indications stretched between parallel rollers (11, 12). A mechanism turns one of the rollers comprising a spring, an escapement, and a regulator unit coupled to the escapement. The spring is wound up inside the roller (11) which forms a barrel of the drive mechanism. The rollers form the barrels that are coupled in an identical manner by one of their ends to the escapement and the regulator unit by using a sprocket wheel, where an axis of the wheel is separated with respect to a line joining an axis of the barrels.

Description

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, une pièce d'horlogerie dans laquelle l'affichage d'informations horaires est réalisé à l'aide d'un ruban sans fin tournant autour du mouvement à l'intérieur de la boîte, les indications portées par ce ruban apparaissant au travers de la glace.The present invention relates to the field of watchmaking. It relates more particularly to a timepiece in which the hourly information display is produced using an endless ribbon rotating around the movement inside the box, the indications carried by this ribbon appearing through the ice.

Une montre de ce type est décrite, par exemple, dans le brevet CH 338 150 . Un mouvement mécanique, de type classique, est surmonté par un étrier en U dont la base est traversée par la chaussée. Celle-ci entraîne deux roues verticales montées pivotantes dans les branches de l'étrier et tournant à des vitesses dont le rapport est celui des vitesses angulaires des aiguilles d'une montre traditionnelle. Ces deux roues sont respectivement en prise avec les dentures que présentent deux rubans sans fin disposés l'un à côté de l'autre, autour du mouvement et portant l'un les indications des minutes, l'autre les indications des heures.A watch of this type is described, for example, in the patent CH 338 150 . A mechanical movement of the classic type is surmounted by a U-shaped stirrup whose base is traversed by the roadway. This drives two vertical wheels mounted pivoting in the branches of the caliper and rotating at speeds whose ratio is that of the angular speeds of the traditional clockwise. These two wheels are respectively engaged with the teeth that have two endless ribbons arranged next to each other, around the movement and bearing one the indications of minutes, the other indications of hours.

Une telle construction souffre cependant de deux inconvénients principaux. Premièrement, la puissance et l'énergie du ressort contenu dans le barillet risquent d'être insuffisantes pour l'entraînement du ruban sur une durée acceptable. Deuxièmement, la montre est très épaisse puisque constituée de l'empilement d'un mouvement, du mécanisme d'entraînement du ruban et d'un espace suffisant pour permettre à celui-ci de faire le tour de l'ensemble.Such a construction however suffers from two main disadvantages. Firstly, the power and the energy of the spring contained in the barrel may be insufficient to drive the ribbon for an acceptable duration. Second, the watch is very thick since it consists of the stack of a movement, the ribbon drive mechanism and sufficient space to allow it to go around the assembly.

La présente invention a pour but de fournir une pièce d'horlogerie à affichage par ruban exempte de ces deux inconvénients.The object of the present invention is to provide a timepiece with a ribbon display that is free of these two disadvantages.

De façon plus précise, la pièce d'horlogerie est du type comportant un ruban souple sans fin portant des indications horaires et tendu entre deux rouleaux parallèles, et un mécanisme d'entraînement en rotation de l'un, au moins, de ces rouleaux, comprenant un ressort enroulé à l'intérieur d'un barillet, un échappement et un organe régulateur couplés à l'échappement. Cette pièce est caractérisée en ce que le ressort est enroulé à l'intérieur d'au moins un des rouleaux qui constitue ainsi le barillet du mécanisme d'entraînement.More precisely, the timepiece is of the type comprising an endless flexible tape bearing hourly indications and stretched between two parallel rollers, and a mechanism for rotating at least one of these rollers, comprising a spring wound inside a cylinder, an exhaust and a regulator coupled to the exhaust. This piece is characterized in that the spring is wound inside at least one of the rollers which thus constitutes the barrel of the drive mechanism.

De façon avantageuse, les deux rouleaux sont identiques et constituent des barillets qui sont couplés de manières identiques, par l'intermédiaire d'un rouage, à un échappement et un organe régulateur uniques situés à mi-chemin entre les deux.Advantageously, the two rollers are identical and constitute barrels which are coupled in identical ways, via a gear train, a single exhaust and a regulating member located halfway between the two.

D'autres caractéristiques de l'invention ressortiront de la description qui va suivre, faite en regard du dessin annexé, dans lequel :

  • la figure 1 est une vue partielle en perspective d'un mouvement de montre selon l'invention;
  • la figure 2 est une vue de dessus de ce mouvement, le ruban étant enlevé ;
  • la figure 3 est une vue d'un côté du mouvement ;
  • la figure 4 est une vue de l'autre côté du mouvement ;
  • les figures 5 et 6 montrent les détails du mécanisme de remontage et de mise à l'heure ; et
  • la figure 7 illustre une variante de réalisation du mouvement de la figure 1.
Other features of the invention will emerge from the description which follows, given with reference to the appended drawing, in which:
  • the figure 1 is a partial perspective view of a watch movement according to the invention;
  • the figure 2 is a view from above of this movement, the ribbon being removed;
  • the figure 3 is a view of one side of the movement;
  • the figure 4 is a view from the other side of the movement;
  • the Figures 5 and 6 show the details of the winding and setting mechanism; and
  • the figure 7 illustrates an alternative embodiment of the movement of the figure 1 .

On se référera, pour commencer, à la figure 1 qui montre, en 10, un ruban souple sans fin tendu entre deux rouleaux identiques parallèles 11 et 12 entraînés simultanément en rotation par un mécanisme qui sera décrit plus loin en détail. Lors de leur rotation, ces rouleaux font déplacer le ruban dans le sens anti-horaire, à raison d'une ou plusieurs rotations complètes par jour.We will first refer to the figure 1 which shows, at 10, an endless flexible ribbon stretched between two identical parallel rolls 11 and 12 driven simultaneously in rotation by a mechanism which will be described later in detail. When rotating, these rollers move the tape counter-clockwise, one or more full rotations per day.

Le ruban souple 10 peut être en soie, en métal, en plastique, en papier ou tout autre matériau. Il présente côte à côte, disposées perpendiculairement aux rouleaux et réalisées par impression, une échelle 13 portant les indications des heures de 0 à 11 et éventuellement une échelle 14 portant, en face de l'espace qui sépare deux indications d'heures successives, des indications des minutes. Dans ce cas, le ruban effectue une rotation et 12 heures. Bien entendu, l'échelle 13 peut aussi porter les indications des heures de 0 à 23, auquel cas le ruban effectue sa rotation en 24 heures.The flexible tape 10 may be of silk, metal, plastic, paper or any other material. It presents side by side, arranged perpendicularly to the rollers and made by printing, a scale 13 bearing the indications of the hours from 0 to 11 and possibly a scale 14 carrying, in front of the space separating two indications of successive hours, indications of minutes. In this case, the ribbon rotates and 12 hours. Good Of course, the scale 13 can also carry the indications of the hours from 0 to 23, in which case the ribbon rotates in 24 hours.

Deux aiguilles fixes 15 et 16, disposées au-dessus du ruban 10, servent de repères pour la lecture des heures et des minutes. Ces aiguilles peuvent être simplement fixées sous la glace de la montre, mais elles peuvent aussi être fixées au mouvement lui-même ou de toute manière qui conviendra à l'homme de métier.Two fixed hands 15 and 16, arranged above the ribbon 10, serve as markers for reading the hours and minutes. These needles can be simply fixed under the watch's ice, but they can also be attached to the movement itself or in any manner that is suitable for those skilled in the art.

Selon une caractéristique essentielle de l'invention, les rouleaux 11 et 12 qui servent à l'entraînement du ruban 10, sont eux-mêmes la source d'énergie du mouvement, c'est-à-dire qu'ils en constituent les barillets et contiennent donc chacun un ressort dont la détente, au cours du temps, assure leur rotation et, ainsi, le déplacement du ruban.According to an essential characteristic of the invention, the rollers 11 and 12 which serve to drive the ribbon 10, are themselves the energy source of the movement, that is to say that they constitute the barrels and therefore each contain a spring whose relaxation, over time, ensures their rotation and, thus, the movement of the ribbon.

Bien que cela ne soit pas représenté au dessin, il peut être avantageux de doter les rouleaux, à leurs extrémités, de dentures en prise avec des ouvertures ménagées le long des bords du ruban, à l'instar de celles d'un film photographique. L'entraînement du ruban est ainsi rendu plus sûr. Dans ce cas, toutefois, afin d'autoriser le glissement du ruban pour le mettre à l'heure, les dentures des rouleaux doivent être montées à friction sur ceux-ci.Although not shown in the drawing, it may be advantageous to provide the rollers at their ends with teeth engaged with openings along the edges of the ribbon, like those of a photographic film. The ribbon drive is thus made safer. In this case, however, in order to allow the slipping of the tape to set it on time, the teeth of the rollers must be mounted frictionally thereon.

Pour fixer les idées, et à titre de simple exemple, la distance séparant les deux rouleaux 11 et 12 est de 21,99 mm, tandis que leur diamètre est de 7 mm. Le ruban 10, tendu entre ces rouleaux, a donc une longueur de 73,79 mm. Pour permettre à celui-ci d'effectuer une rotation complète en 12 ou 24 heures, les rouleaux 11 et 12 doivent donc, sous l'action de leurs ressorts respectifs, effectuer respectivement 3,35 ou 6,7 tours par jour.To fix ideas, and as a simple example, the distance between the two rollers 11 and 12 is 21.99 mm, while their diameter is 7 mm. The ribbon 10, stretched between these rollers, therefore has a length of 73.79 mm. To allow it to perform a full rotation in 12 or 24 hours, the rollers 11 and 12 must therefore, under the action of their respective springs, respectively perform 3.35 or 6.7 rounds per day.

La longueur des rouleaux, typiquement de 15 mm environ, leur permet de constituer des barillets dotés d'un ressort possédant, grâce à sa hauteur importante, un moment de force maximal exceptionnellement plus élevé que celui du ressort d'un barillet classique. Si un ressort unique de grande hauteur n'est pas disponible, il suffit, par exemple, de coupler côte à côte, sur la bonde des barillets, plusieurs ressorts élémentaires de mouvements classiques, ce qui permet d'atteindre aisément un moment de force maximal de 20 Nmm pour chacun d'eux. L'entraînement du ruban, même s'il est relativement lourd, ne pose alors plus aucun problème en terme de puissance et d'énergie. Une réserve de marche supérieure à 48 heures est ainsi offerte.The length of the rollers, typically about 15 mm, allows them to form barrels with a spring having, because of its high height, a moment of maximum force exceptionally higher than that of the spring of a conventional barrel. If a single high-pitch spring is not available, it suffices, for example, to couple side by side, on the bung of the barrels, several elementary springs of conventional movements. which makes it easy to reach a moment of maximum force of 20 Nmm for each of them. The ribbon drive, even if it is relatively heavy, no longer poses any problem in terms of power and energy. A power reserve greater than 48 hours is thus offered.

On se référera maintenant aux figures 2 à 4 montrant le mouvement de l'invention, qui pour être mieux visible, a été séparé de son ruban.We will now refer to Figures 2 to 4 showing the movement of the invention, which to be better visible, was separated from its ribbon.

De son côté représenté sur la figure 3, chaque rouleau 11 et 12, qui tourne dans le sens anti-horaire, est monté pivotant entre deux ponts 17 et 18. Il se termine par une roue de barillet 19 en prise avec le pignon d'une roue de grande moyenne 20 dont la roue est en prise avec le pignon d'une roue de petite moyenne 21 dont la roue est en prise avec le pignon d'une roue de seconde 22.On his side represented on the figure 3 , each roller 11 and 12, which rotates in the counter-clockwise direction, is pivotally mounted between two bridges 17 and 18. It ends with a barrel wheel 19 meshing with the pinion of a medium wheel 20 whose wheel is engaged with the pinion of a wheel of small average 21 whose wheel is engaged with the pinion of a second wheel 22.

Les deux roues de seconde 22 engrènent, à mi-chemin des deux rouleaux, avec le pignon 23 d'une roue d'échappement 24 tournant également dans le sens anti-horaire et couplée, de manière classique, par une ancre 25, à un balancier spiral 26 formant organe régulateur. On remarquera que, pour d'évidentes raisons de réduction de l'épaisseur du mouvement, l'axe du pignon d'échappement 23 est décalé par rapport à la ligne AA joignant les axes des deux barillets sur laquelle sont alignés les axes des mobiles 20, 21 et 22. Tous ces mobiles sont montés pivotants entre deux ponts 27 et 28.The two second wheels 22 mesh, halfway between the two rollers, with the pinion 23 of an escape wheel 24 also rotating in the anti-clockwise direction and conventionally coupled by an anchor 25, to a balance spring 26 forming a regulating member. It will be noted that, for obvious reasons of reducing the thickness of the movement, the axis of the escape pinion 23 is offset with respect to the line AA joining the axes of the two barrels on which are aligned the axes of the mobiles 20 , 21 and 22. All these mobiles are pivotally mounted between two bridges 27 and 28.

De son côté représenté sur la figure 4, chaque rouleau 11 et 12 se termine par un rochet 29 engrenant, à mi-chemin des deux rouleaux, par l'intermédiaire de deux renvois 30 et 31, avec un pignon de remontoir central 32 disposé sur la ligne AA le long de laquelle sont alignés les axes des mobiles 30 et 31. Ces derniers sont montés pivotants entre un pont 33 et le pont 18 utilisé par les rouleaux.On his side represented on the figure 4 each roll 11 and 12 ends with a ratchet 29 meshing, halfway between the two rollers, by means of two links 30 and 31, with a central winding pinion 32 arranged on the line AA along which are aligned with the axes of the mobiles 30 and 31. The latter are pivotally mounted between a bridge 33 and the bridge 18 used by the rollers.

Les ponts 17, 18, 27, 28 et 33 sont avantageusement assemblés à l'aide d'un système de tiges (non représentées) constituant, en quelque sorte, la platine du mouvement.The bridges 17, 18, 27, 28 and 33 are advantageously assembled using a system of rods (not shown) constituting, in a way, the platen of the movement.

Les figures 5 et 6 montrent, à titre d'exemple, la manière dont sont réalisées les fonctions de remontage et de mise à l'heure de ce mouvement.The Figures 5 and 6 show, by way of example, the manner in which the winding and setting functions of this movement are performed.

Le pignon de remontoir 32 appartient à une tige de remontoir centrale 34, parallèle aux axes des rouleaux 11 et 12, actionnable en rotation et en translation à l'aide d'une couronne 35 et montée entre les ponts 18 et 33. Elle porte un pignon 36 qui, dans la position poussée de la tige 34, représentée à la figure 5, est inactif. Dans ce cas, le pignon 32 est, comme sur la figure 2, en prise avec les deux rochets 29. La rotation de la couronne 35 permet alors le remontage des ressorts des deux barillets 11 et 12.The winding pinion 32 belongs to a central winding stem 34, parallel to the axes of the rollers 11 and 12, operable in rotation and in translation by means of a ring 35 and mounted between the bridges 18 and 33. It carries a pinion 36 which, in the pushed position of the rod 34, shown in FIG. figure 5 , is inactive. In this case, the pinion 32 is, as on the figure 2 , in engagement with the two ratchets 29. The rotation of the ring 35 then allows the winding of the springs of the two barrels 11 and 12.

Lorsque, comme représenté à la figure 6, la tige 34 est en position tirée, le pignon de remontoir 32 est inactif mais le pignon 36 vient en prise, au-dessous de lui, avec un pignon 37 fixé sur une tige centrale 38, avantageusement dotée de rainures, qui est montée libre en rotation entre les ponts 28 et 33 parallèlement aux axes des rouleaux 11 et 12. La figure 4 montre que cette tige est appliquée sur toute la largeur du ruban qu'elle déforme légèrement vers l'intérieur. La rotation de la couronne 35 permet alors, grâce au frottement que la tige 38 exerce sur le ruban, de déplacer celui-ci de manière à assurer sa mise à l'heure en face des aiguilles 15 et 16. On remarquera enfin qu'une lame ressort 39, disposée du côté du pignon 37 opposé à celui d'où arrive le pignon 36, sert au positionnement correct de celui-ci.When, as represented in figure 6 , the rod 34 is in the pulled position, the winding pinion 32 is inactive but the pinion 36 engages, below it, with a pinion 37 fixed on a central rod 38, advantageously provided with grooves, which is freely mounted in rotation between the bridges 28 and 33 parallel to the axes of the rollers 11 and 12. figure 4 shows that this rod is applied over the entire width of the ribbon that deforms slightly inwardly. The rotation of the ring 35 then allows, thanks to the friction that the rod 38 exerts on the ribbon, to move it so as to ensure its setting time in front of the needles 15 and 16. It will finally be noted that spring blade 39, disposed on the side of the pinion 37 opposite that of which the pinion 36 arrives, serves for the correct positioning thereof.

Ainsi est proposée une pièce d'horlogerie dotée d'un affichage à ruban qui présente l'originalité d'utiliser les deux rouleaux entraîneurs comme barillets. Un volume important est ainsi rendu disponible pour loger des ressorts qui assurent toute la puissance et l'énergie nécessaire pour un fonctionnement fiable et d'autonomie plus que confortable.Thus is proposed a timepiece with a ribbon display that has the originality of using the two drive rollers as barrels. A large volume is thus made available to house springs that provide all the power and energy necessary for reliable operation and more than comfortable autonomy.

La présente description a été faite en se référant à un ruban affichant l'heure et la minute. Il va de soi que de nombreuses autres indications peuvent être ainsi fournies par un tel mouvement, avec une infinité de possibilité d'offrir les effets esthétiques les plus originaux. La figure 7 montre, à titre d'exemple, la possibilité d'utiliser un ruban 10 affichant les fuseaux horaires. Une ligne fixe 40 sert alors de repère pour la lecture des heures.This description has been made with reference to a tape displaying the hour and the minute. It goes without saying that many other indications can thus be provided by such a movement, with an infinity of possibility to offer the most original aesthetic effects. The figure 7 shows, for example, the possibility of using a ribbon 10 displaying the time zones. A fixed line 40 then serves as a reference for reading hours.

On notera enfin que, selon une variante de réalisation, la pièce d'horlogerie selon l'invention peut n'utiliser qu'un seul des rouleaux comme barillet.Note finally that, according to an alternative embodiment, the timepiece according to the invention can use only one of the rollers as barrel.

Claims (6)

  1. A timepiece comprising a flexible endless ribbon (10) bearing time indications (13, 14) and stretched between two parallel rollers (11, 12), and a drive mechanism for turning at least one of these rollers, comprising a spring wound up inside a barrel, an escapement and a regulator member coupled to the escapement, characterized in that said spring is wound up inside at least one of said rollers which thus forms the barrel of the drive mechanism.
  2. The timepiece according to claim 1, characterized in that, in said mechanism, the two rollers (11, 12) are identical and form barrels which are coupled identically, by one of their ends (19), via a train (20, 21, 22), to a unique escapement (24) and regulator member (26) located substantially halfway between the two.
  3. The timepiece according to one of claims 1 and 2, characterized in that said mechanism is configured such that the ribbon (10) completes, in the counterclockwise direction, one or several complete rotations in 24 hours.
  4. The timepiece according to one of claims 1 to 3, characterized in that the spring contained in the rollers is, in fact, formed by a plurality of elementary springs arranged side by side.
  5. The timepiece according to one of claims 2 to 4, characterized in that, to allow winding of the two springs, each roller ends, at its other end, with a ratchet (29) meshing, substantially halfway between the two rollers, via a train (30, 31), with a central winding pinion (32) which can be actuated by a control stem (34).
  6. The timepiece according to claim 5, characterized in that, to allow setting of the ribbon, the control stem (34) can turn a shaft (38) arranged parallel to the two rollers in contact with the ribbon, so as to exert a friction thereon which causes it to slide on the rollers.
EP07727506A 2006-03-29 2007-03-29 Ribbon-display timepiece Not-in-force EP2013667B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07727506A EP2013667B1 (en) 2006-03-29 2007-03-29 Ribbon-display timepiece

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06111888A EP1840676A1 (en) 2006-03-29 2006-03-29 Timepiece with band display
EP07727506A EP2013667B1 (en) 2006-03-29 2007-03-29 Ribbon-display timepiece
PCT/EP2007/053034 WO2007110446A2 (en) 2006-03-29 2007-03-29 Ribbon-display timepiece

Publications (2)

Publication Number Publication Date
EP2013667A2 EP2013667A2 (en) 2009-01-14
EP2013667B1 true EP2013667B1 (en) 2010-11-17

Family

ID=37769391

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06111888A Withdrawn EP1840676A1 (en) 2006-03-29 2006-03-29 Timepiece with band display
EP07727506A Not-in-force EP2013667B1 (en) 2006-03-29 2007-03-29 Ribbon-display timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06111888A Withdrawn EP1840676A1 (en) 2006-03-29 2006-03-29 Timepiece with band display

Country Status (6)

Country Link
US (1) US7845846B2 (en)
EP (2) EP1840676A1 (en)
JP (1) JP5149891B2 (en)
AT (1) ATE488789T1 (en)
DE (1) DE602007010608D1 (en)
WO (1) WO2007110446A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101038307B1 (en) 2008-12-23 2011-06-01 윤일 A clock having straight-lined display
CH700744B1 (en) * 2009-04-07 2014-01-31 Francis Gerber endless tape and display timepiece with such a tape.
WO2011057149A2 (en) * 2009-11-05 2011-05-12 Devon Works, LLC Watch assembly having a plurality of time-coordinated belts
AT515741B1 (en) * 2014-04-07 2016-10-15 Fladl Heinz Watch, especially wristwatch
KR102329953B1 (en) 2014-12-03 2021-11-25 삼성디스플레이 주식회사 Rollable display apparatus
KR102520847B1 (en) * 2015-12-31 2023-04-11 엘지디스플레이 주식회사 Smart watch
DE102017005731A1 (en) * 2017-06-16 2018-12-20 Moritz Thomas Zettl Film roll time display for wristwatches / pocket watches
CN110174831B (en) * 2019-04-22 2020-01-07 温州创康家居用品有限公司 Three-color prompting wall clock

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US1027518A (en) * 1911-10-25 1912-05-28 Sebastian Baumgartner-Hartmann Date-indicator for clocks.
US1439120A (en) * 1922-02-09 1922-12-19 Julius F Radtke Automatic calendar
US1536647A (en) * 1923-11-10 1925-05-05 Andresen Amandus Automatic calendar clock
US1998763A (en) * 1931-03-12 1935-04-23 Western Union Telegraph Co Direct reading clock
US2072457A (en) * 1933-05-03 1937-03-02 Ibm Time indicating device
US2775092A (en) * 1952-07-24 1956-12-25 Frank A Howard Mechanical calendar
US2790300A (en) * 1954-01-14 1957-04-30 Lux Clock Mfg Company Inc Calendar clock
CH338150A (en) * 1957-02-28 1959-04-30 Nussle Guillaume Timepiece
US3353347A (en) * 1966-11-30 1967-11-21 James T Gates Reminder clock
JPS4927471U (en) * 1972-06-09 1974-03-08
US4022015A (en) * 1974-02-11 1977-05-10 Bailey James R Time indicating device
JPH0185688U (en) * 1987-11-27 1989-06-07
US5331609A (en) * 1993-10-04 1994-07-19 Gubin Alexander N Clock apparatus
CH705048B1 (en) * 2002-07-09 2012-12-14 Lvmh Swiss Mft Sa A drive by smooth or notched belts a mechanical watch movement.

Also Published As

Publication number Publication date
US7845846B2 (en) 2010-12-07
US20090161496A1 (en) 2009-06-25
WO2007110446A3 (en) 2008-05-08
ATE488789T1 (en) 2010-12-15
WO2007110446A2 (en) 2007-10-04
DE602007010608D1 (en) 2010-12-30
EP1840676A1 (en) 2007-10-03
JP2009531688A (en) 2009-09-03
EP2013667A2 (en) 2009-01-14
JP5149891B2 (en) 2013-02-20

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