EP2915011B1 - Uhr - Google Patents

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Publication number
EP2915011B1
EP2915011B1 EP12781303.8A EP12781303A EP2915011B1 EP 2915011 B1 EP2915011 B1 EP 2915011B1 EP 12781303 A EP12781303 A EP 12781303A EP 2915011 B1 EP2915011 B1 EP 2915011B1
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EP
European Patent Office
Prior art keywords
mobile
timepiece according
movement
dial
toothing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12781303.8A
Other languages
German (de)
French (fr)
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EP2915011A1 (en
Inventor
Anouk Danthe
Olivier Leu
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.)
Creations Horlogeres de Lully SA
Original Assignee
Creations Horlogeres de Lully SA
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Application filed by Creations Horlogeres de Lully SA filed Critical Creations Horlogeres de Lully SA
Publication of EP2915011A1 publication Critical patent/EP2915011A1/en
Application granted granted Critical
Publication of EP2915011B1 publication Critical patent/EP2915011B1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • 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
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • 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
    • G04B45/02—Time pieces of which the clockwork is visible partly or wholly

Definitions

  • This dial comprises two polarized lenses, at least one of which is mounted on a movable frame, so that said polarized lenses can occupy a first state in which elements located behind the dial in reference to the ice are visible from the side of the ice and a second state in which said elements are hidden.
  • the embodiment mainly described proposes to implement a lid associated with the box.
  • the lid When the lid is closed, the two polarized lenses forming the dial do not let the light and only visible on a black background constituted by the dial, needles to indicate, for example the current time.
  • the two polarized glasses allow at least a portion of the light to pass so that the particular indications displayed behind the dial or any openings revealing the movement are visible through the dial.
  • the cover is kinematically connected to the polarized lenses, via a differential providing adequate gearing and to control the positions occupied by the polarized lenses, respectively when the lid is open or closed.
  • the object of the present invention is to solve the aforementioned problems by offering a timepiece with a dial in the form of two polarized lenses, which is simpler, without prejudice to the reliability and quality of the watch. the construction, especially of the watch case.
  • the figure 1 represents in cross section a timepiece according to the invention.
  • the figure 2 illustrates a detail of the construction according to the invention.
  • a timepiece according to the invention. It comprises a box 10 comprising a bottom 12, a middle part 14 and a rotating bezel 16 movably mounted with reference to the middle part 14.
  • the bottom 12 may be at least partially transparent. Aspects of box construction that are not part of the present invention will not be described in detail.
  • a movement 18 is mounted in the box, typically via a casing ring 20.
  • the movement is chronograph type. It makes it possible to display a current time by main display members 22. It also makes it possible to display a time timed by secondary display members 24.
  • the timepiece comprises, in the example, three sub-components. eccentric dials each associated with a small hand, to display information relating to the timed time, possibly a small second or other information relating to the current time.
  • the concept of "small needle” is known to those skilled in the art without the term “small” is a problem of clarity.
  • an ice 26 closes the box.
  • a dial 28 is disposed between the movement 18 and the mirror 26.
  • the dial 28 comprises two polarized lenses 28a and 28b, at least one of which is mounted on a movable frame 30, so that the polarized lenses 28a, 28b can occupy a first state in which elements located behind the dial 28 with reference to the window 26 are visible from the dial side and a second state in which said elements are hidden.
  • the movable frame 30 is pivotally mounted about an axis located at the center of the movement 18. According to the example, only one of the polarized lenses is mobile, the other is fixed.
  • the display members are arranged between the dial 28 and the window 26, so that they are always visible by a user, either on the bottom 12 of the movement 18 when the polarized lenses 28a, 28b are in the first state, on the bottom 12 of the dial 28 when the polarized lenses 28a, 28b are in their second state.
  • the display members which are pivoted in the center of the movement 18, are assembled on tubes which pass through the dial 28 at the center of rotation of the movable frame 30, so that a simple passage of substantially circular shape formed through the dial 28 , makes it possible to carry out the displacements of the mobile frame 30 and the polarized glass which it carries.
  • the display members that are rotated in eccentric sub-dials they are assembled on tubes that pass through the sub-dials in their center. If a simple opening of substantially circular shape, formed in the fixed polarized glass in the center of the sub-dial, is sufficient, however, it is necessary to provide an opening in the form of an arc of a circle, centered on the center of rotation of the mobile frame 30, in the polarized glass carried by the movable frame 30, to allow the passage of the tubes during the movements of the movable frame 30.
  • a kinematic connection is provided, according to the invention, between the rotating bezel 16 and the mobile frame 30.
  • this kinematic connection comprises a first toothing 32 integral with the bezel.
  • the first toothing 32 can be machined in the bezel or attached to it.
  • the teeth can be oriented towards the inside or the outside of the timepiece.
  • the movable frame 30 is also provided with a second toothing 34.
  • the kinematic link also comprises a gear train pivotally mounted on the middle part 14, for kinematically connecting the first toothing 32 and the second toothing 34.
  • the middle part 14 is shaped so as to have a seat 36 which is arranged parallel to the plane defined by the movement 18. This seat 36 is extended by a flange 38, on which is fixed in particular the glass 26.
  • the bezel is pivotally mounted on the middle part 14, being guided by the seat 36 and the flange 38, and extends to cover the flange 38.
  • a stretcher 40 is disposed at the periphery of the box, at the interface between the middle part 14 and the bezel.
  • a housing 42 is formed in the bezel at the interface with the seat 36 and facing it.
  • the gear train is advantageously mounted on the seat 36, in the housing 42.
  • the gear train comprises a first mobile 44 engaged with the first toothing 32.
  • This first mobile 44 is mounted on a shaft 46 which passes through the seat 36 orthogonally and which is pivoted on it.
  • a sealing system such as a seal, is interposed between the shaft 46 and the middle part 14.
  • the gear train also comprises a second mobile 50 assembled on the shaft 46, on the other side of the seat 36. The assembly can be done, according to the proposed example, by a flat screw 52, which makes it possible to clamp the second mobile 50 between the screw head and a flange that has the shaft 46.
  • the gear train further comprises a third mobile 54, located in the same plane as the second mobile 50, the plane being parallel to the defined plane by the movement 18.
  • the third mobile 54 is engaged with the second mobile 50 with the second toothing 34.
  • the third mobile 54 is also pivoted on the middle part 14. It can be connected to a second shaft 48 which, parallel to the first, crosses the seat 36 of the middle part 14.
  • the fact of having a gear train mounted on the middle part 14 and comprising at least two mobiles (50 and 54) located in the same plane parallel to the plane of the movement 18 and at least two mobiles (44 and 50) connected between them by a shaft 46 pivoted on the middle part 14 and orthogonal to it makes it possible to adapt the diameter of the mobiles to the spatial constraints of the box 10, in particular by arranging a mobile of small diameter at the level of the first toothing 32, where the space available between the bezel and the middle part 14 is very limited.
  • kinematic connection can also make it possible to easily adjust the number of mobiles located in the same plane, to mesh with the second toothing 34, in any position, depending on the specific constraints of a construction, especially to specifically operate a mobile frame associated with a particular sub-dial or a particular dial area.
  • each of the mobile frames is associated with a particular area of the dial, for example at one or other of the sub-dials.
  • each of the two polarized lenses 28a, 28b on a mobile frame 30 and to draw them both by the rotating bezel, by means of a first and a second kinematic links, such as mentioned above. It is thus possible, for example, by rotating each of the frames in two opposite directions, to have a change of state by means of a limited rotation of the telescope.
  • a notch typically by means of one or more ball pawls 56, secured to the rotating bezel 16 or the seat 36.
  • the ball or pawls can cooperate with a recess 58 formed in the seat 36 or in the rotating bezel 16, respectively.
  • engagement of the notching when the polarized lenses 28a, 28b are respectively in their first and in their second states and only in these states in order to clearly indicate to the user that the rotating bezel 16 is in the position corresponding to these states.
  • the successive actuating positions of the various frames can be signified by several notched positions.
  • these extreme positions can be defined by stops made between the mobile frame 30 and a reference element, for example the middle 14.
  • a clutch, friction / lanternage in the gear train typically at the level of one of the mobiles mounted on the first Alternatively, the clutch can be achieved by having teeth of limited length, so that it is not possible to drive the frame beyond these extreme positions.
  • a spring system ideally arranged on the stops, to avoid latency or blocking, when actuated in the reverse direction of the movable frame 30.
  • control member which would be kinematically connected to one of the polarized lenses, like what has been described above, by example via a mobile frame.
  • control member it is thus possible for the control member to be in the form of a slide mounted movably with reference to the box, this slide being associated with a rack which meshes with the first mobile of a gear train.
  • the slide can be mounted movable in translation or rotation typically at the periphery of the box.
  • the slide In the case of translational movement of the slide, it can then be kinematically connected to a flexible polarized lens arranged to be moved between a first position in which it forms the first state of the dial superimposed with the other glass polarized and a second position in which it forms the second state of the dial and does not appear in superposition with the other polarized glass. It can then be wrapped in a slot of the box or retracted on the other side of the movement.
  • the control member then advantageously drives a roller around which can take place the flexible polarized glass. We thus obtain a curtain effect that moves in translation to "open" or "close” on the dial.

Description

Domaine techniqueTechnical area

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, une pièce d'horlogerie comprenant :

  • une boîte,
  • un mouvement logé dans la boîte,
  • une glace fermant la boîte,
  • un cadran disposé entre le mouvement et la glace.
The present invention relates to the field of watchmaking. It relates, more particularly, to a timepiece comprising:
  • a box,
  • a movement housed in the box,
  • an ice cream closing the box,
  • a dial arranged between the movement and the ice.

Ce cadran comprend deux verres polarisés, dont l'un au moins est monté sur un cadre mobile, de manière à ce que lesdits verres polarisés puissent occuper un premier état dans lequel des éléments situés derrière le cadran en référence à la glace sont visibles depuis le côté de la glace et un deuxième état dans lequel lesdits éléments sont cachés.This dial comprises two polarized lenses, at least one of which is mounted on a movable frame, so that said polarized lenses can occupy a first state in which elements located behind the dial in reference to the ice are visible from the side of the ice and a second state in which said elements are hidden.

Etat de la techniqueState of the art

La demanderesse est déjà titulaire du brevet EP21859979 , dans lequel est décrite une pièce d'horlogerie telle que définie dans le préambule ci-dessus. Le mode de réalisation principalement décrit propose de mettre en oeuvre un couvercle associé à la boîte. Lorsque le couvercle est fermé, les deux verres polarisés formant le cadran ne laissent pas passer la lumière et seules sont visibles sur un fond noir constitué par le cadran, des aiguilles pour indiquer, par exemple le temps courant. Lorsque le couvercle est ouvert, les deux verres polarisés laissent passer au moins une partie de la lumière de manière à ce que les indications particulières affichées derrière le cadran ou d'éventuelles ouvertures laissant apparaître le mouvement, soient visibles au travers du cadran.The applicant already holds the EP21859979 , in which is described a timepiece as defined in the preamble above. The embodiment mainly described proposes to implement a lid associated with the box. When the lid is closed, the two polarized lenses forming the dial do not let the light and only visible on a black background constituted by the dial, needles to indicate, for example the current time. When the lid is open, the two polarized glasses allow at least a portion of the light to pass so that the particular indications displayed behind the dial or any openings revealing the movement are visible through the dial.

Dans le document précité, le couvercle est relié cinématiquement aux verres polarisés, par l'intermédiaire d'un différentiel assurant une démultiplication adéquate et permettant de contrôler les positions occupées par les verres polarisés, respectivement lorsque le couvercle est ouvert ou fermé.In the aforementioned document, the cover is kinematically connected to the polarized lenses, via a differential providing adequate gearing and to control the positions occupied by the polarized lenses, respectively when the lid is open or closed.

Il est également proposé, dans ce document, d'agir sur les verres polarisés, par l'intermédiaire d'une lunette tournante, sans toutefois décrire précisément comment la lunette tournante serait reliée à l'entrée différentiel. On propose également de relier le couvercle et les verres polarisés, par un train de renvois, par exemple pour aller actionner un verre polarisé de petite dimension, disposé sur un sous-cadran.It is also proposed, in this document, to act on the polarized lenses, via a rotating bezel, without however describe precisely how the rotating bezel would be connected to the differential input. It is also proposed to connect the lid and the polarized lenses, by a train of references, for example to operate a polarized lens of small size, arranged on a sub-dial.

La mise en oeuvre d'un différentiel dans le dispositif décrit dans le document EP21859979 , a l'avantage de permettre d'obtenir un rapport de réduction important dans un espace réduit. Cependant, sa mise en oeuvre est complexe et la boîte de montre intégrant ce différentiel est, à elle seule, une véritable complication horlogère.The implementation of a differential in the device described in the document EP21859979 , has the advantage of allowing to obtain a significant reduction ratio in a small space. However, its implementation is complex and the watch case incorporating this differential is, in itself, a true horological complication.

Dans le but d'obtenir une construction de boîte plus simple, on peut effectivement supprimer le différentiel et supprimer le couvercle, en actionnant les verres polarisés par une lunette tournante. Toutefois, la mise en oeuvre d'une telle solution ne va pas soi. En effet, la solution immédiate auquel on pourrait penser, serait une solidarisation directe de la lunette tournante et de l'un des verres polarisés, mais cela n'est pas sans poser de problèmes d'étanchéité. Par ailleurs, si l'on veut créer une liaison cinématique entre une telle lunette tournante et au moins un des verres polarisés lorsque ces verres ont des dimensions qui permettent de recouvrir tout le cadran, on se retrouve face à des contraintes spatiales particulièrement délicates si l'on veut rendre invisible la liaison cinématique.In order to achieve a simpler box construction, one can effectively remove the differential and remove the lid, by operating the polarized glasses by a rotating bezel. However, the implementation of such a solution is not enough. Indeed, the immediate solution that one might think, would be a direct attachment of the rotating bezel and one of the polarized lenses, but this is not without problems sealing. Moreover, if one wants to create a kinematic connection between such a rotating bezel and at least one of the polarized lenses when these glasses have dimensions that cover the entire dial, we find ourselves facing particularly delicate spatial constraints if we want to make the kinematic link invisible.

Par ailleurs, le document US 3 874 163 A décrit une montre analogue à celle de EP21859979 comportant deux verres polarisés mobiles dans la boite de la montre.In addition, the document US 3,874,163 A describes a watch similar to that of EP21859979 with two polarized glasses moving in the box of the watch.

La présente invention a pour but de résoudre les problèmes susmentionnés, en offrant une mise en oeuvre d'une pièce d'horlogerie dotée d'un cadran sous forme de deux verres polarisés, plus simple, sans préjudice de la fiabilité et de la qualité de la construction, notamment de la boîte de montre.The object of the present invention is to solve the aforementioned problems by offering a timepiece with a dial in the form of two polarized lenses, which is simpler, without prejudice to the reliability and quality of the watch. the construction, especially of the watch case.

Divulguation de l'inventionDisclosure of the invention

De façon plus précise, l'invention concerne une pièce d'horlogerie telle que définie au premier paragraphe ci-dessus, dans laquelle la boîte comprend un fond, une carrure et une lunette tournante montée mobile en référence à la carrure. Selon l'invention, elle comprend une liaison cinématique entre la lunette tournante et le cadre mobile. La liaison cinématique comprend :

  • une première denture solidaire de la lunette,
  • une deuxième denture solidaire du cadre mobile située dans un plan différent de celui de la première denture, et
  • un train de renvois reliant cinématiquement la première denture et la deuxième denture, ledit train de renvois étant monté sur la carrure et comprenant au moins deux mobiles situés dans un même plan parallèle au plan du mouvement et au moins deux mobiles reliés entre eux par un arbre pivoté sur la carrure et orthogonal à elle.
More specifically, the invention relates to a timepiece as defined in the first paragraph above, wherein the box comprises a bottom, a middle part and a rotating bezel movably mounted with reference to the middle part. According to the invention, it comprises a kinematic connection between the rotating bezel and the mobile frame. The kinematic connection comprises:
  • a first set of teeth of the telescope,
  • a second toothing secured to the movable frame located in a plane different from that of the first toothing, and
  • a gear train connecting kinematically the first toothing and the second toothing, said gear train being mounted on the middle part and comprising at least two mobiles located in the same plane parallel to the plane of movement and at least two mobiles connected to each other by a shaft rotated on the middle part and orthogonal to it.

Brève description des dessinsBrief description of the drawings

D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence aux figures annexées. La figure 1 représente en coupe transversale une pièce d'horlogerie selon l'invention. La figure 2 illustre un détail de la construction selon l'invention.Other details of the invention will emerge more clearly on reading the description which follows, made with reference to the appended figures. The figure 1 represents in cross section a timepiece according to the invention. The figure 2 illustrates a detail of the construction according to the invention.

Mode de réalisation de l'inventionEmbodiment of the invention

On peut voir sur les figures une pièce d'horlogerie selon l'invention. Elle comporte une boîte 10 comprenant un fond 12, une carrure 14 et une lunette tournante 16 montée mobile en référence à la carrure 14. Le fond 12 peut être au moins partiellement transparent. Les aspects de la construction de la boîte qui ne font pas partie de la présente invention ne seront pas décrits en détails.We can see in the figures a timepiece according to the invention. It comprises a box 10 comprising a bottom 12, a middle part 14 and a rotating bezel 16 movably mounted with reference to the middle part 14. The bottom 12 may be at least partially transparent. Aspects of box construction that are not part of the present invention will not be described in detail.

Un mouvement 18 est monté dans la boîte, typiquement par l'intermédiaire d'un cercle d'encageage 20. Dans l'exemple, le mouvement est de type chronographe. Il permet d'afficher un temps courant par des organes d'affichage principaux 22. Il permet également d'afficher un temps chronométré par des organes d'affichages secondaires 24. La pièce d'horlogerie comprend, dans l'exemple, trois sous-cadrans excentrés associés chacun à une petite aiguille, pour afficher des informations relatives au temps chronométré, éventuellement une petite seconde ou d'autres informations relatives au temps courant. La notion de « petite aiguille » est connue de l'homme du métier sans que le terme « petit » pose un problème de clarté.A movement 18 is mounted in the box, typically via a casing ring 20. In the example, the movement is chronograph type. It makes it possible to display a current time by main display members 22. It also makes it possible to display a time timed by secondary display members 24. The timepiece comprises, in the example, three sub-components. eccentric dials each associated with a small hand, to display information relating to the timed time, possibly a small second or other information relating to the current time. The concept of "small needle" is known to those skilled in the art without the term "small" is a problem of clarity.

De manière conventionnelle, une glace 26 ferme la boîte. Un cadran 28 est disposé entre le mouvement 18 et la glace 26. Le cadran 28 comprend deux verres polarisés 28a et 28b, dont l'un 28a au moins est monté sur un cadre mobile 30, de manière à ce que les verres polarisés 28a, 28b puissent occuper un premier état dans lequel des éléments situés derrière le cadran 28 en référence à la glace 26 sont visibles depuis le côté cadran et un deuxième état dans lequel lesdits éléments sont cachés. Le cadre mobile 30 est monté pivotant autour d'un axe situé au centre du mouvement 18. Selon l'exemple, seul un des verres polarisés est mobile, l'autre est fixe.Conventionally, an ice 26 closes the box. A dial 28 is disposed between the movement 18 and the mirror 26. The dial 28 comprises two polarized lenses 28a and 28b, at least one of which is mounted on a movable frame 30, so that the polarized lenses 28a, 28b can occupy a first state in which elements located behind the dial 28 with reference to the window 26 are visible from the dial side and a second state in which said elements are hidden. The movable frame 30 is pivotally mounted about an axis located at the center of the movement 18. According to the example, only one of the polarized lenses is mobile, the other is fixed.

Dans l'exemple illustré, les organes d'affichage sont disposés entre le cadran 28 et la glace 26, de sorte qu'ils sont toujours visibles par un utilisateur, soit sur fond 12 du mouvement 18 lorsque les verres polarisés 28a, 28b sont dans le premier état, soit sur fond 12 du cadran 28 lorsque les verres polarisés 28a, 28b sont dans leur deuxième état. Les organes d'affichage qui sont pivotés au centre du mouvement 18, sont assemblés sur des tubes qui traversent le cadran 28 au centre de rotation du cadre mobile 30, de sorte qu'un simple passage de forme sensiblement circulaire ménagé au travers du cadran 28, permet de réaliser les déplacements du cadre mobile 30 et du verre polarisé qu'il porte.In the example shown, the display members are arranged between the dial 28 and the window 26, so that they are always visible by a user, either on the bottom 12 of the movement 18 when the polarized lenses 28a, 28b are in the first state, on the bottom 12 of the dial 28 when the polarized lenses 28a, 28b are in their second state. The display members which are pivoted in the center of the movement 18, are assembled on tubes which pass through the dial 28 at the center of rotation of the movable frame 30, so that a simple passage of substantially circular shape formed through the dial 28 , makes it possible to carry out the displacements of the mobile frame 30 and the polarized glass which it carries.

Concernant les organes d'affichage qui sont pivotés dans des sous-cadrans excentrés, ils sont assemblés sur des tubes qui traversent les sous-cadrans en leur centre. Si une simple ouverture de forme sensiblement circulaire, ménagée dans le verre polarisé fixe au centre du sous-cadran, est suffisante, en revanche, il faut prévoir de ménager une ouverture en forme d'arc de cercle, centrée sur le centre de rotation du cadre mobile 30, dans le verre polarisé porté par le cadre mobile 30, pour permettre le passage des tubes lors des déplacements du cadre mobile 30.Regarding the display members that are rotated in eccentric sub-dials, they are assembled on tubes that pass through the sub-dials in their center. If a simple opening of substantially circular shape, formed in the fixed polarized glass in the center of the sub-dial, is sufficient, however, it is necessary to provide an opening in the form of an arc of a circle, centered on the center of rotation of the mobile frame 30, in the polarized glass carried by the movable frame 30, to allow the passage of the tubes during the movements of the movable frame 30.

Pour le déplacement du cadre mobile 30 et donc de l'un 28a des verres polarisés, on prévoit, conformément à l'invention, une liaison cinématique entre la lunette tournante 16 et le cadre mobile 30. De manière avantageuse, cette liaison cinématique comprend une première denture 32 solidaire de la lunette. La première denture 32 peut être usinée dans la lunette ou rapportée sur elle. La denture peut être orientée en direction de l'intérieur ou de l'extérieur de la pièce d'horlogerie. Le cadre mobile 30 est également doté d'une deuxième denture 34.For the displacement of the mobile frame 30 and therefore of the polarized glasses 28a, a kinematic connection is provided, according to the invention, between the rotating bezel 16 and the mobile frame 30. Advantageously, this kinematic connection comprises a first toothing 32 integral with the bezel. The first toothing 32 can be machined in the bezel or attached to it. The teeth can be oriented towards the inside or the outside of the timepiece. The movable frame 30 is also provided with a second toothing 34.

La liaison cinématique comprend également un train de renvois monté pivotant sur la carrure 14, destiné à relié cinématiquement la première denture 32 et la deuxième denture 34. Comme on peut le voir sur les dessins, la carrure 14 est conformée de manière à présenter une assise 36 ménagée parallèlement au plan défini par le mouvement 18. Cette assise 36 se prolonge par un rehaut 38, sur lequel est notamment fixée la glace 26. Par ailleurs, la lunette est montée pivotante sur la carrure 14, en étant guidée par l'assise 36 et le rehaut 38, et s'étend jusqu'à recouvrir le rehaut 38. Enfin, un brancard 40 est disposé à la périphérie de la boîte, à l'interface entre la carrure 14 et la lunette.The kinematic link also comprises a gear train pivotally mounted on the middle part 14, for kinematically connecting the first toothing 32 and the second toothing 34. As can be seen in the drawings, the middle part 14 is shaped so as to have a seat 36 which is arranged parallel to the plane defined by the movement 18. This seat 36 is extended by a flange 38, on which is fixed in particular the glass 26. Furthermore, the bezel is pivotally mounted on the middle part 14, being guided by the seat 36 and the flange 38, and extends to cover the flange 38. Finally, a stretcher 40 is disposed at the periphery of the box, at the interface between the middle part 14 and the bezel.

Un logement 42 est ménagé dans la lunette, à l'interface avec l'assise 36 et en regard d'elle. Le train de renvois est avantageusement monté sur l'assise 36, dans le logement 42.A housing 42 is formed in the bezel at the interface with the seat 36 and facing it. The gear train is advantageously mounted on the seat 36, in the housing 42.

Plus particulièrement, le train de renvois comprend un premier mobile 44 en prise avec la première denture 32. Ce premier mobile 44 est monté sur un arbre 46 qui traverse l'assise 36 orthogonalement et qui est pivoté sur elle. Un système d'étanchéification, tel qu'un joint, est intercalé entre l'arbre 46 et la carrure 14. Le train de renvois comprend également un deuxième mobile 50 assemblé sur l'arbre 46, de l'autre côté de l'assise 36. L'assemblage peut se faire, selon l'exemple proposé, par une vis plate 52, qui permet de serrer le deuxième mobile 50 entre la tête de vis et un rebord que présente l'arbre 46.More particularly, the gear train comprises a first mobile 44 engaged with the first toothing 32. This first mobile 44 is mounted on a shaft 46 which passes through the seat 36 orthogonally and which is pivoted on it. A sealing system, such as a seal, is interposed between the shaft 46 and the middle part 14. The gear train also comprises a second mobile 50 assembled on the shaft 46, on the other side of the seat 36. The assembly can be done, according to the proposed example, by a flat screw 52, which makes it possible to clamp the second mobile 50 between the screw head and a flange that has the shaft 46.

Le train de renvois comporte encore un troisième mobile 54, situé dans un même plan que le deuxième mobile 50, le plan étant parallèle au plan défini par le mouvement 18. Le troisième mobile 54 est en prise avec le deuxième mobile 50 avec la deuxième denture 34. Le troisième mobile 54 est également pivoté sur la carrure 14. Il peut être relié à un deuxième arbre 48 qui, parallèlement au premier, traverse l'assise 36 de la carrure 14.The gear train further comprises a third mobile 54, located in the same plane as the second mobile 50, the plane being parallel to the defined plane by the movement 18. The third mobile 54 is engaged with the second mobile 50 with the second toothing 34. The third mobile 54 is also pivoted on the middle part 14. It can be connected to a second shaft 48 which, parallel to the first, crosses the seat 36 of the middle part 14.

Ainsi, le fait de disposer d'un train de renvois monté sur la carrure 14 et comprenant au moins deux mobiles (50 et 54) situés dans un même plan parallèle au plan du mouvement 18 et au moins deux mobiles (44 et 50) reliés entre eux par un arbre 46 pivoté sur la carrure 14 et orthogonal à elle, permet d'adapter le diamètre des mobiles aux contraintes spatiales de la boîte 10, notamment en disposant un mobile de petit diamètre au niveau de la première denture 32, là où l'espace disponible entre la lunette et la carrure 14, est très limité. Il est en outre possible d'introduire un rapport de démultiplication entre le deuxième 50 et le troisième 54 mobiles, afin d'améliorer l'ergonomie de l'actionnement des verres polarisés 28a, 28b, c'est-à-dire en ajustant l'angle de rotation de la lunette nécessaire au passage des verres polarisés 28a, 28b d'un état à un autre.Thus, the fact of having a gear train mounted on the middle part 14 and comprising at least two mobiles (50 and 54) located in the same plane parallel to the plane of the movement 18 and at least two mobiles (44 and 50) connected between them by a shaft 46 pivoted on the middle part 14 and orthogonal to it, makes it possible to adapt the diameter of the mobiles to the spatial constraints of the box 10, in particular by arranging a mobile of small diameter at the level of the first toothing 32, where the space available between the bezel and the middle part 14 is very limited. It is also possible to introduce a gear ratio between the second 50 and the third 54 mobiles, to improve the ergonomics of the operation of polarized lenses 28a, 28b, that is to say by adjusting the angle of rotation of the telescope required for the passage of polarized lenses 28a, 28b from one state to another.

La mise en oeuvre d'une telle liaison cinématique peut également permettre d'ajuster aisément le nombre de mobiles situés dans un même plan, pour réaliser l'engrènement avec la deuxième denture 34, en une position quelconque, en fonction des contraintes spécifiques d'une construction, notamment pour aller actionner spécifiquement un cadre mobile associé à un sous-cadran particulier ou à une zone du cadran particulière.The implementation of such a kinematic connection can also make it possible to easily adjust the number of mobiles located in the same plane, to mesh with the second toothing 34, in any position, depending on the specific constraints of a construction, especially to specifically operate a mobile frame associated with a particular sub-dial or a particular dial area.

On peut également prévoir d'entraîner, à partir d'une liaison cinématique adaptée, plusieurs cadres mobiles, portant chacun un verre polarisé. De préférence, chacun des cadres mobiles est associé à une zone particulière du cadran, par exemple à l'un ou l'autre des sous-cadrans. Sur cette base, on peut prévoir d'actionner les différents cadres mobiles de manière coordonnée et synchronisée, simultanément ou séquentiellement.It is also possible to drive, from a suitable kinematic connection, several mobile frames, each carrying a polarized lens. Preferably, each of the mobile frames is associated with a particular area of the dial, for example at one or other of the sub-dials. On this basis, it is possible to operate the different mobile frames in a coordinated and synchronized manner, simultaneously or sequentially.

A partir du mode de réalisation qui vient d'être décrit, on pourrait encore prévoir de disposer chacun des deux verres polarisés 28a, 28b sur un cadre mobile 30 et de les entraîner tous les deux par la lunette tournette, au moyen d'une première et d'une deuxième liaisons cinématiques, telles que mentionnées ci-dessus. On peut ainsi, par exemple, en assurant une rotation de chacun des cadres dans deux directions opposées, avoir un changement d'état au moyen d'une rotation limitée de la lunette. On pourrait avoir le premier mobile qui soit commun aux deux chaînes cinématiques et monter deux mobiles à des niveaux différents sur l'arbre, l'un faisant partie de la première liaison cinématique et l'autre faisant partie de la deuxième liaison cinématique.From the embodiment which has just been described, provision could be made to arrange each of the two polarized lenses 28a, 28b on a mobile frame 30 and to draw them both by the rotating bezel, by means of a first and a second kinematic links, such as mentioned above. It is thus possible, for example, by rotating each of the frames in two opposite directions, to have a change of state by means of a limited rotation of the telescope. One could have the first mobile common to both kinematic chains and mount two mobiles at different levels on the shaft, one being part of the first kinematic link and the other part of the second kinematic link.

Avec cette liaison cinématique, on peut même envisager de coupler l'actionnement des verres polarisés 28a, 28b à une autre fonction effectuée également par l'intermédiaire de la lunette, en interaction avec le mouvement 18, notamment une fonction de réglage d'un affichage.With this kinematic connection, it is even conceivable to couple the operation of the polarized lenses 28a, 28b to another function also performed via the telescope, in interaction with the movement 18, in particular a display adjustment function. .

Entre la lunette tournante 16 et la carrure 14, plus particulièrement l'assise 36, on peut encore prévoir de réaliser un crantage, typiquement au moyen d'un ou plusieurs cliquets à bille 56, solidaire de la lunette tournante 16 ou de l'assise 36. La bille du ou des cliquets peut coopérer avec une creusure 58 ménagée dans l'assise 36 ou dans la lunette tournante 16, respectivement. Il y a avantageusement engagement du crantage lorsque les verres polarisés 28a, 28b sont respectivement dans leur premier et dans leur deuxième états et seulement dans ces états, afin de signifier clairement à l'utilisateur que la lunette tournante 16 est dans la position qui correspond à ces états. Selon l'exemple, il y a engagement du crantage lorsque la bille s'encliquète dans la creusure. Dans le cas des variantes avec plusieurs cadres mobiles actionnés de manière séquentielle, les positions successives d'actionnement des différents cadres, peuvent être signifiées par plusieurs positions crantées.Between the rotating bezel 16 and the middle 14, more particularly the seat 36, it is also possible to provide a notch, typically by means of one or more ball pawls 56, secured to the rotating bezel 16 or the seat 36. The ball or pawls can cooperate with a recess 58 formed in the seat 36 or in the rotating bezel 16, respectively. Advantageously, engagement of the notching when the polarized lenses 28a, 28b are respectively in their first and in their second states and only in these states, in order to clearly indicate to the user that the rotating bezel 16 is in the position corresponding to these states. According to the example, there is commitment of notching when the ball snaps into the recess. In the case of variants with several mobile frames actuated sequentially, the successive actuating positions of the various frames can be signified by several notched positions.

Pour éviter que le cadre mobile 30 soit entraîné au-delà d'une première et d'une deuxième positions extrêmes, correspondant respectivement au premier et au deuxième états des verres polarisés 28a, 28b, ces positions extrêmes peuvent être définies par des butées réalisées entre le cadre mobile 30 et un élément de référence, par exemple la carrure 14. Afin de ne pas endommager le dispositif si on force sur la butée, l'homme du métier pourra introduire un débrayage, par friction/lanternage dans le train de renvois, typiquement au niveau de l'un des mobiles montés sur le premier arbre 46. Alternativement, le débrayage peut être réalisé en disposant des dentures de longueur limitée, de sorte qu'il ne soit pas possible d'entraîner le cadre au-delà de ces positions extrêmes. On prévoira un système ressort, idéalement arrangé sur les butées, pour éviter un temps de latence ou un blocage, lors d'un actionnement en direction inverse du cadre mobile 30. Plus précisément, on peut soit disposer une butée susceptible d'être déplacée légèrement en cas d'appui, le déplacement de la butée entraînant une mise en contrainte d'un ressort à-même de repousser la butée. On peut aussi avoir une zone élastique sur la butée, soit en réalisant une butée souple et élastique ou en interposant un organe ressort entre la butée et l'élément (cadre mobile 30 ou lunette) qui vient buter sur elle.To prevent the moving frame 30 from being driven past a first and a second extreme position, respectively corresponding to the first and second states of the polarized lenses 28a, 28b, these extreme positions can be defined by stops made between the mobile frame 30 and a reference element, for example the middle 14. In order not to damage the device if it is forced on the abutment, the skilled person may introduce a clutch, friction / lanternage in the gear train, typically at the level of one of the mobiles mounted on the first Alternatively, the clutch can be achieved by having teeth of limited length, so that it is not possible to drive the frame beyond these extreme positions. There will be provided a spring system, ideally arranged on the stops, to avoid latency or blocking, when actuated in the reverse direction of the movable frame 30. More specifically, one can have a stop that can be moved slightly in case of support, the movement of the stop causing a stressing of a spring to push the stop. It is also possible to have an elastic zone on the abutment, either by producing a resilient and resilient abutment or by interposing a spring member between the abutment and the element (movable frame 30 or bezel) which abuts on it.

Dans une variante supplémentaire non représentée, on peut encore prévoir de remplacer la lunette tournante 16 par un autre organe de commande qui serait relié cinématiquement à l'un des verres polarisés, à l'instar de ce qui a été décrit ci-dessus, par exemple via un cadre mobile. Avantageusement, on peut ainsi prévoir que l'organe de commande soit réalisé sous forme d'une glissière montée mobile en référence à la boîte, cette glissière étant associée à une crémaillère qui engrène avec le premier mobile d'un train de renvois. La glissière peut être montée mobile en translation ou en rotation typiquement à la périphérie de la boîte. Dans le cas d'un déplacement en translation de la glissière, on pourra alors la relier cinématiquement à un verre polarisé souple agencé de manière à être déplacé entre une première position dans laquelle il forme le premier état du cadran en superposition avec l'autre verre polarisé et une deuxième position dans laquelle il forme le deuxième état du cadran et n'apparaît pas en superposition avec l'autre verre polarisé. Il peut alors être enroulé dans un logement de la boîte ou escamoté de l'autre côté du mouvement. L'organe de commande entraîne alors avantageusement un rouleau autour duquel peut prendre place le verre polarisé souple. On obtient ainsi un effet de rideau qui se déplace en translation pour « s'ouvrir » ou « se fermer » sur le cadran.In a further variant not shown, it is also possible to replace the rotating bezel 16 by another control member which would be kinematically connected to one of the polarized lenses, like what has been described above, by example via a mobile frame. Advantageously, it is thus possible for the control member to be in the form of a slide mounted movably with reference to the box, this slide being associated with a rack which meshes with the first mobile of a gear train. The slide can be mounted movable in translation or rotation typically at the periphery of the box. In the case of translational movement of the slide, it can then be kinematically connected to a flexible polarized lens arranged to be moved between a first position in which it forms the first state of the dial superimposed with the other glass polarized and a second position in which it forms the second state of the dial and does not appear in superposition with the other polarized glass. It can then be wrapped in a slot of the box or retracted on the other side of the movement. The control member then advantageously drives a roller around which can take place the flexible polarized glass. We thus obtain a curtain effect that moves in translation to "open" or "close" on the dial.

Claims (14)

  1. A timepiece comprising:
    - a box (10) comprising a bottom (12), a middle (14) and a control organ (16) mounted movably relative to the middle (14),
    - a movement (18) housed in the box,
    - a glass (26) closing the box,
    - a dial (28) positioned between the movement (18) and the glass (26), said dial comprising two polarized lenses (28a, 28b), at least one of which is mounted on a movable frame (30), such that said polarized lenses (28a, 28b) can occupy a first state in which elements situated behind the dial (28) in reference to the glass (26) are visible from the side of the glass (26), and a second state in which said elements are hidden
    characterized in that it comprises a kinematic link between the control organ (16) and the movable frame (30) and in that said kinematic link comprises a first toothing (32) secured to the control organ, a second toothing (34) secured to the movable frame (30) situated in a plane different from that of the first toothing (32), and an intermediate wheel train kinematically connecting the first toothing (32) and the second toothing (34), said intermediate wheel train being pivoted on the middle (14) and comprising at least two mobiles situated in a same plane parallel to the plane defined by the movement (18) and at least two mobiles connected to each other by an arbor (46) pivoted on the middle (14) and orthogonal thereto.
  2. The timepiece according to claim 1, characterized in that said intermediate wheel train comprises a first mobile (44) engaged with the first toothing (32), said first mobile (44) being mounted on said arbor (46) that crosses through the middle (14) orthogonally and is pivoted thereon, and
    in that said intermediate wheel train also comprises a second mobile (50) assembled on the arbor (46), on the other side of the middle (14).
  3. The timepiece according to claim 2, characterized in that said intermediate wheel train also comprises a third mobile (54), situated in a same plane as the second mobile (50), the plane being parallel to the plane defined by the movement (18), and in that said third mobile (54) is engaged with the second mobile (50).
  4. The timepiece according to claim 3, characterized in that said third mobile (54) is also engaged with said second toothing (34).
  5. The timepiece according to one of claims 3 and 4, characterized in that the third mobile (54) is connected to a second arbor (48) which, parallel to the first, crosses through the middle (14).
  6. The timepiece according to one of the preceding claims, characterized in that the middle (14) has a seat (36) arranged parallel to the plane defined by the movement (18).
  7. The timepiece according to one of the preceding claims, characterized in that said control organ is a rotating bezel (16).
  8. The timepiece according to claims 6 and 7, characterized in that it comprises a housing (42) arranged in the rotating bezel (16), at the interface with the seat (36) and across from it, said intermediate wheel train being advantageously mounted on the seat (36), in the housing (42).
  9. The timepiece according to one of claims 7 and 8, characterized in that it comprises a notching between the rotating bezel (16) and the middle (14), said notching defining an engagement when the polarized lenses (28a, 28b) are in their first and second states, respectively.
  10. The timepiece according to one of the preceding claims, characterized in that the positions of the movable frame (30) corresponding to the first and second states are defined by banking and in that said kinematic link comprises a disconnecting gear.
  11. The timepiece according to one of the preceding claims, characterized in that each of the polarized lenses (28a, 28b) is mounted on a movable frame (30) and in that it comprises, aside from said kinematic link for driving said movable frame, a second kinematic link arranged to kinematically connect said control organ and a second movable frame.
  12. The timepiece according to one of the preceding claims, characterized in that said dial (28) covers the entire movement (18) visible through the glass (26).
  13. The timepiece according to one of claims 1 to 11, characterized in that said dial (28) is a sub-dial (28) that is off-centered relative to the center of the movement (18).
  14. The timepiece according to one of the preceding claims, characterized in that said kinematic link may be connected to the movement (18) to perform an additional function, in particular an adjustment function.
EP12781303.8A 2012-10-30 2012-10-30 Uhr Active EP2915011B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/071505 WO2014067564A1 (en) 2012-10-30 2012-10-30 Timepiece

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EP2915011A1 EP2915011A1 (en) 2015-09-09
EP2915011B1 true EP2915011B1 (en) 2017-08-16

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US (1) US20150261190A1 (en)
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JP (1) JP2015536454A (en)
KR (1) KR20150082306A (en)
CN (1) CN104854518A (en)
CH (1) CH707141B1 (en)
RU (1) RU2015117654A (en)
WO (1) WO2014067564A1 (en)

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CN110426943B (en) * 2019-08-09 2022-05-24 深圳市飞亚达精密科技有限公司 Connecting structure of watch case and back cover

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Publication number Publication date
CH707141B1 (en) 2016-04-15
CH707141A2 (en) 2014-04-30
CN104854518A (en) 2015-08-19
RU2015117654A (en) 2016-12-20
US20150261190A1 (en) 2015-09-17
WO2014067564A1 (en) 2014-05-08
KR20150082306A (en) 2015-07-15
EP2915011A1 (en) 2015-09-09
JP2015536454A (en) 2015-12-21

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