EP2565726A2 - Command device for timepieces - Google Patents
Command device for timepieces Download PDFInfo
- Publication number
- EP2565726A2 EP2565726A2 EP12182738A EP12182738A EP2565726A2 EP 2565726 A2 EP2565726 A2 EP 2565726A2 EP 12182738 A EP12182738 A EP 12182738A EP 12182738 A EP12182738 A EP 12182738A EP 2565726 A2 EP2565726 A2 EP 2565726A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- pin
- groove
- timepiece
- free end
- 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
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- 230000000284 resting effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
- G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
Definitions
- the subject of the present invention is a control device for a clockwork part, comprising a control lever adapted to occupy a first rest position and, on actuation of a pushbutton or other control member, a second position of actuation, the device comprising a spring for defining a threshold value for the necessary actuating force on said push button so that the control lever moves from its first position to its second position.
- This kind of device is in principle known, for example documents EP 0 240 778 or EP 0 498 212 , and is intended to provide a dynamic spring for use in combination with a pusher or other similar control device.
- a dynamic spring makes it possible to define a certain threshold value for the force needed to overcome its lifting and thus to trigger the command. Once the dynamic spring is lifted, the available force pushes the control to the end of the function without additional effort. By thus ensuring a complete function of the control, such a dynamic spring makes it possible to provide a pusher or other control device with a high level of security with regard to its activation or even non-activation.
- the purpose of the present invention is therefore to overcome the drawbacks of known devices and to achieve the aforementioned advantages, in particular to allow the realization of a control device, equipped with a dynamic spring, which is simple in its design and reliable when of its operation, without increasing the complexity, the volume occupied, or even the production costs of the device.
- the present invention proposes a control device of the aforementioned type, in particular for a mechanical timepiece, which is distinguished by the characteristics set forth in claim 1, as well as a corresponding timepiece comprising such a device.
- the control lever comprises a projecting element cooperating with said spring, said projecting element comprising on its circumference at least one first guide means adapted to cooperate with at least one second guide means mounted on a fixed structure of the timepiece.
- the projecting element is formed by a pin
- the first guide means is formed by a groove arranged on the circumference of this pin of the control lever
- the second means guide is formed by a guide portion arranged on said spring which is mounted on the frame of the timepiece, at least said spring guide portion being housed in the groove.
- the groove and / or the spring are specifically arranged, leading to other corresponding advantages.
- the control device may for example be arranged to be ideally suited for use in combination with either a flip-flop or a monostable push-button.
- a control device is intended to be integrated in a timepiece, preferably in a mechanical watch, especially in a wristwatch.
- the control device can for example be connected to a flip-flop or a monostable pusher of the timepiece, or to any other such control mechanism, regardless of the function controlled by the device and the type of the timepiece.
- the control device comprises a control lever 1 adapted to occupy a first rest position and, on actuation of a push button or other non-illustrated control member, a second actuating position.
- the control lever 1 is normally pivotally mounted about an axis 1.1 on the frame 4 of the watch, which is not illustrated in detail in the figures because not important for the present invention.
- the device also comprises a dynamic spring 3 generally of the type mentioned in the introduction which makes it possible to define a threshold value for the necessary actuating force on said pushbutton so that the control lever 1 moves from its first position to its first position. second position.
- the term "push button” is used in this context in the sense that this piece makes it possible to transmit a force coming from the user of the watch to the control lever 1, independently of the fact that he is actually a single push button, so monostable, or a push-button integrated into a bistable flip-flop.
- the control lever 1 can also be controlled by other types of control members of a timepiece, for example by a crown or a wheel.
- the figure 1a also shows that the control lever 1 comprises a pin 2 or another element such as a pin, this pin 2 or this pin being normally mounted integrally on the lever 1.
- the pin 2 could also be mounted so as to be free in rotation about its axis in the control lever 1, to reduce the friction forces with the other parts of the device with which it is in cooperation.
- the pin 2 cooperates with said dynamic spring 3, said pin 2 comprising for this purpose on its lateral circumference at least one groove 2.1 in which at least a portion of the spring 3 is housed.
- Figures 1b and 1c illustrating a top view of the device, respectively a section through the device along the line AA contained in the figure 1 b.
- the groove 2.1 arranged on the circumference of the pin 2 of the control lever 1 has a height substantially corresponding to the height of said spring 3.
- the groove 2.1 defines an inside diameter D I of the pin 2, as indicated symbolically at the figure 1c . It is not necessary that the groove 2.1 be circular, it could occupy only part of the circumference of the pin, for example laterally on both sides of the pin 2, where the spring 3 must be housed when its cooperation with the pin 2. It is also conceivable that the groove 2.1 is formed only on one side of the pin 2, for example in front of a single portion of the spring 3, preferably and for reasons which will become clear later in the description that which is attached to the frame 4 of the watch.
- the spring 3 comprises, according to this preferred embodiment, a first portion 3.1 substantially U-shaped.
- This first U-shaped part 3.1 has a fixed end 3.1.1 which is adjacent to a second portion 3.2 of the spring, the latter being fixed to the timepiece, for example to the frame 4, so that the fixed end 3.1.1 can be seen as being integral with the frame 4.
- the other end 3.1.2 of the first portion 3.1 U-shaped is free.
- the distance between the tip of the free end 3.1.2 and the fixed end 3.1.1 is, in the rest position of the spring 3 or the control device respectively, lower than the inner diameter D I of the pin 2 at its groove 2.1, so that a predefined force is required to move the free end 3.1. 2 of the fixed end 3.1.1.
- the threshold value of this force can be chosen, apart from varying the inside diameter D I of the pin 2, by varying the shape and / or the dimensions of the spring 3, for example by varying the distance between the tip of its end free 3.1.2 and its fixed end 3.1.1, the thickness of the leaf spring or its length, and its height.
- the free end 3.1.2 of the spring 3 has a substantially L-shaped tip whose base 3.1.2.1 is oriented towards the outside of the U-shape of the spring 3 and forms a stop that presses, in the position of rest of the spring 3, at the groove 2.1 of the pin 2, that is to say on its inner circumference.
- the angle between the base 3.1.2.1 and the arm of the free end 3.1.2 of the spring 3 is a functional part of the dynamic spring and is another parameter for influencing the threshold value of this spring.
- the fixed end 3.1.1 of the spring 3 comprises at its tip a guide portion 3.1.1.1 having a substantially straight shape which supports, in the rest position of the spring 3, also at the the groove 2.1 of the pin 2.
- said guide portion 3.1.1.1 is arranged concentrically with respect to the pivot axis 1.1 of the control lever 1, such as schematically indicated in figure 1b using the radius R and best visible at the enlargement of the figure 1d .
- the cooperation between the guiding portion 3.1.1.1 of the fixed end 3.1.1 of the spring 3 and the groove 2.1 of the pin 2 optimally achieves, during the pivoting of this lever 1, a guiding of the pin 2 respectively of the lever 1.
- the guide portion 3.1.1.1 of the fixed end 3.1.1 is preferably, but not necessarily, followed by a curved portion 3.1.1.2 which is adapted to receive said pin 2 in the position d actuation of the spring 3. If in the preferred embodiment of the device this curved portion 3.1.1.2 only serves to stabilize the fixed end 3.1.1 of the spring 3, in particular to reinforce said guide portion 3.1.1.1 , the curved part 3.1.1.2 could also serve as a stop for the control lever 1; in the preferred embodiment, this stop lever is made by other means not illustrated because not important for the present invention.
- the free end 3.1.2 of spring 3 can be arranged differently.
- the free end 3.1.2 of the spring 3 may have a length and / or a geometrical shape chosen so that the distance between the tip of the free end 3.1.2 and the fixed end 3.1.1, in the actuated position of the spring 3, is smaller than the internal diameter D I of the pin 2 at its groove 2.1 and that the axis of the pin 2 is, in this position, on the other side of the tip of the free end 3.1.2 relative to the rest position of the spring 3, so that the control device has two stable positions.
- the free end 3.1.2 of the spring 3 should have a length and / or a geometric shape chosen so that the distance between the tip of the free end 3.1.2 and the fixed end 3.1.1, in the actuating position of the spring 3, is less than or substantially equal to the inside diameter D I of the pin 2 at its groove 2.1 of so that the pin 2 is preloaded to return to its rest position, so that the control device has a single stable position.
- these characteristics can be realized, instead of varying the length of the free end 3.1.2, giving a corresponding geometric shape to the free end 3.1.2.
- a first non-illustrated alternative to this configuration may for example consist in that the guiding portion 3.1.1.1 which acts as a guide element on the side of the fixed frame is replaced by another element which is, is mounted on the frame, or is made of a part with the latter, as a protruding portion of corresponding shape of a bridge mounted on the frame.
- FIG. figure 4 it is also possible to reverse the arrangement at the groove and the guide element, that is to say to provide a guide element such as a flange 2.2 on the pin 2, while a groove 4.1, or even only a support at the top or bottom for this kind of flange, is arranged on the side of the bridge respectively of the frame 4, whether of one, the other, or both sides of the pin 2.
- the flange 2.2, or in the configuration opposite the groove 2.1, on the pin 2 may be at a different height than the spring 3, provided that it is arranged at the same height as the corresponding groove 4.1 , respectively the corresponding guide element 3.1.1.1, on the bridge or the frame 4, so as to separate the two dynamic spring functions and guide the lever by different structural elements.
- the groove 2.1 and the guide portion 3.1.1.1 mentioned in the context of the preferred embodiment described above first are therefore generally to be considered as first and second guide means which can be arranged according to the needs side pin 2, that is to say on the lever side 1, or spring side 3, that is to say on the frame side 4, to allow cooperation carrying out the guidance of the control lever 1.
- the dynamic spring and lever guide functions are advantageously achieved by combining the structural means for these functions.
- Figures 2a to 2c schematically illustrating, by views from above, three steps during its operation, namely when the device is in its rest position, in an intermediate position, and in its actuated position, this for use of the control device in combination with a rocker bistable.
- the operation of the device is described with reference to the preferred embodiment described above first, but this description is also valid analogically for the aforementioned alternatives.
- the figure 2a corresponds to the rest position of the spring 3 respectively of the control lever 1, or even of the entire device, already illustrated for example to Figures 1a, 1c, and 1d .
- the base 3.1.2.1 of the free end 3.1.2 forming a stop presses on one side at the groove 2.1 of the pin 2.
- the distance between the tip of the free end 3.1.2 and the fixed end 3.1.1 is in this operating position of the spring 3 again lower than the inside diameter D I from pin 2 to level its groove 2.1, and the axis of the pin 2 is, in this position, on the other side of the tip of the free end 3.1.2 relative to the rest position of the spring 3. It is therefore it is necessary to supply a predefined force again for spacing the two fixed ends 3.1.1 and free 3.1.2 in this position in order to return the pin 2 or the control lever 1 in its rest position. In this way, it is possible to provide a control device which has two stable positions and which is therefore particularly suitable for use in combination with a flip-flop type control.
- the figure 3c shows schematically, in a view from above, the operation of a corresponding control device in its third step, namely when the device is in its actuating position.
- the figure 3c shows that, in the operating position of this embodiment of the device, the distance between the tip of the free end 3.1.2 and the fixed end 3.1.1 may be less than or substantially equal to the inside diameter D I pin 2 at its groove 2.1 because of the presence of the linear part 3.1.2.2 mentioned above.
- the linear part 3.1.2.2 of the tip of the free end 3.1.2 and the guiding part 3.1.1.1 of the fixed end 3.1.1 of the spring 3 form, in fact, in the position of actuating the spring 3 of this embodiment, substantially a V, but with a smaller angle relative to the V formed in the rest position by the base 3.1.2.1 and the guide portion 3.1.1.1. Even in the actuating position, the pin 2 is therefore prestressing by the guide part 3.1.1.1 and the linear part 3.1.2.2 to return to its rest position.
- this control device has only one stable position and is therefore particularly suitable for use in combination with a push button type monostable control.
- the relevant parts 3.1.1.1, 3.1.2.1 of the fixed ends 3.1.1 and free 3.1.2 of the spring 3 are located always in the groove 2.1 of the pin 2.
- the arrangement according to the technical instruction of the present invention allows to provide a height maintenance as well as in the transverse direction relative to the longitudinal axis of the control lever 1.
- the third direction of the space is not critical in this respect. This optimally prevents any deformation or fracture of the control lever and ensures particularly safe operation and reliable of this kind of control device.
- the dynamic spring 3 of a particular shape makes it possible to perform the function known in principle in the prior art that the corresponding push-button requires a predefined threshold value of the support force for driving. at the actuation of the corresponding function, this by a relatively simple design of said spring 3.
- the choice of the geometric shape, the dimensions, and / or the spacing of the two arms of the spring 3 makes it possible to vary this value threshold.
- the choice of the length of the spring arm 3 providing its free end or its geometrical shape, in particular parts 3.1.2.1 and 3.1.2.2 of the free end 3.1.2 makes it possible to adapt the control device to use either with a monostable pushbutton or with a flip-flop.
- a control device comprising the features mentioned above has the important advantage of being able to cooperate in a conventional manner with the other parts of the timepiece in which it is intended to be integrated, in particular with its basic movement, so that the mechanism can easily be integrated into existing timepieces without requiring too much adjustment or even a major revision of the design of these parts.
- these advantages are obtained without increasing the volume occupied, or even the production costs of the device or the device.
- the mechanism is integrated into a chronograph watch, but it can also be used in other watches having functions which are preferably controlled by push buttons of the kind mentioned above.
- the control device according to the present invention can be integrated into any kind of timepiece, whether mechanical or electronic, preferably in wristwatches.
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Abstract
Description
La présente invention a pour objet un dispositif de commande pour pièce 5d'horlogerie, comportant un levier de commande apte à occuper une première position de repos et, sur actionnement d'un bouton-poussoir ou autre organe de commande, une deuxième position d'actionnement, le dispositif comportant un ressort permettant de définir une valeur de seuil pour la force d'actionnement nécessaire sur ledit bouton-poussoir afin que le levier de commande passe de sa première position à sa deuxième position.The subject of the present invention is a control device for a clockwork part, comprising a control lever adapted to occupy a first rest position and, on actuation of a pushbutton or other control member, a second position of actuation, the device comprising a spring for defining a threshold value for the necessary actuating force on said push button so that the control lever moves from its first position to its second position.
Ce genre de dispositif est en principe connu, par exemple des documents
Les solutions de l'art antérieur actuellement connu sont pourtant, d'une part, assez spécifiques du fait de leur application prévue et ont de ce fait, tout au moins en partie, une structure assez complexe. D'autre part, le seul fait de prévoir un ressort dynamique ne suffit pas à éviter au mieux un dysfonctionnement du dispositif de commande, qui comprend encore d'autres parts dont la structure ou leur coopération peut mener à des problèmes lors de l'opération de la commande.The solutions of the prior art currently known are, on the one hand, rather specific because of their intended application and therefore have, at least in part, a fairly complex structure. On the other hand, the mere fact of providing a dynamic spring is not enough to best prevent a malfunction of the control device, which also includes other parts whose structure or cooperation may lead to problems during the operation of the order.
Il existe alors toujours le besoin de disposer d'un dispositif de commande du genre susmentionné dont la construction est relativement peu complexe et le fonctionnement est sûr en ce qui concerne plusieurs aspects. Notamment, à coté du besoin de rendre l'utilisation des dispositifs de commande plus sure dans le sens, d'une part, d'éviter qu'un poussoir soit actionné, par inadvertance, par une action ne dépassant pas le seuil requis par un ressort dynamique et, d'autre part, d'assurer un actionnement complet quand le poussoir est actionné, il est souhaitable d'utiliser dans des dispositifs de commande du genre susmentionné des éléments dont la structure et leur coopération sont aussi simples que possible, de façon à éviter au mieux des déformations voire des fractures de pièces ou d'autres difficultés lors de l'opération de la commande. Ces objectifs devraient être achevés tout en garantissant des coûts de production modérés ainsi qu'en offrant une esthétique attractive, par exemple pour l'utilisation dans le cadre des montres squelettes.There is then always the need to have a control device of the kind mentioned above whose construction is relatively uncomplicated and the operation is safe with respect to several aspects. In particular, apart from the need to make the use of the control devices safer in the direction, on the one hand, to prevent a pusher is inadvertently actuated by an action not exceeding the threshold required by a dynamic spring and, on the other hand, to ensure complete actuation when the pusher is actuated, it is desirable to use in control devices of the aforementioned kind elements whose structure and their cooperation are as simple as possible, of way to avoid at best deformations or even fractures of parts or other difficulties during the operation of the order. These objectives should be completed while guaranteeing moderate production costs as well as offering attractive aesthetics, for example for use in skeleton watches.
Le but de la présente invention est donc de remédier aux inconvénients des dispositifs connus et de réaliser les avantages susmentionnés, notamment de permettre la réalisation d'un dispositif de commande, équipé d'un ressort dynamique, qui est simple dans sa conception et fiable lors de son opération, sans pour autant trop augmenter la complexité, le volume occupé, voire les coûts de production du dispositif.The purpose of the present invention is therefore to overcome the drawbacks of known devices and to achieve the aforementioned advantages, in particular to allow the realization of a control device, equipped with a dynamic spring, which is simple in its design and reliable when of its operation, without increasing the complexity, the volume occupied, or even the production costs of the device.
A cet effet, la présente invention propose un dispositif de commande du type susmentionné, notamment pour pièce d'horlogerie mécanique, qui se distingue par les caractéristiques énoncées à la revendication 1, ainsi qu'une pièce d'horlogerie correspondante comportant un tel dispositif. En particulier, dans un dispositif selon la présente invention, le levier de commande comprend un élément saillant coopérant avec ledit ressort, ledit élément saillant comprenant sur sa circonférence au moins un premier moyen de guidage apte à coopérer avec au moins un deuxième moyen de guidage monté sur une structure fixe de la pièce d'horlogerie.For this purpose, the present invention proposes a control device of the aforementioned type, in particular for a mechanical timepiece, which is distinguished by the characteristics set forth in
Dans la forme d'exécution préférée du dispositif selon la présente invention, l'élément saillant est réalisé par une goupille, le premier moyen de guidage est réalisé par une rainure agencée sur la circonférence de cette goupille du levier de commande, et le deuxième moyen de guidage est réalisé par une partie de guidage agencée sur ledit ressort qui est monté au bâti de la pièce d'horlogerie, au moins ladite partie de guidage du ressort étant logée dans la rainure.In the preferred embodiment of the device according to the present invention, the projecting element is formed by a pin, the first guide means is formed by a groove arranged on the circumference of this pin of the control lever, and the second means guide is formed by a guide portion arranged on said spring which is mounted on the frame of the timepiece, at least said spring guide portion being housed in the groove.
Par ces mesures, du fait que le ressort est toujours présent dans la rainure de la goupille et sert donc en tant que rail de guidage pour le levier de commande, on obtient un maintien du levier de commande, ce qui conduit à un fonctionnement particulièrement sûr et fiable de ce genre de dispositif.By these measures, because the spring is always present in the groove of the pin and thus serves as a guide rail for the control lever, we obtain a holding of the control lever, which leads to a particularly safe operation and reliable of this kind of device.
Dans des variantes préférées, la rainure et/ou le ressort sont agencés de manière spécifique, conduisant à d'autres avantages correspondants. Ainsi, le dispositif de commande peut par exemple être agencé de façon à être adapté idéalement pour une utilisation en combinaison soit avec une bascule bistable soit avec un bouton-poussoir monostable.In preferred embodiments, the groove and / or the spring are specifically arranged, leading to other corresponding advantages. Thus, the control device may for example be arranged to be ideally suited for use in combination with either a flip-flop or a monostable push-button.
D'autres caractéristiques, ainsi que les avantages correspondants, ressortiront des revendications dépendantes, ainsi que de la description exposant ci-après l'invention plus en détail.Other features, as well as the corresponding advantages, will emerge from the dependent claims, as well as from the description which sets forth the invention in more detail.
Les dessins annexés représentent schématiquement et à titre d'exemple une forme d'exécution de l'invention.
- La
figure 1a montre une vue en perspective schématique d'un dispositif de commande selon la présente invention, monté sur le bâti d'une pièce d'horlogerie; lafigure 1b est une vue de dessus du dispositif illustré à lafigure 1a ; lafigure 1c montre une coupe à travers le dispositif le long de la ligne A-A figurant dans lafigure 1b ; lafigure 1d montre un agrandissement de la zone B autour de la goupille indiquée dans lafigure 1b , quelques parties étant illustrées en transparence pour une meilleure compréhension; lafigure 1e montre de façon schématique et à titre d'exemple une vue de dessus de la forme d'un ressort dynamique utilisé dans le dispositif de commande selon la présente invention. - Les
figures 2a à 2c représentent de façon schématique, par des vues de dessus, le fonctionnement d'un dispositif de commande selon la présente invention qui est particulièrement adapté pour une utilisation en combinaison avec une bascule bistable, ceci dans trois étapes lors de son fonctionnement, à savoir lorsque le dispositif se trouve dans sa position de repos, dans sa position intermédiaire, et dans sa position d'actionnement. - Les
figures 3a à 3c représentent de façon schématique, par des vues de dessus similaires auxfigures 2a à 2c , le fonctionnement d'un dispositif de commande selon la présente invention qui est particulièrement adapté pour une utilisation en combinaison avec un bouton-poussoir monostable, ceci dans ses trois étapes lors de son fonctionnement. - La
figure 4 montre schématiquement, par une coupe transversale similaire à lafigure 1c , une forme d'exécution alternative ayant un agencement inversé au niveau de la rainure et de l'élément de guidage, une collerette étant prévue sur la goupille, tandis qu'une rainure est agencée sur un pont du bâti.
- The
figure 1a shows a schematic perspective view of a control device according to the present invention, mounted on the frame of a timepiece; thefigure 1b is a top view of the device shown in FIG.figure 1a ; thefigure 1c shows a cut through the device along the AA line shown in thefigure 1b ; thefigure 1d shows an enlargement of the area B around the pin indicated in thefigure 1b , some parts being illustrated in transparency for a better understanding; thefigure 1e shows schematically and by way of example a top view of the shape of a dynamic spring used in the control device according to the present invention. - The
Figures 2a to 2c show schematically, from above views, the operation of a control device according to the present invention which is particularly suitable for use in combination with a flip-flop, in three steps during its operation, namely when the device is in its rest position, in its intermediate position, and in its actuating position. - The
Figures 3a to 3c schematically represent, by top views similar toFigures 2a to 2c , the operation of a control device according to the present invention which is particularly suitable for use in combination with a monostable pushbutton, this in its three stages during its operation. - The
figure 4 shows schematically, by a cross-section similar to thefigure 1c , an alternative embodiment having an inverted arrangement at level of the groove and the guide element, a collar being provided on the pin, while a groove is arranged on a bridge of the frame.
L'invention sera maintenant décrite en détail en référence aux dessins annexés illustrant à titre d'exemple deux formes d'exécution de l'invention.The invention will now be described in detail with reference to the accompanying drawings illustrating by way of example two embodiments of the invention.
Un dispositif de commande selon la présente invention est destiné à être intégré dans une pièce d'horlogerie, de préférence dans une montre mécanique, notamment dans une montre bracelet. Tel que cela deviendra plus clair par la suite, le dispositif de commande peut par exemple être relié à une bascule bistable ou à un poussoir monostable de la pièce d'horlogerie, ou à tout autre mécanisme de commande de ce genre, indépendamment de la fonction commandée par le dispositif et du type de la pièce d'horlogerie.A control device according to the present invention is intended to be integrated in a timepiece, preferably in a mechanical watch, especially in a wristwatch. As will become clearer later, the control device can for example be connected to a flip-flop or a monostable pusher of the timepiece, or to any other such control mechanism, regardless of the function controlled by the device and the type of the timepiece.
Tel que cela est illustré schématiquement et à titre d'exemple à la vue en perspective de la
La
De préférence, la rainure 2.1 agencée sur la circonférence de la goupille 2 du levier de commande 1 a une hauteur correspondant sensiblement à la hauteur dudit ressort 3. De plus, la rainure 2.1 agencée sur la circonférence de la goupille 2 du levier de commande 1 a une profondeur située, de préférence, dans une plage de 40% à 150% de la largeur de la partie du ressort 3 destinée à être logée dans la rainure 2.1, notamment de la partie libre dudit ressort 3, sans que cela soit nécessaire pour l'agencement du dispositif. Ainsi, la rainure 2.1 définit un diamètre intérieur DI de la goupille 2, tel qu'indiqué symboliquement à la
Afin de continuer la description de la structure du dispositif selon la présente invention et tel que visible sur la vue de dessus de la
Il est également visible aux
Il reste à remarquer que, en fonction de la combinaison du dispositif de commande selon la présente invention soit avec une bascule bistable soit avec un bouton-poussoir monostable soit avec un autre type d'organe de commande, l'extrémité libre 3.1.2 du ressort 3 peut être agencée différemment. Notamment, pour une coopération avec une bascule bistable, l'extrémité libre 3.1.2 du ressort 3 peut avoir une longueur et/ou une forme géométrique choisie de façon à ce que la distance entre la pointe de l'extrémité libre 3.1.2 et l'extrémité fixe 3.1.1, dans la position d'actionnement du ressort 3, est inférieure au diamètre intérieur DI de la goupille 2 au niveau de sa rainure 2.1 et à ce que l'axe de la goupille 2 se trouve, dans cette position, de l'autre coté de la pointe de l'extrémité libre 3.1.2 par rapport à la position de repos du ressort 3, de manière à ce que le dispositif de commande dispose de deux positions stables. Inversement, pour une forme d'exécution du dispositif adaptée pour une coopération avec un bouton-poussoir monostable, l'extrémité libre 3.1.2 du ressort 3 devrait avoir une longueur et/ou une forme géométrique choisie de façon à ce que la distance entre la pointe de l'extrémité libre 3.1.2 et l'extrémité fixe 3.1.1, dans la position d'actionnement du ressort 3, est inférieure ou sensiblement égale au diamètre intérieur DI de la goupille 2 au niveau de sa rainure 2.1 de sorte que la goupille 2 est précontrainte à retourner dans sa position de repos, de manière à ce que le dispositif de commande dispose d'une seule position stable. Alternativement, ces caractéristiques peuvent être réalisées, au lieu de varier la longueur de l'extrémité libre 3.1.2, en donnant une forme géométrique correspondante à l'extrémité libre 3.1.2. Par exemple, il est facilement compréhensible en comparant les
Ayant à disposition la description détaillée figurant ci-dessus de la forme d'exécution préférée du dispositif de commande selon la présente invention, il est aussi clair pour l'homme du métier qu'il y a également plusieurs alternatives en ce qui concerne la coopération entre la rainure 2.1 agencée, dans ladite forme d'exécution préférée décrite ci-dessus, sur la goupille 2 et la partie de guidage 3.1.1.1 qui est dans ce cas solidaire de la partie fixe 3.1.1 du ressort 3 monté sur le bâti 4. Une première alternative non-illustrée à cette configuration peut par exemple consister à ce que la partie de guidage 3.1.1.1 qui fait office d'élément de guidage du coté du bâti fixe est remplacée par un autre élément qui soit, est monté sur le bâti, soit est fait d'une pièce avec ce dernier, comme une partie saillante de forme correspondante d'un pont monté sur le bâti. Si l'agencement des autres parties de la montre le nécessiterait, une autre alternative non-illustrée aux figures peut consister à monter un tel pont ayant un élément de guidage remplaçant ladite partie de guidage 3.1.1.1 de l'autre coté de la goupille 2 par rapport à la partie fixe 3.1.1 du ressort, donc par exemple du coté de la partie libre 3.1.2 dudit ressort 3. Finalement, et tel qu'illustrée schématiquement à la
Au vu de la description détaillée de la structure d'un dispositif selon la présente invention figurant ci-dessus, le fonctionnement du dispositif est aisément compréhensible à l'aide des
En ce qui concerne la forme d'exécution du dispositif de commande selon la présente invention décrite ci-dessus qui est particulièrement adaptée pour être utilisée en combinaison avec une commande de type bouton-poussoir monostable, la
Il est à remarquer que dans la forme d'exécution préférée et lors de toutes les étapes de fonctionnement de ce dispositif, les parties concernées 3.1.1.1, 3.1.2.1 des extrémités fixe 3.1.1 et libre 3.1.2 du ressort 3 se trouvent toujours dans la rainure 2.1 de la goupille 2. Le ressort 3, notamment la partie de guidage 3.1.1.1 de l'extrémité fixe 3.1.1 du ressort 3 qui est fixée au bâti 4 de la pièce d'horlogerie, mais également l'extrémité libre 3.1.2, sert donc en tant que structure de guidage pour le levier de commande 1. Étant donné que la direction du mouvement du levier de commande 1 est, en général dans ce genre de dispositifs de commande comme dans le cas présent, souvent perpendiculaire à l'axe longitudinale dudit levier 1, ce qui peut conduire à des déformations voire fractures de cette pièce ou d'autres pièces coopérant avec le levier 1 lors de son actionnement, l'agencement selon l'instruction technique de la présente invention permet de fournir un maintien en hauteur ainsi que dans la direction transversale par rapport à l'axe longitudinale du levier de commande 1. Avantageusement, on obtient ainsi un maintien du levier de commande 1 dans deux directions sensiblement perpendiculaires dans l'espace, la troisième direction de l'espace n'étant pas critique à cet égard. Ceci évite de façon optimale toute déformation ou fracture du levier de commande et garantit un fonctionnement particulièrement sûr et fiable de ce genre de dispositif de commande. Ces avantages sont réalisés de façon analogique dans les autres formes d'exécution alternatives mentionnées ci-dessus, que ce soit en ayant des moyens structuraux séparés ou combinés pour les fonctions ressorts dynamique et guidage du levier.It should be noted that in the preferred embodiment and during all the stages of operation of this device, the relevant parts 3.1.1.1, 3.1.2.1 of the fixed ends 3.1.1 and free 3.1.2 of the
En même temps, le ressort dynamique 3 d'une forme particulière selon la présente invention permet de réaliser la fonction connue en principe dans l'art antérieur que le bouton-poussoir correspondant requiert une valeur de seuil prédéfinie de la force d'appui pour conduire à l'actionnement de la fonction correspondante, ceci par une conception relativement simple dudit ressort 3. De plus, le choix de la forme géométrique, des dimensions, et/ou de l'écartement des deux bras du ressort 3 permet de varier cette valeur de seuil. De même, le choix de la longueur du bras du ressort 3 réalisant son extrémité libre voire de sa forme géométrique, notamment des parties 3.1.2.1 et 3.1.2.2 de l'extrémité libre 3.1.2 permet d'adapter le dispositif de commande pour l'utilisation soit avec un bouton-poussoir monostable soit avec une bascule bistable.At the same time, the
Tout en étant de structure relativement simple et peu complexe par rapport à l'art antérieur et en gardant un faible encombrement, le dispositif peut alors être décliné dans de nombreuses variantes et permet une utilisation flexible. En effet, il est clair qu'un dispositif de commande comportant les caractéristiques mentionnées ci-dessus présente l'avantage important de pouvoir coopérer de manière conventionnelle avec les autres parties de la pièce d'horlogerie dans laquelle il est destiné à être intégré, notamment avec son mouvement de base, de sorte que le mécanisme peut facilement être intégré dans des pièces d'horlogerie existantes sans nécessiter trop d'ajustements voire une révision importante de la conception de ces pièces. Par ailleurs, du fait de la structure relativement simple du dispositif, ces avantages sont obtenus sans pour autant trop augmenter le volume occupé, voire les coûts de production du dispositif respectivement de la montre équipée d'un tel dispositif de commande, ainsi qu'en offrant une esthétique attractive pour l'intégration dans des montres squelettes au vu de la structure cadrée du dispositif. De préférence, le mécanisme est intégré dans une montre chronographe, mais il peut également servir dans d'autres montres ayant des fonctions qui sont de préférence commandées par des bouton-poussoirs du genre susmentionné. Finalement, il reste à noter que le dispositif de commande selon la présente invention peut être intégré dans toute sorte de pièces d'horlogerie, que ça soit mécanique ou électronique, de préférence dans des montres bracelet.While being of relatively simple structure and little complex compared to the prior art and keeping a small footprint, the device can then be declined in many variants and allows flexible use. Indeed, it is clear that a control device comprising the features mentioned above has the important advantage of being able to cooperate in a conventional manner with the other parts of the timepiece in which it is intended to be integrated, in particular with its basic movement, so that the mechanism can easily be integrated into existing timepieces without requiring too much adjustment or even a major revision of the design of these parts. Moreover, because of the relatively simple structure of the device, these advantages are obtained without increasing the volume occupied, or even the production costs of the device or the device. watch equipped with such a control device, as well as offering an attractive aesthetic for integration into skeleton watches in view of the frame structure of the device. Preferably, the mechanism is integrated into a chronograph watch, but it can also be used in other watches having functions which are preferably controlled by push buttons of the kind mentioned above. Finally, it remains to note that the control device according to the present invention can be integrated into any kind of timepiece, whether mechanical or electronic, preferably in wristwatches.
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01449/11A CH705461A1 (en) | 2011-09-05 | 2011-09-05 | Control device for a timepiece. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2565726A2 true EP2565726A2 (en) | 2013-03-06 |
EP2565726A3 EP2565726A3 (en) | 2017-11-08 |
EP2565726B1 EP2565726B1 (en) | 2019-02-06 |
Family
ID=47002620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12182738.0A Active EP2565726B1 (en) | 2011-09-05 | 2012-09-03 | Command device for timepieces |
Country Status (2)
Country | Link |
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EP (1) | EP2565726B1 (en) |
CH (1) | CH705461A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0240778A1 (en) | 1986-04-09 | 1987-10-14 | Eta SA Fabriques d'Ebauches | Push button mechanism for a time piece |
EP0498212A1 (en) | 1991-02-05 | 1992-08-12 | Complications S.A. | Push-button mechanism for a timepiece |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3745758A (en) * | 1971-08-25 | 1973-07-17 | Suwa Seikosha Kk | Electric and electronic timepiece |
JPS5921478Y2 (en) * | 1976-05-06 | 1984-06-25 | セイコーエプソン株式会社 | Clock switch structure |
JPS5466877U (en) * | 1977-10-20 | 1979-05-12 | ||
CH645235GA3 (en) * | 1981-04-23 | 1984-09-28 | ||
JP4409707B2 (en) * | 1999-04-22 | 2010-02-03 | ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス | Pushbutton mechanism and watch equipped with the mechanism |
-
2011
- 2011-09-05 CH CH01449/11A patent/CH705461A1/en not_active Application Discontinuation
-
2012
- 2012-09-03 EP EP12182738.0A patent/EP2565726B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0240778A1 (en) | 1986-04-09 | 1987-10-14 | Eta SA Fabriques d'Ebauches | Push button mechanism for a time piece |
EP0498212A1 (en) | 1991-02-05 | 1992-08-12 | Complications S.A. | Push-button mechanism for a timepiece |
Also Published As
Publication number | Publication date |
---|---|
EP2565726B1 (en) | 2019-02-06 |
EP2565726A3 (en) | 2017-11-08 |
CH705461A1 (en) | 2013-03-15 |
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