EP2707778B1 - Timepiece - Google Patents
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- Publication number
- EP2707778B1 EP2707778B1 EP12719396.9A EP12719396A EP2707778B1 EP 2707778 B1 EP2707778 B1 EP 2707778B1 EP 12719396 A EP12719396 A EP 12719396A EP 2707778 B1 EP2707778 B1 EP 2707778B1
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- EP
- European Patent Office
- Prior art keywords
- wheel
- lever
- disc
- timepiece according
- pinion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims description 46
- 230000009471 action Effects 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims 1
- 238000012937 correction Methods 0.000 description 21
- 238000010276 construction Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B33/00—Calibers
- G04B33/06—Calibers of extremely flat shape
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/25—Devices for setting the date indicators manually
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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
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
- G04B27/026—Mechanical devices for setting the time indicating means by making use of the winding means for several clockworks or pairs of hands and/or supplementary functions
Definitions
- the invention relates to a timepiece as mentioned above, comprising an additional mechanism capable of providing information to be displayed opposite the control rod.
- this additional mechanism may be a chronograph mechanism.
- the chronograph is one of the most frequently implemented. As everyone knows, a chronograph allows, on demand, to measure and display a timed time by means of dedicated indicators, which can be reduced to zero on order. Many mechanisms and constructions make it possible to realize this function.
- the famous 7750 chronograph originally developed by Valjoux, is probably one of the most robust and powerful calibers. It is now integrated in many watches. In its original version, the second of timed time is indicated by a large hand in the center of the movement. It has a minute counter time measured at 12 o'clock, a counter of hours of time timed at 6 o'clock and a small second at 9 o'clock. The date can be displayed at 3 o'clock.
- the movement has the same indications as previously proposed.
- the minute counter is diverted to indicate the minute of time timed at 3 o'clock and not at 12 o'clock.
- the date is displayed in a window at 4 o'clock.
- the winding of the movement and the correction of the time is carried out by the control rod located at 3H.
- a pull mechanism and sliding pinion can also perform the correction of the date.
- This sliding pinion comprises, at a first level, a pinion arranged to interact with the date display mechanism and, at a second level, a wheel arranged to interact with the clock display train.
- the location of the switch of the meter located at 3H does not leave enough space to allow to integrate in the movement a mechanism of zipper and sliding pinion conventional.
- Document is also known CH 376059 , a timepiece in which the correction mechanism is provided with a rocker having a first mobile located on the axis of the rocker and intended to be driven by a correction ring arranged on a control rod.
- the first mobile is respectively engaged with a second mobile corrector of the current time display and with a third mobile corrector of the date.
- a system of levers and spring is controlled by the axial position of the control rod to position the rocker and engage the second mobile with a correction kinematic chain or the third mobile with another correction kinematic chain, to correct respectively the display of current time or date.
- Such a system can not be easily integrated into a chronograph mechanism as mentioned above.
- the present invention aims to solve these disadvantages by providing a timepiece provided with a time correction system and particularly compact date.
- One of the aims pursued by the invention is to provide a movement provided with a chronograph mechanism comprising three counters (including one for displaying the second of the current time) and an indication of the date, including a correction. of the time and date by the control rod, which does not increase the thickness of the movement.
- the boxes used for a two-counter movement or without date can thus be used directly, without further modification.
- the control rod is kinematically connected to the time display train or to the date display mechanism, by a first mobile carried by a first rocker, said first mobile being arranged to be driven by the control rod, and by a second mobile carried by a second flip-flop.
- the second flip-flop can move between a first position in which the wheel of the second mobile is kinematically connected to the display train, and a second position in which the star of the second mobile is kinematically connected to the display mechanism. of the date.
- the position of the second rocker is defined by the cooperation between the first and second mobiles.
- the second mobile comprises a wheel held in engagement with said first mobile, and a star.
- the wheel of the second mobile is kinematically connected to the display train.
- the star of the second mobile is kinematically connected with the date display mechanism.
- the wheel of the second mobile is held in engagement with a pinion of the first mobile, through the action of a spring member acting on the second rocker.
- the position of the first rocker is defined by the position of the control rod.
- the wheel of the second mobile and the pinion of the first mobile are kept engaged at the bottom of the toothing.
- the wheel of the second mobile and said pinion of the first mobile have teeth whose teeth have a concentric profile. More particularly, each tooth end defines a concentric surface with respect to the center of the wheel or pinion. In addition, each tooth is separated by a gap allowing insertion of the surface of a tooth of the other toothing.
- the profile of the surface and the profile of the gap are complementary.
- the pinion of the first mobile, the wheel of the second mobile and the gear train of the time display intended to be connected to said wheel of the second mobile are positioned on the same level and, when the rod is in its first position , the pinion of the first mobile meshes directly with the wheel of the second mobile, the latter meshing directly with said display train time.
- the star of the second flip-flop is kinematically connected to the date display mechanism by means of a star-shaped return provided with an even number of arms, a arm in two being partially truncated, so that each arm can receive energy from the star of the second latch, only whole arms can transmit energy to the date display mechanism.
- the present invention is particularly applicable in a timepiece which comprises an additional mechanism capable of providing information to be displayed opposite the control rod.
- the additional mechanism may comprise a display mobile whose axis is superimposed with the first mobile and whose board is located between the star and the wheel of the second mobile.
- the additional mechanism is a chronograph mechanism and the information to be displayed is information relating to the timed time.
- this movement comprises a motor unit and a time base, for driving a display train time, thus providing an indication of the time.
- This display train The time may include, in particular, a timer train 10 including an hour wheel, making a turn in twelve hours.
- the proposed timepiece also includes a date display mechanism, taking the form, in this example, of a date ring 12, rotatably mounted concentrically to the movement and having an internal toothing 12a.
- a date display mechanism taking the form, in this example, of a date ring 12, rotatably mounted concentrically to the movement and having an internal toothing 12a.
- the timepiece further comprises a control rod 14 accessible from outside the timepiece.
- this rod is rotatably mounted through the watch case. It is also mobile in translation. It cooperates with a pull tab 16 which, depending on the longitudinal position of the rod, displaces a sliding pinion 18 also mounted on the control rod 14.
- the timepiece comprises a first mobile 20 carried by a first rocker 22.
- This first mobile 20 comprises, arranged coaxially and integrally, a wheel 20a whose teeth are positioned and dimensioned so as to mesh with the sliding pinion 18, and a pinion 20b.
- the pinion 20b of the first mobile 20 has a toothing whose teeth 20c have a concentric profile. More particularly, each tooth end defines an area of length l , concentric with respect to the center of the wheel. Each tooth is separated by a gap of dimension slightly greater than the length l , allowing, as will be understood later to insert between two consecutive teeth, an identical tooth carried by another wheel and also having, at its end, a surface length l .
- a first spring 24 is arranged so as to exert on the first rocker 22 a force tending to hold the wheel 20a of the first mobile 20, in engagement with the sliding pinion 18.
- a stop 26 however limits the position of the first rocker 22, allowing and the rod to be in the winding position, that is to say in the undrawn position, without the sliding pinion 18 drives the first mobile 20.
- the first mobile 20 is arranged to be driven by the control rod 14.
- the timepiece comprises a second mobile 28 carried by a second latch 29.
- This second mobile 28 comprises, arranged coaxially and integrally, a wheel 28a and a star 28b.
- a second spring 30 is arranged so as to exert on the second rocker 29 a force tending to maintain the wheel of the second mobile 28, in engagement with the pinion 20b of the first mobile 20.
- the wheel 28a of the second mobile 28 and the pinion 20b of the first mobile 20 are kept engaged at the bottom of teeth.
- the spacing of these two elements is kept constant, as well as the quality of their cooperation.
- bottom of teeth is meant that there is no radial safety, which is defined as the clearance between the tip of the teeth of the wheel and the core of the pinion.
- the wheel 28a of the second mobile 28 comprises a toothing 28c identical to that of the pinion 20b of the first mobile 20.
- the profile of said surface and the profile of said interstice are substantially conjugated. More precisely, during the rotation of the pinion 20b and the wheel 28a, there is successively the profile of the surface of a tooth of the pinion 20b which remains substantially in contact with the profile of the interstice of the wheel 28a, then the profile of the surface of a tooth of the wheel 28a which remains substantially in contact with the profile of the gap of the pinion 20b.
- the position of the second latch 29 is defined by the cooperation between said first 20 and second 28 mobiles.
- the second lever 29 is not positioned by pressing on a lever or another rocker. This also ensures the constant maintenance of the distance between the first and second mobiles.
- the first rocker 22 When the rod is in the "Time" position, to correct the time, and shown in the figure 1 , the first rocker 22 is positioned by its support on the sliding pinion 18. In other words, the position of the first rocker 22 is defined by the position of the control rod 14.
- the wheel of the second mobile 28 meshes directly with the pinion of the first mobile 20. But the wheel of the second mobile 28 also meshes directly with the display train of the hour, according to the example, with the hour wheel of the timer.
- the control rod 14 is thus kinematically connected to the clock display train. The actuation in rotation of the control rod 14 thus corrects this display.
- the pinion of the first mobile 20, the wheel of the second mobile 28 and the gear train of the time display intended to be connected to said wheel of the second mobile 28 are positioned on the same level , optimizing the thickness occupied. It should be noted, as will be better understood later, that in this position, the control rod 14 is not connected kinematically with the date display mechanism.
- the wheel 28a of the second mobile 28 is no longer in mesh with the time display train.
- the star of the second mobile 28 is kinematically connected with the date display mechanism.
- This kinematic connection is obtained by means of a reference 32 having a star shape provided with an even number of arms. One arm out of two 32a is partially truncated. Thus, each arm can receive energy supplied by the star of the second flip-flop 29, but only the entire arms 32b can transmit energy to the date display mechanism, typically by actuating the internal toothing. 12a of the date ring 12, as can be seen on the figure 3 which illustrates a passage of date.
- the control rod 14 is thus kinematically connected to the date display mechanism, via the sliding pinion 18, the first 20 and second 28 mobile, and the return 32. The rotational actuation of the control rod 14 therefore allows to correct this display.
- the truncated arms of the star are such that the difference between their vertex and the base circumference is substantially equal to half the difference between the vertex of an untruncated arm and the base circumference.
- the ends of the truncated arms are rounded and have no sharp angle.
- the return 32 is numbered so that only the uncut arms cooperate with the teeth of the date ring 12, while all the arms, truncated or not, receive energy. However, thanks to the fact that the non-useful arms are truncated, any risk of collision or blockage between the return 32 and the date ring 12 is avoided, as can be seen on the figure 2 .
- the return 32 allows, by its particular form, to mesh directly with two different teeth, in this case with the star 28b and the date ring 12, located in the same plane. This further optimizes the space occupied by this kinematic link.
- the device described above makes it possible to reduce the height and, more generally, the bulk of the various elements involved in the correction of the display of the time or the date. Therefore, it is possible to combine this correction device with the display of additional information provided by a mechanism additional that includes the timepiece.
- this additional information can be displayed in a sub-dial or by an indicator member pivotally mounted facing the control rod 14, or, in general, 3H.
- the additional mechanism is a chronograph mechanism.
- a display mobile 34 is driven by the additional mechanism.
- the axis 34a of this mobile display 32 is superimposed with the first mobile 20. It pivots between two bridges 36, one of which can be located in the plane of the pinion 20b of the first mobile 20, the axis 34a of the mobile display to be located outside the axis of the first mobile 20.
- the board 34b of the mobile display 34 is located between the wheel 28a and the star 28b of the second mobile 28.
- the display mobile 34 can carry an indicator member which, on the dial, is positioned at 3H, in the usual place for a chronograph not having a date display, or of which this one is corrected by a corrector.
- this arrangement could be used to display other information than a timed time, for example, a second time zone or a moon phase.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Description
La présente invention se rapporte au domaine de l'horlogerie mécanique. Elle concerne, plus particulièrement, une pièce d'horlogerie comportant :
- un mouvement agencé pour fournir une indication de l'heure et muni d'un train d'affichage de l'heure,
- un mécanisme d'affichage de la date, et
- une tige de commande accessible de l'extérieur de la pièce d'horlogerie et susceptible d'actionner un système de correction de l'indication de l'heure agissant sur le train d'affichage de l'heure lorsque ladite tige est dans une première position, et susceptible d'actionner un système de correction de l'affichage de la date lorsque ladite tige est dans une deuxième position.
- a movement arranged to provide an indication of the time and equipped with a time display train,
- a mechanism for displaying the date, and
- a control rod accessible from outside the timepiece and capable of actuating a timekeeping correction system acting on the display train of the time when said rod is in a first position, and capable of operating a correction system of the date display when said rod is in a second position.
Dans une application particulièrement avantageuse, l'invention concerne une pièce d'horlogerie telle que mentionnée ci-dessus, comprenant un mécanisme supplémentaire susceptible de fournir une information à afficher en regard de la tige de commande. Particulièrement, ce mécanisme supplémentaire peut être un mécanisme de chronographe.In a particularly advantageous application, the invention relates to a timepiece as mentioned above, comprising an additional mechanism capable of providing information to be displayed opposite the control rod. Especially, this additional mechanism may be a chronograph mechanism.
Parmi les différentes fonctions que peut réaliser une montre, le chronographe est l'une des plus fréquemment implémentées. Comme chacun le sait, un chronographe permet, à la demande, de mesurer et d'afficher un temps chronométré au moyen d'indicateurs dédiés, ceux-ci pouvant être ramenés à zéro sur commande. De nombreux mécanismes et constructions permettent de réaliser cette fonction. Le fameux chronographe 7750, initialement développé par la maison Valjoux, est probablement l'un des calibres les plus robustes et performants. Il est aujourd'hui intégré dans de nombreuses montres. Dans sa version d'origine, la seconde du temps chronométré est indiquée par une grande aiguille au centre du mouvement. Il comporte un compteur des minutes du temps chronométré à 12H, un compteur des heures du temps chronométré à 6H et une petite seconde à 9H. La date peut être affichée à 3H.Among the different functions that a watch can achieve, the chronograph is one of the most frequently implemented. As everyone knows, a chronograph allows, on demand, to measure and display a timed time by means of dedicated indicators, which can be reduced to zero on order. Many mechanisms and constructions make it possible to realize this function. The famous 7750 chronograph, originally developed by Valjoux, is probably one of the most robust and powerful calibers. It is now integrated in many watches. In its original version, the second of timed time is indicated by a large hand in the center of the movement. It has a minute counter time measured at 12 o'clock, a counter of hours of time timed at 6 o'clock and a small second at 9 o'clock. The date can be displayed at 3 o'clock.
Dans sa version 7753, le mouvement comporte les mêmes indications que proposé précédemment. Toutefois, le compteur des minutes est dévié pour indiquer la minute du temps chronométré à 3H et non à 12H. La date est affichée dans un guichet à 4H.In version 7753, the movement has the same indications as previously proposed. However, the minute counter is diverted to indicate the minute of time timed at 3 o'clock and not at 12 o'clock. The date is displayed in a window at 4 o'clock.
De manière conventionnelle, le remontage du mouvement et la correction de l'heure est effectué par la tige de commande située à 3H. Habituellement, dans une position tirée de la tige de commande, un mécanisme de tirette et de pignon baladeur permet d'effectuer également la correction de la date. Ce pignon baladeur comporte, à un premier niveau, un pignon agencé pour interagir avec le mécanisme d'affichage de la date et, à un deuxième niveau, une roue agencée pour interagir avec le train d'affichage de l'heure. Hors, dans un mécanisme tel que mentionné ci-dessus pour le calibre 7753, l'emplacement de l'aiguillage du compteur situé à 3H ne laisse pas une place suffisante pour permettre d'intégrer dans le mouvement un mécanisme de tirette et de pignon baladeur conventionnel.Conventionally, the winding of the movement and the correction of the time is carried out by the control rod located at 3H. Usually, in a position pulled from the control rod, a pull mechanism and sliding pinion can also perform the correction of the date. This sliding pinion comprises, at a first level, a pinion arranged to interact with the date display mechanism and, at a second level, a wheel arranged to interact with the clock display train. Out, in a mechanism as mentioned above for the caliber 7753, the location of the switch of the meter located at 3H does not leave enough space to allow to integrate in the movement a mechanism of zipper and sliding pinion conventional.
Cet inconvénient pourrait être résolu notamment en réhaussant l'aiguillage du compteur situé à 3H, ce qui augmente l'épaisseur de manière relativement importante, dans des dimensions qui rendent le mouvement emboité difficile à porter et nécessite de produire des boites spécifiques. Une autre manière de résoudre ce problème consiste à utiliser un correcteur supplémentaire, agissant à un autre endroit du mouvement sur l'anneau de quantième. Cependant, outre le fait que cela complique la réalisation de la boite, qui doit comporter une ouverture supplémentaire pour l'agencement du correcteur, il est relativement peu élégant et peu technique de devoir faire la correction au moyen d'un correcteur supplémentaire et non pas directement par la tige de commande, ce à quoi les utilisateurs sont généralement habitués.This disadvantage could be solved in particular by raising the switch of the counter located at 3H, which increases the thickness relatively importantly, in dimensions that make the nested movement difficult to wear and requires the production of specific boxes. Another way of solving this problem is to use an additional corrector, acting at another point of the movement on the date ring. However, besides the fact that this complicates the realization of the box, which must have an additional opening for the arrangement of the corrector, it is relatively unattractive and not very technical to have to make the correction by means of an additional corrector and not directly by the control rod, to which users are usually accustomed.
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La présente invention a pour but de résoudre ces inconvénients en proposant une pièce d'horlogerie munie d'un système de correction de l'heure et du quantième particulièrement compact. L'un des buts poursuivis par l'invention est d'offrir un mouvement muni d'un mécanisme de chronographe comportant trois compteurs (dont un pour l'affichage de la seconde du temps courant) et une indication de la date, comportant une correction de l'heure et de la date par la tige de commande, qui n'augmente pas l'épaisseur du mouvement. Les boites utilisées pour un mouvement à deux compteurs ou sans date, peuvent ainsi être utilisées directement, sans autre modification.The present invention aims to solve these disadvantages by providing a timepiece provided with a time correction system and particularly compact date. One of the aims pursued by the invention is to provide a movement provided with a chronograph mechanism comprising three counters (including one for displaying the second of the current time) and an indication of the date, including a correction. of the time and date by the control rod, which does not increase the thickness of the movement. The boxes used for a two-counter movement or without date, can thus be used directly, without further modification.
De façon plus précise, l'invention concerne une pièce d'horlogerie comportant :
- un mouvement agencé pour fournir une indication de l'heure et muni d'un train d'affichage de l'heure,
- un mécanisme d'affichage de la date,
- une tige de commande accessible de l'extérieur de la pièce d'horlogerie et susceptible d'actionner un système de correction de l'indication de l'heure agissant sur le train d'affichage de l'heure lorsque ladite tige est dans une première position, et susceptible d'actionner un système de correction de l'affichage de la date lorsque ladite tige est dans une deuxième position.
- a movement arranged to provide an indication of the time and equipped with a time display train,
- a mechanism for displaying the date,
- a control rod accessible from outside the timepiece and capable of actuating a timekeeping correction system acting on the display train of the time when said rod is in a first position, and capable of operating a correction system of the date display when said rod is in a second position.
La tige de commande est connectée cinématiquement au train d'affichage de l'heure ou au mécanisme d'affichage de la date, par un premier mobile porté par une première bascule, ledit premier mobile étant agencé pour être entraîné par la tige de commande, et par un deuxième mobile porté par une deuxième bascule.The control rod is kinematically connected to the time display train or to the date display mechanism, by a first mobile carried by a first rocker, said first mobile being arranged to be driven by the control rod, and by a second mobile carried by a second flip-flop.
En outre, la deuxième bascule peut évoluer entre une première position dans laquelle la roue du deuxième mobile est reliée cinématiquement avec le train d'affichage, et une deuxième position dans laquelle l'étoile du deuxième mobile est reliée cinématiquement avec le mécanisme d'affichage de la date. La position de la deuxième bascule est définie par la coopération entre les premiers et deuxième mobiles.In addition, the second flip-flop can move between a first position in which the wheel of the second mobile is kinematically connected to the display train, and a second position in which the star of the second mobile is kinematically connected to the display mechanism. of the date. The position of the second rocker is defined by the cooperation between the first and second mobiles.
Dans un mode de réalisation préféré, le deuxième mobile comporte une roue maintenue en prise avec ledit premier mobile, et une étoile. Lorsque la deuxième bascule est dans sa première position, la roue du deuxième mobile est reliée cinématiquement avec le train d'affichage. Lorsque la deuxième bascule est dans sa deuxième position, l'étoile du deuxième mobile est reliée cinématiquement avec le mécanisme d'affichage de la date.In a preferred embodiment, the second mobile comprises a wheel held in engagement with said first mobile, and a star. When the second rocker is in its first position, the wheel of the second mobile is kinematically connected to the display train. When the second latch is in its second position, the star of the second mobile is kinematically connected with the date display mechanism.
Pour le positionnement de la deuxième bascule, la roue du deuxième mobile est maintenue en prise avec un pignon du premier mobile, par l'intermédiaire de l'action d'un organe ressort agissant sur la deuxième bascule.For the positioning of the second rocker, the wheel of the second mobile is held in engagement with a pinion of the first mobile, through the action of a spring member acting on the second rocker.
Par ailleurs, la position de la première bascule est définie par la position de la tige de commande.Furthermore, the position of the first rocker is defined by the position of the control rod.
De manière avantageuse, la roue du deuxième mobile et le pignon du premier mobile sont maintenus engagés en fond de denture.Advantageously, the wheel of the second mobile and the pinion of the first mobile are kept engaged at the bottom of the toothing.
A cet effet, la roue du deuxième mobile et ledit pignon du premier mobile présentent des dentures dont les dents présentent un profil concentrique. Plus particulièrement, chaque extrémité de dent définit une surface concentrique par rapport au centre de la roue ou du pignon. En outre, chaque dent est séparée par un interstice permettant l'insertion de la surface d'une dent de l'autre denture.For this purpose, the wheel of the second mobile and said pinion of the first mobile have teeth whose teeth have a concentric profile. More particularly, each tooth end defines a concentric surface with respect to the center of the wheel or pinion. In addition, each tooth is separated by a gap allowing insertion of the surface of a tooth of the other toothing.
De préférence, le profil de la surface et le profil de l'interstice sont complémentaires.Preferably, the profile of the surface and the profile of the gap are complementary.
Le pignon du premier mobile, la roue du deuxième mobile et le rouage du train d'affichage de l'heure destiné à être relié à ladite roue du deuxième mobile, sont positionnés sur un même niveau et, lorsque la tige est dans sa première position, le pignon du premier mobile engrène directement avec la roue du deuxième mobile, cette dernière engrenant directement avec ledit train d'affichage de l'heure.The pinion of the first mobile, the wheel of the second mobile and the gear train of the time display intended to be connected to said wheel of the second mobile, are positioned on the same level and, when the rod is in its first position , the pinion of the first mobile meshes directly with the wheel of the second mobile, the latter meshing directly with said display train time.
Selon un mode de réalisation préféré, l'étoile de la deuxième bascule est reliée cinématiquement avec le mécanisme d'affichage de la date par l'intermédiaire d'un renvoi présentant une forme d'étoile munie d'un nombre pair de bras, un bras sur deux étant partiellement tronqué, de manière à ce que chaque bras puisse recevoir de l'énergie de l'étoile de la deuxième bascule, seuls les bras entiers pouvant transmettre de l'énergie au mécanisme d'affichage de la date.According to a preferred embodiment, the star of the second flip-flop is kinematically connected to the date display mechanism by means of a star-shaped return provided with an even number of arms, a arm in two being partially truncated, so that each arm can receive energy from the star of the second latch, only whole arms can transmit energy to the date display mechanism.
La présente invention trouve particulièrement à s'appliquer dans une pièce d'horlogerie qui comprend un mécanisme supplémentaire susceptible de fournir une information à afficher en regard de la tige de commande. Le mécanisme supplémentaire peut comporter un mobile d'affichage dont l'axe est superposé avec le premier mobile et dont la planche est située entre l'étoile et la roue du deuxième mobile.The present invention is particularly applicable in a timepiece which comprises an additional mechanism capable of providing information to be displayed opposite the control rod. The additional mechanism may comprise a display mobile whose axis is superimposed with the first mobile and whose board is located between the star and the wheel of the second mobile.
De manière particulièrement avantageuse, le mécanisme supplémentaire est un mécanisme de chronographe et l'information à afficher est une information relative au temps chronométré.Particularly advantageously, the additional mechanism is a chronograph mechanism and the information to be displayed is information relating to the timed time.
Il est réservé la possibilité de revendiquer de manière indépendante :
- la forme spécifique du renvoi ci-dessus et décrite ci-après,
- un système de correction multipostions comprenant deux bascules portant respectivement un premier et un deuxième mobiles, le positionnement de la deuxième bascule étant défini par l'interaction directe entre les premier et deuxième mobiles, ou
- la forme spécifique de la denture du pignon du premier mobile et de la roue du deuxième mobile, tel que mentionnée ci-dessus et décrite ci-après.
- the specific form of the reference above and described below,
- a multipositional correction system comprising two flip-flops respectively carrying a first and a second mobile, the positioning of the second flip-flop being defined by the direct interaction between the first and second mobiles, or
- the specific form of the toothing of the pinion of the first mobile and the wheel of the second mobile, as mentioned above and described below.
D'autres détails de l'invention apparaîtront plus clairement à la lecture de la description qui suit, faite en référence au dessin annexé dans lequel :
- les
figures 1 à 3 montrent, en vue de dessus, des situations et des positions différentes d'une pièce d'horlogerie selon l'invention, tandis que lesfigures 4 et 5 ne montrent que des éléments isolés, également dans deux positions, et - la
figure 6 propose une vue en coupe d'une pièce d'horlogerie selon l'invention.
- the
Figures 1 to 3 show, in top view, different situations and positions of a timepiece according to the invention, while theFigures 4 and 5 show only isolated elements, also in two positions, and - the
figure 6 proposes a sectional view of a timepiece according to the invention.
La description qui suit est faite en référence à l'exemple particulier qui fait l'objet des figures annexées, dans lequel l'invention est mise en oeuvre dans une pièce d'horlogerie munie d'un mécanisme de chronographe. Cette application est effectivement très avantageuse et offre ainsi une solution élégante à un problème posé de longue date, en particulier aux manufactures produisant des calibres de type Valjoux 7750. Toutefois, l'invention n'est pas limitée à une implémentation dans un mécanisme de type chronographe et peut s'appliquer de manière générale à une pièce d'horlogerie munie d'un train d'affichage de l'heure et d'un mécanisme d'affichage de la date.The description which follows is made with reference to the particular example which is the subject of the accompanying figures, in which the invention is implemented in a timepiece provided with a chronograph mechanism. This application is indeed very advantageous and thus offers an elegant solution to a long-standing problem, in particular to manufacturers producing Valjoux 7750 type gauges. However, the invention is not limited to an implementation in a mechanism of the type chronograph and can generally be applied to a timepiece equipped with a time display train and a mechanism for displaying the date.
Sur la
La pièce d'horlogerie proposée comprend également un mécanisme d'affichage de la date, prenant la forme, dans cet exemple, d'un anneau de quantième 12, monté à rotation de manière concentrique au mouvement et doté d'une denture intérieure 12a.The proposed timepiece also includes a date display mechanism, taking the form, in this example, of a
La pièce d'horlogerie comporte encore une tige de commande 14 accessible de l'extérieur de la pièce d'horlogerie. De manière connue, cette tige est montée à rotation au travers de la boite de montre. Elle est également mobile en translation. Elle coopère avec une tirette 16 qui, en fonction de la position longitudinale de la tige, déplace un pignon coulant 18 également monté sur la tige de commande 14.The timepiece further comprises a
La pièce d'horlogerie comporte un premier mobile 20 porté par une première bascule 22. Ce premier mobile 20 comprend, disposés coaxialement et solidairement, une roue 20a dont la denture est positionnée et dimensionnée de manière à engrener avec le pignon coulant 18, et un pignon 20b.The timepiece comprises a first mobile 20 carried by a
De manière avantageuse et comme le montrent particulièrement les
Un premier ressort 24 est agencé de manière à exercer sur la première bascule 22 une force tendant à maintenir la roue 20a du premier mobile 20, en prise avec le pignon coulant 18. Une butée 26 limite toutefois la position de la première bascule 22, permettant ainsi à la tige d'être en position de remontage, c'est-à -dire en position non tirée, sans que le pignon coulant 18 entraîne le premier mobile 20. Ainsi, lorsque la tige est dans l'une quelconque de ses positions tirées, le premier mobile 20 est agencé pour être entraîné par la tige de commande 14.A
On peut également voir que la pièce d'horlogerie comprend un deuxième mobile 28 porté par une deuxième bascule 29. Ce deuxième mobile 28 comprend, disposés coaxialement et solidairement, une roue 28a et une étoile 28b. Un deuxième ressort 30 est agencé de manière à exercer sur la deuxième bascule 29 une force tendant à maintenir la roue du deuxième mobile 28, en prise avec le pignon 20b du premier mobile 20.It can also be seen that the timepiece comprises a second mobile 28 carried by a
De préférence, la roue 28a du deuxième mobile 28 et le pignon 20b du premier mobile 20 sont maintenus engagés en fond de denture. Ainsi l'entraxe de ces deux éléments est maintenu constant, ainsi que la qualité de leur coopération. Par "fond de denture", on entend qu'il n'y a pas de sûreté radiale, qui est définie comme étant le jeu entre la pointe des dents de la roue et le noyau du pignon.Preferably, the
A cet effet, la roue 28a du deuxième mobile 28 comprend une denture 28c identique à celle du pignon 20b du premier mobile 20. De manière avantageuse, le profil de ladite surface et le profil dudit interstice sont sensiblement conjugués. Plus précisément, lors de la rotation du pignon 20b et de la roue 28a, on a successivement le profil de la surface d'une dent du pignon 20b qui reste sensiblement en contact avec le profil de l'interstice de la roue 28a, puis le profil de la surface d'une dent de la roue 28a qui reste sensiblement en contact avec le profil de l'interstice du pignon 20b.For this purpose, the
Grâce au fait que les dents 20c et 28c sont à profil concentrique, on évite tout blocage malgré l'absence de sûreté radiale. De plus, selon un avantage procuré par la construction selon l'invention, la position de la deuxième bascule 29 est définie par la coopération entre lesdits premier 20 et deuxième 28 mobiles. Contrairement aux constructions connues, la deuxième bascule 29 n'est pas positionnée par un appui sur un levier ou une autre bascule. Ceci garantit également le maintien constant de l'entraxe entre les premier et deuxième mobiles.Thanks to the fact that the
Lorsque la tige est en position "Heure", permettant de corriger l'heure, et représentée à la
Dans cette configuration, comme mentionné ci-dessus, la roue du deuxième mobile 28 engrène directement avec le pignon du premier mobile 20. Mais la roue du deuxième mobile 28 engrène également directement avec le train d'affichage de l'heure, selon l'exemple, avec la roue des heures de la minuterie. La tige de commande 14 est ainsi connectée cinématiquement au train d'affichage de l'heure. L'actionnement en rotation de la tige de commande 14 permet donc de corriger cet affichage. De manière avantageuse, on notera que le pignon du premier mobile 20, la roue du deuxième mobile 28 et le rouage du train d'affichage de l'heure destiné à être relié à ladite roue du deuxième mobile 28, sont positionnés sur un même niveau, optimisant l'épaisseur occupée. Il est à relever, comme on le comprendra mieux par la suite, que, dans cette position, la tige de commande 14 n'est pas reliée cinématiquement avec le mécanisme d'affichage de la date.In this configuration, as mentioned above, the wheel of the second mobile 28 meshes directly with the pinion of the first mobile 20. But the wheel of the second mobile 28 also meshes directly with the display train of the hour, according to the example, with the hour wheel of the timer. The
Lorsque la tige est en position "Date", permettant de corriger la date, représentée aux
Dans cette configuration, la roue 28a du deuxième mobile 28 n'est plus en prise avec le train d'affichage de l'heure. L'étoile du deuxième mobile 28 se trouve reliée cinématiquement avec le mécanisme d'affichage de la date. Cette liaison cinématique est obtenue par l'intermédiaire d'un renvoi 32 présentant une forme d'étoile munie d'un nombre pair de bras. Un bras sur deux 32a est partiellement tronqué. Ainsi, chaque bras peut recevoir de l'énergie fournie par l'étoile de la deuxième bascule 29, mais seuls les bras entiers 32b peuvent transmettre de l'énergie au mécanisme d'affichage de la date, typiquement en actionnant la denture intérieure 12a de l'anneau de quantième 12, comme on peut le voir sur la
De manière plus précise, les bras tronqués de l'étoile sont tels que la différence entre leur sommet et la circonférence de base est sensiblement égale à la moitié de la différence entre le sommet d'un bras non tronqué et la circonférence de base. Les extrémités des bras tronqués sont arrondies et ne présentent pas d'angle vif. Le renvoi 32 est nombré de sorte que seuls les bras non tronqués coopèrent avec les dents de l'anneau de quantième 12, tandis que tous les bras, tronqués ou non, reçoivent de l'énergie. Toutefois, grâce au fait que les bras non utiles sont tronqués, tout risque de collision ou de blocage entre le renvoi 32 et l'anneau de quantième 12 est évité, comme on peut le voir sur la
On relèvera que, en position "Heure", l'étoile 28b du deuxième mobile 28 n'embraye pas avec le renvoi 32, comme on peut le constater particulièrement sur la
Ainsi, le dispositif décrit ci-dessus permet de réduire la hauteur et, de manière plus générale, l'encombrement des différents éléments intervenant dans la correction de l'affichage de l'heure ou de la date. Par conséquent, il est possible de combiner ce dispositif de correction avec l'affichage d'une information supplémentaire, fournie par un mécanisme supplémentaire que comprend la pièce d'horlogerie. De manière avantageuse, cette information supplémentaire peut être affichée dans un sous-cadran ou par un organe indicateur monté pivotant en regard de la tige de commande 14, soit, en général, à 3H.Thus, the device described above makes it possible to reduce the height and, more generally, the bulk of the various elements involved in the correction of the display of the time or the date. Therefore, it is possible to combine this correction device with the display of additional information provided by a mechanism additional that includes the timepiece. Advantageously, this additional information can be displayed in a sub-dial or by an indicator member pivotally mounted facing the
Dans l'exemple particulièrement avantageux de la description, le mécanisme supplémentaire est un mécanisme de chronographe. De manière usuelle, on peut afficher la minute du temps chronométré dans un compteur situé à 3H. On pourrait également disposer un compteur d'heure ou trente minutes à cet endroit.In the particularly advantageous example of the description, the additional mechanism is a chronograph mechanism. In the usual way, one can display the minute of the timed time in a counter situated at 3 o'clock. One could also have an hour or thirty minute counter here.
Pour afficher cette information, un mobile d'affichage 34 est entraîné par le mécanisme supplémentaire. L'axe 34a de ce mobile d'affichage 32 est superposé avec le premier mobile 20. Il pivote entre deux ponts 36, dont l'un peut être situé dans le plan du pignon 20b du premier mobile 20, l'axe 34a du mobile d'affichage étant situé en dehors de l'axe du premier mobile 20. Pour optimiser la compacité de l'ensemble, la planche 34b du mobile d'affichage 34 est située entre la roue 28a et l'étoile 28b du deuxième mobile 28. Grâce à cette configuration, le mobile d'affichage 34 peut porter un organe indicateur qui, sur le cadran, est positionné à 3H, à l'endroit habituel pour un chronographe ne comportant pas d'affichage de la date, ou dont celle-ci est corrigée par un correcteur.To display this information, a display mobile 34 is driven by the additional mechanism. The
Naturellement, on pourrait reprendre cet agencement pour afficher d'autres informations qu'un temps chronométré, par exemple, un deuxième fuseau horaire ou une phase de lune.Naturally, this arrangement could be used to display other information than a timed time, for example, a second time zone or a moon phase.
La description qui précède a été donnée à titre d'illustration de l'invention et n'est pas limitative. Seules les revendications délimitent la portée de l'invention.The foregoing description has been given by way of illustration of the invention and is not limiting. Only the claims define the scope of the invention.
Claims (12)
- A timepiece comprising:- a movement arranged to provide an indication of the time and provided with a time display train,- a date display mechanism,- a control arbor (14) accessible from outside the timepiece and able to actuate a system for correcting the time indication acting on the time display train when said arbor is in a first position, and able to actuate a system correcting the date display when said arbor is in a second position, said control arbor (14) being kinematically connected to the time display train or to the date display mechanism by a first wheel (20) carried by a first lever (22), said first wheel (20) being arranged to be driven by the control arbor (14),
characterized in that said control arbor (14) is also kinematically connected to the time display train or to the date display mechanism by a second wheel (28) carried by a second lever (29),
characterized in that said second lever (29) is able to move between a first position in which the second wheel (28) is kinematically connected to the time display train, and a second position in which said second wheel (28) is kinematically connected to the date display mechanism,
characterized in that the position of said second lever (29) is defined by the cooperation between said first (20) and second (28) wheels. - The timepiece according to claim 1, characterized in that said second wheel (28) comprises a disc (28a) kept engaged with said first wheel (20), and a starwheel (28b),
and in that, when said second lever (29) is in its first position, said disc of the second wheel (28) is kinematically connected to the display train, and when said second lever (29) is in its second position, said starwheel of the second wheel (28) is kinematically connected to the date display mechanism. - The timepiece according to claim 2, characterized in that said disc of the second wheel (28) is kept engaged with a pinion (20b) of the first wheel (20), by means of the action of a spring organ (30) acting on the second lever (29).
- The timepiece according to claim 3, characterized in that the position of the first lever (22) is defined by the position of the control arbor (14).
- The timepiece according to one of claims 3 or 4, characterized in that said disc of the second wheel (28) and said pinion (20b) of the first wheel (20) are kept engaged with bottomed-out teeth.
- The timepiece according to claim 5, characterized in that said disc of the second wheel (28) and said pinion of the first wheel (20) have toothings in which the teeth have, at their ends, a concentric surface with respect to the center of the disc, the pinion, respectively, of each tooth being separated by an interstice allowing the insertion of the surface.
- The timepiece according to claim 6, characterized in that the profile of said surface and the profile of said interstice are complementary.
- The timepiece according to one of claims 3 to 7, characterized in that said pinion of the first wheel (20), said disc of the second wheel (28) and the gear train of the time display train designed to be connected to said disc of the second wheel (28) are positioned on the same level, and in that, when the arbor is in its first position, the pinion of the first wheel (20) meshes directly with said disc of the second wheel (28), the latter meshing directly with said time display train.
- The timepiece according to one of claims 2 to 8, characterized in that said starwheel of the second lever (29) is kinematically connected to the date display mechanism by means of an intermediate wheel (32) in the shape of a star with an even number of arms, every other arm being partially truncated, such that each arm can receive energy from said starwheel of the second lever (29), only the whole arms being able to transmit energy to the date display mechanism.
- The timepiece according to one of the preceding claims, characterized in that it comprises an additional mechanism able to provide information to be displayed across from the control arbor (14), said additional mechanism comprising a display wheel (34) comprising an axis (34a) superimposed with the first wheel (20) and a plate (34b) situated between the starwheel (28b) and the disc (28a) of the second wheel (28).
- The timepiece according to claim 10, characterized in that the additional mechanism is a chronograph mechanism and in that said information to be displayed is information relative to the timed time.
- The timepiece according to claim 11, characterized in that said information to be displayed is the minute of the timed time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12719396.9A EP2707778B1 (en) | 2011-05-12 | 2012-05-09 | Timepiece |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11165927A EP2523054A1 (en) | 2011-05-12 | 2011-05-12 | Timepiece |
EP12719396.9A EP2707778B1 (en) | 2011-05-12 | 2012-05-09 | Timepiece |
PCT/EP2012/058562 WO2012152838A1 (en) | 2011-05-12 | 2012-05-09 | Timepiece |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2707778A1 EP2707778A1 (en) | 2014-03-19 |
EP2707778B1 true EP2707778B1 (en) | 2015-03-25 |
Family
ID=46044714
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11165927A Withdrawn EP2523054A1 (en) | 2011-05-12 | 2011-05-12 | Timepiece |
EP12719396.9A Active EP2707778B1 (en) | 2011-05-12 | 2012-05-09 | Timepiece |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11165927A Withdrawn EP2523054A1 (en) | 2011-05-12 | 2011-05-12 | Timepiece |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP2523054A1 (en) |
WO (1) | WO2012152838A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9785115B2 (en) | 2015-09-15 | 2017-10-10 | Eta Sa Manufacture Horlogere Suisse | Timepiece movement comprising a date correction mechanism |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH713604A1 (en) | 2017-03-22 | 2018-09-28 | Sa De La Manufacture Dhorlogerie Audemars Piguet & Cie | Selection and actuation mechanism as well as a device for adjusting the functions of a timepiece. |
EP4375763A1 (en) | 2022-11-24 | 2024-05-29 | ETA SA Manufacture Horlogère Suisse | Clock movement comprising a mechanism for correcting a display |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH376059A (en) * | 1962-02-27 | 1963-05-31 | Brac Ag | Clock with adjustment device for a date disc |
JPS5142064U (en) * | 1974-09-25 | 1976-03-29 | ||
EP2012199B9 (en) * | 2007-07-02 | 2019-02-13 | Rolex Sa | Timepiece fitted with a device for the control of functions and/or time indications |
-
2011
- 2011-05-12 EP EP11165927A patent/EP2523054A1/en not_active Withdrawn
-
2012
- 2012-05-09 EP EP12719396.9A patent/EP2707778B1/en active Active
- 2012-05-09 WO PCT/EP2012/058562 patent/WO2012152838A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9785115B2 (en) | 2015-09-15 | 2017-10-10 | Eta Sa Manufacture Horlogere Suisse | Timepiece movement comprising a date correction mechanism |
Also Published As
Publication number | Publication date |
---|---|
WO2012152838A1 (en) | 2012-11-15 |
EP2523054A1 (en) | 2012-11-14 |
EP2707778A1 (en) | 2014-03-19 |
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