EP2031468B1 - Watch equipped with a function indicator - Google Patents

Watch equipped with a function indicator Download PDF

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Publication number
EP2031468B1
EP2031468B1 EP07115258A EP07115258A EP2031468B1 EP 2031468 B1 EP2031468 B1 EP 2031468B1 EP 07115258 A EP07115258 A EP 07115258A EP 07115258 A EP07115258 A EP 07115258A EP 2031468 B1 EP2031468 B1 EP 2031468B1
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EP
European Patent Office
Prior art keywords
crown
dial
watch
function indicator
axial
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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Application number
EP07115258A
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German (de)
French (fr)
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EP2031468A1 (en
Inventor
Christian Bracher
Raphaël Courvoisier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to AT07115258T priority Critical patent/ATE469380T1/en
Priority to EP07115258A priority patent/EP2031468B1/en
Priority to DE602007006799T priority patent/DE602007006799D1/en
Priority to JP2008216207A priority patent/JP5221247B2/en
Priority to US12/199,105 priority patent/US7862226B2/en
Priority to CN2008101309623A priority patent/CN101377651B/en
Publication of EP2031468A1 publication Critical patent/EP2031468A1/en
Priority to HK09107918.5A priority patent/HK1129931A1/en
Application granted granted Critical
Publication of EP2031468B1 publication Critical patent/EP2031468B1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • 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

Definitions

  • the present invention relates to a watch provided with a box that contains a watch movement, a dial and a function indicator associated with the dial, and a control ring disposed on the periphery of the box and having an axis of rotation. substantially parallel to the dial, said ring being slidable in its axial direction to be placed in axial positions corresponding to different functions in the watch, the function indicator being controlled by the axial displacements of the ring gear via a transmission mechanism.
  • Such function indicators have already been provided, either so that the wearer of the watch does not err in function if the crown controls several, or to indicate that a crown called “screwed” is in its screwed position, that is to say a position which ensures a reinforced sealing of the watch case at the control rod, by compressing a seal under the crown.
  • the first type mentioned above is illustrated in particular by the patent CH 534 381 according to which the control rod cooperates, in a first position, with a rotary selector which engages with a pinion of the rod one of the correction mechanisms that can be actuated by the rod put in its second position.
  • the selector carries function symbols, which appear in turn in a window of the dial.
  • This system has a complicated construction, making it difficult to mount and dismount the movement in the box. In addition, it always requires several manipulations to perform each function, because the selector must be returned to a neutral position after use.
  • the patent EP 836 125 for an electronic alarm watch provides for the activation of the alarm by means of a rocker controlled by the axial displacement of the rod and fulfilling a dual role: an electric switch for the alarm function and an actuating lever a visual pointer on the dial.
  • an electric switch for the alarm function and an actuating lever a visual pointer on the dial.
  • Such an indicator obviously has only two positions.
  • a function indicator associated especially with a crown screwed into the patent EP 730 758 . It is known that a screw-type crown is generally not fixed directly to the control rod, but to a sleeve surrounding the rod and cooperating with it by means of a coupling which allows axial play during screwing of the rod. crown, so as not to push the rod too far.
  • the cited patent provides, on the inner end of this sleeve, a driving finger which, at the end of travel of the sleeve, rotates an interengaged gear in openings of a slider placed under the periphery of the dial.
  • a driving finger which, at the end of travel of the sleeve, rotates an interengaged gear in openings of a slider placed under the periphery of the dial.
  • One end of the slider appears in a window of the dial while screwing the crown ends.
  • the interest of such an indicator is limited, since it can indicate only one function.
  • a screwed crown of a mechanical watch has at least three positions (screwed, reassembly, time setting) and often a fourth for the correction of a calendar or other complication.
  • the present invention aims at avoiding the disadvantages of the prior art, by providing a device capable of indicating the different functions corresponding to the different axial positions of the control ring, in particular at least three positions, with a very simple construction and a small footprint inside the watch box.
  • the device must be feasible as an additional mechanism to a standard movement.
  • An additional goal is that the device allows easy assembly and disassembly.
  • the axial displacements of the crown are transmitted to the function indicator by a simple slide whose arrangement and movements are parallel to the movement control rod, therefore occupy much less space than lever mechanisms or gear of the prior art.
  • the slider may be thin enough to be housed in a shallow groove, milled into the thickness of the watch movement platen, and thus extend to the desired location of the function indicator. .
  • the wristwatch 1 represented in the figure 1 comprises, in a conventional manner, a sealed box 2 containing a clockwork movement, a time display by means of hands in front of a dial 4, and a display 5 of the date, in this case the date, in a window of the dial or in another way.
  • the movement is mechanical in the present case, but it could as well be electromechanical with the same embodiment of the invention.
  • the date display could also include an indication of the day of the week, month, etc. and could be electric in other cases.
  • the movement is provided with a control rod 6 ( figure 2 ) rotating and sliding, which passes through the middle part 7 of the box 1 and carries at its outer end a ring 8 which, in this example, is screw-type crown.
  • the screwed crown of a calendar watch can usually occupy four distinct axial positions: screwed, reassembled (or neutral if the movement is electromechanical), set date, set time.
  • a mechanical visual indicator 10 which constantly indicates in which of these positions is the crown 8, therefore the respective functions that can fill the crown 8 when it is put in these positions.
  • this indicator is disposed on the dial 4 in the vicinity of the crown 8, more precisely between the crown and the center of the dial.
  • the indicator 10 comprises a needle 11 connected to the crown 8 by a mechanical transmission so as to pivot in front of a sectorial field 12 drawn on the dial 4.
  • the field 12 is divided into four sectors which correspond to the four positions of the crown and carry symbols representing the functions for example: a colored dot O for the screwed position ensuring sealing, R for reassembly or neutral position, D for setting the date, H for setting the time.
  • these symbols are arranged (from left to right in the drawing) in the same order as the corresponding positions of the crown.
  • FIG. 2 there is recognized a known screwed crown construction, shown here in its screwed position.
  • a tube 13 fixed in a hole of the middle part 7 is prominent outside the watch case and contains a rotating sleeve 15 which is welded inside the ring 8 and which can slide along the axis 14 of the tube and the crown.
  • the sleeve 15 has a central channel 16 with a polygonal section, having an inner rim 17 at the front and in which a rod holder 18 can slide axially within certain limits, but remains connected in rotation to the sleeve and to the crown by means of a polygonal collar 19.
  • the rod holder 18 is fixed by screwing at the end of the control rod 6 of the movement of the watch.
  • the ring 8 contains an annular seal 20 and has an internal thread which is screwed on an external thread 22 of the tube 13 until the seal 20 is strongly compressed between the ring and the tube to ensure a high seal.
  • another seal 23 provides the usual seal between the tube 13 and the sleeve 15.
  • the rod 6 is of conventional construction, with a square section 25 carrying a sliding pinion 26 whose position is controlled in a known manner from a pull tab (not shown).
  • This device may comprise notches which define the three axial positions of the rod 6.
  • the mechanical transmission 30 connecting the ring 8 to the needle 11 of the function indicator 10 is visible in detail in FIG. figure 2 .
  • a shaft 31 connects the needle 11 to a pinion 32 located behind the dial 4 and stopped in discrete positions by a jumper spring 33.
  • the pinion 32 is meshed on a rack 34 formed on one side of the rear part of a slider plate 35, this portion 37 being guided in a groove 36 formed in the normal thickness of the plate of the movement. Near the end of the groove 36, the slide has a narrowed portion 38 and is continued by an arm 39 terminated by a lateral finger 40.
  • a bevel is provided on the end of the sleeve 15 as well as that of the finger 40 to facilitate their assembly using the flexibility of the narrowed portion 38.
  • a hole 43 in the finger allows to insert a tip to spread the finger 40 to disassemble the transmission 30 or the crown 8.
  • the mechanical transmission 30, consisting essentially of flat parts 32 and 35 parallel to the platen of the movement, has a small thickness and can be accommodated largely in shallow recesses - called “counterbore” - platinum, being maintained by only one bridge. It is also not bulky in its plan, since the slider is narrow and it moves longitudinally inside its groove. It thus sweeps only a minimum of space while moving. Thus, it is possible to incorporate it in a standard caliber by modifying very little it.
  • each axial displacement of the crown 8 rotates the pinion 32 and the needle 11 in proportion to the amplitude of the displacement, so that the four functional positions of the ring correspond to defined positions of the needle 11 in front of the four respective sectors O, R, D and H of indicator 10.
  • the needle 11 is in front of the sector O and indicates that the sealing function of the crown is ensured.
  • the spring 28 causes the crown and the sleeve 15 to move backwards until the rim 17 of the sleeve is stopped, as shown in FIG. figure 3 by the collar 19 of the rod holder 18 which has not moved axially.
  • This position of the sleeve places the needle 11 in front of the sector R of the indicator 10, indicating that the crown is ready to be turned for reassembly of the movement.
  • the explicit indication of the function that will be fulfilled by rotation of the crown in the current axial position facilitates the adjustment of the watch, because the user does not need to turn the crown to check if the stem was pulled from one notch or two. This avoids unintentionally changing the time or date, as commonly happens with a usual watch when the position of the crown is not the one we believe.
  • the rotary elements 11, 31 and 32 could be deleted and the function indicator could be constituted by symbols such as O, R, D and H carried by the slider 35 and appearing in a window of the dial. 4.
  • the indication by a needle better visualizes the progressive arrival in the screwed position.
  • the sleeve 15 does not generally exist and the ring is attached to the end of the control rod.
  • a groove equivalent to the groove 41 may be provided on the rod to receive the finger 40 of the slide of the device according to the invention. The indicated axial position will actually be that of the stem, but the construction of the transmission and indicator may remain unchanged.

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

Abstract

The watch has a function indicator arranged between a screwed control crown (8) and a dial. The crown is arranged on a periphery of a sealed case, and has a rotational axis (14) that is parallel to the dial. The indicator is controlled by axial displacement of the crown via a transmission mechanism (30). The mechanism has a flat slide (35) partially mobile with the rotational axis of the crown. The slide has a lateral finger (40) engaged in an annular groove (41) of a rotative sleeve (15) integrated with the crown.

Description

Arrière-plan de l'inventionBackground of the invention

La présente invention concerne une montre pourvue d'une boîte qui contient un mouvement d'horlogerie, un cadran et un indicateur de fonctions associé au cadran, et d'une couronne de commande disposée sur la périphérie de la boîte et ayant un axe de rotation sensiblement parallèle au cadran, ladite couronne étant coulissante dans sa direction axiale pour être mise dans des positions axiales correspondant à différentes fonctions dans la montre, l'indicateur de fonctions étant commandé par les déplacements axiaux de la couronne via un mécanisme de transmission.The present invention relates to a watch provided with a box that contains a watch movement, a dial and a function indicator associated with the dial, and a control ring disposed on the periphery of the box and having an axis of rotation. substantially parallel to the dial, said ring being slidable in its axial direction to be placed in axial positions corresponding to different functions in the watch, the function indicator being controlled by the axial displacements of the ring gear via a transmission mechanism.

De tels indicateurs de fonctions ont déjà été prévus, soit pour que le porteur de la montre ne se trompe pas de fonction si la couronne en commande plusieurs, soit pour indiquer qu'une couronne dite « vissée » se trouve bien dans sa position vissée, c'est-à-dire une position qui assure une étanchéité renforcée de la boîte de montre au niveau de la tige de commande, par compression d'un joint sous la couronne.Such function indicators have already been provided, either so that the wearer of the watch does not err in function if the crown controls several, or to indicate that a crown called "screwed" is in its screwed position, that is to say a position which ensures a reinforced sealing of the watch case at the control rod, by compressing a seal under the crown.

Le premier type susmentionné est illustré notamment par le brevet CH 534 381 selon lequel la tige de commande coopère, dans une première position, avec un sélecteur rotatif qui met en prise avec un pignon de la tige l'un des mécanismes de correction pouvant être actionnés par la tige mise dans sa seconde position. Le sélecteur porte des symboles de fonctions, qui apparaissent à tour de rôle dans un guichet du cadran. Ce système présente une construction compliquée, rendant difficile le montage et le démontage du mouvement dans la boîte. En outre, il nécessite toujours plusieurs manipulations pour effectuer chaque fonction, car le sélecteur doit être remis dans une position neutre après usage. De son côté, le brevet EP 836 125 prévoit, pour une montre électronique à alarme, la commande d'enclenchement de l'alarme au moyen d'une bascule commandée par le déplacement axial de la tige et remplissant un double rôle : interrupteur électrique pour la fonction alarme et levier d'actionnement d'un indicateur visuel à aiguille sur le cadran. Un tel indicateur n'a évidemment que deux positions.The first type mentioned above is illustrated in particular by the patent CH 534 381 according to which the control rod cooperates, in a first position, with a rotary selector which engages with a pinion of the rod one of the correction mechanisms that can be actuated by the rod put in its second position. The selector carries function symbols, which appear in turn in a window of the dial. This system has a complicated construction, making it difficult to mount and dismount the movement in the box. In addition, it always requires several manipulations to perform each function, because the selector must be returned to a neutral position after use. For its part, the patent EP 836 125 for an electronic alarm watch, provides for the activation of the alarm by means of a rocker controlled by the axial displacement of the rod and fulfilling a dual role: an electric switch for the alarm function and an actuating lever a visual pointer on the dial. Such an indicator obviously has only two positions.

Une montre Richard Mille dénommée Calibre RM008, mentionnée sur le site web Worldtempus.com parmi les nouveautés 2004, comportait un indicateur de fonctions à trois positions correspondant aux positions de la couronne de commande, dont apparemment une position étanche. Toutefois aucune description de ce dispositif particulier n'est connue du demandeur. On trouve la description d'un indicateur de fonctions associé spécialement à une couronne vissée dans le brevet EP 730 758 . On sait qu'une couronne du type vissé n'est en général pas fixée directement à la tige de commande, mais à un manchon entourant la tige et coopérant avec elle au moyen d'un accouplement qui permet un jeu axial pendant le vissage de la couronne, afin de ne pas pousser la tige trop loin. Le brevet cité prévoit, sur l'extrémité intérieure de ce manchon, un doigt entraîneur qui, en fin de course du manchon, fait tourner une roue dentée engrenée dans des ouvertures d'un coulisseau placé sous la périphérie du cadran. Une extrémité du coulisseau apparaît dans un guichet du cadran pendant que le vissage de la couronne se termine. L'intérêt d'un tel indicateur est limité, puisqu'il ne peut indiquer qu'une seule fonction. Or une couronne vissée d'une montre mécanique a au moins trois positions (vissée, remontage, mise à l'heure) et souvent une quatrième pour la correction d'un calendrier ou d'une autre complication.A Richard Mille watch named Caliber RM008, mentioned on the Worldtempus.com website among the new items in 2004, included a three-position function indicator corresponding to the positions of the control crown, apparently a sealed position. However no description of this particular device is known to the applicant. There is the description of a function indicator associated especially with a crown screwed into the patent EP 730 758 . It is known that a screw-type crown is generally not fixed directly to the control rod, but to a sleeve surrounding the rod and cooperating with it by means of a coupling which allows axial play during screwing of the rod. crown, so as not to push the rod too far. The cited patent provides, on the inner end of this sleeve, a driving finger which, at the end of travel of the sleeve, rotates an interengaged gear in openings of a slider placed under the periphery of the dial. One end of the slider appears in a window of the dial while screwing the crown ends. The interest of such an indicator is limited, since it can indicate only one function. But a screwed crown of a mechanical watch has at least three positions (screwed, reassembly, time setting) and often a fourth for the correction of a calendar or other complication.

En outre, il a été proposé des montres ayant un sélecteur pour choisir les fonctions à remplir par la couronne ou par un poussoir multifonctionnel, le sélecteur étant naturellement pourvu d'un indicateur de fonctions. Cela nécessite deux organes de commande distincts, pénétrant chacun dans la boîte de montre, ce qui n'est évidemment pas le cas de l'invention présentée ici.In addition, it has been proposed watches having a selector for choosing the functions to be filled by the crown or a multifunctional pushbutton, the selector being naturally provided with a function indicator. This requires two separate control members, each entering the watch case, which is obviously not the case of the invention presented here.

Résumé de l'inventionSummary of the invention

La présente invention vise à éviter les inconvénients de l'art antérieur, en fournissant un dispositif capable d'indiquer les différentes fonctions correspondant aux différentes positions axiales de la couronne de commande, en particulier au moins trois positions, avec une construction très simple et un faible encombrement à l'intérieur de la boîte de montre. Le dispositif doit être réalisable comme mécanisme additionnel à un mouvement standard. Un but supplémentaire est que le dispositif permette un montage et un démontage faciles.The present invention aims at avoiding the disadvantages of the prior art, by providing a device capable of indicating the different functions corresponding to the different axial positions of the control ring, in particular at least three positions, with a very simple construction and a small footprint inside the watch box. The device must be feasible as an additional mechanism to a standard movement. An additional goal is that the device allows easy assembly and disassembly.

A cet effet, il est prévu une montre telle que définie dans la revendication 1.For this purpose, there is provided a watch as defined in claim 1.

Grâce à ces caractéristiques, les déplacements axiaux de la couronne sont transmis à l'indicateur de fonctions par un simple coulisseau dont la disposition et les mouvements sont parallèles à la tige de commande du mouvement, donc occupent beaucoup moins de place que les mécanismes à leviers ou à engrenage de l'art antérieur. En outre, le coulisseau peut être assez mince pour être logé dans une rainure peu profonde, fraisée dans l'épaisseur de la platine du mouvement d'horlogerie, et s'étendre ainsi jusqu'à l'emplacement souhaité de l'indicateur de fonctions.Thanks to these characteristics, the axial displacements of the crown are transmitted to the function indicator by a simple slide whose arrangement and movements are parallel to the movement control rod, therefore occupy much less space than lever mechanisms or gear of the prior art. In addition, the slider may be thin enough to be housed in a shallow groove, milled into the thickness of the watch movement platen, and thus extend to the desired location of the function indicator. .

D'autres caractéristiques et avantages de l'invention apparaîtront dans la description suivante d'un mode de réalisation particulier, présenté à titre d'exemple uniquement et illustré par les dessins annexés.Other features and advantages of the invention will become apparent from the following description of a particular embodiment, given by way of example only and illustrated by the accompanying drawings.

Description sommaire des dessinsBrief description of the drawings

  • La figure 1 est une vue frontale schématique d'une montre-bracelet pourvue d'une couronne vissée et d'un indicateur de fonctions selon l'invention,The figure 1 is a schematic front view of a wristwatch provided with a screwed crown and a function indicator according to the invention,
  • la figure 2 est une vue en coupe partielle schématique de la couronne de commande de la montre de la figure 1 en position vissée, montrant en outre le mécanisme de transmission qui relie cette couronne à l'indicateur de fonctions, etthe figure 2 is a schematic partial sectional view of the control crown of the watch of the figure 1 in the screwed position, further showing the transmission mechanism which connects this crown to the function indicator, and
  • les figures 3 à 5 représentent trois autres positions dudit mécanisme pour trois positions axiales fonctionnelles de la couronne.the Figures 3 to 5 represent three other positions of said mechanism for three functional axial positions of the ring.
Description détaillée d'un mode de réalisationDetailed description of an embodiment

La montre-bracelet 1 représentée dans la figure 1 comporte, de manière classique, une boîte étanche 2 contenant un mouvement d'horlogerie, un affichage de l'heure au moyen d'aiguilles devant un cadran 4, et un affichage 5 de la date, en l'occurrence le quantième, dans un guichet du cadran ou d'une autre manière. Le mouvement est mécanique dans le cas présent, mais il pourrait aussi bien être électromécanique avec le même mode de réalisation de l'invention. L'affichage de la date pourrait aussi comprendre une indication du jour de la semaine, du mois, etc. et pourrait être électrique dans d'autres cas. Comme d'habitude, le mouvement est pourvu d'une tige de commande 6 (figure 2) rotative et coulissante, qui traverse de manière étanche la carrure 7 de la boîte 1 et porte à son extrémité extérieure une couronne 8 qui, dans cet exemple, est du type couronne vissée.The wristwatch 1 represented in the figure 1 comprises, in a conventional manner, a sealed box 2 containing a clockwork movement, a time display by means of hands in front of a dial 4, and a display 5 of the date, in this case the date, in a window of the dial or in another way. The movement is mechanical in the present case, but it could as well be electromechanical with the same embodiment of the invention. The date display could also include an indication of the day of the week, month, etc. and could be electric in other cases. As usual, the movement is provided with a control rod 6 ( figure 2 ) rotating and sliding, which passes through the middle part 7 of the box 1 and carries at its outer end a ring 8 which, in this example, is screw-type crown.

Comme on l'a rappelé plus haut, la couronne vissée d'une montre à calendrier peut habituellement occuper quatre positions axiales distinctes : vissée, remontage (ou neutre si le mouvement est électromécanique), mise à la date, mise à l'heure. Avec la présente invention, il est prévu dans cette montre un indicateur visuel mécanique 10 qui indique constamment dans laquelle de ces positions se trouve la couronne 8, donc les fonctions respectives que peut remplir la couronne 8 quand elle est mise dans ces positions. Pour clarifier l'information qu'il donne, cet indicateur est disposé sur le cadran 4 au voisinage de la couronne 8, plus précisément entre la couronne et le centre du cadran. Dans le mode de réalisation représenté dans les dessins, l'indicateur 10 comporte une aiguille 11 reliée à la couronne 8 par une transmission mécanique de façon à pivoter devant un champ sectoriel 12 dessiné sur le cadran 4. Le champ 12 est divisé en quatre secteurs qui correspondent aux quatre positions de la couronne et portent des symboles représentant les fonctions correspondantes, par exemple : un point coloré O pour la position vissée assurant l'étanchéité, R pour le remontage ou la position neutre, D pour la mise à la date, H pour la mise à l'heure. Afin de faciliter les manoeuvres de la couronne par l'utilisateur, ces symboles sont rangés (de gauche à droite dans le dessin) dans le même ordre que les positions correspondantes de la couronne. Ainsi on voit bien que pour pouvoir corriger l'heure, il faut tirer la couronne 8 dans le sens de la flèche T jusqu'à la dernière position, correspondant à l'indication H.As mentioned above, the screwed crown of a calendar watch can usually occupy four distinct axial positions: screwed, reassembled (or neutral if the movement is electromechanical), set date, set time. With the present invention, there is provided in this watch a mechanical visual indicator 10 which constantly indicates in which of these positions is the crown 8, therefore the respective functions that can fill the crown 8 when it is put in these positions. To clarify the information it gives, this indicator is disposed on the dial 4 in the vicinity of the crown 8, more precisely between the crown and the center of the dial. In the embodiment shown in the drawings, the indicator 10 comprises a needle 11 connected to the crown 8 by a mechanical transmission so as to pivot in front of a sectorial field 12 drawn on the dial 4. The field 12 is divided into four sectors which correspond to the four positions of the crown and carry symbols representing the functions for example: a colored dot O for the screwed position ensuring sealing, R for reassembly or neutral position, D for setting the date, H for setting the time. In order to facilitate the maneuvers of the crown by the user, these symbols are arranged (from left to right in the drawing) in the same order as the corresponding positions of the crown. Thus we see that in order to correct the time, it is necessary to pull the crown 8 in the direction of the arrow T to the last position, corresponding to the indication H.

Dans la figure 2, on reconnaît une construction connue de couronne vissée, représentée ici dans sa position vissée. Un tube 13 fixé dans un trou de la carrure 7 est proéminent à l'extérieur de la boîte de montre et contient un manchon rotatif 15 qui est soudé à l'intérieur de la couronne 8 et qui peut coulisser suivant l'axe 14 du tube et de la couronne. Le manchon 15 possède un canal central 16 à section polygonale, ayant un rebord intérieur 17 à l'avant et dans lequel un porte-tige 18 peut coulisser axialement dans certaines limites, mais reste lié en rotation au manchon et à la couronne grâce à un collet polygonal 19. Le porte-tige 18 est fixé par vissage à l'extrémité de la tige de commande 6 du mouvement de la montre. La couronne 8 contient un joint annulaire d'étanchéité 20 et comporte un filetage interne qui se visse sur un filetage externe 22 du tube 13 jusqu'à ce que le joint 20 soit fortement comprimé entre la couronne et le tube pour garantir une étanchéité élevée. Lorsque la couronne est dévissée, un autre joint 23 assure l'étanchéité ordinaire entre le tube 13 et le manchon 15.In the figure 2 , there is recognized a known screwed crown construction, shown here in its screwed position. A tube 13 fixed in a hole of the middle part 7 is prominent outside the watch case and contains a rotating sleeve 15 which is welded inside the ring 8 and which can slide along the axis 14 of the tube and the crown. The sleeve 15 has a central channel 16 with a polygonal section, having an inner rim 17 at the front and in which a rod holder 18 can slide axially within certain limits, but remains connected in rotation to the sleeve and to the crown by means of a polygonal collar 19. The rod holder 18 is fixed by screwing at the end of the control rod 6 of the movement of the watch. The ring 8 contains an annular seal 20 and has an internal thread which is screwed on an external thread 22 of the tube 13 until the seal 20 is strongly compressed between the ring and the tube to ensure a high seal. When the ring is unscrewed, another seal 23 provides the usual seal between the tube 13 and the sleeve 15.

La tige 6 est de construction classique, avec un tronçon carré 25 portant un pignon coulant 26 dont la position est commandée de manière connue à partir d'une tirette (non représentée). Ce dispositif peut comporter des crans qui définissent les trois positions axiales de la tige 6. En comparant la figure 2 et la figure 3, on peut voir que lorsqu'on visse la couronne 8 sur le tube 13, la tige 6 ne se déplace pas pendant que le manchon 15 avance, de sorte que le rebord intérieur 17 du manchon s'éloigne du collet 19 du porte-tige 18. Par contre, dans les autres positions de la couronne, selon les figures 3 à 5, le collet 19 est maintenu en appui contre le rebord 17 par un ressort de compression 28, de sorte que la tige 6 suit les mouvements axiaux de la couronne 8 dans les deux sens, ainsi que les mouvements rotatifs.The rod 6 is of conventional construction, with a square section 25 carrying a sliding pinion 26 whose position is controlled in a known manner from a pull tab (not shown). This device may comprise notches which define the three axial positions of the rod 6. By comparing the figure 2 and the figure 3 it can be seen that when the crown 8 is screwed onto the tube 13, the rod 6 does not move while the sleeve 15 is advancing, so that the inner rim 17 of the sleeve moves away from the collar 19 of the holder 18. On the other hand, in the other positions of the Crown, according to Figures 3 to 5 the collar 19 is held in abutment against the flange 17 by a compression spring 28, so that the rod 6 follows the axial movements of the ring 8 in both directions, as well as the rotary movements.

La transmission mécanique 30 reliant la couronne 8 à l'aiguille 11 de l'indicateur de fonctions 10 est visible en détails dans la figure 2. Un arbre 31 relie l'aiguille 11 à un pignon 32 situé derrière le cadran 4 et arrêté dans des positions discrètes par un ressort sautoir 33. Le pignon 32 est engrené sur une crémaillère 34 ménagée sur un côté de la partie arrière d'un coulisseau plat 35, cette partie 37 étant guidée dans une rainure 36 ménagée dans l'épaisseur normale de la platine du mouvement. Près de l'extrémité de la rainure 36, le coulisseau présente une partie rétrécie 38 et se continue par un bras 39 terminé par un doigt latéral 40. Celui-ci est maintenu engagé dans une gorge annulaire 41 entourant l'extrémité proximale du manchon 15, sous l'effet d'un ressort 42, de sorte que le coulisseau 35 accompagne tous les mouvements axiaux du manchon 15 et de la couronne 8. Un biseau est ménagé aussi bien sur l'extrémité du manchon 15 que sur celle du doigt 40 afin de faciliter leur assemblage en utilisant la flexibilité de la partie rétrécie 38. Un trou 43 dans le doigt permet d'insérer une pointe pour écarter le doigt 40 afin de démonter la transmission 30 ou la couronne 8.The mechanical transmission 30 connecting the ring 8 to the needle 11 of the function indicator 10 is visible in detail in FIG. figure 2 . A shaft 31 connects the needle 11 to a pinion 32 located behind the dial 4 and stopped in discrete positions by a jumper spring 33. The pinion 32 is meshed on a rack 34 formed on one side of the rear part of a slider plate 35, this portion 37 being guided in a groove 36 formed in the normal thickness of the plate of the movement. Near the end of the groove 36, the slide has a narrowed portion 38 and is continued by an arm 39 terminated by a lateral finger 40. This is held engaged in an annular groove 41 surrounding the proximal end of the sleeve 15 , under the effect of a spring 42, so that the slider 35 accompanies all the axial movements of the sleeve 15 and the ring 8. A bevel is provided on the end of the sleeve 15 as well as that of the finger 40 to facilitate their assembly using the flexibility of the narrowed portion 38. A hole 43 in the finger allows to insert a tip to spread the finger 40 to disassemble the transmission 30 or the crown 8.

La transmission mécanique 30, formée essentiellement de pièces plates 32 et 35 parallèles à la platine du mouvement, présente une faible épaisseur et peut être logée en grande partie dans des évidements peu profonds - appelés « lamages » - de la platine, en étant maintenue par un seul pont. Elle est en outre peu encombrante dans son plan, étant donné que le coulisseau est étroit et qu'il se déplace longitudinalement à l'intérieur de sa rainure. Il ne balaie donc qu'un minimum d'espace en se déplaçant. Ainsi, il est possible de l'incorporer dans un calibre standard en modifiant très peu celui-ci.The mechanical transmission 30, consisting essentially of flat parts 32 and 35 parallel to the platen of the movement, has a small thickness and can be accommodated largely in shallow recesses - called "counterbore" - platinum, being maintained by only one bridge. It is also not bulky in its plan, since the slider is narrow and it moves longitudinally inside its groove. It thus sweeps only a minimum of space while moving. Thus, it is possible to incorporate it in a standard caliber by modifying very little it.

Avec la transmission 30, chaque déplacement axial de la couronne 8 fait tourner le pignon 32 et l'aiguille 11 proportionnellement à l'amplitude du déplacement, de sorte que les quatre positions fonctionnelles de la couronne correspondent à des positions définies de l'aiguille 11 devant les quatre secteurs respectifs O, R, D et H de l'indicateur 10.With the transmission 30, each axial displacement of the crown 8 rotates the pinion 32 and the needle 11 in proportion to the amplitude of the displacement, so that the four functional positions of the ring correspond to defined positions of the needle 11 in front of the four respective sectors O, R, D and H of indicator 10.

Dans la position vissée représentée en figure 2, l'aiguille 11 se trouve devant le secteur O et indique que la fonction d'étanchéité de la couronne est bien assurée.In the screwed position shown in figure 2 , the needle 11 is in front of the sector O and indicates that the sealing function of the crown is ensured.

Quand l'utilisateur dévisse la couronne 8 jusqu'à la dégager du filetage 22, le ressort 28 fait reculer la couronne et le manchon 15 jusqu'à ce que le rebord 17 du manchon soit arrêté, comme le montre la figure 3, par le collet 19 du porte-tige 18 qui n'a pas bougé axialement. Cette position du manchon place l'aiguille 11 devant le secteur R de l'indicateur 10, indiquant que la couronne est prête à être tournée pour le remontage du mouvement.When the user unscrews the ring 8 until it is disengaged from the thread 22, the spring 28 causes the crown and the sleeve 15 to move backwards until the rim 17 of the sleeve is stopped, as shown in FIG. figure 3 by the collar 19 of the rod holder 18 which has not moved axially. This position of the sleeve places the needle 11 in front of the sector R of the indicator 10, indicating that the crown is ready to be turned for reassembly of the movement.

Si l'utilisateur tire alors la couronne 8 dans le sens de la flèche T jusqu'à la première position tirée de la tige 6, comme on le voit dans la figure 4, le déplacement axial du manchon 15 place l'aiguille 11 devant le secteur D de l'indicateur 10, indiquant que la couronne est prête à être tournée pour corriger l'indicateur de date 5.If the user then pulls the crown 8 in the direction of the arrow T to the first position drawn from the rod 6, as seen in FIG. figure 4 , the axial displacement of the sleeve 15 places the needle 11 in front of the sector D of the indicator 10, indicating that the ring is ready to be turned to correct the date indicator 5.

Si l'utilisateur tire encore la couronne jusqu'à la seconde position tirée de la tige 6, comme le montre la figure 5, le déplacement axial du manchon 15 place l'aiguille 11 devant le secteur H de l'indicateur 10, indiquant que la couronne est prête à être tournée pour corriger l'heure affichée par les aiguilles. Lorsque la couronne 8 est repoussée en direction de la boîte 2, ce mouvement axial ramène l'aiguille 11 au secteur R, puis le vissage de la couronne amène progressivement l'aiguille sur le secteur O.If the user still pulls the crown to the second position drawn from the rod 6, as shown in FIG. figure 5 , the axial displacement of the sleeve 15 places the needle 11 in front of the sector H of the indicator 10, indicating that the crown is ready to be turned to correct the time displayed by the hands. When the ring 8 is pushed towards the box 2, this axial movement returns the needle 11 to the sector R, then the screwing of the ring progressively brings the needle to the sector O.

Lors de ces manoeuvres, l'indication explicite de la fonction qui va être remplie par rotation de la couronne dans la position axiale actuelle facilite le réglage de la montre, car l'utilisateur n'a pas besoin de tourner la couronne pour vérifier si la tige a été tirée d'un seul cran ou de deux. On évite ainsi de changer involontairement l'heure ou la date, comme cela arrive couramment avec une montre habituelle lorsque la position de la couronne n'est pas celle qu'on croit.During these maneuvers, the explicit indication of the function that will be fulfilled by rotation of the crown in the current axial position facilitates the adjustment of the watch, because the user does not need to turn the crown to check if the stem was pulled from one notch or two. This avoids unintentionally changing the time or date, as commonly happens with a usual watch when the position of the crown is not the one we believe.

Dans une variante non représentée, les éléments rotatifs 11, 31 et 32 pourraient être supprimés et l'indicateur de fonctions pourrait être constitué par des symboles tels que O, R, D et H portés par le coulisseau 35 et apparaissant dans un guichet du cadran 4. Toutefois l'indication par une aiguille visualise mieux l'arrivée progressive à la position vissée.In a variant not shown, the rotary elements 11, 31 and 32 could be deleted and the function indicator could be constituted by symbols such as O, R, D and H carried by the slider 35 and appearing in a window of the dial. 4. However the indication by a needle better visualizes the progressive arrival in the screwed position.

Dans une montre ayant une couronne non vissée, le manchon 15 n'existe généralement pas et la couronne est fixée au bout de la tige de commande. Une gorge équivalente à la gorge 41 peut être ménagée sur la tige pour recevoir le doigt 40 du coulisseau du dispositif selon l'invention. La position axiale indiquée sera en fait celle de la tige, mais la construction de la transmission et de l'indicateur peut rester inchangée.In a watch having an unscrewed crown, the sleeve 15 does not generally exist and the ring is attached to the end of the control rod. A groove equivalent to the groove 41 may be provided on the rod to receive the finger 40 of the slide of the device according to the invention. The indicated axial position will actually be that of the stem, but the construction of the transmission and indicator may remain unchanged.

La description qui précède et les dessins montrent que la présente invention permet de réaliser un indicateur de fonctions de la couronne d'une façon très simple et peu encombrante. Contrairement aux dispositifs à sélecteur mentionnés dans l'introduction, on conserve la tige de commande usuelle, ce qui simplifie beaucoup le mécanisme. En outre, la transmission à coulisseau parallèle à la tige permet d'indiquer un nombre quelconque de positions axiales et présente une grande facilité de montage et de démontage.The foregoing description and the drawings show that the present invention makes it possible to realize a function indicator of the crown in a very simple and compact manner. Unlike the selector devices mentioned in the introduction, it retains the usual control rod, which greatly simplifies the mechanism. In addition, the slider transmission parallel to the rod allows to indicate any number of axial positions and has a great ease of assembly and disassembly.

Claims (8)

  1. Watch provided with a case that contains a watch movement, a dial (4) and a function indicator (10) associated with the dial, and a control crown (8) arranged on the periphery of the case and having an axis of rotation (14) that is substantially parallel to the dial, said crown being able to slide in the axial direction thereof to be set in axial positions corresponding to different functions, the function indicator being designed to be controlled by axial movements of the crown via a transmission mechanism,
    characterized in that said transmission mechanism (30) includes a slide block (35) that is mobile parallel to the axis (14) of the crown (8) and has a lateral finger (40) engaged in an annular groove (41) of an element (15) secured to the crown.
  2. Watch according to claim 1, characterized in that the slide block (35) includes a flexible part (38) arranged between a back part that slides in guide means (36) and a front part (39) provided with the lateral finger (40).
  3. Watch according to claim 1 or 2, characterized in that the function indicator (10) includes a pinion (32) meshed with a rack (34) arrange on the slide block (35).
  4. Watch according to claim 3, characterized in that the function indicator includes a hand (11) connected to said pinion (32), and function symbols (O, R, D, H) applied to the dial (4) opposite said hand.
  5. Watch according to any of the preceding claims, characterized in that the function indicator has at least three positions.
  6. Watch according to claim 5, characterized in that the crown (8) is of the screwed in crown type, said element secured to the crown being a sleeve (15) designed to be movable axially relative to the control stem (6) of the movement when the crown (8) is being screwed in or unscrewed.
  7. Watch according to any of the preceding claims, characterized in that it includes a date display (5) that can be corrected by rotating the crown (8) placed in an axial date setting position, and in that the function indicator (10) includes a specific indication (D) corresponding to said axial position of the crown.
  8. Watch according to any of the preceding claims, characterized in that the function indicator (10) is located between the crown (8) and the centre of the dial (4).
EP07115258A 2007-08-30 2007-08-30 Watch equipped with a function indicator Active EP2031468B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT07115258T ATE469380T1 (en) 2007-08-30 2007-08-30 WATCH EQUIPPED WITH A FUNCTION DISPLAY
EP07115258A EP2031468B1 (en) 2007-08-30 2007-08-30 Watch equipped with a function indicator
DE602007006799T DE602007006799D1 (en) 2007-08-30 2007-08-30 Clock equipped with a function indicator
JP2008216207A JP5221247B2 (en) 2007-08-30 2008-08-26 Clock with function display
US12/199,105 US7862226B2 (en) 2007-08-30 2008-08-27 Watch with a function indicator
CN2008101309623A CN101377651B (en) 2007-08-30 2008-08-29 Watch with a function indicator
HK09107918.5A HK1129931A1 (en) 2007-08-30 2009-08-28 Watch with a function indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07115258A EP2031468B1 (en) 2007-08-30 2007-08-30 Watch equipped with a function indicator

Publications (2)

Publication Number Publication Date
EP2031468A1 EP2031468A1 (en) 2009-03-04
EP2031468B1 true EP2031468B1 (en) 2010-05-26

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Application Number Title Priority Date Filing Date
EP07115258A Active EP2031468B1 (en) 2007-08-30 2007-08-30 Watch equipped with a function indicator

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US (1) US7862226B2 (en)
EP (1) EP2031468B1 (en)
JP (1) JP5221247B2 (en)
CN (1) CN101377651B (en)
AT (1) ATE469380T1 (en)
DE (1) DE602007006799D1 (en)
HK (1) HK1129931A1 (en)

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JP5221247B2 (en) 2013-06-26
CN101377651B (en) 2012-01-11
US7862226B2 (en) 2011-01-04
JP2009058508A (en) 2009-03-19
CN101377651A (en) 2009-03-04
US20090059732A1 (en) 2009-03-05
DE602007006799D1 (en) 2010-07-08
EP2031468A1 (en) 2009-03-04
ATE469380T1 (en) 2010-06-15
HK1129931A1 (en) 2009-12-11

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