EP1980922A1 - Clock piece including a discrete striking mechanism - Google Patents

Clock piece including a discrete striking mechanism Download PDF

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Publication number
EP1980922A1
EP1980922A1 EP07106079A EP07106079A EP1980922A1 EP 1980922 A1 EP1980922 A1 EP 1980922A1 EP 07106079 A EP07106079 A EP 07106079A EP 07106079 A EP07106079 A EP 07106079A EP 1980922 A1 EP1980922 A1 EP 1980922A1
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EP
European Patent Office
Prior art keywords
ring
timepiece according
box
striking mechanism
timepiece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07106079A
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German (de)
French (fr)
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EP1980922B1 (en
Inventor
Yves Corthesy
Jean-Pierre Charpier
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.)
LVMH Swiss Manufactures SA
Original Assignee
Zenith International SA
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 Zenith International SA filed Critical Zenith International SA
Priority to EP20070106079 priority Critical patent/EP1980922B1/en
Priority to PCT/EP2008/053959 priority patent/WO2008125501A1/en
Publication of EP1980922A1 publication Critical patent/EP1980922A1/en
Application granted granted Critical
Publication of EP1980922B1 publication Critical patent/EP1980922B1/en
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Anticipated expiration legal-status Critical

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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
    • G04B25/00—Indicating the time by other means or by combined means
    • G04B25/02—Indicating the time by other means or by combined means by feeling; Clocks or watches for blind persons
    • G04B25/04—Alarm clocks or watches with devices stimulating the skin

Definitions

  • the present invention relates to the field of mechanical watchmaking. It relates, more particularly, to a timepiece comprising a discrete striking mechanism intended to take place in a watch case, the mechanism comprising a source of energy and an actuating member intended to be driven by the source of energy.
  • the timepiece is equipped with a vibrator to obtain a discreet ring.
  • the striking mechanism rotates a reciprocating cam, cooperating with a reciprocator, which actuates a hammer striking a pin. arranged in the bottom of the box.
  • this embodiment can not be applied to all timepieces. Especially, if the piece is heavy, the power developed by the vibrator mechanism is not sufficient to put the piece in vibration and allow the wearer to feel that his watch vibrates. In addition, it has been found that the skin of the wearer is generally quite insensitive to the wrist, which also makes it difficult to perceive the vibration produced by the mechanism presented above.
  • the object of the present invention is to propose another discrete striking mechanism, free from the above disadvantages.
  • the invention relates to a timepiece comprising a discrete striking mechanism characterized in that it further comprises a movable element disposed in the wall of the box and cooperating with the actuating member.
  • the movable member is capable of changing between a first position in which it is at least partially at a higher level than the box and a second position in which it is substantially entirely at or below the box level. .
  • a bottom 10 of a watch case having a housing on its outer face.
  • the box is round and the housing takes the form of a groove 12 bordering the bottom of the box.
  • the groove 12 may be asymmetrical and present in a continuous manner, as shown particularly by figures 1 and 2 , an increasing depth on a half-perimeter and decreasing on the other half-perimeter, so that it has a minimum depth at a point A and a maximum depth at a point B, diametrically opposite the point A.
  • the connecting member may advantageously take the form of a rod 16, one end 16a is housed in the opening 14. This end comprises an annular recess 16b on its outer periphery, in which takes place an elastic ring 18 which is strongly compressed by the walls of the opening 14. This ring 18 serves as a seal but also a pivot point for the rod, in a direction parallel to the bottom of the box, as will be understood below.
  • the rod 16 can receive at this end 16a and in its longitudinal axis, a screw 20 or other fastening means.
  • the latter On the side of the point B, that is to say in the region where the groove is the deepest, the latter has, in its bottom, a tapping 22 intended to receive a second screw 24.
  • This is advantageously of type in range, and defines a portion of the screw remaining essentially outside the tapping, but inside the groove.
  • a movable ring 26 with suitable dimensions is disposed in the groove 12.
  • the ring is pierced with a first hole to allow the passage of the screw 20. It is thus secured to the rod 16 in its pivoting movements.
  • the ring In an area substantially diametrically opposed to the first hole, the ring has a flange 30 on its face interior, that is to say on its side oriented towards the bottom of the groove 12. This flange 30 is intended to cooperate with the head of the screw 24 which thus forms a stop.
  • the first extreme position of the ring 26 is illustrated on the figure 1 . It can be seen that this is arranged in the groove 12 at the region of the point A. On the other hand, the ring 26 protrudes outside the groove 12 at the region of the point B, the ring being in position. abutment by the flange 30 on the head of the screw 24. When the watch is worn, the ring comes into contact with the wearer's skin, which then forms a stop for the ring 26 which does not go to its extreme position presented on the face.
  • the second extreme position of the ring 26 is illustrated on the figure 2 . It can be seen that it is entirely housed in the groove 12. The wrist skin of the wearer of the watch is not in contact with it.
  • the ring can move between a position in which it is in contact with the wearer's skin and a position in which it is not in contact with the wearer's skin.
  • This alternation allows the wearer to detect the movement of the ring, whereas it would not be the same if the ring was in permanent contact with his skin and exerted, through his movements, pressure variations. It has indeed been noted that at the wrist, the skin was relatively insensitive and did not perceive distinctly small variations in pressure, because It is obvious that the power available in the watch to exert such pressures does not make it possible to apply a large force.
  • the rod 16 cooperates at its second end 16c with the first portion 32a of a rocker 32.
  • This rocker also comprises a second portion 32b held in abutment, by a first spring not shown, against a cam of va-and 34 comes in the form of a wolf wheel.
  • the rocker 32 serves as a back and forth and forms, with the cam 34 and the rod 16, an actuating member of the ring 26. It will be noted that the presence of a back and forth return n
  • the cam 34 is kinematically connected to the alarm clock train and is rotated when the alarm clock is operating. Reference can be made to the aforementioned patent application for details of an embodiment in which a similar reciprocating cam is rotated by the alarm clock train.
  • a second spring member 36 weaker than the first, exerts a force on the ring 26 tending to rotate it around the elastic ring 18 and to bring the movable element to its first position. By this movement, the rod 16 is closer to the rocker, but the latter does not hinder his movement.
  • the rod 16 is positioned at about 88 ° relative to the plane of the box.
  • This second spring member 36 is advantageously constituted by a double leaf spring disposed in the bottom of the groove in the region of point A. This spring 36 is simply placed in the bottom of the groove and extends over an angle of minus 20 °, preferably about 45 °, to exert a force whose moment allows the pivoting of the ring 26.
  • a screw 38 visible on the figure 3 may be provided so as to prevent a possible tearing of the ring which holds only by the elastic ring 18 which is strongly constrained.
  • the screw 38 is simply attached to the box, leaving the ring free to operate, but serves as a safety stop if necessary.
  • the reciprocating cam 34 When the wakeup mechanism operates, the reciprocating cam 34 is rotated. It then raises the rocker 32 which pushes the rod 16 at about 90 ° to the plane of the box. This has the effect of constraining the spring 36 and bringing the ring 26 to its second position. With the rotation of the cam 34, the ring alternates between a position in which it is in contact with the wearer's skin and a position in which it is not, this alternation being felt by the wearer despite a maximum amplitude of only 2 °, especially when the ring hits his skin, which warns him that the time programmed for triggering the alarm clock is reached.
  • energy is provided by the movement to bring the ring 26 from its first to its second position, while it is the spring that brings the ring of its second to its first position.
  • the second position is not precisely defined, since, worn, it depends on the distance between the bottom of the box and the skin and therefore, the shape of the wrist of the wearer, there is There is no risk of blocking the movement, which could damage it.
  • the device presented above is completely silent when the watch is worn and operates as an alarm that could be described as sensitive.
  • the ring abuts on the head of the screw when it reaches its first position, which creates a slight slam, which can be heard, especially if the watch is placed on a resonant support. If the watch is placed by its bottom, on a rigid support, the ring will strike slightly the support, which can allow to hear the ringing.
  • the skilled person can adjust the stiffness of the spring member 36 to adjust the force with which the ring will tend to its first position and come into contact with the skin of the wearer.
  • the embodiment described above advantageously allows the use of the device in a watch whose bottom is provided with an ice and / or whose movement is self-winding.
  • the connecting member is arranged so as not to interfere with the passage of an oscillating mass and the position of the movable member allows the use of a transparent bottom.
  • the movable member can take different forms and be arranged in a housing capable of receiving it.
  • the movable element can pivot on a hinge, its passage to its first position being driven either directly at the hinge, in which case, the sealing is done at this level, either by a vertically translatable object, that is to say to say in the thickness of the box, to come out and push the movable element. In the latter case, it is sufficient to ensure sealing at the level of the object likely to project.

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

Abstract

The timepiece has a discrete striking mechanism placed in a case, where the mechanism has an actuating unit driven by an energy source. The mechanism has a mobile ring (26) arranged in a wall of the case, and cooperating with the actuating unit. The ring is evolved between a position in which the ring is partially at an upper level with respect to the case, and another position in which the ring is entirely at an equal or lower level with respect to the case.

Description

Domaine techniqueTechnical area

La présente invention se rapporte au domaine de l'horlogerie mécanique. Elle concerne, plus particulièrement, une pièce d'horlogerie comportant un mécanisme de sonnerie discrète destiné à prendre place dans une boîte de montre, le mécanisme comprenant une source d'énergie et un organe d'actionnement destiné à être entraîné par la source d'énergie.The present invention relates to the field of mechanical watchmaking. It relates, more particularly, to a timepiece comprising a discrete striking mechanism intended to take place in a watch case, the mechanism comprising a source of energy and an actuating member intended to be driven by the source of energy.

Etat de la techniqueState of the art

Une pièce d'horlogerie de ce genre est divulguée dans la demande de brevet W02006103289 au nom de la demanderesse. Un mécanisme de réveil est inclus dans la montre décrite et il comprend :

  • une source d'énergie indépendante, généralement un barillet,
  • un système de réglage permettant de programmer l'heure de sonnerie,
  • un système de déclenchement, relié au rouage de finissage du mouvement et actionnant le réveil à l'heure prévue, et
  • une sonnerie pour avertir le porteur.
A timepiece of this kind is disclosed in the patent application W02006103289 in the name of the plaintiff. An alarm mechanism is included in the described watch and it includes:
  • an independent energy source, usually a barrel,
  • a setting system for programming the ring time,
  • a trigger system, connected to the gear train of the movement and activating the alarm at the scheduled time, and
  • a bell to warn the wearer.

Un mécanisme classique de montre réveil est également décrit dans le livre " Théorie de l'horlogerie" de Reymondin et al, Fédération des Ecoles Techniques, 1998, ISBN 2-940025-10-X, pages 217 à 218 .A classic mechanism of waking watch is also described in the book " Theory of Watchmaking "by Reymondin et al, Federation of Technical Schools, 1998, ISBN 2-940025-10-X, pages 217-218 .

Dans la demande de brevet précitée, la pièce d'horlogerie est équipée d'un vibreur permettant d'obtenir une sonnerie discrète. Au lieu d'entraîner une roue dentée soulevant la levée d'un marteau, le mécanisme de sonnerie met en rotation une came de va-et-vient, coopérant avec un renvoi de va-et-vient, qui actionne un marteau frappant une goupille disposée dans le fond de la boîte.In the aforementioned patent application, the timepiece is equipped with a vibrator to obtain a discreet ring. Instead of driving a toothed wheel to lift a hammer, the striking mechanism rotates a reciprocating cam, cooperating with a reciprocator, which actuates a hammer striking a pin. arranged in the bottom of the box.

Bien qu'intéressant, ce mode de réalisation ne peut être appliqué à toutes les pièces d'horlogerie. Particulièrement, si la pièce est lourde, la puissance développée par le mécanisme de vibreur n'est pas suffisante pour mettre la pièce en vibration et permettre au porteur de sentir que sa montre vibre. En outre, on s'est aperçu que la peau du porteur est généralement assez peu sensible au niveau du poignet, ce qui rend également difficile la perception de la vibration produite par le mécanisme présenté ci-dessus.Although interesting, this embodiment can not be applied to all timepieces. Especially, if the piece is heavy, the power developed by the vibrator mechanism is not sufficient to put the piece in vibration and allow the wearer to feel that his watch vibrates. In addition, it has been found that the skin of the wearer is generally quite insensitive to the wrist, which also makes it difficult to perceive the vibration produced by the mechanism presented above.

La présente invention a pour but de proposer un autre mécanisme de sonnerie discrète, exempt des inconvénients ci-dessus.The object of the present invention is to propose another discrete striking mechanism, free from the above disadvantages.

Divulgation de l'inventionDisclosure of the invention

De façon plus précise, l'invention concerne une pièce d'horlogerie comportant un mécanisme de sonnerie discrète caractérisée en ce qu'il comprend, en outre, un élément mobile disposé dans la paroi de la boîte et coopérant avec l'organe d'actionnement. L'élément mobile est susceptible d'évoluer entre une première position dans laquelle il est au moins partiellement à un niveau supérieur par rapport à la boîte et une deuxième position dans laquelle il est sensiblement entièrement à un niveau égal ou inférieur par rapport à la boîte.More specifically, the invention relates to a timepiece comprising a discrete striking mechanism characterized in that it further comprises a movable element disposed in the wall of the box and cooperating with the actuating member. . The movable member is capable of changing between a first position in which it is at least partially at a higher level than the box and a second position in which it is substantially entirely at or below the box level. .

D'autres caractéristiques de l'invention sont définies dans les revendications.Other features of the invention are defined in the claims.

Brève description des dessinsBrief description of the drawings

L'invention apparaîtra plus clairement à la lecture de la description qui suit, faite en référence au dessin annexé dans lequel :

  • les figures 1 et 2 sont des vues en coupe du mécanisme lorsque l'élément mobile est, respectivement, dans sa première et dans sa deuxième position,
  • la figure 3 est une vue en perspective d'éléments essentiels du mécanisme.
The invention will appear more clearly on reading the description which follows, made with reference to the appended drawing in which:
  • the figures 1 and 2 are sectional views of the mechanism when the movable element is, respectively, in its first and in its second position,
  • the figure 3 is a perspective view of essential elements of the mechanism.

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

On pourra se référer à la demande W02006103289 pour obtenir des informations sur un mode de réalisation d'un mécanisme de réveil et sur son déclenchement. La présente description se limitera aux éléments essentiels de l'invention et ne reprendra pas les parties du mécanisme pouvant être reprise de l'état de la technique.We can refer to the request W02006103289 to obtain information on an embodiment of an alarm mechanism and its triggering. The present description will be limited to the essential elements of the invention and will not repeat the parts of the mechanism that can be used in the state of the art.

On a représenté, sur les figures, un fond 10 d'une boîte de montre, comportant un logement ménagé sur sa face externe. Dans le mode de réalisation illustré, la boîte est ronde et le logement prend la forme d'une rainure 12 bordant le fond de la boîte. La rainure 12 peut être dissymétrique et présenter de manière continue, comme le montre particulièrement les figures 1 et 2, une profondeur croissante sur un demi-périmètre et décroissante sur l'autre demi-périmètre, de sorte qu'elle présente une profondeur minimale en un point A et une profondeur maximale en un point B, diamétralement opposé au point A.There is shown in the figures, a bottom 10 of a watch case, having a housing on its outer face. In the illustrated embodiment, the box is round and the housing takes the form of a groove 12 bordering the bottom of the box. The groove 12 may be asymmetrical and present in a continuous manner, as shown particularly by figures 1 and 2 , an increasing depth on a half-perimeter and decreasing on the other half-perimeter, so that it has a minimum depth at a point A and a maximum depth at a point B, diametrically opposite the point A.

Du côté du point A, c'est-à-dire dans la région où la rainure 12 est la moins profonde, une ouverture 14 est disposée dans le fond de la rainure et traverse la boîte, créant un passage vers le mouvement. Ce passage est destiné à permettre à un organe de liaison de relier cinématiquement le mouvement et un élément mobile disposé dans la rainure, comme il sera expliqué ci-après. L'organe de liaison peut avantageusement prendre la forme d'une tige 16 dont une extrémité 16a se loge dans l'ouverture 14. Cette extrémité comprend une creusure annulaire 16b sur son pourtour extérieur, dans laquelle prend place une bague élastique 18 qui est fortement comprimée par les parois de l'ouverture 14. Cette bague 18 sert de joint mais aussi de point de pivotement pour la tige, selon une direction parallèle au fond de la boîte, comme on le comprendra ci-après. La tige 16 peut recevoir à cette extrémité 16a et dans son axe longitudinal, une vis 20 ou un autre moyen de fixation.On the point A side, that is to say in the region where the groove 12 is the shallower, an opening 14 is disposed in the bottom of the groove and through the box, creating a passage to the movement. This passage is intended to allow a connecting member to kinematically connect the movement and a movable member disposed in the groove, as will be explained below. The connecting member may advantageously take the form of a rod 16, one end 16a is housed in the opening 14. This end comprises an annular recess 16b on its outer periphery, in which takes place an elastic ring 18 which is strongly compressed by the walls of the opening 14. This ring 18 serves as a seal but also a pivot point for the rod, in a direction parallel to the bottom of the box, as will be understood below. The rod 16 can receive at this end 16a and in its longitudinal axis, a screw 20 or other fastening means.

Du côté du point B, c'est-à-dire dans la région où la rainure est la plus profonde, celle-ci présente, dans son fond, un taraudage 22 destiné à recevoir une deuxième vis 24. Celle-ci est avantageusement du type à portée, et définit une partie de la vis restant essentiellement à l'extérieur du taraudage, mais à l'intérieur de la rainure.On the side of the point B, that is to say in the region where the groove is the deepest, the latter has, in its bottom, a tapping 22 intended to receive a second screw 24. This is advantageously of type in range, and defines a portion of the screw remaining essentially outside the tapping, but inside the groove.

Une bague mobile 26 aux dimensions adaptées est disposée dans la rainure 12. La bague est percée d'un premier trou pour permettre le passage de la vis 20. Elle est ainsi solidaire de la tige 16 dans ses mouvements de pivotement. Dans une zone sensiblement diamétralement opposée au premier trou, la bague présente un rebord 30 sur sa face intérieure, c'est-à-dire sur sa face orientée en direction du fond de la rainure 12. Ce rebord 30 est destiné à coopérer avec la tête de la vis 24 qui forme ainsi butée.A movable ring 26 with suitable dimensions is disposed in the groove 12. The ring is pierced with a first hole to allow the passage of the screw 20. It is thus secured to the rod 16 in its pivoting movements. In an area substantially diametrically opposed to the first hole, the ring has a flange 30 on its face interior, that is to say on its side oriented towards the bottom of the groove 12. This flange 30 is intended to cooperate with the head of the screw 24 which thus forms a stop.

Le profil de la bague mobile 26 est ajusté par rapport à la dissymétrie de la profondeur de la rainure 12, de manière à ce qu'elle soit susceptible d'évoluer entre :

  • une première position dans laquelle elle est au moins partiellement à un niveau supérieur par rapport à la boîte, c'est-à-dire qu'elle dépasse de la montre à l'extérieur de la rainure de manière tactilement perceptible pour le porteur, et
  • une deuxième position dans laquelle elle est sensiblement entièrement à un niveau égal ou inférieur par rapport à la boîte, c'est-à-dire qu'elle ne dépasse pas de la rainure de manière tactilement perceptible pour le porteur.
The profile of the movable ring 26 is adjusted relative to the asymmetry of the depth of the groove 12, so that it is likely to change between:
  • a first position in which it is at least partially at a higher level than the box, ie it protrudes from the watch outside the groove in a manner that is noticeably perceptible to the wearer, and
  • a second position in which it is substantially entirely at or below the box, i.e. it does not protrude from the groove in a manner that is noticeably perceptible to the wearer.

La première position extrême de la bague 26 est illustrée sur la figure 1. On peut voir que celle-ci est disposée dans la rainure 12 au niveau de la région du point A. En revanche, la bague 26 dépasse à l'extérieur de la rainure 12 au niveau de la région du point B, la bague étant en butée par le rebord 30 sur la tête de la vis 24. Lorsque la montre est portée, la bague vient au contact de la peau du porteur, qui forme alors une butée pour la bague 26 qui ne va pas jusqu'à sa position extrême présentée sur la figure.The first extreme position of the ring 26 is illustrated on the figure 1 . It can be seen that this is arranged in the groove 12 at the region of the point A. On the other hand, the ring 26 protrudes outside the groove 12 at the region of the point B, the ring being in position. abutment by the flange 30 on the head of the screw 24. When the watch is worn, the ring comes into contact with the wearer's skin, which then forms a stop for the ring 26 which does not go to its extreme position presented on the face.

La deuxième position extrême de la bague 26 est illustrée sur la figure 2. On peut voir que celle-ci est entièrement logée dans la rainure 12. La peau du poignet du porteur de la montre n'est pas en contact avec elle.The second extreme position of the ring 26 is illustrated on the figure 2 . It can be seen that it is entirely housed in the groove 12. The wrist skin of the wearer of the watch is not in contact with it.

Ainsi, la bague peut évoluer entre une position dans laquelle elle est en contact avec la peau du porteur et une position dans laquelle elle n'est pas en contact avec la peau du porteur. Cette alternance permet au porteur de détecter le mouvement de la bague, alors qu'il n'en serait pas de même si la bague était en contact de manière permanente avec sa peau et exerçait, par ses mouvements, des variations de pression. On a en effet remarqué qu'au niveau du poignet, la peau était relativement peu sensible et ne percevait pas distinctement de faibles variations de pression, car il est évident que la puissance disponible dans la montre pour exercer de telles pressions ne permet pas d'appliquer une force importante.Thus, the ring can move between a position in which it is in contact with the wearer's skin and a position in which it is not in contact with the wearer's skin. This alternation allows the wearer to detect the movement of the ring, whereas it would not be the same if the ring was in permanent contact with his skin and exerted, through his movements, pressure variations. It has indeed been noted that at the wrist, the skin was relatively insensitive and did not perceive distinctly small variations in pressure, because It is obvious that the power available in the watch to exert such pressures does not make it possible to apply a large force.

On peut voir sur la figure 3, que la tige 16 coopère au niveau de sa deuxième extrémité 16c avec la première portion 32a d'une bascule 32. Cette bascule comporte également une deuxième portion 32b maintenue en appui, par un premier ressort non représenté, contre une came de va-et-vient 34 qui prend la forme d'une roue à dent de loup. La bascule 32 sert de renvoi de va-et-vient et forme, avec la came 34 et la tige 16, un organe d'actionnement de la bague 26. On notera que la présence d'un renvoi de va-et-vient n'est pas indispensable, la came pouvant agir également directement sur la tige 16. La came 34 est reliée cinématiquement au rouage de sonnerie du réveil et est entraînée en rotation lorsque le réveil fonctionne. On pourra se référer à la demande de brevet déjà citée pour obtenir des détails sur un mode de réalisation dans lequel une came de va-et-vient similaire est mise en rotation par le rouage de sonnerie du réveil.We can see on the figure 3 , that the rod 16 cooperates at its second end 16c with the first portion 32a of a rocker 32. This rocker also comprises a second portion 32b held in abutment, by a first spring not shown, against a cam of va-and 34 comes in the form of a wolf wheel. The rocker 32 serves as a back and forth and forms, with the cam 34 and the rod 16, an actuating member of the ring 26. It will be noted that the presence of a back and forth return n The cam 34 is kinematically connected to the alarm clock train and is rotated when the alarm clock is operating. Reference can be made to the aforementioned patent application for details of an embodiment in which a similar reciprocating cam is rotated by the alarm clock train.

Lorsque la bascule 32 est en appui sur la pointe d'une des dents de la came 34, la bascule exerce une pression sur la tige 16, de sorte que celle-ci est positionnée à environ 90° par rapport au plan de la boîte, la bague étant alors proche du fond de la rainure 12 et occupant sa deuxième position.When the rocker 32 bears on the tip of one of the teeth of the cam 34, the rocker exerts a pressure on the rod 16, so that it is positioned at about 90 ° relative to the plane of the box, the ring then being close to the bottom of the groove 12 and occupying its second position.

Lorsque la bascule 32 est en appui dans le fond de la denture de la came 34, un deuxième organe ressort 36, plus faible que le premier, exerce une force sur la bague 26 tendant à la faire pivoter autour de la bague élastique 18 et à amener l'élément mobile à sa première position. Par ce mouvement, la tige 16 se rapproche de la bascule, sans toutefois que cette dernière ne gêne son déplacement. Lorsque la bague 26 est en butée sur la vis 24, la tige 16 est positionnée à environ 88° par rapport au plan de la boîte. Ce deuxième organe ressort 36 est avantageusement constitué par un double ressort lame, disposé dans le fond de la rainure dans la région du point A. Ce ressort 36 est simplement posé dans le fond de la rainure et s'étend sur un angle d'au moins 20°, de préférence, d'environ 45°, afin d'exercer une force dont le moment permette le pivotement de la bague 26.When the rocker 32 bears in the bottom of the toothing of the cam 34, a second spring member 36, weaker than the first, exerts a force on the ring 26 tending to rotate it around the elastic ring 18 and to bring the movable element to its first position. By this movement, the rod 16 is closer to the rocker, but the latter does not hinder his movement. When the ring 26 is in abutment on the screw 24, the rod 16 is positioned at about 88 ° relative to the plane of the box. This second spring member 36 is advantageously constituted by a double leaf spring disposed in the bottom of the groove in the region of point A. This spring 36 is simply placed in the bottom of the groove and extends over an angle of minus 20 °, preferably about 45 °, to exert a force whose moment allows the pivoting of the ring 26.

Une vis 38 visible sur la figure 3 peut être prévue de manière à prévenir un éventuel arrachement de la bague qui ne tient que par la bague élastique 18 qui est fortement contrainte. La vis 38 est simplement fixée à la boîte, laissant la bague fonctionner librement, mais sert de butée de sécurité si nécessaire.A screw 38 visible on the figure 3 may be provided so as to prevent a possible tearing of the ring which holds only by the elastic ring 18 which is strongly constrained. The screw 38 is simply attached to the box, leaving the ring free to operate, but serves as a safety stop if necessary.

Lorsque le mécanisme de réveil fonctionne, la came de va-et-vient 34 est mise en rotation. Elle soulève alors la bascule 32 qui pousse la tige 16 à environ 90° par rapport au plan de la boîte. Ceci a pour effet de contraindre le ressort 36 et d'amener la bague 26 à sa deuxième position. Avec la rotation de la came 34, la bague alterne donc entre une position dans laquelle elle est au contact de la peau du porteur et une position dans laquelle elle ne l'est pas, cette alternance étant ressentie par le porteur malgré une amplitude maximale de seulement 2°, notamment quand la bague vient frapper sa peau, ce qui l'avertit que l'heure programmée pour le déclenchement du réveil est atteinte.When the wakeup mechanism operates, the reciprocating cam 34 is rotated. It then raises the rocker 32 which pushes the rod 16 at about 90 ° to the plane of the box. This has the effect of constraining the spring 36 and bringing the ring 26 to its second position. With the rotation of the cam 34, the ring alternates between a position in which it is in contact with the wearer's skin and a position in which it is not, this alternation being felt by the wearer despite a maximum amplitude of only 2 °, especially when the ring hits his skin, which warns him that the time programmed for triggering the alarm clock is reached.

De manière avantageuse, de l'énergie est fournie par le mouvement pour amener la bague 26 de sa première à sa deuxième position, tandis que c'est le ressort qui amène la bague de sa deuxième à sa première position. Ainsi, étant donnée que la deuxième position n'est pas définie avec précision, puisque, au porté, elle dépend de la distance entre le fond de la boîte et la peau et donc, de la forme du poignet du porteur, il n'y a pas de risque de bloquer le mouvement, ce qui pourrait l'endommager.Advantageously, energy is provided by the movement to bring the ring 26 from its first to its second position, while it is the spring that brings the ring of its second to its first position. Thus, given that the second position is not precisely defined, since, worn, it depends on the distance between the bottom of the box and the skin and therefore, the shape of the wrist of the wearer, there is There is no risk of blocking the movement, which could damage it.

En plus, le système décrit ci-dessus est parfaitement étanche et peut être facilement démonté, notamment pour un nettoyage, simplement en retirant les trois vis 20, 24 et 38.In addition, the system described above is perfectly sealed and can be easily disassembled, especially for cleaning, simply by removing the three screws 20, 24 and 38.

Le dispositif présenté ci-dessus est ainsi totalement silencieux lorsque la montre est portée et fonctionne comme une alarme que l'on pourrait qualifier de sensitive. En revanche, lorsque la montre n'est pas portée, la bague vient buter sur la tête de la vis lorsqu'elle atteint sa première position, ce qui crée un léger claquement, qui peut être entendu, notamment si la montre est posée sur un support résonant. Si la montre est posée par son fond, sur un support rigide, la bague va frapper légèrement le support, ce qui peut permettre d'entendre la sonnerie.The device presented above is completely silent when the watch is worn and operates as an alarm that could be described as sensitive. However, when the watch is not worn, the ring abuts on the head of the screw when it reaches its first position, which creates a slight slam, which can be heard, especially if the watch is placed on a resonant support. If the watch is placed by its bottom, on a rigid support, the ring will strike slightly the support, which can allow to hear the ringing.

L'homme du métier peut ajuster la raideur de l'organe ressort 36, afin de régler la force avec laquelle la bague va tendre vers sa première position et venir au contact de la peau du porteur. Le mode de réalisation décrit ci-dessus permet avantageusement d'utiliser le dispositif dans une montre dont le fond est muni d'une glace et/ou dont le mouvement est à remontage automatique. En effet, l'organe de liaison est disposé de manière à ne pas gêner le passage d'une masse oscillante et la position de l'élément mobile permet l'utilisation d'un fond transparent.The skilled person can adjust the stiffness of the spring member 36 to adjust the force with which the ring will tend to its first position and come into contact with the skin of the wearer. The embodiment described above advantageously allows the use of the device in a watch whose bottom is provided with an ice and / or whose movement is self-winding. Indeed, the connecting member is arranged so as not to interfere with the passage of an oscillating mass and the position of the movable member allows the use of a transparent bottom.

Le mode de réalisation proposé ci-dessus n'est qu'un exemple non limitatif de l'invention. Ainsi, l'élément mobile peut prendre différentes formes et être disposé dans un logement capable de le recevoir. L'élément mobile peut pivoter sur une charnière, son passage à sa première position étant entraîné soit directement au niveau de la charnière, auquel cas, l'étanchéité se fait à ce niveau, soit par un objet translatant verticalement, c'est-à-dire dans l'épaisseur de la boîte, pour venir en saillie et pousser l'élément mobile. Dans ce dernier cas, il suffit d'assurer l'étanchéité au niveau de l'objet susceptible de venir en saillie.The embodiment proposed above is only a non-limiting example of the invention. Thus, the movable member can take different forms and be arranged in a housing capable of receiving it. The movable element can pivot on a hinge, its passage to its first position being driven either directly at the hinge, in which case, the sealing is done at this level, either by a vertically translatable object, that is to say to say in the thickness of the box, to come out and push the movable element. In the latter case, it is sufficient to ensure sealing at the level of the object likely to project.

Claims (9)

Pièce d'horlogerie comportant un mécanisme de sonnerie discrète destiné à prendre place dans une boîte de montre, ledit mécanisme comprend : - une source d'énergie, - un organe d'actionnement (16, 32, 34) destiné à être entraîné par la source d'énergie, caractérisée en ce que ledit mécanisme de sonnerie comprend, en outre, un élément mobile (26) disposé dans la paroi de la boîte et coopérant avec l'organe d'actionnement, ledit élément étant susceptible d'évoluer entre une première position dans laquelle il est au moins partiellement à un niveau supérieur par rapport à la boîte et une deuxième position dans laquelle il est sensiblement entièrement à un niveau égal ou inférieur par rapport à la boîte.A timepiece comprising a discrete striking mechanism intended to take place in a watch case, said mechanism comprises: - a source of energy, an actuating member (16, 32, 34) intended to be driven by the energy source, characterized in that said striking mechanism further comprises a movable member (26) disposed in the wall of the box and cooperating with the actuating member, said member being able to move between a first position in which it is at least partially at a higher level than the box and a second position in which it is substantially entirely at or below the box. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que l'élément mobile (26) passe de sa première à sa deuxième position sous l'action de l'organe d'actionnement (16, 32, 34).Timepiece according to claim 1, characterized in that the movable member (26) passes from its first to its second position under the action of the actuating member (16, 32, 34). Pièce d'horlogerie selon l'une des revendications 1 et 2, caractérisée en ce que l'élément mobile (26) passe de sa deuxième à sa première position sous l'action d'un organe ressort (36).Timepiece according to one of claims 1 and 2, characterized in that the movable member (26) passes from its second to its first position under the action of a spring member (36). Pièce d'horlogerie selon l'une des revendications précédentes, caractérisée en ce que l'organe d'actionnement comporte une came de va-et-vient (34) et un organe de liaison (16).Timepiece according to one of the preceding claims, characterized in that the actuating member comprises a reciprocating cam (34) and a connecting member (16). Pièce d'horlogerie selon la revendication 4, caractérisée en ce que l'organe d'actionnement comporte, en outre, un renvoi de va-et-vient (32) coopérant, d'une part, avec la came de va-et-vient et, d'autre part, avec l'organe de liaison.Timepiece according to claim 4, characterized in that the actuating member further comprises a return-and-return (32) cooperating, on the one hand, with the cam of va-and- comes and, on the other hand, with the liaison Pièce d'horlogerie selon l'une des revendications précédentes, caractérisé en ce que l'élément mobile est une bague (26) pivotant selon un axe sensiblement parallèle au fond de la boîte.Timepiece according to one of the preceding claims, characterized in that the movable member is a ring (26) pivoting about an axis substantially parallel to the bottom of the box. Pièce d'horlogerie selon la revendication 5, caractérisée en ce que l'axe selon lequel pivote la bague coupe l'organe de liaison (16).Timepiece according to claim 5, characterized in that the axis in which the ring pivots intersects the connecting member (16). Pièce d'horlogerie selon la revendication 7, caractérisée en ce que l'organe de liaison est agencé de manière à recevoir une bague élastique (18), ladite bague élastique assurant l'étanchéité du système et le pivotement de la bague (26).Timepiece according to claim 7, characterized in that the connecting member is arranged to receive an elastic ring (18), said elastic ring ensuring the sealing of the system and the pivoting of the ring (26). Pièce d'horlogerie selon l'une des revendications précédentes, caractérisée en ce qu'un élément de butée est agencé de manière à définir le niveau maximal de la première position.Timepiece according to one of the preceding claims, characterized in that a stop element is arranged to define the maximum level of the first position.
EP20070106079 2007-04-12 2007-04-12 Clock piece including a discrete striking mechanism Active EP1980922B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20070106079 EP1980922B1 (en) 2007-04-12 2007-04-12 Clock piece including a discrete striking mechanism
PCT/EP2008/053959 WO2008125501A1 (en) 2007-04-12 2008-04-02 Timepiece with discrete striking work

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070106079 EP1980922B1 (en) 2007-04-12 2007-04-12 Clock piece including a discrete striking mechanism

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EP1980922A1 true EP1980922A1 (en) 2008-10-15
EP1980922B1 EP1980922B1 (en) 2013-03-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2175329A1 (en) * 2008-12-01 2010-04-14 The Swatch Group Research and Development Ltd. Timepiece movement equipped with a vibrating alarm
US8500324B2 (en) 2009-12-22 2013-08-06 The Swatch Group Research And Development Ltd Timepiece movement fitted with a vibrating alarm

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR726827A (en) * 1930-10-08 1932-06-03 Silent alarm clock, activating directly on the human body, adaptable to any watch
US1927765A (en) * 1932-06-02 1933-09-19 Wiseley Don Carlos Alarm wrist watch
FR1060602A (en) * 1952-07-25 1954-04-05 Silent warning device for wrist watches

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR726827A (en) * 1930-10-08 1932-06-03 Silent alarm clock, activating directly on the human body, adaptable to any watch
US1927765A (en) * 1932-06-02 1933-09-19 Wiseley Don Carlos Alarm wrist watch
FR1060602A (en) * 1952-07-25 1954-04-05 Silent warning device for wrist watches

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2175329A1 (en) * 2008-12-01 2010-04-14 The Swatch Group Research and Development Ltd. Timepiece movement equipped with a vibrating alarm
KR20100062913A (en) * 2008-12-01 2010-06-10 더 스와치 그룹 리서치 앤 디벨롭먼트 엘티디 Timepiece movement fitted with a vibrating alarm
US7896542B2 (en) 2008-12-01 2011-03-01 The Swatch Group Research And Development Ltd Timepiece movement fitted with a vibrating alarm
US8305848B2 (en) 2008-12-01 2012-11-06 The Swatch Group Research And Development Ltd Timepiece movement fitted with an inertial coupling mechanism
US8500324B2 (en) 2009-12-22 2013-08-06 The Swatch Group Research And Development Ltd Timepiece movement fitted with a vibrating alarm

Also Published As

Publication number Publication date
WO2008125501A1 (en) 2008-10-23
EP1980922B1 (en) 2013-03-06

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