EP1672442A1 - Instrument for measuring time intervals comprising a striking mechanism - Google Patents

Instrument for measuring time intervals comprising a striking mechanism Download PDF

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Publication number
EP1672442A1
EP1672442A1 EP04030204A EP04030204A EP1672442A1 EP 1672442 A1 EP1672442 A1 EP 1672442A1 EP 04030204 A EP04030204 A EP 04030204A EP 04030204 A EP04030204 A EP 04030204A EP 1672442 A1 EP1672442 A1 EP 1672442A1
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EP
European Patent Office
Prior art keywords
instrument according
striking
chronograph
teeth
columns
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
EP04030204A
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German (de)
French (fr)
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EP1672442B1 (en
Inventor
Christian Schmiedchen
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.)
Glashuetter Uhrenbetrieb GmbH
Original Assignee
Glashuetter Uhrenbetrieb GmbH
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.)
Filing date
Publication date
Application filed by Glashuetter Uhrenbetrieb GmbH filed Critical Glashuetter Uhrenbetrieb GmbH
Priority to EP04030204A priority Critical patent/EP1672442B1/en
Priority to AT04030204T priority patent/ATE554428T1/en
Priority to SG200508057A priority patent/SG123714A1/en
Priority to TW094143916A priority patent/TWI391799B/en
Priority to JP2005361318A priority patent/JP4895164B2/en
Priority to KR1020050125134A priority patent/KR101202512B1/en
Priority to US11/311,156 priority patent/US7292505B2/en
Priority to CN2005101326733A priority patent/CN1794115B/en
Publication of EP1672442A1 publication Critical patent/EP1672442A1/en
Priority to HK06113387.8A priority patent/HK1092883A1/en
Application granted granted Critical
Publication of EP1672442B1 publication Critical patent/EP1672442B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00Indicating the time by acoustic means
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00Gearwork
    • G04B13/02Wheels; Pinions; Spindles; Pivots
    • G04B13/028Wheels; Pinions; Spindles; Pivots wheels in which the teeth are conic, contrate, etc; also column wheels construction
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F7/00Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866Special arrangements
    • G04F7/089Special arrangements indicating measured time by other than hands, e.g. numbered bands, drums, discs or sheet

Definitions

  • the present invention relates to an instrument for measuring time intervals comprising a striking mechanism. More specifically, the present invention relates to a timepiece comprising a chronograph mechanism.
  • a timepiece can be, at choice, a pocket watch, a wristwatch or a counter, sports or industrial, which has the distinction of not indicating the time that it is and which is not used only for measuring time intervals.
  • the chronograph is a complementary mechanism, added to the movement of a watch, which allows the measurement of the time elapsed during a sporting event, industrial operations, laboratory experiments or any other application that requires knowing the duration of 'execution. Pressing a pusher ensures the start and stop of a chronograph hand. Extra pressure on another pusher is used to bring the needle back to zero. Depending on the degree of complication of the chronograph mechanism, it is also possible to consider restarting this mechanism after a temporary stop or a catch-up.
  • the present invention aims to overcome this disadvantage as well as others by providing a chronograph mechanism that allows the user to know if the chronograph mechanism has been properly engaged without having to leave the eyes the event he wants to measure the duration.
  • the present invention relates to an instrument for measuring time intervals comprising a chronograph mechanism that it is at least possible to start, stop and reset, this instrument being characterized in that it further comprises a striking mechanism which emits a sound signal at least when the chronograph mechanism is switched on.
  • the present invention provides an instrument for measuring time intervals that informs its user of the start of the chronograph mechanism by the emission of a ring. The user is thus audibly informed of the proper start of the chronograph mechanism and can not ignore the event he wants to measure the duration.
  • the buzzer sounds at least when turning on the chronograph mechanism. However, it is perfectly possible that the ringing sound also when the user presses a control member to stop the chronograph mechanism and / or reset.
  • the chronograph mechanism comprises a column wheel with which is associated a control element which has teeth whose number is equal to or twice the number of columns of the column wheel which activates the striking mechanism at least when the chronograph mechanism is switched on.
  • the buzzer sounds only when the chronograph mechanism is switched on, whereas if this number of teeth is equal to twice the number of columns, the buzzer sounds both when the chronograph mechanism is turned on and when it is stopped.
  • the present invention proceeds from the general inventive idea of associating with a conventional chronograph mechanism a striking mechanism which emits a sound signal at least when the chronograph mechanism is started and, preferably, also when the chronograph mechanism is turned on. stopping said chronograph mechanism.
  • the user who starts or stops the chronograph mechanism thus benefits from an audible receipt that allows him to be sure that said chronograph mechanism has functioned properly without having to leave a single instant of the eye the sporting event, industrial or other that is to be measured. The accuracy of the measurement is thus significantly increased.
  • the present invention will be described in connection with a wristwatch. It goes without saying that the invention can be applied to any type of timepiece such as, in particular, a pocket watch. More generally, the invention can be applied to any instrument such as a sports or industrial counter which includes a time base but whose purpose is not to display the time but only to measure a time. time elapsed.
  • a sports or industrial counter which includes a time base but whose purpose is not to display the time but only to measure a time. time elapsed.
  • FIGS. 1 to 3 A first embodiment of a wristwatch according to the invention is shown in connection with FIGS. 1 to 3.
  • this wristwatch comprises a box 2 in which are housed a chronograph mechanism 4 and a striking mechanism 6.
  • the chronograph mechanism 4 essentially comprises a column wheel 10 pivoted on a plate 12. This column wheel 10 is manufactured in one piece and consists of a set of teeth 14 called ratchet and columns 16 made perpendicular to the toothing. 14. With each command exerted on the chronograph mechanism (start, stop and reset), a control hook 18 rotates the ratchet 14 of the column wheel 10 one step clockwise.
  • the striking mechanism 6 is mounted on a bridge 20 and essentially comprises a striking hammer 22 pivoted on the bridge 20 and able to strike a stamp 24 by its head 26.
  • the chronograph mechanism 4 is kinematically linked to the striking mechanism 6 by means of a trigger lever 34 pivoted between the bridge 20 and the plate 12 and which has two radial arms 36a and 36b diametrically opposed.
  • the position of the release lever 34 is indexed by a jumper spring 38 which bears by its free end 40 in the form of a nose against an extension 42 of said release lever 34. More specifically, the extension 42 has a flat 44 parallel to the flat 46 of the spout 40 of the jumper 38.
  • a control element 48 is associated with the column wheel 10. According to a first variant embodiment illustrated in FIG. 3, this control element 48 comprises a number of teeth 50 equal to the number of columns 16 of the column wheel 10. These teeth 50 which surmount the columns 16 can be made in one piece with said columns 16.
  • the control element 48 could also be made in the form of a separate ring on the surface of which the teeth 50 regularly spaced and which would be fixed on the top of columns 16 by any appropriate means.
  • the control element 48 comprises a number of teeth 50 equal to twice the number of columns 16.
  • the control element 48 is realized in the form of a ring 52 on the surface of which the teeth 50 regularly spaced. This ring 52 is fixed by any appropriate means on the top of the columns 16, so that one tooth out of two is located vertically of a column 16, while the next tooth is above a gap between two successive columns 16.
  • the control hook 18 rotates the ratchet 14 of the column wheel 10 in a clockwise direction.
  • the control element 48 controls the pivoting of the release lever 34 counter-clockwise, a tooth 50 located at the top of a column 16 abutting against the arm 36a of said lever 34 and removing the latter from its rest position against the force of reminder of the jumper spring 38.
  • the release lever 34 spreads via its arm 36b the striking hammer 22 from its rest position by driving the pin 28a against the return force of the actuating spring 30.
  • the release lever 34 pivots, its arm 36a slides along the tooth 50 with which it is engaged until the arm 36a escapes said tooth 50.
  • the spring 30 actuation relaxes abruptly and leads, via the goupi 28a, the hammer 22 against the stamp 24.
  • the buzzer sounds at the precise moment when the control hook 18 passes from one tooth of the ratchet 14 to the next tooth, which controls the start of the chronograph mechanism 4.
  • the return spring 32 which acts on the pin 28b, while the release lever 34 also covers its rest position by means of the effect of the jumper spring 38.
  • the control hook 18 advances the ratchet 14 by one additional step.
  • the arm 36a of the release lever 34 is in a vacuum between two successive columns 16. If one is in the case where the number of teeth 50 is equal to the number of columns 16, the ringing will not sound when stopping the chronograph mechanism 4. Conversely, if the number of teeth 50 is double of the number of columns 16, one of these teeth, coming from material with the ring 52, will be in the vacuum between the two columns 16, and the striking mechanism 6 will be triggered as described above when stopping the chronograph mechanism 4.
  • FIG. 6 A second embodiment of the striking mechanism 6 according to the invention is shown in FIG. 6.
  • the striking mechanism 6 comprises a leaf spring 54 which is moved away from its rest position by deforming elastically. when the passage of a tooth 50. After the tooth 50 has passed the end of the leaf spring 54, it relaxes suddenly and produces a ringing, then covers its rest position until the passage of the next tooth 50.

Abstract

The timepiece has a chronograph mechanism (4) that can be started, stopped and reset to zero, and a ringing mechanism (6) which emits an acoustic signal when the mechanism (4) is started. The mechanism (4) has a column wheel (10) associated with a control unit that has teeth of number equal to or two times greater than number of columns of the wheel and activates the mechanism (6) when the mechanism (4) is started.

Description

La présente invention concerne un instrument pour mesurer des intervalles de temps comprenant un mécanisme de sonnerie. Plus précisément, la présente invention concerne une pièce d'horlogerie comprenant un mécanisme de chronographe. Une telle pièce d'horlogerie peut être, au choix, une montre de poche, une montre-bracelet ou encore un compteur, sportif ou industriel, qui a la particularité de ne pas indiquer l'heure qu'il est et qui n'est utilisé que pour la mesure d'intervalles de temps.The present invention relates to an instrument for measuring time intervals comprising a striking mechanism. More specifically, the present invention relates to a timepiece comprising a chronograph mechanism. Such a timepiece can be, at choice, a pocket watch, a wristwatch or a counter, sports or industrial, which has the distinction of not indicating the time that it is and which is not used only for measuring time intervals.

Le chronographe est un mécanisme complémentaire, ajouté au mouvement d'une montre, qui permet la mesure du temps écoulé lors d'un événement sportif, d'opérations industrielles, d'expériences de laboratoire ou toute autre application qui nécessite de connaître la durée d'exécution. Une pression sur un poussoir assure le départ et l'arrêt d'une aiguille de chronographe. Une pression supplémentaire sur un autre poussoir est utilisée pour ramener l'aiguille à zéro. Selon le degré de complication du mécanisme de chronographe, on peut également envisager la reprise de marche de ce mécanisme après un arrêt temporaire ou encore une rattrapante.The chronograph is a complementary mechanism, added to the movement of a watch, which allows the measurement of the time elapsed during a sporting event, industrial operations, laboratory experiments or any other application that requires knowing the duration of 'execution. Pressing a pusher ensures the start and stop of a chronograph hand. Extra pressure on another pusher is used to bring the needle back to zero. Depending on the degree of complication of the chronograph mechanism, it is also possible to consider restarting this mechanism after a temporary stop or a catch-up.

L'inconvénient observé avec les mécanismes de chronographe actuellement disponibles sur le marché est que leur mise en marche se fait sans bruit. Ceci est particulièrement pénalisant, par exemple pour un entraîneur sportif, qui aura tendance à quitter l'athlète des yeux pour s'assurer que son mécanisme de chronographe s'est bien mis en marche, réflexe qui peut être source d'erreurs de mesure. La même chose est vraie pour la mesure de tout phénomène physique industriel ou de laboratoire. Instinctivement, la personne chargée d'effectuer la mesure a tendance à regarder son chronographe pour s'assurer qui celui-ci fonctionne et n'observe plus le phénomène qu'elle est sensée étudier.The disadvantage observed with the chronograph mechanisms currently available on the market is that they are started without noise. This is particularly disadvantageous, for example for a sports trainer, who will tend to leave the athlete eyes to ensure that his chronograph mechanism has started well, reflex that can be a source of measurement errors. The same is true for the measurement of any industrial or laboratory physical phenomenon. Instinctively, the person doing the measurement tends to look at his chronograph to make sure that it is working and no longer observes the phenomenon it is supposed to study.

La présente invention a pour but de remédier à cet inconvénient ainsi qu'à d'autres encore en procurant un mécanisme de chronographe qui permet à son utilisateur de savoir si ce mécanisme de chronographe a été convenablement enclenché sans qu'il ait à quitter des yeux l'événement dont il veut mesurer la durée.The present invention aims to overcome this disadvantage as well as others by providing a chronograph mechanism that allows the user to know if the chronograph mechanism has been properly engaged without having to leave the eyes the event he wants to measure the duration.

A cet effet, la présente invention concerne un instrument pour mesurer des intervalles de temps comprenant un mécanisme de chronographe qu'il est au moins possible de mettre en marche, d'arrêter et de remettre à zéro, cet instrument étant caractérisé en ce qu'il comprend en outre un mécanisme de sonnerie qui émet un signal sonore au moins lors de la mise en marche du mécanisme de chronographe.To this end, the present invention relates to an instrument for measuring time intervals comprising a chronograph mechanism that it is at least possible to start, stop and reset, this instrument being characterized in that it further comprises a striking mechanism which emits a sound signal at least when the chronograph mechanism is switched on.

Grâce à ces caractéristiques, la présente invention procure un instrument pour la mesure d'intervalles de temps qui informe son utilisateur de la mise en marche du mécanisme de chronographe par l'émission d'une sonnerie. L'utilisateur est ainsi informé de manière auditive de la bonne mise en marche du mécanisme de chronographe et peut ainsi ne pas quitter des yeux l'événement dont il veut mesure la durée.Thanks to these features, the present invention provides an instrument for measuring time intervals that informs its user of the start of the chronograph mechanism by the emission of a ring. The user is thus audibly informed of the proper start of the chronograph mechanism and can not ignore the event he wants to measure the duration.

La sonnerie retentit au moins lors de la mise en marche du mécanisme de chronographe. Il est toutefois parfaitement envisageable que la sonnerie retentisse également lorsque l'utilisateur appuie sur un organe de commande pour arrêter le mécanisme de chronographe et/ou le remettre à zéro.The buzzer sounds at least when turning on the chronograph mechanism. However, it is perfectly possible that the ringing sound also when the user presses a control member to stop the chronograph mechanism and / or reset.

A cet effet, et selon une caractéristique complémentaire de l'invention, le mécanisme de chronographe comprend une roue à colonnes à laquelle est associé un élément de commande qui présente des dents dont le nombre est égal ou deux fois supérieur au nombre de colonnes de la roue à colonnes et qui active le mécanisme de sonnerie au moins lors de la mise en marche du mécanisme de chronographe.For this purpose, and according to a complementary feature of the invention, the chronograph mechanism comprises a column wheel with which is associated a control element which has teeth whose number is equal to or twice the number of columns of the column wheel which activates the striking mechanism at least when the chronograph mechanism is switched on.

Lorsque le nombre de dents de l'élément de commande est égal au nombre de colonnes de la roue à colonnes, la sonnerie ne retentit que lors de la mise en marche du mécanisme de chronographe, tandis que si ce nombre de dents est égal au double du nombre de colonnes, la sonnerie retentit aussi bien lors de la mise en marche du mécanisme de chronographe que lors de son arrêt.When the number of teeth of the control element is equal to the number of columns of the column wheel, the buzzer sounds only when the chronograph mechanism is switched on, whereas if this number of teeth is equal to twice the number of columns, the buzzer sounds both when the chronograph mechanism is turned on and when it is stopped.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation de l'instrument pour la mesure d'intervalles de temps selon l'invention, cet exemple étant donné à titre purement illustratif et non limitatif seulement, en liaison avec le dessin annexé sur lequel :

  • la figure 1 est une vue schématique en plan d'une boîte de montre dans laquelle sont logés un mécanisme de chronographe et un mécanisme de sonnerie;
  • la figure 2 est une vue à plus grande échelle de la zone entourée d'un cercle sur la figure 1 montrant la roue à colonnes du mécanisme de chronographe et le mécanisme de sonnerie qui lui est associé;
  • la figure 3 est une vue en élévation du mécanisme de chronographe et du mécanisme de sonnerie;
  • la figure 4 est une vue en perspective d'un premier mode de réalisation de la roue à colonnes et de l'élément de commande qui lui est associé;
  • la figure 5 est une vue en perspective d'un second mode de réalisation de la roue à colonnes et de l'élément de commande qui lui est associé, et
  • la figure 6 est une vue schématique en plan d'un second mode de réalisation du mécanisme de chronographe et du mécanisme de sonnerie qui lui est associé.
Other features and advantages of the present invention will emerge more clearly from the detailed description which follows of an exemplary embodiment of the instrument for measuring time intervals according to the invention, this example being given purely by way of illustration. and not only limiting, in connection with the appended drawing in which:
  • Figure 1 is a schematic plan view of a watch case in which are housed a chronograph mechanism and a striking mechanism;
  • Figure 2 is an enlarged view of the circled area in Figure 1 showing the column wheel of the chronograph mechanism and the striking mechanism associated therewith;
  • Figure 3 is an elevational view of the chronograph mechanism and striking mechanism;
  • Figure 4 is a perspective view of a first embodiment of the column wheel and associated control element;
  • FIG. 5 is a perspective view of a second embodiment of the column wheel and the control element associated with it, and
  • Figure 6 is a schematic plan view of a second embodiment of the chronograph mechanism and the striking mechanism associated therewith.

La présente invention procède de l'idée générale inventive qui consiste à associer à un mécanisme de chronographe conventionnel un mécanisme de sonnerie qui émet un signal sonore au moins lors de la mise en marche du mécanisme de chronographe et, préférentiellement, également lors de l'arrêt dudit mécanisme de chronographe. L'utilisateur qui met en marche ou qui arrête le mécanisme de chronographe bénéficie ainsi d'une quittance audible qui lui permet d'être sûr que ledit mécanisme de chronographe a convenablement fonctionné sans devoir quitter un seul instant des yeux l'événement sportif, industriel ou autre qui est à mesurer. La précision de la mesure s'en trouve ainsi sensiblement accrue.The present invention proceeds from the general inventive idea of associating with a conventional chronograph mechanism a striking mechanism which emits a sound signal at least when the chronograph mechanism is started and, preferably, also when the chronograph mechanism is turned on. stopping said chronograph mechanism. The user who starts or stops the chronograph mechanism thus benefits from an audible receipt that allows him to be sure that said chronograph mechanism has functioned properly without having to leave a single instant of the eye the sporting event, industrial or other that is to be measured. The accuracy of the measurement is thus significantly increased.

La présente invention va être décrite en liaison avec une montre-bracelet. Il va de soi que l'invention peut s'appliquer à tout type de pièce d'horlogerie tel que, notamment, une montre de poche. Plus généralement, l'invention peut s'appliquer à tout instrument tel qu'un compteur sportif ou industriel qui comprend une base de temps mais dont la vocation n'est pas d'afficher l'heure qu'il est mais seulement de mesurer un temps écoulé.The present invention will be described in connection with a wristwatch. It goes without saying that the invention can be applied to any type of timepiece such as, in particular, a pocket watch. More generally, the invention can be applied to any instrument such as a sports or industrial counter which includes a time base but whose purpose is not to display the time but only to measure a time. time elapsed.

On ne décrira pas ici dans le détail le mécanisme de chronographe auquel est associé le mécanisme de sonnerie selon l'invention. Il s'agit en effet d'un mécanisme de chronographe à roue à colonnes d'un type conventionnel qui est bien connu de l'homme du métier. On se contentera de rappeler aux fins de la présente description qu'un tel mécanisme de chronographe comprend pour l'essentiel une roue à colonnes fabriquée en une pièce et se composant d'une denture appelée rochet et de colonnes réalisées perpendiculairement à la denture. Lors de la mise en marche du mécanisme de chronographe, un crochet de commande fait tourner d'un pas le rochet de la roue à colonnes. En même temps, le bec d'une bascule d'embrayage tombe dans un vide entre deux colonnes, ce qui assure l'engrenage entre une roue d'embrayage entraînée par la minuterie et le mobile de chronographe. Lors de l'arrêt du mécanisme de chronographe, le crochet de commande fait tourner d'un nouveau pas le rochet de la roue à colonnes. Un bloqueur tombe par son bec dans un vide de la roue à colonnes et vient appuyer sur le mobile de chronographe, stoppant ce dernier. Simultanément, la roue d'embrayage s'éloigne du mobile du chronographe. Enfin, lors de la remise à zéro du mécanisme de chronographe, un marteau vient frapper sur un coeur fixé solidairement au mobile de chronographe, permettant ainsi le retour de l'aiguille de chronographe. Pour une description complète d'un mécanisme de chronographe, on se réfèrera utilement à l'ouvrage collectif intitulé "Théorie d'horlogerie" paru en 1988 aux Editions de la Fédération des Ecoles Techniques (Suisse) et qui est inclus ici à titre de référence.We will not describe here in detail the chronograph mechanism which is associated with the striking mechanism according to the invention. This is indeed a column wheel chronograph mechanism of a conventional type which is well known to those skilled in the art. It will be recalled for the purposes of this description that such a chronograph mechanism essentially comprises a column wheel made in one piece and consisting of a toothing called ratchet and columns made perpendicular to the toothing. When the chronograph mechanism is turned on, a control hook turns the ratchet of the column wheel one step. At the same time, the nose of a clutch rocker falls into a void between two columns, which ensures the gearing between a clutch wheel driven by the timer and the chronograph mobile. When the chronograph mechanism is stopped, the control hook rotates the ratchet of the column wheel a further step. A blocker falls by its beak into a void of the column wheel and presses on the chronograph mobile, stopping the latter. At the same time, the clutch wheel moves away from the chronograph wheel. Finally, during the reset of the chronograph mechanism, a hammer hits a heart fixed integrally with the chronograph mobile, thus allowing the return of the chronograph hand. For a complete description of a chronograph mechanism, refer to the collective work entitled "Theory". watchmaking "published in 1988 at the Editions of the Federation of Technical Schools (Switzerland) and which is included here for reference.

Un premier mode de réalisation d'une montre-bracelet selon l'invention est représenté en liaison avec les figures 1 à 3. Désignée dans son ensemble par la référence numérique générale 1, cette montre-bracelet comprend une boîte 2 dans laquelle sont logés un mécanisme de chronographe 4 et un mécanisme de sonnerie 6.A first embodiment of a wristwatch according to the invention is shown in connection with FIGS. 1 to 3. Referred to as a whole by the general numerical reference 1, this wristwatch comprises a box 2 in which are housed a chronograph mechanism 4 and a striking mechanism 6.

Le mécanisme de chronographe 4 comprend pour l'essentiel une roue à colonnes 10 pivotée sur une platine 12. Cette roue à colonnes 10 est fabriquée en une pièce et se compose d'une denture 14 appelée rochet et de colonnes 16 réalisées perpendiculairement à la denture 14. A chaque commande exercée sur le mécanisme de chronographe (mise en marche, arrêt et remise à zéro), un crochet de commande 18 fait tourner d'un pas dans le sens horaire le rochet 14 de la roue à colonnes 10.The chronograph mechanism 4 essentially comprises a column wheel 10 pivoted on a plate 12. This column wheel 10 is manufactured in one piece and consists of a set of teeth 14 called ratchet and columns 16 made perpendicular to the toothing. 14. With each command exerted on the chronograph mechanism (start, stop and reset), a control hook 18 rotates the ratchet 14 of the column wheel 10 one step clockwise.

Le mécanisme de sonnerie 6 est monté sur un pont 20 et comprend pour l'essentiel un marteau de sonnerie 22 pivoté sur le pont 20 et susceptible de venir frapper un timbre 24 par sa tête 26. Deux goupilles 28a et 28b, solidaires du marteau de sonnerie 22, coopèrent respectivement avec un ressort d'actionnement 30 et un ressort de rappel 32 dont les rôles seront décrits ci-dessous.The striking mechanism 6 is mounted on a bridge 20 and essentially comprises a striking hammer 22 pivoted on the bridge 20 and able to strike a stamp 24 by its head 26. Two pins 28a and 28b, integral with the hammer ring 22, respectively cooperate with an actuating spring 30 and a return spring 32 whose roles will be described below.

Le mécanisme de chronographe 4 est lié cinématiquement au mécanisme de sonnerie 6 par le biais d'un levier de déclenchement 34 pivoté entre le pont 20 et la platine 12 et qui présente deux bras radiaux 36a et 36b diamétralement opposés. La position du levier de déclenchement 34 est indexée par un ressort sautoir 38 qui vient en appui par son extrémité libre 40 en forme de bec contre une extension 42 dudit levier de déclenchement 34. Plus précisément, l'extension 42 présente un plat 44 parallèle au plat 46 du bec 40 du sautoir 38.The chronograph mechanism 4 is kinematically linked to the striking mechanism 6 by means of a trigger lever 34 pivoted between the bridge 20 and the plate 12 and which has two radial arms 36a and 36b diametrically opposed. The position of the release lever 34 is indexed by a jumper spring 38 which bears by its free end 40 in the form of a nose against an extension 42 of said release lever 34. More specifically, the extension 42 has a flat 44 parallel to the flat 46 of the spout 40 of the jumper 38.

Un élément de commande 48 est associé à la roue à colonnes 10. Selon une première variante de réalisation illustrée à la figure 3, cet élément de commande 48 comprend un nombre de dents 50 égal au nombre de colonnes 16 de la roue à colonnes 10. Ces dents 50 qui surmontent les colonnes 16 peuvent être faites d'une pièce avec lesdites colonnes 16. L'élément de commande 48 pourrait également être réalisé sous la forme d'un anneau séparé à la surface duquel se dresseraient les dents 50 régulièrement espacées et qui serait fixé sur le sommet des colonnes 16 par tout moyen approprié.A control element 48 is associated with the column wheel 10. According to a first variant embodiment illustrated in FIG. 3, this control element 48 comprises a number of teeth 50 equal to the number of columns 16 of the column wheel 10. These teeth 50 which surmount the columns 16 can be made in one piece with said columns 16. The control element 48 could also be made in the form of a separate ring on the surface of which the teeth 50 regularly spaced and which would be fixed on the top of columns 16 by any appropriate means.

Selon une seconde variante de réalisation représentée à la figure 4, l'élément de commande 48 comprend un nombre de dents 50 égal au double du nombre de colonnes 16. Comme cela est visible à la figure 4, l'élément de commande 48 est réalisé sous la forme d'un anneau 52 à la surface duquel se dressent les dents 50 régulièrement espacées. Cet anneau 52 est fixé par tout moyen approprié sur le sommet des colonnes 16, de sorte qu'une dent sur deux soit située à la verticale d'une colonne 16, tandis que la dent suivante se trouve au-dessus d'un vide entre deux colonnes 16 successives.According to a second variant embodiment shown in FIG. 4, the control element 48 comprises a number of teeth 50 equal to twice the number of columns 16. As can be seen in FIG. 4, the control element 48 is realized in the form of a ring 52 on the surface of which the teeth 50 regularly spaced. This ring 52 is fixed by any appropriate means on the top of the columns 16, so that one tooth out of two is located vertically of a column 16, while the next tooth is above a gap between two successive columns 16.

Le fonctionnement du mécanisme décrit ci-dessus est le suivant. Lors de la mise en marche du mécanisme de chronographe 4, le crochet de commande 18 fait tourner d'un pas dans le sens horaire le rochet 14 de la roue à colonnes 10. Dans le même temps, l'élément de commande 48 commande le pivotement du levier de déclenchement 34 dans le sens anti-horaire, une dent 50 située au sommet d'une colonne 16 venant buter contre le bras 36a dudit levier 34 et écartant ce dernier de sa position de repos à l'encontre de la force de rappel du ressort sautoir 38. De même, le levier de déclenchement 34 écarte via son bras 36b le marteau de sonnerie 22 de sa position de repos en entraînant la goupille 28a à l'encontre de la force de rappel du ressort d'actionnement 30. Au fur et à mesure que le levier de déclenchement 34 pivote, son bras 36a glisse le long de la dent 50 avec laquelle il est en prise jusqu'au moment où ce bras 36a échappe à ladite dent 50. A cet instant, le ressort d'actionnement 30 se détend brusquement et entraîne, via la goupille 28a, le marteau 22 à l'encontre du timbre 24. La sonnerie retentit au moment précis où le crochet de commande 18 passe d'une dent du rochet 14 à la dent suivante, ce qui commande la mise en marche du mécanisme de chronographe 4. Après que le marteau 22 ait frappé le timbre 24, il est ramené dans sa position de repos par le ressort de rappel 32 qui agit sur la goupille 28b, tandis que le levier de déclenchement 34 recouvre lui aussi sa position de repos grâce à l'effet du ressort sautoir 38.The operation of the mechanism described above is as follows. When the chronograph mechanism 4 is started, the control hook 18 rotates the ratchet 14 of the column wheel 10 in a clockwise direction. At the same time, the control element 48 controls the pivoting of the release lever 34 counter-clockwise, a tooth 50 located at the top of a column 16 abutting against the arm 36a of said lever 34 and removing the latter from its rest position against the force of reminder of the jumper spring 38. Similarly, the release lever 34 spreads via its arm 36b the striking hammer 22 from its rest position by driving the pin 28a against the return force of the actuating spring 30. As the release lever 34 pivots, its arm 36a slides along the tooth 50 with which it is engaged until the arm 36a escapes said tooth 50. At this point, the spring 30 actuation relaxes abruptly and leads, via the goupi 28a, the hammer 22 against the stamp 24. The buzzer sounds at the precise moment when the control hook 18 passes from one tooth of the ratchet 14 to the next tooth, which controls the start of the chronograph mechanism 4. After the hammer 22 has struck the patch 24, it is returned to its rest position by the return spring 32 which acts on the pin 28b, while the release lever 34 also covers its rest position by means of the effect of the jumper spring 38.

Lors de l'arrêt du mécanisme de chronographe 4, le crochet de commande 18 fait avancer le rochet 14 d'un pas supplémentaire. A ce moment, le bras 36a du levier de déclenchement 34 se trouve dans un vide entre deux colonnes 16 successives. Si l'on se trouve dans le cas où le nombre de dents 50 est égal au nombre de colonnes 16, la sonnerie ne retentira pas lors de l'arrêt du mécanisme de chronographe 4. Inversement, si le nombre de dents 50 est le double du nombre des colonnes 16, l'une de ces dents, venant de matière avec l'anneau 52, se trouvera dans le vide entre les deux colonnes 16, et le mécanisme de sonnerie 6 sera déclenché de la façon décrite ci-avant lors de l'arrêt du mécanisme de chronographe 4.When stopping the chronograph mechanism 4, the control hook 18 advances the ratchet 14 by one additional step. At this moment, the arm 36a of the release lever 34 is in a vacuum between two successive columns 16. If one is in the case where the number of teeth 50 is equal to the number of columns 16, the ringing will not sound when stopping the chronograph mechanism 4. Conversely, if the number of teeth 50 is double of the number of columns 16, one of these teeth, coming from material with the ring 52, will be in the vacuum between the two columns 16, and the striking mechanism 6 will be triggered as described above when stopping the chronograph mechanism 4.

Un second mode de réalisation du mécanisme de sonnerie 6 selon l'invention est représenté à la figure 6. Dans ce mode de réalisation, le mécanisme de sonnerie 6 comprend un ressort à lame 54 qui est écarté de sa position de repos en se déformant élastiquement lors du passage d'une dent 50. Après que la dent 50 ait dépassé l'extrémité du ressort à lame 54, celui-ci se détend brusquement et produit une sonnerie, puis recouvre sa position de repos jusqu'au passage de la prochaine dent 50.A second embodiment of the striking mechanism 6 according to the invention is shown in FIG. 6. In this embodiment, the striking mechanism 6 comprises a leaf spring 54 which is moved away from its rest position by deforming elastically. when the passage of a tooth 50. After the tooth 50 has passed the end of the leaf spring 54, it relaxes suddenly and produces a ringing, then covers its rest position until the passage of the next tooth 50.

Il va de soi que la présente invention n'est pas limitée aux modes de réalisation qui viennent d'être décrits et que diverses modifications et variantes simples peuvent être envisagées par l'homme du métier sans sortir du cadre de l'invention tel que défini par les revendications annexées. En particulier, il peut être envisagé que les dents soient ménagées en un endroit de la hauteur des colonnes, plutôt qu'au sommet de ces dernières.It goes without saying that the present invention is not limited to the embodiments which have just been described and that various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention as defined by the appended claims. In particular, it can be envisaged that the teeth are arranged at a place of the height of the columns, rather than at the top of the latter.

Claims (11)

Instrument pour mesurer des intervalles de temps comprenant un mécanisme de chronographe (4) qu'il est au moins possible de mettre en marche, d'arrêter et de remettre à zéro, cet instrument (1) étant caractérisé en ce qu'il comprend en outre un mécanisme de sonnerie (6) qui émet un signal sonore au moins lors de la mise en marche du mécanisme de chronographe (4).An instrument for measuring time intervals comprising a chronograph mechanism (4) which it is at least possible to switch on, stop and reset, this instrument (1) being characterized in that it comprises in in addition to a striking mechanism (6) which emits a sound signal at least when the chronograph mechanism (4) is switched on. Instrument selon la revendication 1, caractérisé en ce que le mécanisme de chronographe comprend une roue à colonnes (10) à laquelle est associé un élément de commande (48) qui présente des dents (50) dont le nombre est égal ou deux fois supérieur au nombre de colonnes (16) de la roue à colonnes (10) et qui active le mécanisme de sonnerie (6) au moins lors de la mise en marche du mécanisme de chronographe (4).Instrument according to claim 1, characterized in that the chronograph mechanism comprises a column wheel (10) to which is associated a control element (48) which has teeth (50) whose number is equal to or twice that of the number of columns (16) of the column wheel (10) and which activates the striking mechanism (6) at least when the chronograph mechanism (4) is switched on. Instrument selon la revendication 2, caractérisé en ce que les dents (50) sont faites d'une pièce avec les colonnes (16).Instrument according to claim 2, characterized in that the teeth (50) are made in one piece with the columns (16). Instrument selon la revendication 2, caractérisé en ce que l'élément de commande (48) comprend un anneau à la surface duquel se dressent les dents (50) et qui est fixé sur les colonnes (16).Instrument according to claim 2, characterized in that the control element (48) comprises a ring on the surface of which the teeth (50) rise and which is fixed on the columns (16). Instrument selon l'une quelconque des revendications 2 à 4, caractérisé en ce que l'élément de commande (48) agit sur le mécanisme de sonnerie (6) par le biais d'un levier de déclenchement (34) susceptible de pivoter et présentant deux bras radiaux (36a, 36b) diamétralement opposés.Instrument according to one of Claims 2 to 4, characterized in that the control element (48) acts on the striking mechanism (6) via a triggering lever (34) which is pivotable and has two radial arms (36a, 36b) diametrically opposed. Instrument selon la revendication 5, caractérisé en ce que l'élément de commande (48) commande le pivotement du levier de déclenchement (34) en agissant sur le bras (36a) dudit levier (34) par le biais de l'une de ses dents (50), ce même levier (34) écartant par son bras (36b) un marteau de sonnerie (22) de sa position de repos à l'encontre de la force de rappel d'un ressort d'actionnement (30).Instrument according to claim 5, characterized in that the control element (48) controls the pivoting of the release lever (34) by acting on the arm (36a) of said lever (34) by means of one of its teeth (50), the same lever (34) spreading by its arm (36b) a striking hammer (22) from its rest position against the restoring force of an actuating spring (30). Instrument selon la revendication 6, caractérisé en ce que, au fur et à mesure que le levier de déclenchement (34) pivote, son bras (36a) glisse le long de la dent (50) avec laquelle il est en prise jusqu'au moment où ce bras (36a) échappe à ladite dent (50), le ressort d'actionnement (30) se détendant alors et entraînant le marteau (22) à l'encontre d'un timbre (24)Instrument according to claim 6, characterized in that , as the trigger lever (34) pivots, its arm (36a) slides along the tooth (50) with which it is engaged until the moment wherein said arm (36a) escapes said tooth (50), the actuating spring (30) then relaxing and driving the hammer (22) against a patch (24) Instrument selon l'une quelconque des revendications 6 ou 7, caractérisé en ce que le levier de déclenchement (34) entraîne une goupille (28a) solidaire du marteau de sonnerie (22).Instrument according to any one of claims 6 or 7, characterized in that the release lever (34) drives a pin (28a) integral with the striking hammer (22). Instrument selon l'une quelconque des revendications 5à 8, caractérisé en ce que la position du levier de déclenchement (34) est indexée par un ressort (38).Instrument according to one of Claims 5 to 8, characterized in that the position of the release lever (34) is indexed by a spring (38). Instrument selon l'une quelconque des revendications 6 à 9, caractérisé en ce qu'un ressort de rappel (32) agissant sur une goupille (28b) solidaire du marteau de sonnerie (22) ramène ce dernier dans sa position de repos.Instrument according to any one of claims 6 to 9, characterized in that a return spring (32) acting on a pin (28b) integral with the striking hammer (22) returns the latter to its rest position. Instrument selon l'une quelconque des revendications 2 à 10, caractérisé en ce que le mécanisme de sonnerie (6) comprend un ressort à lame (54) qui est écarté de sa position de repos lors du passage d'une dent (50) et qui se détend ensuite pour venir frapper un timbre (24), puis qui recouvre sa position de repos jusqu'au passage de la prochaine dent (50).Instrument according to any one of claims 2 to 10, characterized in that the striking mechanism (6) comprises a leaf spring (54) which is spaced from its rest position when a tooth (50) passes through and which then relaxes to strike a stamp (24), then covering its rest position until the next tooth (50) passes.
EP04030204A 2004-12-20 2004-12-20 Instrument for measuring time intervals comprising a striking mechanism Not-in-force EP1672442B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP04030204A EP1672442B1 (en) 2004-12-20 2004-12-20 Instrument for measuring time intervals comprising a striking mechanism
AT04030204T ATE554428T1 (en) 2004-12-20 2004-12-20 TIME INTERVAL MEASUREMENT DEVICE WITH AN IMPACT MECHANISM
SG200508057A SG123714A1 (en) 2004-12-20 2005-12-09 Instrument for measuring intervals of time comprising a ringing mechanism
TW094143916A TWI391799B (en) 2004-12-20 2005-12-12 Instrument for measuring intervals of time comprising a ringing mechanism
JP2005361318A JP4895164B2 (en) 2004-12-20 2005-12-15 Time interval measuring instrument with Yosuzu mechanism
KR1020050125134A KR101202512B1 (en) 2004-12-20 2005-12-19 Instrument for measuring intervals of time comprising a ringing mechanism
US11/311,156 US7292505B2 (en) 2004-12-20 2005-12-20 Instrument for measuring intervals of time comprising a ringing mechanism
CN2005101326733A CN1794115B (en) 2004-12-20 2005-12-20 Instrument for measuring intervals of time comprising a ringing mechanism
HK06113387.8A HK1092883A1 (en) 2004-12-20 2006-12-06 Instrument for measuring intervals of time comprising a ringing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04030204A EP1672442B1 (en) 2004-12-20 2004-12-20 Instrument for measuring time intervals comprising a striking mechanism

Publications (2)

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EP1672442A1 true EP1672442A1 (en) 2006-06-21
EP1672442B1 EP1672442B1 (en) 2012-04-18

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EP04030204A Not-in-force EP1672442B1 (en) 2004-12-20 2004-12-20 Instrument for measuring time intervals comprising a striking mechanism

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US (1) US7292505B2 (en)
EP (1) EP1672442B1 (en)
JP (1) JP4895164B2 (en)
KR (1) KR101202512B1 (en)
CN (1) CN1794115B (en)
AT (1) ATE554428T1 (en)
HK (1) HK1092883A1 (en)
SG (1) SG123714A1 (en)
TW (1) TWI391799B (en)

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CN102109808A (en) * 2009-12-24 2011-06-29 宝玑表有限公司 Strike mechanism for a watch
CH704392A1 (en) * 2011-01-28 2012-07-31 Montres Breguet Sa striking mechanism of a hammer lock watch.
EP3002643B1 (en) 2014-10-03 2017-06-28 Breitling AG Chronograph mechanism with column wheel
EP3495895A1 (en) * 2017-12-11 2019-06-12 Omega SA Mechanism for sound display of a timepiece, in particular chronograph repetition
US11249443B2 (en) * 2017-12-19 2022-02-15 Omega Sa Chronograph repeater mechanism with safety function
CH719555A1 (en) * 2022-03-28 2023-10-13 Richemont Int Sa Chronograph mechanism with striker.

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CH702721A2 (en) * 2010-02-26 2011-08-31 Montres Breguet Sa Ringing mechanism for watch, has stop activating counter-spring in striking mode with certain delay following to striking of hammer against gong, so that counter-spring pushes hammer to rest position after striking of hammer against gong
EP2362278B1 (en) * 2010-02-26 2016-10-12 Montres Breguet SA Hammer for a stricking mechanism of a watch
EP2363764B1 (en) * 2010-03-05 2015-09-16 Montres Breguet SA Device for sequentially controlling at least two lifts of a timepiece mechanism
CH704198A2 (en) * 2010-12-10 2012-06-15 Montres Breguet Sa Striking mechanism for striking watch, has movable and fixed elements arranged on striking portion and gong part, respectively, where hammer is driven toward gong to vibrate gong by pulse due to repulsive force of elements in striking mode
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CN102109808A (en) * 2009-12-24 2011-06-29 宝玑表有限公司 Strike mechanism for a watch
CN102109808B (en) * 2009-12-24 2012-12-26 宝玑表有限公司 Strike mechanism for a watch
CH704392A1 (en) * 2011-01-28 2012-07-31 Montres Breguet Sa striking mechanism of a hammer lock watch.
US8514670B2 (en) 2011-01-28 2013-08-20 Montres Breguet Sa Striking mechanism for a watch with a hammer locking device
EP2485097A3 (en) * 2011-01-28 2016-07-27 Montres Breguet S.A. Striking mechanism of a watch with blocking of the hammer
EP3002643B1 (en) 2014-10-03 2017-06-28 Breitling AG Chronograph mechanism with column wheel
EP3495895A1 (en) * 2017-12-11 2019-06-12 Omega SA Mechanism for sound display of a timepiece, in particular chronograph repetition
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US11249443B2 (en) * 2017-12-19 2022-02-15 Omega Sa Chronograph repeater mechanism with safety function
CH719555A1 (en) * 2022-03-28 2023-10-13 Richemont Int Sa Chronograph mechanism with striker.

Also Published As

Publication number Publication date
CN1794115A (en) 2006-06-28
US7292505B2 (en) 2007-11-06
SG123714A1 (en) 2006-07-26
KR20060070445A (en) 2006-06-23
KR101202512B1 (en) 2012-11-16
ATE554428T1 (en) 2012-05-15
JP2006177946A (en) 2006-07-06
US20060133217A1 (en) 2006-06-22
EP1672442B1 (en) 2012-04-18
JP4895164B2 (en) 2012-03-14
CN1794115B (en) 2012-01-18
TWI391799B (en) 2013-04-01
TW200625037A (en) 2006-07-16
HK1092883A1 (en) 2007-02-16

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