EP1373989B1 - Mechanism for actuating a striking work for a timepiece fitted with a timer - Google Patents

Mechanism for actuating a striking work for a timepiece fitted with a timer Download PDF

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Publication number
EP1373989B1
EP1373989B1 EP01927793A EP01927793A EP1373989B1 EP 1373989 B1 EP1373989 B1 EP 1373989B1 EP 01927793 A EP01927793 A EP 01927793A EP 01927793 A EP01927793 A EP 01927793A EP 1373989 B1 EP1373989 B1 EP 1373989B1
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EP
European Patent Office
Prior art keywords
lever
wheel
timer
mechanism according
beak
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.)
Expired - Lifetime
Application number
EP01927793A
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German (de)
French (fr)
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EP1373989A1 (en
Inventor
Christian Schmiedchen
Mathias Schneider
Patrick Streubel
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Glashuetter Uhrenbetrieb GmbH
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Glashuetter Uhrenbetrieb GmbH
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Publication of EP1373989A1 publication Critical patent/EP1373989A1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/12—Alarm watches to be worn in pockets or on the wrist
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/021—Controls (winding up the alarm; adjusting and indicating the waking time)
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/025—Signal triggering
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G04F3/022—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms using mechanical signalling device

Definitions

  • the present invention relates to a mechanism for triggering a ringtone equipping a timepiece, the latter comprising a gear train ringtone operated by a barrel.
  • Timepieces equipped with a mechanism for triggering a ringing from a barrel gear actuated by a barrel are well known of the state of the art. These are mainly timepieces ringing the time it is, half an hour and fifteen minutes at the request of the carrier when the latter operates a pusher whose room is equipped. In more complicated pieces say repeatedly, it is even possible to ring the minute.
  • CH-A-12 101 discloses a time counter that includes a ringtone powered by a barrel and that provides a signal alarm after a predetermined interval.
  • the trigger mechanism the ringtone includes a control organ that releases the striking hammer.
  • the present invention is characterized in that that the striking mechanism is arranged between a timer allowing countdown and display on a dial of a time interval predetermined, and the ring gear to sound the said ring when the timer ends at the end of the countdown.
  • FIG. 1 is a plan view of the timepiece containing the invention.
  • This piece includes timepieces, a needle hour 30, a minute hand 31 and a small second hand 32.
  • calendar at large counter 33 complete the timepiece.
  • the timepiece taken here in example still features a chronograph function with a needle second 34 and a minute counter11. Switching on and off the needle 34 and the counter 11 are made by means of a first pusher 35, while a second pusher 36 allows the resetting of said indicators 34 and 11. 37 allows, according to the axial positions to which it is brought, to remount the timepiece, update the calendar and set the time the needles of the timepiece.
  • the minute counter 11 is also used as timer or countdown timer 11 time setting the period to be settled being entrusted to Crown 37.
  • the start of timer and reassembly of a barrel operating a bell indicating the end of the countdown are performed by pressing a third push-button 38.
  • the counter-timer 11 comprises a dial 13 containing three concentric scales of ten minutes each and traversed each by a needle of different length 19, 20 and 21.
  • the timepiece comprises a gear train of ring 14 actuated by a barrel 7.
  • the barrel 7 is reassembled by a rack 39 performed on a bar 40 leading (see Figure 1) to the pusher 38.
  • the entire barrel 7, which will not be described here in detail, carries spikes 42 which actuate a striking hammer (not shown).
  • This set drives the workings of ringing 14 which here comprises three mobiles including the mobile terminal 5.
  • a striking mechanism 9 is arranged between the timer 11 allowing the countdown and the display on the dial 13 (see FIG. 1) by a predetermined time interval and the wheel 14 of FIG. ringing to sound the said ring when timer 11 comes to the end Countdown.
  • the triggering mechanism 9 comprises a rocker 1.
  • This rocker comprises a pivot shaft 15 and first and second portions 16 and 17 located on either side of the shaft 15.
  • first portion 16 is arranged to be actuated by timer 11 when the latter arrives at the end of the countdown.
  • the second portion 17 is arranged to lock the ring gear 14 during the countdown and to to unlock said train when said timer arrives at the end of said count at countdown.
  • the timer 11 essentially comprises a minute wheel 8 making a ride in thirty minutes. This wheel is put in the time that one wishes by the crown 37 of the timepiece according to a process that will not be described here. Sure the shaft 18 of the wheel 8 is fitted with the set of needles 19, 20 and 21 which display the time interval chosen, as already mentioned above.
  • the wheel 8 When we press on the third pusher 38 (see Figure 1), we go up the barrel 17 and we initiates the countdown, the wheel 8 then engaging with the movement that wears the timepiece, according to a mechanism that is not shown in FIG. The wheel 8 then rotates in the direction of the arrow A which is a counting direction.
  • the wheel 8 carries a plate 22 provided with a spout 6 and the first portion 16 of the rocker 1 carries a leaf spring 3, one end 23 of which is capable of being touched by the spout 6 of the plate 22.
  • the second portion 17 of the rocker 1 carries a stone 2 cooperating with a notch 24 made in a terminal mobile 5 of ring gear 14.
  • the mobile terminal 5 of the ring gear 14 is a centrifugal regulator which limits the speed of rotation of the cog and which acts as brake on the driveline.
  • the mobile 5 carries two weights 43 and 44 which deviate when the mobile 5 is rotated.
  • the plate 22 carrying the spout 6 can be adjusted angularly with respect to the minutes wheel 8. This adjustment can be made by means of a screw 26.
  • an orientation of the trigger nozzle 6 with respect to the teeth 27 of the wheel 8 is necessary if one wants to make coincide exactly the moment of triggering the ringing with the zero indication shown on the dial 13 of the timer.
  • FIGs 3 and 4 show an enlargement of the rocker 1 presented in Figure 2 in its context. It can be seen that the leaf spring is mounted in support against a shoulder 29 made in the first portion 16 of the rocker 1 and maintained in this position by a pin 45. We find in these figures the end 23 of the leaf spring, end representing the place touched by the spout 6 associated with the minute wheel 8. With this arrangement of the leaf spring, one will understand that the minute wheel 8 can play two roles: the timer allowing a countdown to sound a bell at the end of this count and that of minute counter of a chronograph.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)

Description

La présente invention est relative à un mécanisme de déclenchement d'une sonnerie équipant une pièce d'horlogerie, cette dernière comprenant un rouage de sonnerie actionné par un barillet.The present invention relates to a mechanism for triggering a ringtone equipping a timepiece, the latter comprising a gear train ringtone operated by a barrel.

Des pièces d'horlogerie munies d'un mécanisme de déclenchement d'une sonnerie à partir d'un rouage de sonnerie actionné par un barillet sont bien connues de l'état de la technique. Il s'agit principalement de garde-temps sonnant l'heure qu'il est, la demi-heure et le quart d'heure à la demande du porteur quand ce dernier actionne un poussoir dont la pièce est équipée. Dans des pièces plus compliquées dites à répétition, il est même possible de faire sonner la minute.Timepieces equipped with a mechanism for triggering a ringing from a barrel gear actuated by a barrel are well known of the state of the art. These are mainly timepieces ringing the time it is, half an hour and fifteen minutes at the request of the carrier when the latter operates a pusher whose room is equipped. In more complicated pieces say repeatedly, it is even possible to ring the minute.

Le document CH-A-12 101 divulgue un compteur de temps qui comprend une sonnerie actionnée par un barillet et qui fournit un signal d'alarme après un intervalle prédeterminé. Le mécanisme de déclenchement de la sonnerie comprend un organe de commande qui libère le marteau de sonnerie.CH-A-12 101 discloses a time counter that includes a ringtone powered by a barrel and that provides a signal alarm after a predetermined interval. The trigger mechanism the ringtone includes a control organ that releases the striking hammer.

La présente invention est caractérisée en ce que le mécanisme de déclenchement de sonnerie est disposé entre un temporisateur permettant le comptage à rebours et l'affichage sur un cadran d'un intervalle de temps prédéterminé, et le rouage de sonnerie pour faire entendre ladite sonnerie quand le temporisateur arrive à la fin du comptage à rebours.The present invention is characterized in that that the striking mechanism is arranged between a timer allowing countdown and display on a dial of a time interval predetermined, and the ring gear to sound the said ring when the timer ends at the end of the countdown.

L'invention va être expliquée maintenant en détail ci-dessous par un mode d'exécution donné en exemple, cette exécution étant illustrée par les dessins annexés parmi lesquels :

  • la figure 1 est une vue en plan de la pièce d'horlogerie contenant l'invention;
  • la figure 2 est une vue en plan du mécanisme de déclenchement selon l'invention, mécanisme situé entre un temporisateur et un rouage de sonnerie;
  • la figure 3 est une vue agrandie d'une bascule constituant la pièce principale du mécanisme de déclenchement, et
  • la figure 4 est une vue selon la flèche IV représentée en figure 3.
The invention will now be explained in detail below by an exemplary embodiment, this embodiment being illustrated by the appended drawings in which:
  • Figure 1 is a plan view of the timepiece containing the invention;
  • Figure 2 is a plan view of the trigger mechanism according to the invention, a mechanism between a timer and a ring gear;
  • FIG. 3 is an enlarged view of a flip-flop constituting the main part of the triggering mechanism, and
  • Figure 4 is a view along the arrow IV shown in Figure 3.

La figure 1 est une vue en plan de la pièce d'horlogerie 10 contenant l'invention. Cette pièce comporte des aiguilles de garde-temps, soit une aiguille d'heure 30, une aiguille de minute 31 et une aiguille de petite seconde 32. Un calendrier à grand guichet 33 complète le garde-temps. La pièce d'horlogerie prise ici en exemple comporte encore une fonction chronographe avec une aiguille de seconde 34 et un compteur de minute11. La mise en marche puis l'arrêt de l'aiguille 34 et du compteur 11 sont réalisés au moyen d'un premier poussoir 35, tandis qu'un deuxième poussoir 36 permet la remise à zéro desdits indicateurs 34 et 11. Une couronne 37 permet, suivant les positions axiales auxquelles elle est amenée, de remonter la pièce d'horlogerie, de mettre le calendrier au jour et de mettre à l'heure les aiguilles du garde-temps.FIG. 1 is a plan view of the timepiece containing the invention. This piece includes timepieces, a needle hour 30, a minute hand 31 and a small second hand 32. calendar at large counter 33 complete the timepiece. The timepiece taken here in example still features a chronograph function with a needle second 34 and a minute counter11. Switching on and off the needle 34 and the counter 11 are made by means of a first pusher 35, while a second pusher 36 allows the resetting of said indicators 34 and 11. 37 allows, according to the axial positions to which it is brought, to remount the timepiece, update the calendar and set the time the needles of the timepiece.

Dans la pièce d'horlogerie prise en exemple, le compteur de minute 11 est également utilisé comme temporisateur ou compteur à rebours 11 la mise au temps de la période à décompter étant confiée à la couronne 37. Le démarrage du temporisateur et le remontage d'un barillet actionnant une sonnerie indiquant la fin du comptage à rebours sont effectués en pressant sur un troisième poussoir 38. Comme le montrent les figures 1 et 2, le compteur-temporisateur 11 comporte un cadran 13 contenant trois échelles concentriques de dix minutes chacune et parcourues chacune par une aiguille de longueur différente 19, 20 et 21.In the timepiece taken as an example, the minute counter 11 is also used as timer or countdown timer 11 time setting the period to be settled being entrusted to Crown 37. The start of timer and reassembly of a barrel operating a bell indicating the end of the countdown are performed by pressing a third push-button 38. As As shown in FIGS. 1 and 2, the counter-timer 11 comprises a dial 13 containing three concentric scales of ten minutes each and traversed each by a needle of different length 19, 20 and 21.

Comme le montre la figure 2, la pièce d'horlogerie comporte un rouage de sonnerie 14 actionné par un barillet 7. Le barillet 7 est remonté par une crémaillère 39 pratiquée sur une barre 40 aboutissant (voir figure 1) au poussoir 38. L'ensemble du barillet 7, qui ne sera pas décrit ici dans le détail, porte des pointes 42 qui actionnent un marteau de sonnerie (non représenté). Cet ensemble entraíne le rouage de sonnerie 14 qui comprend ici trois mobiles dont le mobile terminal 5.As shown in FIG. 2, the timepiece comprises a gear train of ring 14 actuated by a barrel 7. The barrel 7 is reassembled by a rack 39 performed on a bar 40 leading (see Figure 1) to the pusher 38. The entire barrel 7, which will not be described here in detail, carries spikes 42 which actuate a striking hammer (not shown). This set drives the workings of ringing 14 which here comprises three mobiles including the mobile terminal 5.

Selon l'invention, un mécanisme 9 de déclenchement de sonnerie est disposé entre le temporisateur 11 permettant le comptage à rebours et l'affichage sur le cadran 13 (voir figure 1) d'un intervalle de temps prédéterminé et le rouage 14 de sonnerie pour faire entendre ladite sonnerie quand le temporisateur 11 arrive à la fin du comptage à rebours.According to the invention, a striking mechanism 9 is arranged between the timer 11 allowing the countdown and the display on the dial 13 (see FIG. 1) by a predetermined time interval and the wheel 14 of FIG. ringing to sound the said ring when timer 11 comes to the end Countdown.

Comme on le voit bien sur la figure 2, le mécanisme de déclenchement 9 comporte une bascule 1. Cette bascule comprend un arbre de pivotement 15 et des première et seconde portions 16 et 17 situées de part et d'autre de l'arbre 15. La première portion 16 est arrangée pour être actionnée par le temporisateur 11 quand ce dernier arrive en fin de comptage à rebours. La seconde portion 17 est arrangée pour bloquer le rouage de sonnerie 14 pendant le comptage à rebours et pour débloquer ledit rouage quand ledit temporisateur arrive à la fin dudit comptage à rebours.As can be seen in FIG. 2, the triggering mechanism 9 comprises a rocker 1. This rocker comprises a pivot shaft 15 and first and second portions 16 and 17 located on either side of the shaft 15. first portion 16 is arranged to be actuated by timer 11 when the latter arrives at the end of the countdown. The second portion 17 is arranged to lock the ring gear 14 during the countdown and to to unlock said train when said timer arrives at the end of said count at countdown.

Une façon de réaliser ce mécanisme de déclenchement va être maintenant décrit en détail. On se référera pour cela aux figures 2, 3 et 4.One way to realize this trigger mechanism is going to be now described in detail. Reference is made to FIGS. 2, 3 and 4.

Le temporisateur 11 comporte essentiellement une roue des minutes 8 faisant un tour en trente minutes. Cette roue est mise au temps que l'on souhaite par la couronne 37 de la pièce d'horlogerie selon un processus qui ne sera pas décrit ici. Sur l'arbre 18 de la roue 8 est emmanché l'ensemble d'aiguilles 19, 20 et 21 qui affichent l'intervalle de temps choisi, comme on l'a déjà mentionné plus haut. Au moment où l'on presse sur le troisième poussoir 38 (voir figure 1), on remonte le barillet 17 et l'on initie le compte à rebours, la roue 8 venant alors en prise avec le mouvement que porte la pièce d'horlogerie, selon un mécanisme qui n'est pas représenté à la figure 2. La roue 8 tourne alors dans le sens de la flèche A qui est un sens de décomptage.The timer 11 essentially comprises a minute wheel 8 making a ride in thirty minutes. This wheel is put in the time that one wishes by the crown 37 of the timepiece according to a process that will not be described here. Sure the shaft 18 of the wheel 8 is fitted with the set of needles 19, 20 and 21 which display the time interval chosen, as already mentioned above. When we press on the third pusher 38 (see Figure 1), we go up the barrel 17 and we initiates the countdown, the wheel 8 then engaging with the movement that wears the timepiece, according to a mechanism that is not shown in FIG. The wheel 8 then rotates in the direction of the arrow A which is a counting direction.

On observera ici que le mécanisme montré en figure 2 est vu sous la pièce d'horlogerie ce qui explique que le sens de la flèche A se trouve être l'inverse du sens de décomptage montré en figure 1 où la pièce d'horlogerie est vue de dessus.It will be observed here that the mechanism shown in FIG. 2 is seen under the piece this explains why the direction of the arrow A is the opposite of the meaning counting shown in Figure 1 where the timepiece is viewed from above.

La roue 8 porte une plaque 22 pourvue d'un bec 6 et la première portion 16 de la bascule 1 porte un ressort-lame 3 dont une extrémité 23 est susceptible d'être touchée par le bec 6 de la plaque 22. La seconde portion 17 de la bascule 1 porte une pierre 2 coopérant avec une encoche 24 pratiquée dans un mobile terminal 5 du rouage de sonnerie 14.The wheel 8 carries a plate 22 provided with a spout 6 and the first portion 16 of the rocker 1 carries a leaf spring 3, one end 23 of which is capable of being touched by the spout 6 of the plate 22. The second portion 17 of the rocker 1 carries a stone 2 cooperating with a notch 24 made in a terminal mobile 5 of ring gear 14.

Pendant le comptage à rebours, le bec 6 de la plaque 22 n'est pas en contact avec l'extrémité 23 du ressort-lame 3, et la pierre 2 est engagée dans l'encoche 24 du mobile 5 bloquant ainsi le rouage de sonnerie 14. On observera ici que la pierre 2 est maintenue engagée dans l'encoche 24 par l'effet d'un ressort-lame 4 qui appuie sur la seconde portion 17 de la bascule 1, cette force d'appui pouvant d'ailleurs être réglée par un dispositif de réglage 28. En tournant le dispositif 28 dans un sens F ou G on augmente, respectivement, diminue cette force d'appui.During the countdown, the spout 6 of the plate 22 is not in contact with the end 23 of the leaf spring 3, and the stone 2 is engaged in the notch 24 of the mobile 5 thus blocking the ring gear 14. It will be observed here that the stone 2 is kept engaged in the notch 24 by the effect of a leaf spring 4 which presses on the second portion 17 of the rocker 1, this support force can also be adjusted by an adjusting device 28. By turning the device 28 in a direction F or G on increases, respectively, decreases this support force.

Quand le temporisateur 11 arrive en fin de comptage à rebours, le bec 6 de la plaque 22 rencontre l'extrémité 23 du ressort-lame 3 et entraíne la bascule 1 en rotation ce qui a pour effet de dégager la pierre 2 de l'encoche 24. Le rouage de sonnerie est ainsi libéré et les pointes 42 faisant partie de l'ensemble du barillet 7 se mettent à tourner ce qui actionne le marteau de sonnerie comme on l'a décrit plus haut. On notera ici qu'une seule pointe serait suffisante pour émettre un son unique. On a préféré cependant disposer de trois pointes engendrant trois sons brefs et rapprochés. On notera encore que la force nécessaire pour déclencher le mécanisme est très faible grâce au dispositif proposé.When the timer 11 reaches the end of the countdown, the spout 6 of the plate 22 meets the end 23 of the leaf spring 3 and drives the rocker 1 in rotation which has the effect of clearing the stone 2 of the notch 24. The wheel of ringing is thus released and the tips 42 forming part of the barrel assembly 7 is turn what drives the striking hammer as described more high. It should be noted here that a single peak would be sufficient to emit a single sound. However, it has been preferred to have three points generating three short sounds and together. It will be noted that the force required to trigger the mechanism is very low thanks to the proposed device.

On mentionnera encore que le mobile terminal 5 du rouage de sonnerie 14 est un régulateur centrifuge qui limite la vitesse de rotation du rouage et qui agit comme frein sur la chaíne cinématique. A cet effet, le mobile 5 porte deux masselottes 43 et 44 qui s'écartent quand le mobile 5 est entraíné en rotation.It will also be mentioned that the mobile terminal 5 of the ring gear 14 is a centrifugal regulator which limits the speed of rotation of the cog and which acts as brake on the driveline. For this purpose, the mobile 5 carries two weights 43 and 44 which deviate when the mobile 5 is rotated.

La plaque 22 portant le bec 6 peut être ajustée angulairement par rapport à la roue des minutes 8. Cet ajustement peut se faire au moyen d'une vis 26. On comprendra qu'une orientation du bec-déclencheur 6 par rapport à la denture 27 de la roue 8 est nécessaire si l'on veut faire coïncider avec exactitude le moment de déclenchement de la sonnerie avec l'indication zéro montrée sur le cadran 13 du temporisateur.The plate 22 carrying the spout 6 can be adjusted angularly with respect to the minutes wheel 8. This adjustment can be made by means of a screw 26. On will understand that an orientation of the trigger nozzle 6 with respect to the teeth 27 of the wheel 8 is necessary if one wants to make coincide exactly the moment of triggering the ringing with the zero indication shown on the dial 13 of the timer.

Les figures 3 et 4 montrent un agrandissement de la bascule 1 présentée en figure 2 dans son contexte. On s'aperçoit que le ressort-lame est monté en appui contre un épaulement 29 pratiqué dans la première portion 16 de la bascule 1 et maintenu dans cette position par une goupille 45. On retrouve dans ces figures l'extrémité 23 du ressort-lame, extrémité représentant l'endroit touché par le bec 6 associé à la roue des minutes 8. Grâce à cette disposition du ressort-lame, on comprendra que la roue des minutes 8 peut jouer deux rôles : celui de temporisateur permettant un comptage à rebours déclenchant une sonnerie à la fin de ce comptage et celui de compteur des minutes d'un chronographe.Figures 3 and 4 show an enlargement of the rocker 1 presented in Figure 2 in its context. It can be seen that the leaf spring is mounted in support against a shoulder 29 made in the first portion 16 of the rocker 1 and maintained in this position by a pin 45. We find in these figures the end 23 of the leaf spring, end representing the place touched by the spout 6 associated with the minute wheel 8. With this arrangement of the leaf spring, one will understand that the minute wheel 8 can play two roles: the timer allowing a countdown to sound a bell at the end of this count and that of minute counter of a chronograph.

Dans la pièce d'horlogerie prise en exemple, le comptage à rebours entraíne la roue des minutes 8 et le bec 6 qui lui est associé dans un sens A (sens horaire). Dans cette situation, lorsque le bec touche le ressort-lame 3, et plus précisément l'extrémité 23 de ce ressort-lame, ce dernier ne peut pas fléchir appuyé qu'il est contre l'épaulement 29 de la bascule 1, ce qui entraíne la bascule en rotation et déclenche le mécanisme de sonnerie.In the timepiece taken as an example, counting down leads to the minute wheel 8 and the spout 6 associated with it in a direction A (clockwise). In this situation, when the nose touches the leaf spring 3, and more precisely the end 23 of this leaf spring, the latter can not flex supported that it is against the shoulder 29 of the rocker 1, which causes the rocker in rotation and triggers the ring mechanism.

Lorsque la roue des minutes 8 est entraínée dans un sens opposé B (sens antihoraire) à celui qu'elle a quand elle compte à rebours, notamment quand elle est utilisée comme compteur des minutes d'un chronographe, le ressort-lame 3 va fléchir comme montré en référence 3' sur la figure 3 et laisser passer le bec 6 sans détérioration aucune du mécanisme. Une situation identique se retrouve quand, au moyen de la couronne 37, on fixe le temps à décompter et qu'on passe, par exemple, plusieurs fois sur le zéro du cadran 13.When the minute wheel 8 is driven in an opposite direction B (direction counterclockwise) to the one she has when she counts down, especially when she is used as a minute counter of a chronograph, the leaf spring 3 will flex as shown in reference 3 'in Figure 3 and let the spout 6 without deterioration none of the mechanism. An identical situation is found when, by means of the ring 37, the time to be counted is set and, for example, several times on the zero of the dial 13.

Claims (10)

  1. Mechanism (9) for triggering a striking work fitted to a timepiece (6), the later including a strike train (14) actuated by a barrel (7), characterised in that said trigger mechanism is arranged between a timer (11) for counting down and displaying on a dial (13) a predetermined time interval, and the strike train (14) for making said striking work hear when the timer reaches the end of the countdown.
  2. Mechanism according to claim 1, characterised in that it includes a lever (1) inserted between the timer (11) and the strike train (14), said lever including a pivoting shaft (15) and first (16) and second (17) portions located on either side of said shaft, said first portion (16) being arranged to be actuated by the timer (11) when the latter reaches the end of the countdown and said second portion (17) being arranged to lock the strike train (14) during the countdown and to unlock said strike train when said timer reaches the end of the countdown.
  3. Mechanism according to claim 2, characterised in that the timer (11) includes a minute wheel (8) on the shaft (18) on which is mounted a set of hands (19, 20, 21) displaying the time interval, said wheel (8) carrying a plate (22) provided with a beak (6), in that the first portion (16) of the lever (1) carries a leaf spring (3), one end of which (23) is capable of being contacted by the beak (6) of the plate (22) to drive the lever (1) in rotation, and in that the second portion (17) of the lever (1) carries a locking stone (2) co-operating with a notch (24) made in a wheel set (5) of the strike train (14) to lock the latter during the countdown.
  4. Mechanism according to claim 3, characterised in that the plate (22) is fixed to the minute wheel (8) by a screw (26) allowing the beak (6) of said plate to be oriented with respect to the toothing (27) of the wheel.
  5. Mechanism according to claim 3, characterised in that the stone (2) carried by the second portion (17) of the lever (1) is held in the notch (24) of the wheel set (5) of the strike train (14) by means of a leaf spring (4) pressing on said second portion.
  6. Mechanism according to claim 5, characterised in that an adjustment device (28) is implemented on the leaf spring (4) to adjust the pressure thereof on the second portion (17) of the lever (1 ).
  7. Mechanism according to claim 3, characterised in that the wheel set (5) of the strike train (14) in which the notch (24) for co-operating with the stone (2) of the lever (1) is made, is a centrifugal governor located at the end of the strike train (14).
  8. Mechanism according to claim 3, characterised in that the countdown drives the minute wheel (8) and the beak (6) which is associated with it in a direction (A) such that, when the beak contacts the leaf spring (3), the latter is arranged not to bend, which drives the lever (1) in rotation and triggers the striking work mechanism.
  9. Mechanism according to claim 3, characterised in that when the minute wheel (8) is driven in an opposite direction (B) to that which it has when it is counting down, particularly when it is used as a chronograph minute counter, the leaf spring (3) is arranged to bend when the beak (6) associated with the wheel (8) contacts said leaf, such that the lever (1) allows the beak to pass without forcing the mechanism.
  10. Mechanism according to claim 8 or claim 9, characterised in that the leaf spring (3) abuts against a shoulder (29) made in the first portion (16) of the lever (1), the end (23) of said leaf spring exceeding said first portion (16), said end (23) representing the place contacted by the beak (6) associated with the minute wheel (8).
EP01927793A 2001-03-21 2001-03-21 Mechanism for actuating a striking work for a timepiece fitted with a timer Expired - Lifetime EP1373989B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/003345 WO2002077722A1 (en) 2001-03-21 2001-03-21 Mechanism for actuating a striking work for a timepiece fitted with a timer

Publications (2)

Publication Number Publication Date
EP1373989A1 EP1373989A1 (en) 2004-01-02
EP1373989B1 true EP1373989B1 (en) 2005-06-01

Family

ID=8164346

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Application Number Title Priority Date Filing Date
EP01927793A Expired - Lifetime EP1373989B1 (en) 2001-03-21 2001-03-21 Mechanism for actuating a striking work for a timepiece fitted with a timer

Country Status (5)

Country Link
US (1) US7070320B2 (en)
EP (1) EP1373989B1 (en)
JP (1) JP4759217B2 (en)
DE (1) DE60111273T2 (en)
WO (1) WO2002077722A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1498788A1 (en) * 2003-07-14 2005-01-19 Eterna SA Display device for timepiece
EP1708051A1 (en) * 2005-03-31 2006-10-04 Zenith International SA Timepiece comprising an alarm
CH700605A1 (en) * 2009-03-25 2010-09-30 Ball Watch Company S A Horlogical movement for wristwatch, has drive units driving additional indicator units for displaying hour and minute of temporal period, and regulation units activated by user and acting on alarm gear train for regulating value of period
JP2011038867A (en) * 2009-08-10 2011-02-24 Casio Computer Co Ltd Dial plate structure and pointer-type apparatus
EP3159753B1 (en) * 2015-10-21 2018-10-10 Blancpain SA. Adjustable wake-up reminder timer for a mechanical watch
CH717358A2 (en) * 2020-04-29 2021-10-29 Patek Philippe Sa Geneve Watch movement comprising a countdown chronograph mechanism and a striking mechanism.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2113274A (en) * 1934-11-08 1938-04-05 Lux Clock Mfg Company Alarm interval timer
FR783990A (en) 1935-01-11 1935-07-20 Usines X Aubert Improvements upon awakening
US2554402A (en) * 1943-04-20 1951-05-22 Ditisheim & Cie Control for alarm watches
US3086352A (en) * 1959-09-30 1963-04-23 Samuel Jack Kaufman Alarm wrist-watch
CH372989A (en) 1959-11-06 1963-12-14 D Ebauches Unitas S A Fab Bell time counter
CH444056A (en) * 1964-09-17 1967-05-31 Philippe Jaccard Rene Timepiece with horn
DE1523751A1 (en) * 1965-12-14 1969-07-10 Tissot Horlogerie Alarm clock
CH689470A5 (en) * 1996-05-09 1999-04-30 Fortis Uhren Ag Mechanical chronograph mechanism
CH692067A5 (en) 1998-03-24 2002-01-15 Nardin Ulysse Sa Piece equipped with an alarm watch.

Also Published As

Publication number Publication date
JP4759217B2 (en) 2011-08-31
EP1373989A1 (en) 2004-01-02
WO2002077722A1 (en) 2002-10-03
US7070320B2 (en) 2006-07-04
DE60111273T2 (en) 2006-03-23
US20040090870A1 (en) 2004-05-13
DE60111273D1 (en) 2005-07-07
JP2004521345A (en) 2004-07-15

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