EP2660662A2 - Alarm mechanism - Google Patents

Alarm mechanism Download PDF

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Publication number
EP2660662A2
EP2660662A2 EP13002121.5A EP13002121A EP2660662A2 EP 2660662 A2 EP2660662 A2 EP 2660662A2 EP 13002121 A EP13002121 A EP 13002121A EP 2660662 A2 EP2660662 A2 EP 2660662A2
Authority
EP
European Patent Office
Prior art keywords
hammer
stamp
mechanism according
winding
spring
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
EP13002121.5A
Other languages
German (de)
French (fr)
Other versions
EP2660662B1 (en
EP2660662A3 (en
Inventor
Münch Jan
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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Filing date
Publication date
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of EP2660662A2 publication Critical patent/EP2660662A2/en
Publication of EP2660662A3 publication Critical patent/EP2660662A3/en
Application granted granted Critical
Publication of EP2660662B1 publication Critical patent/EP2660662B1/en
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Anticipated expiration legal-status Critical

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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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/10—Releasing or locking the regular stroke, e.g. for silence during the night
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks
    • 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
    • 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
    • G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
    • 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

Definitions

  • the hammer or hammers in idle mode are maintained in a position for which their strike zone is close to the stamp, a counter-spring or damper, ensuring a rest position of the hammer slightly removed from the stamp, this not to dampen the free vibrations of the stamp. In this position of the rest mode of the striking mechanism the hammer drive spring is disarmed.
  • this ring gear comprises a speed controller.
  • Such striking mechanisms are for example described in the documents EP 2 362 278 , EP 2 362 279 or US 587,574 . It can thus be seen that throughout the evolution of the striking mechanisms in the rest position of the mechanism the hammer is in the immediate vicinity of the bell and its drive spring is not cocked. It is at the sounding of the ring that the hammer is moved back and its spring then released for striking.
  • the ringing does not occur at the exact moment desired but with a certain delay.
  • the objects of the present invention are, taken separately or in combination, to simplify the ring gear, to allow the suppression of the spring-spring or the damper so as to allow a better energy transmission of the hammer to the stamp and d improve the accuracy of the ring, that is to say to allow to hit the stamp with the hammer at a predetermined time with great precision.
  • the drive spring 6 is secured to a heel 6.2 pivoted on the plate 2 of movement about an axis or pin 6.3.
  • An eccentric E pivoted in the plate 2 serves as a stop for the heel 6.2 of the spring 6.
  • the angular position of the eccentric E makes it possible to adjust the angular position of the heel 6.3 and thus the force applied by the spring 6 on the hammer 3.
  • heel 6.3 of the drive spring 6 could be fixed without the possibility of adjustment on the plate 2 or fixed on the plate in an adjustable manner by other means.
  • This striking mechanism also comprises a device for winding the driving spring 6 of the hammer 3 comprising an arming wheel consisting of in this first embodiment of the mechanism by a winding wheel 8 having a set of teeth 8.1 at its periphery.
  • This winding wheel 8 is pivoted on the plate 2 of the movement and is integral with a pinion 9 meshing with a toothed wheel 10 integral with the cage of a barrel comprising a mainspring (not shown).
  • This barrel may be the engine cylinder of the watch movement or the barrel dedicated to the striking mechanism and the kinematic link connecting this barrel to the mobile device 8 may be of any nature other than that described and illustrated here.
  • This striking mechanism further comprises a locking device of the arming device constituted in this example by a rocker 11 pivoted at 11.1 on the plate and a first end 11.2 cooperates with the toothing 8.1 of the winding wheel 8 while the second end 11.3 is placed in a notch 14 that includes the hub of the hammer 3.
  • This notch 14 is located in the immediate vicinity of the tooth 7 of the hammer 3.
  • the blank of this tooth 7 opposite that coming into contact with the spring of drive 6 forms one side of said notch 14.
  • the arming device of the driving spring 6 of the hammer 3 further comprises a winding lever 12 pivoted on the hammer 12.1 non-coaxially with the pivot axis 4 of the hammer 3.
  • This arming lever 12 comprises two pins 12.2, 12.3 serving as stops to a flexible guide 13 fixed by one of its ends on the plate 2.
  • This flexible guide is positioned to intersect the pivot axis 12,2 of the arming lever 12 on the hammer and to extend between the two pins 12.2, 12.3 of the lever 12.
  • direction of the flexible guide is such that it passes through the apex of the teeth 8.1 of the winding wheel 8 and the pivot axis 12.1 of the arming lever 12.
  • the flexible guide 13 formed of a flexible blade is positioned at rest parallel to the plate 2 and in a plane perpendicular to the plate 2 passing through the pivot axis 12.1 of the arming lever 1 and the end of a tooth 8.1 of the winding wheel 8.
  • the mechanism is thus again in the rest position ( figure 1 ) for which the hammer 3 is removed from the stamp and the hammer drive spring 6 is armed.
  • the rake 15 may either be actuated again by one step by the triggering device of the striking mechanism to ring a further blow, or be downgraded to the rest position.
  • This mechanism is simple, it requires little room, the ring gear is reduced and does not include a cruise control. This mechanism does not include a counter-spring or damper for the hammer 3.
  • the ringing is immediate fall of the hammer 3 being practically instant from its pre-armed position.
  • the accuracy of the moment when the ringtone should sound is greatly improved.
  • the ringing power is also improved because there is no more energy loss due to the hammer counter-spring.
  • the blocking device formed by the blocking lever 11 makes it possible, when the striking mechanism is in the idle state, to hold the driving spring 6 in the armed position and to hold the hammer 3 in a position for which part 5 intended to hit the stamp 1 is away from the latter.
  • the winding wheel 8 can be made in another form, for example a mobile armature having the shape of a toothed sector connected to the barrel cage by a unidirectional clutch. Its connection to the barrel can also be performed differently.
  • the device locking of the arming device can also be achieved otherwise than with a blocking lever.
  • the release element formed by the rake 15 in this embodiment can also be made differently, it is still controlled against by the watch movement or by a manual triggering member such as a pusher.
  • the striking mechanism does not need to have a counter-spring or damper to prevent the hammer from coming to rest against the stamp under the action of shocks that may be experienced by the piece of equipment. watchmaking. It also does not include cruise control.
  • the striking mechanism is simpler and above all makes it possible to transmit a maximum of energy to the tone when the hammer is struck on this stamp, the energy loss due to the counter-spring or damper being eliminated.
  • the ringing is done immediately after its release, the time required to arm the hammer drive spring being removed.
  • This second embodiment of the striking mechanism further comprises a device for winding the driving spring 6 of the hammer 3 comprising a winding arm consisting of a winding wheel 8 pivoted on the plate 2 and having a toothing formed of teeth 8.1.
  • This winding wheel 8 is integral with a pinion 9 meshing with a toothed wheel 10 secured to or kinematically connected to the cage of a barrel and thus to the mainspring of the movement (not shown).
  • This barrel may be the engine cylinder of the watch movement or a barrel dedicated to the striking mechanism and the kinematic connection connecting the barrel to the mobile device 8 may be of any nature other than that described here.
  • This arming device further comprises a winding member 20 comprising a heel 20.1 fixed by a screw 20.2 and a pin 20.3 on the hammer 3.
  • This armature member 20 further comprises a spring blade 20.4 whose end has the shape a hook 20.5. The elasticity of this spring blade tends to apply the hook 20.5 against a tooth 8.1 of the winding wheel 8.
  • This striking mechanism further comprises a locking device of the armoring device comprising a trigger 21 pivoted at 21.1 on the plate 2 and whose end 21.2 is engaged in a notch 22 that includes the hub of the hammer 3.
  • This trigger comprises a pallet 21.4 intended to cooperate with the teeth 8.1 of the winding wheel 8. This pallet 21.4 extends perpendicularly out of the plane of the trigger 21.
  • the triggering mechanism of the striking mechanism comprises a trigger wheel 23 having a sawtooth toothing.
  • This trigger wheel is driven by the clockwork movement or by a usual ringing mechanism of a specified number of steps when the ring is to be activated.
  • This triggering mechanism also comprises a trigger rocker 24, pivoted at 24.1 on the plate 2, which comprises a first arm 24.2 whose end 24.3 cooperates with the toothing of the trigger wheel 23 and a second arm 24.4 whose end cooperates with an extension of the hook 20.5 extending below the winding wheel 8.
  • a return spring 25 tending to maintain the first arm 24.2 of this flip-flop 24 against a stop 26, in the rest position for which the end 24.3 of the first arm 24.2 of the rocker 24 is located on the path of the teeth of the trigger wheel 23 and for which the end of the second arm 24.4 of the flip-flop 24 is not in contact with the hook extension 20.5.
  • This operation is repeated for each triggering of the latch 24 in the clockwise direction.

Abstract

The mechanism has a stamp (1), and a hammer (3) that is arranged such that a striking nozzle (5) of the hammer comes to strike the stamp in a ringing mode of an alarm mechanism. A drive spring (6) of the hammer operates directly or indirectly such that the hammer is able to project against the stamp in the ringing mode to produce a sound. A rest mode is provided for the mechanism in which the hammer is in a position for which the nozzle of the hammer intended to strike the stamp is far away from the stamp, and the drive spring is maintained in an armed position.

Description

La présente invention se rapporte aux mécanismes de sonnerie du mouvement d'une pièce d'horlogerie telle qu'une montre bracelet, une montre de poche ou une pendulette qui comporte :

  • un timbre,
  • un marteau agencé pour qu'une partie de celui-ci vienne frapper le timbre en mode de sonnerie du mécanisme de sonnerie,
  • un ressort d'entraînement du marteau agissant directement ou indirectement sur le marteau pour le projeter contre le timbre dans un mode de sonnerie du mécanisme de sonnerie pour produire un son.
The present invention relates to ringing mechanisms of the movement of a timepiece such as a wristwatch, a pocket watch or a clock that comprises:
  • a stamp,
  • a hammer arranged so that a part of it comes to strike the bell in striking mode of the striking mechanism,
  • a hammer drive spring acting directly or indirectly on the hammer to project it against the timbre in a bell mode of the striking mechanism to produce a sound.

Habituellement dans les mécanismes de sonnerie connus le ou les marteaux en mode repos sont maintenus dans une position pour laquelle leur zone de frappe est proche du timbre, un contre-ressort ou amortisseur, assurant une position de repos du marteau légèrement éloignée du timbre, ceci pour ne pas amortir les vibrations libres du timbre. Dans cette position du mode de repos du mécanisme de sonnerie le ressort d'entraînement du marteau est désarmé.Usually in known striking mechanisms the hammer or hammers in idle mode are maintained in a position for which their strike zone is close to the stamp, a counter-spring or damper, ensuring a rest position of the hammer slightly removed from the stamp, this not to dampen the free vibrations of the stamp. In this position of the rest mode of the striking mechanism the hammer drive spring is disarmed.

Lorsque la sonnerie est déclenchée un rouage de sonnerie est libéré de sorte que le marteau soit entraîné en rotation pour armer son ressort d'entraînement jusqu'au moment ou l'armage dudit ressort étant complet, le marteau soit libéré et tombe sur le timbre sous l'action de son ressort d'entraînement. Généralement ce rouage de sonnerie comporte un régulateur de vitesse.When the ringing is triggered a ring gear is released so that the hammer is rotated to arm its drive spring until the arming of said spring is complete, the hammer is released and falls on the stamp under the action of his training spring. Generally this ring gear comprises a speed controller.

De tels mécanismes de sonnerie sont par exemple décrits dans les documents EP 2 362 278 , EP 2 362 279 ou US 587 574 . On voit ainsi que dans toute l'évolution des mécanismes de sonnerie dans la position de repos du mécanisme le marteau est à proximité immédiate du timbre et son ressort d'entraînement n'est pas armé. C'est au déclenchement de la sonnerie que le marteau est reculé et son ressort armé puis libéré pour la frappe.Such striking mechanisms are for example described in the documents EP 2 362 278 , EP 2 362 279 or US 587,574 . It can thus be seen that throughout the evolution of the striking mechanisms in the rest position of the mechanism the hammer is in the immediate vicinity of the bell and its drive spring is not cocked. It is at the sounding of the ring that the hammer is moved back and its spring then released for striking.

Ces mécanismes de sonnerie présentent des inconvénients. D'une part lors de la frappe du marteau sur le timbre il faut vaincre la force résistante du contre-ressort ou de l'amortisseur ce qui forcément diminue l'énergie transmise au timbre et réduit d'autant la puissance du son émis par le timbre. D'autre part comme suite au déclenchement de la sonnerie il faut armer le marteau, un temps non négligeable et pas forcément constant s'écoule entre le déclenchement et le retentissement de la sonnerie.These striking mechanisms have disadvantages. On the one hand when the hammer is struck on the stamp it is necessary to overcome the resistant force of the counter-spring or damper which necessarily reduces the energy transmitted to the timbre and reduces by the power of the sound emitted by the stamped. On the other hand as following the triggering of the ring must be armed the hammer, a significant and not necessarily constant time elapses between the trigger and the resonance of the ring.

La sonnerie ne survient donc pas au moment exact désiré mais avec un certain retard.The ringing does not occur at the exact moment desired but with a certain delay.

Un autre inconvénient des mécanismes de sonnerie existant réside dans la complexité du rouage de sonnerie qui comprend notamment un régulateur de vitesse consommant une partie non négligeable de l'énergie disponible pour actionner la sonnerie.Another drawback of existing striking mechanisms lies in the complexity of the ring gear which includes a speed regulator consuming a significant part of the energy available to actuate the ring.

Les buts de la présente invention sont, pris séparément ou en combinaison, de simplifier le rouage de sonnerie, de permettre la suppression du contre-ressort ou de l'amortisseur de manière à permettre une meilleure transmission d'énergie du marteau au timbre et d'améliorer la précision de la sonnerie, c'est-à-dire de permettre de frapper le timbre avec le marteau à un moment prédéterminé avec une grande précision.The objects of the present invention are, taken separately or in combination, to simplify the ring gear, to allow the suppression of the spring-spring or the damper so as to allow a better energy transmission of the hammer to the stamp and d improve the accuracy of the ring, that is to say to allow to hit the stamp with the hammer at a predetermined time with great precision.

La présente invention a pour objet un mécanisme de sonnerie pour une pièce d'horlogerie telle qu'une montre bracelet, une montre de poche, une montre pendentif, un réveil ou une pendulette comprenant:

  • un timbre,
  • un marteau agencé pour qu'une partie de celui-ci vienne frapper le timbre en mode de sonnerie du mécanisme de sonnerie,
  • un ressort d'entraînement du marteau agissant directement ou indirectement sur le marteau pour le projeter contre le timbre dans un mode de sonnerie du mécanisme de sonnerie pour produire un son; mécanisme de sonnerie caractérisé par le fait qu'en mode de repos du mécanisme de sonnerie, le marteau est dans une position pour laquelle sa partie destinée à frapper le timbre est éloignée du timbre, et que le ressort d'entraînement du marteau est maintenu en position armée.
The present invention relates to a striking mechanism for a timepiece such as a wristwatch, a pocket watch, a pendant watch, an alarm clock or a clock comprising:
  • a stamp,
  • a hammer arranged so that a part of it comes to strike the bell in striking mode of the striking mechanism,
  • a hammer drive spring acting directly or indirectly on the hammer to project it against the timbre in a bell mode of the striking mechanism to produce a sound; striking mechanism characterized by the fact that in the rest mode of striking mechanism, the hammer is in a position for which its portion intended to hit the stamp is removed from the stamp, and that the hammer drive spring is held in the armed position.

Le dessin annexé illustre schématiquement et à titre d'exemple deux formes d'exécution du mécanisme de sonnerie selon l'invention.

  • La figure 1 illustre une première forme d'exécution du mécanisme de sonnerie à l'état de repos.
  • La figure 2 illustre le mécanisme de sonnerie de la figure 1 au moment du déclenchement de la sonnerie.
  • La figure 3 illustre le mécanisme de sonnerie de la figure 1 pendant la chute du marteau.
  • La figure 4 illustre le mécanisme de sonnerie de la figure 1 au moment du déclenchement du dispositif d'armage juste avant l'impact du marteau sur le timbre.
  • La figure 5 illustre le mécanisme de sonnerie de la figure 1 pendant le rebond du marteau sur le timbre.
  • La figure 6 illustre le mécanisme de sonnerie de la figure 1 pendant le réarmage du marteau et de son ressort d'entraînement.
  • La figure 7 illustre une seconde forme d'exécution du mécanisme de sonnerie à l'état de repos.
  • La figure 8 illustre le mécanisme de sonnerie de la figure 7 au moment du déclenchement de la sonnerie.
  • La figure 9 illustre le mécanisme de sonnerie de la figure 7 pendant la chute du marteau.
  • La figure 10 illustre le mécanisme de sonnerie de la figure 7 juste avant l'impact du marteau sur le timbre.
  • La figure 11 illustre le mécanisme de sonnerie de la figure 7 au moment de l'impact du marteau sur le timbre.
  • La figure 12 illustre le mécanisme de sonnerie de la figure 7 pendant le réarmage du marteau et de son ressort d'entraînement.
The accompanying drawing illustrates schematically and by way of example two embodiments of the striking mechanism according to the invention.
  • The figure 1 illustrates a first embodiment of the ringing mechanism in the idle state.
  • The figure 2 illustrates the striking mechanism of the figure 1 when the bell is sounding.
  • The figure 3 illustrates the striking mechanism of the figure 1 during the fall of the hammer.
  • The figure 4 illustrates the striking mechanism of the figure 1 when the arming device is triggered just before the impact of the hammer on the stamp.
  • The figure 5 illustrates the striking mechanism of the figure 1 during the rebound of the hammer on the stamp.
  • The figure 6 illustrates the striking mechanism of the figure 1 during the rearming of the hammer and its drive spring.
  • The figure 7 illustrates a second embodiment of the ringing mechanism in the idle state.
  • The figure 8 illustrates the striking mechanism of the figure 7 when the bell is sounding.
  • The figure 9 illustrates the striking mechanism of the figure 7 during the fall of the hammer.
  • The figure 10 illustrates the striking mechanism of the figure 7 just before the impact of the hammer on the stamp.
  • The figure 11 illustrates the striking mechanism of the figure 7 at the moment of impact of the hammer on the stamp.
  • The figure 12 illustrates the striking mechanism of the figure 7 during the rearming of the hammer and its drive spring.

La première forme d'exécution illustrée schématiquement et à titre d'exemple non limitatif aux figures 1 à 6 du mécanisme de sonnerie d'un mouvement d'une pièce d'horlogerie, montre bracelet, montre pendentif ou de poche, pendulette, comporte :

  • Un timbre 1 fixé de manière traditionnelle sur une partie fixe de la pièce d'horlogerie, notamment la platine 2 du mouvement.
  • Un marteau 3 pivoté sur une partie fixe, notamment la platine 2 du mouvement autour d'un axe 4 perpendiculaire au plan de ladite platine 2. Ce marteau est disposé par rapport au timbre 1 de telle façon qu'il puisse se déplacer d'une position de sonnerie pour laquelle il est en contact avec ce timbre par son bec de frappe 5 jusque dans une position de repos pour laquelle ledit bec de frappe 5 est le plus éloigné possible dudit timbre 1.
  • Un ressort d'entraînement 6 du marteau 3 est fixé par une de ses extrémités sur une partie fixe, ici la platine 2, du mouvement. L'extrémité libre 6.1 de ce ressort d'entraînement 6 agit sur une dent 7 du marteau 3 pour faire pivoter ledit marteau 3 dans le sens de la flèche F de manière à faire frapper le bec de frappe 5 du marteau 3 contre le timbre 1.
The first embodiment illustrated schematically and as a non-limiting example to Figures 1 to 6 ring mechanism of a movement of a timepiece, wristwatch, pendant or pocket watch, clock, includes:
  • A stamp 1 fixed in a traditional manner on a fixed part of the timepiece, in particular the plate 2 of the movement.
  • A hammer 3 pivoted on a fixed part, in particular the plate 2 of the movement about an axis 4 perpendicular to the plane of said plate 2. This hammer is arranged relative to the stamp 1 so that it can move a ring position for which it is in contact with this stamp by its spout 5 to a rest position for which said spout 5 is as far as possible from said stamp 1.
  • A driving spring 6 of the hammer 3 is fixed at one of its ends to a fixed part, here the plate 2, of the movement. The free end 6.1 of this drive spring 6 acts on a tooth 7 of the hammer 3 to pivot said hammer 3 in the direction of the arrow F so as to hit the hammer 5 of the hammer 3 against the stamp 1 .

Dans l'exemple illustré le ressort d'entraînement 6 est solidaire d'un talon 6.2 pivoté sur la platine 2 du mouvement autour d'un axe ou goupille 6.3. Un excentrique E pivoté dans la platine 2 sert de butée au talon 6.2 du ressort 6. La position angulaire de l'excentrique E permet d'ajuster la position angulaire du talon 6.3 et donc la force appliquée par le ressort 6 sur le marteau 3.In the illustrated example the drive spring 6 is secured to a heel 6.2 pivoted on the plate 2 of movement about an axis or pin 6.3. An eccentric E pivoted in the plate 2 serves as a stop for the heel 6.2 of the spring 6. The angular position of the eccentric E makes it possible to adjust the angular position of the heel 6.3 and thus the force applied by the spring 6 on the hammer 3.

Dans une variante le talon 6.3 du ressort d'entraînement 6 pourrait être fixé sans possibilité de réglage sur la platine 2 ou fixé sur la platine de façon réglable par d'autres moyens.In a variant the heel 6.3 of the drive spring 6 could be fixed without the possibility of adjustment on the plate 2 or fixed on the plate in an adjustable manner by other means.

Ce mécanisme de sonnerie comporte encore un dispositif d'armage du ressort d'entraînement 6 du marteau 3 comportant un mobile d'armage constitué dans cette première forme d'exécution du mécanisme par une roue d'armage 8 comportant une denture formée de dents 8.1 à sa périphérie. Cette roue d'armage 8 est pivotée sur la platine 2 du mouvement et est solidaire d'un pignon 9 engrenant avec une roue dentée 10 solidaire de la cage d'un barillet comportant un ressort-moteur (non illustré).This striking mechanism also comprises a device for winding the driving spring 6 of the hammer 3 comprising an arming wheel consisting of in this first embodiment of the mechanism by a winding wheel 8 having a set of teeth 8.1 at its periphery. This winding wheel 8 is pivoted on the plate 2 of the movement and is integral with a pinion 9 meshing with a toothed wheel 10 integral with the cage of a barrel comprising a mainspring (not shown).

Ce barillet peut être le barillet moteur du mouvement d'horlogerie ou le barillet dédié au mécanisme de sonnerie et la liaison cinématique reliant ce barillet au mobile d'armage 8 peut être de toute nature autre que celle décrite et illustrée ici.This barrel may be the engine cylinder of the watch movement or the barrel dedicated to the striking mechanism and the kinematic link connecting this barrel to the mobile device 8 may be of any nature other than that described and illustrated here.

Ce mécanisme de sonnerie comporte encore un dispositif de blocage du dispositif d'armage constitué dans cet exemple par une bascule 11 pivotée en 11.1 sur la platine et dont une première extrémité 11.2 coopère avec la denture 8.1 de la roue d'armage 8 tandis que la seconde extrémité 11.3 est placée dans une encoche 14 que comporte le moyeu du marteau 3. Cette encoche 14 est située à proximité immédiate de la dent 7 du marteau 3. Le flan de cette dent 7 opposé à celui entrant en contact avec le ressort d'entraînement 6 forme un des côtés de ladite encoche 14.This striking mechanism further comprises a locking device of the arming device constituted in this example by a rocker 11 pivoted at 11.1 on the plate and a first end 11.2 cooperates with the toothing 8.1 of the winding wheel 8 while the second end 11.3 is placed in a notch 14 that includes the hub of the hammer 3. This notch 14 is located in the immediate vicinity of the tooth 7 of the hammer 3. The blank of this tooth 7 opposite that coming into contact with the spring of drive 6 forms one side of said notch 14.

En position de repos du mécanisme illustrée à la figure 1 la paroi de l'encoche 14 du moyeu du marteau 3 opposée à la dent 7 dudit marteau est en contact avec la seconde extrémité 11.3 de la bascule de blocage 11 tendent à déplacer cette bascule dans le sens horaire et à introduire la première extrémité 11.2 de cette bascule de blocage 11 dans la denture 8.1 de la roue d'armage 8 interdisant toute rotation de celle-ci dans le sens anti-horaire, soit dans le sens d'armage du ressort d'entraînement 6 du marteau comme on le verra plus loin. Ce dispositif de blocage du dispositif d'armage est donc commandé par le marteau.In the rest position of the mechanism illustrated in figure 1 the wall of the notch 14 of the hub of the hammer 3 opposite the tooth 7 of said hammer is in contact with the second end 11.3 of the latch 11 tend to move this latch clockwise and to introduce the first end 11.2 of this latching lever 11 in the toothing 8.1 of the winding wheel 8 preventing any rotation thereof in the counterclockwise direction, that is in the winding direction of the drive spring 6 of the hammer as will be seen more far. This locking device of the arming device is controlled by the hammer.

Le dispositif d'armage du ressort d'entraînement 6 du marteau 3 comporte encore un levier d'armage 12 pivoté sur le marteau en 12.1 de manière non coaxiale à l'axe de pivotement 4 du marteau 3. Ce levier d'armage 12 comporte deux goupilles 12.2, 12.3 servant de butées à un guide flexible 13 fixé par une de ses extrémités sur la platine 2. Ce guide flexible est positionné de manière à intersecter l'axe de pivotement 12,2 du levier d'armage 12 sur le marteau et à s'étendre entre les deux goupilles 12.2, 12.3 du levier 12. La direction du guide flexible est telle qu'elle passe par le sommet des dents 8.1 de la roue d'armage 8 et par l'axe de pivotement 12.1 du levier d'armage 12. Ainsi quelle que soit la position du marteau 3 l'extrémité libre du levier d'armage 12 est, sauf à déplacer le guide flexible 13, toujours appliquée contre la denture 8.1 de la roue d'armage 8 de manière à ce qu'une desdites dents 8.1 soit en contact avec un crochet 12.5 que comporte l'extrémité libre du levier d'armage 12.The arming device of the driving spring 6 of the hammer 3 further comprises a winding lever 12 pivoted on the hammer 12.1 non-coaxially with the pivot axis 4 of the hammer 3. This arming lever 12 comprises two pins 12.2, 12.3 serving as stops to a flexible guide 13 fixed by one of its ends on the plate 2. This flexible guide is positioned to intersect the pivot axis 12,2 of the arming lever 12 on the hammer and to extend between the two pins 12.2, 12.3 of the lever 12. direction of the flexible guide is such that it passes through the apex of the teeth 8.1 of the winding wheel 8 and the pivot axis 12.1 of the arming lever 12. Thus whatever the position of the hammer 3 the end free of the arming lever 12 is, except to move the flexible guide 13, always applied against the teeth 8.1 of the winding wheel 8 so that one of said teeth 8.1 is in contact with a hook 12.5 that includes l free end of the arming lever 12.

En effet le guide flexible 13 formé d'une lame flexible est positionné au repos parallèlement à la platine 2 et dans un plan perpendiculaire à la platine 2 passant par l'axe de pivotement 12.1 du levier d'armage 1 et l'extrémité d'une dent 8.1 de la roue d'armage 8.Indeed the flexible guide 13 formed of a flexible blade is positioned at rest parallel to the plate 2 and in a plane perpendicular to the plate 2 passing through the pivot axis 12.1 of the arming lever 1 and the end of a tooth 8.1 of the winding wheel 8.

En position de repos illustrée à la figure 1 le crochet 12.5 du levier d'armage 12 bute contre une dent 8.1 de la roue d'indexage 8 et le marteau 3 est ainsi retenu en position de repos éloignée du timbre 1 et son ressort d'entraînement 6 est armé. L'élasticité propre du guide flexible 13 tend à déplacer le crochet 12.5 en direction de la roue d'armage 8.In rest position illustrated at figure 1 the hook 12.5 of the arming lever 12 abuts against a tooth 8.1 of the indexing wheel 8 and the hammer 3 is thus retained in the rest position remote from the stamp 1 and its drive spring 6 is armed. The self-elasticity of the flexible guide 13 tends to move the hook 12.5 towards the winding wheel 8.

Ainsi dans ce mécanisme de sonnerie, contrairement à ce qui se fait habituellement la position de repos correspond à une position du marteau 3 pour laquelle son bec de frappe 5 est éloigné du timbre 1 et pour laquelle son ressort d'entraînement est armé. Il n'est donc plus besoin de prévoir un contre-ressort pour éviter que le marteau ne vienne par inadvertance en contact avec le timbre en position de repos du mécanisme de sonnerie, soit par exemple des rebondissements du marteau, soit des tintements sous l'effet de chocs.Thus in this striking mechanism, contrary to what is usually done the rest position corresponds to a position of the hammer 3 for which its spout 5 is removed from the stamp 1 and for which its drive spring is armed. It is therefore no longer necessary to provide a counter-spring to prevent the hammer from inadvertently coming into contact with the timbre in the rest position of the striking mechanism, for example the bouncing of the hammer or ringing under the hammer. shock effect.

Pour faire fonctionner le mécanisme de sonnerie décrit il faut disposer d'un mécanisme de déclenchement provoquant un déplacement ou plusieurs déplacements successifs de l'extrémité libre du guide flexible 13 dans le sens horaire. Un tel mécanisme ne sera pas décrit ici mais il est schématisé par un râteau 15 pouvant pivoter et provoquer des déplacements de l'extrémité libre du guide flexible 13.To operate the striking mechanism described it is necessary to have a trigger mechanism causing a displacement or several successive displacements of the free end of the flexible guide 13 in the clockwise direction. Such a mechanism will not be described here but is schematized by a rake 15 being pivotable and causing displacements of the free end of the flexible guide 13.

Le fonctionnement du mécanisme de sonnerie décrit en référence aux figures 1 à 6 est le suivant :

  • Le mécanisme étant en position de repos illustré à la figure 1 pour laquelle le marteau 3 est éloigné du timbre, le ressort d'entraînement 6 du marteau 3 est armé et la roue d'armage 8 bloquée, on déplace l'extrémité libre du guide flexible 13 à l'aide d'un élément de dégagement, dans l'exemple le râteau 15, pour l'éloigner de la roue d'armage 8 jusque dans la position illustrée par la figure 2. Ce faisant le crochet 12.5 du levier d'armage 12 échappe à la denture 8.1 de la roue d'armage. Le marteau 3 est ainsi libéré et commence sa chute dans le sens de la flèche F vers le timbre 1 sous l'action de son ressort d'entraînement 6. Pendant sa chute, figure 3, la dent 7 du moyeu du marteau 3 déplace la bascule de blocage 11 dans le sens anti-horaire provoquant la libération de la roue d'armage 8, une dent 8.1 échappant à l'extrémité 11.2 de la bascule de blocage 11 (figure 4) juste avant l'impact du marteau 3 sur le timbre. Le marteau 3 possède en ce point-là déjà sa vitesse maximale. L'inertie du rouage agit comme temporisateur garantissant que le marteau 3 puisse continuer librement son chemin jusqu'à l'impact avec le timbre sans être retenu par la roue d'armage 8 qui a été libérée précédemment.
  • Le marteau 3 termine sa chute et vient heurter le timbre 1 avec son bec de frappe 5 (figure 5). Pendant ce temps la roue d'armage s'est mise en rotation entraînée par le barillet, la roue dentée 10 et le pignon 9. Toujours pendant ce temps le guide flexible 13 ayant été libéré du râteau 15 le crochet 12.5 du levier d'armage 12 coopère à nouveau avec la denture 8.1 et est tiré par la roue d'armage 8 en direction de l'extrémité libre du guide flexible 13 provoquant le retour du marteau 3 en arrière et l'armage de son ressort d'entraînement 6 (figure 6) jusqu'au moment où la bascule de blocage 11 est déplacée dans le sens horaire par le flan de l'encoche 14 opposé à la dent 7 de sorte que la première extrémité 11.2 de cette bascule se place sur la trajectoire d'une dent 8.1 de la roue d'armage 8 et bloque celle-ci.
The operation of the striking mechanism described with reference to Figures 1 to 6 is the next :
  • The mechanism being in the rest position illustrated in FIG. figure 1 for which the hammer 3 is removed from the stamp, the driving spring 6 of the hammer 3 is armed and the winding wheel 8 blocked, the free end of the flexible guide 13 is moved by means of a release element , in the example the rake 15, to move away from the winding wheel 8 to the position illustrated by the figure 2 . In doing so the hook 12.5 of the arming lever 12 escapes the teeth 8.1 of the winding wheel. The hammer 3 is thus released and begins its fall in the direction of the arrow F to the stamp 1 under the action of its drive spring 6. During its fall, figure 3 , the tooth 7 of the hub of the hammer 3 moves the locking rocker 11 in the counterclockwise direction causing the release of the winding wheel 8, a tooth 8.1 escaping the end 11.2 of the blocking lever 11 ( figure 4 ) just before the impact of the hammer 3 on the stamp. The hammer 3 has at this point already its maximum speed. The inertia of the cogwheel acts as a timer ensuring that the hammer 3 can continue freely its way until impact with the stamp without being retained by the armoring wheel 8 that has been released previously.
  • The hammer 3 ends its fall and hits the stamp 1 with its spout 5 ( figure 5 ). During this time the winding wheel is rotated driven by the barrel, the gearwheel 10 and the pinion 9. Still during this time the flexible guide 13 has been released from the rake 15 the hook 12.5 of the winding lever 12 cooperates again with the toothing 8.1 and is pulled by the winding wheel 8 towards the free end of the flexible guide 13 causing the return of the hammer 3 back and the arming of its drive spring 6 ( figure 6 ) until the moment blocking rocker 11 is moved clockwise by the blank of the notch 14 opposite the tooth 7 so that the first end 11.2 of this rocker is placed on the path of a tooth 8.1 of the winding wheel 8 and blocks it.

Le mécanisme est ainsi à nouveau en position de repos (figure 1) pour laquelle le marteau 3 est éloigné du timbre et le ressort d'entraînement 6 de marteau 3 est armé. Le râteau 15 peut, soit être actionné à nouveau d'un pas par le dispositif de déclenchement du mécanisme de sonnerie pour sonner un coup supplémentaire, soit être rétrogradé en position de repos.The mechanism is thus again in the rest position ( figure 1 ) for which the hammer 3 is removed from the stamp and the hammer drive spring 6 is armed. The rake 15 may either be actuated again by one step by the triggering device of the striking mechanism to ring a further blow, or be downgraded to the rest position.

Ce mécanisme est simple, il nécessite peu de pièce, le rouage de sonnerie est réduit et ne comporte pas de régulateur de vitesse. Ce mécanisme ne comporte pas non plus de contre-ressort ou d'amortisseur pour le marteau 3.This mechanism is simple, it requires little room, the ring gear is reduced and does not include a cruise control. This mechanism does not include a counter-spring or damper for the hammer 3.

Lors du déclenchement du mécanisme de sonnerie, la sonnerie est immédiate la chute du marteau 3 étant pratiquement instantanée depuis sa position préarmée. Ainsi la précision du moment auquel la sonnerie doit retentir est grandement améliorée. La puissance de la sonnerie est également améliorée du fait qu'il n'y a plus de perte d'énergie due au contre-ressort de marteau.When triggering the striking mechanism, the ringing is immediate fall of the hammer 3 being practically instant from its pre-armed position. Thus the accuracy of the moment when the ringtone should sound is greatly improved. The ringing power is also improved because there is no more energy loss due to the hammer counter-spring.

Comme on le voit de la description ci-dessus et des figures 1 à 6 du dessin, le dispositif de blocage formé par la bascule de blocage 11 permet, lorsque le mécanisme de sonnerie est à l'état de repos, de maintenir le ressort d'entraînement 6 en position armée et de maintenir le marteau 3 dans une position pour laquelle sa partie 5 destinée à frapper le timbre 1 est éloignée de ce dernier.As can be seen from the above description and Figures 1 to 6 In the drawing, the blocking device formed by the blocking lever 11 makes it possible, when the striking mechanism is in the idle state, to hold the driving spring 6 in the armed position and to hold the hammer 3 in a position for which part 5 intended to hit the stamp 1 is away from the latter.

De nombreuses variantes de cette première forme d'exécution du mécanisme de sonnerie peuvent être envisagées car la roue d'armage 8 peut être réalisée sous une autre forme, par exemple un mobile d'armage présentant la forme d'un secteur denté relié à la cage du barillet par un embrayage unidirectionnel. Sa liaison au barillet peut également être réalisée différemment. Le dispositif de blocage du dispositif d'armage peut également être réalisé autrement qu'avec une bascule de blocage.Many variants of this first embodiment of the striking mechanism can be envisaged because the winding wheel 8 can be made in another form, for example a mobile armature having the shape of a toothed sector connected to the barrel cage by a unidirectional clutch. Its connection to the barrel can also be performed differently. The device locking of the arming device can also be achieved otherwise than with a blocking lever.

L'élément de dégagement formé par le râteau 15 dans cette forme d'exécution peut également être réalisé différemment, il est toujours par contre commandé par le mouvement d'horlogerie ou par un organe de déclenchement manuel tel qu'un poussoir.The release element formed by the rake 15 in this embodiment can also be made differently, it is still controlled against by the watch movement or by a manual triggering member such as a pusher.

Les caractéristiques principales et essentielles du mécanisme de sonnerie selon l'invention sont qu'en position ou mode de repos du mécanisme de sonnerie :

  • la partie du marteau destinée à frapper le timbre est maintenue dans une position éloignée du timbre,
  • le ressort d'entraînement du marteau est maintenu en position armée.
The main and essential characteristics of the striking mechanism according to the invention are that in position or rest mode of the striking mechanism:
  • the part of the hammer intended to strike the stamp is kept in a position remote from the stamp,
  • the hammer drive spring is held in the armed position.

Grâce à ces caractéristiques le mécanisme de sonnerie n'a pas besoin de comporter de contre-ressort ou d'amortisseur pour éviter qu'au repos le marteau ne vienne buter contre le timbre sous l'action de chocs que peut subir la pièce d'horlogerie. Il ne comporte pas non plus de régulateur de vitesse.Thanks to these characteristics the striking mechanism does not need to have a counter-spring or damper to prevent the hammer from coming to rest against the stamp under the action of shocks that may be experienced by the piece of equipment. watchmaking. It also does not include cruise control.

De ce fait le mécanisme de sonnerie est plus simple et surtout permet de transmettre un maximum d'énergie au timbre lors de la frappe du marteau sur ce timbre, la perte d'énergie due au contre-ressort ou amortisseur étant supprimée.As a result, the striking mechanism is simpler and above all makes it possible to transmit a maximum of energy to the tone when the hammer is struck on this stamp, the energy loss due to the counter-spring or damper being eliminated.

De plus, la sonnerie se fait immédiatement après son déclenchement, le temps nécessaires à l'armage du ressort d'entraînement du marteau étant supprimé.In addition, the ringing is done immediately after its release, the time required to arm the hammer drive spring being removed.

On retrouve d'ailleurs ces caractéristiques principales de l'invention et les avantages qui en découlent dans la seconde forme d'exécution du mécanisme de sonnerie illustrée aux figures 7 à 12 et décrite dans ce qui suit.We also find these main features of the invention and the advantages thereof in the second embodiment of the striking mechanism illustrated in FIGS. Figures 7 to 12 and described in the following.

Cette seconde forme d'exécution du mécanisme de sonnerie comporte comme la première forme d'exécution de ce mécanisme décrite en relation avec les figures 1 à 6:

  • Un timbre 1 fixé de manière traditionnelle sur une partie fixe de la pièce d'horlogerie, notamment la platine 2 du mouvement.
  • Un marteau 3 pivoté sur une partie fixe, notamment la platine 2 du mouvement autour d'un axe 4 perpendiculaire au plan de ladite platine 2. Ce marteau est disposé par rapport au timbre 1 de telle façon qu'il puisse se déplacer d'une position de sonnerie pour laquelle il est en contact avec ce timbre par son bec de frappe 5 jusque dans une position de repos pour laquelle ledit bec de frappe 5 est le plus éloigné possible dudit timbre 1.
  • Un ressort d'entraînement 6 du marteau 3 est fixé par une de ses extrémités sur une partie fixe, ici la platine 2, du mouvement. L'extrémité libre 6.1 de ce ressort d'entraînement 6 agit sur une dent 7 du marteau 3 pour faire pivoter ledit marteau 3 dans le sens de la flèche F de manière à faire frapper le bec de frappe 5 du marteau 3 contre le timbre 1.
This second embodiment of the striking mechanism comprises as the first embodiment of this mechanism described in connection with the Figures 1 to 6 :
  • A stamp 1 fixed in a traditional manner on a fixed part of the timepiece, in particular the plate 2 of the movement.
  • A hammer 3 pivoted on a fixed part, in particular the plate 2 of the movement about an axis 4 perpendicular to the plane of said plate 2. This hammer is arranged relative to the stamp 1 so that it can move a ring position for which it is in contact with this stamp by its spout 5 to a rest position for which said spout 5 is as far as possible from said stamp 1.
  • A driving spring 6 of the hammer 3 is fixed at one of its ends to a fixed part, here the plate 2, of the movement. The free end 6.1 of this drive spring 6 acts on a tooth 7 of the hammer 3 to pivot said hammer 3 in the direction of the arrow F so as to hit the hammer 5 of the hammer 3 against the stamp 1 .

Cette seconde forme d'exécution du mécanisme de sonnerie comporte encore un dispositif d'armage du ressort d'entraînement 6 du marteau 3 comportant un mobile d'armage constitué par une roue d'armage 8 pivotée sur la platine 2 et comportant une denture formée de dents 8.1. Cette roue d'armage 8 est solidaire d'un pignon 9 engrenant avec une roue dentée 10 solidaire ou reliée cinématiquement à la cage d'un barillet et donc au ressort-moteur du mouvement (non illustré).This second embodiment of the striking mechanism further comprises a device for winding the driving spring 6 of the hammer 3 comprising a winding arm consisting of a winding wheel 8 pivoted on the plate 2 and having a toothing formed of teeth 8.1. This winding wheel 8 is integral with a pinion 9 meshing with a toothed wheel 10 secured to or kinematically connected to the cage of a barrel and thus to the mainspring of the movement (not shown).

Ce barillet peut être le barillet moteur du mouvement d'horlogerie ou un barillet dédié au mécanisme de sonnerie et la liaison cinématique reliant ce barillet au mobile d'armage 8 peut être de toute nature autre que celle décrite ici.This barrel may be the engine cylinder of the watch movement or a barrel dedicated to the striking mechanism and the kinematic connection connecting the barrel to the mobile device 8 may be of any nature other than that described here.

Ce dispositif d'armage comporte encore un organe d'armage 20 comportant un talon 20.1 fixé par une vis 20.2 et une goupille 20.3 sur le marteau 3. Cet organe d'armage 20 comporte encore une lame ressort 20.4 dont l'extrémité présente la forme d'un crochet 20.5. L'élasticité propre de cette lame ressort tend à appliquer le crochet 20.5 contre une dent 8.1 de la roue d'armage 8.This arming device further comprises a winding member 20 comprising a heel 20.1 fixed by a screw 20.2 and a pin 20.3 on the hammer 3. This armature member 20 further comprises a spring blade 20.4 whose end has the shape a hook 20.5. The elasticity of this spring blade tends to apply the hook 20.5 against a tooth 8.1 of the winding wheel 8.

Ce mécanisme de sonnerie comporte encore un dispositif de blocage du dispositif d'armage comportant une détente 21 pivotée en 21.1 sur la platine 2 et dont l'extrémité 21.2 est engagée dans une entaille 22 que comporte le moyeu du marteau 3. Cette détente comporte une palette 21.4 destinée à coopérer avec les dents 8.1 de la roue d'armage 8. Cette palette 21.4 s'étend perpendiculairement hors du plan de la détente 21.This striking mechanism further comprises a locking device of the armoring device comprising a trigger 21 pivoted at 21.1 on the plate 2 and whose end 21.2 is engaged in a notch 22 that includes the hub of the hammer 3. This trigger comprises a pallet 21.4 intended to cooperate with the teeth 8.1 of the winding wheel 8. This pallet 21.4 extends perpendicularly out of the plane of the trigger 21.

Dans cette seconde forme d'exécution le mécanisme de déclenchement du mécanisme de sonnerie comporte une roue de déclenchement 23 présentant une denture en dent de scie. Cette roue de déclenchement est entraînée par le mouvement d'horlogerie ou par un mécanisme de sonnerie habituel d'un nombre de pas déterminés lorsque la sonnerie doit être activée.In this second embodiment the triggering mechanism of the striking mechanism comprises a trigger wheel 23 having a sawtooth toothing. This trigger wheel is driven by the clockwork movement or by a usual ringing mechanism of a specified number of steps when the ring is to be activated.

Ce mécanisme de déclenchement comporte encore une bascule de déclenchement 24, pivotée en 24.1 sur la platine 2, qui comporte un premier bras 24.2 dont l'extrémité 24.3 coopère avec la denture en dent de loup de la roue de déclenchement 23 et un second bras 24.4 dont l'extrémité coopère avec une extension du crochet 20.5 s'étendant en dessous de la roue d'armage 8. Enfin cette bascule 24 est soumise à l'action d'un ressort de rappel 25 tendant à maintenir le premier bras 24.2 de cette bascule 24 contre une butée 26, en position de repos pour laquelle l'extrémité 24.3 du premier bras 24.2 de la bascule 24 est situé sur le chemin des dents de la roue de déclenchement 23 et pour laquelle l'extrémité du second bras 24.4 de la bascule 24 n'est pas en contact avec l'extension du crochet 20.5.This triggering mechanism also comprises a trigger rocker 24, pivoted at 24.1 on the plate 2, which comprises a first arm 24.2 whose end 24.3 cooperates with the toothing of the trigger wheel 23 and a second arm 24.4 whose end cooperates with an extension of the hook 20.5 extending below the winding wheel 8. Finally this rocker 24 is subjected to the action of a return spring 25 tending to maintain the first arm 24.2 of this flip-flop 24 against a stop 26, in the rest position for which the end 24.3 of the first arm 24.2 of the rocker 24 is located on the path of the teeth of the trigger wheel 23 and for which the end of the second arm 24.4 of the flip-flop 24 is not in contact with the hook extension 20.5.

Dans la position ou état de repos du mécanisme de sonnerie illustré à la figure 7 le marteau 3 est en position reculée, éloignée du timbre, son ressort d'entraînement 6 est armé, la roue d'armage 8 est bloquée par la détente 21 appliquée contre la denture 8.1 de la roue d'armage 8 par le marteau 3 qui lui-même est maintenu dans cette position par le crochet 20.5 de l'organe d'armage 20.In the position or state of rest of the striking mechanism illustrated in FIG. figure 7 the hammer 3 is in the retracted position, away from the stamp, its driving spring 6 is armed, the winding wheel 8 is blocked by the trigger 21 applied against the toothing 8.1 of the winding wheel 8 by the hammer 3 which itself is held in this position by the hook 20.5 of the armoring member 20.

A partir de cette position de repos de cette seconde forme d'exécution du mécanisme de sonnerie le fonctionnement de celui-ci est le suivant:

  • La roue de déclenchement 23 est entraînée par une prise de force du mouvement d'horlogerie ou par un mécanisme de déclenchement piloté par le mouvement d'horlogerie d'un ou plusieurs pas. A chaque pas de la roue de déclenchement 23 une dent déplace le premier bras 24.3 de la bascule de déclenchement 24 dans le sens horaire contre l'action de son ressort de rappel 25. Ce faisant, l'extrémité du second bras 24.4 de la bascule de déclenchement 24 pousse l'extension du crochet 20.5 de l'organe d'armage 20 (figure 8) de manière à ce que ce crochet 20.5 échappe à la dent 8.1 de la roue d'armage 8. Le marteau 3 commence sa chute en direction du timbre 1 (figure 9). L'extrémité 21.2 de la détente 21 est déplacée dans le sens anti-horaire par le moyeu du marteau 3 ce qui libère la roue d'armage, la palette 21.4 échappant à la dent 8.1, pendant que le marteau 3 est entraîné par son ressort d'entraînement 6 en direction du timbre (figure 10). Le marteau 3 frappe le timbre et la bascule de déclenchement échappe à la denture de la roue de déclenchement 23 et revient en appui contre sa butée 26 sous l'action de son ressort de rappel 25 (figure 11). Le marteau 3 rebondit dans le sens anti-horaire, ce mouvement s'éloignant du timbre est soutenu par l'action de la roue d'armage 8 coopérant avec l'organe d'armage 20 du marteau 3 : la roue d'armage 8 tourne en sens horaire et une de ses dents 8.1 rattrape le crochet 20.5 de l'organe d'armage 20 et tire le marteau dans le sens anti-horaire tout en armant son ressort d'entraînement 6 (figure 12). Un nouveau contact du bec de frappe 5 du marteau 3 avec le timbre 1 comme ceci risque de se produire dans les systèmes de sonnerie courants avec contre-ressort, est ainsi exclu jusqu'au prochain dégagement du système. La palette 21.4 de la détente 20 est repositionnée par l'entaille 22 du moyeu du marteau 3 sur la trajectoire des dents 8.1 de la roue d'armage. Une fois qu'une dent 8.1 de la roue d'armage 8 vient se poser sur la palette 21.4 de la détente 21, le mécanisme de sonnerie est à nouveau en position de repos, le marteau 3 étant éloigné du timbre et son ressort d'entraînement étant à nouveau armé (figure 7).
From this rest position of this second embodiment of the striking mechanism the operation thereof is as follows:
  • The triggering wheel 23 is driven by a PTO of the clockwork movement or by a triggering mechanism controlled by the clockwork movement of one or more steps. At each step of the trigger wheel 23 a tooth moves the first arm 24.3 of the trigger rocker 24 in the clockwise direction against the action of its return spring 25. In doing so, the end of the second arm 24.4 of the rocker trigger 24 pushes the extension of the hook 20.5 of the armoring member 20 ( figure 8 ) so that this hook 20.5 escapes the tooth 8.1 of the winding wheel 8. The hammer 3 begins its fall towards the stamp 1 ( figure 9 ). The end 21.2 of the trigger 21 is moved anticlockwise by the hub of the hammer 3 which releases the winding wheel, the pallet 21.4 escaping the tooth 8.1, while the hammer 3 is driven by its spring 6 in the direction of the stamp ( figure 10 ). The hammer 3 strikes the timbre and the trigger rocker escapes the toothing of the trigger wheel 23 and rests against its abutment 26 under the action of its return spring 25 ( figure 11 ). The hammer 3 bounces counter-clockwise, this movement away from the timbre is supported by the action of the winding wheel 8 cooperating with the armature member 20 of the hammer 3: the winding wheel 8 rotates clockwise and one of its teeth 8.1 catches the hook 20.5 of the armature member 20 and pulls the hammer counterclockwise while arming its drive spring 6 ( figure 12 ). A new contact of the hammer 5 hammer 3 with the stamp 1 as this may occur in the current ring systems with counter-spring, is excluded until the next release of the system. The pallet 21.4 of the trigger 20 is repositioned by the notch 22 of the hub of the hammer 3 on the path of the teeth 8.1 of the winding wheel. Once a tooth 8.1 of the winding wheel 8 comes to rest on the pallet 21.4 of the trigger 21, the striking mechanism is again in the rest position, the hammer 3 being away from the stamp and its spring training being armed again ( figure 7 ).

Ce fonctionnement se répète pour chaque déclenchement de la bascule 24 dans le sens horaire.This operation is repeated for each triggering of the latch 24 in the clockwise direction.

Deux formes d'exécution du mécanisme de sonnerie ont été décrits à titre d'exemple non limitatifs, on peut concevoir d'autres variantes dans lesquelles les dispositifs d'armage, de blocage et de déclenchement seraient réalisés différemment pour autant qu'en position de repos du mécanisme de sonnerie le bec de frappe 5 du marteau 3 soit maintenu éloigné du timbre et que son ressort d'entraînement 6 soit armé.Two embodiments of the striking mechanism have been described by way of non-limiting example, other embodiments may be conceived in which the devices of arming, locking and triggering would be made differently provided that in position of rest of the striking mechanism the hammer 5 of hammer 3 is kept away from the stamp and that its drive spring 6 is armed.

Claims (13)

Mécanisme de sonnerie du mouvement d'une pièce d'horlogerie telle qu'une montre bracelet, une montre de poche, une montre pendentif, un réveil ou une pendulette de table comprenant : - un timbre (1), - un marteau (3) agencé pour qu'une partie (5) de celui-ci vienne frapper le timbre (1) en mode de sonnerie du mécanisme de sonnerie, - un ressort d'entraînement (6) du marteau (3) agissant directement ou indirectement sur le marteau (3) pour le projeter contre le timbre (1) dans un mode de sonnerie du mécanisme de sonnerie pour produire un son;
mécanisme de sonnerie caractérisé par le fait qu'en mode de repos du mécanisme de sonnerie, le marteau (3) est dans une position pour laquelle sa partie (5) destinée à frapper le timbre est éloignée du timbre (1), et que le ressort d'entraînement (6) du marteau est maintenu en position armée. A striking mechanism of a timepiece such as a wristwatch, a pocket watch, a pendant watch, an alarm clock or a table clock comprising: - a stamp (1), a hammer (3) arranged so that a portion (5) of the latter comes to strike the stamp (1) in the ringing mode of the striking mechanism, - a driving spring (6) of the hammer (3) acting directly or indirectly on the hammer (3) to project it against the stamp (1) in a ringing mode of the striking mechanism to produce a sound;
striking mechanism characterized in that in the rest mode of the striking mechanism, the hammer (3) is in a position for which its part (5) intended to strike the patch is remote from the stamp (1), and that the drive spring (6) of the hammer is held in the armed position. Mécanisme selon la revendication 1, caractérisé par le fait qu'il comporte un dispositif d'armage du ressort d'entraînement (6) du marteau (3) et un dispositif de blocage de ce dispositif d'armage commandé par le marteau (3).Mechanism according to claim 1, characterized in that it comprises a device for winding the driving spring (6) of the hammer (3) and a device for blocking this winding device controlled by the hammer (3) . Mécanisme selon la revendication 2, caractérisé par le fait que le dispositif d'armage du ressort d'entraînement (6) du marteau (3) comporte un mobile d'armage (8) comportant une denture périphérique (8.1) relié cinématiquement à un ressort-moteur.Mechanism according to claim 2, characterized in that the arming device of the driving spring (6) of the hammer (3) comprises an armature (8) having a peripheral toothing (8.1) kinematically connected to a spring -engine. Mécanisme selon la revendication 3, caractérisé par le fait que le dispositif d'armage comporte un levier d'armage (12) pivoté sur le marteau (3) coopérant avec la denture (8.1) du mobile d'armage (8).Mechanism according to claim 3, characterized in that the winding device comprises a winding lever (12) pivoted on the hammer (3) cooperating with the toothing (8.1) of the winding machine (8). Mécanisme selon la revendication 3 ou la revendication 4, caractérisé par le fait que le mobile d'armage (8) est relié au ressort-moteur d'un barillet par un pignon (9) est une roue dentée (10).Mechanism according to claim 3 or claim 4, characterized in that the armature (8) is connected to the mainspring of a cylinder by a pinion (9) is a gear (10). Mécanisme selon la revendication 4 et la revendication 5, caractérisé par le fait que le levier d'armage (12) est pivoté en (12.1) sur le marteau (3) de façon non concentrique à l'axe de pivotement dudit marteau (3) et que ce levier d'armage (12) comporte un crochet (12.5) destiné à coopérer avec la denture (8.1) du mobile d'armage (8).Mechanism according to claim 4 and claim 5, characterized in that the arming lever (12) is pivoted (12.1) on the hammer (3) non-concentrically to the pivot axis of said hammer (3) and that this arming lever (12) comprises a hook (12.5) intended to cooperate with the toothing (8.1) of the armoring wheel (8). Mécanisme selon la revendication 6, caractérisé par le fait qu'il comporte un guide flexible (13) fixé par une extrémité sur la platine (2) du mouvement de la pièce d'horlogerie s'étendant entre deux goupilles (12.2; 12.3) du levier d'armage (12) tendant à maintenir son crochet (12.5 en appui contre la denture (8.1) de la roue d'armage (8).Mechanism according to claim 6, characterized in that it comprises a flexible guide (13) fixed at one end to the plate (2) of the movement of the timepiece extending between two pins (12.2; 12.3) of the arming lever (12) tending to maintain its hook (12.5 resting against the toothing (8.1) of the winding wheel (8). Mécanisme selon la revendication 3, caractérisé par le fait que le dispositif de blocage comporte une bascule de blocage (11) pivotée sur la platine (2) du mouvement dont une première extrémité coopère avec la denture (8.1) du mobile d'armage (8) tandis que sa seconde extrémité est située dans une encoche (14) pratiquée dans la périphérie du moyeu du marteau (3).Mechanism according to claim 3, characterized in that the locking device comprises a locking rocker (11) pivoted on the plate (2) of the movement, a first end cooperates with the toothing (8.1) of the winding machine (8). ) while its second end is located in a notch (14) formed in the periphery of the hub of the hammer (3). Mécanisme selon l'une des revendications précédentes, caractérisé par le fait que l'extrémité libre du ressort d'entraînement (6) du marteau (3) prend appui sur une dent (7) que comporte le moyeu de ce marteau (3).Mechanism according to one of the preceding claims, characterized in that the free end of the drive spring (6) of the hammer (3) bears on a tooth (7) that comprises the hub of this hammer (3). Mécanisme selon l'une des revendications 1, 2, 3 ou 5 lorsque celle-ci dépend de la revendication 3 ou de la revendication 9, caractérisé par le fait que le dispositif d'armage comporte un organe d'armage (20) comportant un talon (20.1) fixé sur le marteau (3), et une lame ressort (20.4) comportant un crochet (20.5) coopérant d'une part avec les dents (8.1) de la roue d'armage (8) et d'autre part avec l'extrémité d'un second bras (24.4) d'une bascule de déclenchement (24) pivotée sur la platine (2).Mechanism according to one of claims 1, 2, 3 or 5 when the latter depends on claim 3 or claim 9, characterized in that the arming device comprises a winding member (20) comprising a heel (20.1) fixed on the hammer (3), and a spring blade (20.4) comprising a hook (20.5) cooperating on the one hand with the teeth (8.1). ) of the winding wheel (8) and secondly with the end of a second arm (24.4) of a trigger rocker (24) pivoted on the plate (2). Mécanisme selon la revendication 10, caractérisé par le fait que la bascule de déclenchement (24) comporte un premier bras (24.2) dont l'extrémité coopère avec la denture d'un mobile de déclenchement (23) pivoté sur la platine (2).Mechanism according to claim 10, characterized in that the trigger rocker (24) comprises a first arm (24.2) whose end cooperates with the toothing of a trigger movable (23) pivoted on the plate (2). Mécanisme selon la revendication 10 ou la revendication 11, caractérisé par le fait que le dispositif de blocage comporte une détente (21) dont l'extrémité est engagée dans une entaille (22) du moyeu du marteau (3), cette détente portant une palette (21.4) coopérant avec les dents (8.1) de la roue d'armage (8).Mechanism according to claim 10 or claim 11, characterized in that the locking device comprises a detent (21) whose end is engaged in a notch (22) of the hub of the hammer (3), this trigger carrying a pallet (21.4) cooperating with the teeth (8.1) of the winding wheel (8). Pièce d'horlogerie comportant un mouvement muni d'un mécanisme de sonnerie selon l'une des revendications 1 à 12.Timepiece comprising a movement provided with a striking mechanism according to one of claims 1 to 12.
EP13002121.5A 2012-05-02 2013-04-23 Striking mechanism Active EP2660662B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00607/12A CH706468B1 (en) 2012-05-02 2012-05-02 Bell mechanism and timepiece whose movement includes such a mechanism.

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EP2660662A3 EP2660662A3 (en) 2018-01-17
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CN110297420A (en) * 2018-03-21 2019-10-01 蒙特雷布勒盖股份有限公司 Clock and watch time mechanism

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EP3495895B1 (en) * 2017-12-11 2022-02-23 Omega SA Mechanism for sound display of a timepiece, in particular chronograph repetition
EP3663869B1 (en) 2018-12-06 2021-06-16 Montres Breguet S.A. Timepiece chiming mechanism with suspended hammer

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US587574A (en) 1897-08-03 Repeating watch
EP2362278A1 (en) 2010-02-26 2011-08-31 Montres Breguet SA Hammer for a stricking mechanism of a watch
EP2362279A1 (en) 2010-02-26 2011-08-31 Montres Breguet SA Chiming mechanism of a watch with active buffer counter spring

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EP2048548B8 (en) * 2007-10-10 2022-02-16 Richemont International S.A. Striking mechanism
CH702201A2 (en) * 2009-11-06 2011-05-13 Montres Breguet Sa Ringing Mechanism for use in watch, has insulating part configured to be moved by drive unit such that part of insulating part is near to sounding spring holder in rest mode or distant from sounding spring holder in ringing mode
CH702424A1 (en) * 2009-12-24 2011-06-30 Montres Breguet Sa striking mechanism of a watch.
CH704392A1 (en) * 2011-01-28 2012-07-31 Montres Breguet Sa striking mechanism of a hammer lock watch.

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US587574A (en) 1897-08-03 Repeating watch
EP2362278A1 (en) 2010-02-26 2011-08-31 Montres Breguet SA Hammer for a stricking mechanism of a watch
EP2362279A1 (en) 2010-02-26 2011-08-31 Montres Breguet SA Chiming mechanism of a watch with active buffer counter spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110297420A (en) * 2018-03-21 2019-10-01 蒙特雷布勒盖股份有限公司 Clock and watch time mechanism
CN110297420B (en) * 2018-03-21 2021-07-06 蒙特雷布勒盖股份有限公司 Time-telling mechanism for clock

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EP2660662B1 (en) 2020-08-05
CH706468B1 (en) 2016-08-15
EP2660662A3 (en) 2018-01-17
CH706468A2 (en) 2013-11-15

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