EP1857890A2 - Device for triggering a pulse - Google Patents

Device for triggering a pulse Download PDF

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Publication number
EP1857890A2
EP1857890A2 EP07000230A EP07000230A EP1857890A2 EP 1857890 A2 EP1857890 A2 EP 1857890A2 EP 07000230 A EP07000230 A EP 07000230A EP 07000230 A EP07000230 A EP 07000230A EP 1857890 A2 EP1857890 A2 EP 1857890A2
Authority
EP
European Patent Office
Prior art keywords
barrel
lever
cam
drum
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
EP07000230A
Other languages
German (de)
French (fr)
Other versions
EP1857890B1 (en
EP1857890A3 (en
Inventor
Philippe Vandel
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.)
Richemont International SA
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Richemont International SA
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Filing date
Publication date
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Publication of EP1857890A2 publication Critical patent/EP1857890A2/en
Publication of EP1857890A3 publication Critical patent/EP1857890A3/en
Application granted granted Critical
Publication of EP1857890B1 publication Critical patent/EP1857890B1/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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25393—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released by their own energy source which is released at regular time intervals

Definitions

  • the subject of the present invention is a device for triggering a pulse and more particularly a periodic device for triggering a mechanical pulse for controlling a mechanism, for example a date mechanism of a movement or module. watchmaking.
  • the present invention provides a solution to this problem by making the force or the torque necessary for the actuation of the pusher independent of the motor of the clockwork controlling the moment of the pulse.
  • the device according to the invention makes it possible to trigger a mechanical pulse at a given moment, without the force necessary to actuate the pusher delivering the mechanical pulse does not depend on the motor of the watch movement controlling the moment when the pulse is issued and is distinguished by the features listed in claim 1.
  • Figure 1 is a plan view of the device just after midnight where a pulse has just been triggered.
  • Figure 2 is a plan view of the device just before midnight where a pulse will be triggered within minutes.
  • FIG. 3 is a partial section along the line A-A of FIG.
  • Figure 4 is a partial section along line BB of Figure 2.
  • the triggering device of a pulse will be described with reference to the embodiment illustrated in the drawing by way of example which is a device for controlling from a watch movement, once by day, a pulse on a control pusher.
  • the device is illustrated mounted on a plate 1 and comprises a control wheel 2 pivoted concentrically to an axis 3 and driven at a rate of a complete revolution per day from a wheel hours 4 of a clockwork movement no illustrated.
  • This control wheel 2 comprises oblong slots 5a, 5b, 5c, three in the illustrated example, distributed preferably uniformly about the axis of rotation of this control wheel 2.
  • a spring 6 with three branches is arranged under the control wheel 2 whose hub 7 is pivoted on the axis 3 and serves in turn the pivot to the control wheel 2.
  • This hub 7 passes through the control wheel in the center and ends with an end having a plate 8.
  • a control cam 9 in the form of a snail cam is driven on the end of the hub 7 of the spring 6.
  • the spring 6 comprises three branches 10, 11, 12 each cooperating with one of the lights 5a, 5b, 5c of the control wheel 2.
  • the end of each leg 10, 11, 12 comprises a folding ensuring that these ends are are in the rest state branches of the spring 6, engaged in the corresponding lights 5a, 5b, 5c of the control wheel 2.
  • the spring 6 is also driven as is the control cam 9.
  • the branches 10, 11, 12 of the spring 6 deviate axially from the control wheel 2, so that neither the spring 6 nor the control cam 9 are driven in a counter-clockwise direction.
  • This arrangement thus constitutes a unidirectional coupling device for driving the control cam 9 in a single direction of rotation by the control wheel 2.
  • the lights 5a, 5b and 5c are on different radii so that each of them can cooperate only with a corresponding end 10, 11, 12 of the spring 6.
  • the lights 5a, 5b, 5c can be coupled to the spring 6 only in a single position per turn where the folded ends 10, 11, 12 enter said lights.
  • the control wheel 2 has the double tooth of the hour wheel 4 and is therefore rotated at the rate of a complete revolution in twenty-four hours.
  • the trigger device further comprises a lever 13 pivoted on the plate 1 at 14.
  • This lever comprises a feeler 15 cooperating with the periphery of the snail cam 9 since the lever 13 is subjected to the action of a return spring 16 tending to apply the probe 15 against the periphery of this control cam 9.
  • a finger 17 is pivotally mounted at 18 on the free end of the lever 13 and ends with an actuating face 19.
  • the other end of the finger 17 comprises a pin 20 subjected to the action of a return spring 21 fixed on the lever 13 and tending to maintain the pin 20 bearing on the edge of the lever 13.
  • the trigger device further comprises a barrel comprising a drum 22 enclosing a mainspring and a ratchet with its ratchet for arming the spring like a conventional barrel.
  • the spring of the barrel is fixed at one of its ends on the axis of the barrel 23 while the other is fixed inside the barrel drum 22.
  • the drum drum 22 is secured to an actuating cam 24 in the form of a snail cam whose periphery cooperates with the feeler 25 of a rocker 26 pivoted on the plate 1 at 27.
  • this rocker 26 cooperates with the pusher 29 of a corrector 30, this pusher moving linearly relative to the sleeve of the corrector 30 against the action of a non-illustrated return spring tending to move said pusher 29 towards the free end 28 of the rocker 26.
  • the rocker 26 is subjected to the action of a return spring 37 pressing the probe 25 against the actuating calm 24.
  • the drum 22 of the barrel comprises a stop 31 resting on the free end 32 of a pawl 33 pivoted at 34 on the plate 1 and subjected to the action of a return spring 35 tending to hold the free end 32 of pawl 33 against the peripheral wall of the drum 22 of the barrel.
  • the other end of the pawl 33 carries a pin 36 located, when the pawl 33 is in the rest position, in the path of the actuating face 19 of the finger 17 of the lever 13, when the lever 13 falls from the most eccentric of the control cam 9.
  • This barrel drum 22 rotates under the action of its own barrel spring in the counterclockwise direction, the snail cam 24 pushes the rocker 26 causing the actuation that is to say the pulse of the pusher 29.
  • Au After one turn the barrel drum 22 is again blocked by the pawl 33 and the probe 25 of the rocker 26 has fallen back on the lower part of the snail cam 24.
  • the tripping cycle can start again.
  • the time taken by the barrel 22, 23 to disarm a lap will depend on the tension of its mainspring and the resistance of the control mechanism actuated by the pusher 29.
  • the control mechanism is a module of watchmaking as a calendar, the disarming and therefore the duration of the pulse are quite fast, for example about one second or less.
  • control wheel 2 the control cam 9 and the lever 13 provided with its finger 17, constituting first means, which determine the moment of the pulse but the energy necessary to push the pusher 29 is delivered by the barrel 22, 23 and not by the motor of the clockwork driving the control wheel 2.
  • the barrel 22, 23, the actuating cam 24, the pawl 33 and the flip-flop 26 constituting second means,
  • the finger 17 and the pawl 33 (and the return springs 21 and 35) constitute a blocker of the barrel 22, 23 which is released for a short time immediately after the fall of the lever 13 so that the barrel can disarm a predetermined angle.
  • this disarming angle is 360 ° or a turn, but in variants the disarming angel of the barrel may vary. For example, if the cam 24 has two lifts and the barrel drum has two stops, the disarming angle of the barrel could be 180 °.
  • the tripping device delivers one pulse per twenty-four hours, but in variants, the interval between two pulses may be different. It suffices either to drive the control wheel 2 at another speed, or to provide a control cam 9 with two or more lifts.
  • the trigger device described may be supplemented by a safety device (not shown) so as to be able to limit the number of pulses between two windings of the barrel 22, 23. Indeed when the barrel is almost completely disarmed, it can not completely turn and stop before having completed his impulse, which is not desired.
  • an eccentric Malta cross (not shown) which is a quarter turn at each turn of the barrel under the action of a finger fixed on the barrel shaft 23.
  • This Maltese cross has one of its four full teeth which prevents the barrel from disarming more than three turns. After disarming these three turns the Maltese cross will have a position such that it will prevent, through a lever (not shown), the pawl 33 to lift and prohibit the triggering of a new impulse.
  • the pulse triggering device described can control, from a clockwork movement, an additional module located either in the same enclosure or box as the movement, or outside this box, the corrector 29, 30 enabling a traversal waterproof of this watch case.
  • this device is particularly well suited to equip a mechanical timepiece, manual winding. In this case, it is possible to remount simultaneously from a winding crown the barrel forming the motor of the watch movement and the barrel 22, 23 of the present triggering device.
  • the mechanical pulse triggering device comprises first means 2,6,9,13 and 17 driven by a clockwork movement, in the example illustrated by the hour wheel 4 of a movement timepiece not illustrated, determining the moment or moments when a pulse must be delivered and second means 22,23,24,26,30,33, triggered by said first means, delivering a mechanical pulse of predetermined force and amplitude from a motor member 22,23 independent of the watch movement.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Air Bags (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The device has a cam plate (9) with a pallet connected to a control wheel (2), and a pivoting lever (13) with a sensor (15) cooperating with a peripheral surface of the plate. A barrel (23) has a cylinder (22) carrying a snail cam (24). A finger (17), a ratchet (33) and pull-off springs (21, 35) constitute a blocker, which is activated when the sensor falls from the pallet for releasing the cylinder such that the barrel is withdrawn at a preset angle. A lever (26) has a sensor (25) cooperating with the cam, where a free end of the lever (26) activates a push button (29) of an equalizer (30).

Description

La présente invention a pour objet un dispositif de déclenchement d'une impulsion et plus particulièrement un dispositif périodique de déclenchement d'une impulsion mécanique pour la commande d'un mécanisme, par exemple d'un mécanisme de quantième d'un mouvement ou module d'horlogerie.The subject of the present invention is a device for triggering a pulse and more particularly a periodic device for triggering a mechanical pulse for controlling a mechanism, for example a date mechanism of a movement or module. watchmaking.

On est fréquemment confronté en mécanique horlogère, mais également dans d'autres domaines de la technique, à devoir délivrer à un poussoir de commande une impulsion à intervalle de temps déterminé. Le problème qui se pose est fréquemment que la force ou le couple nécessaire pour commander ce poussoir est trop élevé pour pouvoir être prélevé sur le moteur du mouvement d'horlogerie qui commande l'instant auquel l'impulsion doit être délivrée.It is frequently confronted in watchmaking mechanics, but also in other areas of the art, having to deliver to a control pushbutton a pulse at a determined time interval. The problem is frequently that the force or torque required to control the pusher is too high to be taken from the motor of the watch movement that controls the moment at which the pulse must be delivered.

La présente invention apporte une solution à ce problème en rendant la force ou le couple nécessaire à l'actionnement du poussoir indépendant du moteur du mouvement d'horlogerie commandant l'instant de l'impulsion.The present invention provides a solution to this problem by making the force or the torque necessary for the actuation of the pusher independent of the motor of the clockwork controlling the moment of the pulse.

Le dispositif selon l'invention permet de déclencher une impulsion mécanique à un instant donné, sans que la force nécessaire à l'actionnement du poussoir délivrant l'impulsion mécanique ne dépende du moteur du mouvement d'horlogerie commandant l'instant où l'impulsion est délivrée et se distingue par les caractéristiques énumérées à la revendication 1.The device according to the invention makes it possible to trigger a mechanical pulse at a given moment, without the force necessary to actuate the pusher delivering the mechanical pulse does not depend on the motor of the watch movement controlling the moment when the pulse is issued and is distinguished by the features listed in claim 1.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution particulière du dispositif de déclenchement d'une impulsion selon l'invention.The accompanying drawing illustrates schematically and by way of example a particular embodiment of the device for triggering a pulse according to the invention.

La figure 1 est une vue en plan du dispositif juste après minuit où une impulsion vient d'être déclenchée.Figure 1 is a plan view of the device just after midnight where a pulse has just been triggered.

La figure 2 est une vue en plan du dispositif juste avant minuit où une impulsion va être déclenchée dans les minutes qui suivent.Figure 2 is a plan view of the device just before midnight where a pulse will be triggered within minutes.

La figure 3 est une coupe partielle suivant la ligne A-A de la figure 2.FIG. 3 is a partial section along the line A-A of FIG.

La figure 4 est une coupe partielle suivant la ligne B-B de la figure 2.Figure 4 is a partial section along line BB of Figure 2.

Le dispositif de déclenchement d'une impulsion selon l'invention sera décrit en référence à la forme d'exécution illustrée au dessin à titre d'exemple qui est un dispositif permettant de commander à partir d'un mouvement d'horlogerie, une fois par jour, une impulsion sur un poussoir de commande.The triggering device of a pulse according to the invention will be described with reference to the embodiment illustrated in the drawing by way of example which is a device for controlling from a watch movement, once by day, a pulse on a control pusher.

Le dispositif est illustré monté sur une platine 1 et comporte une roue de commande 2 pivotée concentriquement à un axe 3 et entraînée à raison d'une révolution complète par jour à partir d'une roue des heures 4 d'un mouvement d'horlogerie non illustré.The device is illustrated mounted on a plate 1 and comprises a control wheel 2 pivoted concentrically to an axis 3 and driven at a rate of a complete revolution per day from a wheel hours 4 of a clockwork movement no illustrated.

Cette roue de commande 2 comporte des lumières oblongues 5a, 5b, 5c, trois dans l'exemple illustré, réparties de préférence uniformément autour de l'axe de rotation de cette roue de commande 2.This control wheel 2 comprises oblong slots 5a, 5b, 5c, three in the illustrated example, distributed preferably uniformly about the axis of rotation of this control wheel 2.

Un ressort 6 à trois branches est disposé sous la roue de commande 2 dont le moyeu 7 est pivoté sur l'axe 3 et sert à son tour le pivot à la roue de commande 2. Ce moyeu 7 traverse la roue de commande en son centre et se termine par une extrémité comportant un plat 8. Une came de commande 9 en forme de came escargot est chassée sur l'extrémité du moyeu 7 du ressort 6. Ainsi, l'ensemble formé par le ressort 6 et la came de commande 9 est libre et indépendant de la roue de commande 2 mais concentrique à celle-ci.A spring 6 with three branches is arranged under the control wheel 2 whose hub 7 is pivoted on the axis 3 and serves in turn the pivot to the control wheel 2. This hub 7 passes through the control wheel in the center and ends with an end having a plate 8. A control cam 9 in the form of a snail cam is driven on the end of the hub 7 of the spring 6. Thus, the assembly formed by the spring 6 and the control cam 9 is free and independent of the control wheel 2 but concentric with it.

Le ressort 6 comporte trois branches 10, 11, 12 coopérants chacune avec une des lumières 5a, 5b, 5c de la roue de commande 2. L'extrémité de chaque branche 10, 11, 12 comporte un pliage faisant en sorte que ces extrémités se trouvent à l'état de repos des branches du ressort 6, engagées dans les lumières 5a, 5b, 5c correspondantes de la roue de commande 2.The spring 6 comprises three branches 10, 11, 12 each cooperating with one of the lights 5a, 5b, 5c of the control wheel 2. The end of each leg 10, 11, 12 comprises a folding ensuring that these ends are are in the rest state branches of the spring 6, engaged in the corresponding lights 5a, 5b, 5c of the control wheel 2.

Ainsi, grâce à cet accouplement élastique lorsque la roue de commande 2 est entraînée en rotation dans le sens horaire de la flèche F1, le ressort 6 est également entraîné de même que la came de commande 9. Par contre lorsque la roue de commande 2 est entraînée dans le sens anti-horaire, par exemple lors d'une mise à l'heure en arrière du mouvement d'horlogerie, les branches 10, 11, 12 du ressort 6 s'écartent axialement de la roue de commande 2, de sorte que ni le ressort 6 ni la came de commande 9 ne sont entraînés en sens anti-horaire.Thus, thanks to this elastic coupling when the control wheel 2 is rotated in the clockwise direction of the arrow F1, the spring 6 is also driven as is the control cam 9. By cons when the control wheel 2 is driven in the counter-clockwise direction, for example during a time setting back of the watch movement, the branches 10, 11, 12 of the spring 6 deviate axially from the control wheel 2, so that neither the spring 6 nor the control cam 9 are driven in a counter-clockwise direction.

Cet arrangement constitue ainsi un dispositif d'accouplement unidirectionnel permettant d'entraîner la came de commande 9 dans un seul sens de rotation par la roue de commande 2.This arrangement thus constitutes a unidirectional coupling device for driving the control cam 9 in a single direction of rotation by the control wheel 2.

Lorsqu'on fait une mise à l'heure de la roue des heures 4 en tournant les aiguilles en arrière, les trois bras du ressort 6 sortent des ouvertures 5a, 5b, 5c et la came 9 n'est plus entraînée par la roue de commande 2. L'entraînement reprendra lorsque la roue des heures 4 aura retrouvé sa position. Ce premier mécanisme est nécessaire car la came ne doit pas tourner en arrière.When a time setting of the hour wheel 4 by turning the hands back, the three arms of the spring 6 out of the openings 5a, 5b, 5c and the cam 9 is no longer driven by the wheel of command 2. The drive will resume when the hour wheel 4 has returned to its position. This first mechanism is necessary because the cam must not turn back.

Il est à noter que les lumières 5a, 5b et 5c se trouvent sur des rayons différents de sorte que chacune d'elle ne peut coopérer qu'avec une extrémité 10, 11, 12 correspondante du ressort 6. Ainsi les lumières 5a, 5b, 5c ne peuvent être accouplées au ressort 6 que dans une seule position par tour où les extrémités pliées 10, 11, 12 entrent dans lesdites lumières.It should be noted that the lights 5a, 5b and 5c are on different radii so that each of them can cooperate only with a corresponding end 10, 11, 12 of the spring 6. Thus the lights 5a, 5b, 5c can be coupled to the spring 6 only in a single position per turn where the folded ends 10, 11, 12 enter said lights.

La roue de commande 2 comporte le double de dent de la roue des heures 4 et est donc entraînée en rotation à raison d'une révolution complète en vingt-quatre heuresThe control wheel 2 has the double tooth of the hour wheel 4 and is therefore rotated at the rate of a complete revolution in twenty-four hours.

Le dispositif de déclenchement comporte encore un levier 13 pivoté sur la platine 1 en 14. Ce levier comporte un palpeur 15 coopérant avec la périphérie de la came escargot 9 puisque le levier 13 est soumis à l'action d'un ressort de rappel 16 tendant à appliquer le palpeur 15 contre la périphérie de cette came de commande 9.The trigger device further comprises a lever 13 pivoted on the plate 1 at 14. This lever comprises a feeler 15 cooperating with the periphery of the snail cam 9 since the lever 13 is subjected to the action of a return spring 16 tending to apply the probe 15 against the periphery of this control cam 9.

Un doigt 17 est monté pivotant en 18 sur l'extrémité libre du levier 13 et se termine par une face d'actionnement 19. L'autre extrémité du doigt 17 comporte une goupille 20 soumise à l'action d'un ressort de rappel 21 fixé sur le levier 13 et tendant à maintenir cette goupille 20 en appui sur la tranche de ce levier 13.A finger 17 is pivotally mounted at 18 on the free end of the lever 13 and ends with an actuating face 19. The other end of the finger 17 comprises a pin 20 subjected to the action of a return spring 21 fixed on the lever 13 and tending to maintain the pin 20 bearing on the edge of the lever 13.

Le dispositif de déclenchement comporte encore un barillet comportant un tambour 22 renfermant un ressort de barillet et un rochet avec son cliquet pour l'armage du ressort comme un barillet classique. Le ressort du barillet est fixé à l'une de ses extrémités sur l'axe du barillet 23 tandis que l'autre est fixée à l'intérieur du tambour de barillet 22.The trigger device further comprises a barrel comprising a drum 22 enclosing a mainspring and a ratchet with its ratchet for arming the spring like a conventional barrel. The spring of the barrel is fixed at one of its ends on the axis of the barrel 23 while the other is fixed inside the barrel drum 22.

Le tambour de barillet 22 est solidaire d'une came d'actionnement 24 en forme de came escargot dont la périphérie coopère avec le palpeur 25 d'une bascule 26 pivotée sur la platine 1 en 27.The drum drum 22 is secured to an actuating cam 24 in the form of a snail cam whose periphery cooperates with the feeler 25 of a rocker 26 pivoted on the plate 1 at 27.

L'extrémité libre 28 de cette bascule 26 coopère avec le poussoir 29 d'un correcteur 30, ce poussoir se déplaçant linéairement par rapport à la douille du correcteur 30 contre l'action d'un ressort de rappel non illustré tendant à déplacer ledit poussoir 29 en direction de l'extrémité libre 28 de la bascule 26. La bascule 26 est soumise à l'action d'un ressort de rappel 37 plaquant le palpeur 25 contre la calme d'actionnement 24.The free end 28 of this rocker 26 cooperates with the pusher 29 of a corrector 30, this pusher moving linearly relative to the sleeve of the corrector 30 against the action of a non-illustrated return spring tending to move said pusher 29 towards the free end 28 of the rocker 26. The rocker 26 is subjected to the action of a return spring 37 pressing the probe 25 against the actuating calm 24.

Le tambour 22 du barillet comporte une butée 31 reposant sur l'extrémité libre 32 d'un cliquet 33 pivoté en 34 sur la platine 1 et soumis à l'action d'un ressort de rappel 35 tendant à maintenir l'extrémité libre 32 du cliquet 33 contre la paroi périphérique du tambour 22 du barillet. L'autre extrémité du cliquet 33 porte une goupille 36 située, lorsque le cliquet 33 est en position de repos, sur la trajectoire de la face d'actionnement 19 du doigt 17 du levier 13, lorsque ce levier 13 tombe de la partie la plus excentrée de la came de commande 9.The drum 22 of the barrel comprises a stop 31 resting on the free end 32 of a pawl 33 pivoted at 34 on the plate 1 and subjected to the action of a return spring 35 tending to hold the free end 32 of pawl 33 against the peripheral wall of the drum 22 of the barrel. The other end of the pawl 33 carries a pin 36 located, when the pawl 33 is in the rest position, in the path of the actuating face 19 of the finger 17 of the lever 13, when the lever 13 falls from the most eccentric of the control cam 9.

Le fonctionnement du dispositif de déclenchement décrit est le suivant :The operation of the tripping device described is as follows:

A partir de la position du dispositif illustré à la figure 1, qui correspond à la position qu'il occupe juste après minuit et après qu'une impulsion ait été déclenchée et que le cliquet 33 soit revenu sous l'action de son ressort de rappel 35 en position de blocage du tambour de barillet 22, la roue des heures 4 entraîne la roue de commande 2 dans le sens de la flèche F1. Le palpeur 15 du levier 13 suit la périphérie de la came de commande 9 et se déplace dans le sens horaire contre l'action de son ressort de rappel 16. Pendant ce déplacement le doigt 17 bute contre la goupille 36 du cliquet 33 puis échappe à celle-ci et revient en position de repos sous l'action de son ressort de rappel 21. Ce déplacement en sens horaire du levier 13 se poursuit jusqu'à ce qu'il occupe peu avant minuit la position illustrée à la figure 2 ou il va échapper à la partie la plus haute de la came de commande 9.From the position of the device illustrated in Figure 1, which corresponds to the position it occupies just after midnight and after a pulse has been triggered and the pawl 33 has returned under the action of its spring 35 in the locking position of the barrel drum 22, the hour wheel 4 drives the control wheel 2 in the direction of the arrow F1. The probe 15 of the lever 13 follows the periphery of the control cam 9 and moves in the clockwise direction against the action of its return spring 16. During this movement, the finger 17 abuts against the pin 36 of the pawl 33 and then escapes it and returns to the rest position under the action of its return spring 21. This displacement in the clockwise direction of the lever 13 continues until it occupies shortly before midnight the position illustrated in FIG. 2 or it will escape from the highest part of the control cam 9.

Un instant plus tard le palpeur 15 du levier 13 échappe à la came de commande 9 et retombe en position basse sous l'action de son ressort de rappel 16. Pendant cette chute du levier 13, le doigt 17 qu'il porte déplace, par sa face d'actionnement 19 agissant sur la goupille 36, le cliquet 33 libérant ainsi le tambour 22 du barillet.A moment later, the probe 15 of the lever 13 escapes from the control cam 9 and falls into the low position under the action of its return spring 16. During this fall of the lever 13, the finger 17 that it carries moves, by its actuating face 19 acting on the pin 36, the pawl 33 thus releasing the drum 22 of the barrel.

Ce tambour de barillet 22 tourne sous l'action de son propre ressort de barillet dans le sens anti-horaire, la came escargot 24 pousse la bascule 26 provoquant l'actionnement c'est-à-dire l'impulsion du poussoir 29. Au bout d'un tour le tambour de barillet 22 est à nouveau bloqué par le cliquet 33 et le palpeur 25 de la bascule 26 est retombé sur la partie basse de la came escargot 24. Le cycle de déclenchement peut recommencer. Le temps pris par le barillet 22, 23 pour se désarmer d'un tour dépendra de la tension de son ressort moteur et de la résistance du mécanisme de commande actionné par le poussoir 29. De préférence, quand le mécanisme de commande est un module d'horlogerie comme un quantième, le désarmage et donc la durée de l'impulsion sont assez rapides, par exemple d'environ un seconde ou moins.This barrel drum 22 rotates under the action of its own barrel spring in the counterclockwise direction, the snail cam 24 pushes the rocker 26 causing the actuation that is to say the pulse of the pusher 29. Au After one turn the barrel drum 22 is again blocked by the pawl 33 and the probe 25 of the rocker 26 has fallen back on the lower part of the snail cam 24. The tripping cycle can start again. The time taken by the barrel 22, 23 to disarm a lap will depend on the tension of its mainspring and the resistance of the control mechanism actuated by the pusher 29. Preferably, when the control mechanism is a module of watchmaking as a calendar, the disarming and therefore the duration of the pulse are quite fast, for example about one second or less.

Dans ce dispositif selon l'invention, c'est donc la roue de commande 2, la came de commande 9 et le levier 13 muni de son doigt 17, constituant des premiers moyens, qui déterminent le moment de l'impulsion mais l'énergie nécessaire pour pousser le poussoir 29 est délivrée par le barillet 22, 23 et non pas par le moteur du mouvement d'horlogerie entraînant la roue de commande 2. Le barillet 22, 23, la came d'actionnement 24, le cliquet 33 et la bascule 26 constituant des seconds moyens,In this device according to the invention, it is therefore the control wheel 2, the control cam 9 and the lever 13 provided with its finger 17, constituting first means, which determine the moment of the pulse but the energy necessary to push the pusher 29 is delivered by the barrel 22, 23 and not by the motor of the clockwork driving the control wheel 2. The barrel 22, 23, the actuating cam 24, the pawl 33 and the flip-flop 26 constituting second means,

Le doigt 17 et le cliquet 33 (ainsi que les ressorts de rappel 21 et 35) constituent un bloqueur du barillet 22, 23 qui est dégagé pour une courte durée immédiatement après la chute du levier 13 afin que le barillet puisse se désarmer d'un angle prédéterminé. Dans le cas décrit, cet angle de désarmement est de 360° soit un tour, mais dans des variantes l'ange de désarmement du barillet peut varier. Par exemple, si la came 24 a deux levées et le tambour du barillet comporte deux butées, l'angle de désarmement du barillet pourrait être de 180°.The finger 17 and the pawl 33 (and the return springs 21 and 35) constitute a blocker of the barrel 22, 23 which is released for a short time immediately after the fall of the lever 13 so that the barrel can disarm a predetermined angle. In the case described, this disarming angle is 360 ° or a turn, but in variants the disarming angel of the barrel may vary. For example, if the cam 24 has two lifts and the barrel drum has two stops, the disarming angle of the barrel could be 180 °.

Dans l'exemple illustré le dispositif de déclenchement délivre une impulsion par vingt-quatre heures, mais dans des variantes, l'intervalle entre deux impulsions peut être différent. Il suffit soit d'entraîner la roue de commande 2 à une autre vitesse, soit de prévoir une came de commande 9 à deux ou plusieurs levées.In the example illustrated, the tripping device delivers one pulse per twenty-four hours, but in variants, the interval between two pulses may be different. It suffices either to drive the control wheel 2 at another speed, or to provide a control cam 9 with two or more lifts.

Le dispositif de déclenchement décrit peut être complété par une sécurité (non représentée) de manière à pouvoir limiter le nombre d'impulsions entre deux remontages du barillet 22, 23. En effet lorsque le barillet est presque totalement désarmé, il ne peut pas faire complètement son tour et s'arrêtera avant d'avoir complété son impulsion, ce qui n'est pas souhaité.The trigger device described may be supplemented by a safety device (not shown) so as to be able to limit the number of pulses between two windings of the barrel 22, 23. Indeed when the barrel is almost completely disarmed, it can not completely turn and stop before having completed his impulse, which is not desired.

Sur le tambour du barillet 22 est pivotée une croix de Malte excentrée (non illustrée) qui fait un quart de tour à chaque tour de barillet sous l'action d'un doigt fixé sur l'arbre 23 de barillet.On the cylinder drum 22 is rotated an eccentric Malta cross (not shown) which is a quarter turn at each turn of the barrel under the action of a finger fixed on the barrel shaft 23.

Cette croix de Malte a une de ses quatre dents pleine ce qui empêche le barillet de se désarmer de plus de trois tours. Après désarmage de ces trois tours la croix de Malte aura une position telle, qu'elle empêchera, par l'intermédiaire d'un levier (non illustré), le cliquet 33 de se soulever et interdira le déclenchement d'une nouvelle impulsion.This Maltese cross has one of its four full teeth which prevents the barrel from disarming more than three turns. After disarming these three turns the Maltese cross will have a position such that it will prevent, through a lever (not shown), the pawl 33 to lift and prohibit the triggering of a new impulse.

Il faudra remonter le barillet pour permettre au mécanisme de déclenchement de fonctionner à nouveau.It will be necessary to refit the barrel to allow the triggering mechanism to function again.

Le dispositif de déclenchement d'impulsion décrit peut commander à partir d'un mouvement d'horlogerie un module additionnel situé, soit dans la même enceinte ou boîte que le mouvement, soit en dehors de cette boîte, le correcteur 29, 30 permettant une traversée étanche de cette boîte de montre.The pulse triggering device described can control, from a clockwork movement, an additional module located either in the same enclosure or box as the movement, or outside this box, the corrector 29, 30 enabling a traversal waterproof of this watch case.

De plus, ce dispositif est particulièrement bien adapté pour équiper une pièce d'horlogerie mécanique, à remontage manuel. Dans ce cas, il est possible de remonter simultanément à partir d'une couronne de remontoir le barillet formant le moteur du mouvement d'horlogerie et le barillet 22, 23 du présent dispositif de déclenchement.In addition, this device is particularly well suited to equip a mechanical timepiece, manual winding. In this case, it is possible to remount simultaneously from a winding crown the barrel forming the motor of the watch movement and the barrel 22, 23 of the present triggering device.

D'une façon générale, le dispositif de déclenchement d'impulsion mécanique comporte des premiers moyens 2,6,9,13 et 17 entraînés par un mouvement d'horlogerie, dans l'exemple illustré par la roue des heures 4 d'un mouvement d'horlogerie non illustré, déterminant le ou les moments où une impulsion doit être délivrée et des seconds moyens 22,23,24,26,30, 33, déclenchés par lesdits premiers moyens, délivrant une impulsion mécanique de force et d'amplitude prédéterminées à partir d'un organe moteur 22,23 indépendant du mouvement d'horlogerie.In general, the mechanical pulse triggering device comprises first means 2,6,9,13 and 17 driven by a clockwork movement, in the example illustrated by the hour wheel 4 of a movement timepiece not illustrated, determining the moment or moments when a pulse must be delivered and second means 22,23,24,26,30,33, triggered by said first means, delivering a mechanical pulse of predetermined force and amplitude from a motor member 22,23 independent of the watch movement.

Claims (7)

Dispositif de déclenchement d'impulsion mécanique pour mouvement d'horlogerie, caractérisé par le fait qu'il comporte une roue de commande (2) entraînée en rotation par un mobile (4) d'un mouvement d'horlogerie; une came de commande (9) comportant au moins une levée concentrique à la roue de commande (2) et reliée à celle-ci par un dispositif d'entraînement dans un sens seulement (6); un levier pivotant (13) comportant un palpeur (15) coopérant avec la surface périphérique de la came de commande (9) contre laquelle il est appliqué par une action élastique (16); un barillet (22, 23) dont le tambour (22) porte une came d'actionnement (24), ce tambour comportant une butée (31) capable de s'appuyer contre un bloqueur (31,33,35) qui empêche la rotation du tambour du barillet; par le fait que la chute du palpeur (15) du levier (13) d'une levée de la came de commande (9) actionne le bloqueur (31,33,35) pour libérer le tambour (22) du barillet (22,23) afin que le barillet puisse se désarmer d'un angle prédéterminé; et par le fait que ce dispositif comporte encore une bascule (26) pivotée à une de ses extrémités et comportant un palpeur (25) coopérant avec la périphérie de la came d'actionnement (24); l'extrémité libre de cette bascule (26) actionnant un poussoir (29) d'un correcteur (29, 30).Mechanical pulse triggering device for a clockwork movement, characterized in that it comprises a control wheel (2) driven in rotation by a mobile (4) of a clockwork movement; a control cam (9) having at least one lift concentric to the control wheel (2) and connected thereto by a driving device in one direction only (6); a pivoting lever (13) having a feeler (15) cooperating with the peripheral surface of the control cam (9) against which it is applied by an elastic action (16); a barrel (22, 23) whose drum (22) carries an actuating cam (24), this drum having a stop (31) capable of pressing against a blocker (31, 33, 35) which prevents the rotation barrel drum; in that the drop of the probe (15) of the lever (13) of a lifting of the control cam (9) actuates the blocker (31, 33, 35) to release the drum (22) from the barrel (22, 23) so that the barrel can disarm from a predetermined angle; and in that the device further comprises a rocker (26) pivoted at one of its ends and having a feeler (25) cooperating with the periphery of the actuating cam (24); the free end of this rocker (26) actuating a pusher (29) of a corrector (29, 30). Dispositif selon la revendication 1, caractérisé par le fait qu'un doigt (17) est pivoté sur l'extrémité libre du levier (13) et maintenu en position de repos par un ressort de rappel (21) fixé sur le levier (13) ; par le fait que l'extrémité (19) du doigt (17) du levier (13) est placée de manière à entrer en contact avec la goupille (36) du cliquet (33) lorsque le palpeur (15) du levier (13) tombe d'une levée de la came de commande (9) provoquant ainsi la libération du tambour (22) du barillet (22,23).Device according to claim 1, characterized in that a finger (17) is pivoted on the free end of the lever (13) and held in the rest position by a return spring (21) fixed on the lever (13) ; in that the end (19) of the finger (17) of the lever (13) is placed so as to come into contact with the pin (36) of the pawl (33) when the feeler (15) of the lever (13) falls from a lift of the control cam (9) thereby causing the drum (22) of the barrel (22,23) to be released. Dispositif selon la revendication 1 ou la revendication 2, caractérisé par le fait que le dispositif d'entraînement dans un seul sens de la came de commande (9) par la roue de commande (2) comporte un ressort (6), solidaire de la came de commande (9), comportant trois bras élastiques (10, 11, 12) dont les extrémités comportent un pliage; et par le fait que la roue de commande (2) comporte trois lumières oblongues (5a, 5b, 5c) destinées à recevoir les extrémités des bras élastiques (10, 11, 12) du ressort (6).Device according to Claim 1 or Claim 2, characterized in that the single-direction drive of the control cam (9) via the control wheel (2) has a spring (6) integral with the control cam (9), comprising three elastic arms (10, 11, 12) whose ends comprise a folding; and in that the control wheel (2) has three oblong slots (5a, 5b, 5c) for receiving the ends of the elastic arms (10, 11, 12) of the spring (6). Dispositif selon la revendication 3, caractérisé par le fait que les lumières (5a, 5b, 5c) de la roue de commande (2) sont disposées sur des rayons différents les uns des autres de même que les extrémités des bras élastiques (10, 11, 12) de sorte que le ressort (6) ne puisse s'encliqueter avec la roue de commande (2) que dans une seule position angulaire déterminée.Device according to claim 3, characterized in that the lights (5a, 5b, 5c) of the control wheel (2) are arranged on different radii from each other as well as the ends of the elastic arms (10, 11 , 12) so that the spring (6) can not engage with the control wheel (2) in only one determined angular position. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que le barillet (22, 23) comporte un dispositif limitant le nombre de tours de son tambour (22) après chaque remontage du ressort de ce barillet (22, 23).Device according to one of the preceding claims, characterized in that the barrel (22, 23) comprises a device limiting the number of revolutions of its drum (22) after each winding of the spring of this barrel (22, 23). Dispositif selon l'une des revendications précédentes, caractérisé par le fait que l'angle prédéterminé de désarmement du barillet (22,23) est de 360°.Device according to one of the preceding claims, characterized in that the predetermined disarming angle of the barrel (22,23) is 360 °. Dispositif de déclenchement d'impulsion mécanique, caractérisé par le fait qu'il comporte des premiers moyens (2, 6, 9, 13, 17) entraînés par un mouvement d'horlogerie déterminant le moment où une impulsion doit être délivrée et des seconds moyens (22, 23, 24,26, 30,31, 33), déclenchés par les premiers moyens, délivrant une impulsion mécanique de force et d'amplitude prédéterminée à partir d'un organe moteur (22, 23) indépendant du mouvement d'horlogerie.Device for triggering a mechanical pulse, characterized in that it comprises first means (2, 6, 9, 13, 17) driven by a clockwork movement determining the moment when a pulse is to be delivered and second means (22, 23, 24, 26, 30, 31, 33), triggered by the first means, delivering a mechanical pulse of force and amplitude predetermined from a motor member (22, 23) independent of the watch movement.
EP20070000230 2006-03-30 2007-01-08 Device for triggering a pulse Active EP1857890B1 (en)

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CH712012A1 (en) * 2016-01-14 2017-07-14 Richemont Int Sa Watch movement with jumping display mechanism.
EP4321939A1 (en) * 2022-08-09 2024-02-14 Patek Philippe SA Genève Device for instant triggering for a timepiece mechanism

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WO2012127054A1 (en) * 2011-03-23 2012-09-27 Samep S.A. - Montres Emile Pequignet Instantaneous driving mechanism for timepiece movement
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EP4321939A1 (en) * 2022-08-09 2024-02-14 Patek Philippe SA Genève Device for instant triggering for a timepiece mechanism

Also Published As

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EP1857890B1 (en) 2012-05-30
HK1105462A1 (en) 2008-02-15
EP1857890A3 (en) 2011-06-01
CN101067741A (en) 2007-11-07
CN101067741B (en) 2011-03-30

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