EP3502801B1 - Chronograph repetition mechanism with safety - Google Patents

Chronograph repetition mechanism with safety Download PDF

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Publication number
EP3502801B1
EP3502801B1 EP17208302.4A EP17208302A EP3502801B1 EP 3502801 B1 EP3502801 B1 EP 3502801B1 EP 17208302 A EP17208302 A EP 17208302A EP 3502801 B1 EP3502801 B1 EP 3502801B1
Authority
EP
European Patent Office
Prior art keywords
striking
chronograph
winding
rack
cam
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.)
Active
Application number
EP17208302.4A
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German (de)
French (fr)
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EP3502801A1 (en
Inventor
Julien FEYER
Cédric Reymond
Edmond Capt
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.)
Omega SA
Original Assignee
Omega SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to EP17208302.4A priority Critical patent/EP3502801B1/en
Priority to TW107136510A priority patent/TWI673581B/en
Priority to US16/164,868 priority patent/US11249443B2/en
Priority to JP2018206274A priority patent/JP6691590B2/en
Priority to KR1020180149744A priority patent/KR102171674B1/en
Priority to RU2018144719A priority patent/RU2699928C1/en
Priority to CN201811549882.1A priority patent/CN109932883B/en
Publication of EP3502801A1 publication Critical patent/EP3502801A1/en
Application granted granted Critical
Publication of EP3502801B1 publication Critical patent/EP3502801B1/en
Active legal-status Critical Current
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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/065—Dials with several parts
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/089—Special arrangements indicating measured time by other than hands, e.g. numbered bands, drums, discs or sheet
    • 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
    • G04B19/04—Hands; Discs with a single mark or the like
    • 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
    • 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
    • G04B25/00—Indicating the time by other means or by combined means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms

Definitions

  • the invention relates to a chronograph repeating sound display mechanism for the sound display, by a striking mechanism, of a duration measured by a chronograph mechanism, said chronograph mechanism comprising a control mechanism comprising a variable position control cam, and said strike mechanism comprising a winding pusher arranged to be manipulated in a single pusher direction by a user to trigger the audible display of the time measured by said chronograph mechanism, said winding mechanism bell also comprising a winding control arranged to drive a rack to move a bell piece for reading the quantity concerned and trigger a corresponding bell.
  • the invention also relates to a timepiece, in particular a watch, comprising such a sound display mechanism.
  • the invention relates to the field of clockwork display mechanisms.
  • timepieces are sometimes difficult to read, in particular when the timepiece is a watch of small dimensions, such as a ladies' watch, or even a complicated watch, comprising a large number of displays, each then occupying a necessarily small area, or superimposed on other displays, which can make the interpretation imprecise for the user, which is paradoxical when it comes to a precise measurement of time.
  • Reading a display may still be disturbed by low ambient light, such as when diving, or in certain time slots at night or twilight, or on the contrary be disturbed by parasitic lighting that generates shadows making the indications unreadable, or even due to a visual impairment of the user or special conditions of use, such as night flight or certain special operations. This is also the reason why watchmakers of the 18th and 19th centuries developed striking, passing or repeating watches, or even tact watches allowing tactile information to be obtained.
  • the invention proposes to provide operational safety to a chronograph repeater mechanism, coupling a conventional visual display to a sound display, or replacing a conventional visual display by an audio display, to prevent any engagement of the striking mechanism while the chronograph mechanism operates, to measure a duration, or during a reset.
  • the invention relates to an audible clockwork display mechanism according to claim 1.
  • the invention also relates to a timepiece, in particular a watch, comprising such a chronograph repeating mechanism.
  • the invention relates to a sound display mechanism 500 for a timepiece, for a timepiece 1000, in particular a watch, or else a sports or other timing device, or even a clock, or the like.
  • This timepiece 1000 conventionally comprises a movement, and energy storage means, for at least driving an oscillator, which are not detailed here.
  • This timepiece 1000 may still include a music box.
  • This display mechanism 500 comprises at least one rotary display mobile, in particular linked to a display such as a hand, disc, or the like, for displaying a quantity other than the time of the current time.
  • quantity other than the hour of current time is meant a quantity such as a duration for a chronograph mechanism, or a count of actions on a push-piece for a sports arbitration apparatus, or the like.
  • This display mechanism 500 is a sound display mechanism.
  • the rotary display mobile is integral, at least in rotation, with a display cam, the periphery of which cooperates with the feeler of a striking part which comprises a striking mechanism 1, which is integrated or juxtaposed with the display mechanism 500, to sound a digital value characteristic of the quantity measured.
  • the invention is described more particularly, and without limitation, for a display carried out on demand, by action of a user on a control member, such as winding push button 390 as illustrated by the figures, or bolt, crown, bezel, or any other actuator.
  • a control member such as winding push button 390 as illustrated by the figures, or bolt, crown, bezel, or any other actuator.
  • this display mechanism 500 comprises a chronograph mechanism 100, which comprises at least one chronograph mobile for counting seconds, and a minute counter mobile for counting downs. minutes.
  • this display mechanism 500 is a chronograph repeater mechanism, as described in the application. EP3495895 from the same depositor.
  • This chronograph repeating mechanism is designed to provide, after stopping at the end of a duration measurement of a timed duration carried out by the chronograph mechanism 100, the information relating to the measured duration, in particular in minutes and seconds, to a striking mechanism 1 which the chronograph mechanism 100 comprises or to which the chronograph mechanism 100 is juxtaposed, in particular to strike at least the minutes and the seconds of the measured duration.
  • This ringing mechanism 1 comprises the ringing control parts (in particular minutes and seconds, or even tens of seconds or other) necessary to ring at least the corresponding units of the timed duration.
  • This sound display mechanism 500 of chronograph repeating clockwork enables the sound display, by a striking mechanism 1, of a duration measured by a chronograph mechanism 100.
  • this striking mechanism 1 comprises a winding control 39, which is arranged to drive a rack 33 to move a striking part for reading the quantity concerned and to trigger a corresponding ringing.
  • This sound display mechanism 500 comprises, between the control mechanism of the chronograph mechanism 100 and the winding control 39, a mechanical connection arranged for, depending on the position of a control cam 60, 54 of the chronograph mechanism 100 indirectly defining a variable secondary direction B of the winding control 39, whether or not to isolate the winding control 39 from a winding push-button 390 manipulated in a single direction of push-button A by a user to trigger the sound display of the timed duration.
  • the chronograph mechanism 100 comprises a control mechanism, which comprises a control cam 60, such as column wheel 54, or control cam, or the like.
  • the chronograph mechanism 100 comprises at least one rotary display mobile, such as seconds mobile or minutes mobile, which is at least rotatably secured to a corresponding display cam, the periphery of which cooperates with the feeler of a corresponding striking part, which the striking mechanism 1 comprises, for striking a characteristic digital value of a timed duration measured by the chronograph mechanism 100.
  • the striking mechanism 1 comprises a winding control 39, which is arranged to trigger the reading of this timed duration on each display cam. More particularly, and without limitation, this winding command 39 is arranged to drive a rack 33 against elastic return means constituting motor means of the striking mechanism 1, to move a striking part for each display cam for reading the quantity concerned, for example minute part on a minutes cam-snail, seconds part on a seconds cam-snail, tens of seconds part on a tens of seconds cam, or similar.
  • the mechanical isolation link is arranged so, depending on the position of such a control cam 60 or 54, which the chronograph mechanism 100 comprises, to isolate or not the winding control 39 from the winding push-button 390.
  • this mechanical isolation connection comprises at least one safety lever 50, resting on the control cam 60 or 54, and resting, or preferably articulated as in the embodiment illustrated by the figures, on or with the arming control 39.
  • the chronograph mechanism 100 conventionally comprises external control means accessible to the user, such as a start-stop push-button, return-to-zero push-button, or the like, and in particular as described in the collective work “Théorie d 'watchmaking' by MM. Reymondin, Monnier, Jeanneret, Pelaratti, published by the FET (Federation of technical schools) in Switzerland, in chapter 11.
  • these external control means generally lead to a control 56, which pulls or pushes a cam control 60, in particular a pivoting cam, such as a column wheel 54, or a cam comprising an upper shuttle and a lower shuttle, or the like.
  • the invention is applicable both to a single-push-button chronograph as illustrated in the figures, which can be used to trigger the start commands START, stop STOP, and reset to zero, as well as to a chronograph mechanism with two push-buttons, one for start-stop, the other for reset, according to the same logic, which consists of moving, when any of the two push-buttons are actuated for a start or a reset, a isolation mechanism, comprising a safety latch described below, designed to render any manual control of the striking mechanism inoperative while one of the START or RESET functions of the chronograph mechanism is active.
  • This control cam 60 comprises a succession of projecting parts 61 and re-entrant parts 62, either axially or radially, so that a safety latch 50, which is kept resting on this control cam 60 by elastic safety return means 52, occupies different angular positions, depending on whether a feeler 53, which this safety lever 50 comprises, cooperates with a projecting part 61 or a re-entrant part 62.
  • the chronograph mechanism 100 comprises a column wheel 54, with a ratchet 59 arranged to be towed by the hook 57 of a control 56 subjected to the return of a control spring. 58.
  • This column wheel 54 comprises columns 540, constituting projecting parts 61 and comprising a substantially cylindrical periphery 542. These columns 540 are separated by notches 541 constituting re-entrant parts 62.
  • This column wheel is conventionally held in position by a jumper 55, or the like.
  • the safety lever 50 is thus controlled by the control cam 60, in particular the column wheel 54, of the chronograph, and can position the winding control 39 of the chronograph repeating mechanism in two positions, via a pin 51 integral with the safety latch 50, and which acts as an articulation in an oblong opening called loop 393 of the winding control 39.
  • the winding control 39 is here subjected to a longitudinal support of a winding pusher 390, which is movable in a single pusher direction A.
  • the loop 393 defines a secondary direction B, which is not fixed since it depends on the angular position of the safety lever 50, which pivots around its rocker axis C.
  • the mechanical isolation link allows the operation of the winding control 39 by the winding push button 390 when the secondary direction B coincides with the direction of push button A, and prohibits it when the secondary direction B and the direction of pusher A diverge.
  • the figure 1 illustrates a position in which the feeler 53 of the safety lever 50 is engaged in a notch 541, between two columns 542, which corresponds to the stopped chronograph (STOP).
  • the safety latch 50 In this position, the safety latch 50 is in a so-called "low” position, where the direction of push-button A of the winding push-button 390 and the secondary direction B of the winding control 39 are aligned: the winding control 39 is located opposite the winding pusher 390.
  • the pin 51 of the safety latch is at a first end 391 of the loop 393, the entire stroke of which is available. The user can thus push the winding pushbutton 90, and consequently push the winding control 39, to engage the chronograph repeater.
  • the figure 2 illustrates the position at the end of the push by the user, still in the STOP position of the chronograph.
  • the pin 51 of the safety latch is passed to the second end 392 of the loop 393, opposite the first end 391.
  • the thrust of the winding control 39 causes the rack 33 to pivot around its axis D, by the action of the pin 394 carried by the winding control 39, and triggers the sound reading of the time value measured by the chronograph mechanism 100.
  • the rack 33 meshes here, without limitation, with a rack pinion 31 integral in rotation with 'a 32 minute ratchet.
  • the figure 3 illustrates the case where the chronograph mechanism 100 operates, and is in the process of measuring a duration (START), or a reset (RESET) in the particular case of the figure.
  • the feeler 53 of the safety latch 50 is this time resting on the periphery 542 of a column 540, which brings the safety latch 50 into a so-called “high” angular position, different from the "low” position than she occupies on figures 1 and 2 , and which leads to a misalignment between the direction of pusher A of the winding pusher 390 and the secondary direction B of the winding control 39.
  • the user presses on the winding pusher 390 nothing can happen, because this winding pusher 390 acts in a vacuum, not encountering any moving part to control in its course.
  • the invention applies similarly, in a variant not illustrated, to a cam control mechanism.
  • the safety rocker must then be in "high” position in START and RESET and in "low” position in STOP. It is possible to add a mobile comprising a cam, or even to machine a cam shape in an unused part of the shuttle, in particular on the periphery of the lower shuttle, or by attaching a cam or cam to the lower shuttle. a set of teeth reproducing the functions of the columns and the clearances between columns, which are presented here in the example with a column wheel illustrated by the figures.
  • the invention can implement a more complex ringing mechanism than those exposed in the book cited as a reference, in particular with several ringing tones or melodies as in the patent applications in the name of the BLANCPAIN Company: classic ringing or a melody set. , multistage striking mechanism with parts with different rakes.
  • the invention also relates to a timepiece 1000, in particular a watch, comprising such a display mechanism 500.
  • the striking mechanism 1 is integrated with said display mechanism 500.
  • the invention allows useful security to be added to a chronograph repeater type display mechanism, which combines a chronograph mechanism and a striking mechanism, which are known to be the most complex and delicate horological mechanisms, and that it is necessary to protect against any dangerous maneuver.

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

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme d'affichage sonore d'horlogerie à répétition chronographe pour l'affichage sonore, par un mécanisme de sonnerie, d'une durée mesurée par un mécanisme de chronographe, ledit mécanisme de chronographe comportant un mécanisme de commande comprenant une came de commande de position variable, et ledit mécanisme de sonnerie comportant un poussoir d'armage agencé pour être manipulé selon une direction de poussoir unique par un utilisateur pour déclencher l'affichage sonore de la durée chronométrée par ledit mécanisme de chronographe, ledit mécanisme de sonnerie comportant aussi une commande d'armage agencée pour entraîner une crémaillère pour mouvoir une pièce de sonnerie pour la lecture de la grandeur concernée et déclencher une sonnerie correspondante.The invention relates to a chronograph repeating sound display mechanism for the sound display, by a striking mechanism, of a duration measured by a chronograph mechanism, said chronograph mechanism comprising a control mechanism comprising a variable position control cam, and said strike mechanism comprising a winding pusher arranged to be manipulated in a single pusher direction by a user to trigger the audible display of the time measured by said chronograph mechanism, said winding mechanism bell also comprising a winding control arranged to drive a rack to move a bell piece for reading the quantity concerned and trigger a corresponding bell.

L'invention concerne encore une pièce d'horlogerie, notamment une montre, comportant un tel mécanisme d'affichage sonore.The invention also relates to a timepiece, in particular a watch, comprising such a sound display mechanism.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie.The invention relates to the field of clockwork display mechanisms.

Arrière-plan de l'inventionBackground of the invention

Certains affichages de pièces d'horlogerie sont parfois difficiles à lire, en particulier quand la pièce d'horlogerie est une montre de petites dimensions, comme une montre dame, ou encore une montre compliquée, comportant un grand nombre d'affichages, chacun occupant alors une surface nécessairement restreinte, ou venant en superposition d'autres afficheurs, ce qui peut rendre l'interprétation imprécise pour l'utilisateur, ce qui est paradoxal quand il s'agit d'une mesure de précision du temps.Certain displays of timepieces are sometimes difficult to read, in particular when the timepiece is a watch of small dimensions, such as a ladies' watch, or even a complicated watch, comprising a large number of displays, each then occupying a necessarily small area, or superimposed on other displays, which can make the interpretation imprecise for the user, which is paradoxical when it comes to a precise measurement of time.

La lecture d'un affichage peut encore être perturbée par une faible luminosité ambiante comme en plongée, ou dans certaines plages horaires de nuit ou de crépuscule, ou au contraire être perturbée par des éclairages parasites générateurs d'ombres rendant les indications illisibles, ou encore en raison d'une déficience visuelle de l'utilisateur ou de conditions particulières d'emploi, comme le vol de nuit ou certaines opérations particulières. C'est d'ailleurs la raison pour laquelle les horlogers du XVIIIème et du XIXème siècle ont développé les montres à sonnerie, au passage ou à répétition, ou encore les montres à tact permettant d'avoir une information tactile.Reading a display may still be disturbed by low ambient light, such as when diving, or in certain time slots at night or twilight, or on the contrary be disturbed by parasitic lighting that generates shadows making the indications unreadable, or even due to a visual impairment of the user or special conditions of use, such as night flight or certain special operations. This is also the reason why watchmakers of the 18th and 19th centuries developed striking, passing or repeating watches, or even tact watches allowing tactile information to be obtained.

La demande EP3495895 du même déposant décrit un mécanisme de chronographe lié à mécanisme de sonnerie externe ou interne pour effectuer, en particulier à la demande, un affichage sonore d'une durée mesurée par le mécanisme de chronographe, ce mécanisme constitue une répétition chronographe. Quand le mécanisme de chronographe est en marche, les cames de seconde et dizaines de secondes qui sont solidaires du mobile chronographe tournent avec celui-ci. Si on venait à enclencher la répétition chronographe pendant que les cames tournent, on viendrait bloquer le mécanisme avec de forts risques de casse. C'est pourquoi il est nécessaire d'empêcher qu'on puisse enclencher la répétition chronographe pendant que le mécanisme de chronographe est en marche.Requirement EP3495895 by the same applicant describes a chronograph mechanism linked to an external or internal striking mechanism in order to perform, in particular on demand, a sound display of a duration measured by the chronograph mechanism, this mechanism constituting a chronograph repeater. When the chronograph mechanism is running, the seconds and tens of seconds cams which are integral with the chronograph mobile rotate with the latter. If we were to engage the chronograph repeater while the cams are turning, we would block the mechanism with a high risk of breakage. This is why it is necessary to prevent that the chronograph repeater can be engaged while the chronograph mechanism is in operation.

Le brevet CH102A au nom de REBER décrit des perfectionnements apportés à la construction des mécanismes de répétition pour montres :

  • la bascule actionnant la répétition a son point de pivotement sur la platine près du centre de la montre, et non sur le pivot de la crémaillère, pour assurer un tirage plus doux de la targette de répétition ;
  • les deux marteaux pivotent sur le même tigeron, ce qui fait gagner beaucoup de place; il en résulte que pour une montre à répétition du calibre 19", par exemple, on peut utiliser les mêmes rouages que pour une montre ordinaire de 19", tandis que dans les répétitions antérieures les marteaux prenaient tant de place qu'on était obligé d'utiliser les rouages des montres ordinaires de 17" ce qui renchérissait la pièce ;
  • au lieu de placer sur le rochet de sonnerie une goupille à laquelle se croche une crémaillère portée par le levier de chute des quarts et actionnée par un petit ressort, une crémaillère est fixée sur le rochet de sonnerie, et le levier de chute des quarts comporte un crochet à talon formé de façon à ce qu'un seul fort ressort, fixé à la platine et s'appuyant sur le talon de ce crochet, serve tout à la fois à faire chuter le levier des quarts sur le colimaçon des quarts, et à produire l'accrochement du crochet à la crémaillère des quarts.
The CH102A patent in the name of REBER describes improvements made to the construction of repeating mechanisms for watches:
  • the lever actuating the repeater has its pivot point on the plate near the center of the watch, and not on the pivot of the rack, to ensure a smoother pulling of the repeater bolt;
  • the two hammers pivot on the same tigeron, which saves a lot of space; as a result, for a 19 "caliber repeater watch, for example, the same cogs can be used as for an ordinary 19" watch, while in previous repeats the hammers took up so much space that one had to 'use the cogs of ordinary 17 "watches which made the item more expensive;
  • instead of placing a pin on the striking ratchet to which is hooked a rack carried by the quarter drop lever and actuated by a small spring, a rack is attached to the striking ratchet, and the quarter drop lever has a heel hook formed so that a single strong spring, fixed to the plate and resting on the heel of this hook, simultaneously serves to make the quarter lever drop onto the quarter spiral, and to produce the attachment of the hook to the rack of the quarters.

Résumé de l'inventionSummary of the invention

L'invention se propose d'apporter une sécurité de fonctionnement à un mécanisme de répétition chronographe, couplant à un affichage visuel classique un affichage sonore, ou remplaçant un affichage visuel classique par un affichage sonore, pour prévenir tout enclenchement du mécanisme de sonnerie pendant que le mécanisme de chronographe fonctionne, pour mesurer une durée, ou lors d'une remise à zéro.The invention proposes to provide operational safety to a chronograph repeater mechanism, coupling a conventional visual display to a sound display, or replacing a conventional visual display by an audio display, to prevent any engagement of the striking mechanism while the chronograph mechanism operates, to measure a duration, or during a reset.

A cet effet, l'invention concerne un mécanisme d'affichage sonore d'horlogerie selon la revendication 1.To this end, the invention relates to an audible clockwork display mechanism according to claim 1.

L'invention concerne encore une pièce d'horlogerie, notamment une montre, comportant un tel mécanisme de répétition chronographe.The invention also relates to a timepiece, in particular a watch, comprising such a chronograph repeating mechanism.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • les figures 1 à 3 représente, de façon schématisée, et en plan, un détail d'un mécanisme de chronographe selon l'invention, montrant l'interface entre le mécanisme de commande du mécanisme de chronographe, et le mécanisme de commande de la répétition de sonnerie, illustré dans le cas particulier et non limitatif où le mécanisme de commande du mécanisme de chronographe comporte une roue à colonnes ;
  • les figures 1 et 2 correspondent à la position de repos du mécanisme de chronographe, qui n'est activé, ni pour la mesure d'une durée, ni pour une remise à zéro :
  • la figure 1 montre un poussoir d'armage en position d'attente, autorisant la poussée d'une commande d'armage ;
  • la figure 2 montre la position en fin de course de poussée de ce même poussoir d'armage, après poussée complète de cette commande d'armage, avec le déclenchement du pivotement d'une crémaillère de sonnerie initialisant un cycle de sonnerie de la valeur mesurée par le mécanisme de chronographe ;
  • la figure 3 correspond à un cycle de mesure ou de remise à zéro en cours d'exécution au niveau du mécanisme de chronographe, dans une position où le mécanisme de sécurité propre à l'invention, qui est situé entre le mécanisme de chronographe proprement dit et le mécanisme de sonnerie proprement dit, interdit toute action du poussoir d'armage sur la commande d'armage, et interdit donc tout démarrage de cycle de sonnerie tant que le mécanisme de chronographe n'a pas achevé le cycle en cours.
  • la figure 4 est un schéma-blocs représentant une pièce d'horlogerie, notamment une montre, où le mécanisme de sonnerie est distinct du mécanisme d'affichage ;
  • la figure 5 est un schéma-blocs représentant une pièce d'horlogerie, notamment une montre, où le mécanisme de sonnerie est intégré au mécanisme d'affichage.
Other characteristics and advantages of the invention will become apparent on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figures 1 to 3 represents, schematically and in plan, a detail of a chronograph mechanism according to the invention, showing the interface between the control mechanism of the chronograph mechanism, and the control mechanism of the strike repetition, illustrated in the particular and non-limiting case where the control mechanism of the chronograph mechanism comprises a column wheel;
  • the figures 1 and 2 correspond to the rest position of the chronograph mechanism, which is not activated, neither for the measurement of a duration, nor for a reset:
  • the figure 1 shows a winding push-button in the waiting position, allowing the pushing of a winding command;
  • the figure 2 shows the position at the end of the thrust stroke of this same winding pushbutton, after full thrust of this winding command, with the triggering of the pivoting of a ringing rack initiating a ringing cycle of the value measured by the mechanism chronograph;
  • the figure 3 corresponds to a measurement or reset cycle in progress at the level of the chronograph mechanism, in a position where the safety mechanism specific to the invention, which is located between the chronograph mechanism itself and the mechanism ringing proper, prohibits any action of the winding push-button on the winding control, and therefore prohibits any start of the striking cycle until the chronograph mechanism has completed the cycle in progress.
  • the figure 4 is a block diagram representing a timepiece, in particular a watch, where the striking mechanism is distinct from the display mechanism;
  • the figure 5 is a block diagram representing a timepiece, in particular a watch, where the striking mechanism is integrated into the display mechanism.

Description détaillée des modes de réalisation préférésDetailed description of the preferred embodiments

L'invention concerne un mécanisme d'affichage sonore 500 d'horlogerie, pour une pièce d'horlogerie 1000, notamment une montre, ou encore un appareil de chronométrage sportif ou autre, ou encore une pendule, ou autre.The invention relates to a sound display mechanism 500 for a timepiece, for a timepiece 1000, in particular a watch, or else a sports or other timing device, or even a clock, or the like.

Cette pièce d'horlogerie 1000 comporte classiquement un mouvement, et des moyens de stockage d'énergie, pour au moins l'entraînement d'un oscillateur, qui ne sont pas détaillés ici. Cette pièce d'horlogerie 1000 peut encore comporter une boîte à musique.This timepiece 1000 conventionally comprises a movement, and energy storage means, for at least driving an oscillator, which are not detailed here. This timepiece 1000 may still include a music box.

Ce mécanisme d'affichage 500 comporte au moins un mobile d'affichage rotatif, notamment lié à un afficheur tel qu'aiguille, disque, ou similaire, pour l'affichage d'une grandeur autre que l'heure du temps courant. Par « grandeur autre que l'heure du temps courant », on entend une grandeur telle qu'une durée pour un mécanisme de chronographe, ou un décompte d'actions sur un poussoir pour un appareil d'arbitrage sportif, ou similaire.This display mechanism 500 comprises at least one rotary display mobile, in particular linked to a display such as a hand, disc, or the like, for displaying a quantity other than the time of the current time. By “quantity other than the hour of current time” is meant a quantity such as a duration for a chronograph mechanism, or a count of actions on a push-piece for a sports arbitration apparatus, or the like.

Ce mécanisme d'affichage 500 est un mécanisme d'affichage sonore. A cet effet, le mobile d'affichage rotatif est solidaire, au moins en rotation, d'un came d'affichage dont le pourtour coopère avec le palpeur d'une pièce de sonnerie que comporte un mécanisme de sonnerie 1, lequel est intégré ou juxtaposé au mécanisme d'affichage 500, pour sonner une valeur numérique caractéristique de la grandeur mesurée.This display mechanism 500 is a sound display mechanism. To this end, the rotary display mobile is integral, at least in rotation, with a display cam, the periphery of which cooperates with the feeler of a striking part which comprises a striking mechanism 1, which is integrated or juxtaposed with the display mechanism 500, to sound a digital value characteristic of the quantity measured.

L'invention est décrite plus particulièrement, et non limitativement, pour un affichage effectué à la demande, par action d'un utilisateur sur un organe de commande, tel que poussoir d'armage 390 tel qu'illustré par les figures, ou targette, couronne, lunette, ou tout autre actionneur.The invention is described more particularly, and without limitation, for a display carried out on demand, by action of a user on a control member, such as winding push button 390 as illustrated by the figures, or bolt, crown, bezel, or any other actuator.

Dans l'application particulière et non limitative illustrée par les figures, ce mécanisme d'affichage 500 comporte un mécanisme de chronographe 100, qui comporte au moins un mobile de chronographe pour le décompte des secondes, et un mobile de compteur minutes pour le décompte des minutes.In the particular and non-limiting application illustrated by the figures, this display mechanism 500 comprises a chronograph mechanism 100, which comprises at least one chronograph mobile for counting seconds, and a minute counter mobile for counting downs. minutes.

Plus particulièrement, ce mécanisme d'affichage 500 est un mécanisme de répétition chronographe, tel que décrit dans la demande EP3495895 du même déposant. Ce mécanisme de répétition chronographe est agencé pour fournir, après l'arrêt en fin d'une mesure de durée d'une durée chronométrée effectuée par le mécanisme de chronographe 100, les informations relatives à la durée chronométrée, notamment en minutes et secondes, à un mécanisme de sonnerie 1 que comporte le mécanisme de chronographe 100 ou auquel est juxtaposé le mécanisme de chronographe 100, pour sonner notamment au moins les minutes et les secondes de la durée chronométrée. Ce mécanisme de sonnerie 1 comporte les pièces de commande de sonnerie (notamment minutes et secondes, ou encore dizaines de secondes ou autre) nécessaires, pour sonner au moins les unités correspondantes de la durée chronométrée.More particularly, this display mechanism 500 is a chronograph repeater mechanism, as described in the application. EP3495895 from the same depositor. This chronograph repeating mechanism is designed to provide, after stopping at the end of a duration measurement of a timed duration carried out by the chronograph mechanism 100, the information relating to the measured duration, in particular in minutes and seconds, to a striking mechanism 1 which the chronograph mechanism 100 comprises or to which the chronograph mechanism 100 is juxtaposed, in particular to strike at least the minutes and the seconds of the measured duration. This ringing mechanism 1 comprises the ringing control parts (in particular minutes and seconds, or even tens of seconds or other) necessary to ring at least the corresponding units of the timed duration.

Ce mécanisme d'affichage sonore 500 d'horlogerie à répétition chronographe permet l'affichage sonore, par un mécanisme de sonnerie 1, d'une durée mesurée par un mécanisme de chronographe 100.This sound display mechanism 500 of chronograph repeating clockwork enables the sound display, by a striking mechanism 1, of a duration measured by a chronograph mechanism 100.

Selon l'invention, ce mécanisme de sonnerie 1 comporte une commande d'armage 39, qui est agencée pour entraîner une crémaillère 33 pour mouvoir une pièce de sonnerie pour la lecture de la grandeur concernée et déclencher une sonnerie correspondante. Ce mécanisme d'affichage sonore 500 comporte, entre le mécanisme de commande du mécanisme de chronographe 100 et la commande d'armage 39, une liaison mécanique agencée pour, selon la position d'une came de commande 60, 54 du mécanisme de chronographe 100 définissant indirectement une direction secondaire variable B de la commande d'armage 39, isoler ou non la commande d'armage 39 d'un poussoir d'armage 390 manipulé selon une direction de poussoir A unique par un utilisateur pour déclencher l'affichage sonore de la durée chronométrée.According to the invention, this striking mechanism 1 comprises a winding control 39, which is arranged to drive a rack 33 to move a striking part for reading the quantity concerned and to trigger a corresponding ringing. This sound display mechanism 500 comprises, between the control mechanism of the chronograph mechanism 100 and the winding control 39, a mechanical connection arranged for, depending on the position of a control cam 60, 54 of the chronograph mechanism 100 indirectly defining a variable secondary direction B of the winding control 39, whether or not to isolate the winding control 39 from a winding push-button 390 manipulated in a single direction of push-button A by a user to trigger the sound display of the timed duration.

Plus particulièrement, le mécanisme de chronographe 100 comporte un mécanisme de commande, lequel comporte une came de commande 60, telle que roue à colonnes 54, ou came de commande, ou autre. Le mécanisme de chronographe 100 comporte au moins un mobile d'affichage rotatif, tel que mobile des secondes ou mobile des minutes, qui est solidaire au moins en rotation d'une came d'affichage correspondante, dont le pourtour coopère avec le palpeur d'une pièce de sonnerie correspondante, que comporte le mécanisme de sonnerie 1, pour sonner une valeur numérique caractéristique d'une durée chronométrée mesurée par le mécanisme de chronographe 100.More particularly, the chronograph mechanism 100 comprises a control mechanism, which comprises a control cam 60, such as column wheel 54, or control cam, or the like. The chronograph mechanism 100 comprises at least one rotary display mobile, such as seconds mobile or minutes mobile, which is at least rotatably secured to a corresponding display cam, the periphery of which cooperates with the feeler of a corresponding striking part, which the striking mechanism 1 comprises, for striking a characteristic digital value of a timed duration measured by the chronograph mechanism 100.

Le mécanisme de sonnerie 1 comporte une commande d'armage 39, qui est agencée pour déclencher la lecture de cette durée chronométrée sur chaque came d'affichage. Plus particulièrement, et non limitativement, cette commande d'armage 39 est agencée pour entraîner une crémaillère 33 à rencontre de moyens de rappel élastique constituant des moyens moteurs du mécanisme de sonnerie 1, pour mouvoir une pièce de sonnerie pour chaque came d'affichage pour la lecture de la grandeur concernée, par exemple pièce des minutes sur une came-limaçon des minutes, pièce des secondes sur une came-limaçon des secondes, pièce des dizaines de secondes sur une came des dizaines de secondes, ou similaire.The striking mechanism 1 comprises a winding control 39, which is arranged to trigger the reading of this timed duration on each display cam. More particularly, and without limitation, this winding command 39 is arranged to drive a rack 33 against elastic return means constituting motor means of the striking mechanism 1, to move a striking part for each display cam for reading the quantity concerned, for example minute part on a minutes cam-snail, seconds part on a seconds cam-snail, tens of seconds part on a tens of seconds cam, or similar.

La liaison mécanique d'isolement est agencée pour, selon la position d'une telle came de commande 60 ou 54, que comporte le mécanisme de chronographe 100, isoler ou non la commande d'armage 39 du poussoir d'armage 390.The mechanical isolation link is arranged so, depending on the position of such a control cam 60 or 54, which the chronograph mechanism 100 comprises, to isolate or not the winding control 39 from the winding push-button 390.

Plus particulièrement, cette liaison mécanique d'isolement comporte au moins une bascule de sécurité 50, en appui sur la came de commande 60 ou 54, et en appui, ou de préférence articulée comme sur la réalisation illustrée par les figures, sur ou avec la commande d'armage 39.More particularly, this mechanical isolation connection comprises at least one safety lever 50, resting on the control cam 60 or 54, and resting, or preferably articulated as in the embodiment illustrated by the figures, on or with the arming control 39.

Le mécanisme de chronographe 100 comporte classiquement des moyens de commande externes accessibles à l'utilisateur, tel que poussoir départ-arrêt, poussoir de retour à zéro, ou similaires, et notamment tels que décrits dans l'ouvrage l'ouvrage collectif « Théorie d'horlogerie » de MM. Reymondin, Monnier, Jeanneret, Pelaratti, édité par la FET (Fédération des écoles techniques) en Suisse, au chapitre 11. Pour la fonction départ-arrêt, ces moyens de commande externes entraînent en général une commande 56, qui tire ou pousse une came de commande 60, notamment une came pivotante, telle qu'une roue à colonnes 54, ou une came comportant une navette supérieure et une navette inférieure, ou autre.The chronograph mechanism 100 conventionally comprises external control means accessible to the user, such as a start-stop push-button, return-to-zero push-button, or the like, and in particular as described in the collective work “Théorie d 'watchmaking' by MM. Reymondin, Monnier, Jeanneret, Pelaratti, published by the FET (Federation of technical schools) in Switzerland, in chapter 11. For the start-stop function, these external control means generally lead to a control 56, which pulls or pushes a cam control 60, in particular a pivoting cam, such as a column wheel 54, or a cam comprising an upper shuttle and a lower shuttle, or the like.

L'invention est applicable aussi bien à un chronographe mono-poussoir tel qu'illustré par les figures, utilisable pour déclencher les commandes de départ START, arrêt STOP, et remise à zéro RAZ, qu'à un mécanisme de chronographe à deux poussoirs, l'un pour marche-arrêt, l'autre pour la remise à zéro, selon la même logique, qui consiste à mouvoir, lors de l'actionnement de l'un quelconque des deux poussoirs pour un départ ou une remise à zéro, un mécanisme d'isolement, comportant une bascule de sécurité exposée ci-après, agencée pour rendre inopérante toute commande manuelle du mécanisme de sonnerie pendant que l'une des fonctions START ou RAZ du mécanisme de chronographe est active.The invention is applicable both to a single-push-button chronograph as illustrated in the figures, which can be used to trigger the start commands START, stop STOP, and reset to zero, as well as to a chronograph mechanism with two push-buttons, one for start-stop, the other for reset, according to the same logic, which consists of moving, when any of the two push-buttons are actuated for a start or a reset, a isolation mechanism, comprising a safety latch described below, designed to render any manual control of the striking mechanism inoperative while one of the START or RESET functions of the chronograph mechanism is active.

Cette came de commande 60 comporte une succession de parties saillantes 61 et de parties rentrantes 62, soit axialement, soit radialement, de façon à ce qu'une bascule de sécurité 50, qui est maintenue en appui sur cette came de commande 60 par des moyens de rappel élastique de sécurité 52, occupe des positions angulaires différentes, selon qu'un palpeur 53, que comporte cette bascule de sécurité 50, vient coopérer avec une partie saillante 61 ou une partie rentrante 62.This control cam 60 comprises a succession of projecting parts 61 and re-entrant parts 62, either axially or radially, so that a safety latch 50, which is kept resting on this control cam 60 by elastic safety return means 52, occupies different angular positions, depending on whether a feeler 53, which this safety lever 50 comprises, cooperates with a projecting part 61 or a re-entrant part 62.

Dans une application particulière et non limitative illustrée par les figures, le mécanisme de chronographe 100 comporte une roue à colonnes 54, avec un rochet 59 agencé pour être tracté par le crochet 57 d'une commande 56 soumise au rappel d'un ressort de commande 58. Cette roue à colonnes 54 comporte des colonnes 540, constituant des parties saillantes 61 et comportant une périphérie 542 sensiblement cylindrique. Ces colonnes 540 sont séparées par des encoches 541 constituant des parties rentrantes 62. Cette roue à colonnes est classiquement maintenue en position par un sautoir 55, ou similaire.In a particular and non-limiting application illustrated by the figures, the chronograph mechanism 100 comprises a column wheel 54, with a ratchet 59 arranged to be towed by the hook 57 of a control 56 subjected to the return of a control spring. 58. This column wheel 54 comprises columns 540, constituting projecting parts 61 and comprising a substantially cylindrical periphery 542. These columns 540 are separated by notches 541 constituting re-entrant parts 62. This column wheel is conventionally held in position by a jumper 55, or the like.

La bascule de sécurité 50 est ainsi commandée par la came de commande 60, notamment la roue à colonnes 54, de chronographe, et peut positionner la commande d'armage 39 du mécanisme de répétition chronographe dans deux positions, via une goupille 51 solidaire de la bascule de sécurité 50, et qui agit comme articulation dans une ouverture oblongue dite ganse 393 de la commande d'armage 39.The safety lever 50 is thus controlled by the control cam 60, in particular the column wheel 54, of the chronograph, and can position the winding control 39 of the chronograph repeating mechanism in two positions, via a pin 51 integral with the safety latch 50, and which acts as an articulation in an oblong opening called loop 393 of the winding control 39.

La commande d'armage 39 est ici soumise à un appui longitudinal d'un poussoir d'armage 390, lequel est mobile selon une direction de poussoir A unique. La ganse 393 définit une direction secondaire B, qui n'est pas fixe puisqu'elle dépend de la position angulaire de la bascule de sécurité 50, qui pivote autour de son axe de bascule C.The winding control 39 is here subjected to a longitudinal support of a winding pusher 390, which is movable in a single pusher direction A. The loop 393 defines a secondary direction B, which is not fixed since it depends on the angular position of the safety lever 50, which pivots around its rocker axis C.

On comprend que la liaison mécanique d'isolement autorise la manoeuvre de la commande d'armage 39 par le poussoir d'armage 390 quand la direction secondaire B est confondue avec la direction de poussoir A, et l'interdit quand la direction secondaire B et la direction de poussoir A divergent.It will be understood that the mechanical isolation link allows the operation of the winding control 39 by the winding push button 390 when the secondary direction B coincides with the direction of push button A, and prohibits it when the secondary direction B and the direction of pusher A diverge.

La figure 1 illustre une position dans laquelle le palpeur 53 de la bascule de sécurité 50 est engagé dans une encoche 541, entre deux colonnes 542, ce qui correspond au chronographe arrêté (STOP). Dans cette position, la bascule de sécurité 50 est dans une position dite « basse », où la direction de poussoir A du poussoir d'armage 390 et la direction secondaire B de la commande d'armage 39 sont alignées: la commande d'armage 39 se trouve en face du poussoir d'armage 390. La goupille 51 de la bascule de sécurité est au niveau d'une première extrémité 391 de la ganse 393, dont toute la course est disponible. L'utilisateur peut ainsi pousser le poussoir d'armage 90, et par conséquent pousser la commande d'armage 39, pour enclencher la répétition chronographe.The figure 1 illustrates a position in which the feeler 53 of the safety lever 50 is engaged in a notch 541, between two columns 542, which corresponds to the stopped chronograph (STOP). In this position, the safety latch 50 is in a so-called "low" position, where the direction of push-button A of the winding push-button 390 and the secondary direction B of the winding control 39 are aligned: the winding control 39 is located opposite the winding pusher 390. The pin 51 of the safety latch is at a first end 391 of the loop 393, the entire stroke of which is available. The user can thus push the winding pushbutton 90, and consequently push the winding control 39, to engage the chronograph repeater.

La figure 2 illustre la position en fin de poussée par l'utilisateur, toujours en position STOP du chronographe. La goupille 51 de la bascule de sécurité est passée à la deuxième extrémité392 de la ganse 393, opposée à la première extrémité 391. La poussée de la commande d'armage 39 fait pivoter la crémaillère 33 autour de son axe D, par action de la goupille 394 portée par la commande d'armage 39, et déclenche la lecture sonore de la valeur de durée mesurée par le mécanisme de chronographe 100. La crémaillère 33 engrène ici, de façon non limitative, avec un pignon de crémaillère 31 solidaire en rotation d'un rochet des minutes 32.The figure 2 illustrates the position at the end of the push by the user, still in the STOP position of the chronograph. The pin 51 of the safety latch is passed to the second end 392 of the loop 393, opposite the first end 391. The thrust of the winding control 39 causes the rack 33 to pivot around its axis D, by the action of the pin 394 carried by the winding control 39, and triggers the sound reading of the time value measured by the chronograph mechanism 100. The rack 33 meshes here, without limitation, with a rack pinion 31 integral in rotation with 'a 32 minute ratchet.

La figure 3 illustre le cas où le mécanisme de chronographe 100 fonctionne, et est en train d'effectuer la mesure d'une durée (START), ou une remise à zéro (RAZ) dans le cas particulier de la figure. Le palpeur 53 de la bascule de sécurité 50 est cette fois en appui sur la périphérie 542 d'une colonne 540, ce qui amène la bascule de sécurité 50 dans une position angulaire dite « haute », différente de la position « basse » qu'elle occupe sur les figures 1 et 2, et qui conduit à un désalignement entre la direction de poussoir A du poussoir d'armage 390 et la direction secondaire B de la commande d'armage 39. De ce fait, si l'utilisateur vient presser sur le poussoir d'armage 390, il ne peut rien se passer, car ce poussoir d'armage 390 agit dans le vide, ne rencontrant sur sa course aucun mobile à commander.The figure 3 illustrates the case where the chronograph mechanism 100 operates, and is in the process of measuring a duration (START), or a reset (RESET) in the particular case of the figure. The feeler 53 of the safety latch 50 is this time resting on the periphery 542 of a column 540, which brings the safety latch 50 into a so-called "high" angular position, different from the "low" position than she occupies on figures 1 and 2 , and which leads to a misalignment between the direction of pusher A of the winding pusher 390 and the secondary direction B of the winding control 39. As a result, if the user presses on the winding pusher 390, nothing can happen, because this winding pusher 390 acts in a vacuum, not encountering any moving part to control in its course.

On comprend que cette configuration permet de prévenir tout risque d'arrêt du mouvement ou de casse : l''utilisateur ne peut enclencher la répétition chronographe que quand il en a le droit, c'est-à-dire quand le mécanisme de chronographe 100 est inopérant.It is understood that this configuration makes it possible to prevent any risk of stopping the movement or of breakage: the user can only engage the chronograph repeater when he has the right to do so, that is to say when the chronograph mechanism 100 is inoperative.

L'invention s'applique de façon similaire, dans une variante non illustrée, à un mécanisme de commande à came. Il faut alors que la bascule de sécurité soit en position "haute" en START et RAZ et en position "basse" en STOP. Il est possible d'ajouter un mobile comportant une came, ou encore d'usiner une forme de came dans une partie non utilisée de la navette, notamment sur la périphérie de la navette inférieure, ou bien en rapportant sur la navette inférieure une came ou une denture reproduisant les fonctions des colonnes et des dégagements entre colonnes, qui sont exposées ici dans l'exemple avec roue à colonnes illustré par les figures.The invention applies similarly, in a variant not illustrated, to a cam control mechanism. The safety rocker must then be in "high" position in START and RESET and in "low" position in STOP. It is possible to add a mobile comprising a cam, or even to machine a cam shape in an unused part of the shuttle, in particular on the periphery of the lower shuttle, or by attaching a cam or cam to the lower shuttle. a set of teeth reproducing the functions of the columns and the clearances between columns, which are presented here in the example with a column wheel illustrated by the figures.

L'invention peut mettre en œuvre un mécanisme de sonnerie plus complexe que ceux exposés dans l'ouvrage cité en référence, notamment avec plusieurs sonneries ou mélodies comme sur les demandes de brevets au nom de la Société BLANCPAIN : sonnerie classique ou un jeu de mélodie, mécanisme de sonnerie à plusieurs étages avec des pièces à râteaux différents.The invention can implement a more complex ringing mechanism than those exposed in the book cited as a reference, in particular with several ringing tones or melodies as in the patent applications in the name of the BLANCPAIN Company: classic ringing or a melody set. , multistage striking mechanism with parts with different rakes.

L'invention concerne encore une pièce d'horlogerie 1000, notamment une montre, comportant un tel mécanisme d'affichage 500.The invention also relates to a timepiece 1000, in particular a watch, comprising such a display mechanism 500.

Dans un mode de réalisation, le mécanisme de sonnerie 1 est intégré audit mécanisme d'affichage 500.In one embodiment, the striking mechanism 1 is integrated with said display mechanism 500.

Si le mécanisme d'affichage sonore décrit ci-dessus est conçu comme un doublage d'un affichage visuel classique, il peut également se substituer à ce dernier.If the sound display mechanism described above is designed as a duplication of a conventional visual display, it can also replace the latter.

L'invention permet d'ajouter une sécurité utile à un mécanisme d'affichage de type répétition chronographe, qui combine un mécanisme de chronographe et un mécanisme de sonnerie, qui sont connus pour être les mécanismes horlogers les plus complexes et les plus délicats, et qu'il est nécessaire de protéger contre toute manœuvre dangereuse.The invention allows useful security to be added to a chronograph repeater type display mechanism, which combines a chronograph mechanism and a striking mechanism, which are known to be the most complex and delicate horological mechanisms, and that it is necessary to protect against any dangerous maneuver.

Claims (9)

  1. Acoustic timepiece display mechanism (500 with a chronograph repeater for the acoustic display, by a striking mechanism (1), of a duration measured by a chronograph mechanism (100), said chronograph mechanism (100) comprising a control mechanism including a control cam (60, 54) whose position is variable, and said striking mechanism (1) including a winding pusher (390) arranged to be operated in a single pusher direction (A) by a user to set off the acoustic display of the duration timed by said chronograph mechanism (100), said striking mechanism (1) also comprising a winding lever (39) arranged to drive a rack (33) to move a striking rack to read the magnitude concerned and to release a corresponding strike function, characterized in that said winding lever (39) is arranged in a variable secondary direction (B), and in that said acoustic display mechanism (500) includes, between said control mechanism and said winding lever (39), a mechanical connection, arranged, depending on the position of said control cam (60 54), to isolate or not to isolate said winding lever (39) from said winding pusher (390).
  2. Acoustic display mechanism (500) according to claim 1, characterized in that said striking mechanism includes at least one said striking rack formed by a minute rack arranged to cooperate with a minute snail cam and/or by a tens-of-seconds rack arranged to cooperate with a tens-of-seconds cam, and/or by a seconds rack arranged to cooperate with a seconds snail cam, and in that said chronograph mechanism (100) includes at least one rotating display wheel set integral, at least in rotation, with a specific display cam arranged to cooperate with a said specific striking rack, and whose rim is arranged to cooperate with the beak of said specific striking rack, and characterized in that said winding lever (39) is arranged to start the reading of said timed duration on each said specific display cam corresponding to a said specific striking rack, and to drive said rack (33) against elastic return means forming drive means for said striking mechanism (1) to move each said striking rack for each said corresponding display cam in order to read the magnitude concerned.
  3. Acoustic display mechanism (500) according to claim 1 or 2, characterized in that said mechanical isolation connection includes at least one safety lever (50), resting on said control cam (60, 54), and resting on or articulated with said winding lever (39).
  4. Acoustic display mechanism (500) according to claim 3, characterized in that said control cam (60, 54) includes a series of protruding portions (61) and recessed portions (62), either axially or radially, such that said safety lever (50), which is held resting on said control cam (60, 54) by safety elastic return means (52), occupies different angular positions, depending on whether a beak (53), comprised in said safety lever (50), cooperates with a said protruding portion (61) or a said recessed portion (62).
  5. Acoustic display mechanism (500) according to claim 3 or 4, characterized in that said safety lever (50), arranged to be controlled by said control cam (60, 54) is arranged to position said winding lever (39) of the chronograph repeater mechanism in two positions, via a pin (51) integral with said safety lever (50), and which acts as an articulation in an oblong opening (393) comprised in said winding lever (39), which opening (393) defines said variable secondary direction (B), which is not fixed since it depends on the angular position of said safety lever (50), which is pivotally mounted about a lever axis (C).
  6. Acoustic display mechanism (500) according to claim 5, characterized in that said mechanical isolation connection allows said winding lever (39) to be operated by said winding pusher (390) when said secondary direction B coincides with said pusher direction (A), and prevents said operation when said secondary direction (B) and said pusher direction (A) diverge.
  7. Timepiece (1000) including an acoustic display mechanism (500) according to claim 1 to 6.
  8. Timepiece (1000) according to claim 7, characterized in that said striking mechanism (1) is integrated in said acoustic display mechanism (500).
  9. Timepiece (1000) according to claim 7 to 8, characterized in that said timepiece (1000) is a watch.
EP17208302.4A 2017-12-19 2017-12-19 Chronograph repetition mechanism with safety Active EP3502801B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP17208302.4A EP3502801B1 (en) 2017-12-19 2017-12-19 Chronograph repetition mechanism with safety
TW107136510A TWI673581B (en) 2017-12-19 2018-10-17 Chronograph repeater mechanism with safety function
US16/164,868 US11249443B2 (en) 2017-12-19 2018-10-19 Chronograph repeater mechanism with safety function
JP2018206274A JP6691590B2 (en) 2017-12-19 2018-11-01 Chronograph repeater mechanism with safety function
KR1020180149744A KR102171674B1 (en) 2017-12-19 2018-11-28 Chronograph repeater mechanism with safety function
RU2018144719A RU2699928C1 (en) 2017-12-19 2018-12-18 Chronograph repeater mechanism with safety function
CN201811549882.1A CN109932883B (en) 2017-12-19 2018-12-18 Time-inquiring mechanism of timer with safety function

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EP17208302.4A EP3502801B1 (en) 2017-12-19 2017-12-19 Chronograph repetition mechanism with safety

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EP3502801A1 EP3502801A1 (en) 2019-06-26
EP3502801B1 true EP3502801B1 (en) 2021-02-17

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JP (1) JP6691590B2 (en)
KR (1) KR102171674B1 (en)
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TWI673581B (en) 2019-10-01
JP2019109223A (en) 2019-07-04
US20190187627A1 (en) 2019-06-20
JP6691590B2 (en) 2020-04-28
CN109932883A (en) 2019-06-25
KR102171674B1 (en) 2020-10-30
CN109932883B (en) 2020-09-15
TW201928548A (en) 2019-07-16
EP3502801A1 (en) 2019-06-26
US11249443B2 (en) 2022-02-15
KR20190074214A (en) 2019-06-27
RU2699928C1 (en) 2019-09-11

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