EP1372117B1 - Mechanism for chronograph - Google Patents

Mechanism for chronograph Download PDF

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Publication number
EP1372117B1
EP1372117B1 EP02013067A EP02013067A EP1372117B1 EP 1372117 B1 EP1372117 B1 EP 1372117B1 EP 02013067 A EP02013067 A EP 02013067A EP 02013067 A EP02013067 A EP 02013067A EP 1372117 B1 EP1372117 B1 EP 1372117B1
Authority
EP
European Patent Office
Prior art keywords
state
pusher
coupling
wheel
counting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02013067A
Other languages
German (de)
French (fr)
Other versions
EP1372117A1 (en
Inventor
Robert Greubel
Stephen Edward Methuen Forsey
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.)
Vaucher Manufacture Fleurier SA
Original Assignee
Vaucher Manufacture Fleurier 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
Priority to DE60226132T priority Critical patent/DE60226132T2/en
Application filed by Vaucher Manufacture Fleurier SA filed Critical Vaucher Manufacture Fleurier SA
Priority to ES02013067T priority patent/ES2303537T3/en
Priority to EP02013067A priority patent/EP1372117B1/en
Priority to AT02013067T priority patent/ATE392679T1/en
Priority to RU2005100507/28A priority patent/RU2312385C2/en
Priority to CNB038131854A priority patent/CN100468466C/en
Priority to PCT/IB2003/002314 priority patent/WO2003107278A2/en
Priority to JP2004514016A priority patent/JP4323424B2/en
Priority to AU2003233088A priority patent/AU2003233088A1/en
Publication of EP1372117A1 publication Critical patent/EP1372117A1/en
Priority to HK04103529A priority patent/HK1060790A1/en
Application granted granted Critical
Publication of EP1372117B1 publication Critical patent/EP1372117B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
    • G07C1/28—Indicating playing time
    • 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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
    • 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
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0828—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement acting in the plane of the movement
    • 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
    • G04F7/0871—Special arrangements with multiple chronograph functions, i.e. to count multiple running times

Definitions

  • the present invention relates to chronograph mechanisms, which allow the measurement of a counted time from a given moment, controlled by pressing the push buttons.
  • a watch provided with such a mechanism is, for example, described in the book entitled "Theorie d'horlogerie” Chs-A. Reymondin et al. ISBN 2-940025-10-X, page 232 and following.
  • These watches generally comprise two pushers for one to ensure the start and stop of the meter ensuring the measurement of timed time, the other zero this counter. This time is displayed by means of at least one needle, usually arranged at the center of the movement and indicating the time in seconds.
  • the actuating means further comprise an initialization device, arranged to control the zeroing of the timed counting means.
  • its switching device comprises a locking structure arranged so that it can be operated only when one of the chronograph gear is engaged .
  • the locking means cooperate with the actuating means, so that the initialization means can not be activated when one of the chronograph wheels is engaged.
  • the position of the various components of the watch is sometimes defined with reference to the position occupied by an hour hand on the dial.
  • a watch 10 can be seen comprising a box 12, a dial 14, a winding crown and setting time 16, five hands bearing the references 18 to 23 and three push buttons, bearing the references 24 to 26.
  • the box 12 contains and protects a movement including a mechanism for timekeeping, as will be explained later. It is closed by an ice, not visible in the drawing, and which covers the dial 14 and the needles 18 to 23.
  • the hands 18 and 19 pivot in the center of the dial 14. They respectively display the hours and minutes of the current time.
  • the needles 20 and 21 are arranged concentrically with the needles 18 and 19. They are respectively driven by a first and a second counter and intended to display the seconds of a first and a second time stopwatch.
  • the needles 20 to 23 therefore take the place of time display means timed.
  • figure 2 represents, schematically, the effect that a pressure on one or other of the pushers engenders.
  • inactive pushers in different states that can take the mechanism were not taken into consideration.
  • the pusher 24 is operable regardless of the state in which the mechanism is.
  • the pusher 25 is active only if one or the other of the counters is in operation, while the pusher 26 can perform a zeroing only when the first counter is stopped and the second counter is stopped or zero.
  • rectangles in bold lines refer to actions P1, P2 and P3, made by the user of the watch respectively on the pushers 24, 25 and 26.
  • the watch is in the state A when no time is timed, the hands 20, 21 22 and 23 being zero.
  • a pressure P1 on the pusher 24 is active. It causes the start of the first counter and the setting in motion of the needles 20 and 22, the needles 21 and 23 remaining at zero, which corresponds to the state B of the mechanism.
  • P1 a new pressure on the pusher 24
  • P2 Pressure on the pusher 25 (P2) is also possible. It causes a switching of the counters, ie the stop of the first and the departure of the second, the mechanism then being in the state D.
  • the push-buttons 24 (P1) and 25 (P2) can be activated, which is comparable to the B state.
  • the second counter stopped, indicates a measured time, whereas in state B , it was at zero.
  • the mechanism providing these functions is represented on the Figures 3 to 6 . It is arranged on a frame plate 28, part of the base movement and may, for example, further provide a barrel bridge function. It is on the bottom of the watch.
  • the parts constituting it are in the state A as defined with reference to the figure 2 , ie in the state where the mechanism is at rest, the needles 20 to 22 being zero.
  • the figure 4 corresponds to state B , the figure 5 in state D , and the figure 6 in state C or D.
  • the pushers 24 to 26 are shown schematically by their end disposed inside the box.
  • the basic movement has not been represented. It comprises, in a conventional manner, a power source, a time base, and a finishing gear train ensuring the connection of the energy source to the time base and consequently the counting of the current time.
  • This gear comprises a mobile provided with a shaft passing through the frame 28 and carrying two wheels 301 and 302, whose function will be specified later.
  • the timed counting means 40 comprise two wheels 421 and 422, of the same diameter and provided with the same number of teeth, arranged coaxially at the center of the movement, and arranged to respectively carry the needles 20 and 21. They comprise, in in addition, two coaxial wheels, which have not been shown in the drawing, arranged to pivot on the frame 28 in a hole 28a, and driven respectively by the wheels 421 and 422, at a rate of one step per minute or half minute, and arranged so that the needles 22 and 23, they carry respectively, take a turn in thirty minutes. These wheels of the time counting means 40 are each provided with a heart, not shown in the drawing, intended to cooperate with the initialization means to set the hands to zero.
  • the connecting means 50 comprise two flip-flops 521 and 522, pivotally mounted on the frame 28, in their central part on the same axis, which is outside the frame of the drawing.
  • These latches 521 and 522 carry, at one of their ends, a wheel mounted idle and identified by the letter a. They are provided at the other end with a nose identified by the letter b and intended to cooperate with the actuating means 60, as will be explained later.
  • the wheels 521a and 522a are arranged so that they mesh respectively permanently with the wheels 301 and 302 and sequentially with the wheels 421 and 422, with reference to the actuating means, as will be explained below.
  • the wheel 421 and the first of the unrepresented and pivoting wheels 28a together form the first time wheel, while the wheel 422 and the second of the unrepresented wheels form the second time wheel.
  • the rocker 521, with its wheel 521a forms the first clutch and the rocker 522, with its wheel 522a, the second.
  • the initialization means 70 are all visible only on the figure 6 . They comprise a control lever 71 and a hammer 72, respectively pivotably mounted at 281 and 28m on the frame 28.
  • the lever 71 carries a pin 71a, arranged so that the pusher 26 can actuate. It is provided with a nose 71b, called to cooperate with the pawl 69d, and an arm 71c forming a stop for the hammer 72.
  • the hammer 72 is formed of a body 72a, which carries, in the vicinity of its pivot point 28m, a pin 72b and two noses 721c and 722c superimposed.
  • the pin 72b is intended to cooperate with the arm 71c, while the nose 721c and 722c are arranged to work respectively with the columns of the wheels 661 and 662.
  • the other end of the body 72a carries two arms 72d and 72e each provided at its free end with two superposed heels, the heels 721d and 722d for the arm 72d, 721e and 722e for the arm 72e. These heels are intended to cooperate with the hearts which are provided with the wheels carrying the needles 20 to 23.
  • the rest position of the various parts constituting it is generally defined by the action of a spring holding each piece in abutment.
  • these springs are simply represented by an arrow, to avoid overloading the drawing.
  • the latch 61 is held in the position shown in FIG. figure 3 by the action of a spring F61a, schematically represented by an arrow, as explained above, bearing against a stop which has not been shown in the drawing.
  • a spring F61c keeps the pawl 61c resting against the pin 61d.
  • the bodies 62a and 622a of the levers 621 and 622 are respectively held in place, against a stop not shown, by springs F621a and F622a superimposed and noted F621 / 2a on the figure 3 .
  • the pawls 621b and 622b are respectively constrained by springs tending to keep them in contact with the ratchet of the column wheels 661 and 662, denoted F621 / 2b.
  • the switching lever 64 is supported by its contact finger 64f against the cam 67b, under the effect of a spring F64a acting on its body 64a.
  • the arm 64b is pressed against an abutment integral with the frame 28 and schematically represented by a pin 28n, under the effect of a spring F64b.
  • the pawl 64d is positioned against the pin 64e by a spring F64d.
  • the selection lever 65 is subjected to a spring F65a, acting on the body 65a so that the nose 65b bears against the cam 68b, and a spring F65c applying the arm 65c by the pin 65d against the lever 621 or 622.
  • the lever 71 is subjected to a spring F71 which tends to resist the force applied by the pusher 26.
  • a spring F72a is pressed against the body 72a, so that the heels abut against the hearts when neither the nose nor the pin 72a are no longer held respectively by the arm 71c and the columns of the wheels 661 and 662 ( figure 6 ).
  • the column wheels 661 and 662 and the coordination wheels 67 and 68 are positioned by jumper springs, not shown in the drawing.
  • actuating means provide both a control and switching function. They thus constitute a control device consisting essentially of the flip-flop 61 and the levers 621 and 622, and a switching device formed essentially of the switching lever 64 and the selection lever 65.
  • the pawl 621b drives the column wheel 661, so that the nose 521b is between two columns and that the rocker 521 moves to ensure the engagement of the wheel 521a with the wheel 421.
  • the counter of first timed time is engaged.
  • the pawl 61c cooperating with the star wheel 67a drives the coordination wheel 67.
  • the tilting of the lever 64 brings the pin 64c into the space swept by the pusher 25, thus ensuring a function of clutch structure, allowing the actuation of the switching device, as will be explained later.
  • These lever movements have no immediate effect, they only place these parts so that they can be activated later, as will be explained later.
  • the hammer 72 also pivots when actuating the pusher 24. Indeed, because of the rotation of the column wheel 661, the nose 721c is raised by a column. The heels 721d, 722d, 721e and 722e then release the wheels of the chronograph wheels, in particular the wheels 421 and 422.
  • state B the actuation of the pusher 24 causes, in a manner similar to that described with reference to FIG. figure 3 , the displacement of the latch 61, which rotates the column wheel 661 and the coordination wheel 67 by a new step.
  • the rotation of the column wheel 661 brings the nose 521b to bear against a column, so that the wheel 521a is again disengaged from the wheel 421.
  • the mechanism is then in state C , that is to say that the first counter is stopped and displays the first timed time, while the second counter is zero. In this state, the mechanism occupies the same position as that shown on the figure 3 .
  • states A and C There are however two differences between states A and C. On the one hand the timed first time counter is no longer zero, and on the other hand, the hammer 72 is in the wheel release position and not in the initialization position. These differences do not appear on the figure 3 .
  • the pin 64c simultaneously pushes the levers 621 and 622, bearing against their fingers 621d and 622d, so that the pawls 621c and 622c respectively drive the column wheels 661 and 662.
  • the latch 521 which was between two columns, bears against a column, while the rocker 522, which was in support against a column, falls between two columns. In this way, the wheel 521a is disengaged from the wheel 421, which interrupts the counting of the first timed time, and the wheel 522a is engaged with the wheel 422, which triggers the counting of the second timed time.
  • the pawl 64d pushes the coordination wheel 68 by one step.
  • the selection lever 65 is supported by its nose 65b, it tilts and assumes a position such that the pin 65d is in position. next to the cut 621c.
  • state D which is represented on the figure 5 .
  • an action on the pusher 26 has no effect, but this time it is the column wheel 662 which prevents the hammer 72 from tilting.
  • the nose 71b pushes the pawl 69d, which drives the coordination wheel 68 by its star 68a, so that the selection lever 65 occupies the position where a pressure on the pusher 24 causes the engagement of the counter first time timed.

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

Abstract

Chronograph mechanism has first (20, 22) and second (21, 23) chronometric time counters and a command button (24) designed to start or stop one or other of the counters and a switching device (25) designed such that its activation causes starting of the stopped counter and stopping of the operating counter.

Description

La présente invention se rapporte aux mécanismes de chronographe, qui permettent la mesure d'un temps compté à partir d'un instant donné, commandés par une pression sur des boutons-poussoirs.The present invention relates to chronograph mechanisms, which allow the measurement of a counted time from a given moment, controlled by pressing the push buttons.

Une montre munie d'un tel mécanisme est, par exemple, décrite dans l'ouvrage intitulé « Théorie d'horlogerie » Chs-A. Reymondin et al. ISBN 2-940025-10-X, page 232 et suivantes. Ces montres comportent généralement deux poussoirs destinés l'un à assurer le départ et l'arrêt du compteur assurant la mesure du temps chronométré, l'autre la mise à zéro de ce compteur. Ce temps est affiché au moyen d'au moins une aiguille, généralement disposée au centre du mouvement et indiquant le temps en secondes.A watch provided with such a mechanism is, for example, described in the book entitled "Theorie d'horlogerie" Chs-A. Reymondin et al. ISBN 2-940025-10-X, page 232 and following. These watches generally comprise two pushers for one to ensure the start and stop of the meter ensuring the measurement of timed time, the other zero this counter. This time is displayed by means of at least one needle, usually arranged at the center of the movement and indicating the time in seconds.

Ces montres permettent de mesurer la durée d'un événement, celui-ci pouvant avoir ou non des interruptions. Pour certaines applications, par exemple pour mesurer les temps de réflexions de joueurs d'échecs, il est nécessaire de disposer d'un appareil ad hoc, ou utiliser deux chronographes.These watches measure the duration of an event, which may or may not have interruptions. For some applications, for example to measure the time of reflection of chess players, it is necessary to have an ad hoc device, or use two chronographs.

Le but de la présente invention est de proposer un mécanisme de chronographe permettant de mesurer la durée de deux événements se déroulant selon un processus alternatif. Ce mécanisme est destiné à coopérer avec un mouvement comportant, comme indiqué par exemple dans l'art antérieur CH 535453 :

  • un bâti destiné à porter les composants du mouvement,
  • des moyens de comptage de temps courant, comprenant une source d'énergie, une base de temps et un rouage de finissage.
The purpose of the present invention is to provide a chronograph mechanism for measuring the duration of two events taking place according to an alternative process. This mechanism is intended to cooperate with a movement comprising, as indicated for example in the prior art CH 535453 :
  • a frame intended to carry the components of the movement,
  • current time counting means comprising a power source, a time base and a finishing gear.

Il comporte plus particulièrement :

  • des moyens de comptage de temps chronométrés,
  • des moyens de liaison, agencés pour enclencher et déclencher les moyens de comptage du temps chronométré aux moyens de comptage du temps courant,
  • des moyens d'actionnement des moyens de liaison,
  • des moyens de comptage de temps chronométrés qui comportent des premier et deuxième rouages de chronographe, destinés à porter chacun une aiguille, lesquelles assurent l'affichage respectivement d'un premier et d'un deuxième temps chronométré,
  • des moyens de liaison qui comportent des premier et deuxième embrayages, qui destinés à relier le rouage de finissage avec respectivement le premier et le deuxième rouage de chronographe,
  • des moyens d'actionnement qui comportent
    • un dispositif de commande agencé de manière à enclencher ou déclencher l'un ou l'autre embrayage.
      Comme défini par la revendication 1, l'invention comporte un dispositif de commutation agencé de manière à ce que son activation provoque le déclenchement de l'embrayage enclenché et l'enclenchement de l'embrayage déclenché.
It more particularly comprises:
  • time counting means timed,
  • connecting means arranged to switch on and off the counting means of the timed time to the counting means of the current time,
  • means for actuating the connecting means,
  • timed counting means comprising first and second chronograph wheels, each intended to carry a needle, which respectively display a first and a second timed time,
  • connecting means which comprise first and second clutches, which are intended to connect the finishing gear train respectively to the first and second chronograph wheels,
  • actuating means which comprise
    • a control device arranged to engage or trigger one or the other clutch.
      As defined by claim 1, the invention comprises a switching device arranged so that its activation causes the triggering of the clutch engaged and the engagement of the clutch triggered.

Afin de permettre un comptage à partir de zéro, les moyens d'actionnement comportent, en outre, un dispositif d'initialisation, agencé pour commander la mise à zéro des moyens de comptage de temps chronométrés .In order to allow counting from scratch, the actuating means further comprise an initialization device, arranged to control the zeroing of the timed counting means.

Pour éviter que des manipulations ne perturbent le bon fonctionnement du mécanisme, voire l'abîme, son dispositif de commutation comprend une structure de verrouillage agencée de manière à ce qu'il ne puisse être actionner que lorsque l'un des rouage de chronographe est embrayé.To avoid that manipulations disturb the proper functioning of the mechanism, or even the abyss, its switching device comprises a locking structure arranged so that it can be operated only when one of the chronograph gear is engaged .

En outre, les moyens de verrouillage coopèrent avec les moyens d'actionnement, de manière à ce que les moyens d'initialisation ne puissent pas être activés lorsque l'un des rouages de chronographe est embrayé.In addition, the locking means cooperate with the actuating means, so that the initialization means can not be activated when one of the chronograph wheels is engaged.

D'autres avantages et caractéristiques de l'invention ressortiront de la description qui va suivre, faite en regard du dessin annexé, dans lequel:

  • La figure 1 permet de voir une montre comportant un mécanisme selon l'invention,
  • La figure 2 représente un schéma de fonctionnement de cette montre, et
  • Les figures 3 à 6 montrent le mécanisme selon l'invention, dans différentes positions, correspondant aux principales étapes rencontrées en cours de fonctionnement.
Other advantages and features of the invention will emerge from the description which follows, given with reference to the appended drawing, in which:
  • The figure 1 allows to see a watch comprising a mechanism according to the invention,
  • The figure 2 represents an operating diagram of this watch, and
  • The Figures 3 to 6 show the mechanism according to the invention, in different positions, corresponding to the main steps encountered during operation.

Dans la description qui suit, la position des différents composants de la montre est, parfois, définie en référence à la position qu'occupe une aiguille des heures sur le cadran.In the following description, the position of the various components of the watch is sometimes defined with reference to the position occupied by an hour hand on the dial.

Sur la figure 1, on peut voir une montre 10 comportant une boîte 12, un cadran 14 , une couronne de remontoir et de mise à l'heure 16, cinq aiguilles portant les références 18 à 23 et trois boutons-poussoirs, portant les références 24 à 26.On the figure 1 a watch 10 can be seen comprising a box 12, a dial 14, a winding crown and setting time 16, five hands bearing the references 18 to 23 and three push buttons, bearing the references 24 to 26.

De manière classique, la boite 12 contient et protège un mouvement comportant un mécanisme permettant le chronométrage de temps, comme cela sera expliqué plus loin. Elle est fermée par une glace, non visible au dessin, et qui recouvre le cadran 14 et les aiguilles 18 à 23.Conventionally, the box 12 contains and protects a movement including a mechanism for timekeeping, as will be explained later. It is closed by an ice, not visible in the drawing, and which covers the dial 14 and the needles 18 to 23.

Les aiguilles 18 et 19 pivotent au centre du cadran 14. Elles affichent respectivement les heures et les minutes du temps courant. Les aiguilles 20 et 21 sont disposées concentriquement aux aiguilles 18 et 19. Elles sont respectivement entraînées par un premier et par un second compteur et destinées à afficher les secondes d'un premier et d'un second temps chronométré. Les aiguilles 22 et 23, qui sont décentrées et associées à un petit cadran non référencé et placé à trois heures, assurent l'affichage des minutes respectivement du premier et du second temps chronométrés. Les aiguilles 20 à 23 tiennent donc lieu de moyens d'affichage de temps chronométrés.The hands 18 and 19 pivot in the center of the dial 14. They respectively display the hours and minutes of the current time. The needles 20 and 21 are arranged concentrically with the needles 18 and 19. They are respectively driven by a first and a second counter and intended to display the seconds of a first and a second time stopwatch. The needles 22 and 23, which are off-center and associated with a small dial not referenced and placed at three o'clock, ensure the display of the minute respectively of the first and second time timed. The needles 20 to 23 therefore take the place of time display means timed.

Le poussoir 24, placé à deux heures, commande soit le départ, soit l'arrêt de la mesure de l'un ou de l'autre des deux temps chronométrés, selon une logique qui sera décrite en référence à la figure 2. Le poussoir 25, coaxial à la couronne 16, assure la commutation de l'un à l'autre des compteurs et le poussoir 26 la mise à zéro des aiguilles 20 à 23.The pusher 24, placed at two o'clock, controls either the start or the stopping of the measurement of one or the other of the two timed times, according to a logic which will be described with reference to the figure 2 . The pusher 25, coaxial with the ring 16, switches from one to the other of the counters and the pusher 26 sets the hands 20 to 23 to zero.

Pour bien comprendre le principe de fonctionnement du mécanisme selon l'invention, la figure 2 représente, de manière schématique, l'effet qu'engendre une pression sur l'un ou l'autre des poussoirs.To fully understand the operating principle of the mechanism according to the invention, the figure 2 represents, schematically, the effect that a pressure on one or other of the pushers engenders.

Sur ce schéma, les poussoirs inactifs dans les différents états que peut prendre le mécanisme n'ont pas été pris en considération. De manière générale, il apparaît que le poussoir 24 est actionnable quel que soit l'état dans lequel se trouve le mécanisme. Le poussoir 25 n'est actif que si l'un ou l'autre des compteurs est en fonction, alors que le poussoir 26 ne peut effectuer une mise à zéro que lorsque les premier compteur est arrêté et que le deuxième compteur est arrêté ou à zéro.In this scheme, inactive pushers in different states that can take the mechanism were not taken into consideration. In general, it appears that the pusher 24 is operable regardless of the state in which the mechanism is. The pusher 25 is active only if one or the other of the counters is in operation, while the pusher 26 can perform a zeroing only when the first counter is stopped and the second counter is stopped or zero.

Sur cette figure, les rectangles en trait gras se rapportent à des actions P1, P2 et P3, effectuées par l'utilisateur de la montre respectivement sur les poussoirs 24, 25 et 26.In this figure, the rectangles in bold lines refer to actions P1, P2 and P3, made by the user of the watch respectively on the pushers 24, 25 and 26.

Les rectangles en trait fin indiquent les changements qu'apportent l'action considérée sur le mécanisme. Dans ces rectangles, C1 et C2 identifient respectivement les premier et second compteurs, Start, Stop et Reset leur départ, arrêt et mise à zéro. Les cercles entourant une lettre majuscule définissent les différents états dans lesquels le mécanisme se trouve après l'action, répertoriés dans le tableau ci-dessous. Etat Premier compteur Second compteur A A zéro A zéro B Compte A zéro C Arrêté A zéro D Arrêté Compte E Arrêté Arrêté F Compte Arrêté The rectangles in fine line indicate the changes that bring the action considered on the mechanism. In these rectangles, C1 and C2 respectively identify the first and second counters, Start, Stop and Reset their start, stop and reset. Circles surrounding a capital letter define the different states in which the mechanism is after the action, listed in the table below. State First counter Second counter AT To zero To zero B Account To zero VS Stopped To zero D Stopped Account E Stopped Stopped F Account Stopped

La montre se trouve dans l'état A lorsque aucun temps n'est chronométré, les aiguilles 20, 21 22 et 23 étant à zéro. Dans cet état, seule une pression P1, sur le poussoir 24 est agissante. Elle provoque le démarrage du premier compteur et la mise en mouvement des aiguilles 20 et 22, les aiguilles 21 et 23 restant à zéro, ce qui correspondant à l'état B du mécanisme. De cet état, une nouvelle pression sur le poussoir 24 (P1) a pour effet d'arrêter le premier compteur, en en conséquence les aiguilles 20 et 22 indiquant le temps mesuré, ce qui correspond à l'état C du mécanisme. Une pression sur le poussoir 25 (P2) est aussi possible. Elle provoque une commutation des compteurs, soit l'arrêt du premier et le départ du second, le mécanisme se trouvant alors à l'état D.The watch is in the state A when no time is timed, the hands 20, 21 22 and 23 being zero. In this state, only a pressure P1 on the pusher 24 is active. It causes the start of the first counter and the setting in motion of the needles 20 and 22, the needles 21 and 23 remaining at zero, which corresponds to the state B of the mechanism. From this state, a new pressure on the pusher 24 (P1) has the effect of stopping the first counter, consequently the needles 20 and 22 indicating the measured time, which corresponds to the state C of the mechanism. Pressure on the pusher 25 (P2) is also possible. It causes a switching of the counters, ie the stop of the first and the departure of the second, the mechanism then being in the state D.

Lorsque le mécanisme se trouve à l'état C, une nouvelle pression sur le poussoir 24 (P1) fait repartir le premier compteur, ramenant le mécanisme à l'état B, alors qu'une pression sur le poussoir 26 (P3) provoque la mise à zéro des aiguilles 20 et 22 et le retour à l'état A.When the mechanism is in the state C , a new pressure on the pusher 24 (P1) causes the first counter to restart, bringing the mechanism back to the state B , while a pressure on the pusher 26 (P3) causes the zeroing of the needles 20 and 22 and the return to the state A.

Quand le mécanisme se trouve à l'état D, une pression sur le poussoir 24 (P1) provoque l'arrêt du second compteur, le premier étant aussi arrêté, ce qui correspond à l'état E. A l'état D toujours, une pression sur le poussoir 25 (P2) engendre une nouvelle commutation des compteurs, le premier compteur repartant, alors que le second s'arrête. Le mécanisme est alors à l'état F.When the mechanism is in state D , a pressure on the pusher 24 (P1) causes the stopping of the second counter, the first being also stopped, which corresponds to the state E. In state D always, a pressure on the pusher 25 (P2) causes a new switching of the counters, the first counter restarting, while the second stops. The mechanism is then in state F.

Si le mécanisme est à l'état E, une pression sur le poussoir 24 (P1) fait redémarrer le second compteur, ce qui correspond à l'état D, alors qu'une pression sur le poussoir 26 (P3) met les deux compteurs à zéro, le mécanisme retrouvant son état initial A.If the mechanism is in the state E , a pressure on the pusher 24 (P1) restarts the second counter, which corresponds to the state D , while a pressure on the pusher 26 (P3) puts the two counters at zero, the mechanism returning to its initial state A.

Lorsque le mécanisme est à l'état F, les poussoirs 24 (P1) et 25 (P2) peuvent être activés, ce qui est comparable à l'état B. Dans l'état F toutefois, le second compteur, arrêté, indique un temps mesuré, alors que dans l'état B, il était à zéro.When the mechanism is in the F state, the push-buttons 24 (P1) and 25 (P2) can be activated, which is comparable to the B state. In state F however, the second counter, stopped, indicates a measured time, whereas in state B , it was at zero.

Le mécanisme assurant ces fonctions est représenté sur les figures 3 à 6. Il est disposé sur une plaque formant bâti 28, partie du mouvement de base et pouvant, par exemple, assurer en outre une fonction de pont de barillet. Il se trouve du côté fond de la montre. Sur la figure 3, les pièces le constituant se trouvent dans l'état A tel que défini en référence à la figure 2, c'est à dire dans l'état où le mécanisme est au repos, les aiguilles 20 à 22 étant à zéro. La figure 4 correspond à l'état B, la figure 5 à l'état D, et la figure 6 à l'état C ou D.The mechanism providing these functions is represented on the Figures 3 to 6 . It is arranged on a frame plate 28, part of the base movement and may, for example, further provide a barrel bridge function. It is on the bottom of the watch. On the figure 3 , the parts constituting it are in the state A as defined with reference to the figure 2 , ie in the state where the mechanism is at rest, the needles 20 to 22 being zero. The figure 4 corresponds to state B , the figure 5 in state D , and the figure 6 in state C or D.

Dans ces figures, plusieurs pièces sont superposées. Selon que la pièce est visible ou masquée, l'attache du trait reliant la pièce à son numéro de référence comporte, ou non, un point à son extrémité attachée à la pièce.In these figures, several pieces are superimposed. Depending on whether the part is visible or hidden, the attachment of the line connecting the part to its reference number has or not a point at its end attached to the part.

Par ailleurs, de nombreux ressorts assurent le positionnement et le retour des pièces mobiles. Afin d'éviter une surcharge du dessin, ils ont été représentés par une flèche Fi (i étant la référence de la pièce sur laquelle il agit) indiquant la direction de la force qu'ils engendrent. La pointe des flèches est appliquée au voisinage du point de contact. Lorsque deux pièces identiques sont superposées, la référence du ressort comporte une barre oblique suivie du dernier chiffre de la référence de la pièce inférieure.In addition, many springs ensure the positioning and return of moving parts. To avoid overloading the drawing, they were represented by an arrow Fi (i being the reference of the part on which it acts) indicating the direction of the force they generate. The tip of the arrows is applied to neighborhood of the point of contact. When two identical pieces are superimposed, the reference of the spring comprises a slash followed by the last digit of the reference of the lower piece.

Sur ces figures, les poussoirs 24 à 26 sont représentés de manière schématique par leur extrémité disposée à l'intérieur de la boîte.In these figures, the pushers 24 to 26 are shown schematically by their end disposed inside the box.

Le mouvement de base n'a pas été représenté. Il comporte, de manière classique, une source d'énergie, une base de temps, et un rouage de finissage assurant la liaison de la source d'énergie à la base de temps et en conséquence le comptage du temps courant. Ce rouage comporte un mobile muni d'un arbre traversant le bâti 28 et portant deux roues 301 et 302, dont la fonction sera précisée plus loin.The basic movement has not been represented. It comprises, in a conventional manner, a power source, a time base, and a finishing gear train ensuring the connection of the energy source to the time base and consequently the counting of the current time. This gear comprises a mobile provided with a shaft passing through the frame 28 and carrying two wheels 301 and 302, whose function will be specified later.

Le bâti 28 porte :

  • des moyens de comptage de temps chronométrés 40,
  • des moyens de liaison 50,
  • des moyens d'actionnement 60, et
  • des moyens d'initialisation 70, ces derniers n'étant visibles, en détail, que sur la figure 6.
The frame 28 carries:
  • timed counting means 40,
  • connecting means 50,
  • actuating means 60, and
  • initialization means 70, the latter being visible, in detail, only on the figure 6 .

Les moyens de comptage de temps chronométrés 40 comportent deux roues 421 et 422, de même diamètre et munies d'un même nombre de dents, disposées coaxialement au centre du mouvement, et agencées pour porter respectivement les aiguilles 20 et 21. Ils comprennent, en outre, deux roues coaxiales, qui n'ont pas été représentées au dessin, agencées pour pivoter sur le bâti 28 dans un trou 28a, et entraînées respectivement par les roues 421 et 422, à raison d'un pas par minute ou par demi-minute, et agencées de manière à ce que les aiguilles 22 et 23, qu'elles portent respectivement, fassent un tour en trente minutes. Ces roues des moyens de comptage de temps chronométrés 40 sont chacune munie d'un coeur, non représenté au dessin, destiné à coopérer avec les moyens d'initialisation pour mettre les aiguilles à zéro.The timed counting means 40 comprise two wheels 421 and 422, of the same diameter and provided with the same number of teeth, arranged coaxially at the center of the movement, and arranged to respectively carry the needles 20 and 21. They comprise, in in addition, two coaxial wheels, which have not been shown in the drawing, arranged to pivot on the frame 28 in a hole 28a, and driven respectively by the wheels 421 and 422, at a rate of one step per minute or half minute, and arranged so that the needles 22 and 23, they carry respectively, take a turn in thirty minutes. These wheels of the time counting means 40 are each provided with a heart, not shown in the drawing, intended to cooperate with the initialization means to set the hands to zero.

Les moyens de liaison 50 comprennent deux bascules 521 et 522, montées pivotantes sur le bâti 28, dans leur partie médiane sur un même axe, lequel se trouve en dehors du cadre du dessin. Ces bascules 521 et 522 portent, à l'une de leurs extrémités, une roue montée folle et identifiée par la lettre a. Elles sont munies, à l'autre extrémité, d'un nez identifié par la lettre b et destiné à coopérer avec les moyens d'actionnement 60, comme cela sera expliqué plus loin. Les roues 521a et 522a sont disposées de manière à ce qu'elles engrènent respectivement en permanence avec les roues 301 et 302 et séquentiellement avec les roues 421 et 422, en référence aux moyens d'actionnement, comme cela sera précisé plus loin.The connecting means 50 comprise two flip-flops 521 and 522, pivotally mounted on the frame 28, in their central part on the same axis, which is outside the frame of the drawing. These latches 521 and 522 carry, at one of their ends, a wheel mounted idle and identified by the letter a. They are provided at the other end with a nose identified by the letter b and intended to cooperate with the actuating means 60, as will be explained later. The wheels 521a and 522a are arranged so that they mesh respectively permanently with the wheels 301 and 302 and sequentially with the wheels 421 and 422, with reference to the actuating means, as will be explained below.

Dans cet agencement, la roue 421 et la première des roues non représentées et pivotant en 28a forment ensemble le premier rouage de temps chronométré, alors que la roue 422 et la seconde des roues non représentées forment le second rouage de temps chronométré. La bascule 521, avec sa roue 521a, forme le premier embrayage et la bascule 522, avec sa roue 522a, le second.In this arrangement, the wheel 421 and the first of the unrepresented and pivoting wheels 28a together form the first time wheel, while the wheel 422 and the second of the unrepresented wheels form the second time wheel. The rocker 521, with its wheel 521a, forms the first clutch and the rocker 522, with its wheel 522a, the second.

Les moyens d'actionnement 60 sont commandés par les poussoirs 24, 25 et 26. Ils comprennent

  • une bascule 61 de commande de départ et d'arrêt, munie :
    • d'un corps 61a pivotant, dans sa partie médiane, sur le bâti 28 en 28c,
    • d'une goupille de commande 61b disposée sur le corps 61a à l'une de ses extrémités,
    • d'un cliquet d'entraînement 61c, monté pivotant sur le corps 61a à l'autre extrémité et positionné par une goupille 61d fixée sur le corps 61a,
    • d'une goupille de poussoir 61e, disposée en regard du poussoir 24, et
    • d'une goupille de dégagement 61f;
  • des leviers d'enclenchement-déclenchement 621 et 622, superposés, comportant chacun un corps identifié par la lettre a et pivotant en sa partie médiane en un même point 28d du bâti 28, et munis chacun d'un cliquet identifié par la lettre b, destiné à commander le départ et l'arrêt respectivement du premier et du second compteur, d'une découpe de déclenchement identifiée par la lettre c et d'un doigt identifié par la lettre d et s'étendant au voisinage du poussoir 25;
  • un levier de commutation 64, comportant
    • un corps 64a monté pivotant, dans sa partie médiane, sur le bâti en 28e,
    • un bras 64b, monté articulé sur le corps 64a et portant une goupille 64c agencée pour coopérer avec le poussoir 25 et les doigts 621d et 622d,
    • un cliquet 64d, monté pivotant à l'extrémité libre du bras 64b, positionné par une goupille 64e, également solidaire du bras 64b,
    • un doigt de contact 64f, disposé sur le corps 64a entre son point de pivotement 28e et son extrémité portant le bras 64b, et
    • une goupille de dégagement 64g disposée le corps 64a, à l'extrémité opposée à celle portant le bras 64b;
  • un levier de sélection 65, formé :
    • d'un corps 65a monté pivotant, par sa partie médiane, en 28f sur le bâti 28, et muni à l'une de ses extrémités, d'un nez 65b,
    • un bras 65c monté de manière articulée sur l'autre extrémité du corps 65a et muni, à son extrémité libre, d'une goupille d'actionnement 65d;
  • deux roues à colonnes 661 et 662, coaxiale et montées pivotantes sur le bâti en 28g, qui comportent chacune une roue à rochet coopérant respectivement avec les cliquets 621b et 622b, et un ensemble de colonnes coopérant respectivement avec les nez 521b et 522b (la structure de ces roues n'a pas été représentée de manière détaillée, car étant bien connue de l'homme du métier) ;
  • deux roues de coordination 67 et 68, pivotant respectivement en 28h et 28j, et comportant chacune une roue en étoile à 6 dents identifiée par la lettre a et une came b comportant trois bossages c séparés par des creux d, disposée de manière régulière sur la périphérie de la came b; et
  • un levier inter-cames 69, comportant un corps 69a monté pivotant dans sa partie médiane en 28k sur le bâti 28 et comportant un doigt 69b en appui contre la came 67b, un index 69c destiné à coopérer avec la goupille 61f, le doigt et l'index se trouvant au voisinage de la roue 67, alors que l'autre extrémité, voisine de la roue 68, comprend, monté pivotant, un cliquet 69d et une goupille 69e, solidaire du corps 69a et servant de butée au cliquet 69d.
The actuating means 60 are controlled by the pushers 24, 25 and 26. They comprise
  • a start and stop control latch 61 provided with:
    • a body 61a pivoting, in its middle part, on the frame 28 in 28c,
    • a control pin 61b disposed on the body 61a at one of its ends,
    • a driving pawl 61c, pivotally mounted on the body 61a at the other end and positioned by a pin 61d fixed to the body 61a,
    • a pusher pin 61e, disposed opposite the pusher 24, and
    • a release pin 61f;
  • interlocking trigger-release levers 621 and 622, each comprising a body identified by the letter a and pivoting in its middle part at the same point 28d of the frame 28, and each provided with a pawl identified by the letter b , intended to control the start and stop respectively of the first and the second counter, a trigger cutout identified by the letter c and a finger identified by the letter d and extending in the vicinity of the pusher 25;
  • a switching lever 64, comprising
    • a body 64a pivotally mounted, in its middle part, on the frame 28e,
    • an arm 64b, articulated on the body 64a and carrying a pin 64c arranged to cooperate with the pusher 25 and the fingers 621d and 622d,
    • a pawl 64d, pivotally mounted at the free end of the arm 64b, positioned by a pin 64e, also integral with the arm 64b,
    • a contact finger 64f disposed on the body 64a between its pivot point 28e and its end bearing the arm 64b, and
    • a release pin 64g disposed on the body 64a at the opposite end to the one carrying the arm 64b;
  • a selection lever 65, formed:
    • a body 65a pivotally mounted, at its middle part, at 28f on the frame 28, and provided at one of its ends with a nose 65b,
    • an arm 65c hingedly mounted on the other end of the body 65a and provided at its free end with an actuating pin 65d;
  • two column wheels 661 and 662, coaxial and pivotally mounted on the frame 28g, which each comprise a ratchet wheel cooperating respectively with the pawls 621b and 622b, and a set of columns cooperating respectively with the nose 521b and 522b (the structure of these wheels does not have has been shown in detail since it is well known to those skilled in the art);
  • two coordination wheels 67 and 68, pivoting respectively at 28h and 28j, and each comprising a star wheel with 6 teeth identified by the letter a and a cam b having three bosses c separated by recesses d , arranged regularly on the periphery of the cam b ; and
  • an inter-cam lever 69, comprising a body 69a pivotally mounted in its middle portion 28k on the frame 28 and having a finger 69b resting against the cam 67b, an index 69c for cooperating with the pin 61f, the finger and the the index being in the vicinity of the wheel 67, while the other end, adjacent to the wheel 68 comprises, pivotally mounted, a pawl 69d and a pin 69e, integral with the body 69a and serving as a stop pawl 69d.

Les moyens d'initialisation 70 ne sont tous visibles que sur la figure 6. Ils comprennent un levier de commande 71 et un marteau 72, respectivement montés pivotant en 281 et en 28m sur le bâti 28.The initialization means 70 are all visible only on the figure 6 . They comprise a control lever 71 and a hammer 72, respectively pivotably mounted at 281 and 28m on the frame 28.

Le levier 71 porte une goupille 71a, disposée de manière à ce que le poussoir 26 puisse l'actionner. Il est muni d'un nez 71b, appelé à coopérer avec le cliquet 69d, et un bras 71c, formant butée pour le marteau 72.The lever 71 carries a pin 71a, arranged so that the pusher 26 can actuate. It is provided with a nose 71b, called to cooperate with the pawl 69d, and an arm 71c forming a stop for the hammer 72.

Le marteau 72 est formé d'un corps 72a, qui porte, au voisinage de son point de pivotement 28m, une goupille 72b et deux nez 721c et 722c superposés. La goupille 72b est destinée à coopérer avec le bras 71c, tandis que les nez 721c et 722c sont agencés pour travailler respectivement avec les colonnes des roues 661 et 662.The hammer 72 is formed of a body 72a, which carries, in the vicinity of its pivot point 28m, a pin 72b and two noses 721c and 722c superimposed. The pin 72b is intended to cooperate with the arm 71c, while the nose 721c and 722c are arranged to work respectively with the columns of the wheels 661 and 662.

L'autre extrémité du corps 72a porte deux bras 72d et 72e muni chacun à son extrémité libre de deux talons superposés, soit les talons 721 d et 722d pour le bras 72d, 721e et 722e pour le bras 72e. Ces talons sont destinés à coopérer avec les coeurs dont sont munies les roues portant les aiguilles 20 à 23.The other end of the body 72a carries two arms 72d and 72e each provided at its free end with two superposed heels, the heels 721d and 722d for the arm 72d, 721e and 722e for the arm 72e. These heels are intended to cooperate with the hearts which are provided with the wheels carrying the needles 20 to 23.

Dans le mécanisme ainsi décrit, la position de repos des différentes pièces le constituant est, généralement, définie par l'action d'un ressort maintenant chaque pièce en butée. Comme cela a été expliqué plus haut, ces ressorts sont simplement représentés par une flèche, afin d'éviter de surcharger le dessin.In the mechanism thus described, the rest position of the various parts constituting it is generally defined by the action of a spring holding each piece in abutment. As explained above, these springs are simply represented by an arrow, to avoid overloading the drawing.

Ainsi, tant qu'aucune pression n'est exercée sur le poussoir 24, la bascule 61 est maintenue dans la position représentée à la figure 3 par l'action d'un ressort F61a, schématiquement représenté par une flèche, comme expliqué plus haut, en appui contre une butée qui n'a pas été représentée au dessin. Un ressort F61c maintient le cliquet 61 c en appui contre la goupille 61d.Thus, as long as no pressure is exerted on the pusher 24, the latch 61 is held in the position shown in FIG. figure 3 by the action of a spring F61a, schematically represented by an arrow, as explained above, bearing against a stop which has not been shown in the drawing. A spring F61c keeps the pawl 61c resting against the pin 61d.

Les corps 62 la et 622a des leviers 621 et 622 sont respectivement maintenus en place, contre une butée non représentée, par des ressorts F621a et F622a superposés et notés F621/2a sur la figure 3. Les cliquets 621b et 622b sont respectivement contraints par des ressorts tendant à les maintenir en contact avec le rochet des roues à colonnes 661 et 662, notés F621/2b.The bodies 62a and 622a of the levers 621 and 622 are respectively held in place, against a stop not shown, by springs F621a and F622a superimposed and noted F621 / 2a on the figure 3 . The pawls 621b and 622b are respectively constrained by springs tending to keep them in contact with the ratchet of the column wheels 661 and 662, denoted F621 / 2b.

Le levier de commutation 64 est en appui par son doigt de contact 64f contre la came 67b, sous l'effet d'un ressort F64a agissant sur son corps 64a. Le bras 64b est appuyé contre une butée solidaire du bâti 28 et schématiquement représentée par une goupille 28n, sous l'effet d'un ressort F64b. Le cliquet 64d est positionné contre la goupille 64e par un ressort F64d.The switching lever 64 is supported by its contact finger 64f against the cam 67b, under the effect of a spring F64a acting on its body 64a. The arm 64b is pressed against an abutment integral with the frame 28 and schematically represented by a pin 28n, under the effect of a spring F64b. The pawl 64d is positioned against the pin 64e by a spring F64d.

Le levier de sélection 65 est soumis à un ressort F65a, agissant sur le corps 65a de manière à ce que le nez 65b soit en appui contre la came 68b, et à un ressort F65c appliquant le bras 65c par la goupille 65d contre le levier 621 ou 622.The selection lever 65 is subjected to a spring F65a, acting on the body 65a so that the nose 65b bears against the cam 68b, and a spring F65c applying the arm 65c by the pin 65d against the lever 621 or 622.

Pour maintenir le levier inter-cames 69 en appui par son doigt 69b contre la came 67c, son corps 69a est contraint par un ressort F69a. La position du cliquet 69d, en appui contre la goupille 69e, est assurée par un ressort F69d.To keep the inter-cam lever 69 supported by its finger 69b against the cam 67c, its body 69a is constrained by a spring F69a. The position of the pawl 69d, bearing against the pin 69e, is provided by a spring F69d.

Le levier 71 est soumis à un ressort F71 qui tend à résister à la force appliquée par le poussoir 26.The lever 71 is subjected to a spring F71 which tends to resist the force applied by the pusher 26.

Un ressort F72a est appuyé contre le corps 72a, de manière à ce que les talons viennent en appui contre les coeurs lorsque ni les nez, ni la goupille 72a ne sont plus retenus respectivement par le bras 71c et les colonnes des roues 661 et 662 (figure 6).A spring F72a is pressed against the body 72a, so that the heels abut against the hearts when neither the nose nor the pin 72a are no longer held respectively by the arm 71c and the columns of the wheels 661 and 662 ( figure 6 ).

Les roues à colonnes 661 et 662 et les roues de coordination 67 et 68 sont positionnées par des ressorts sautoirs, non représentés au dessin.The column wheels 661 and 662 and the coordination wheels 67 and 68 are positioned by jumper springs, not shown in the drawing.

On relèvera que les moyens d'actionnement décrits ci-dessus assurent à la fois une fonction de commande et de commutation. Ils constituent ainsi, un dispositif de commande, formé essentiellement de la bascule 61 et des leviers 621 et 622, et un dispositif de commutation formé essentiellement du levier de commutation 64 et du levier de sélection 65.It will be noted that the actuating means described above provide both a control and switching function. They thus constitute a control device consisting essentially of the flip-flop 61 and the levers 621 and 622, and a switching device formed essentially of the switching lever 64 and the selection lever 65.

Lorsque le dispositif est dans l'état A, comme représenté sur la figure 3, et qu'une pression est exercée sur le poussoir 24, ce dernier vient prendre appui contre la goupille de poussoir 61e, ce qui fait pivoter la bascule de commande 61. Dans ce mouvement, la goupille 61b entre en contact avec le bras 65c, lequel est aussi entraîné, de telle sorte que sa goupille 65d est appliquée contre le levier 621, qui pivote en 28d. Par contre, le levier 622 reste fixe, car sa découpe 622c se trouve en regard de la goupille 65d.When the device is in state A , as shown on the figure 3 , and that pressure is exerted on the pusher 24, the latter bears against the pusher pin 61e, which pivots the control lever 61. In this movement, the pin 61b comes into contact with the arm 65c, which is also driven, so that its pin 65d is applied against the lever 621, which pivots at 28d. By cons, the lever 622 remains fixed because its cut 622c is opposite the pin 65d.

Le cliquet 621b entraîne la roue à colonnes 661, de telle sorte que le nez 521b se trouve entre deux colonnes et que la bascule 521 se déplace jusqu'à assurer l'engrènement de la roue 521a avec la roue 421. Ainsi, le compteur de premier temps chronométré est enclenché. Simultanément, le cliquet 61c, coopérant avec la roue en étoile 67a entraîne la roue de coordination 67.The pawl 621b drives the column wheel 661, so that the nose 521b is between two columns and that the rocker 521 moves to ensure the engagement of the wheel 521a with the wheel 421. Thus, the counter of first timed time is engaged. Simultaneously, the pawl 61c cooperating with the star wheel 67a drives the coordination wheel 67.

Les leviers de commutation 64 et inter-cames 69, en appui contre la came 67b, basculent également pour prendre la position représentée sur la figure 4. Le basculement du levier 64 amène la goupille 64c dans l'espace balayé par le poussoir 25, assurant ainsi une fonction de structure d'embrayage, permettant l'actionnement du dispositif de commutation, comme cela sera expliqué plus loin. Ces mouvements de leviers n'ont pas d'effet immédiat, ils ne font que placer ces pièces de manière à ce qu'elles puissent être activées ultérieurement, comme cela sera expliqué plus loin.The switching levers 64 and inter-cams 69, bearing against the cam 67b, also rock to take the position shown on the figure 4 . The tilting of the lever 64 brings the pin 64c into the space swept by the pusher 25, thus ensuring a function of clutch structure, allowing the actuation of the switching device, as will be explained later. These lever movements have no immediate effect, they only place these parts so that they can be activated later, as will be explained later.

Bien que n'étant représenté que sur la figure 6, le marteau 72 pivote également lors de l'actionnement du poussoir 24. En effet, à cause de la rotation de la roue à colonne 661, le nez 721c est soulevé par une colonne. Les talons 721d, 722d, 721e et 722e libèrent alors les roues des rouages de chronographe, notamment les roues 421 et 422.Although only represented on the figure 6 , the hammer 72 also pivots when actuating the pusher 24. Indeed, because of the rotation of the column wheel 661, the nose 721c is raised by a column. The heels 721d, 722d, 721e and 722e then release the wheels of the chronograph wheels, in particular the wheels 421 and 422.

On notera que, dans l'état A, une action sur le poussoir 25 sera sans effet, aucune pièce ne coopérant avec lui. Une pression sur le poussoir 26 fait, par contre pivoter le levier 71. Or, dans cet état, le marteau 72 est en position d'initialisation, c'est à dire en appui contre les coeurs que comportent les roues du rouage de chronographe. Comme cela sera expliqué plus loin, ce mouvement du levier 71 est donc sans effet.Note that in the state A , an action on the pusher 25 will be ineffective, no part cooperating with him. A pressure on the pusher 26 makes, instead turn the lever 71. However, in this state, the hammer 72 is in the initialization position, that is to say against the hearts that comprise the wheels of the chronograph train. As will be explained later, this movement of the lever 71 is therefore without effect.

Le mécanisme ayant passé de l'état A à l'état B, représenté sur la figure 4, il est alors possible d'actionner les poussoirs 24 ou 25. Une action sur le poussoir 26 est, par contre, sans effet. Le marteau 72 est, certes, en retrait des roues, et le levier 71 écarté de la goupille 72b, mais le marteau 72 reste fixe, son nez 722c étant en appui contre une colonne de la roue à colonne 662.The mechanism having passed from state A to state B , represented on the figure 4 it is then possible to actuate the pushers 24 or 25. An action on the pusher 26 is, on the other hand, without effect. The hammer 72 is, of course, set back from the wheels, and the lever 71 spaced from the pin 72b, but the hammer 72 remains fixed, its nose 722c being in abutment against a column of the column wheel 662.

A l'état B l'actionnement du poussoir 24 provoque, de manière similaire à ce qui a été décrit en référence à la figure 3, le déplacement de la bascule 61, qui fait tourner d'un nouveau pas la roue à colonnes 661 et la roue de coordination 67. La rotation de la roue à colonne 661 amène le nez 521b en appui contre une colonne, de telle sorte que la roue 521a est, à nouveau, débrayée de la roue 421.In state B the actuation of the pusher 24 causes, in a manner similar to that described with reference to FIG. figure 3 , the displacement of the latch 61, which rotates the column wheel 661 and the coordination wheel 67 by a new step. The rotation of the column wheel 661 brings the nose 521b to bear against a column, so that the wheel 521a is again disengaged from the wheel 421.

Le mécanisme se trouve alors dans l'état C, c'est-à-dire que le premier compteur est arrêté et affiche le premier temps chronométré, alors que le second compteur est à zéro. Dans cet état, le mécanisme occupe la même position que celle représentée sur la figure 3. Il y a toutefois deux différences entre les états A et C. D'une part le compteur de premier temps chronométré n'est plus à zéro, et d'autres part, le marteau 72 se trouve en position de dégagement des roues et non en position d'initialisation. Ces différences n'apparaissent pas sur la figure 3.The mechanism is then in state C , that is to say that the first counter is stopped and displays the first timed time, while the second counter is zero. In this state, the mechanism occupies the same position as that shown on the figure 3 . There are however two differences between states A and C. On the one hand the timed first time counter is no longer zero, and on the other hand, the hammer 72 is in the wheel release position and not in the initialization position. These differences do not appear on the figure 3 .

Si l'usager presse le poussoir 25, ce dernier vient prendre appui contre la goupille 64c, ce qui fait pivoter le bras 64b du levier de commutation 64 sur son corps 64a.If the user presses the pusher 25, it bears against the pin 64c, which pivots the arm 64b of the switching lever 64 on its body 64a.

La goupille 64c pousse, simultanément, les leviers 621 et 622, en s'appuyant contre leurs doigts 621d et 622d, de telle sorte que les cliquets 621c et 622c entraînent de un pas respectivement les roues à colonnes 661 et 662. La bascule 521, qui se trouvait entre deux colonnes, passe en appui contre une colonne, alors que la bascule 522, qui se trouvait en appui contre une colonne, tombe entre deux colonnes. De la sorte, la roue 521a est débrayée de la roue 421, ce qui interrompt le comptage du premier temps chronométré, et la roue 522a est embrayée avec la roue 422, ce qui enclenche le comptage du second temps chronométré.The pin 64c simultaneously pushes the levers 621 and 622, bearing against their fingers 621d and 622d, so that the pawls 621c and 622c respectively drive the column wheels 661 and 662. The latch 521, which was between two columns, bears against a column, while the rocker 522, which was in support against a column, falls between two columns. In this way, the wheel 521a is disengaged from the wheel 421, which interrupts the counting of the first timed time, and the wheel 522a is engaged with the wheel 422, which triggers the counting of the second timed time.

Avec le mouvement du bras 64b, le cliquet 64d vient pousser de un pas la roue de coordination 68. Comme le levier de sélection 65 y est en appui, par son nez 65b, il bascule et prend une position telle que la goupille 65d se trouve en regard de la découpe 621c.With the movement of the arm 64b, the pawl 64d pushes the coordination wheel 68 by one step. As the selection lever 65 is supported by its nose 65b, it tilts and assumes a position such that the pin 65d is in position. next to the cut 621c.

Le mécanisme a ainsi passé à l'état D, qui est représenté sur la figure 5. Dans cet état, une action sur le poussoir 26 est sans effet, mais cette fois, c'est la roue à colonne 662 qui empêche le marteau 72 de basculer.The mechanism has thus passed to state D , which is represented on the figure 5 . In this state, an action on the pusher 26 has no effect, but this time it is the column wheel 662 which prevents the hammer 72 from tilting.

A l'état D il est aussi possible d'actionner les poussoirs 24 et 25. Une pression sur le poussoir 24 provoque, de manière similaire à ce qui a été expliqué ci-dessus, le pivotement de la bascule 61, laquelle entraîne le bras 65c qui se trouve dans une position telle que sa goupille 65d commande le levier 622 uniquement. Ce dernier fait tourner de un pas la roue à colonnes 662, de telle sorte que la bascule 522 vient en appui contre une colonne et la roue 522a et se trouve débrayée de la roue 422. Le second compteur, comme le premier, est donc arrêté, ce qui correspond donc à l'état E, dans lequel les pièces représentées au dessin occupe la même position qu'à l'état C. La seule différence réside dans la position de l'aiguille 21 qui affiche un temps, alors qu'à l'état C, elle est à zéro.In state D it is also possible to actuate push-buttons 24 and 25. A pressure on push-button 24 causes, in a manner similar to that which has been explained above, the pivoting of the latch 61, which drives the arm 65c which is in a position such that its pin 65d controls the lever 622 only. The latter rotates the column wheel 662 by one step, so that the rocker 522 bears against a column and the wheel 522a and is disengaged from the wheel 422. The second counter, like the first, is thus stopped. , which corresponds to the state E , in which the parts represented in the drawing occupy the same position as in the state C. The only difference lies in the position of the needle 21 which displays a time, while in the C state, it is at zero.

Lorsque le mécanisme est à l'état D, qui est représenté sur la figure 5, une pression sur le poussoir 25 actionne, une nouvelle fois, le bras 64b, et avec lui les deux leviers 621 et 622, de telle sorte que le premier compteur, qui était arrêté, redémarre, alors que le second compteur s'arrête, ce qui correspond à l'état F. En d'autres termes, dès lors qu'un compteur tourne, une pression sur le poussoir 25 provoque son arrêt et le démarrage de l'autre.When the mechanism is in state D , which is represented on the figure 5 , a pressure on the pusher 25 actuates, again, the arm 64b, and with it the two levers 621 and 622, so that the first counter, which was stopped, restarts, while the second counter stops, which corresponds to the state F. In other words, as soon as one meter rotates, pressing the pushbutton 25 causes it to stop and start the other.

Les commandes du mécanisme, lorsqu'il se trouve à l'état E sont les mêmes que lorsqu'on se trouve à l'état C, et à l'état B lorsqu'il se trouve à l'état F. Ces situations ne seront donc pas décrites de manière plus complète.The controls of the mechanism, when it is in the state E, are the same as when one is in the state C , and in the state B when it is in the state F. These situations will not be described in a more complete way.

Lorsque le mécanisme est à l'état C ou E, il est possible de réinitialiser les compteurs, comme on peut le voir sur la figure 6, par une pression sur le poussoir 26, qui vient prendre appui contre la goupille 71a du levier 71. Celle-ci fait pivoter le levier 71, de telle sorte que le bras 71c ne retient plus la goupille 72b. Comme les deux nez 721c et 722c se trouvent entre deux colonnes des roues 661 et 662, le marteau 72 tombe sous l'effet du ressort F72, les talons 721d, 721e, 722d et 722e entraînant alors les cames que portent les mobiles des rouages de chronographes, pour les réinitialiser.When the mechanism is in state C or E , it is possible to reset the counters, as can be seen on the figure 6 , by pressing on the pusher 26, which bears against the pin 71a of the lever 71. This lever pivots the lever 71, so that the arm 71c no longer retains the pin 72b. As the two noses 721c and 722c are located between two columns of the wheels 661 and 662, the hammer 72 falls under the effect of the spring F72, the heels 721d, 721e, 722d and 722e then driving the cams carried by the wheels of the wheels. chronographs, to reset them.

En outre, le nez 71b vient pousser le cliquet 69d, lequel entraîne la roue de coordination 68 par son étoile 68a, de manière à ce que le levier de sélection 65 occupe la position où une pression sur le poussoir 24 provoque l'enclenchement du compteur de premier temps chronométré.In addition, the nose 71b pushes the pawl 69d, which drives the coordination wheel 68 by its star 68a, so that the selection lever 65 occupies the position where a pressure on the pusher 24 causes the engagement of the counter first time timed.

Il est bien évident que le mécanisme, tel qu'il vient d'être décrit, n'est qu'un exemple de réalisation. Il est aussi possible d'atteindre le même but avec des variantes faisant appel à d'autres composants, ou les mêmes, mais présentant d'autres formes, sans pour autant sortir du cadre de l'invention.It is obvious that the mechanism, as just described, is only an example of embodiment. It is also possible to achieve the same goal with variants using other components, or the same, but having other forms, without departing from the scope of the invention.

On relèvera que la solution décrite nécessite moins d'énergie que les mécanismes de chronographe à rattrapante, tout en permettant une mesure plus complète et précise.It will be noted that the solution described requires less energy than split-second chronograph mechanisms, while allowing a more complete and accurate measurement.

Claims (4)

  1. Chronograph mechanism cooperating with a movement including:
    • a frame (28) for carrying the components of the movement,
    • means for counting the current time, including an energy source, a time base and a going train,
    said mechanism including:
    • means for counting measured times (40),
    • coupling means (50), arranged for engaging and releasing the measured time counting means from the current time counting means, and
    • means (60) for actuating the coupling means (50)
    • said means for counting measured times (40) including first (421) and second (422) chronograph gear trains, each intended to carry a hand (20, 22; 21, 23), which respectively assure the display of a first and a second measured time,
    • said coupling means (50) including first and second coupling clutches (521, 522), for connecting the going train respectively to the first and the second chronograph gear trains,
    • said actuating means including:
    - a control device (61, 65) arranged so as to engage or release one coupling clutch or the other (521, 522),
    characterised in that a switching device (64, 65) is arranged such that actuation thereof causes the engaged coupling clutch to be released and the released coupling clutch to be engaged.
  2. Mechanism according to claim 1, characterised in that said actuating means further include an initialisation device (70) arranged for controlling the resetting to zero of the measured time counting means (40).
  3. Mechanism according to claim 2, characterised in that the switching device (64, 65) includes a coupling structure (64b, 64c, 64d) arranged such that it can only be actuated when one of the chronograph gear trains (421, 422) is coupled.
  4. Mechanism according to claims 2 or 3, characterised in that the actuating means (60) include a locking structure (662, 664) arranged such that the initialisation device (70) cannot be actuated when one of the chronograph gear trains (421, 422) is coupled.
EP02013067A 2002-06-13 2002-06-13 Mechanism for chronograph Expired - Lifetime EP1372117B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ES02013067T ES2303537T3 (en) 2002-06-13 2002-06-13 CHRONOGRAPH MECHANISM.
EP02013067A EP1372117B1 (en) 2002-06-13 2002-06-13 Mechanism for chronograph
AT02013067T ATE392679T1 (en) 2002-06-13 2002-06-13 CHRONOGRAPH MECHANISM
DE60226132T DE60226132T2 (en) 2002-06-13 2002-06-13 Chronograph mechanism
CNB038131854A CN100468466C (en) 2002-06-13 2003-06-13 Chronograph mechanism
PCT/IB2003/002314 WO2003107278A2 (en) 2002-06-13 2003-06-13 Chronograph mechanism
RU2005100507/28A RU2312385C2 (en) 2002-06-13 2003-06-13 Chronometric mechanism
JP2004514016A JP4323424B2 (en) 2002-06-13 2003-06-13 Chronograph mechanism
AU2003233088A AU2003233088A1 (en) 2002-06-13 2003-06-13 Chronograph mechanism
HK04103529A HK1060790A1 (en) 2002-06-13 2004-05-19 Mechanism for chronograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02013067A EP1372117B1 (en) 2002-06-13 2002-06-13 Mechanism for chronograph

Publications (2)

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EP1372117A1 EP1372117A1 (en) 2003-12-17
EP1372117B1 true EP1372117B1 (en) 2008-04-16

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Application Number Title Priority Date Filing Date
EP02013067A Expired - Lifetime EP1372117B1 (en) 2002-06-13 2002-06-13 Mechanism for chronograph

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EP (1) EP1372117B1 (en)
JP (1) JP4323424B2 (en)
CN (1) CN100468466C (en)
AT (1) ATE392679T1 (en)
AU (1) AU2003233088A1 (en)
DE (1) DE60226132T2 (en)
ES (1) ES2303537T3 (en)
HK (1) HK1060790A1 (en)
RU (1) RU2312385C2 (en)
WO (1) WO2003107278A2 (en)

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Publication number Priority date Publication date Assignee Title
US9477206B2 (en) 2014-11-13 2016-10-25 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Split-seconds device with epicycloidal train for a timepiece
WO2023105270A1 (en) 2021-12-09 2023-06-15 Mb & F Sa Chronograph watch movements and use thereof in timepieces

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DE602007006151D1 (en) * 2007-02-14 2010-06-10 Maurice Lacroix Sa Mechanism for switchable transmission
CH703008A1 (en) * 2010-04-23 2011-10-31 Francois-Regis Richard Mechanism chronographe, clock and movement timepiece including such mechanism.
CH702992A1 (en) * 2010-04-23 2011-10-31 Francois-Regis Richard Chronograph mechanism for clockwork movement utilized to drive i.e. needle, to display chronometered time, has counter associated with display member and arranged in such way that mobile part exhibits relative movement with counter
EP2602675B1 (en) * 2011-12-08 2014-08-27 ETA SA Manufacture Horlogère Suisse Timepiece movement comprising a chronograph mechanism with column wheel
EP2743781B1 (en) * 2012-12-11 2019-06-12 Nivarox-FAR S.A. Device for assembly by locking a joint
JP6567806B2 (en) * 2013-05-31 2019-08-28 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ Clock mechanism for storing and displaying time information
JP6564561B2 (en) * 2013-05-31 2019-08-21 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ Clock mechanism for storing and displaying time information
EP2881810B1 (en) * 2013-12-03 2021-02-24 ETA SA Manufacture Horlogère Suisse Method for displaying a timing trend and related timepiece
ES2666046T3 (en) 2014-10-30 2018-04-30 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Chronograph mechanism and watch piece that includes its application
CN106354004A (en) * 2016-11-07 2017-01-25 深圳智能表芯科技有限公司 Control method for two-key intelligent watch in switchable mode and intelligent watch thereof
CN106354003A (en) * 2016-11-07 2017-01-25 深圳智能表芯科技有限公司 Control method for three-key intelligent watch in switchable mode and intelligent watch thereof
EP3913443A1 (en) * 2020-05-22 2021-11-24 Patek Philippe SA Genève Control device for clock mechanisms

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CH1328070A4 (en) * 1970-09-04 1972-12-15
DE2535479A1 (en) * 1975-08-08 1977-02-17 Otto Kaiser Double clock esp. for chess tournaments - with twin time indicators coupled alternately to single clock mechanism
EP0996043B1 (en) * 1998-04-21 2009-03-11 Seiko Epson Corporation Time measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9477206B2 (en) 2014-11-13 2016-10-25 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Split-seconds device with epicycloidal train for a timepiece
WO2023105270A1 (en) 2021-12-09 2023-06-15 Mb & F Sa Chronograph watch movements and use thereof in timepieces

Also Published As

Publication number Publication date
DE60226132D1 (en) 2008-05-29
AU2003233088A8 (en) 2003-12-31
ES2303537T3 (en) 2008-08-16
AU2003233088A1 (en) 2003-12-31
HK1060790A1 (en) 2004-08-20
JP2005529351A (en) 2005-09-29
JP4323424B2 (en) 2009-09-02
CN100468466C (en) 2009-03-11
RU2312385C2 (en) 2007-12-10
EP1372117A1 (en) 2003-12-17
WO2003107278A3 (en) 2004-05-21
CN1659596A (en) 2005-08-24
ATE392679T1 (en) 2008-05-15
WO2003107278A2 (en) 2003-12-24
DE60226132T2 (en) 2009-05-28
RU2005100507A (en) 2005-06-10

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