EP3540524B1 - Governed jumping display mechanism in a timepiece - Google Patents

Governed jumping display mechanism in a timepiece Download PDF

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Publication number
EP3540524B1
EP3540524B1 EP18161514.7A EP18161514A EP3540524B1 EP 3540524 B1 EP3540524 B1 EP 3540524B1 EP 18161514 A EP18161514 A EP 18161514A EP 3540524 B1 EP3540524 B1 EP 3540524B1
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EP
European Patent Office
Prior art keywords
wheel set
display
finger
jump
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
EP18161514.7A
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German (de)
French (fr)
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EP3540524A1 (en
Inventor
Alain Zaugg
Christophe Riedo
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP18161514.7A priority Critical patent/EP3540524B1/en
Priority to JP2019040235A priority patent/JP6676802B2/en
Priority to CN201910184994.XA priority patent/CN110275421B/en
Priority to US16/299,182 priority patent/US11188030B2/en
Publication of EP3540524A1 publication Critical patent/EP3540524A1/en
Application granted granted Critical
Publication of EP3540524B1 publication Critical patent/EP3540524B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • 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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/085—Geometrical arrangement of the graduations varying from the normal 12 hour arrangement
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25393—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released by their own energy source which is released at regular time intervals

Definitions

  • the invention relates to a clockwork display mechanism comprising at least one display mobile by jumps, said mechanism comprising at least one spring between a first mobile and a second mobile, said first mobile or respectively said second mobile being arranged to be driven by a mobile drive.
  • the invention also relates to a timepiece movement comprising such a display mechanism.
  • the invention also relates to a watch comprising such a clock movement and/or such a display mechanism.
  • the invention relates to the field of timepiece display mechanisms, in particular for watches.
  • instantaneous triggering generates high speeds of the components.
  • the dynamic stresses applied to the components become sensitive due to their inertia: a high speed, combined with a high inertia, generates significant stresses, which are non-existent in the case of a trailing function (one to several hours of passage), and operational disturbances may occur, for example double jumps may be performed.
  • the document CH203181A in the name of BROWN describes a sidereal timepiece indicating the degrees of arc on three discs, assigned respectively to the units, to the tens and to the hundreds, where the tens disc bears only the seven digits 0 to 6, and is associated to a concentric sector which bears the numbers 7, 8 and 9, and which is linked to the disc in question with a clearance which allows this sector to be carried successively by three divisions by the unit disc, at the end of three revolutions on four of the tens disc, which then remains motionless.
  • a device actuated on the fourth turn of the tens disc by the rotation of this disc, removes its connection with the sector and at the same time causes a retractable tooth to appear on the periphery of the tens disc, which allows the units disc to drive in quick succession the tens disk of two divisions, for the indications 360, then 001.
  • a display mechanism with change of display by jump such as in particular and without limitation a complex calendar mechanism, such as a perpetual calendar, or a calendar with a display with large apertures or rollers
  • a passage date at midnight instantaneous, but visible to the user for a few seconds. For example a passage from February 28 to March 1 in 3 to 4 seconds. This reduction of the notion of instantaneous becomes qualitative.
  • the present invention proposes to develop a regulated display drive, the jump of which can be seen by the user, and is more particularly described for a regulated date display mechanism.
  • the invention relates to a timepiece display mechanism with display moving by jumps, according to claim 1.
  • the invention also relates to a timepiece movement comprising such a display mechanism.
  • the invention also relates to a watch comprising such a clock movement and/or such a display mechanism.
  • the invention relates to a clockwork display mechanism 1 with display 100 movable by jumps. More particularly, this display is mobile by periodic jumps. This is the case of the embodiment illustrated by the figures.
  • This mechanism 1 comprises at least one spring 2 between a first mobile 4 and a second mobile 30.
  • This first mobile 4, or respectively this second mobile 30, is arranged to be driven by a driving mobile 201, which comprises, or the display mechanism itself, or an external mechanism, such as a 500 movement or similar.
  • the mobile which is not driven directly by the drive mobile 201, that is to say the second mobile 30, or respectively the first mobile 4, is arranged to drive or carry a cam 5 .
  • this cam 5 is a spiral peripheral cam 51, which is traversed by a sensor 6, which is arranged to control the jump, and in particular the periodic jump, of such a display 100.
  • the mechanism 1 comprises locking/triggering means 70, which comprise, on the one hand at least one finger 7 driven by the second mobile 30, or respectively the first mobile 4, and on the other hand a third mobile 80 which is arranged to, according to its angular position, stop or release this at least one finger 7, to prohibit or respectively authorize the rotation of the cam 5.
  • this cam 5 is to impose a certain travel time of the feeler 6, to effect a change of display, in a manner clearly visible to the user: the jump thus spreads out over a period of a few seconds, corresponding the longest possible distance around the cam.
  • the mechanism 1 comprises a regulation mechanism 9 to regulate the speed of rotation of the mobile which carries the cam 5:
  • this mechanism control gear 9 comprises in particular, in the illustrated version, a control train, which meshes with that of the second mobile 30, or respectively of the first mobile 4 which drives or carries the cam 5 to limit its speed of rotation when the finger 7 is released .
  • the mechanism 1 comprises at least one spring 2 wound between, on the one hand a shaft 41 of the first mobile 4, and on the other hand the second mobile 30.
  • this second mobile 30 is a drum 3, which carries at least one peripheral finger 7, without interference with the trajectory of the feeler 6, and in particular outside the trajectory of the feeler 6.
  • This drum 3 carries a peripheral cam 5, which comprises, more particularly, at least one reset threshold 52 after a jump of the display 100.
  • the cam is peripheral in a spiral shape 51.
  • the cam 5 is traversed by a feeler 6 arranged to control the jump, in particular the periodic jump, of a display 100, in particular but not limited to the date.
  • the spiral 51 comprises a long ramp, which extends from a lower level 511 to an upper level 512, and a single sill 52.
  • the feeler 6 is a roller in the non-limiting variant illustrated by the figures. In other variants not shown, this sensor can be a simple finger rubbing on the cam profile, or other.
  • the spiral may comprise, on its circumference, an alternation of such ramps and such sills. More particularly and without limitation, the angular sector corresponding to each ramp is identical.
  • the third mobile 80 is an anchor 8, which is angularly mobile around an anchor axis D8 under the action of the first mobile 4, or respectively of the second 30.
  • This anchor 8 is arranged to, depending on its angular position, stop or release this at least one finger 7, to prohibit or respectively authorize the rotation of the cam 5.
  • the first mobile 4 comprises an eccentric pin 42, which permanently guides a groove 81, which comprises an anchor 8 for triggering, to control the periodic to-and-fro movements of this pivoting anchor 8.
  • This anchor 8 comprises, on either side of its anchor axis D8, a beak 83 and a stop 84 to stop or release the finger 7 depending on the angular position of the anchor 8.
  • each finger 7 between its release by the beak 83 and its return to bearing on the stop 84 defines the duration of the jump, that is to say the change of display.
  • the finger 7 is unique.
  • the reset threshold 52 on the cam 5 is unique.
  • the mechanism 1 comprises a barrel 10 comprising at least one such spring 2 between on the one hand the shaft of the barrel 10, which is integral with the shaft 41 of the first mobile 4, or which constitutes it, and on the other hand the drum 3.
  • this spring 2 can also be any suitable spring
  • the mainspring is only a particular case, which lends itself well to the industrial implementation of the invention.
  • the winding of the spring 2 is carried out by a driving wheel set 201, which is a 24-hour wheel or which is connected in a gear train to a 24-hour wheel.
  • the spring can be wound by means other than the 24-hour wheel, for example an automatic gear train driven by an oscillating weight, a manual winding mechanism, or other.
  • the first wheel set 4 is pivotable, and driven in an entire speed ratio by a drive wheel set 201.
  • the to-and-fro movement of the anchor 8 defines an angular travel, relative to the axis D4 of the first mobile 4, of each finger 7 between its release by the beak 83 and its return to rest on the abutment 84.
  • This angular stroke defines the jump duration, which corresponds to the duration of the stroke of the feeler 6 on the cam 5, first according to a gentle ramp gradually rising from a lower level 511 to an upper level 512 of the spiral 51 then instantaneous descent to the lower level 511 when crossing the reset threshold 52.
  • This return to the position of the lower level 511 by the steep side of the threshold 52 is done instantaneously, and without influencing the display, for example by means of a click finger system on a star, or the like.
  • each jump corresponds to a change of state of the display 100 between an earlier state and a later state
  • the jump duration corresponds to the lapse of time between the stable display of the earlier state and the display stable from the posterior state.
  • the first input wheel set 4 is arranged to be driven by a continuous drive wheel set 201 and to accomplish, during one revolution of the continuous drive wheel set 201, a revolution or an integer number of revolutions or a whole fraction of a turn.
  • the drive wheel 201 is a 24-hour wheel supplying the energy, and the time reference (one revolution in 24 hours) of a conventional watch movement.
  • This drive wheel 201 drives a first input wheel 4, which here is an auxiliary 24-hour wheel.
  • This first entry mobile 4 carries an eccentric pin 42, and its shaft 41 is connected to a spring 2 of the auxiliary barrel 3.
  • This auxiliary barrel 3 is therefore, here, armed with one turn per 24 hours.
  • the eccentric pin 42 cooperates continuously with the groove 81 of the anchor 8, which is a straight oblong groove in the particular case of the figures, of the 24h wheel.
  • the trigger anchor 8 therefore performs a back and forth in 24 hours. It is understood that the example illustrated relates to a single daily jump at midnight for the particular case of a date, but it is possible to extrapolate the invention to any display with another period by playing on the gear ratios, the number of fingers 7 and their positions, the number of third mobiles 80, in particular of anchors 8, the number of reset thresholds 52, to carry out other jump commands.
  • an application with two daily jumps at noon and midnight allows the change of state of an AM/PM indicator
  • an application with two daily jumps at 6 a.m. and 6 p.m. allows the change of state of a day/night indicator.
  • Yet another application concerns a weekly planner, with rotation of seven days, and display of the day of the week.
  • Many other applications are accessible and advantageous to those skilled in the art, because the invention provides new visibility of display changes, which constitutes a pleasing improvement for the user.
  • the comings and goings of the anchor 8 therefore releases the rotation of the drum 3, in particular of the drum 3 of the barrel 10 in the case of the figures, by its finger 7, at midnight to authorize its rotation through an angle of approximately 330° , and at noon an additional 30°.
  • the eccentric pin 42 is assembled on the shaft 41 by friction, to allow indexing of the jump, for example at midnight for the date.
  • the rotation of the drum 3 by 330° drives the display mechanism, in particular the date, by the peripheral spiral cam 51 51, which is attached to it, and which applies a movement to the feeler 6, which is in the figures a roller of the date drive, arranged to move the display 100.
  • the rest of the display functions, in particular the date is done in known manner, for example in the form of a simple or perpetual date.
  • the mechanism 1 is also linked to a regulation mechanism 9, or comprises a regulation mechanism 9.
  • the drum 3 meshes with a cog of this regulation mechanism 9, in particular in the variant illustrated by the figures, with a pinion 91 of a regulation wheel 92, which meshes with an escapement pinion 95, fixed to a regulation escapement wheel 94.
  • the regulating escapement wheel 94 comprises teeth 95, which are arranged to cooperate with a regulating anchor 97, which comprises pallets 98 and 99. Under the torque imparted by the drum 3, the regulating anchor 97 passes alternately of one of its pallets on the other, by driving an inertial mass 970 which is integral with it.
  • This oscillating movement of regulating anchor 97 has a natural frequency which, without being as isochronous as a spiral balance wheel, allows good regulation of a function.
  • the frequency of the oscillator can be substantially modified with an additional spring 971, here movably mounted on a 972 screw head, which makes it possible to change, to a small extent, the operating time.
  • regulation mechanism 9 can also be used: inertial regulator, centrifugal brake, magnetic brake, or eddy current brake, or others.
  • the figure 4 illustrates the state of the system shortly before noon, around 11 a.m.
  • the finger 7 is in support cooperation with the abutment 84 of the anchor 8.
  • the eccentric pin 52 is very close to a first end 811 of the oblong groove 81 of the anchor 8.
  • the roller of the feeler 6 is in bearing on the lower level 511 of the spiral 51, in the immediate vicinity of the reset threshold 52, the position of which is materialized by a radial in dotted line.
  • the date drive is therefore inactive.
  • the figure 5 illustrates the state of the system shortly after noon, around 12:30 p.m.
  • the finger 7 is in bearing cooperation with the beak 83 of the anchor 8.
  • the eccentric pin 52 is still close to the first end 811 of the oblong groove 81.
  • the roller of the feeler 6 is resting on the lower level 511 of the spiral 51, at an angular distance a, here approximately 30°, from the reset threshold 52.
  • the date drive is still inactive.
  • the figure 6 illustrates the state of the system shortly before midnight, around 11 p.m.
  • the finger 7 is point against point with the beak 83 of the anchor 8: the drum 3 can thus be released, for its rotation of almost one revolution, as soon as this point contact is broken.
  • the eccentric pin 52 crossed in the afternoon the oblong groove 81 of the anchor 8, and is now very close to a second end 812 of this oblong groove 81.
  • the roller of the feeler 6 is still bearing on the lower level 511 of the spiral 51, in the immediate vicinity of the reset threshold 52.
  • the drive of the date is still inactive.
  • the drum 3 Shortly after, around midnight, the finger 7 leaves the beak 83 of the anchor 8, the drum 3 performs its rotation through an angle ⁇ , here approximately 330°.
  • ⁇ which is regulated by the regulation mechanism 9, detailed on the figure 1 , in order to last a few seconds and be clearly visible to the user, the feeler roller 6 first traverses the lower level 511 of the spiral 51, then rises to the level upper 512, activating the date drive for the display of the new date. The roller 6 drops when passing the reset threshold 52.
  • the figure 7 illustrates the state of the system shortly after midnight, around 12:30 a.m.
  • the finger 7 is again in bearing cooperation with the abutment 84 of the anchor 8.
  • the eccentric pin 52 is still close to the second end 812 of the oblong groove 81.
  • the roller of the feeler 6 has fallen, from its position top illustrated in phantom, in its low position resting on the lower level 511 of the snail 51.
  • the angle ⁇ traversed is that formed between the positions of the reset threshold 52 on the figures 6 and 7 .
  • the invention also relates to a watch movement 500 comprising such a display mechanism 1.
  • the invention also relates to a timepiece, in particular a clock, or a watch 1000, comprising such a movement 500 and/or such a display mechanism 1.
  • a variant of the invention constitutes the reverse configuration of that illustrated by the figures: the second wheel set 30 is a barrel 3 arranged to be driven by a driving wheel set 201, and which carries the third wheel set 80. And the first wheel set 4 is then arranged to drive or carry said spiral peripheral cam 51.
  • the regulation can be ensured by another type of regulator, of the type of bell regulator, for example eddy current regulator, or magnetic regulator, or electrostatic regulator, or other.
  • the time of the function which is defined by the type of regulation mechanism 9 chosen, can be chosen freely, here it is, without limitation defined between 1 and 30 seconds. Indeed, at these speeds, the dynamic stresses generated by the speed are negligible, only the static stresses are significant.
  • the date jump is done in such a way as to generate only constraints that can be calculated statically, the dynamic effect linked to the inertias of the components during the jump is negligible.
  • the jump is considered instantaneous on the scale of a day, but remains clearly visible to the user, which gives a qualitative rendering.

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

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme d'affichage d'horlogerie comportant au moins un afficheur mobile par sauts, ledit mécanisme comportant au moins un ressort entre un premier mobile et un deuxième mobile, ledit premier mobile ou respectivement ledit deuxième mobile étant agencé pour être entraîné par un mobile d'entraînement.The invention relates to a clockwork display mechanism comprising at least one display mobile by jumps, said mechanism comprising at least one spring between a first mobile and a second mobile, said first mobile or respectively said second mobile being arranged to be driven by a mobile drive.

L'invention concerne encore un mouvement d'horlogerie comportant un tel mécanisme d'affichage.The invention also relates to a timepiece movement comprising such a display mechanism.

L'invention concerne encore une montre comportant un tel mouvement d'horlogerie ou/et un tel mécanisme d'affichage.The invention also relates to a watch comprising such a clock movement and/or such a display mechanism.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, en particulier pour des montres.The invention relates to the field of timepiece display mechanisms, in particular for watches.

Arrière-plan de l'inventionBackground of the invention

Les mouvements pourvus de mécanisme de quantième sont pourvu de différents mécanismes d'entraînement :

  • les mécanismes d'entraînement traînant ;
  • les mécanismes semi-instantanés ;
  • les mécanismes instantanés.
Movements equipped with a date mechanism are equipped with different drive mechanisms:
  • drag-drive mechanisms;
  • semi-instantaneous mechanisms;
  • instantaneous mechanisms.

Un exemple de mécanisme traînant est décrit dans le livre « Les montres compliquées » de François Lecoultre (Ed. Simon in) sous les chapitres quantième simple et quantième perpétuels traînants.An example of a dragging mechanism is described in the book "Complicated watches" by François Lecoultre (Ed. Simon in) under the simple calendar and dragging perpetual calendar chapters.

Les mécanismes semi-instantanés sont très répandus, car de construction simple, un doigt souple s'arme sur l'entraînement du quantième, jusqu'au saut du sautoir de quantième, seule la seconde partie du saut est de ce fait instantanée. Cette construction est présente sur les principaux mouvements du commerce, notamment 2824,2892 ETA, 7700, 1050, 7875 Breguet, 1150, 1180, 1280 Blancpain.Semi-instantaneous mechanisms are very widespread, because of simple construction, a flexible finger is armed on the date drive, until the jump of the date jumper, only the second part of the jump is therefore instantaneous. This construction is present on the main trade movements, notably 2824,2892 ETA, 7700, 1050, 7875 Breguet, 1150, 1180, 1280 Blancpain.

Un exemple de mécanisme instantané est décrit dans le livre « Les montres compliquées » de François Lecoultre (Ed. Simon in) sous le chapitre quantième perpétuel instantané. D'autre constructions existent avec des systèmes d'armage d'un ressort sur une partie de la journée et un déclenchement à minuit, qui libère le ressort et effectue la fonction d'entrainement du quantième. Des mouvements de ce type existent sur le marché, par exemple le mouvement 8810 Breguet ou le 6950 Blancpain.An example of instantaneous mechanism is described in the book "Complicated watches" by François Lecoultre (Ed. Simon in) under the instantaneous perpetual calendar chapter. Other constructions exist with systems for winding a spring over part of the day and triggering at midnight, which releases the spring and performs the function of driving the date. Movements of this type exist on the market, for example the 8810 Breguet movement or the 6950 Blancpain.

Lors de la construction de mécanismes de quantième complexes instantanés, par exemple des quantièmes perpétuels ou à affichages à grands guichets ou à rouleaux, un déclenchement instantané engendre des vitesses élevées des composants. Les contraintes dynamiques appliquées aux composants deviennent sensibles en raison de leur inertie : une vitesse élevée, conjuguée à une forte inertie, génère des contraintes importantes, qui sont inexistantes dans le cas d'une fonction traînante (une à plusieurs heures de passage), et des perturbations de fonctionnement peuvent se produire, par exemple des doubles sauts peuvent être effectués.During the construction of complex instantaneous date mechanisms, for example perpetual calendars or with displays with large apertures or rollers, instantaneous triggering generates high speeds of the components. The dynamic stresses applied to the components become sensitive due to their inertia: a high speed, combined with a high inertia, generates significant stresses, which are non-existent in the case of a trailing function (one to several hours of passage), and operational disturbances may occur, for example double jumps may be performed.

La même problématique concerne d'autres affichages avec changement d'affichage par saut que le cas particulier décrit ci-dessus d'un affichage de quantième, par exemple des affichages AM/PM, ou jour/nuit, ou encore tout affichage rétrograde.The same problem concerns other displays with change of display by jump than the particular case described above of a date display, for example AM/PM or day/night displays, or even any retrograde display.

Le document CH203181A au nom de BROWN décrit un garde-temps sidéral indiquant les degrés d'arc sur trois disques, affectés respectivement aux unités, aux dizaines et aux centaines, où le disque des dizaines, ne porte que les sept chiffres 0 à 6, et est associé à un secteur concentrique qui porte les chiffres 7, 8 et 9, et qui est lié au disque en question avec un jeu qui permet à ce secteur d'être entraîné successivement de trois divisions par le disque des unités, à la fin de trois tours sur quatre du disque des dizaines, qui reste alors immobile.The document CH203181A in the name of BROWN describes a sidereal timepiece indicating the degrees of arc on three discs, assigned respectively to the units, to the tens and to the hundreds, where the tens disc bears only the seven digits 0 to 6, and is associated to a concentric sector which bears the numbers 7, 8 and 9, and which is linked to the disc in question with a clearance which allows this sector to be carried successively by three divisions by the unit disc, at the end of three revolutions on four of the tens disc, which then remains motionless.

Un dispositif, actionné au quatrième tour du disque des dizaines par la rotation de ce disque, supprime sa liaison avec le secteur et fait en même temps apparaître à la périphérie du disque des dizaines une dent escamotable, qui permet au disque des unités d'entraîner coup sur coup le disque des dizaines de deux divisions, pour les indications 360, puis 001.A device, actuated on the fourth turn of the tens disc by the rotation of this disc, removes its connection with the sector and at the same time causes a retractable tooth to appear on the periphery of the tens disc, which allows the units disc to drive in quick succession the tens disk of two divisions, for the indications 360, then 001.

Résumé de l'inventionSummary of the invention

Pour un mécanisme d'affichage avec changement d'affichage par saut, tel que notamment et non limitativement un mécanisme de quantième complexe, tel que quantième perpétuel, ou quantième à affichage à grands guichets ou à rouleaux, il est intéressant d'avoir un passage de quantième à minuit, instantané, mais visible par l'utilisateur, pendant quelques secondes. Par exemple un passage du 28 février au premier mars en 3 à 4 secondes. Cette réduction de la notion d'instantané devient qualitative.For a display mechanism with change of display by jump, such as in particular and without limitation a complex calendar mechanism, such as a perpetual calendar, or a calendar with a display with large apertures or rollers, it is advantageous to have a passage date at midnight, instantaneous, but visible to the user for a few seconds. For example a passage from February 28 to March 1 in 3 to 4 seconds. This reduction of the notion of instantaneous becomes qualitative.

La présente invention se propose de développer un entraînement d'affichage régulé, dont le saut puisse être visible par l'utilisateur, et est plus particulièrement décrite pour un mécanisme d'affichage de quantième régulé.The present invention proposes to develop a regulated display drive, the jump of which can be seen by the user, and is more particularly described for a regulated date display mechanism.

A cet effet, l'invention concerne un mécanisme d'affichage d'horlogerie avec afficheur mobile par sauts, selon la revendication 1.To this end, the invention relates to a timepiece display mechanism with display moving by jumps, according to claim 1.

L'invention concerne encore un mouvement d'horlogerie comportant un tel mécanisme d'affichage.The invention also relates to a timepiece movement comprising such a display mechanism.

L'invention concerne encore une montre comportant un tel mouvement d'horlogerie ou/et un tel mécanisme d'affichage.The invention also relates to a watch comprising such a clock movement and/or such a display 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 :

  • la figure 1 représente, de façon schématisée, et en plan, le mécanisme d'affichage d'horlogerie avec afficheur mobile par sauts selon l'invention, tel qu'il est visible en milieu d'après-midi. Ce mécanisme comporte un barillet avec un ressort entre l'arbre d'un premier mobile entraîné par le mouvement, et un tambour portant une came périphérique en colimaçon parcourue par un galet commandant le saut, qui est ici un saut périodique, d'un afficheur. Le tambour porte un doigt périphérique, qui est agencé pour coopérer avec, selon le cas, une butée ou un bec d'une ancre pivotante dont le pivotement est commandé par un excentrique du premier mobile; la libre rotation du tambour est freinée par un mécanisme régulateur en partie gauche de la figure ;
  • la figure 2 est une coupe du mécanisme de la figure 1, selon les tracés A-B et AD de la figure 1, la partie 2A représente plus particulièrement la zone du tambour, de l'ancre, et du galet, et la figure 2B représente plus particulièrement la zone du mécanisme régulateur ;
  • la figure 3 est une coupe du mécanisme de la figure 1, selon le tracé B-C de la figure 1 ;
  • la figure 4 représente, de façon similaire à la figure 1, le même mécanisme peu avant midi, vers 11 heures ;
  • la figure 5 représente, de façon similaire à la figure 1, le même mécanisme peu après midi, vers 12 heures trente ;
  • la figure 6 représente, de façon similaire à la figure 1, le même mécanisme peu avant minuit, vers 23 heures ;
  • la figure 7 représente, de façon similaire à la figure 1, le même mécanisme peu après minuit, vers zéro heure trente;
  • la figure 8 représente, de façon similaire à la figure 1, la seule zone du mécanisme régulateur ;
  • la figure 9 représente, de façon similaire à la figure 1, la seule zone du tambour et de l'ancre, laquelle est représentée dans ses positions angulaires extrêmes : en trait plein l'après-midi, et en trait interrompu le matin;
  • la figure 10 représente, de façon similaire à la figure 1, la seule zone de la came et du galet palpeur commandant l'afficheur;
  • la figure 11 représente, sous forme de schéma-blocs, une montre comportant un mouvement, lequel d'une part comporte un mécanisme d'affichage selon l'invention, et d'autre part entraîne un autre mécanisme d'affichage selon l'invention.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically, and in plan, the clockwork display mechanism with mobile display by jumps according to the invention, as it is visible in the middle of the afternoon. This mechanism comprises a barrel with a spring between the shaft of a first mobile driven by the movement, and a drum carrying a peripheral spiral cam traversed by a roller controlling the jump, which here is a periodic jump, of a display . The drum carries a peripheral finger, which is arranged to cooperate with, depending on the case, a stop or a beak of a pivoting anchor whose pivoting is controlled by an eccentric of the first mobile; the free rotation of the drum is braked by a regulator mechanism in the left part of the figure;
  • the picture 2 is a section of the mechanism of the figure 1 , according to plots AB and AD of the figure 1 , part 2A represents more particularly the zone of the drum, the anchor, and the roller, and the figure 2B represents more particularly the zone of the regulating mechanism;
  • the picture 3 is a section of the mechanism of the figure 1 , according to the plot BC of the figure 1 ;
  • the figure 4 represents, similarly to the figure 1 , the same mechanism shortly before noon, around 11 o'clock;
  • the figure 5 represents, similarly to the figure 1 , the same mechanism shortly after noon, around 12:30 p.m.;
  • the figure 6 represents, similarly to the figure 1 , the same mechanism shortly before midnight, around 11 p.m.;
  • the figure 7 represents, similarly to the figure 1 , the same mechanism shortly after midnight, around half past zero;
  • the figure 8 represents, similarly to the figure 1 , the only zone of the regulating mechanism;
  • the figure 9 represents, similarly to the figure 1 , the only zone of the drum and the anchor, which is represented in its extreme angular positions: in full line in the afternoon, and in broken line in the morning;
  • the figure 10 represents, similarly to the figure 1 , the only zone of the cam and of the feeler roller controlling the display;
  • the figure 11 represents, in the form of block diagrams, a watch comprising a movement, which on the one hand comprises a display mechanism according to the invention, and on the other hand drives another display mechanism according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of Preferred Embodiments

L'invention concerne un mécanisme d'affichage 1 d'horlogerie avec afficheur 100 mobile par sauts. Plus particulièrement cet afficheur est mobile par sauts périodiques. C'est le cas de la réalisation illustrée par les figures.The invention relates to a clockwork display mechanism 1 with display 100 movable by jumps. More particularly, this display is mobile by periodic jumps. This is the case of the embodiment illustrated by the figures.

Ce mécanisme 1 comporte au moins un ressort 2 entre un premier mobile 4 et un deuxième mobile 30. Ce premier mobile 4, ou respectivement ce deuxième mobile 30, est agencé pour être entraîné par un mobile d'entraînement 201, que comporte, ou bien le mécanisme d'affichage lui-même, ou un mécanisme extérieur, tel qu'un mouvement 500 ou similaire.This mechanism 1 comprises at least one spring 2 between a first mobile 4 and a second mobile 30. This first mobile 4, or respectively this second mobile 30, is arranged to be driven by a driving mobile 201, which comprises, or the display mechanism itself, or an external mechanism, such as a 500 movement or similar.

Selon l'invention, le mobile qui n'est pas entraîné directement par le mobile d'entraînement 201, c'est-à-dire le deuxième mobile 30, ou respectivement le premier mobile 4, est agencé pour entraîner ou porter une came 5.According to the invention, the mobile which is not driven directly by the drive mobile 201, that is to say the second mobile 30, or respectively the first mobile 4, is arranged to drive or carry a cam 5 .

Selon l'invention, cette came 5 est une came périphérique en colimaçon 51, qui est parcourue par un palpeur 6, lequel est agencé pour commander le saut, et notamment le saut périodique, d'un tel afficheur 100.According to the invention, this cam 5 is a spiral peripheral cam 51, which is traversed by a sensor 6, which is arranged to control the jump, and in particular the periodic jump, of such a display 100.

Et le mécanisme 1 comporte des moyens de verrouillage/déclenchement 70, qui comportent, d'une part au moins un doigt 7 entraîné par le deuxième mobile 30, ou respectivement le premier mobile 4, et d'autre part un troisième mobile 80 qui est agencé pour, selon sa position angulaire, arrêter ou libérer cet au moins un doigt 7, pour interdire ou respectivement autoriser la rotation de la came 5.And the mechanism 1 comprises locking/triggering means 70, which comprise, on the one hand at least one finger 7 driven by the second mobile 30, or respectively the first mobile 4, and on the other hand a third mobile 80 which is arranged to, according to its angular position, stop or release this at least one finger 7, to prohibit or respectively authorize the rotation of the cam 5.

La fonction de cette came 5 est d'imposer une certaine durée de parcours du palpeur 6, pour réaliser un changement d'affichage, de façon bien visible par l'utilisateur: le saut s'étale ainsi sur une durée de quelques secondes, correspondant au plus long parcours possible en périphérie de la came.The function of this cam 5 is to impose a certain travel time of the feeler 6, to effect a change of display, in a manner clearly visible to the user: the jump thus spreads out over a period of a few seconds, corresponding the longest possible distance around the cam.

De façon à ce que ce changement d'affichage s'effectue de la façon la plus uniforme possible, de façon avantageuse, le mécanisme 1 comporte un mécanisme de régulation 9 pour réguler la vitesse de rotation du mobile qui porte la came 5 : ce mécanisme de régulation 9 comporte notamment, dans la version illustrée, un rouage de régulation, qui engrène avec celui du deuxième mobile 30, ou respectivement du premier mobile 4 qui entraîne ou porte la came 5 pour limiter sa vitesse de rotation quand le doigt 7 est libéré.So that this change of display takes place in the most uniform way possible, advantageously, the mechanism 1 comprises a regulation mechanism 9 to regulate the speed of rotation of the mobile which carries the cam 5: this mechanism control gear 9 comprises in particular, in the illustrated version, a control train, which meshes with that of the second mobile 30, or respectively of the first mobile 4 which drives or carries the cam 5 to limit its speed of rotation when the finger 7 is released .

Plus particulièrement, dans la réalisation non limitative illustrée par les figures, le mécanisme 1 comporte au moins un ressort 2 enroulé entre, d'une part un arbre 41 du premier mobile 4, et d'autre part le deuxième mobile 30. Plus particulièrement encore, ce deuxième mobile 30 est un tambour 3, qui porte au moins un doigt 7 périphérique, sans interférence avec la trajectoire du palpeur 6, et notamment extérieur à la trajectoire du palpeur 6. Ce tambour 3 porte une came 5 périphérique, laquelle comporte, plus particulièrement, au moins un seuil de remise à zéro 52 après un saut de l'afficheur 100. Selon l'invention la came est périphérique en colimaçon 51. La came 5 est parcourue par un palpeur 6 agencé pour commander le saut, notamment le saut périodique, d'un afficheur 100, notamment mais non limitativement de quantième.More particularly, in the non-limiting embodiment illustrated by the figures, the mechanism 1 comprises at least one spring 2 wound between, on the one hand a shaft 41 of the first mobile 4, and on the other hand the second mobile 30. More particularly still , this second mobile 30 is a drum 3, which carries at least one peripheral finger 7, without interference with the trajectory of the feeler 6, and in particular outside the trajectory of the feeler 6. This drum 3 carries a peripheral cam 5, which comprises, more particularly, at least one reset threshold 52 after a jump of the display 100. According to the invention, the cam is peripheral in a spiral shape 51. The cam 5 is traversed by a feeler 6 arranged to control the jump, in particular the periodic jump, of a display 100, in particular but not limited to the date.

Dans la réalisation illustrée, le colimaçon 51 comporte une longue rampe, qui s'étend depuis un niveau inférieur 511 vers un niveau supérieur 512, et un seuil 52 unique. Le palpeur 6 est un galet dans la variante non limitative illustrée par les figures. Dans d'autres variantes non illustrées, ce palpeur peut être un simple doigt frottant sur le profil de came, ou autre.In the embodiment illustrated, the spiral 51 comprises a long ramp, which extends from a lower level 511 to an upper level 512, and a single sill 52. The feeler 6 is a roller in the non-limiting variant illustrated by the figures. In other variants not shown, this sensor can be a simple finger rubbing on the cam profile, or other.

Dans d'autres variantes non illustrées, le colimaçon peut comporter, sur sa circonférence, une alternance de telles rampes et de tels seuils. Plus particulièrement et non limitativement, le secteur angulaire correspondant à chaque rampe est identique.In other variants not shown, the spiral may comprise, on its circumference, an alternation of such ramps and such sills. More particularly and without limitation, the angular sector corresponding to each ramp is identical.

Dans les réalisations illustrées, selon l'invention, le troisième mobile 80 est une ancre 8, qui est mobile angulairement autour d'un axe d'ancre D8 sous l'action du premier mobile 4, ou respectivement du deuxième mobile 30. Cette ancre 8 est agencée pour, selon sa position angulaire, arrêter ou libérer cet au moins un doigt 7, pour interdire ou respectivement autoriser la rotation de la came 5.In the embodiments illustrated, according to the invention, the third mobile 80 is an anchor 8, which is angularly mobile around an anchor axis D8 under the action of the first mobile 4, or respectively of the second 30. This anchor 8 is arranged to, depending on its angular position, stop or release this at least one finger 7, to prohibit or respectively authorize the rotation of the cam 5.

Plus particulièrement, le premier mobile 4 comporte un maneton excentrique 42, qui guide en permanence une rainure 81, que comporte une ancre 8 de déclenchement, pour commander des va-et-vient périodiques de cette ancre 8 pivotante. Cette ancre 8 comporte, de part et d'autre de son axe d'ancre D8, un bec 83 et une butée 84 pour arrêter ou relâcher le doigt 7 selon la position angulaire de l'ancre 8.More particularly, the first mobile 4 comprises an eccentric pin 42, which permanently guides a groove 81, which comprises an anchor 8 for triggering, to control the periodic to-and-fro movements of this pivoting anchor 8. This anchor 8 comprises, on either side of its anchor axis D8, a beak 83 and a stop 84 to stop or release the finger 7 depending on the angular position of the anchor 8.

La course angulaire de chaque doigt 7 entre son relâchement par le bec 83 et son retour en appui sur la butée 84 définit la durée du saut, c'est-à-dire du changement d'affichage.The angular travel of each finger 7 between its release by the beak 83 and its return to bearing on the stop 84 defines the duration of the jump, that is to say the change of display.

Dans le cas particulier illustré par les figures, le doigt 7 est unique.In the particular case illustrated by the figures, the finger 7 is unique.

Dans le cas particulier illustré par les figures, le seuil de remise à zéro 52 sur la came 5 est unique.In the particular case illustrated by the figures, the reset threshold 52 on the cam 5 is unique.

Dans une application particulière de l'invention, illustrée par les figures, le mécanisme 1 comporte un barillet 10 comportant au moins un tel ressort 2 entre d'une part l'arbre du barillet 10, qui est solidaire avec l'arbre 41 du premier mobile 4, ou qui le constitue, et d'autre part le tambour 3.In a particular application of the invention, illustrated by the figures, the mechanism 1 comprises a barrel 10 comprising at least one such spring 2 between on the one hand the shaft of the barrel 10, which is integral with the shaft 41 of the first mobile 4, or which constitutes it, and on the other hand the drum 3.

Néanmoins ce ressort 2 peut aussi être n'importe quel ressort adéquat, le ressort de barillet n'est qu'un cas particulier, qui se prête bien à la mise en œuvre industrielle de l'invention.Nevertheless, this spring 2 can also be any suitable spring, the mainspring is only a particular case, which lends itself well to the industrial implementation of the invention.

Dans l'exemple non limitatif illustré, l'armage du ressort 2 est effectué par un mobile d'entraînement 201, qui est une roue de 24 heures ou qui est relié dans un rouage à une roue de 24 heures. L'armage du ressort peut être réalisé par un autre moyen que la roue de 24h, par exemple un rouage d'automatique entraîné par une masse oscillante, un mécanisme de remontage manuel, ou autre.In the non-limiting example illustrated, the winding of the spring 2 is carried out by a driving wheel set 201, which is a 24-hour wheel or which is connected in a gear train to a 24-hour wheel. The spring can be wound by means other than the 24-hour wheel, for example an automatic gear train driven by an oscillating weight, a manual winding mechanism, or other.

Plus particulièrement, le premier mobile 4 est pivotant, et entraîné dans un rapport entier de vitesse par un mobile d'entraînement 201.More particularly, the first wheel set 4 is pivotable, and driven in an entire speed ratio by a drive wheel set 201.

Le mouvement de va-et-vient de l'ancre 8 définit une course angulaire, rapportée à l'axe D4 du premier mobile 4, de chaque doigt 7 entre son relâchement par le bec 83 et son retour en appui sur la butée 84. Cette course angulaire définit la durée de saut, qui correspond à la durée de la course du palpeur 6 sur la came 5, d'abord selon une rampe douce en montée progressive depuis un niveau inférieur 511 vers un niveau supérieur 512 du colimaçon 51 puis en redescente instantanée au niveau inférieur 511 lors du franchissement du seuil de remise à zéro 52. Ce retour à la position du niveau inférieur 511 par le flanc raide du seuil 52 se fait instantanément, et sans influencer l'affichage, par exemple grâce à un système de doigt cliquet sur une étoile, ou similaire.The to-and-fro movement of the anchor 8 defines an angular travel, relative to the axis D4 of the first mobile 4, of each finger 7 between its release by the beak 83 and its return to rest on the abutment 84. This angular stroke defines the jump duration, which corresponds to the duration of the stroke of the feeler 6 on the cam 5, first according to a gentle ramp gradually rising from a lower level 511 to an upper level 512 of the spiral 51 then instantaneous descent to the lower level 511 when crossing the reset threshold 52. This return to the position of the lower level 511 by the steep side of the threshold 52 is done instantaneously, and without influencing the display, for example by means of a click finger system on a star, or the like.

Ainsi, chaque saut correspond à un changement d'état de l'afficheur 100 entre un état antérieur et un état postérieur, et la durée de saut correspond au laps de temps écoulé entre l'affichage stable de l'état antérieur et l'affichage stable de l'état postérieur.Thus, each jump corresponds to a change of state of the display 100 between an earlier state and a later state, and the jump duration corresponds to the lapse of time between the stable display of the earlier state and the display stable from the posterior state.

Plus particulièrement, le premier mobile 4 d'entrée est agencé pour être entraîné par un mobile d'entraînement en continu 201 et pour accomplir, pendant une révolution du mobile d'entraînement en continu 201, une révolution ou un nombre entier de tours ou une fraction entière de tour.More particularly, the first input wheel set 4 is arranged to be driven by a continuous drive wheel set 201 and to accomplish, during one revolution of the continuous drive wheel set 201, a revolution or an integer number of revolutions or a whole fraction of a turn.

Une application particulière de l'invention est illustrée par les figures.A particular application of the invention is illustrated by the figures.

Le mobile d'entraînement 201 est une roue de 24 heures fournissant l'énergie, et la référence temporelle (un tour en 24 heures) d'un mouvement horloger classique.The drive wheel 201 is a 24-hour wheel supplying the energy, and the time reference (one revolution in 24 hours) of a conventional watch movement.

Ce mobile d'entraînement 201 entraine un premier mobile d'entrée 4, qui est ici une roue de 24 heures auxiliaire. Ce premier mobile d'entrée 4 porte un maneton excentrique 42, et son arbre 41 est relié à un ressort 2 de barillet 3 auxiliaire. Ce barillet auxiliaire 3 est donc, ici, armé d'un tour par 24 heures.This drive wheel 201 drives a first input wheel 4, which here is an auxiliary 24-hour wheel. This first entry mobile 4 carries an eccentric pin 42, and its shaft 41 is connected to a spring 2 of the auxiliary barrel 3. This auxiliary barrel 3 is therefore, here, armed with one turn per 24 hours.

Le maneton excentrique 42 coopère en continu avec la rainure 81 de l'ancre 8, qui est une rainure oblongue droite dans le cas particulier des figures, de la roue de 24h aux. L'ancre de déclenchement 8 effectue de ce fait un va et vient en 24 heures. On comprend que l'exemple illustré concerne un saut journalier unique à minuit pour le cas particulier d'un quantième, mais il est possible d'extrapoler l'invention à tout affichage avec une autre période en jouant sur les rapports d'engrenage, le nombre de doigts 7 et leurs positions, le nombre de troisièmes mobiles 80, notamment d'ancres 8, le nombre de seuils de remise à zéro 52, pour effectuer d'autres commandes de sauts.The eccentric pin 42 cooperates continuously with the groove 81 of the anchor 8, which is a straight oblong groove in the particular case of the figures, of the 24h wheel. The trigger anchor 8 therefore performs a back and forth in 24 hours. It is understood that the example illustrated relates to a single daily jump at midnight for the particular case of a date, but it is possible to extrapolate the invention to any display with another period by playing on the gear ratios, the number of fingers 7 and their positions, the number of third mobiles 80, in particular of anchors 8, the number of reset thresholds 52, to carry out other jump commands.

Par exemple une application avec deux sauts journaliers à midi et à minuit permet le changement d'état d'un indicateur AM/PM, ou une application avec deux sauts journaliers à 6 heures et à 18 heures permet le changement d'état d'un indicateur jour/nuit.For example, an application with two daily jumps at noon and midnight allows the change of state of an AM/PM indicator, or an application with two daily jumps at 6 a.m. and 6 p.m. allows the change of state of a day/night indicator.

Une autre application encore concerne un semainier, avec rotation de sept jours, et affichage du jour de la semaine. Bien d'autres applications sont accessibles et avantageuses à l'homme du métier, car l'invention procure une visibilité nouvelle des changements d'affichage, qui constitue un perfectionnement agréable pour l'utilisateur.Yet another application concerns a weekly planner, with rotation of seven days, and display of the day of the week. Many other applications are accessible and advantageous to those skilled in the art, because the invention provides new visibility of display changes, which constitutes a pleasing improvement for the user.

Le va et vient de l'ancre 8 libère donc la rotation du tambour 3, notamment du tambour 3 du barillet 10 dans le cas des figures, par son doigt 7, à minuit pour autoriser sa rotation d'un angle d'environ 330°, et à midi de 30° complémentaires.The comings and goings of the anchor 8 therefore releases the rotation of the drum 3, in particular of the drum 3 of the barrel 10 in the case of the figures, by its finger 7, at midnight to authorize its rotation through an angle of approximately 330° , and at noon an additional 30°.

Dans une exécution particulière, le maneton excentrique 42 est assemblé sur l'arbre 41 par friction, pour permettre une indexation du saut, par exemple à minuit pour le quantième.In a particular execution, the eccentric pin 42 is assembled on the shaft 41 by friction, to allow indexing of the jump, for example at midnight for the date.

La rotation du tambour 3 de 330° entraine le mécanisme d'affichage, notamment de quantième, par la came 5 périphérique en colimaçon 51, qui lui est attachée, et qui applique un mouvement au palpeur 6, qui est sur les figures un galet de l'entrainement de quantième, agencé pour mouvoir l'afficheur 100. La suite des fonctions d'affichage, en particulier de quantième, se fait de manière connue, par exemple sous forme de quantième simple ou perpétuel.The rotation of the drum 3 by 330° drives the display mechanism, in particular the date, by the peripheral spiral cam 51 51, which is attached to it, and which applies a movement to the feeler 6, which is in the figures a roller of the date drive, arranged to move the display 100. The rest of the display functions, in particular the date, is done in known manner, for example in the form of a simple or perpetual date.

La rotation de 30° complémentaire est perdue, cette rotation est juste nécessaire pour la fonction de l'ancre 8 de déclenchement.The additional 30° rotation is lost, this rotation is just necessary for the function of the release anchor 8.

Plus particulièrement, avantageusement, le mécanisme 1 est également lié à un mécanisme de régulation 9, ou comporte un mécanisme de régulation 9. Le tambour 3 engrène avec un rouage de ce mécanisme de régulation 9, notamment dans la variante illustrée par les figures, avec un pignon 91 d'une roue de régulation 92, laquelle engrène avec un pignon d'échappement 95, solidaire d'une roue d'échappement de régulation 94. Lors de la rotation du tambour 3, la roue de régulation 92 est entraînée. La roue d'échappement de régulation 94 comporte des dents 95, qui sont agencées pour coopérer avec une ancre de régulation 97, laquelle comporte des palettes 98 et 99. Sous le couple imprimé par le tambour 3, l'ancre de régulation 97 passe alternativement d'une de ses palettes sur l'autre, en entraînant une masse d'inertie 970 qui lui est solidaire. Ce mouvement oscillant de l'ancre de régulation 97 a une fréquence propre qui, sans être aussi isochrone qu'un balancier spiral, permet une bonne régulation d'une fonction. La fréquence de l'oscillateur peut être sensiblement modifiée avec un ressort complémentaire 971, ici monté mobile sur une tête de vis 972, ce qui permet de changer, dans une petite mesure, le temps de fonction.More particularly, advantageously, the mechanism 1 is also linked to a regulation mechanism 9, or comprises a regulation mechanism 9. The drum 3 meshes with a cog of this regulation mechanism 9, in particular in the variant illustrated by the figures, with a pinion 91 of a regulation wheel 92, which meshes with an escapement pinion 95, fixed to a regulation escapement wheel 94. During the rotation of the drum 3, the regulation wheel 92 is driven. The regulating escapement wheel 94 comprises teeth 95, which are arranged to cooperate with a regulating anchor 97, which comprises pallets 98 and 99. Under the torque imparted by the drum 3, the regulating anchor 97 passes alternately of one of its pallets on the other, by driving an inertial mass 970 which is integral with it. This oscillating movement of regulating anchor 97 has a natural frequency which, without being as isochronous as a spiral balance wheel, allows good regulation of a function. The frequency of the oscillator can be substantially modified with an additional spring 971, here movably mounted on a 972 screw head, which makes it possible to change, to a small extent, the operating time.

D'autres variantes de mécanisme de régulation 9 sont aussi utilisables : régulateur à inertie, à frein centrifuge, à frein magnétique, ou frein à courants de Foucault, ou autres.Other variants of regulation mechanism 9 can also be used: inertial regulator, centrifugal brake, magnetic brake, or eddy current brake, or others.

C'est ce système de régulation qui limite la vitesse du tambour à 1 tour en 2 à 8 secondes environ.It is this regulation system which limits the speed of the drum to 1 revolution in approximately 2 to 8 seconds.

Les figures 4 à 7 illustrent la séquence dans l'application décrite ci-dessus.The figures 4 to 7 illustrate the sequence in the application described above.

La figure 4 illustre l'état du système peu avant midi, vers 11 heures. Le doigt 7 est en coopération d'appui avec la butée 84 de l'ancre 8. Le maneton excentrique 52 est très proche d'une première extrémité 811 de la rainure oblongue 81 de l'ancre 8. Le galet du palpeur 6 est en appui sur le niveau inférieur 511 du colimaçon 51, à proximité immédiate du seuil de remise à zéro 52, dont la position est matérialisée par une radiale en trait mixte. L'entraînement du quantième est donc inactif.The figure 4 illustrates the state of the system shortly before noon, around 11 a.m. The finger 7 is in support cooperation with the abutment 84 of the anchor 8. The eccentric pin 52 is very close to a first end 811 of the oblong groove 81 of the anchor 8. The roller of the feeler 6 is in bearing on the lower level 511 of the spiral 51, in the immediate vicinity of the reset threshold 52, the position of which is materialized by a radial in dotted line. The date drive is therefore inactive.

La figure 5 illustre l'état du système peu après midi, vers 12 heures trente. Le doigt 7 est en coopération d'appui avec le bec 83 de l'ancre 8. Le maneton excentrique 52 est encore proche de la première extrémité 811 de la rainure oblongue 81. Le galet du palpeur 6 est en appui sur le niveau inférieur 511 du colimaçon 51, à une distance angulaire a, ici d'environ 30°, du seuil de remise à zéro 52. L'entraînement du quantième est encore inactif.The figure 5 illustrates the state of the system shortly after noon, around 12:30 p.m. The finger 7 is in bearing cooperation with the beak 83 of the anchor 8. The eccentric pin 52 is still close to the first end 811 of the oblong groove 81. The roller of the feeler 6 is resting on the lower level 511 of the spiral 51, at an angular distance a, here approximately 30°, from the reset threshold 52. The date drive is still inactive.

La figure 6 illustre l'état du système peu avant minuit, vers 23 heures. Le doigt 7 est pointe contre pointe avec le bec 83 de l'ancre 8 : le tambour 3 pourra ainsi être libéré, pour sa rotation de presque un tour, dès que ce contact ponctuel sera rompu. Le maneton excentrique 52 a traversé dans l'après-midi la rainure oblongue 81 de l'ancre 8, et est maintenant très proche d'une deuxième extrémité 812 de cette rainure oblongue 81. Le galet du palpeur 6 est encore en appui sur le niveau inférieur 511 du colimaçon 51, à proximité immédiate du seuil de remise à zéro 52. L'entraînement du quantième est toujours inactif.The figure 6 illustrates the state of the system shortly before midnight, around 11 p.m. The finger 7 is point against point with the beak 83 of the anchor 8: the drum 3 can thus be released, for its rotation of almost one revolution, as soon as this point contact is broken. The eccentric pin 52 crossed in the afternoon the oblong groove 81 of the anchor 8, and is now very close to a second end 812 of this oblong groove 81. The roller of the feeler 6 is still bearing on the lower level 511 of the spiral 51, in the immediate vicinity of the reset threshold 52. The drive of the date is still inactive.

Peu après, au voisinage de minuit, le doigt 7 quitte le bec 83 de l'ancre 8, le tambour 3 effectue sa rotation d'un angle β, ici d'environ 330°. Pendant cette rotation qui est régulée par le mécanisme de régulation 9, détaillé sur la figure 1, afin de durer quelques secondes et être bien visible pour l'utilisateur, le galet du palpeur 6 parcourt d'abord le niveau inférieur 511 du colimaçon 51, puis monte sur le niveau supérieur 512, activant l'entraînement du quantième pour l'affichage de la nouvelle date. Le galet 6 chute lors du passage du seuil de remise à zéro 52.Shortly after, around midnight, the finger 7 leaves the beak 83 of the anchor 8, the drum 3 performs its rotation through an angle β, here approximately 330°. During this rotation which is regulated by the regulation mechanism 9, detailed on the figure 1 , in order to last a few seconds and be clearly visible to the user, the feeler roller 6 first traverses the lower level 511 of the spiral 51, then rises to the level upper 512, activating the date drive for the display of the new date. The roller 6 drops when passing the reset threshold 52.

La figure 7 illustre l'état du système peu après minuit, vers 0 heures trente. Le doigt 7 est à nouveau en coopération d'appui avec la butée 84 de l'ancre 8. Le maneton excentrique 52 est encore proche de la deuxième extrémité 812 de la rainure oblongue 81. Le galet du palpeur 6 est retombé, depuis sa position haute illustrée en trait mixte, dans sa position basse en appui sur le niveau inférieur 511 du colimaçon 51. L'angle β parcouru est celui formé entre les positions du seuil de remise à zéro 52 sur les figures 6 et 7.The figure 7 illustrates the state of the system shortly after midnight, around 12:30 a.m. The finger 7 is again in bearing cooperation with the abutment 84 of the anchor 8. The eccentric pin 52 is still close to the second end 812 of the oblong groove 81. The roller of the feeler 6 has fallen, from its position top illustrated in phantom, in its low position resting on the lower level 511 of the snail 51. The angle β traversed is that formed between the positions of the reset threshold 52 on the figures 6 and 7 .

L'invention concerne encore un mouvement 500 d'horlogerie comportant un tel mécanisme d'affichage 1.The invention also relates to a watch movement 500 comprising such a display mechanism 1.

L'invention concerne encore une pièce d'horlogerie, notamment une horloge, ou une montre 1000, comportant un tel mouvement 500 ou/et un tel mécanisme d'affichage 1.The invention also relates to a timepiece, in particular a clock, or a watch 1000, comprising such a movement 500 and/or such a display mechanism 1.

Une variante de l'invention constitue la configuration inverse de celle illustrée par les figures : le deuxième mobile 30 est un barillet 3 agencé pour être entraîné par un mobile d'entraînement 201, et qui est porteur du troisième mobile 80. Et le premier mobile 4 est alors agencé pour entraîner ou porter ladite came 5 périphérique en colimaçon 51.A variant of the invention constitutes the reverse configuration of that illustrated by the figures: the second wheel set 30 is a barrel 3 arranged to be driven by a driving wheel set 201, and which carries the third wheel set 80. And the first wheel set 4 is then arranged to drive or carry said spiral peripheral cam 51.

La régulation peut être assurée par d'autre type de régulateur, de type de régulateur de sonnerie, par exemple régulateur à courants de Foucault, ou régulateur magnétique, ou régulateur électrostatique, ou autre.The regulation can be ensured by another type of regulator, of the type of bell regulator, for example eddy current regulator, or magnetic regulator, or electrostatic regulator, or other.

Le temps de la fonction, qui est défini par le type de mécanisme de régulation 9 choisi, peut être choisi librement, ici il est, non limitativement défini entre 1 et 30 secondes. En effet, à ces vitesses, les contraintes dynamiques engendrées par la vitesse sont négligeables, seules les contraintes statiques sont sensibles.The time of the function, which is defined by the type of regulation mechanism 9 chosen, can be chosen freely, here it is, without limitation defined between 1 and 30 seconds. Indeed, at these speeds, the dynamic stresses generated by the speed are negligible, only the static stresses are significant.

Le saut de quantième se fait de manière à ne générer que des contraintes pouvant être calculées en statique, l'effet dynamique lié aux inerties des composants pendant le saut est négligeable.The date jump is done in such a way as to generate only constraints that can be calculated statically, the dynamic effect linked to the inertias of the components during the jump is negligible.

Le saut se fait de manière jugée instantanée à l'échelle d'une journée, mais en restant bien visible par l'utilisateur, ce qui donne un rendu qualitatif.The jump is considered instantaneous on the scale of a day, but remains clearly visible to the user, which gives a qualitative rendering.

Le saut étant limité à quelques secondes, les limitations temporelles pour les corrections de quantième sont limitées, de même les risques de perte d'informations et les défauts de fonctionnement sont limités.The jump being limited to a few seconds, the temporal limitations for the date corrections are limited, likewise the risks of loss of information and operating faults are limited.

Claims (14)

  1. Timepiece display mechanism (1) including at least one display member (100) that moves in jumps, said mechanism (1) including at least one spring (2) between a first wheel set (4) and a second wheel set (30),said first wheel set (4) or respectively said second wheel set (30) being arranged to be driven by a drive wheel set (201), wherein said second wheel set (30) or respectively said first wheel set (4) is arranged to drive or carry a peripheral snail (51) cam (5) traversed by a feeler (6) arranged to control the jump of a said display member (100), and wherein said mechanism (1) includes locking/release means (70) including, on the one hand at least one finger (7) driven by said second wheel set (30) or respectively said first wheel set (4), and on the other hand, a third wheel set (80) arranged, depending on its angular position, to stop or release said at least one finger (7), to prevent or respectively allow rotation of said cam (5), characterized in that said third wheel set (80) is an anchor piece (8) angularly movable about an anchor piece axis (D8) under the action of said first wheel set (4) or respectively of said second wheel set (30), said anchor piece (8) being arranged, depending on its angular position, to stop or release said at least one finger (7), to prevent or respectively allow rotation of said cam (5).
  2. Mechanism (1) according to claim 1, characterized in that said mechanism (1) includes a regulating mechanism (9) including a regulating train meshing with that of said second wheel set (30) or respectively of said first wheel set (4) which drives or carries said cam (5), to limit the rotational speed thereof when said finger (7) is released.
  3. Mechanism (1) according to claim 1 or 2, characterized in that said at least one spring (2) is wound between an arbor (41) of said wheel set (4) and said second wheel set (30).
  4. Mechanism (1) according to any of claims 1 to 3, characterized in that said second wheel set (30) is a drum (3) carrying at least one peripheral finger (7) outside the trajectory of said feeler (6).
  5. Mechanism (1) according to any of claims 1 to 4, characterized in that said first wheel set (4) includes an eccentric crank pin (42) permanently guiding a groove (81) to control the periodic back and forth motions of said pivoting anchor piece (8), which includes, on either side of said anchor piece axis (D8), a beak (83) and a stop (84) for stopping or releasing said finger (7) depending on the angular position of said anchor piece (8), the angular travel of each finger (7) between its release by said beak (83) and return to abutment on said stop (84) defining the jump duration.
  6. Mechanism (1) according to claim 4 and any of claims 1 to 5, characterized in that said mechanism (1) includes a barrel (10) comprising at least one said spring (2) between, on the one hand, the arbor of said barrel (10), which is integral with said arbor (41) of said first wheel set (4), or which forms the latter, and on the other hand, said drum (3).
  7. Mechanism (1) according to any of claims 1 to 6, characterized in that said first wheel set (4) pivots and is driven with an integer gear ratio by a said drive wheel set (201), in that said snail (51) comprises a zero reset threshold (52) after a said jump, and in that the angular travel, relative to the axis (D4) of said first wheel set (4), of each finger (7) between its release by said beak (83) and return to abutment on said stop (84) defines the jump duration which corresponds to the duration of travel of said feeler (6) on said cam (5), firstly on a ramp that gradually ascends from a lower level (511) to an upper level (512) of said snail (51) and then instantly drops back to said lower level (511) on crossing said zero reset threshold (52).
  8. Mechanism (1) according to any of claims 1 to 7, characterized in that each jump corresponds to a change of state of said display member (100) between an earlier state and a later state, and to a jump duration corresponding to the period of time that elapses between stable display of said earlier state and stable display of said later state.
  9. Mechanism (1) according to any of claims 1 to 8, characterized in that said first input wheel set (4) is arranged to be driven by a said continuous drive wheel set (201) and to complete, during one revolution of said continuous drive wheel set (201), one revolution or an integer number of turns or a whole fraction of a turn.
  10. Display mechanism (1) according to any of claims 1 to 3, characterized in that said second wheel set (30) is a barrel (3) arranged to be driven by a drive wheel set (201), and which carries said third wheel set (80), and in that said first wheel set (4) is arranged to drive or carry said peripheral snail (51) cam (5).
  11. Mechanism (1) according to any of claims 1 to 10, characterized in that said display member (100) moves in periodic jumps.
  12. Mechanism (1) according to any of claims 1 to 11, characterized in that said display member (100) is a date display member.
  13. Timepiece movement (500) including a display mechanism (1) according to any of claims 1 to 12.
  14. Watch (1000) including a movement (500) according to claim 13 or/ a display mechanism (1) according to any of claims 1 to 12.
EP18161514.7A 2018-03-13 2018-03-13 Governed jumping display mechanism in a timepiece Active EP3540524B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18161514.7A EP3540524B1 (en) 2018-03-13 2018-03-13 Governed jumping display mechanism in a timepiece
JP2019040235A JP6676802B2 (en) 2018-03-13 2019-03-06 Coordinated jump display for timer
CN201910184994.XA CN110275421B (en) 2018-03-13 2019-03-12 Adjustable skip display mechanism for a timepiece
US16/299,182 US11188030B2 (en) 2018-03-13 2019-03-12 Regulated jumping display mechanism for timepieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18161514.7A EP3540524B1 (en) 2018-03-13 2018-03-13 Governed jumping display mechanism in a timepiece

Publications (2)

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EP3540524A1 EP3540524A1 (en) 2019-09-18
EP3540524B1 true EP3540524B1 (en) 2022-02-16

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Application Number Title Priority Date Filing Date
EP18161514.7A Active EP3540524B1 (en) 2018-03-13 2018-03-13 Governed jumping display mechanism in a timepiece

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US (1) US11188030B2 (en)
EP (1) EP3540524B1 (en)
JP (1) JP6676802B2 (en)
CN (1) CN110275421B (en)

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CN110275421B (en) 2020-12-11
JP2019158878A (en) 2019-09-19
JP6676802B2 (en) 2020-04-08
CN110275421A (en) 2019-09-24
US20190286058A1 (en) 2019-09-19
US11188030B2 (en) 2021-11-30
EP3540524A1 (en) 2019-09-18

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