EP3584642B1 - Setting mechanism for watch display mechanism comprising a rotating drum. - Google Patents

Setting mechanism for watch display mechanism comprising a rotating drum. Download PDF

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Publication number
EP3584642B1
EP3584642B1 EP18178318.4A EP18178318A EP3584642B1 EP 3584642 B1 EP3584642 B1 EP 3584642B1 EP 18178318 A EP18178318 A EP 18178318A EP 3584642 B1 EP3584642 B1 EP 3584642B1
Authority
EP
European Patent Office
Prior art keywords
wheel
display mechanism
roller
display
input
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
EP18178318.4A
Other languages
German (de)
French (fr)
Other versions
EP3584642A1 (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 CH00769/18A priority Critical patent/CH715107B1/en
Priority to EP18178318.4A priority patent/EP3584642B1/en
Priority to US16/405,173 priority patent/US11543778B2/en
Priority to JP2019100955A priority patent/JP6818085B2/en
Priority to CN201910521286.0A priority patent/CN110618598B/en
Publication of EP3584642A1 publication Critical patent/EP3584642A1/en
Application granted granted Critical
Publication of EP3584642B1 publication Critical patent/EP3584642B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—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
    • G04B19/24386—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 sheet-shaped
    • 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
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • 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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/2575—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
    • G04B19/24—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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • 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
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • G04B13/008—Differentials
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B19/205—Indicating by numbered bands, drums, discs, or sheets by means of sheets
    • 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
    • G04B19/207—Indicating by numbered bands, drums, discs, or sheets by means of bands
    • 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
    • G04B19/21—Drums
    • 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
    • G04B19/24386—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 sheet-shaped
    • G04B19/24393—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a 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
    • G04B19/24—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
    • G04B19/257—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 drum-shaped or three-dimensional shaped
    • G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a 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
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon
    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/002—The setting apparatus being crown shaped
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/007—Antimagnetic alloys
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0074—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment
    • G04D3/0079—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment for gearwork components
    • G04D3/0084—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment for gearwork components for axles, sleeves
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/02—Lathes, with one or more supports; Burnishing machines, with one or more supports
    • G04D3/0227—Lathes, with one or more supports; Burnishing machines, with one or more supports for the manufacture of special components for clockworks
    • G04D3/0236—Lathes, with one or more supports; Burnishing machines, with one or more supports for the manufacture of special components for clockworks for gearwork components
    • G04D3/0254—Lathes, with one or more supports; Burnishing machines, with one or more supports for the manufacture of special components for clockworks for gearwork components for axles, sleeves

Definitions

  • the invention relates to an adjustment mechanism for a clockwork display mechanism comprising at least a first input wheel arranged to directly or indirectly drive a first control wheel for controlling the position of a first display that said mechanism comprises. display.
  • the invention also relates to a display mechanism comprising at least one such adjustment mechanism.
  • the invention also relates to a watch comprising at least one such display mechanism.
  • the invention relates to the field of clockwork display mechanisms, and, more particularly, mechanisms for displaying complications such as calendar, moon phases, time zones, or the like.
  • the document CH 310559 in the name of the Fabrique d'Horlogerie de Fontainemelon describes an independent drive of two date displays, one for the tens and the other for the units, to display the 31 days of the month.
  • the invention proposes to facilitate the adjustment of complex display mechanisms, as well as to simplify the initial assembly in the factory.
  • the invention relates to an adjustment mechanism for a clock display mechanism according to claim 1.
  • the invention also relates to a display mechanism comprising at least one such adjustment mechanism.
  • the invention also relates to a watch comprising at least one such display mechanism.
  • the invention relates to an adjustment mechanism 10 for a clock display mechanism 20.
  • This display mechanism 20 comprises at least a first input wheel 2, which is arranged to directly or indirectly drive a first control wheel 3, to control the position of a first display 30 that this display mechanism 20 comprises. .
  • the adjustment mechanism 10 comprises a differential gear mechanism 50, which comprises a driving wheel assembly 4 retained by a display jumper 40.
  • This driving wheel assembly 4 is arranged to be driven in pivoting by the first wheel of input 2, and is arranged to drive at least one satellite 5 meshing with the first control wheel 3.
  • This satellite 5 is pivotally mounted and eccentric with respect to a planet carrier 6.
  • This planet carrier 6 forms a friction spring, and is mounted in friction, or else by protuberances 61, which it comprises, in a cavity 62 d 'a frame 15 of the adjustment mechanism 10, or else by internal friction on a bearing surface of said frame 15.
  • the differential gear mechanism 50 is arranged to multiply by a given particular factor, in particular an integer factor, the rotation between one of the inputs and the differential output when the other input is fixed. This factor is equal to two for the non-limiting embodiment illustrated by the figures, for the application to the roll of the units of a display by rolls; this ratio can be 1.0 or 0.5 if it is applied for example to the tens roll of the same display.
  • this planet carrier 6 comprises handling means 7, which are arranged to allow a watchmaker to release the friction to modify the angular position of the planet gear 5, a position which influences and determines the position of the first control wheel 3 for its correct indexing with respect to at least one other display 80 included in the display mechanism 20.
  • these handling means 7 comprise two arms that can be handled by tweezers or the like; in another embodiment, they may include holes or even lugs, arranged to cooperate with a tool of complementary shape, such as circlip pliers or the like.
  • These handling means 7 can also be used to modify the angular position of the satellite 5 without influencing the friction, this influence not being necessary for the function but providing comfort of use.
  • the invention also relates to a display mechanism 20 comprising at least one such adjustment mechanism 10. More particularly, the display mechanism 20 is an instantaneous or semi-instantaneous display mechanism, and comprises at least one driving mobile 9. comprising at least one finger 90 arranged to directly or indirectly drive the first input wheel 2.
  • the illustrated embodiment relates to a date display mechanism.
  • Such a display mechanism, or even a moon phase display, or of a time zone, or the like conventionally comprises at least one large wheel with a high number of small-sized teeth: 31, 59, 24 teeth, and the interface with a control finger or even with a jumper is generally imperfect.
  • the first input wheel 2 is a large wheel comprising at least 24 teeth.
  • the display mechanism 20 comprises, between each driving mobile 9 and the first input wheel 2, at least one return 91 comprising a number of teeth less than or equal to half the number of teeth. of the first input wheel 2.
  • Each finger 90 is arranged to cooperate with the return 91 or with a star 92 pivotally secured to the return 91.
  • the display mechanism 20 comprises at least one input jumper 93, for a position locking engaged only with the reference 91 or with such a star 92, and a correction jumper 94 also engaged only with the reference 91 or with such a star 92, for the modification of the position.
  • At least one reference 91 is pivotally attached to a star 92.
  • the display mechanism 20 comprises a first driving mobile 9 which is a driving mobile, and a second driving mobile 9 which is a correction mobile.
  • this at least one return 91 is arranged to shift by a single tooth, during each position jump of the return 91, the first input wheel 2, or a second input wheel 22, or a front wheel 21, pivotally synchronous with the first input wheel 2.
  • At least one transmission 91 has a pivot axis orthogonal to that of the first input wheel 2 or of a second input wheel 22 synchronous in pivoting with the first input wheel 2.
  • the display mechanism 20 comprises a second input wheel 22, or a front wheel 21, pivotally synchronous with the first input wheel 2, and with which second input wheel 22 or which front wheel 21 as in the case of the figures, at least one reference 91 cooperates.
  • the display mechanism 20 comprises a single reference 91 arranged to cooperate with each driving mobile 9.
  • the non-limiting example illustrated by the figures relates to a first input wheel 2 with 31 teeth, one of which is removed, pivotally synchronous with a second input wheel 22 pivotally synchronous with the first input wheel 2 and which is a wheel of 31 truncated teeth of which only 4 teeth remain in positions 10, 20, 30 and 31, and still pivotally synchronous with a front wheel of 31 teeth 21.
  • This front wheel 21 allows a change of axis of rotation, which is necessary for the display mechanism by rollers illustrated in the figures, the axes of the rollers being parallel to the plane of the plate, and perpendicular to the axes of the moving parts of the movement.
  • the reference 91 has 12 teeth, and cooperates with a twenty-four hour finger 90, conventionally mounted elastically on the driving mobile 9.
  • the return 91 is here coaxial and synchronous with a star of twelve 92.
  • the date finger driven by a clockwork movement, not shown, works once a day, at midnight, with the star of twelve 92 to take a step of 1/12.
  • the additional return 91 drives the front wheel 21 of 31 to make a jump of 1/31, in a gear ratio of 12/31.
  • the star of twelve 92 has only 12 teeth here, the drive function has greatly increased safety compared to a conventional direct drive on a 31-tooth wheel, and the locking by jumper is improved in the same way.
  • the gear 91 can be unique with the star 92, if NIHS type teeth are used, with pointed teeth allowing both finger drive and jumper positioning.
  • the display mechanism 20 is a roller display mechanism, of which the first display 30 is a first roller, and at least one other display 80 is a second roller. , in particular but not limited to coaxial with the first roll.
  • An advantageous solution cited in the requests CH00849 / 16 , and EP3267266 is to multiply by an integer factor, here a factor of two, the rotation of a star with a greater number of teeth, here a star of ten constituting the driving wheel 4, thanks to a multiplier wheel inserted between this star (of ten) and the roller.
  • the multiplier gear especially by two, requires indexing so that the digits of the units are displayed opposite the digits of the tens.
  • the cog is a multiplier, the greatest precision of this indexing is essential. Again, it is a question of simplifying assembly, any construction with precise angular indexing of the cogs being a difficulty for the watchmaker responsible for assembly, or for adjustment in after-sales service.
  • the second roller when it is coaxial, is arranged to be driven directly or indirectly by the first input wheel 2 or by a second input wheel 22 synchronous in pivoting with the first input wheel 2.
  • the second coaxial roller is arranged to be driven directly by a second input wheel 22 synchronous in pivoting with the first input wheel 2 and having incomplete teeth.
  • the first roller comprises at least one flap 12 with two faces, with two display symbols on either side, pivoting integral with a pinion 13 which is arranged to pivot during its engagement with a toothed sector 14 that comprises a frame 15 of the display mechanism 20.
  • the display mechanism 20 is a date display mechanism
  • the first roller is a unit display roller driven indirectly by a first input wheel 2 which is a wheel of 31 teeth including one tooth. is deleted (30 remaining teeth), or two successive teeth are deleted (29 remaining teeth).
  • the second roller is then a tens roller, driven directly by a second input wheel 22 synchronous in pivoting with the first input wheel 2 and which is a truncated 31-tooth wheel of which only 4 teeth remain in positions 10, 20, 30 and 31.
  • This differential gear directly allows the multiplication by two between the first input and the output, when the second input is fixed.
  • Rotating the second entry rotates the units reel regardless of the ten star, and aligns the units displays with the tens.
  • This rotation is ensured by friction or by locking, so that the latter can only intervene at the time of adjustment by the watchmaker, in the particular embodiment where the gripping means 7 of the friction planet carrier 6 are inside the watch box.
  • the differential gear can advantageously be placed concentrically with the roller of the units, but this embodiment is in no way limiting.
  • the figure 2 shows the kinematic chain.
  • the star 92 integral with the return 91 drives the front wheel 21, and therefore the first input wheel 2, which is arranged to drive the driving wheel set 4, at the level of a ten star 42.
  • This driving wheel unit 4 has a plate 41, here of twenty-five teeth, integral with this star of ten 42, and which meshes with the pinion 52, here with ten teeth, of a satellite 5 of shaft 51, this satellite 5 pivoting relative to the carrier satellite 6.
  • Satellite 5 comprises a board 53, here with 16 teeth, which meshes with the first control wheel 3, which is here the pinion of the first roller 30 and here comprises twenty teeth.
  • the second input wheel 22 is arranged to mesh with a pinion 81 which the shaft 82 of the second roller 80 comprises.
  • the first roller comprises five pivoting flaps 12 bearing on their ten faces the numbers from zero to nine. And, thus, the rotation of 1/5 turn per day is well respected.
  • Friction is released by manipulating the gripping means 7, which are radial elements in the figures.
  • the display mechanism 20 also comprises a roller for indicating the day of the week and comprising one or three pivoting flaps 12.
  • the display mechanism 20 comprises a roller for indicating the month and comprising six pivoting flaps 12.
  • the display mechanism 20 comprises a roller for indicating the leap year.
  • the display mechanism 20 comprises a roller for indicating the moon phase, arranged to be driven by a wheel of 59 teeth.
  • the display mechanism 20 comprises a roller for the day / night indication, arranged to pivot twice a day.
  • the invention makes it possible to rotate a roller with respect to the star of ten, which allows perfect alignment of the figures or symbols appearing on the various rolls, with respect to each other.
  • the friction specific to the invention makes it possible to greatly facilitate the adjustments in calendar watches, for example in the case of an annual calendar.
  • the invention is described here in a particular application where the gripping means 7 are accessible only to the watchmaker, therefore preferably inside the watch case, but it will be understood that these gripping means can also be deported to the outside. outside of the watch case for operation by the user, subject to accompanying them with essential sealing means.
  • An application to a static timepiece, such as a pendulum, does not require very elaborate sealing means, and is easy to achieve with a differential and friction adjustment mechanism according to the invention.
  • This friction mounting of the planet carrier 5 is advantageous because it makes it possible to dispense with the usual prior adjustments, and, in the particular case illustrated by a roller display, it avoids having to index the roller pinion 3 on the roller 30, the wheel of the reduction mobile on its pinion, and the wheel of the star of ten on the star. These three mobiles can therefore be assembled without particular indexing, which represents a significant saving in time and know-how.
  • the invention avoids having to index the mobile during assembly of the rollers, the components are roughly assembled, and the adjustment is made after assembly.
  • the invention is particularly suitable for a perpetual calendar.
  • the invention also relates to a watch 100 comprising at least one such display mechanism 20.

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme de réglage pour un mécanisme d'affichage d'horlogerie comportant au moins une première roue d'entrée agencée pour entraîner directement ou indirectement une première roue de commande pour commander la position d'un premier afficheur que comporte ledit mécanisme d'affichage.The invention relates to an adjustment mechanism for a clockwork display mechanism comprising at least a first input wheel arranged to directly or indirectly drive a first control wheel for controlling the position of a first display that said mechanism comprises. display.

L'invention concerne encore un mécanisme d'affichage comportant au moins un tel mécanisme de réglage.The invention also relates to a display mechanism comprising at least one such adjustment mechanism.

L'invention concerne encore une montre comportant au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising at least one such display mechanism.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie, et, plus particulièrement, des mécanismes d'affichage de complications telles que calendrier, phases de lune, fuseaux horaires, ou similaires.The invention relates to the field of clockwork display mechanisms, and, more particularly, mechanisms for displaying complications such as calendar, moon phases, time zones, or the like.

Arrière-plan de l'inventionBackground of the invention

Le document CH 310559 au nom de la Fabrique d'Horlogerie de Fontainemelon décrit un entraînement indépendant de deux affichages d'un quantième, l'un pour les dizaines, et l'autre pour les unités, pour afficher les 31 jours du mois.The document CH 310559 in the name of the Fabrique d'Horlogerie de Fontainemelon describes an independent drive of two date displays, one for the tens and the other for the units, to display the 31 days of the month.

Les demandes CH00849/16 , et EP3267266 au nom de MONTRES BREGUET SA décrivent des agencements particuliers d'un tel mécanisme d'affichage à rouleau, et leur détail n'est pas repris dans la présente. En particulier l'affichage du quantième se fait sur deux rouleaux, un rouleau simple pour les dizaines, et un rouleau à cinq volets pivotants à deux faces chacun pour les unités, ce qui permet une grande lisibilité de tous les chiffres affichés. On connaît encore le document WO 2013/030268 qui divulgue un mécanisme de réglage pour un affichage horloger comportant un rouage différentiel pour le réglage dudit affichage.Requests CH00849 / 16 , and EP3267266 in the name of MONTRES BREGUET SA describe particular arrangements of such a roller display mechanism, and their detail is not repeated herein. In particular, the date is displayed on two rollers, a single roll for the tens, and a roll with five pivoting flaps with two sides each for the units, which allows great readability of all the numbers displayed. We still know the document WO 2013/030268 which discloses an adjusting mechanism for a watch display comprising a differential gear for adjusting said display.

Résumé de l'inventionSummary of the invention

L'invention se propose de faciliter le réglage de mécanismes d'affichage complexes, ainsi que de simplifier l'assemblage initial en usine.The invention proposes to facilitate the adjustment of complex display mechanisms, as well as to simplify the initial assembly in the factory.

A cet effet, l'invention concerne un mécanisme de réglage pour un mécanisme d'affichage d'horlogerie selon la revendication 1.To this end, the invention relates to an adjustment mechanism for a clock display mechanism according to claim 1.

L'invention concerne encore un mécanisme d'affichage comportant au moins un tel mécanisme de réglage.The invention also relates to a display mechanism comprising at least one such adjustment mechanism.

L'invention concerne encore une montre comportant au moins un tel mécanisme d'affichage.The invention also relates to a watch comprising at least one such 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 vue d'un premier côté, un mécanisme d'affichage à rouleaux comportant un mécanisme de réglage selon l'invention ;
  • la figure 2 représente, de façon schématisée, le mécanisme de la figure 1, en coupe par l'axe d'un satellite d'un différentiel que comporte ce mécanisme de réglage;
  • la figure 3 représente, de façon schématisée, le mécanisme de la figure 1, en vue d'un deuxième côté opposé au premier côté ;
  • la figure 4 représente, de façon schématisée et en élévation, le mécanisme d'affichage à rouleaux de la figure 1;
  • la figure 5 représente, de façon schématisée et en perspective, une partie du mécanisme d'affichage à rouleaux de la figure 1 avec l'entraînement d'une roue d'entrée par un renvoi supplémentaire ;
  • la figure 6 est un schéma-blocs illustrant les fonctions du mécanisme différentiel;
  • la figure 7 représente, de façon schématisée et en vue de face, une montre comportant le mécanisme d'affichage à rouleaux de la figure 1.
Other characteristics and advantages of the invention will become apparent on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 shows, schematically, and in a first side view, a roller display mechanism comprising an adjustment mechanism according to the invention;
  • the figure 2 represents, schematically, the mechanism of figure 1 , in section through the axis of a satellite of a differential that this adjustment mechanism comprises;
  • the figure 3 represents, schematically, the mechanism of figure 1 , in view of a second side opposite the first side;
  • the figure 4 shows, schematically and in elevation, the roller display mechanism of the figure 1 ;
  • the figure 5 shows, schematically and in perspective, part of the roller display mechanism of the figure 1 with the drive of an input wheel by an additional transmission;
  • the figure 6 is a block diagram illustrating the functions of the differential mechanism;
  • the figure 7 represents, schematically and in front view, a watch comprising the roller display mechanism of the figure 1 .

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

L'invention concerne un mécanisme de réglage 10 pour un mécanisme d'affichage 20 d'horlogerie. Ce mécanisme d'affichage 20 comporte au moins une première roue d'entrée 2, qui est agencée pour entraîner directement ou indirectement une première roue de commande 3, pour commander la position d'un premier afficheur 30 que comporte ce mécanisme d'affichage 20.The invention relates to an adjustment mechanism 10 for a clock display mechanism 20. This display mechanism 20 comprises at least a first input wheel 2, which is arranged to directly or indirectly drive a first control wheel 3, to control the position of a first display 30 that this display mechanism 20 comprises. .

Selon l'invention, le mécanisme de réglage 10 comporte un mécanisme à rouage différentiel 50, qui comporte un mobile entraîneur 4 retenu par un sautoir d'afficheur 40. Ce mobile entraîneur 4 est agencé pour être entraîné en pivotement par la première roue d'entrée 2, et est agencé pour entraîner au moins un satellite 5 engrenant avec la première roue de commande 3.According to the invention, the adjustment mechanism 10 comprises a differential gear mechanism 50, which comprises a driving wheel assembly 4 retained by a display jumper 40. This driving wheel assembly 4 is arranged to be driven in pivoting by the first wheel of input 2, and is arranged to drive at least one satellite 5 meshing with the first control wheel 3.

Ce satellite 5 est monté pivotant et excentré par rapport à un porte-satellite 6. Ce porte-satellite 6 forme ressort de friction, et est monté à friction, ou bien par des excroissances 61, qu'il comporte, dans une cavité 62 d'un bâti 15 du mécanisme de réglage 10, ou bien par friction intérieure sur une portée dudit bâti 15. Le mécanisme à rouage différentiel 50 est agencé pour multiplier par un facteur particulier donné, notamment un facteur entier, la rotation entre une des entrées et la sortie du différentiel quand l'autre entrée est fixe. Ce facteur est égal à deux pour la réalisation non limitative illustrée par les figures, pour l'application au rouleau des unités d'un affichage par rouleaux; ce rapport peut être de 1.0 ou de 0.5 si on l'applique par exemple au rouleau des dizaines du même affichage.This satellite 5 is pivotally mounted and eccentric with respect to a planet carrier 6. This planet carrier 6 forms a friction spring, and is mounted in friction, or else by protuberances 61, which it comprises, in a cavity 62 d 'a frame 15 of the adjustment mechanism 10, or else by internal friction on a bearing surface of said frame 15. The differential gear mechanism 50 is arranged to multiply by a given particular factor, in particular an integer factor, the rotation between one of the inputs and the differential output when the other input is fixed. This factor is equal to two for the non-limiting embodiment illustrated by the figures, for the application to the roll of the units of a display by rolls; this ratio can be 1.0 or 0.5 if it is applied for example to the tens roll of the same display.

Et ce porte-satellite 6 comporte des moyens de manipulation 7, qui sont agencés pour permettre à un horloger de libérer la friction pour modifier la position angulaire du satellite 5, position qui influence et détermine la position de la première roue de commande 3 pour son indexation correcte par rapport à au moins un autre afficheur 80 que comporte le mécanisme d'affichage 20. Dans la réalisation non limitative illustrée par les figures, ces moyens de manipulation 7 comportent deux bras manipulables par des brucelles ou autre ; dans une autre réalisation, ils peuvent comporter des trous ou encore des ergots, agencés pour coopérer avec un outillage de forme complémentaire, tel que pince à circlips ou similaire. Ces moyens de manipulation 7 peuvent également servir à la modification de la position angulaire du satellite 5 sans influencer la friction, cette influence n'étant pas nécessaire à la fonction mais apportant un confort d'utilisation.And this planet carrier 6 comprises handling means 7, which are arranged to allow a watchmaker to release the friction to modify the angular position of the planet gear 5, a position which influences and determines the position of the first control wheel 3 for its correct indexing with respect to at least one other display 80 included in the display mechanism 20. In the non-limiting embodiment illustrated by the figures, these handling means 7 comprise two arms that can be handled by tweezers or the like; in another embodiment, they may include holes or even lugs, arranged to cooperate with a tool of complementary shape, such as circlip pliers or the like. These handling means 7 can also be used to modify the angular position of the satellite 5 without influencing the friction, this influence not being necessary for the function but providing comfort of use.

L'invention concerne encore un mécanisme d'affichage 20 comportant au moins un tel mécanisme de réglage 10. Plus particulièrement, le mécanisme d'affichage 20 est un mécanisme d'affichage instantané ou semi-instantané, et comporte au moins un mobile entraîneur 9 comportant au moins un doigt 90 agencé pour entraîner directement ou indirectement la première roue d'entrée 2. La réalisation illustrée concerne un mécanisme d'affichage de quantième. Un tel mécanisme d'affichage, ou encore un affichage de phase de lune, ou de fuseau, ou autre, comporte classiquement au moins une grande roue avec un nombre élevé de dents de petites dimensions : 31, 59, 24 dents, et l'interface avec un doigt de commande ou encore avec un sautoir est généralement imparfait. Ainsi, de façon particulière, la première roue d'entrée 2 est une grande roue comportant au moins 24 dents.The invention also relates to a display mechanism 20 comprising at least one such adjustment mechanism 10. More particularly, the display mechanism 20 is an instantaneous or semi-instantaneous display mechanism, and comprises at least one driving mobile 9. comprising at least one finger 90 arranged to directly or indirectly drive the first input wheel 2. The illustrated embodiment relates to a date display mechanism. Such a display mechanism, or even a moon phase display, or of a time zone, or the like, conventionally comprises at least one large wheel with a high number of small-sized teeth: 31, 59, 24 teeth, and the interface with a control finger or even with a jumper is generally imperfect. Thus, in particular, the first input wheel 2 is a large wheel comprising at least 24 teeth.

Pour améliorer la sécurité d'entraînement, lors de l'entraînement usuel d'une telle roue par un doigt, notamment dans un passage tangentiel, et pour éviter que le doigt entraîne aussi la dent précédente, ou n'entraîne aucune dent, et pour assurer la sécurité de maintien en position de verrouillage d'une telle grande roue par un sautoir, et ainsi éviter la perte d'état lors d'un choc ou d'une accélération du porté, il est avantageux d'effectuer un entraînement et un maintien indirect de la grande roue concernée par un renvoi.To improve driving safety, during the usual driving of such a wheel by a finger, in particular in a tangential passage, and to prevent the finger also driving the previous tooth, or not driving any tooth, and for ensure the safety of maintaining in the locked position of such a large wheel by a jumper, and thus avoid loss of state during an impact or acceleration of the worn, it is advantageous to perform a training and a indirect maintenance of the large wheel concerned by a return.

A cet effet, de façon particulière, le mécanisme d'affichage 20 comporte, entre chaque mobile entraîneur 9 et la première roue d'entrée 2, au moins un renvoi 91 comportant un nombre de dents inférieur ou égal à la moitié du nombre de dents de la première roue d'entrée 2. Chaque doigt 90 est agencé pour coopérer avec le renvoi 91 ou avec une étoile 92 solidaire en pivotement du renvoi 91. Et le mécanisme d'affichage 20 comporte au moins un sautoir d'entrée 93, pour un verrouillage de position en prise uniquement avec le renvoi 91 ou avec une telle étoile 92, et un sautoir de correction 94 également en prise uniquement avec le renvoi 91 ou avec une telle étoile 92, pour la modification de la position.For this purpose, in a particular way, the display mechanism 20 comprises, between each driving mobile 9 and the first input wheel 2, at least one return 91 comprising a number of teeth less than or equal to half the number of teeth. of the first input wheel 2. Each finger 90 is arranged to cooperate with the return 91 or with a star 92 pivotally secured to the return 91. And the display mechanism 20 comprises at least one input jumper 93, for a position locking engaged only with the reference 91 or with such a star 92, and a correction jumper 94 also engaged only with the reference 91 or with such a star 92, for the modification of the position.

Plus particulièrement, au moins un renvoi 91 est solidaire en pivotement d'une étoile 92.More particularly, at least one reference 91 is pivotally attached to a star 92.

Plus particulièrement, le mécanisme d'affichage 20 comporte un premier mobile entraîneur 9 qui est un mobile d'entraînement, et un deuxième mobile entraîneur 9 qui est un mobile de correction.More particularly, the display mechanism 20 comprises a first driving mobile 9 which is a driving mobile, and a second driving mobile 9 which is a correction mobile.

Plus particulièrement, cet au moins un renvoi 91 est agencé pour décaler d'une seule dent, lors de chaque saut de position du renvoi 91, la première roue d'entrée 2, ou une deuxième roue d'entrée 22, ou une roue frontale 21, synchrone en pivotement avec la première roue d'entrée 2.More particularly, this at least one return 91 is arranged to shift by a single tooth, during each position jump of the return 91, the first input wheel 2, or a second input wheel 22, or a front wheel 21, pivotally synchronous with the first input wheel 2.

Plus particulièrement, au moins un renvoi 91 a un axe de pivotement orthogonal à celui de la première roue d'entrée 2 ou d'une deuxième roue d'entrée 22 synchrone en pivotement avec la première roue d'entrée 2.More particularly, at least one transmission 91 has a pivot axis orthogonal to that of the first input wheel 2 or of a second input wheel 22 synchronous in pivoting with the first input wheel 2.

Plus particulièrement, le mécanisme d'affichage 20 comporte une deuxième roue d'entrée 22, ou une roue frontale 21, synchrone en pivotement avec la première roue d'entrée 2, et avec laquelle deuxième roue d'entrée 22 ou laquelle roue frontale 21 comme dans le cas des figures, coopère au moins un renvoi 91.More particularly, the display mechanism 20 comprises a second input wheel 22, or a front wheel 21, pivotally synchronous with the first input wheel 2, and with which second input wheel 22 or which front wheel 21 as in the case of the figures, at least one reference 91 cooperates.

Plus particulièrement, le mécanisme d'affichage 20 comporte un renvoi 91 unique agencé pour coopérer avec chaque mobile entraîneur 9.More particularly, the display mechanism 20 comprises a single reference 91 arranged to cooperate with each driving mobile 9.

L'exemple non limitatif illustré par les figures concerne une première roue d'entrée 2 à 31 dents dont une enlevée, synchrone en pivotement avec une deuxième roue d'entrée 22 synchrone en pivotement avec la première roue d'entrée 2 et qui est une roue de 31 dents tronquée dont ne subsistent que 4 dents en positions 10, 20, 30 et 31, et encore synchrone en pivotement avec une roue de 31 dents frontale 21. Cette roue frontale 21 permet un changement d'axe de rotation, qui est nécessaire pour le mécanisme d'affichage par rouleaux illustré sur les figures, les axes des rouleaux étant parallèles au plan de la platine, et perpendiculaires aux axes des mobiles du mouvement. Le renvoi 91 comporte 12 dents, et coopère avec un doigt de vingt-quatre heures 90, classiquement monté élastiquement sur le mobile entraîneur 9. Le renvoi 91 est ici coaxial et synchrone avec une étoile de douze 92. Le doigt de quantième, entraîné par un mouvement d'horlogerie non représenté, travaille une fois par jour, à minuit, avec l'étoile de douze 92 pour faire un pas de 1/12. Le renvoi supplémentaire 91 entraîne la roue frontale 21 de 31 pour faire un saut de 1/31, selon un rapport d'engrenage 12/31. Comme l'étoile de douze 92 n'a ici que 12 dents, la fonction d'entraînement a des sécurités fortement augmentées par rapport à un entraînement direct classique sur une roue de 31 dents, et le verrouillage par sautoir est amélioré de la même façon. Le renvoi 91 peut être unique avec l'étoile 92, si on utilise une denture de type NIHS, avec des dents pointues permettant à la fois l'entraînement par doigt et le positionnement par sautoir.The non-limiting example illustrated by the figures relates to a first input wheel 2 with 31 teeth, one of which is removed, pivotally synchronous with a second input wheel 22 pivotally synchronous with the first input wheel 2 and which is a wheel of 31 truncated teeth of which only 4 teeth remain in positions 10, 20, 30 and 31, and still pivotally synchronous with a front wheel of 31 teeth 21. This front wheel 21 allows a change of axis of rotation, which is necessary for the display mechanism by rollers illustrated in the figures, the axes of the rollers being parallel to the plane of the plate, and perpendicular to the axes of the moving parts of the movement. The reference 91 has 12 teeth, and cooperates with a twenty-four hour finger 90, conventionally mounted elastically on the driving mobile 9. The return 91 is here coaxial and synchronous with a star of twelve 92. The date finger, driven by a clockwork movement, not shown, works once a day, at midnight, with the star of twelve 92 to take a step of 1/12. The additional return 91 drives the front wheel 21 of 31 to make a jump of 1/31, in a gear ratio of 12/31. As the star of twelve 92 has only 12 teeth here, the drive function has greatly increased safety compared to a conventional direct drive on a 31-tooth wheel, and the locking by jumper is improved in the same way. . The gear 91 can be unique with the star 92, if NIHS type teeth are used, with pointed teeth allowing both finger drive and jumper positioning.

Dans une application particulière de l'invention, illustrée par les figures, le mécanisme d'affichage 20 est un mécanisme d'affichage à rouleau, dont le premier afficheur 30 est un premier rouleau, et au moins un autre afficheur 80 est un deuxième rouleau, notamment mais non limitativement coaxial au premier rouleau.In a particular application of the invention, illustrated by the figures, the display mechanism 20 is a roller display mechanism, of which the first display 30 is a first roller, and at least one other display 80 is a second roller. , in particular but not limited to coaxial with the first roll.

Les demandes CH00849/16 , EP16177872 , et EP17175547 du même déposant décrivent des agencements particuliers d'un tel mécanisme d'affichage à rouleau, et leur détail n'est pas repris dans la présente. En particulier l'affichage du quantième se fait sur deux rouleaux, un rouleau simple pour les dizaines, et un rouleau à cinq volets pivotants à deux faces chacun pour les unités, ce qui permet une grande lisibilité de tous les chiffres affichés. L'affichage des unités se fait sur deux tours de rouleau, en comparaison avec l'affichage du disque des unités de CH310559 qui ne fait qu'un tour. La solution consistant à entraîner une étoile de cinq n'est géométriquement pas optimale, en particulier pour le passage de la au moins une dent manquante qui gère le passage 31-01. Une solution avantageuse citée dans les demandes CH00849/16 , et EP3267266 est de multiplier par un facteur entier, ici un facteur deux, la rotation d'une étoile avec un nombre de dents supérieur, ici une étoile de dix constituant le mobile entraîneur 4, grâce à un mobile multiplicateur intercalé entre cette étoile (de dix) et le rouleau.Requests CH00849 / 16 , EP16177872 , and EP17175547 by the same applicant describe particular arrangements of such a roller display mechanism, and their detail is not repeated herein. In particular, the date is displayed on two rollers, a single roll for the tens, and a roll with five pivoting flaps with two sides each for the units, which allows great readability of all the numbers displayed. The display of the units is done on two turns of the roller, in comparison with the display of the disc of the CH310559 which only makes one turn. The solution of driving a star of five is geometrically not optimal, especially for the passage of at least a missing tooth that manages passage 31-01. An advantageous solution cited in the requests CH00849 / 16 , and EP3267266 is to multiply by an integer factor, here a factor of two, the rotation of a star with a greater number of teeth, here a star of ten constituting the driving wheel 4, thanks to a multiplier wheel inserted between this star (of ten) and the roller.

Le rouage multiplicateur, notamment par deux, demande une indexation pour que les chiffres des unités soient affichés face aux chiffres des dizaines. Comme le rouage est multiplicateur, la plus grande précision de cette indexation s'impose. Il s'agit, encore, de simplifier l'assemblage, toute construction avec des indexages angulaires précis de rouages étant une difficulté pour l'horloger chargé de l'assemblage, ou du réglage en service après-vente.The multiplier gear, especially by two, requires indexing so that the digits of the units are displayed opposite the digits of the tens. As the cog is a multiplier, the greatest precision of this indexing is essential. Again, it is a question of simplifying assembly, any construction with precise angular indexing of the cogs being a difficulty for the watchmaker responsible for assembly, or for adjustment in after-sales service.

Plus particulièrement, le deuxième rouleau, quand il est coaxial, est agencé pour être entraîné directement ou indirectement par la première roue d'entrée 2 ou par une deuxième roue d'entrée 22 synchrone en pivotement avec la première roue d'entrée 2.More particularly, the second roller, when it is coaxial, is arranged to be driven directly or indirectly by the first input wheel 2 or by a second input wheel 22 synchronous in pivoting with the first input wheel 2.

Plus particulièrement, le deuxième rouleau coaxial est agencé pour être entraîné directement par une deuxième roue d'entrée 22 synchrone en pivotement avec la première roue d'entrée 2 et comportant une denture incomplète.More particularly, the second coaxial roller is arranged to be driven directly by a second input wheel 22 synchronous in pivoting with the first input wheel 2 and having incomplete teeth.

Plus particulièrement, le premier rouleau comporte au moins un volet 12 à deux faces, avec deux symboles d'affichage de part et d'autre, pivotant solidaire d'un pignon 13 qui est agencé pour pivoter lors de son engrènement avec un secteur denté 14 que comporte un bâti 15 du mécanisme d'affichage 20.More particularly, the first roller comprises at least one flap 12 with two faces, with two display symbols on either side, pivoting integral with a pinion 13 which is arranged to pivot during its engagement with a toothed sector 14 that comprises a frame 15 of the display mechanism 20.

Plus particulièrement, le mécanisme d'affichage 20 est un mécanisme d'affichage de quantième, et le premier rouleau est un rouleau d'affichage des unités entraîné indirectement par une première roue d'entrée 2 qui est une roue de 31 dents dont une dent est supprimée (30 dents restantes), ou dont deux dents successives sont supprimées (29 dents restantes). Le deuxième rouleau est alors un rouleau des dizaines, entraîné directement par une deuxième roue d'entrée 22 synchrone en pivotement avec la première roue d'entrée 2 et qui est une roue de 31 dents tronquée dont ne subsistent que 4 dents en positions 10, 20, 30 et 31.More particularly, the display mechanism 20 is a date display mechanism, and the first roller is a unit display roller driven indirectly by a first input wheel 2 which is a wheel of 31 teeth including one tooth. is deleted (30 remaining teeth), or two successive teeth are deleted (29 remaining teeth). The second roller is then a tens roller, driven directly by a second input wheel 22 synchronous in pivoting with the first input wheel 2 and which is a truncated 31-tooth wheel of which only 4 teeth remain in positions 10, 20, 30 and 31.

Le mécanisme à rouage différentiel 50 est schématisé sur la figure 6 :

  • A : différentiel d'indexation et de multiplication (ici par un facteur deux) ;
  • B : entraînement des unités, étoile de dix, 1/10 tour par jour ;
  • C : affichage des unités ;
  • D : indexation des unités, sur la friction.
The differential gear mechanism 50 is shown schematically on the figure 6 :
  • A: indexation and multiplication differential (here by a factor of two);
  • B: unit training, star of ten, 1/10 turn per day;
  • C: display of units;
  • D: indexing of units, on friction.

Ce rouage différentiel permet directement la multiplication par deux entre la première entrée et la sortie, quand la deuxième entrée est fixe.This differential gear directly allows the multiplication by two between the first input and the output, when the second input is fixed.

Une rotation sur la deuxième entrée permet de tourner le rouleau des unités indépendamment de l'étoile de dix, et d'aligner les affichages d'unités sur celui des dizaines.Rotating the second entry rotates the units reel regardless of the ten star, and aligns the units displays with the tens.

Cette rotation est assurée par la friction ou par un verrouillage, afin que celle-ci ne puisse intervenir qu'au moment du réglage par l'horloger, dans le mode de réalisation particulier où les moyens de préhension 7 du porte-satellite 6 à friction sont à l'intérieur de la boîte de montre.This rotation is ensured by friction or by locking, so that the latter can only intervene at the time of adjustment by the watchmaker, in the particular embodiment where the gripping means 7 of the friction planet carrier 6 are inside the watch box.

Le rouage différentiel peut avantageusement être placé concentriquement au rouleau des unités, mais cette réalisation n'est nullement limitative.The differential gear can advantageously be placed concentrically with the roller of the units, but this embodiment is in no way limiting.

La figure 2 montre la chaîne cinématique. L'étoile 92 solidaire du renvoi 91 entraîne la roue frontale 21, et donc la première roue d'entrée 2, qui est agencée pour entraîner le mobile entraîneur 4, au niveau d'une étoile de dix 42. Ce mobile entraîneur 4 comporte une planche 41, ici de vingt-cinq dents, solidaire de cette étoile de dix 42, et qui engrène avec le pignon 52, ici à dix dents, d'un satellite 5 d'arbre 51, ce satellite 5 pivotant par rapport au porte-satellite 6. Le satellite 5 comporte une planche 53, ici de 16 dents, qui engrène avec la première roue de commande 3, qui est ici le pignon du premier rouleau 30 et comporte ici vingt dents. La deuxième roue d'entrée 22 est agencée pour engrener avec un pignon 81 que comporte l'arbre 82 du deuxième rouleau 80.The figure 2 shows the kinematic chain. The star 92 integral with the return 91 drives the front wheel 21, and therefore the first input wheel 2, which is arranged to drive the driving wheel set 4, at the level of a ten star 42. This driving wheel unit 4 has a plate 41, here of twenty-five teeth, integral with this star of ten 42, and which meshes with the pinion 52, here with ten teeth, of a satellite 5 of shaft 51, this satellite 5 pivoting relative to the carrier satellite 6. Satellite 5 comprises a board 53, here with 16 teeth, which meshes with the first control wheel 3, which is here the pinion of the first roller 30 and here comprises twenty teeth. The second input wheel 22 is arranged to mesh with a pinion 81 which the shaft 82 of the second roller 80 comprises.

Lorsque l'axe du satellite 5 est immobilisé en position par la friction (fonctionnement normal au saut de quantième), la rotation NR du premier rouleau 30, est, en fonction de la rotation NE du mobile entraîneur 4 (étoile de dix), égale, dans cet exemple particulier et non limitatif, à : NR = NE ∗ 25/10 ∗ 16/20 = 2 ∗ 0.1 = 0.2.When the axis of the satellite 5 is immobilized in position by the friction (normal operation at the date jump), the rotation NR of the first roller 30, is, as a function of the rotation NE of the driving wheel set 4 (star of ten), equal , in this particular and non-limiting example, to: NR = NE ∗ 25/10 ∗ 16/20 = 2 ∗ 0.1 = 0.2.

Plus particulièrement, le premier rouleau comporte cinq volets 12 pivotants portant sur leurs dix faces les chiffres de zéro à neuf. Et, ainsi, la rotation de 1/5 tour par jour est bien respectée.More particularly, the first roller comprises five pivoting flaps 12 bearing on their ten faces the numbers from zero to nine. And, thus, the rotation of 1/5 turn per day is well respected.

Lorsque le mobile entraîneur 4 (étoile de dix) est immobilisé par son sautoir 40, c'est-à-dire dans le fonctionnement normal entre minuit et 23 heures 30, un des éléments du calcul différentiel passe à zéro, et la rotation NR se calcule en fonction de la manipulation de la friction par l'horloger NF (= 38°) : NR = NF ∗ 20 ∗ 10/(20∗10 - 16∗25)= - 38°.When the mobile trainer 4 (star of ten) is immobilized by its jumper 40, that is to say in normal operation between midnight and 11:30 p.m., one of the elements of the differential calculation goes to zero, and the NR rotation is calculates according to the handling of the friction by the watchmaker NF (= 38 °): NR = NF ∗ 20 ∗ 10 / (20 ∗ 10 - 16 ∗ 25) = - 38 °.

La rotation de 38° (+/- 19°) est bien respectée, et est correcte et suffisante pour permettre une indexation quel que soit l'assemblage : une dent de la première roue de commande 3 correspondant à 360°/20= 18°..The rotation of 38 ° (+/- 19 °) is well respected, and is correct and sufficient to allow an indexation whatever the assembly: one tooth of the first control wheel 3 corresponding to 360 ° / 20 = 18 ° ..

La friction est libérée en manipulant les moyens de préhension 7, qui sont des éléments radiaux sur les figures.Friction is released by manipulating the gripping means 7, which are radial elements in the figures.

Plus particulièrement, le mécanisme d'affichage 20 comporte encore un rouleau pour l'indication du jour de la semaine et comportant un ou trois volets 12 pivotants.More particularly, the display mechanism 20 also comprises a roller for indicating the day of the week and comprising one or three pivoting flaps 12.

Plus particulièrement, le mécanisme d'affichage 20 comporte un rouleau pour l'indication du mois et comportant six volets 12 pivotants.More particularly, the display mechanism 20 comprises a roller for indicating the month and comprising six pivoting flaps 12.

Plus particulièrement, le mécanisme d'affichage 20 comporte un rouleau pour l'indication de l'année bissextile.More particularly, the display mechanism 20 comprises a roller for indicating the leap year.

Plus particulièrement, le mécanisme d'affichage 20 comporte un rouleau pour l'indication de la phase de lune, agencé pour être entraîné par une roue de 59 dents.More particularly, the display mechanism 20 comprises a roller for indicating the moon phase, arranged to be driven by a wheel of 59 teeth.

Plus particulièrement, le mécanisme d'affichage 20 comporte un rouleau pour l'indication de jour/nuit, agencé pour pivoter deux fois par jour.More particularly, the display mechanism 20 comprises a roller for the day / night indication, arranged to pivot twice a day.

En somme l'invention, telle qu'illustrée, permet de faire tourner un rouleau par rapport à l'étoile de dix, ce qui permet un alignement parfait des chiffres ou symboles figurant sur les différents rouleaux, les uns par rapport aux autres.In short, the invention, as illustrated, makes it possible to rotate a roller with respect to the star of ten, which allows perfect alignment of the figures or symbols appearing on the various rolls, with respect to each other.

Dans son application à un affichage traditionnel à plat, la friction propre à l'invention permet de faciliter grandement les ajustements dans les montres à calendrier, par exemple dans le cas d'un quantième annuel.In its application to a traditional flat display, the friction specific to the invention makes it possible to greatly facilitate the adjustments in calendar watches, for example in the case of an annual calendar.

L'invention est décrite ici dans une application particulière ou les moyens de préhension 7 sont accessibles au seul horloger, donc de préférence à l'intérieur de la boîte de montre, mais on comprend bien que ces moyens de préhension peuvent aussi être déportés à l'extérieur de la boîte de montre pour une manœuvre par l'utilisateur, sous réserve de les accompagner des moyens d'étanchéité indispensables. Une application à une pièce d'horlogerie statique, telle qu'une pendule, ne nécessite pas de moyens d'étanchéité très élaborés, et est facile à réaliser avec un mécanisme de réglage à différentiel et friction selon l'invention.The invention is described here in a particular application where the gripping means 7 are accessible only to the watchmaker, therefore preferably inside the watch case, but it will be understood that these gripping means can also be deported to the outside. outside of the watch case for operation by the user, subject to accompanying them with essential sealing means. An application to a static timepiece, such as a pendulum, does not require very elaborate sealing means, and is easy to achieve with a differential and friction adjustment mechanism according to the invention.

Ce montage à friction du porte-satellite 5 est avantageux, car il permet de se dispenser des réglages préalables usuels, et, dans le cas particulier illustré d'un affichage à rouleau, il évite de devoir indexer le pignon de rouleau 3 sur le rouleau 30, la roue du mobile de réduction sur son pignon, et la roue de l'étoile de dix sur l'étoile. Ces trois mobiles peuvent donc être assemblés sans indexation particulière, ce qui représente une économie importante en temps et en savoir-faire. L'invention évite de devoir indexer le mobile lors de l'assemblage des rouleaux, les composants sont assemblés approximativement, et le réglage se fait après assemblage.This friction mounting of the planet carrier 5 is advantageous because it makes it possible to dispense with the usual prior adjustments, and, in the particular case illustrated by a roller display, it avoids having to index the roller pinion 3 on the roller 30, the wheel of the reduction mobile on its pinion, and the wheel of the star of ten on the star. These three mobiles can therefore be assembled without particular indexing, which represents a significant saving in time and know-how. The invention avoids having to index the mobile during assembly of the rollers, the components are roughly assembled, and the adjustment is made after assembly.

L'invention est particulièrement appropriée pour un quantième perpétuel.The invention is particularly suitable for a perpetual calendar.

L'invention concerne encore une montre 100 comportant au moins un tel mécanisme d'affichage 20.The invention also relates to a watch 100 comprising at least one such display mechanism 20.

Claims (20)

  1. Adjustment mechanism (10) for a timepiece display mechanism (20) including at least a first input wheel (2) arranged to drive, directly or indirectly, a first control wheel (3) for controlling the position of a first display member (30) included in said display mechanism (20), said adjustment mechanism (10) including a differential gear train mechanism (50) which includes a drive mobile component (4) retained by a display jumper (40) and is arranged to be pivoted by said first input wheel (2), and arranged to drive at least one planetary wheel (5) meshing with said first control wheel (3) and mounted pivotally and off-centre with respect to a planetary wheel holder (6) characterised in that said planetary wheel holder (6) is friction-mounted, either inside a cavity (62) of a frame (15) of said adjustment mechanism (10), or by internal friction on a shoulder of said frame (15), said differential gear train mechanism (50) being arranged to multiply by a particular factor the rotation between one of the inputs and the output of said differential mechanism when the other input is stationary, and in that said planetary wheel holder (6) includes manipulating means (7) arranged to allow a watch technician to release said friction to change the angular position of said planetary wheel (5), which determines the position of said first control wheel (3) for the correct indexing thereof with respect to at least one other display member (80) included in said display mechanism (20).
  2. Display mechanism (20) including at least one adjustment mechanism (10) according to claim 1, characterised in that said display mechanism (20) is an instantaneous or semi-instantaneous display mechanism, in that said first input wheel (2) is a large wheel including at least 24 teeth, and in that said display mechanism (20) includes at least one drive mobile component (9) including at least one finger (90) arranged to drive, directly or indirectly, said first input wheel (2), and in that said display mechanism (20) includes, between each said drive mobile component (9) and said first input wheel (2), at least one intermediate wheel (91) including a number of teeth less than or equal to half the number of teeth of said first input wheel (2), in that each said finger (90) is arranged to cooperate with said intermediate wheel (91) or with a star (92) pivoting integrally with said intermediate wheel (91), and in that said display mechanism (20) includes at least one input jumper (93), for a locked position in mesh only with said intermediate wheel (91) or with a said star (92), and a correction jumper (94) also in mesh only with said intermediate wheel (91) or with a said star (92), for the change of said position.
  3. Display mechanism (20) according to claim 2, characterised in that at least one said intermediate wheel (91) pivots integrally with a said star (92).
  4. Display mechanism (20) according to claim 2 or 3, characterised in that said display mechanism (20) includes one said drive mobile component (9) which is a drive mobile component and one said drive mobile component (9) which is a correction mobile component.
  5. Display mechanism (20) according to claim 2 to 4, characterised in that, on each jump in position of said intermediate wheel (91), said at least one intermediate wheel (91) is arranged to shift by only one tooth said first input wheel (2) or a second input wheel (22) pivoting synchronously with said first input wheel (2).
  6. Display mechanism (20) according to claim 2 to 6, characterised in that at least one said intermediate wheel (91) has a pivot axis orthogonal to that of said first input wheel (2) or of a second input wheel (22) pivoting synchronously with said first input wheel (2).
  7. Display mechanism (20) according to claim 5 or 6, characterised in that said display mechanism (20) includes a said second input wheel (22) or a front wheel (21) pivoting synchronously with said first input wheel (2), and said second input wheel (22) or front wheel (21) cooperates with at least one said intermediate wheel (91).
  8. Display mechanism (20) according to claim 2 to 7, characterised in that said display mechanism (20) includes only one said intermediate wheel (91) arranged to cooperate with each said drive mobile component (9).
  9. Display mechanism (20) including an adjustment mechanism (10) according to one of claims 2 to 8, characterised in that said display mechanism (20) is a roller display mechanism, wherein said first display member (30) is a first roller, and in that at least one said other display member (80) is a second roller coaxial to said first roller.
  10. Display mechanism (20) according to claim 9, characterised in that said second coaxial roller is arranged to be driven, directly or indirectly by said first input wheel (2) or by a second input wheel (22) pivoting synchronously with said first input wheel (2).
  11. Display mechanism (20) according to claim 10, characterised in that said second coaxial roller is arranged to be driven, directly or indirectly, by a second input wheel (22) pivoting synchronously with said first input wheel (2) and including an incomplete toothing.
  12. Display mechanism (20) according to one of claims 9 to 11, characterised in that said first roller includes at least one flap (12) having two faces, with two display symbols on either side, pivoting integrally with a pinion (13) arranged to pivot when meshing with a toothed sector (14) included in a frame (15) of said display mechanism (20).
  13. Display mechanism (20) according to one of claims 9 to 12, characterised in that said display mechanism (20) is a date display mechanism, in that said first roller is a units display roller driven indirectly by a said first input wheel (2), which is a 31-tooth wheel from which one tooth is removed, or from which two consecutive teeth are removed, and in that said second roller is a tens roller, driven directly by a second input wheel (22) pivoting synchronously with said first input wheel (2) and which is a truncated 31-tooth wheel with only 4 teeth remaining in positions 10, 20, 30 and 31.
  14. Display mechanism (20) according to claim 12 and 13, characterised in that said first roller includes five said pivoting flaps (12) bearing on the ten faces thereof the numerals from zero to nine.
  15. Display mechanism (20) according to claim 12 and claim 13 or 14, characterised in that said display mechanism (20) includes a roller for indicating the days of the week and including one or three said pivoting flaps (12).
  16. Display mechanism (20) according to claim 12 and one of claims 13 to 15, characterised in that said display mechanism (20) includes a roller for indicating the months and including six said pivoting flaps (12).
  17. Display mechanism (20) according to claim 9 to 16, characterised in that said display mechanism (20) includes a roller for indicating the leap year.
  18. Display mechanism (20) according to one of claims 9 to 17, characterised in that said display mechanism (20) includes a roller for indicating the moon phase, arranged to be driven by a wheel with 59 teeth.
  19. Display mechanism (20) according to one of claims 9 to 18, characterised in that said display mechanism (20) includes a roller for indicating the day/night, arranged to pivot twice per day.
  20. Watch (100) including at least one display mechanism (20) according to one of claims 2 to 19.
EP18178318.4A 2018-06-18 2018-06-18 Setting mechanism for watch display mechanism comprising a rotating drum. Active EP3584642B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH00769/18A CH715107B1 (en) 2018-06-18 2018-06-18 Adjusting mechanism for roller clock display mechanism.
EP18178318.4A EP3584642B1 (en) 2018-06-18 2018-06-18 Setting mechanism for watch display mechanism comprising a rotating drum.
US16/405,173 US11543778B2 (en) 2018-06-18 2019-05-07 Adjustment mechanism for timepiece display mechanism with rollers
JP2019100955A JP6818085B2 (en) 2018-06-18 2019-05-30 Adjustment mechanism for timekeeper display mechanism with tumbler
CN201910521286.0A CN110618598B (en) 2018-06-18 2019-06-17 Adjusting mechanism for a timepiece display mechanism with a roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18178318.4A EP3584642B1 (en) 2018-06-18 2018-06-18 Setting mechanism for watch display mechanism comprising a rotating drum.

Publications (2)

Publication Number Publication Date
EP3584642A1 EP3584642A1 (en) 2019-12-25
EP3584642B1 true EP3584642B1 (en) 2021-01-13

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EP18178318.4A Active EP3584642B1 (en) 2018-06-18 2018-06-18 Setting mechanism for watch display mechanism comprising a rotating drum.

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US (1) US11543778B2 (en)
EP (1) EP3584642B1 (en)
JP (1) JP6818085B2 (en)
CN (1) CN110618598B (en)
CH (1) CH715107B1 (en)

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EP3584642B1 (en) * 2018-06-18 2021-01-13 Montres Breguet S.A. Setting mechanism for watch display mechanism comprising a rotating drum.
EP3667434B1 (en) * 2018-12-10 2021-08-04 Montres Breguet S.A. Large date mechanism and timepiece comprising such a mechanism

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CN110618598B (en) 2021-02-19
US11543778B2 (en) 2023-01-03
CH715107B1 (en) 2021-12-30
CN110618598A (en) 2019-12-27
JP6818085B2 (en) 2021-01-20
EP3584642A1 (en) 2019-12-25
US20190384226A1 (en) 2019-12-19
CH715107A2 (en) 2019-12-30
JP2019219387A (en) 2019-12-26

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